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Match Document Document Title
7422353 Light-emitting device for image taking and image-taking apparatus having same  
A light-emitting device is disclosed which enables efficient use of luminous flux and achieves a desired light emission characteristic. The light-emitting device has an optical member which has an...
7419292 Illuminating device  
An illuminating device includes a light source, an optical waveguide that emits light from the light source through an emission surface thereof, and a prism sheet that is provided on the emission...
7413335 Prism sheet and backlight unit including the same  
The present invention relates to a prism sheet having a side which is perpendicular to the normal of a light guiding plate. The prism sheet includes a prism sheet base film and a plurality of...
7410280 Light guide for lighting vehicles, preferably motor vehicles  
The present invention relates to a light guide for lighting vehicles, preferably motor vehicles. Light rays emitted from the light source of the light guide are reflected off of reflecting surfaces...
7401967 Prism sheet and backlight module incorporating same  
A prism sheet ( 10 ) includes a substrate ( 12 ) and a plurality of prism structures ( 14 ). The substrate includes a plurality of diffusing particles ( 122 ) dispersed therein. The prism...
7401962 Light deflection element and light source apparatus using the same  
A surface light source apparatus includes a primary light source ( 1 ), an optical guide ( 3 ) for guiding light emitted from the primary light source and having a light incoming surface ( 31 ) and...
7377680 Light spreading device and backlight module utilizing the same  
A light spreading device and a backlight module utilizing the same. The backlight module includes a light guide, a plurality of point lights, and a plurality of light spreading devices. The light...
7360936 Method and system of LED light extraction using optical elements  
A light extraction plate can be used with a light emitting diode (LED) to efficiently extract and provide control over the spatial distribution of extracted light in terms of intensity and angle....
7360902 System and method for light source modulation  
In one embodiment, a method for modulating light in an image display system includes generating a plurality of light beams. The amount of light beams that are received by a modulator is selectively...
7359119 Optical arrangement for pre-processing primary illumination light  
An optical arrangement for pre-processing primary illumination light is proposed, wherein a provided spectral processing section (P) comprises a multi-prism assembly ( 10 ) consisting of a...
7357511 Stress birefringence compensation in polarizing beamsplitters and systems using same  
Some projection systems use a polarization beamsplitter (PBS) for coupling light to and from an image-forming device. The PBS is typically formed with a reflective polarizing layer disposed between...
7354179 Prism set and light emitting apparatus using the same  
A prism unit includes a first prism having a first incident face and a first refraction face that is adjacent to and that cooperates with the first incident face to define a first angle ranging...
7347599 Etendue-squeezing illumination optics  
In some embodiments, an apparatus for use generating illumination is provided that comprises a reflective base, a first light source positioned proximate the reflective base, and a reimaging...
7334920 Backlight module  
A backlight module ( 20 ) includes a plurality of light sources ( 24 ) and an optical sheet ( 21 ). The optical sheet includes a light incident surface ( 211 ), a light emitting surface ( 212 ),...
7330315 Light-redirecting optical structures  
A plurality of microstructures is provided, with each microstructure having at least a first side and at least a second side terminating at a peak. At least some of the peaks can include an...
7320538 Optical film having a structured surface with concave pyramid-shaped structures  
Optical films are disclosed, which have a structured surface including a plurality of concave pyramid-shaped structures, each structure having a base including at least two first sides and at least...
7316498 Faceted optical substrate and method of fabricating a faceted optical substrate and a backlight display comprising the faceted optical substrate  
There is provided an optical substrate. The optical substrate includes at least one prism structure. Each of the at least one prism structures has a first surface characterized by a first surface...
7309149 Prism sheet, backlight assembly and liquid crystal display device having the same  
A prism sheet, a backlight assembly having the prism sheet, and an LCD device having the prism sheet, the prism sheet includes a first surface, a second surface and a reflecting member. A light is...
7303323 Backlight assembly of liquid crystal display  
A backlight assembly of an LCD is provided. The backlight assembly includes a lamp for generating a light, a light guide plate disposed at a side of the lamp, for guiding the light, and a diffusion...
7292767 Light guide plate and back light system using same  
A back light system ( 2 ) includes a light guide plate ( 20 ) and light sources ( 21 ). The light guide plate includes an optical output surface ( 203 ), a bottom surface ( 202 ) opposite to the...
7290921 Light guide plate including sub-scattering-dots  
A light guide plate ( 300 ) includes a light incidence surface ( 310 ) for receiving light beams, a light-emitting surface ( 320 ) for guiding light beams out of the light guide plate, and a bottom...
7290902 Direct-type backlight  
The present invention provides A direct-type backlight having: a resin sealing member including at least one resin layer, which has a light reflecting section formed on the outermost surface of the...
7281833 LED vehicle lamp including reflector with paraboloidal sections  
A vehicle lamp includes a set of alternatively provided first and second reflection surfaces that reflect the light emitted by a first and second respective diodes toward a lamp lens. Each of the...
7280275 High efficiency beam distribution with independent wavefront correction  
A beam distribution apparatus includes a stack of parallelogram prisms and beam-splitting coatings each located between opposing parallel faces of adjacent parallelogram prisms. The stack is...
7261444 Arrangements and methods for connecting decorative ornaments  
Arrangements and methods for connecting and mounting decorative ornaments, for example, beads, crystals, or gems, are disclosed. The arrangements and methods are particularly useful in mounting...
7261435 Light fixture and lens assembly for same  
A light fixture or troffer for directing light emitted from a light source toward an area to be illuminated, including a reflector assembly within which the light source is positioned and a lens...
7252427 Light guide plate having V-cut grooves and a liquid crystal display using the same  
A light guide plate ( 10 ) includes a bottom surface ( 11 ), a light incident surface ( 12 ) adjacent to the bottom surface, a light emitting surface ( 13 ) opposite to the bottom surface, and a...
7232250 Prism sheet  
A prism sheet for a LCD backlight module is provided. The prism sheet contains a base layer and a prism layer formed on a side of the base layer. The prism layer contains multiple parallel...
7226197 Surface light source device and light guide used therefor  
A light guide which guides light emitted from an LED includes a light incident end surface for receiving light, a light outputting surface for outputting a guided light, and a lens forming surface...
7220038 Light source device and light polarizing element  
A light source device, comprising a light guide ( 3 ) having two light incident surfaces opposed to each other for receiving incident light radiated from a primary light source and a light outgoing...
7220026 Optical film having a structured surface with offset prismatic structures  
The present disclosure is directed to optical films having a first surface and a structured surface, the structured surface comprising a plurality of prismatic structures. Each prismatic structure...
7210836 Display unit and electronic apparatus with display unit  
A display system includes respective light sources disposed at two opposed light input ends of a light guiding plate. A double-sided prism sheet is disposed on a light-emitting side of the light...
7199930 Light modulation element  
The present invention discloses a light modulation element, having a first optical surface and a second optical surface receiving an incident light, the light modulation element comprising: at...
7182482 Light device, particularly a light panel for road signs or information to the public, or a motor-vehicle light  
A light device, for example in the form of a light panel for road signals or in the form of a motor-vehicle light, comprises an array of light sources, such as LEDs or the like. Associated to each...
7165867 Systems and methods for integrating light  
A light integrating system includes at least one total internal reflection (TIR) prism and a light integrating device disposed to collect and homogenize light exiting from the TIR prism.
7164842 Backlighting device  
A backlighting device includes a light guide plate having a first side and a second side opposite to the first side, and a point light source to generate light incident on the first side of the...
7164536 Optically coupled toroidal lens:hemi-bead brightness enhancer for total internal reflection modulated image displays  
A brightness enhancing structure for a reflective display. A plurality of transparent hemi-beads form a film substantially covering and protruding inwardly from the structure's inward surface. A...
7163315 Backlight module  
According to the backlight module in the present invention, a plurality of reflective members is used in this module to reflect light from lamps. Each lamp is arranged between any two adjacent...
7153017 Light deflection element and light source apparatus using the same  
A surface light source apparatus includes a primary light source ( 1 ), an optical guide ( 3 ) for guiding light emitted from the primary light source and having a light incoming surface ( 31 ) and...
7147358 Cover removal tab for optical products  
An optical product comprised of an optical film and a protective cover has a cover removal tab attached along one edge. The cover removal tab allows the protective cover to be easily and...
7128435 Luminaire  
A ceiling-mounted luminaire having a bent lens that has a horizontal portion for directing light downward, and a bent or diagonal portion for directing diagonally light toward an adjacent wall. The...
7126653 Liquid crystal picture screen with collimator having microprisms  
The invention relates to a liquid crystal picture screen provided with a background lighting system which comprises at least one light source and a collimator formed by hourglass-shaped...
7125141 Apparatus for homogeneously distributing lights  
An apparatus for homogeneously distributing lights includes a light guide plate, an incidence microstructure and an emergence microstructure. The incidence microstructure is arranged on a surface...
7125131 Brightness enhancement film with improved view angle  
A structural shape on the surface of an optical substrate is such that the brightness of diffuse light departing from the surface of the optical substrate at certain off axis angles is reduced, at...
7121709 Surface light source device, diffusion plate and liquid crystal display device  
A point-light-source type light emitting portion faces a light incident face located at a corner portion of a light guide plate. A light diffusion pattern for emitting the light in the light guide...
7104679 Backlight unit  
There is provided a backlight unit that is capable of making it possible to highly condense light while simultaneously reducing costs. A backlight unit according to an embodiment of the present...
7101063 Systems and methods for integrating light  
A light integrating system includes at least one total internal reflection (TIR) prism and a light integrating device disposed to collect and homogenize light exiting from the TIR prism.
7090389 Method of selecting a light redirecting film  
The method of selecting a light redirecting film or optical panel includes the steps of providing a length of film or substrate having a pattern of optical elements that varies, then selecting an...
7066635 Light conductor, lighting apparatus, and liquid crystal display  
Light is input into an incident surface portion from a fluorescent lamp, and most of the light propagates in repetition directions. Since a length of an emission portion of the fluorescent lamp is...
7063448 Backlight assembly and liquid crystal display apparatus having the same  
A backlight assembly has a light diffusion member including a diffusion layer for diffusing first light emitted from at least one lamp and a light path modulation layer formed on the diffusion...
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