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8174640 |
Illumination apparatus and liquid crystal display apparatus
An illumination apparatus is disclosed. The illumination apparatus includes a polarization plate, a light source, and a light transmission film disposed between the polarization plate and the light...
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8164738 |
Illumination optical system, exposure apparatus, and device manufacturing method
In an illumination optical system arranged to illuminate an illumination target plane by using light from a light source, the illumination optical system includes a prism unit arranged to refract...
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8157429 |
Optical sheet having offset condensing and reflecting elements and display device having the same
An optical sheet includes a base layer, a light-condensing layer and a plurality of light-reflecting portions. The light-condensing layer includes a plurality of light-condensing portions formed on...
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8116019 |
Illumination system
An illumination system including at least one coherent light source, a light uniforming element, and a prism is provided. The coherent light source is capable of emitting a coherent beam. The light...
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8113705 |
Optical plate, backlight assembly and display device including the same
Provided is an optical plate that resolves white screen generation while maintaining emission brightness, a backlight assembly and a display device including the same. The optical plate is a light...
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8098347 |
Stereoscopic 3D liquid crystal display with graded light guide light extraction features
A backlight for a stereoscopic 3D liquid crystal display apparatus includes a light guide having a light emission surface and an opposing light extraction surface, a first side extends between the...
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8096693 |
Light guide plate and backlight unit
A light guide plate includes: a plate surrounded by two main surfaces and a plurality of end surfaces connecting the main surfaces, one of the end surfaces designated as an entrance surface, one of...
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8092068 |
Light redirecting films and film systems
Optical assembly includes a generally planar light output surface located on a first major plane, and a generally planar second surface located on a second major plane approximately parallel to the...
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8089697 |
Prismatic laminate and method for making the same
A method for making a prismatic laminate includes the steps of: a) forming a back-coating roller having a roller surface with a plurality of recesses arranged in a predetermined pattern and...
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8087793 |
Back-light assembly
A back-light assembly for uniformly illuminating large area displays. The back-light assembly includes a uniformly thin waveguide, a reflector and a plurality of light sources evenly distributed...
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8079734 |
Lighting device
A lighting device includes a light source, first and second beam-directing prism elements, and a transmission device. The light source emits a light beam. The first beam-directing prism element is...
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8075174 |
Light guide plate microstructure
A light guide plate microstructure is provided. The light guide plate microstructure is located on at least one surface of the light guide plate and has a plurality of groove units. Each groove...
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8075167 |
Optical film and illuminating device having the same
An optical film and an illuminating device having the optical film are provided. The optical film may include a first surface including a plurality of peaks and valleys formed from the plurality of...
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8070342 |
Electronic apparatus and illuminating device having a translucent member with incident lines of protrusions
A light emitting element is mounted on the surface of a board. The light emitting element emits light. The light passes through a translucent optical member. The light enters the translucent...
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8061877 |
Prism sheet having parallelogram microstructures
An exemplary prism sheet includes a transparent main body. The transparent main body includes a first surface and a second surface. The first surface and the second surface are on opposite sides of...
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8057073 |
Light pipe and illuminating device having the same
A light pipe and an illuminating device having the light pipe are provided. The light pipe may include an optical film in a rolled shape to have a hollow conduit and a supporter surrounding a...
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8042975 |
Plano-fresnel LED lens and LED assembly thereof
A plano-Fresnel LED lens and a LED assembly thereof are revealed. The lens is a Fresnel lens whose optical surface on the forward side thereof is a plano surface having saw teeth with vertical...
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8035771 |
Stereoscopic 3D liquid crystal display apparatus with structured light guide surface
A stereoscopic 3D liquid crystal display apparatus includes a liquid crystal display panel, a backlight positioned to provide light to the liquid crystal display panel, and a double sided prism...
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8023193 |
Illumination system
An illumination system including at least one coherent light source, a light uniforming device and a lenticular sheet module is provided. The coherent light source is capable of emitting a coherent...
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8023068 |
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 are provided. The optical sheet includes a base film including a first...
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8016475 |
Prismatic film backlight
A selectively light-reflecting sheet (30) includes a prismatic film (1) with parallel prisms (10) on its face, a low-index film (3) on the prisms and a layer (5) on the low-index film, this layer...
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8013950 |
Optical sheet combination structure, surface emitting device, and liquid crystal device
An optical sheet combination structure disposed between a polarizer and a surface emitting unit, includes a first optical sheet having a number of columnar cubic structures of curing resin arrayed...
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8007138 |
Lighting device
A lighting device can be configured to prevent light beams emitted from a light source from passing through an outer peripheral surface of a lens and from being projected outside of the...
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7997783 |
Front light unit with prisms structure and display apparatus having the same
The front light unit includes a light source and a light guide plate that guides light emitted from the light source. The light guide plate includes a rear surface through which the guided light is...
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7997771 |
LED array systems
A light emitting diode (LED) array comprises an array of LEDs mounted to a substrate. The LEDs emit light in a direction generally perpendicular to the substrate. An optical sheet is disposed over...
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7993020 |
Optical plate having triangular pyramidal depressions and backlight module using the same
An optical plate includes a light output surface and a bottom surface opposite to the light output surface. The light output surface defines a plurality of triangular pyramidal depressions and a...
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7995298 |
Illumination system
An illumination system including at least one coherent light source, a light uniforming element, and a prism is provided. The coherent light source is capable of emitting a coherent beam. The light...
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7972052 |
Backlight unit
A backlight unit including a light guide panel which has opposite upper and lower faces, and guides light, introduced into an inside thereof, between the upper and lower faces through internal...
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7967462 |
Backlight assembly for liquid crystal display apparatus having inclined light emmitting elements
A light source includes a plurality of light emitting elements, and each light emitting element is disposed in such a manner that a direction of an optical axis of the light emitting element having...
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7967479 |
LED signal with lens for sun phantom effect reduction
An LED signal that includes a lens having an optical segment configured to direct at least some of the incoming generally collimated light rays from the sun passing through the lens away from an...
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7957082 |
Turning film having multiple slopes
The present invention provides a light redirecting article for redirecting light toward a target angle, the light redirecting article comprising: an input surface comprising a plurality of light...
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7931396 |
Backlight and display
A backlight is provided for illuminating an at least partially transmissive display. The backlight includes a light source. A light guide receives the light from an edge surface and guides the...
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7926996 |
***WITHDRAWN PATENT AS PER THE LATEST USPTO WITHDRAWN LIST***
Electronic apparatus and illuminating device having a translucent member with incident lines of protrusions
A light emitting element is mounted on the surface of a board. The light emitting element emits light. The light passes through a translucent optical member. The light enters the translucent...
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7926962 |
Portable electronic device
A portable electronic device includes a main body, a camera positioned in the main body, a fill-in light emitting unit positioned in the main body adjacent to the camera, and an optical lens...
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7929213 |
Prism sheet
An exemplary prism sheet includes a transparent main body. The transparent main body includes a first surface and a second surface. The first surface and the second surface are on opposite sides of...
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7914179 |
Optical plate with V-shaped protrusions on both sides and backlight module using the same
An optical plate includes a first surface and a second surface opposite to the first surface. A plurality of elongated, arc-shaped depressions is defined in the first surface. A plurality of first...
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7891856 |
Optical film
The subject invention provides an optical film comprising a transparent substrate and a structured surface layer, wherein the structured layer is positioned on the upper surface of the substrate...
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7887221 |
Diffuser with light condensing function
One face of a substrate of a diffuser with a light condensing function is disposed with a plurality of prism rods; at least one inclined face of parts of prism rods is disposed with a rough...
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7866855 |
Luminaire reflector having improved prism transition
A reflector (14) for a luminaire comprises a generally parabolic wall (28) having series of main right-angled prisms (16) and an interleaved series of transition prisms (18). The main and...
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7862192 |
Lighting device
A lighting device includes a housing, a plurality of LEDs arranged on a base of the housing, and a first optical plate positioned above the LEDs. The first optical plate includes a light input...
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7864267 |
Optical sheet and display unit
An optical sheet capable of eliminating rapid lowering of the luminance view angle while minimizing the lowering amount of the front luminance, or while avoiding the lowering of the front luminance...
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7857475 |
Direct-type backlight device
Provided is a direct-type backlight device having a sufficient luminance in a front direction and capable of suppressing a luminance unevenness on a light emitting plane with a reduced electric...
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7859611 |
Diffuser prism sheet having amorphous light diffusers on prism valleys, backlight unit using the same, mold, and associated methods
A diffuser prism sheet includes a transparent base film having a first surface and a second surface, a light refractor at the first surface of the base film, the light refractor including a...
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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...
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7837359 |
Lens system for LED lights
An optical device for distributing light produced by a white LED or other light-producing device includes a lens portion that refracts the light to provide a desired light intensity distribution,...
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7830629 |
Prism sheet
An exemplary prism sheet includes a transparent main body. The transparent main body includes a first surface and a second surface. The first surface and the second surface are on opposite sides of...
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7819558 |
Transreflectors, transreflector systems and displays and methods of making transreflectors
Light emitting assembly includes at least one film, sheet, plate or substrate positioned between a light source and a display for redirecting at least some of the light emitted by the light source....
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7802905 |
Light diffuser plate
The present invention provides a light diffuser plate, the surface of which is less likely to be scratched, capable of laminating a film base material (3) with a high lamination strength. The light...
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7789548 |
Optical diffusion module having convex and concave portions arranged in a two dimensional array
An optical diffusion structure includes an optical diffusion structure comprising a plurality of convex portions and a plurality of concave portions. Each convex portion is adjacent to a plurality...
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7776424 |
Optical sheet
An optical sheet includes a substrate, a light diffusion layer formed on the substrate, and a light gathering layer formed on the light diffusion layer. The light diffusion layer includes a...
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