|
Match
|
Document |
Document Title |
|
|
8152317 |
Light source device, lighting device and image display device
A light source device includes an optical element 22 having a first face 1 opposed to a solid light emitting element 21. The optical element 22 includes second and third faces 2, 3 opposing in...
|
|
|
8113692 |
Light source module for generating polarized light
A light source module for generating polarized light includes a light emitting element, a reflector, and an optical element. The light emitting element generates a light ray, and the reflector...
|
|
|
8100535 |
Stress birefringence compensation in polarizing beamsplitters and systems using same
An optical system is provided. The optical system comprises a first polarizing beamsplitter (PBS), a first reflecting image-forming device, and a first quarter-wave retarding element. An optical...
|
|
|
8098430 |
Grating structure for directing non-polarized light
A grating structure having a fused silica base includes alternating ridges and grooves. The ridges and grooves form a fused silica to air interface. The ridges and grooves are configured such that...
|
|
|
8096672 |
Method of equalizing light levels between LED light fixtures
A method is provided for equalizing emitted light levels between light fixtures that use LEDs to produce light. The method includes gaining access to LED light fixtures from within a compartment in...
|
|
|
8092035 |
Illumination method and assembly
An illumination system including a lamp housing that may be mountable on a ceiling panel and a lamp supported within the lamp housing in a position to emit light from an opening in the housing. The...
|
|
|
8077388 |
Light polarization converter for converting linearly polarized light into radially polarized light and related methods
The conversion of linear polarized light into radial-polarized light is accomplished through a radial polarization generator containing multiple layers of polarizing film, or polarization...
|
|
|
8042960 |
Illumination device for producing a polarized light beam
An illumination device for providing a polarized light beam comprising a light source (101) having a light emitting surface arranged to emit light (107) in a plane (X-Y), a first polarizing...
|
|
|
8033674 |
Optical components and light emitting devices comprising asymmetric scattering domains
The present invention provides a polarization-sensitive light homogenizer and a backlight and display using the same. The homogenizer improves the spatial luminance and color uniformity, increases...
|
|
|
8035776 |
Liquid crystal cell and display having patterned electrode layer between at least cholesteric liquid crystal and electrode
A liquid crystal cell (5) comprises a layer (4) of cholesteric liquid crystal material; and a retarder (3) disposed in an optical path through the layer (4) of cholesteric liquid crystal material....
|
|
|
8016468 |
Signal indicator lamp assembly for a vehicle
A signal indicator lamp assembly (10) for a vehicle (14) has an LED assembly (16) that emits electromagnetic radiation (20), which is visible light, such as white light, that is composed of at...
|
|
|
8007118 |
Direct-lit backlight with angle-dependent birefringent diffuser
A direct-lit backlight includes a diffuse reflector disposed in front of a light source. The diffuse reflector has a continuous phase material and a disperse phase material, at least one of which...
|
|
|
7982954 |
Light collectors for projection systems
Disclosed herein are light collectors for use in projection applications. The light collectors gather light from surface emitting sources (e.g., LEDs) of differing color (or same color in some...
|
|
|
7980712 |
Light-transmissive film, method for manufacturing the same, and display apparatus
A light-transmissive film for use in display devices is provided. The light-transmissive film includes a plurality of first protrusions formed on one surface and extending in a predetermined...
|
|
|
7942537 |
Light-emitting device with brightness enhancing layer
A brightness enhancing means (5), comprising a collimating means (6) having a receiving area (61), an output area (62) being larger than said receiving area (61), and sidewalls (63) at least...
|
|
|
7944612 |
Illumination systems
Described are illumination systems whereby light spectra from multiple LEDs of various colors can be combined and polarized with minimal components, while substantially reducing the losses for the...
|
|
|
7918571 |
Light-transmitting film, method of forming light-transmitting film, and liquid crystal display
A light-transmitting film that has a predetermined polarization split function, in addition to a light-collecting function is provided. The index of refraction nx in a prism extension direction and...
|
|
|
7901119 |
Vehicle
A vehicle has a lamp arranged outside a passenger compartment having a vehicle window through which light of the lamp penetrates into the vehicle. The lamp is arranged and constructed such that the...
|
|
|
7896510 |
Polarized light illumination device
A polarized light illumination device is described, which includes a light source, a polarizer, a reflector, and a polarized light converter. The light source generates light. The reflector is used...
|
|
|
7866837 |
Skew light illumination lens device
A skew light illumination lens body mainly directs the light from a illuminant device to diffuse to a predetermined direction. The lens body includes a base with a receiving slot having a downwards...
|
|
|
7864269 |
Liquid crystal display device switchable between reflective mode and transmissive mode by employing active reflective polarizer
A liquid crystal display (LCD) device that is switchable between a transmissive mode and a reflective mode is provided. The LCD device includes a backlight; an active reflective polarizer which...
|
|
|
7862190 |
Surface light source for emitting light from two surfaces and double-sided display device using the same
A surface light source device includes a light-emitting element which generates light, and a light guide plate which causes light emitted from the light-emitting element to be incident from an end...
|
|
|
7857471 |
Optical sheet having bonded prism and polarizer sheets and display device
The optical sheet includes a first lens sheet having a plurality of first three-dimensional structures arrayed to extend to one surface thereof, and a reflective polarizer sheet for transmitting...
|
|
|
7852560 |
Display incorporating reflective polarizer
A display includes a liquid crystal display panel, an optical cavity producing substantially collimated light and a birefringent reflective polarizer.
|
|
|
7845800 |
Polarization converting element and projector provided with same
A polarization converting element includes: a main body that is made from a transparent member; an incident section that is provided to the main body, and upon which light generated from a light...
|
|
|
7841730 |
Light source device and crystal display device
A light source comprising sidelight type backlight light guide plate (L), wherein a transmittance angle dependent layer (T1) which transmits normally incident light and reflects obliquely incident...
|
|
|
7837357 |
Combined illumination and imaging system
An illumination system has a light source, an optical train, and a wavelength beam splitter. The optical train focuses light from the light source into a defined geometrical pattern on a surface....
|
|
|
7824090 |
Optical sheet and backlight unit using the same
An optical sheet and a backlight unit using the same are disclosed, in which deviation of a viewing angle is minimized to improve picture quality. The optical sheet includes a diffusion sheet...
|
|
|
7819557 |
Encapsulant shapes for light emitting devices lacking rotational symmetry designed to enhance extraction of light with a particular linear polarization
The light-emitting device includes a light source and a transparent encapsulating material that is shaped to modify the polarization anisotropy of light emitted by the light source in at least one...
|
|
|
7806538 |
Light source device and vehicle lighting device
An LED light source device can have a simple configuration which can easily create a desired light distribution pattern with a low profile and light weight. An illumination apparatus and a vehicle...
|
|
|
7806537 |
Light guide plate having orthogonal stresses or strains and backlight module therewith
A backlight module includes a light guide plate (52), a light source (51), a reflecting sheet (53), a diffusion sheet (54), and a reflective polarizing beam splitter (57). The light guide plate...
|
|
|
7806539 |
Transreflectors, transreflector systems and displays and methods of making transreflectors
Optical assembly includes a hollow backlight having at least one light input edge and at least one light source positioned adjacent to the at least one light input edge. A back reflector is...
|
|
|
7798660 |
Surface illumination apparatus, and liquid crystal display with the same
A surface illumination apparatus includes: a light source; an end-surface light-guide portion which guides light emitted from the light source in a long-side direction thereof and generates emitted...
|
|
|
7784954 |
Polarization sensitive light homogenizer
The present invention provides a polarization-sensitive light homogenizer and a backlight and display using the same. The homogenizer improves the spatial luminance and color uniformity, increases...
|
|
|
7787074 |
Optical sheet, backlight unit, and liquid crystal display
An optical sheet, a backlight unit including the optical sheet, and a liquid crystal display including the backlight unit may be provided. The optical sheet may include a reflective polarizing...
|
|
|
7780304 |
Smoked lens for vehicle
A vehicle instrument cluster lens assembly for achieving a desired smoked lens effect in a vehicle instrument panel includes a first layer having an associated polarizing orientation for...
|
|
|
7766495 |
Reflector shapes for light emitting diode-polarized light sources
A light-emitting device including a light source that exhibits polarization anisotropy and a reflector that is shaped so that for light emitted in at least two directions from the light source, the...
|
|
|
7748859 |
Backlight module having grating plate and liquid crystal display with same
A backlight module (1) includes a light source (121), a light guide plate (122) and a grating plate (123). The light guide plate includes a light incident surface (1221), a bottom surface (1223)...
|
|
|
7736029 |
Lens array and illumination module
A lens array includes a first lens group with rows of first lenses having first optical surfaces, a second lens group with rows of second lenses having second optical surfaces, and a reference...
|
|
|
7738170 |
Projection system
Provided is a projection system capable of obtaining a sharp contrast without being influenced by an ambient light, the projection system including a projection screen, containing a substrate and a...
|
|
|
7731366 |
Stress birefringence compensation in polarizing beamsplitters and systems using same
An optical system is provided. The optical system comprises a first polarizing beamsplitter (PBS), a first reflecting image-forming device, and a first quarter-wave retarding element. An optical...
|
|
|
7726865 |
Backlight unit and liquid crystal display device
A backlight unit includes a prism sheet (an optical path changing portion and a light gathering portion) having lenses and being disposed to face an output surface of a light guide member, and a...
|
|
|
7729607 |
Camera glare reduction system and method
Various image-capturing systems are disclosed that use polarized filters to reduce or control glare effects on captured images. In one embodiment, the system includes a light source, a first...
|
|
|
7717578 |
Multiple lamp illumination system with polarization recovery and integration
An illumination system is provided for combining two or more light sources. A plurality of light sources radiate random polarization light. A plurality of collecting light pipes corresponds to the...
|
|
|
7712908 |
Light-transmitting film, method of forming light-transmitting film, and liquid crystal display
A light-transmitting film that has a predetermined polarization split function, in addition to a light-collecting function is provided. The index of refraction nx in a prism extension direction and...
|
|
|
7714944 |
Projection system
The main object of the present invention is to present a projection system excellent in visibility from inside of projection system to outside, and capable of obtaining a sharp contrast display...
|
|
|
7692861 |
Illumination systems
Described are illumination systems whereby light spectra from multiple LEDs of various colors can be combined and polarized with minimal components, while substantially reducing the losses for the...
|
|
|
7661833 |
Light guide device and backlight module therewith
A light guide device (52) includes a light guide substrate (520) and a sub-wavelength grating (527). The light guide substrate has a light input surface (521), a light output surface (522) adjacent...
|
|
|
7661834 |
Lighting unit for producing linearly polarized light directed onto a target surface
Lighting unit for producing linearly polarized light directed onto a target surface comprising a source unit producing light in the visible spectral range, and an optically translucent polarizing...
|
|
|
7633679 |
Polarizing turning film
A light redirecting article redirects light toward a target angle. The light redirecting article is made from a material having a refractive index greater than 1.6. The light redirecting article...
|