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Nichia Corporation patents


Recent patent applications related to Nichia Corporation. Nichia Corporation is listed as an Agent/Assignee. Note: Nichia Corporation may have other listings under different names/spellings. We're not affiliated with Nichia Corporation, we're just tracking patents.

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Nitride semiconductor element and manufacturing the same

A nitride semiconductor element includes a sapphire substrate including: a main surface extending in a c-plane of the sapphire substrate, and a plurality of projections disposed at the main surface, the plurality of projections including at least one projection having an elongated shape in a plan view; and a nitride... Nichia Corporation

Light emitting element with light transmissive substrate having recess in cross-sectional plane

A light-emitting element includes a light transmissive substrate, a semiconductor layered body, and first and second light reflecting members. The semiconductor layered body is formed on a first main surface of the light transmissive substrate. The first light reflecting member covers a first lateral surface, a second lateral surface, a... Nichia Corporation

Aluminate fluorescent material and light emitting device

Provided is an aluminate fluorescent material having a composition represented by the formula X1aMgbMncAldOa+b+c+1.5d, in which X1 is at least one element selected from the group consisting of Ba, Sr; and Ca, a, b, c, and d satisfy 0.5≦a≦1.0, 0.0≦b<0.4, 0.3≦c≦0.7, 8.5≦d≦13.0, and 9.0≦b+c+d≦14.0.... Nichia Corporation

Method for manufacturing light emitting device

A method of manufacturing a light emitting device includes: preparing a light-transmissive member including a light reflective sheet that has a through-hole, and a color conversion material layer that is composed of a light-transmissive resin containing a color conversion material and disposed in the through-hole, preparing a light emitting element,... Nichia Corporation

Composite substrate and light emitting device

The composite substrate includes: a lead frame including one or more pairs of support leads, each of the one or more pairs of support leads including a first support lead and a second support lead; and one or more packages supported by first and second support leads and including a... Nichia Corporation

Light-emitting device and manufacturing light-emitting device

A light-emitting device includes a light-emitting element, a phosphor layer, a reflective film, and a light-transmissive member. The light emitting element emits first light. The phosphor layer is provided on a light-emitting surface of the light-emitting element, and contains a phosphor being excited by the first light to emit second... Nichia Corporation

Light emitting device

A light emitting device includes a substrate, a light emitting element, a light reflecting resin member, a sealing member, an electrically conductive wiring and a lens member. The light reflecting resin member surrounds the light emitting element. The sealing member is disposed in a region surrounded by the light reflecting... Nichia Corporation

Light emitting device

A light emitting device including a substrate and a conductive member array including a plurality of conductive members arranged on an upper surface of the substrate in a first direction. Each of the plurality of conductive members including a wire-connected portion, one or more coupling portions connected to the wire-connected... Nichia Corporation

Light emitting device

A light emitting device includes a resin package and a light emitting element. The resin package includes a first lead, a second lead, and a molded body molded integrally with the first lead and the second lead. The light emitting element is provided on the resin package.... Nichia Corporation

Light-emitting device

A light emitting device includes a light emitting element, a first light transmissive member, a second light transmissive member, and a light reflective member. The first light transmissive member contains a first phosphor. The first light transmissive member is in contact with an upper surface of the light emitting element,... Nichia Corporation

Light emitting device and display device

A light emitting device includes a first light emitting element, a second light emitting element, a third light emitting element, a fluorescent material, a film, a first lens, a second lens, and a third lens. The first light emitting element is to emit a first light having a peak wavelength... Nichia Corporation

Method of forming nanorods and manufacturing semiconductor element

A method of forming semiconductor nanorods includes: placing, in a chamber, a masking material and a base comprising a semiconductor, wherein an etching rate of the masking material in a chemical reaction with a reactant gas during dry etching is lower than an etching rate of a semiconductor in a... Nichia Corporation

Light emitting device and the manufacturing same

A light emitting device includes a light emitting element to emit a first light having a first peak wavelength. A second wavelength converting member contains a second phosphor to convert the first light into a third light having a third peak wavelength longer than the first peak wavelength and shorter... Nichia Corporation

Method of manufacturing light emitting device

A method of manufacturing a light emitting device, includes mounting, on a support substrate, an element set that includes a plurality of light emitting elements on an element substrate. A light reflecting member is provided between the element set and the support substrate. The element substrate is removed from the... Nichia Corporation

Light-emitting device

A light-emitting device includes a light-emitting element that includes a layered structure including a semiconductor layer and a pair of electrodes on a first main surface of the layered structure, a light-transmissive member on a second main surface of the layered structure, the second main surface being opposite to the... Nichia Corporation

Light emitting device

A light emitting device includes a substrate, a light emitting element, a sealing member, a light transmissive member and a heat dissipation terminal. The substrate includes an insulating base material which has a concave portion with an inner curved surface. The sealing member is in contact with at least a... Nichia Corporation

Method for manufacturing wavelength conversion member having depressed portion and light-emitting device including the same

A wavelength conversion member manufacturing method includes providing a wavelength conversion member having an upper surface, and forming, in the wavelength conversion member, at least one depressed portion having an inclined surface inclined with respect to the upper surface by irradiating the wavelength conversion member with a pulsed laser beam... Nichia Corporation

Light emitting device

A light emitting device includes a mounting board on which a plurality of light sources are disposed; a partitioning member surrounding the light sources and including a plurality of walls that include top parts and form a plurality of areas; a diffuser sheet that is provided above the partitioning member... Nichia Corporation

Method of determining chromaticity rank of light emitting device

A method of determining a chromaticity rank of a light emitting device includes selecting the light emitting device having a chromaticity rank in a region surrounded by four defining points on a 1931 CIE Chromaticity Diagram. A ratio of a distance in a y-direction between, of the four defining points,... Nichia Corporation

Semiconductor device, base, and manufacturing same

A semiconductor device includes a base and a semiconductor element disposed on the base. The base includes: a base member, a reflective film located above the base member, the reflective film containing silver as a major component and containing particles formed of at least one material selected from the group... Nichia Corporation

Light emitting element and light emitting element array

A light emitting element includes a semiconductor including an active layer, and a planar shape of the light emitting elements including a concave polygon. The planar shape of the concave polygon has interior angles including at least one acute angle.... Nichia Corporation

Light emitting device and manufacturing the same, and display device

A light emitting device includes a light emitting element, a light-transmissive member covering the light emitting element, a fluorescent material contained in the light-transmissive member, and a multilayer film disposed on the light-transmissive member and including alternatively layered two types of films of different refractive indices, in which the two... Nichia Corporation

Light emitting device

There is presented a light emitting device, having plural light emitting elements disposed on a substrate, in which a protection element, such as a zener diode, can be disposed at an appropriate position. The light emitting device includes: a substrate; a light emitting section having plural light emitting elements disposed... Nichia Corporation

Light emitting device

A light emitting device includes a light emitting element, a frame, a first light-transmissive member, and a second light-transmissive member. The light emitting element includes an element upper surface from which a light is configured to be emitted, an element bottom surface opposite to the element upper surface, and an... Nichia Corporation

Method for producing conductive material, conductive material obtained by the method, electronic device containing the conductive material, light-emitting device, and producing light-emitting device

An object of the present invention is to provide a method for producing a conductive material that allows a low electric resistance to be generated, and that is obtained by using an inexpensive and stable conductive material composition containing no adhesive. The conductive material can be provided by a producing... Nichia Corporation

Light emitting device and plant cultivation method

Provided is a light emitting device that includes a light emitting element having a light emission peak wavelength ranging from 380 nm to 490 nm, and a fluorescent material excited by light from the light emitting element and emitting light having at a light emission peak wavelength ranging from 580... Nichia Corporation

Method of producing nitride fluorescent material

A method of producing a nitride fluorescent material having relatively high light emission intensity is provided. The method of producing a nitride fluorescent material includes preparing a calcined product having a composition containing at least one first element selected from the group consisting of Ba, Sr, Ca, and Mg, at... Nichia Corporation

Led module

An LED module includes a mounting board and LED devices. The LED devices include at least one first LED device and second LED devices each including a light emitting diode element, a reflective member disposed lateral to the light emitting diode element, and a light transmissive member disposed above the... Nichia Corporation

Light source device

A light source device includes a substrate having a principal surface, a light-transmitting member arranged over the principal surface of the substrate, and a laser light source arranged on the principal surface of the substrate at a portion in the bottom recess. The light-transmitting member has a lower surface that... Nichia Corporation

Light-emitting device and backlight

A light-emitting device includes a package having a recessed portion defined by a bottom surface and lateral walls surrounding the bottom surface, first and second light-emitting elements aligned in the longitudinal direction on the bottom surface, and a wavelength conversion member in the recessed portion, the wavelength conversion member converting... Nichia Corporation

Light emitting device and light source

A light emitting device includes at least one light emitting element to emit a first light having a first peak emission wavelength in a range of 420 nm to 480 nm and at least one fluorescent material to convert the first light to a second light having a second fluorescent... Nichia Corporation

Method for manufacturing light-emitting device

A method for manufacturing a light-emitting device includes: providing first and second substrates each including a plurality of packages, the packages each having a recess and a light-emitting element mounted in the recess; performing potting by supplying a resin member containing particles of a fluorescent material into the recess of... Nichia Corporation

Light emitting device

A light emitting device includes a flexible substrate, at least one light emitting element, a sealing resin, an adhesion layer and a support member. The flexible substrate includes a flexible base member and a plurality of wiring portions disposed on one surface of the base member. At least one light... Nichia Corporation

Light emitting device and manufacturing the light emitting device

A method of manufacturing a light emitting device includes: providing a substantially flat plate-shaped base member which in plan view includes at least one first portion having an upper surface, and a second portion surrounding the at least one first portion and having inner lateral surfaces; mounting at least one... Nichia Corporation

Optical-semiconductor device and manufacturing the same

A method for manufacturing an optical-semiconductor device, including forming a plurality of first and second electrically conductive members that are disposed separately from each other on a support substrate; providing a base member formed from a light blocking resin between the first and second electrically conductive members; mounting an optical-semiconductor... Nichia Corporation

01/04/18 / #20180006430

Optical component and its manufacture, and light emitting device and its mehtod of manufacture

An optical component includes a support member having a through-hole, a second light-transmissive member disposed inside the through-hole, and having a light incidence face, a light emission face, and an outer peripheral side surface, and at least one functional film selected from a group consisting of a short pass filter,... Nichia Corporation

12/28/17 / #20170369751

Curable resin composition, producing curable resin composition, and measuring surface tackiness of viscoelastic material

Provided is a curable resin composition which can be cured to form a material (cured product) that has low tack properties and resists adhesion of garbage. The present invention provides a curable resin composition comprising polysiloxane (A) having not less than 2 alkenyl groups in the molecule and polysiloxane (B)... Nichia Corporation

12/28/17 / #20170373225

Method of manufacturing light emitting device

A light emitting device includes a base member; a light emitting element mounted on the base member; a light-transmissive member that covers an upper surface of the light emitting element, and is substantially rectangular in a plan view; and a light reflecting member that covers a lateral surface of the... Nichia Corporation

12/28/17 / #20170373234

Method of manufacturing semiconductor device

A method of manufacturing at least one semiconductor device includes: providing a substrate having a flat lower surface, and an upper surface that allows mounting of at least one semiconductor element or an upper surface having at least one semiconductor mounted thereon; providing a work table having a support plate... Nichia Corporation

12/28/17 / #20170373309

Positive electrode active material for nonaqueous electrolyte secondary battery and producing the same

wherein the surface layer is obtained by heat-treating the core particles; a raw material compound (1) that is at least one compound selected from the group consisting of boron oxide, an oxo acid of boron, and a salt of an oxo acid of boron; and tungsten oxide (VI).... Nichia Corporation

12/28/17 / #20170373455

Light emitting device

A light emitting device includes a base member, a laser element, a retaining member, a fluorescent member, and first and second fixing members. The retaining member has a first surface on a laser element side and a second surface not on the laser element side. The fluorescent member is fixed... Nichia Corporation

12/21/17 / #20170363269

Light emitting device and wavelength conversion member

A light emitting device includes a laser light, a wavelength conversion member, a base member and a lid. The wavelength conversion member includes a plurality of projected portions each extending along a first direction on an upper surface side thereof and arranged side by side in a second direction. Each... Nichia Corporation

12/21/17 / #20170365738

Light emitting element and light emitting device

A light emitting element includes an n-side semiconductor layer, a p-side semiconductor layer, a plurality of holes, a first p-electrode, a second p-electrode and an n-electrode. The n-side semiconductor layer has a hexagonal shape in plan view. The p-side semiconductor layer has a hexagonal shape in plan view and provided... Nichia Corporation

12/21/17 / #20170365757

Light emitting device

A light emitting device includes a resin package including: a first lead and a second lead, each including a top surface and a bottom surface, and a first resin portion located between the first lead and the second lead and extending in a first direction; a first light emitting element... Nichia Corporation

12/14/17 / #20170355904

Aluminate fluorescent material, light emitting device using the same, and producing aluminate fluorescent material

Provided is an aluminate fluorescent material having a high emission intensity and having a composition containing a first element that contains one or more of Ba and Sr, and a second element that contains Mg and Mn. In the composition, when a molar ratio of Al is 10, a total... Nichia Corporation

12/14/17 / #20170358720

Method of producing light transmissive element and producing light emitting device

A method of producing a light transmissive element includes providing a holding member including an upper surface and a plurality of holes, each of the plurality of holes having at least one inner lateral surface that is a substantially smooth surface and an opening in the upper surface of the... Nichia Corporation

12/14/17 / #20170358724

Light emitting device

A light emitting device includes a mounting board including: a base part, and one or more wiring structures, each of which includes one or more first wiring parts, and one or more second wiring parts, in that order, from a base part side, wherein, in a plan view, an area... Nichia Corporation

12/14/17 / #20170358725

Method of manufacturing wiring board, manufacturing light emitting device using the wiring board, wiring board, and light emitting device using the wiring board

A method of manufacturing a wiring board according to one embodiment of the present disclosure includes: providing at least one first conductive member that serves as part of a wiring; covering the at least one first conductive member with an insulating member that has at least one opening; disposing at... Nichia Corporation

11/30/17 / #20170342321

Method of producing beta-sialon fluorescent material

Provided is a method of producing a β-sialon fluorescent material having a high light emission intensity and an excellent light emission luminance. The method includes preparing a calcined product having a composition of β-sialon containing an activating element; grinding the calcined product to obtain a ground product; and heat-treating the... Nichia Corporation

11/30/17 / #20170342322

Fluorescent material having a composition of rare earth aluminum-gallate

Provided is a fluorescent material having a composition of rare earth aluminum-gallate, which radiates light in not only a visible light region but also a near-infrared region and has improved light emission intensity in a near-infrared region. The fluorescent material has a composition of rare earth aluminum-gallate, including at least... Nichia Corporation

11/30/17 / #20170345974

Light emitting device

A light emitting device includes: a substrate; a light emitting element disposed on the substrate, the light emitting element having an upper surface and a lateral surface; a reflecting layer located on the upper surface of the light emitting element; a first light-transmissive member having a first surface in contact... Nichia Corporation

11/30/17 / #20170345976

Light emitting device

A light emitting device includes a light emitting element having a peak emission wavelength of 410 nm to 440nm and a phosphor member. The phosphor member includes a first phosphor having a peak emission wavelength of 430 nm to 500 nm and containing an alkaline-earth phosphate, a second phosphor having... Nichia Corporation

11/30/17 / #20170345978

Light emitting device and manufacturing the same

A light emitting device including a light emitting element including an element substrate and semiconductor layers formed thereon, an encapsulating member that covers the sides of the light emitting element and forms a cavity at the upper surface of the light emitting element, and a wavelength-conversion layer in the cavity.... Nichia Corporation

11/30/17 / #20170345982

Light-emitting device and manufacturing the same

A light-emitting device includes a package, a light-emitting element disposed on the package, and a light-transmissive member over the light-emitting element. An upper surface of the light-transmissive member and an upper surface of the package each have a plurality of projections. The light-transmissive member contains particles of light-transmissive first fillers... Nichia Corporation

11/30/17 / #20170345984

Light-emitting device

A light-emitting device includes: a semiconductor laser element; a supporting member located above the semiconductor laser element, the supporting member having a through-hole that allows light emitted from the semiconductor laser element to pass therethrough; a fluorescent member located in the through-hole, the fluorescent member containing a fluorescent material that... Nichia Corporation

11/30/17 / #20170345985

Light emitting device

A light emitting device includes an element mounting board including a base, a set of conductive patterns, one or more light emitting elements, and a cover member. The set of conductive patterns includes one or more first conductive layers and one or more second conductive layers made of a different... Nichia Corporation

11/30/17 / #20170345986

Light-emitting device

A light-emitting device includes: a resin package including: a first lead, a second lead, and a resin portion, wherein each of the first lead and the second lead has a top surface and a bottom surface and comprises a metal layer formed at least at the top surfaces; a light-emitting... Nichia Corporation

11/23/17 / #20170338392

Method of manufacturing wiring board, wiring board, and light emitting device using the wiring board

A method of manufacturing a wiring board includes: providing an insulating member that includes a plurality of regions partitioned by partitions provided with openings at each of which adjacent ones of the regions are joined to each other; disposing conductive members respectively in the plurality of regions; and joining adjacent... Nichia Corporation

11/23/17 / #20170338628

Light-emitting device and package for light-emitting device

A light-emitting device includes a base body; light-emitting elements mounted on an upper surface of the base body; a frame body bonded to the upper surface of the base body, the frame body including inner lateral surfaces, outer lateral surfaces, and first through-holes that extend through the frame body in... Nichia Corporation

11/16/17 / #20170328523

Light emitting device

A light emitting device including a transparent board elongated in a first direction and having a first surface and an opposite second surface. Light emitting elements are arranged in the first direction on the first surface side of the board. A transparent bulb houses the board and the elements. A... Nichia Corporation

11/16/17 / #20170331009

Semiconductor element, semiconductor device, and manufacturing semiconductor element

A semiconductor light emitting element is provided. The semiconductor light emitting element has a semiconductor stack, an n-side conductor layer, a p-side conductor layer, a dielectric multilayered film, an n-side reflective layer and a p-side reflective layer, disposed in that order. The n-side and p-side reflective layers contain Ag as... Nichia Corporation

11/09/17 / #20170324013

Light emitting device and adaptive driving beam headlamp system

A light emitting device includes a substrate, a plurality of first wiring members, a plurality of second wiring members and a plurality of light emitting elements. The first wiring members extend in a first direction. The second wiring members extend in a second direction. Each of the second wiring members... Nichia Corporation

11/09/17 / #20170324091

Cathode active material and lithium ion secondary battery comprising the same

where t1 is an element concentration average of insides and grain boundaries of primary particles of a W element, and σ1 is an element concentration standard deviation of the insides and grain boundaries of the primary particles of the W element.... Nichia Corporation

11/09/17 / #20170324092

Method of producing nickel-cobalt composite hydroxide and producing positive electrode active material for non-aqueous electrolyte secondary battery

A method of producing a nickel-cobalt composite hydroxide includes: preparing a first solution containing nickel ions and cobalt ions; preparing a second solution containing tungsten ions and having a pH of 10 or more; preparing a third solution containing a complex ion-forming factor; preparing a liquid medium having a pH... Nichia Corporation

11/02/17 / #20170314764

Light emitting device, light irradiation device including the light emitting device, and light emitting unit

A light emitting device includes a substrate, a plurality of light emitting elements arranged in three or more rows on the substrate, and a light-transmissive member including a cylindrical lens portion having an array of three or more cylindrical lenses arranged parallel to each other along the rows of the... Nichia Corporation

Patent Packs
11/02/17 / #20170314768

Method for manufacturing light-emitting device, manufacturing laser module, and light-emitting device

A method for manufacturing a light-emitting device includes: providing a base including a first depressed portion and a second depressed portion both upwardly opening; and positioning and mounting at least one semiconductor laser element on or above the base based on a predetermined point on a line connecting the first... Nichia Corporation

11/02/17 / #20170317339

Positive electrode composition for nonaqueous electrolyte secondary battery

A positive electrode composition for nonaqueous electrolyte secondary battery comprises a lithium transition metal complex oxide represented by a general formula LiaNi1-x-yCoxM1yWzM2wO2, where 1.0≦a≦1.5, 0≦x≦0.5, 0≦y≦0.5, 0.002≦z≦0.03, 0≦w≦0.02, 0≦x+y≦0.7, M1 represents at least one selected from the group consisting of Mn and Al, and M2 represents at least one selected... Nichia Corporation

11/02/17 / #20170317467

Manufacturing light-emitting device

A method of manufacturing a light-emitting device includes providing a base body including a base section; fixing a plurality of semiconductor laser elements on an upper surface of the base section; and fixing an optical member to the base body, the optical member including a plurality of lens sections, and... Nichia Corporation

11/02/17 / #20170317469

Light emitting device

A light-emitting device includes: a base having a depressed portion upwardly opening, the depressed portion having a bottom surface, surrounding surfaces and at least one placement surface disposed at a position higher than the bottom surface; at least one semiconductor laser element mounted on or above the bottom surface; and... Nichia Corporation

10/26/17 / #20170309789

Light-emitting device and manufacturing the same

A method of manufacturing a light emitting device that includes a plurality of light emitting parts is provided. The method includes providing a base member having a plurality of recesses; mounting at least one light-emitting element in each of the plurality of recesses; disposing a light-transmissive layer continuously covering the... Nichia Corporation

10/26/17 / #20170309800

Package and light emitting device

A package for mounting a light emitting element includes a pair of lead electrodes and a resin molded body. The pair of lead electrodes are made of metal plates. The package has a recess portion in which a light emitting element is mounted. The recess portion is formed of the... Nichia Corporation

10/19/17 / #20170301837

Light emitting device

A light emitting device includes a base member, a light emitting element, a wire, a protective film, first and second resin members, and a light shielding portion. The base member has a conductive member. The wire connects the light emitting element and the conductive member. The protective film covers the... Nichia Corporation

10/19/17 / #20170301839

Light-emitting device and manufacturing same

A light-emitting device includes a substrate; a light-emitting element mounted on the substrate; a first light-transmissive member bonded to an upper surface of the light-emitting element via an adhesive; and a second light-transmissive member placed on an upper surface of the first light-transmissive member. In a plan view of the... Nichia Corporation

10/19/17 / #20170301844

Manufacturing light emitting device

A manufacturing method of a light emitting device includes preparing a wafer that is provided by arranging a plurality of semiconductor light emitting elements including semiconductor stacks and electrodes provided on first surfaces of the semiconductor stacks. A metal wire is wired in an arc shape between the electrodes of... Nichia Corporation

10/12/17 / #20170294419

Light emitting device

A light emitting device includes a first light emitting element having a first front surface and a first lateral surface, and a second light emitting element having a second front surface and a second lateral surface. A substrate includes a substrate front surface in which an intermediate wiring is provided.... Nichia Corporation

10/12/17 / #20170294561

Light emitting device

A light emitting device is provided. The light emitting device includes a light emitting element, which emits blue light, and a light transmissive member having a first principal face bonded to the light emitting element and a second principal face opposite the first principal face. The light transmissive member has... Nichia Corporation

10/12/17 / #20170294563

Method for manufacturing light-emitting device

The method for manufacturing a light-emitting device includes flip-chip mounting a first light-emitting element and a second light-emitting element on a substrate separately from each other, bonding a first light-transmissive member to the first light-emitting element, the first light-transmissive member having a first lateral surface, and bonding a second light-transmissive... Nichia Corporation

10/05/17 / #20170283261

Phosphor and light-emitting equipment using phosphor

Phosphors include a CaAlSiN3 family crystal phase, wherein the CaAlSiN3 family crystal phase comprises at least one element selected from the group consisting of Mn, Ce, Pr, Nd, Sm, Eu, Tb, Dy, Ho, Er, Tm, and Yb.... Nichia Corporation

10/05/17 / #20170283624

Metal powder sintering paste and producing the same, and producing conductive material

There is a problem that when a silver powder sintering paste that is substantially free from resin is used, an organic solvent used as a dispersion medium bleeds, which results in contamination and wire bonding defects. In order to solve the problem, provided is a metal powder sintering paste that... Nichia Corporation

10/05/17 / #20170283695

Fluorescent material, light-emitting device, and producing fluorescent material

A method for producing a fluorescent material can be provided. The method includes preparing fluorescent material particles that contain a fluoride having a composition including Mn, at least one selected from the group consisting of alkali metal elements and NH4+, and at least one selected from the group consisting of... Nichia Corporation

Patent Packs
10/05/17 / #20170284634

Light emitting device

A light emitting device includes: a base member; a laser element disposed on or above a mounting surface of the base member; a fluorescent member including a first main surface and a second main surface respectively positioned on opposite sides of the fluorescent member, the second main surface being fixed... Nichia Corporation

10/05/17 / #20170287883

Light-emitting device and manufacturing the same

A method of manufacturing a light-emitting device includes steps of: preparing at least one substrate having a plurality of through holes; providing an electric wire on a rear surface side of the substrate so that a plurality of portions of the electric wire communicates with a front surface side of... Nichia Corporation

10/05/17 / #20170288096

Light-emitting device

A light-emitting device includes a substrate including a substrate second upper surface provided between a substrate bottom surface and a substrate first upper surface in a height direction. A light-emitting element to emit ultraviolet light is provided on the substrate first upper surface. A protective element includes a protective element... Nichia Corporation

10/05/17 / #20170288103

Lead frame, package, and light-emitting device, and methods for manufacturing the same

A lead frame includes an electrode, a hanger lead, and an outer frame and is formed integrally with a supporting member supporting the electrode, so that a package having a depression in which a light-emitting element will be mounted is formed. The depression is open on the upper side, its... Nichia Corporation

10/05/17 / #20170288104

Light emitting device

A light emitting device includes one or more light emitting elements; a first lead on which the one or more light emitting elements are disposed; a second lead electrically connected to the one or more light emitting elements; a resin member supporting the first lead and the second lead, and... Nichia Corporation

10/05/17 / #20170288105

Method of manufacturing light emitting element mounting base member, manufacturing light emitting device using the light emitting element mounting base member, light emitting element mounting base member, and light emitting device using the light emitting element mounting base member

A method of manufacturing a light emitting element mounting base member includes: arranging a plurality of core members each including an electrical conductor core and a light-reflecting insulating member provided on a surface of the electrical conductor core; cutting the arranged core members to form a base member preparatory body... Nichia Corporation

10/05/17 / #20170288106

Method of manufacturing light emitting element mounting base member, manufacturing light emitting device using the light emitting element mounting base member, light emitting element mounting base member, and light emitting device using the light emitting element mounting base member

A method of manufacturing a light emitting element mounting base member includes: arranging a plurality of core members each including an electrical conductor core and a light-reflecting insulating member provided on a surface of the electrical conductor core; integrally holding the core members with a light blocking resin; and partially... Nichia Corporation

10/05/17 / #20170288107

Method of manufacturing light emitting element mounting base member, manufacturing light emitting device using the light emitting element mounting base member, light emitting element mounting base member, and light emitting device using the light emitting element mounting base member

A method of manufacturing a light emitting element mounting base member includes: providing a first insulating member in a plate shaped having at least one recess portion or at least one through-hole; disposing in the recess portion or in the through-hole a light blocking resin and a plurality of core... Nichia Corporation

10/05/17 / #20170288221

Method of producing positive electrode active material for nonaqueous electrolyte secondary battery

A method of producing a positive electrode active material for a nonaqueous electrolyte secondary battery, the method includes preparing nickel-containing composite oxide particles having a ratio 1D90/1D10 of a 90% particle size 1D90 to a 10% particle size 1D10 in volume-based cumulative particle size distribution is 3 or less; mixing... Nichia Corporation

10/05/17 / #20170288222

Method of producing positive electrode active material for nonaqueous electrolyte secondary battery

A method of producing a positive electrode active material for a nonaqueous electrolyte secondary battery, the method includes preparing nickel-containing composite oxide particles having a ratio 1D90/1D10 of a 90% particle size 1D90 to a 10% particle size 1D10 in volume-based cumulative particle size distribution of 3 or less; obtaining... Nichia Corporation

10/05/17 / #20170288223

Positive electrode active material for nonaqueous electrolyte secondary battery

A positive electrode active material for a nonaqueous electrolyte secondary battery includes particles of a lithium-transition metal composite oxide that contains nickel in the composition thereof and has a layered structure. The particles have an average particle size DSEM based on electron microscopic observation in a range of 1 μm... Nichia Corporation

09/28/17 / #20170275531

Method for producing fluorescent material, fluorescent material, and light emitting device using the same

A method of producing a fluorescent material that is capable of providing a light emitting device having excellent durability, a fluorescent material, and a light emitting device are provided. The method of producing the fluorescent material includes: preparing a calcined product having a chlorosilicate composition containing at least one element... Nichia Corporation

09/28/17 / #20170276299

Light emitting device

A light emitting device includes a semiconductor laser element, a support member and a wavelength conversion member. The support member defines a through-hole through which laser light emitted from the semiconductor laser element passes. The wavelength conversion member has a lateral surface fixed to an inner wall of the through-hole,... Nichia Corporation

09/28/17 / #20170279007

Light-emitting device

A light-emitting device includes a semiconductor layered structure; an upper electrode disposed on a portion of an upper surface of the semiconductor layered structure; a lower electrode disposed on a lower surface of the semiconductor layered structure in a region spaced from a region directly under the upper electrode, the... Nichia Corporation

09/28/17 / #20170279010

Method of manufacturing light emitting device

A method of manufacturing a light emitting device includes: providing particles of a fluorescent material; providing a substrate having a light emitting element mounted thereon; providing a first resin solution and a second resin solution that are two components of a two-component type curable resin; mixing the particles of the... Nichia Corporation

09/28/17 / #20170279018

Method for manufacturing semiconductor device

A method for manufacturing a semiconductor device includes: providing a support with a semiconductor light-emitting element including a first electrode and a second electrode; providing a base including a first interconnect terminal and a second interconnect terminal; forming a first metal layer on the support to cover the first and... Nichia Corporation

09/21/17 / #20170267924

Semiconductor nanoparticles and producing semiconductor nanoparticles

A semiconductor nanoparticle includes a core and a shell covering a surface of the core. The shell has a larger bandgap energy than the core and is in heterojunction with the core. The semiconductor nanoparticle emits light when irradiated with light. The core is made of a semiconductor that contains... Nichia Corporation

09/21/17 / #20170271559

Light emitting device

A side-view type light emitting device has a bottom surface thereof as a light emission surface and a first lateral surface thereof as a mounting surface for mounting on a mounting substrate, and includes a semiconductor layered structure including a first semiconductor layer, an active layer and a second semiconductor... Nichia Corporation

09/21/17 / #20170271565

Light emitting device, package, and methods of manufacturing the same

A method of manufacturing a light emitting device includes: providing an assembly comprising: a package comprising: a resin member having an inner side surface defining a recess, and a lead frame supported by the resin member and arranged at a bottom surface of the recess, and a light emitting element... Nichia Corporation

09/14/17 / #20170263824

Method of manufacturing light emitting device

A method of manufacturing a light emitting device includes: mounting at least one light emitting element on a support member with a first surface of the light emitting element facing upward; applying an adhesive to the first surface of the light emitting element by holding the support member and dipping... Nichia Corporation

09/07/17 / #20170256674

Light emitting device and manufacturing the same

A light emitting device includes: a light emitting element that includes a light extracting surface, an electrode formed surface opposite to the light extracting surface, one or more lateral surfaces, and a pair of electrodes positioned on the electrode formed surface; a light-transmissive member that includes a light entering surface,... Nichia Corporation

09/07/17 / #20170256684

Light emitting device

A light emitting device that is capable of achieving excellent color rendering property is provided. The light emitting device contains a light emitting element having a light emission peak wavelength within a range of 430 nm or more and 470 nm or less, and a fluorescent member. The fluorescent member... Nichia Corporation

09/07/17 / #20170256695

Light emitting device

A light emitting device includes a package, a light emitting element, and a sealing member. The package is equipped with a lead and a molded resin that holds the lead. The lead has an upper surface and a lower surface, and has a metal board and a plating layer. The... Nichia Corporation








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