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Quarkstar Llc patents


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

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "Q" | Quarkstar Llc-related inventors


Illumination devices including multiple light emitting elements

A variety of illumination devices are disclosed that are configured to manipulate light provided by one or more light-emitting elements (lees). In general, embodiments of the illumination devices feature one or more optical couplers that redirect illumination from the lees to a reflector which then directs the light into a range of angles. ... Quarkstar Llc

Illumination system based on active and passive illumination devices

Illumination systems are described for illuminating a target area, e.g., a floor of a room, using active illumination devices in optical communication with passive illumination devices. The active and passive illumination devices of the illumination system are configured and arranged relative to each other in a variety of ways so a variety of intensity distributions can be provided by the illumination system. ... Quarkstar Llc

Light-emitting device with light guide for two way illumination

A variety of light-emitting devices are disclosed that are configured to manipulate light provided by one or more light-emitting elements (lees). In general, a light-emitting device includes one or more light-emitting elements (lees) disposed on a base surface that are configured to emit light, a first optical element having a first surface spaced apart from the lees and positioned to receive light from the lees, a transparent second optical coupled to the first optical element, and a reflector element adjacent the second optical element arranged to reflect a portion of light output from the second optical element.. ... Quarkstar Llc

Devices for workspace illumination

Devices used for workspace illumination include, for example, a panel and a solid-state based optical system arranged inside an enclosure of the panel. The panel can be a cubicle divider. ... Quarkstar Llc

Illumination devices including multiple light emitting elements

A variety of illumination devices are disclosed that are configured to manipulate light provided by one or more light-emitting elements (lees). In general, embodiments of the illumination devices feature one or more optical couplers that redirect illumination from the lees to a reflector which then directs the light into a range of angles. ... Quarkstar Llc

Illumination device with multi-color light-emitting elements

A variety of illumination devices for general illumination utilizing solid state light sources (e.g., light-emitting diodes) are disclosed. In general, an illumination device can include multiple light sources that are disposed on a substrate, where at least some of the light sources include a light-emitting diode (led) and a corresponding inelastic scattering element surrounding, at least in part, the led. ... Quarkstar Llc

Illumination device for direct-indirect illumination

An illumination device includes a plurality of light-emitting elements (lees); a light guide extending in a forward direction from a first end to a second end to receive at the first end light emitted by the lees and to guide the received light to the second end; an optical extractor optically coupled to the second end to receive the guided light, the optical extractor including a redirecting surface to reflect a first portion of the guided light, the reflected light being output by the optical extractor in a backward angular range, and the redirecting surface having one or more transmissive portions to transmit a second portion of the guided light in the forward direction; and one or more optical elements optically coupled to the transmissive portions, the optical elements to modify the light transmitted through the transmissive portions and to output the modified light in a forward angular range.. . ... Quarkstar Llc

Luminaire module having a light guide with redirecting interfaces

A solid-state luminaire module includes one or more light-emitting elements (lees) and a light guide. The light guide includes a receiving end and an opposing end, the receiving end being arranged to receive the light provided by the lees; a pair of opposing side surfaces, extending along a length of the light guide between the receiving end and the opposing end, to guide the received light in a forward direction; and a plurality of redirecting interfaces spaced apart from each other and distributed along a portion of the length of the light guide adjacent the opposing end. ... Quarkstar Llc

Lighting device having a 3d scattering element and optical extractor with convex output surface

A lighting device includes (1) one or more solid-state lighting (ssl) devices, (2) a thick, for example prism- or cylinder- or spherical- or dome-shaped scattering element, and (3) an optical extractor with a convex output surface.. . ... Quarkstar Llc

Light guide illumination device for direct-indirect illumination

An illumination device includes light-emitting elements (lees); a light guide extending in a forward direction from a first end to a second end, the light guide being positioned to receive at the first end light emitted by the lees and to guide the received light to the second end; and an optical extractor coupled to the second end to receive the guided light. The optical extractor is formed from a transparent, solid material and includes a first output surface including a transmissive portion arranged and shaped to transmit a first portion of the guided light to the ambient in a forward angular range and a reflective portion arranged and shaped to reflect via tir all the guided light incident on the reflective portion; and a second output surface arranged to transmit, to the ambient in a backward angular range, light reflected by the reflective portion of the first output surface.. ... Quarkstar Llc

Luminaire assembly

A luminaire assembly includes: a substrate extending along a first direction comprising a first material having a first coefficient of thermal expansion; a plurality of light emitting elements (lees) secured to the substrate and arranged along the first direction; a light guide composed of a material having a second coefficient of thermal expansion different over an operating temperature range; a plurality of optical elements arranged along the first direction, each optical element being positioned to receive light emitted from a corresponding one or more of the lees and to direct the light to an edge of the light guide; a housing; and a heat coupling layer arranged between the substrate and the housing. The substrate and the heat coupling layer are constructed so that each of the plurality of lees, while secured to the substrate, remain registered with their corresponding optical element over the operating temperature range.. ... Quarkstar Llc

Luminaire assemblies with composite housings

A luminaire assembly includes a substrate; light emitting elements (lees) secured to the substrate; optical couplers arranged along the substrate, each optical coupler being positioned to receive light emitting from a corresponding one of the lees and to direct the light in a forward direction orthogonal to the substrate; a redirecting surface spaced apart from the couplers along the forward direction to reflect the light from the optical couplers to an ambient environment in a backward angular range; a housing comprising a support structure and a layer of a heat conducting material disposed on the support structure, where a thermal conductivity of the layer of heat conducting material is greater than a thermal conductivity of a material forming the support structure; and a heat coupling layer arranged between the substrate and the housing, the heat coupling layer being adjacent to the heat conducting material of the housing.. . ... Quarkstar Llc

Illumination device in which source light injection is non-parallel to device`s optical axis

An illumination device includes a light source configured to emit, during operation, light with a prevalent direction of propagation different from a direction of an optical axis of the illumination device; and an optical coupler including a transparent material, the optical coupler having an input aperture, an exit aperture and a first side surface and a second side surface arranged between the input aperture and the exit aperture, the exit aperture being centered on the optical axis of the illumination device. The optical coupler receives the emitted light through the input aperture from the light source. ... Quarkstar Llc

Solid state lamp using light emitting strips

In one embodiment, an led lamp has a generally bulb shape. The leds are low power types and are encapsulated in thin, narrow, flexible strips. ... Quarkstar Llc

05/11/17 / #20170130930

Nearly index-matched luminescent glass-phosphor composites for photonic applications

A light emitting device includes a light emitting diode (led); a transparent optic having a refractive index noptic; and a phosphor layer spaced apart from the led and positioned between the led and the transparent optic. The phosphor layer has an effective refractive index nphosphor, where a gap between the led and the phosphor layer has a refractive index ngap that is less than nphosphor. ... Quarkstar Llc

04/27/17 / #20170114968

Illumination system with multiple light guide luminaire modules

A standing lamp includes a stand; first and second luminaire modules, each comprising a plurality of light emitting elements (lees) distributed along a first direction, a light guide and a housing configured to house at least the lees and to support the light guide; and a mount attaching the first and second luminaire modules to the stand.. . ... Quarkstar Llc

02/23/17 / #20170052314

Wall wash luminaire with light guide and optical element therefore

A light shaping article includes a solid optic having a cross-sectional profile including an input interface; a convex output surface opposite the input interface; a concave first side surface extending between the input interface and the convex output surface; and a second side surface opposite the concave first side surface extending from between input interface to the convex output surface. The concave first side surface and the convex output surface are configured such that, when the solid optic receives input light having an input angular range in a plane of the cross-sectional profile, the solid optic guides the light to and emits the light from the output surface in an output angular range in the plane. ... Quarkstar Llc

02/23/17 / #20170052305

Light guide illumination device with light divergence modifier

An illumination device includes a light-emitting element (lees); a light guide extending in a forward direction from a first end to a second end to receive at the first end lee light and to guide the light to the second end, such that divergence of the light received at the first end and divergence of the guided light that reaches the second end are substantially the same; a light divergence modifier optically coupled to the light guide at the second end to receive the guided light, to modify the divergence of the guided light, such that the light provided by the light divergence modifier has a modified divergence different from the divergence of the guided light; and an optical extractor optically coupled to the light divergence modifier, to output into the ambient environment light provided by the light divergence modifier as output light in one or more output angular ranges.. . ... Quarkstar Llc

02/16/17 / #20170048945

Dimmable lighting devices and methods for dimming same

In a single lighting device including a large number of light-emitting elements (lees), the lees are divided into separately powered groups, and different combinations of the groups are fully energized to achieve the desired overall brightness. In some embodiments, the number of lees in each group has a binary relationship to the other groups. ... Quarkstar Llc

02/09/17 / #20170038518

Luminaire module with multiple light guide elements

A variety of luminaire modules are disclosed that are configured to output light provided by multiple light-emitting elements (lees). In general, embodiments of the luminaire modules feature at least two lees disposed on at least one substrate, at least two light guides that receive light from corresponding lees of the at least two lees, and at least one optical extractor that receives light from corresponding light guides from the at least two light guides.. ... Quarkstar Llc

02/09/17 / #20170038511

Light-emitting device with remote scattering element and total internal reflection extractor element

A variety of light-emitting devices are disclosed that are configured to output light provided by a light-emitting element (lee). In general, embodiments of the light-emitting devices feature a light-emitting element, a scattering element that is spaced apart from the light-emitting element and an extractor element coupled to the scattering element, where the extractor element includes, at least in part, a total internal reflection surface. ... Quarkstar Llc

02/09/17 / #20170038041

Illumination devices with adjustable optical elements

Illumination devices with adjustable optical elements configured to provide a variable illumination pattern of an area are described. The adjustable optical elements of the illumination devices can be traversed relative to a surface (e.g., a ceiling of a room) to vary the light distribution and/or intensity to the surface.. ... Quarkstar Llc

01/12/17 / #20170010401

Luminaire module having a light guide with a redirecting end-face

A solid-state luminaire module includes one or more light-emitting elements (lees) arranged to provide light; and a light guide including a receiving end arranged to receive the light provided by the lees and an opposing end, a pair of opposing side surfaces extending along a length of the light guide to guide the received light in a forward direction to the opposing end, and a redirecting end-face located at the opposing end and configured to reflect the guided light—that reaches the opposing end—back into the light guide as return light, such that substantially all the return light impinges on the pair of opposing side surfaces at incident angles larger than a critical incidence angle and transmits through the pair of opposing side surfaces into the ambient as output light of the luminaire module, the output light to propagate in backward directions.. . ... Quarkstar Llc








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