Class / Patent application number | Description | Number of patent applications / Date published |
362618000 | Film or coating | 22 |
20080205082 | Super-thin light-guiding module with a side light-projecting type function - A super-thin light-guiding module with a side light-projecting function includes: a transparent elastic element, at least one light-emitting element, a displaying layer, and an elastic filling layer. The transparent elastic element has a plurality of light-guiding microstructures formed on a bottom thereof. The light-emitting element is disposed beside one side of the transparent elastic element. The displaying layer is disposed on a top side of the transparent elastic element, and the displaying layer has a plurality of transparent portions. The elastic filling layer is disposed between the transparent elastic element and the displaying layer. Therefore, when the light-emitting element projects a light to the transparent elastic element, the light is guided upward via the light-guiding microstructures of the transparent elastic element for making the light pass through the elastic filling layer and the transparent portions of the displaying layer. | 08-28-2008 |
20080266901 | OPTICAL PLATE AND BACKLIGHT MODULE USING THE SAME - An exemplary optical plate includes at least one transparent plate unit. The transparent plate unit includes a light output surface, a bottom surface, a plurality of spherical depressions, a diffusion layer, and at least one lamp-receiving portion. The bottom surface is opposite to the light output surface. The diffusion layer is formed on the light output surface. The spherical depressions are formed at the bottom surface. The lamp-receiving portion is defined in the bottom surface. A backlight module using the present optical plate is also provided. | 10-30-2008 |
20080266902 | BACKLIGHT MODULE - A backlight module is provided, which comprises a light guide plate assembly comprising an upper light guide plate and a lower guide plate that are stacked together, at least one light source and a reflection film. The light source is disposed on at least one side of the light guide plate assembly with a light incident surfaces of the light guide plate assembly facing the light source. The reflection film is disposed below the light guide plate assembly. | 10-30-2008 |
20080285307 | LCD DISPLAYS WITH LIGHT REDIRECTION - A backlight apparatus for directing light toward a display panel and the resulting display device comprises a solid lightguide comprising opposite TIR surfaces, containing a desired pattern of light redirecting surface features located between the TIR surfaces and interrupting one of the TIR surfaces, the features having a refractive index differing from that of the solid material of the light guide. Such an apparatus provides a more even light distribution to the display. | 11-20-2008 |
20080304287 | Microstructure transfer medium and application thereof - The present invention discloses a microstructure transfer medium and application thereof to produce various microstructures on a film, glass substrate, plastic substrate, etc. for utilization in a variety of optical films of a backlight module, light guide plates, color enhancement film for liquid crystal displays, various patterned nanoimprint for semiconductor or flat panel display processes, and Fresnel lens. Furthermore, the microstructure transfer medium according to the present invention can be applied in producing microstructures on a non-planar surface. The microstructure transfer medium according to the present invention comprises a substrate and a release layer formed on the substrate wherein the release layer has microstructures thereon. Preferably, the surface energy of the release layer is lower than 30 dyne/cm. | 12-11-2008 |
20090067194 | Light guide with imprinted phosphor - A light guide includes a transparent sheet exhibiting total internal reflection in at least one direction and phosphor printed on the transparent sheet. The phosphor extracts light from the transparent sheet when the sheet is edge-lit and converts the light from one wavelength to another wavelength. The phosphor is pressed into the surface of the sheet after heating the surface to its softening temperature. | 03-12-2009 |
20090097273 | LIGHT GUIDE PLATE AND LIGHT-EMITTING APPARATUS - A light guide plate including a transparent light guide substrate and a micro-structural reflective film is provided. The transparent light guide substrate has a light-emitting surface, a bottom surface opposite to the light-emitting surface, and at least one light incident surface connecting the light-emitting surface and the bottom surface. The micro-structural reflective film is disposed below the bottom surface of the transparent light guide substrate and includes a micro-structural layer and a reflective material layer. The micro-structural layer has a plurality of micro-structures, and the reflective material layer covers the micro-structures of the micro-structural layer. Only top ends of the micro-structures and the reflective material layer are laminated on the transparent light guide substrate, such that there is an air gap between the transparent light guide substrate and the micro-structural reflective film. Furthermore, a light-emitting apparatus having the light guide plate is also provided. | 04-16-2009 |
20090154197 | OPTICAL FILM AND BACKLIGHT SYSTEM USING THE SAME - An optical film with a plurality of micro structures which are capable of collecting incident light to the frontal and normalized view angle of the optical film for reducing the chance of incident light returning to light guild plate so as to enhance light collecting efficiency is provided in the present invention. In an embodiment, the optical film is combined with a flat light source so as to form a backlight system. By means of the merit of the optical film, the quantities of the optical film can be reduced so that the backlight system can have characteristics of thin thickness and low production cost. | 06-18-2009 |
20090161385 | 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 positioned at or in close proximity to a first side of the hollow backlight for reflecting the light through the hollow backlight and out through a second side of the hollow backlight superimposed on the first side, and a reflective polarizer is positioned at or in close proximity to the second side of the backlight. | 06-25-2009 |
20090168457 | LIGHT-EMITTING PANEL - A light-emitting panel ( | 07-02-2009 |
20090185395 | BACK-LIGHT MODULE - A back-light module includes a light-guiding plate and a light source. The light-guiding plate has a lateral inlet surface. The light source is arranged at one side of the lateral inlet surface. The light source has a plurality of light-emitting diodes which are disposed in a line and at interval. A gap is formed between the adjacent light-emitting diodes. The lateral inlet surface dispose a plurality of convex lenses, each of the convex lenses has a convex surface facing to the corresponding gap between the adjacent light-emitting diodes. | 07-23-2009 |
20100103700 | Light source module - A light source module includes at least one light emitting device and a focus adjustable lens array. The light emitting device is adapted to emit a light beam, the focus adjustable lens array is disposed in the transmission path of the light beam and includes a plurality of focus adjustable lenses arranged in an array. Each of the focus adjustable lenses includes a first light transmissive plate disposed in the transmission path of the light beam, a first electrode disposed on a peripheral area of the first light transmissive plate, a second light transmissive plate disposed in the transmission path of the beam, a second electrode disposed on a peripheral area of the second light transmissive plate, and a focus adjustable solution disposed between the first light transmissive plate and the second light transmissive plate. The focus adjustable solution includes a solvent and an electrotaxis solute. | 04-29-2010 |
20100265739 | LIGHT-DIFFUSING SHEET AND BACKLIGHT DEVICE USING SAME - A light-diffusing sheet which can prevent generation of scratches on the surface of the light-diffusing sheet or a surface of another member contacting with the light-diffusing sheet at the time of being used as a constituent member of a backlight unit of a liquid crystal display or transportation thereof, and also can exhibit the light-diffusing performance is provided. The light-diffusing sheet of the present invention has a light-diffusing layer comprising microparticles, wherein the light-diffusing layer has a surface showing a maximum peak height (Rp) of 8.0 μm or higher in a roughness curve determined by three-dimensional surface profilometry, and mean particle size (φ) of the microparticles contained in the light-diffusing layer and thickness (d) of the light-diffusing layer satisfy the relationship: φ/d≦0.7. | 10-21-2010 |
20120287675 | IMAGE DISPLAY APPARATUS - An image display apparatus includes an image forming device, a collimating optical system, and an optical device. The optical device includes a light guide plate, a first deflecting member that deflects light incident on the light guide plate, and a second deflecting member that deflects the light, which propagates in the light guide plate by total reflection, a plurality of times. The first and second deflecting members are provided in the light guide plate. Light having one wavelength emitted from at least one pixel satisfies the following condition: | 11-15-2012 |
20130039094 | PATTERNED GRADIENT POLYMER FILM AND METHOD - The present disclosure generally relates to patterned gradient polymer films and methods for making the same, and more particularly to patterned gradient optical films that have regions that include variations in optical properties such as refractive index, haze, transmission, clarity, or a combination thereof. The variation in optical properties can occur across a transverse plane of the film as well as through a thickness direction of the film. | 02-14-2013 |
20130250618 | LIGHT EMITTING DEVICE WITH LIGHT MIXING WITHIN A FILM - In one embodiment, a light emitting device comprises an array of legs extending from a body of film with the bounding edges of the legs stacked, a first light source emitting light of a first color and a second light source emitting light of a second color into the stacked bounding edges where the light emitting region defined within the body is configured to extract light of a third color. In another embodiment, a light emitting device comprises three light sources positioned to direct light into a stacked array of bounding edges. In one embodiment, a method of generating light of adjustable color exiting a surface of a film is disclosed. | 09-26-2013 |
20130279202 | Efficient Side-Light Distribution System - Improved side-light distribution systems are disclosed. One exemplary system includes a light source and a side-light distribution member. The light source supplies light to the side-light distribution member having (1) an net port on the first end of the member for receiving the light and (2) a second end having a reflective means. The inlet port consists of part of the surface area of the first end of the member. The reflective means associated with the second end of the member receives light from the first end and directs light towards the first end. At least part of a surface area of the first end of outside of the inlet port includes a reflective means for receiving the light from the second end and directing the light towards the second end of the rod. | 10-24-2013 |
20140268879 | TRANSPARENT WAVEGUIDE DIFFUSER FOR LIGHTING AND METHODS OF MANUFACTURING TRANSPARENT WAVEGUIDE DIFFUSER - A waveguide light diffuser panel is disclosed that diffuses source lights and transmits ambient light. Conventional waveguide light diffusers diffuse all light and therefore provide a hazy outcome. In manufacturing a waveguide transparent diffuser, a printing method, such as inkjet printing, may be used. In this method, dot micro-lenses are formed on one side of a panel, which cover a portion of the panel in a staggered or random arrangement. The other side of the panel is coated with an anti-reflective material, or the shape of the panel may be concave. The dot shape is designed for efficient reflection of the incident light, as opposed to conventional hazy diffusers in which the reflection efficiency is low. High reflection efficiency in this case compensates for the reduced dot coverage. | 09-18-2014 |
20150355401 | PATTERNED GLASS LIGHT GUIDE AND DISPLAY DEVICE COMPRISING THE SAME - Disclosed herein are glass light guides comprising a first surface, an opposing second surface, and at least one edge, wherein the first surface is patterned with a plurality of color converting elements, and wherein the second surface is optionally patterned with a plurality of light extraction features and/or color converting elements. Also disclosed herein are display devices comprising such glass light guides. The display devices may further comprise a thin-film transistor (TFT) having a coefficient of thermal expansion (CTE) substantially similar to the CTE of the glass light guide. | 12-10-2015 |
20150378082 | LIGHT GUIDE PLATE, BACKLIGHT MODULE, AND DISPLAY DEVICE - The present invention discloses a light guide plate, a backlight module and a display device, so as to solve the technical problem of color shift generated in prior art display panel due to the change of angle of view. The light guide plate comprises a bottom surface, a light exiting surface opposite to the bottom surface, and a quantum dot layer provided on the light exiting surface and comprising a quantum dot array, wherein the light exiting surface has a non-planar structure. Embodiments of the present invention provide following advantageous effects: the quantum dots on the surface of the light guide plate are configured to have a non-planar structure, such that the light transmitted through the spacing between quantum dots and having the same spectrum as the quantum dots is smoothly changed, thereby reducing the affection of color shift of the display device due to the change of angle of view. | 12-31-2015 |
20160131817 | METHOD FOR PRODUCING LAMINATE, LAMINATE, LIGHT GUIDE BODY FOR LIGHT SOURCE DEVICES, AND LIGHT SOURCE DEVICES - A laminate which is provided with a core layer, a first cladding layer, a second cladding layer and a light output means, and wherein the second cladding layer, the core layer and the first cladding layer are sequentially laminated. The refractive index of the first cladding layer and the refractive index of the second cladding layer is lower than the refractive index of the core layer. The light output means is composed of a recess that penetrates through the first cladding layer and reaches the inside of the core layer, and the curvature radius of the forefront part of the recess is 10 μm or less. | 05-12-2016 |
20170235115 | LIGHT TRAPPING OPTICAL STRUCTURE | 08-17-2017 |