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Universal Display Corporation
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Universal Display Corporation patents


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

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "U" | Universal Display Corporation-related inventors


Organic electroluminescent materials and devices

of Formula I is provided. In the structure of Formula I, each of A1 through A8 is independently carbon or nitrogen; at least one of A1 through A8 is nitrogen; ring B is bonded to ring A through a C—C bond; the iridium is bonded to ring A through an... Universal Display Corporation

Organic electroluminescent materials and devices

bearing either a naphthalene or other fused heterocycle moieties such as benzofuran and benzothiophene useful as emitters in OLEDs and improve the device efficiency and the FWHM of the emission.... Universal Display Corporation

Organic electroluminescent materials and devices

The present invention includes a new series of benzofused heterocyclic ligands for metal complexes. These complexes show promising photophysical performance when incorporated into OLEDs.... Universal Display Corporation

Organic electroluminescent materials and devices

bearing either a naphthalene or other fused heterocycle moieties such as benzofuran and benzothiophene useful as emitters in OLEDs and improve the device efficiency and the FWHM of the emission are disclosed.... Universal Display Corporation

Organic electroluminescent materials and devices

Imidazophenanthridine ligands and metal complexes are provided. The compounds exhibit improved stability through a linking substitution that links a nitrogen bonded carbon of an imidizole ring to a carbon on the adjacent fused aryl ring. The compounds may be used in organic light emitting devices, particularly as emissive dopants, providing... Universal Display Corporation

Flexible oled display module

A flexible OLED display module that is capable of repetitive flexing and having a low radius of curvature is provided. According to an embodiment, a flexible OLED display module may include a first stack having a substrate, a backplane disposed on the substrate, and an organic electroluminescent layer formed on... Universal Display Corporation

Organic electroluminescent materials and devices

This invention discloses novel polycyclic heteroaromatic compound core structures. These compounds can be used as hosts for PHOLEDs... Universal Display Corporation

Organic electroluminescent materials and devices

Novel ligands for metal complexes containing five-membered ring fused on pyridine or pyrimidine ring combined with partially fluorinated side chains exhibiting improved external quantum efficiency and lifetime are disclosed.... Universal Display Corporation

Autostereoscopic displays

An autostereoscopic display system includes a display including a plurality of addressable pixels. Each of the plurality of pixels includes two or more sub-pixels. The display is adapted to have n views in the horizontal direction wherein n is an integer greater than or equal to 2. A native pixel... Universal Display Corporation

Organic electroluminescent materials and devices

A composition comprising a first compound capable of functioning as a phosphorescent emitter in an organic light emitting device at room temperature is provided. The first compound includes at least one substituent R, where each of the at least one substituent R has the formula of: - - -G1-G2, where... Universal Display Corporation

Organic electroluminescent materials and devices

A novel type of blue emitter is described based on the azaphenanthridine imidazole ligand. The preferred use of this moiety for generating blue phosphorescence is as part of a symmetric platinum tetradentate complex.... Universal Display Corporation

Hybrid display

A hybrid pixel arrangement for a full-color display is provided, which includes an inorganic LED in at least one sub-pixel, and an organic emissive stack in at least one other sub-pixel. In an embodiment, a first sub-pixel is configured to emit a first color, and includes an inorganic LED, a... Universal Display Corporation

Organic electroluminescent materials and devices

The present invention includes novel borazarophenanthrene compounds, which may be used as hosts for phosphorescent emitters, charge transporters or emitters in OLEDs.... Universal Display Corporation

Integrated circular polarizer and permeation barrier for flexible oleds

Devices and techniques for fabricating such devices are provided, which include an optical system having a combined permeation barrier and circular polarizer. The optical system is relatively thin and flexible, thereby allowing for OLED displays and similar devices that reduce glare while being suitable for use in flexible displays and... Universal Display Corporation

Oled displays with variable display regions

A display includes a frontplane having multiple pixels in a first pixel region and multiple pixels in a second pixel region. At least one display characteristic in the first pixel region is different from at least one display characteristic in the second pixel region. The at least one characteristic is... Universal Display Corporation

Nozzle design for organic vapor jet printing

Nozzle designs which have been found to be effective in governing overspray in OVJP are provided. Aspects of the invention have been found to be effective in reducing or avoiding sudden pressure drops at the end of the nozzle close to the substrate, and may be advantageously employed in obtaining,... Universal Display Corporation

Very high resolution stacked oled display

A full-color display and techniques for fabrication thereof are provided. The display includes first and second continuous independently addressable organic emissive layers disposed over a single substrate or between two substrates or portions of a flexible substrate. The use of continuous emissive layers of a limited number of colors allows... Universal Display Corporation

Organic electroluminescent materials and devices

The present invention includes iridium complexes containing novel hexadentate ligands. The multidentate iridium complexes show desired properties in term of EQE, LT, CIE, etc.... Universal Display Corporation

Organic electroluminescent materials and devices

The present invention includes novel metal complexes derived from pyridyl substituted aromatic compound core structures. These compounds can be used as emitters for PHOLEDs.... Universal Display Corporation

Organic electroluminescent materials and devices

Novel heteroleptic iridium carbene complexes are provided. The complexes have lower-than expected sublimation temperatures, which is beneficial for the processing of these materials in solid state applications. Selective substitution of the ligands provides for phosphorescent compounds that are suitable for use in a variety of OLED devices. The carbene complexes... Universal Display Corporation

Organic electroluminescent materials and devices

The present application includes novel compounds containing xanthene and spiro dixanthene ring structures. These compounds are useful as host materials with high triplet energies for phosphorescent electroluminescent devices.... Universal Display Corporation

Organic electroluminescent materials and devices

The present application includes novel containing xanthene and spiro dixanthene ring structures and alkylated variants thereof. These compounds are useful as host materials with high triplet energies for phosphorescent electroluminescent devices.... Universal Display Corporation

Organic electroluminescent materials and devices

New phosphorescent metal complexes containing substituents with succinimide moiety that are useful for phosphorescent organic light emitting devices are disclosed.... Universal Display Corporation

Organic electroluminescent materials and devices

New metal complexes containing a substituted fused aromatic moiety is disclosed. The substituents on the fused aromatic moiety fine-tune molecular energy levels and solid-state self-assembly, conducive to improved material performance in devices useful for phosphorescent organic light emitting devices.... Universal Display Corporation

Organic electroluminescent materials and devices

The present invention includes a new series of benzofused heterocyclic ligands for metal complexes. These complexes show promising photophysical performance when incorporated into OLEDs.... Universal Display Corporation

Organic electroluminescent materials and devices

Novel phosphorescent tetradentate platinum compounds of Formula I are provided. The complexes contain a dibenzo moiety, which allows for the creation of OLED devices with improved properties when compounds of Formula I are incorporated into such devices. Compounds of Formula I′ that comprise two ligands that contain a 5-membered carbocyclic... Universal Display Corporation

Organic electroluminescent materials and devices

New organometallic complexes having bis- or tris-heteroleptic ligands and large aspect ratio in one direction and their use in OLEDs to enhance the efficiency is disclosed.... Universal Display Corporation

Organic electroluminescent materials and devices

Iridium complexes comprising three different bidentate ligands and their use in OLEDs to enhance the device efficiency and lifetime are disclosed.... Universal Display Corporation

Organic electroluminescent materials and devices

A compound is disclosed that has a metal coordination complex structure having at least two ligands coordinated to the metal; wherein the compound has a first substituent R1 at one of the ligands' periphery; wherein a first distance is defined as the distance between the metal and one of the... Universal Display Corporation

Oled lighting device with short tolerant structure

A first device that may include a short tolerant structure, and methods for fabricating embodiments of the first device, are provided. A first device may include a substrate and a plurality of OLED circuit elements disposed on the substrate. Each OLED circuit element may include a fuse that is adapted... Universal Display Corporation

Architecture for very high resolution amoled display

Full-color pixel arrangements for use in displays and other devices, and devices including the same, are provided. The pixel arrangement includes a patterned electrode layer including multiple electrodes, a patterned emissive layer disposed over the electrode layer, a blanket organic emissive layer disposed over the patterned emissive layer, a second... Universal Display Corporation

Organic electroluminescent materials and devices

New organic materials having polyaromatic structure containing boron and high triplet energy are disclosed. The high triplet energy materials are useful as host materials in PHOLEDs and improve device quantum efficiency and stability.... Universal Display Corporation

Organic electroluminescent materials and devices

An OLED including an organic layer that contains metal complex compounds that are useful as a phosphorescent emitter is disclosed. The metal complex compounds include ligands that incorporate fluorinated side chains and has at least one substituent R selected from the group consisting of partially fluorinated alkyl, partially fluorinated cycloalkyl,... Universal Display Corporation

Novel architecture for very high resolution amoled display backplane

A display according to various embodiments is disclosed. The display has a frontplane including at least one OLED pixel having multiple subpixels connected to at least one power line. A backplane of the display includes at least one driver circuit connected to two or more of the multiple subpixels. Methods... Universal Display Corporation

Organic electroluminescent materials and devices

Organic compounds containing indolocarbazoles as electron donor connected with electron acceptors such aza-triphenylene or dibenzoquinoxaline that can improve the performance of phosphorescent organic light emitting devices are disclosed.... Universal Display Corporation

11/30/17 / #20170346022

Organic electroluminescent materials and devices

Novel organic materials containing indolocarbazoles as donor connected with electron acceptors such as quinoxaline or dibenzoquinoxaline for PHOLED devices are disclosed.... Universal Display Corporation

11/23/17 / #20170338421

Organic electroluminescent materials and devices

Tetradentate ligands with rigid backbone for use as phosphorescent emitters, and devices, such as organic light emitting diodes are disclosed.... Universal Display Corporation

11/23/17 / #20170338432

Novel oled device structures

Devices having multiple multicomponent emissive layers are provided, where each multicomponent EML includes at least three components. Each of the components in each EML is a host material or an emitter. The devices have improved color stability and relatively high luminance.... Universal Display Corporation

11/16/17 / #20170331055

Organic electroluminescent materials and devices

Compounds comprising phosphorescent metal complexes comprising cyclometallated imidazo[1,2-f]phenanthridine and diimidazo[1,2-a:1′,2′-c]quinazoline ligands, or isoelectronic or benzannulated analogs thereof, are described. Organic light emitting diode devices comprising these compounds are also described.... Universal Display Corporation

11/16/17 / #20170331056

Phosphorescent tetradentate metal complexes having modified emission spectra

Multidentate metal complexes useful as phosphorescent emitters in display and lighting applications having the following structures:... Universal Display Corporation

11/09/17 / #20170324049

Organic electroluminescent materials and devices

The present invention includes a new series of heteroleptic iridium complexes that demonstrate high efficiency in OLED device.... Universal Display Corporation

10/26/17 / #20170306486

High efficiency vapor transport sublimation source using baffles coated with source material

A source of material for use in a deposition system includes one or more baffles or equivalent structures within the source. The baffles provide for increased concentration of material entrained in a carrier gas that is passed through and emitted by the source.... Universal Display Corporation

10/26/17 / #20170309827

Organic electroluminescent materials and devices

The present invention relates to novel light-emitting materials. These materials comprise a non-aromatic spiro polycyclic group. This new side chain could reduce the stacking of the light-emitting materials and result in high PLQY.... Universal Display Corporation

10/26/17 / #20170309838

Organic electroluminescent materials and devices

Tetradentate ligands with rigid backbone for use as phosphorescent emitters, and devices, such as organic light emitting diodes are disclosed.... Universal Display Corporation

10/26/17 / #20170309866

Luminaire and individually replaceable components

Luminaires and luminaire components are provided that may include emissive, index-matching, and/or outcoupling components that are replaceable separately from other components of the luminaire. In some embodiments, an index-matching component may include a gel sheet or pad that can be disposed between an emissive component and an outcoupling component. The... Universal Display Corporation

10/19/17 / #20170301870

Organic electroluminescent materials and devices

Ligands with fused spirocyclic substitutions and metal complexes formed with such ligands and having improved performance in OLED applications are disclosed.... Universal Display Corporation

10/12/17 / #20170291187

Actuation mechanism for accurately controlling distance in ovjp printing

A device for use in OVJP and similar arrangements includes a print head movable in more than one degree of freedom with sufficient thermal insulation that there is little to no movement in the Z direction. One or more sensors may be used to monitor and adjust the distance between... Universal Display Corporation

10/12/17 / #20170294597

Organic electroluminescent materials and devices

is provided. In the structure of Formula I, each R1, R2, R3, R4, R4, R5, R6, R7, and R8 is independently selected from a variety of substituents; any adjacent substituents are optionally joined or fused into a ring; at least one of R3, R4, and R5 is not hydrogen; “a”... Universal Display Corporation

10/12/17 / #20170294615

Nozzle exit contours for pattern composition

A deposition nozzle is provided that includes offset deposition apertures disposed between exhaust apertures on either side of the deposition apertures. The provided nozzle arrangements allow for deposition of material with a deposition profile suitable for use in devices such as OLEDs.... Universal Display Corporation

10/05/17 / #20170287987
10/05/17 / #20170288157

Organic electroluminescent materials and devices

This invention discloses novel ligands for metal complexes. These ligands comprise a new side chain, namely silacycloalkane, which could increase the dopants efficiency, tune the emission color, and enhance the lifetime.... Universal Display Corporation

10/05/17 / #20170288160

Organic electroluminescent materials and devices

Novel heteroleptic iridium carbene complexes are provided, which contain at least two different carbene ligands. Selective substitution of the carbene ligands provides for phosphorescent compounds that are suitable for use in a variety of OLED devices.... Universal Display Corporation

10/05/17 / #20170288175

Methods for fabricating oleds

Systems and methods for fabricating an OLED are provided, which include dispensing a substrate material onto a substrate carrier, the substrate carrier being rotated by one or more drums, curing the substrate material to form a substrate, depositing at least one OLED onto the substrate, and separating the substrate from... Universal Display Corporation

09/21/17 / #20170271598

Organic electroluminescent materials and devices

A dual host system for OLEDs that contains hole-transporting indolocarbazole and electron-transporting indolocarbazole exhibiting superior performance in the OLEDs is disclosed.... Universal Display Corporation

09/21/17 / #20170272631

Flash optimized using oled display

An image processing system includes an image sensor, an OLED display, a profile selection processor configured to select an output profile from among a plurality of pre-stored output profiles based at least in part on a digital representation of a target scene captured by the image sensor, and an image... Universal Display Corporation

09/14/17 / #20170263600

Oled lighting device with short tolerant structure

An OLED panel having a plurality of OLED circuit elements is provided. Each OLED circuit element may include a fuse or other component that can be ablated or otherwise opened to render the component essentially non-conductive. Each OLED circuit element may comprise a pixel that may include a first electrode,... Universal Display Corporation

09/14/17 / #20170263872

Organic electroluminescent materials and devices

Phosphorescent iridium complexes comprising multi-alkyl-substituted aza-DBF and 2-phenylpyridine ligands is disclosed. These complexes are useful as emitters for phosphorescent OLEDs.... Universal Display Corporation

09/07/17 / #20170256714

Controlled deposition of materials using a differential pressure regime

Methods and devices for controlling pressures in microenvironments between a deposition apparatus and a substrate are provided. Each microenvironment is associated with an aperture of the deposition apparatus which can allow for control of the microenvironment.... Universal Display Corporation

08/31/17 / #20170250354

Organic electroluminescent materials and devices

A method of making an osmium(II) complex having Formula I, L1-Os-L2, wherein L1 and L2 are independently a biscarbene tridentate ligand, wherein L1 and L2 can be same or different is disclosed. The method includes (a) reacting a precursor of ligand L1 with an osmium precursor to form an intermediate... Universal Display Corporation

08/24/17 / #20170240579

Organic electroluminescent materials and devices

... Universal Display Corporation

08/24/17 / #20170240580

Organic electroluminescent materials and devices

Phosphorescent metal complexes comprising a pendant redox-active metallocene are disclosed. These complexes are useful as emitters for phosphorescent OLEDs.... Universal Display Corporation

08/24/17 / #20170244046

Organic electroluminescent materials and devices

The present invention relates to novel light-emitting materials. These materials comprise a side chain that includes a fully deuterated or partially deuterated alkyl chain. This new side chain could improve device lifetime compared to nondeuterated side chains.... Universal Display Corporation

08/17/17 / #20170237014

Organic electroluminescent materials and devices

Devices containing novel carbazole-containing compounds are provided. The novel compounds also contain electron donor groups, aryl linkers, and at least one nitrogen heterocycle. These novel organic compounds can exhibit delayed fluorescence in the devices.... Universal Display Corporation

08/17/17 / #20170237018

Organic electroluminescent materials and devices

This invention relates to the development of heterocyclic materials for use as blue phosphorescent materials in OLED devices. The materials are based on a pair of 5-membered aromatic or psuedoaromatic rings bonded to one another and complexed to a transition metal. The materials were determined computationally to have appropriate triplet... Universal Display Corporation

08/17/17 / #20170237019

Organic electroluminescent materials and devices

Novel iridium complexes containing phenylpyridine and pyridyl aza-benzo fused ligands are described. These complexes are useful as light emitters when incorporated into OLEDs.... Universal Display Corporation

Patent Packs
08/17/17 / #20170237035

System and matching electrode resistances in oled light panels

Provided are an OLED device and a method of manufacturing the OLED device that may provide improved luminance uniformity. The disclosed OLED may have a first electrode that has a first sheet resistance Rs, and a second electrode that has a second sheet resistance, wherein the second sheet resistance may... Universal Display Corporation

08/10/17 / #20170229520
08/10/17 / #20170229663

Organic electroluminescent materials and devices

Novel Iridium complexes having three different bidentate ligands useful for phosphorescent emitters in OLEDs are disclosed. At least one of the three different bidentate ligands is a carbene ligand.... Universal Display Corporation

08/10/17 / #20170229671

Reducing oled device efficiency at low luminance

The invention provides a light emitting device, comprising: a first electrode; a second electrode; a light emitting layer disposed between the first electrode and the second electrode, wherein the light emitting layer comprises an emitting material having a first triplet energy level (T1); and an exciton quenching layer disposed between... Universal Display Corporation

07/20/17 / #20170207281

High resolution low power consumption oled display with extended lifetime

Full-color pixel arrangements for use in devices such as OLED displays are provided, in which multiple sub-pixels are configured to emit different colors of light, with each sub-pixel having a different optical path length than some or all of the other sub-pixels within the pixel.... Universal Display Corporation

07/20/17 / #20170207408

Organic light emitting devices

The present invention provides an emissive region in organic light emitting devices having a combined emission from at least two emissive materials, a fluorescent blue emissive material and a phosphorescent emissive material. The emissive region may further comprise additional fluorescent or phosphorescent emissive materials. Preferably, the emissive region has three... Universal Display Corporation

07/06/17 / #20170194562

Organic electroluminescent materials and devices

A compound containing five member ring fused B-N heterocycles is useful as host materials in OLEDs.... Universal Display Corporation

07/06/17 / #20170194577

Organic electroluminescent materials and devices

Methods of making novel organic compounds containing a twisted aryl group are provided. In particular, the compounds provided contain a 2-phenylpyridine ligand having a twisted aryl group on the pyridine portion of the ligand. The compounds may be used in organic light emitting devices, particularly as emitting dopants. Devices comprising... Universal Display Corporation

06/29/17 / #20170186970

Organic electroluminescent materials and devices

Host materials with pentafluorophenyl substitution are described. These compounds are designed for, and used for hosting aza substituted dopants that may be susceptible to intramolecular deprotonation. In addition, the fluorinated substitution aids with electron transport within the emissive layer.... Universal Display Corporation

06/29/17 / #20170186977

Organic electroluminescent materials and devices

Compounds containing indolocathazole, and aromatic and/or heteroaromatic building blocks, are disclosed in this application. These compounds are useful for application in organic electroluminescent devices.... Universal Display Corporation

06/29/17 / #20170187006

Manufacturing flexible organic electronic devices

A method of forming microelectronic systems on a flexible substrate includes depositing a plurality of layers on one side of the flexible substrate. Each of the plurality of layers is deposited from one of a plurality of sources. A vertical projection of a perimeter of each one of the plurality... Universal Display Corporation

06/22/17 / #20170179394

Organic electroluminescent materials and devices

is disclosed. In the structure of Formula I, each of R1, R2, and R3 is independently a hydrogen, a non-fused aryl group having one meta-substituent, or a non-fused heteroaryl six-membered ring having one or more meta-substituents; each meta-substituent is a non-fused aryl or non-fused heteroaryl six-membered ring optionally substituted with... Universal Display Corporation

06/22/17 / #20170179410

Organic electroluminescent materials and devices

Novel organic compounds comprising ligands with deuterium substitution are provided. In particular, the compound is an iridium complex comprising methyl-d3 substituted ligands. The compounds may be used in organic light emitting devices to provide devices having improved color, efficiency and lifetime.... Universal Display Corporation

06/15/17 / #20170170409

Organic electroluminescent materials and devices

Novel electroluminescent devices containing bicarbazole triazine compounds as emissive dopants are described. Devices incorporating this class of compounds exhibit delayed fluorescence characteristics that showed EQE's far exceeding the theoretical limit for a conventional fluorescent device.... Universal Display Corporation

06/15/17 / #20170170414

Organic electroluminescent materials and devices

This invention discloses iridium complexes containing hexadenate ligands. The multidenate iridium complexes showed desired properties in term of EQE, LT, CIE, etc.... Universal Display Corporation

Patent Packs
06/08/17 / #20170162802

Organic electroluminescent materials and devices

An organic light emitting device (OLED) is provided. The OLED has an anode, a cathode, and an emission layer, disposed between the anode and the cathode, including a first emitting compound; wherein the first emitting compound is capable of functioning as a blue phosphorescent emitter in the OLED at room... Universal Display Corporation

06/08/17 / #20170162835

Micro-nozzle and micro-nozzle array for ovjp and manufacturing the same

Embodiments of the disclosed subject matter provide a nozzle assembly and method of making the same, the nozzle assembly including a first aperture formed on a first aperture plate to eject a carrier gas flow having organic vapor onto a substrate in a deposition chamber, second apertures formed on a... Universal Display Corporation

06/01/17 / #20170155064

Organic electroluminescent materials and devices

This invention relates to the development of heterocyclic materials for use as blue phosphorescent materials in OLED devices. The materials were determined computationally to have appropriate triplet energies for use as blue emitters and to possess sufficient chemical stability for use in devices.... Universal Display Corporation

05/25/17 / #20170148988

Organic electroluminescent materials and devices

This invention discloses metal complexes containing carborane moiety. The metal complexes showed desired properties in term of EQE, LT, and CIE.... Universal Display Corporation

05/11/17 / #20170133439

Novel oled display architecture

A device that may be used as a multi-color pixel is provided. The device has a first organic light emitting device, a second organic light emitting device, a third organic light emitting device, and a fourth organic light emitting device. The device may be a pixel of a display having... Universal Display Corporation

05/11/17 / #20170133631

Oled device having enhancement layer(s)

A method for improving the operation of an OLED includes maximizing on-radiative transfer of excited state energy from the OLED's organic emissive material to surface plasmon polaritons in an enhancement layer by providing the enhancement layer no more than a threshold distance away from the organic emissive layer; and emitting... Universal Display Corporation

05/04/17 / #20170125702

Organic electroluminescent materials and devices

Bis-Indole compounds are disclosed and used as hosts to improve the organic electroluminescent devices (OLEDs) performance.... Universal Display Corporation

05/04/17 / #20170125706

Organic electroluminescent materials and devices

This invention discloses iridium complexes containing hexadenate ligands. The multidenate iridium complexes showed desired properties in term of EQE, LT, CIE, etc.... Universal Display Corporation

05/04/17 / #20170125718

Three stack hybrid white oled for enhanced efficiency and lifetime

OLEDs containing a stacked hybrid architecture including a phosphorescent organic emissive unit and two fluorescent organic emissive units are disclosed. The stacked hybrid architecture includes a plurality of electrodes and a hybrid emissive stacked disposed between at least two of the electrodes. The stack contains at least three emissive units... Universal Display Corporation

04/27/17 / #20170117489

Organic electroluminescent materials and devices

Triphenylene containing benzo-fused thiophene compounds ate provided. Additionally, triphenylene containing benzo-fused furan compounds are provided. The compounds may be useful in organic light emitting devices, particularly as hosts in the emissive layer of such devices, or as materials for enhancement layers in such devices, or both.... Universal Display Corporation

04/27/17 / #20170117492

Organic electroluminescent materials and devices

Phosphorescent materials and devices with high device efficiency, stability, and processability.... Universal Display Corporation

04/27/17 / #20170117503

Buffer layer for organic light emitting devices and making the same

A buffer layer is provided that can be fabricated over an OLED without the use of any oxygen-containing gas. The buffer layer reduces the possibility of damage to the underlying OLED due to use of oxygen-containing materials during deposition of subsequent barrier layers, and thereby allows for deposition of barrier... Universal Display Corporation

04/20/17 / #20170110676

Phosphorescent emitters and host materials with improved stability

Iridium complexes with ligands containing twisted aryl groups having extended conjugation (i.e., the twisted aryl is substituted with an additional aryl group) and organic light emitting devices including the same are disclosed. The iridium complexes can be used in organic light emitting devices may provide improved stability color, lifetime and... Universal Display Corporation

04/13/17 / #20170101711

Apparatus and printing multilayer organic thin films from vapor phase in an ultra-pure gas ambient

Systems and techniques for depositing organic material on a substrate are provided, in which one or more shield gas flows prevents contamination of the substrate by the chamber ambient. Thus, multiple layers of the same or different materials may be deposited in a single deposition chamber, without the need for... Universal Display Corporation

04/13/17 / #20170104159

Apparatus and method to deliver organic material via organic vapor-jet printing (ovjp)

Systems and arrangements of OVJP deposition devices are provided, in which one or more organic material crucibles are directly attached to an injection block and a print head without the need for external delivery components such as feedtubes. Each crucible may be hermetically sealed until it is attached to the... Universal Display Corporation

04/06/17 / #20170098783

Organic electroluminescent materials and devices

This invention relates to the development of heterocyclic materials with high triplet excitation energy, which can be used as host materials in electroluminescent devices such as a PHOLED. The materials improve the performance of such devices by enhancing the lifetime and efficiency of the device when the newly developed heterocyclic... Universal Display Corporation

04/06/17 / #20170098789

Organic electroluminescent materials and devices

This invention discloses iridium complexes with ligands based on a phenyl quinoline backbone with at least a double substitution on the quinoline moiety. These complexes can be used as phosphorescent emitters in OLEDs.... Universal Display Corporation

04/06/17 / #20170098790

Organic electroluminescent materials and devices

Ir phenyl parazole complexes substituted with strong electron withdrawing group such as cyano group resulted in enhancing the metal to ligand charge transfer (MLCT) which in turn resulted in enhanced emission efficiency and red shifted emission.... Universal Display Corporation

03/30/17 / #20170092699

High resolution low power consumption oled display with extended lifetime

Arrangements of pixel components that allow for full-color devices, while using emissive devices that use blue color altering layers in conjunction with blue emissive regions, that emit at not more than two colors, and/or that use limited number of color altering layers, are provided. Devices disclosed herein also may be... Universal Display Corporation

03/30/17 / #20170092880

Organic electroluminescent materials and devices

In addition, M is a metal having an atomic mass greater than 40, x is 1, 2, or 3, and y and z are independently 0, 1, or 2. In the compound, Z5 is carbon or nitrogen; one of Z1 to Z4 is nitrogen and three of Z1 to Z4... Universal Display Corporation

03/23/17 / #20170084671

Hybrid display

A hybrid pixel arrangement for a full-color display is provided, which includes an inorganic LED in at least one sub-pixel, and an organic emissive stack in at least one other sub-pixel. In an embodiment, a first sub-pixel is configured to emit a first color, and includes an inorganic LED, a... Universal Display Corporation

03/23/17 / #20170084849

Organic electroluminescent materials and devices

This invention discloses iridium complexes containing one tetradentate ligand and one bidentate ligand. The heteroleptic iridium complexes showed desired properties such as good EQE, LT, and CIE.... Universal Display Corporation

03/23/17 / #20170084851

Organic electroluminescent materials and devices

Compounds comprising phosphorescent metal complexes comprising cyclometallated imidazo[1,2-f]phenanthridine and diimidazo[1,2-a:1′,2′-c]quinazoline ligands, or isoelectronic or benzannulated analogs thereof, are described. Organic light emitting diode devices comprising these compounds are also described.... Universal Display Corporation








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