Class / Patent application number | Description | Number of patent applications / Date published |
362616000 | Plural or compound | 37 |
20080205081 | Luminaire with Stack of Flat Panel Light Guides - A luminaire comprising a transparent light guiding structure ( | 08-28-2008 |
20080239753 | TRANSREFLECTORS, TRANSREFLECTOR SYSTEMS AND DISPLAYS AND METHODS OF MAKING TRANSREFLECTORS - The transreflectors may comprise a transparent substrate having reflective surfaces and other light transmissive surfaces for respectively reflecting and transmitting a greater portion of the light striking opposite sides of the substrate. Alternatively, the transreflectors may comprise two or more transparent substrates of different indices of refraction bonded together, with a pattern of optical deformities in the mating side of one of the substrates and an inverse pattern of optical deformities in the mating side of an other substrate in mating engagement with each other. The transreflectors are used in a transreflector system or display to transmit more of the light emitted by a backlight or other light source incident on one side of the transreflectors and reflect more of the light incident on the opposite side of the transreflectors. The transreflectors and backlight may be tuned to each other to enable the transreflectors to better transmit more of the light emitted by the backlight. | 10-02-2008 |
20080291694 | PLANAR LIGHT SOURCE DEVICE AND DISPLAY DEVICE - The present invention is aimed to obtain a highly reliable planar light source device even when an ambient temperature is high, without lowering brightness of the planar light source device. A planar light source device of the present invention includes a light source (point light source), a first light guide plate having an incident surface and an emitting surface for emitting planar light, and a second light guide plate having an incident surface opposing to the light source (point light source) and an emitting surface opposing to the incident surface of the first light guide plate, wherein a distance from the incident surface to the emitting surface opposite to each other of the second light guide plate (light guide distance) is not less than 1.5 mm. | 11-27-2008 |
20090027919 | BACKLIGHT MODULE - A backlight module including a back plate, a reflection sheet, a light guiding plate, a reflector, and a first light source and a second light source is provided. The reflection sheet is disposed on the back plate, and one end of the reflection sheet is bent to form a lamp reflector. The light guiding plate is disposed on the reflection sheet, and has a first side and a corresponding second side. A first containing space is formed between the first side of the light guiding plate and the lamp reflector. The reflector is disposed at the second side of the light guide plate, and a second containing space is formed between the second side of the light guiding plate and the reflector. The first light source and the second light source are disposed within the first and the second containing space, respectively. | 01-29-2009 |
20090040786 | SURFACE LIGHT SOURCE APPARATUS AND DISPLAY APPARATUS - An object is to provide a surface light source apparatus excellent in uniformity of brightness and chromaticity without being affected by variations in performance between point light sources, or a display apparatus using the surface light source apparatus. A surface light source apparatus according to the present invention includes a plurality of point light sources, a first light guide body that propagates light received from the plurality of point light sources and emits the same from an outgoing surface, and a second light guide body that receives the light emitted from the outgoing surface of the first light guide body at an incident surface to propagate, and emits the same from an outgoing surface substantially perpendicular to the incident surface, wherein at least some of the plurality of point light sources are arrayed in a direction substantially perpendicular to the outgoing surface of the first light guide body. | 02-12-2009 |
20090052207 | LIGHT SOURCE MODULE OF SCANNING DEVICE - A light source module of scanning device includes a first light guide rod, a second light guide rod, and a light emitting diode. The first light guide rod has a first incident surface and is disposed at a first end portion. The second light guide rod has a second incident surface and is disposed at a second end portion. The light emitting diode is disposed between the first end portion and the second end portion. | 02-26-2009 |
20090073720 | LIGHT GUIDING STRIP AND DOUBLE-SIDED PLANAR LIGHT APPARATUS - A light guiding strip and a double-sided planar light apparatus are provided. According to one embodiment of the present invention, the double-sided planar light apparatus includes a plurality of light guiding strips, wherein the plurality of light guiding strips are positioned in a planar arrangement, each of the plurality of light guiding strips including a first plurality of light emitting surfaces disposed toward a first direction and a second plurality of light emitting surfaces disposed toward a second direction, each of the plurality of light guiding strips further including a first end and a second end configured to receive light, wherein the plurality of light guiding strips emit light from the first and second plurality of light emitting surfaces. Reflectors and light diffusion patterns on the light guiding strips provide control and independence over the two sides of the planar light apparatus. | 03-19-2009 |
20090073721 | DISPLAY APPARATUS, MANUFACTURING METHOD THEREOF, PATTERN DISPLAY METHOD, BLIND APPARATUS, AND BLIND METHOD - This display apparatus | 03-19-2009 |
20090219734 | DISPLAY DEVICE - A display device has a light guide plate formed with a display pattern by a plurality of diffusion dots having translucency in a display pattern formed region, a light shielding layer, and a light source. A plurality of the light guide plates are arranged facing each other, and the light shielding layer is sandwiched between the light guide plates. Light from the light source is selectively introduced to one of the light guide plates to display the display pattern of the light guide plate. The light shielding layer has a surface facing an observer's side formed by a low reflectivity material and a surface facing a side opposite to the observer's side formed by a high reflectivity material. A region facing the display pattern of the light guide plate positioned on the side opposite to the observer's side than the light shielding layer is cut out. | 09-03-2009 |
20090231882 | Light guide module and a display device with the light guide module - A light guide module and a display device with the light guide module are disclosed. The light guide module includes a rigid light guide film and a soft light guide film. The soft light guide film is pasted on the rigid light guide film. The soft light guide film has a first surface, and a pattern is formed on the first surface. The area of the first surface without the pattern is pasted on the rigid light guide film. The pattern is positioned between the soft light guide film and the rigid light guide film. The display device includes at least one light guide module and a light source located at one side of the light guide module. When the light source is on, the pattern is lit and visible. | 09-17-2009 |
20090279324 | LIGHT GUIDE PLATE STRUCTURE - The invention discloses a light guide plate structure. The light guide plate structure includes a light-receiving surface, a light-emitting surface and a light-reflecting surface. The light-receiving surface receives emitting light from at least a light source, and the light propagating in the light guide plate exits through the light-emitting surface. The light-reflecting surface is opposite to the light-emitting surface for guiding the light that passes through the light-receiving surface to the light-emitting surface. The light-emitting surface and/or the light-reflecting surface include at least a composite structure. The composite structure includes a primary structure and a secondary structure where the secondary structure is disposed to a side of the primary structure. | 11-12-2009 |
20090290377 | BACKLIGHT MODULE AND LIGHT GUIDE PLATE - A backlight module includes a light guide plate and two light emitting elements for emitting light beams. The light guide plate includes first and second light guide portions and a connecting portion interconnecting the first and second light guide portions. The first light guide portion has two opposite first light incident surfaces at opposite sides thereof, and a first light output surface. The second light guide portion has a second light incident surface facing first light output surface of the first light guide portion. Each of the light emitting elements faces one of the first light incident surfaces of the first guide portion. The first guide portion receives the light beams via the first light incident surfaces and output them via the first light output surface. The second light guide portion receives the light beams from the first light output surface via the second light incident surface. | 11-26-2009 |
20090303745 | Display backlight - A backlight assembly includes an array of optical waveguides that are arranged in rows and columns. The array of optical waveguides has a planar upper surface substantially comprised of light exit facet of optical waveguides and spaced-apart lower surface substantially comprised of light input facet of optical waveguides. Backlight assembly also includes a light reflector panel that is spaced-apart from the lower surface of the array. Disposed between reflector panel and the lower light input facet of the optical waveguides are light sources. Light sources comprise light emitting diodes having 120 degree emission angles. | 12-10-2009 |
20100091520 | Light Guide Plate and Backlight Module using the same - A light guide plate has a light incident surface, a light emitting surface and a bottom surface. The bottom surface or the light emitting surface has a plurality of light guide units disposed thereon. Each of the light guide units has a first curved surface and a second curved surface connected with the first curved surface. Both of the first curved surface and the second curved surface are concave surfaces or convex surfaces. In a cross section perpendicular to the light incident surface and passing through the first curved surface and the second curved surface, the first curved surface and the cross section intersect in a first curved line, and the second curved surface and the cross section intersect in a second curved line. A curvature radius of the first curved line is greater than that of the second curved line. | 04-15-2010 |
20100124077 | SURFACE LIGHT SOURCE DEVICE, LIGHTING DEVICE AND IMAGE DISPLAY DEVICE - A surface light source device improves the quality of illumination without producing dark lines between neighboring light guide plates even when a plurality of light guide plates are used in combination. This surface light source device is formed by combining a plurality of LED/light guide plate units, and light guide plate ( | 05-20-2010 |
20100296314 | LIGHTING DEVICE AND DISPLAY DEVICE - A lighting device includes a plurality of light-transmitting guide plates | 11-25-2010 |
20110007524 | DISPLAY APPARATUS AND PLANAR ILLUMINATION APPARATUS - A display apparatus is provided which includes a plurality of transparent plates which are disposed to be superimposed and which allow entered light to pass therethrough and allow the light to exit through an exiting surface, light sources provided for the respective transparent plates to irradiate light onto a side end surface of each of the transparent plates, and a plurality of diffusion portions, each of which is formed on a surface of each of the transparent plates facing the exiting surface, and which diffuse light from the light sources such that a position of maximum luminance of light exiting from each of the transparent plates differs between the transparent plates. | 01-13-2011 |
20110038178 | PLANAR ILLUMINATION DEVICE - A planar illumination device includes: a light guide plate formed by arranging a plurality of unit light guide plates each having a light emission surface as a front surface and a reflection surface as a back surface so that facing end surfaces of adjacent unit light guide plates of the plurality of unit light guide plates are closely arranged; and one or two or more light sources arranged on a side surface, in a direction where the plurality of unit light guide plates are arranged, of each of the plurality of unit light guide plates, in which a projection section is arranged on one of facing surfaces of two adjacent unit light guide plates in the arrangement direction and a recession section in which the projection section is engaged is arranged on the other of the facing surfaces of the two adjacent unit light guide plates. | 02-17-2011 |
20110199789 | LIGHT SOURCE APPARATUS - A light source apparatus including a light source, an optical fiber, a light guide module, and a light shape adjustment element is provided. The light source emits a light beam. The optical fiber disposed in a transmission path of the light beam has a light incident end and a light emitting end. The light beam enters the optical fiber through the light incident end and leaves the optical fiber through the light emitting end. The light guide module has a first surface, a second surface opposite to the first surface, and a light incident surface connecting the first surface and the second surface. The light beam from the light emitting end enters the light guide module through the light incident surface. The light shape adjustment element is connected to the light guide module and capable of changing a light shape of an emitted light from the light guide module. | 08-18-2011 |
20110292684 | ILLUMINATION DEVICE, SURFACE ILLUMINANT DEVICE, AND LIQUID CRYSTAL DISPLAY DEVICE - A projecting part ( | 12-01-2011 |
20120008340 | DISPLAY APPARATUS AND METHOD FOR MANUFACTURING DISPLAY APPARATUS - A display device ( | 01-12-2012 |
20120020115 | Light Guide Board and Light Guide Key Board - A light guide board comprises: a buffer layer ( | 01-26-2012 |
20120044716 | MULTI-SEGMENTED LIGHT GUIDE FOR KEYPAD AND DISPLAY APPARATUS - A multi-segmented light guide for keypad and display apparatus has been disclosed. The light guide film may comprise a plurality of light segments configured to transmit light independently. The boundaries of the light segments may be defined by a plurality of micro-optic structures. The micro-optic structures may have a height at least half the thickness of the light guide. | 02-23-2012 |
20120069600 | Double-Sided Light-Emitting Light Guide Plate Assembly and Method for Manufacturing the Same - A double-sided light-emitting light guide plate assembly, and a method for manufacturing the same are disclosed, wherein a reflector is arranged between a first light guide plate and a second light guide plate. When light is emitted from a light source, it enters into the first light guide plate and the second light guide plate from one lateral side of the double-sided light-emitting light guide plate assembly. Through the reflector having two opposite reflective surface, the light is output from the first light output surface of the first light guide plate, and the second light output surface of the second light guide plate, such that the light guide plate assembly of the present invention can emit light from its two opposite surfaces. | 03-22-2012 |
20120134179 | MOSAIC LIGHT GUIDE PLATE STRUCTURE AND BACKLIGHT MODULE - Disclosed are a mosaic light guide plate structure and a backlight module. The mosaic light guide plate structure comprises at least two light guide plate units. Each of the light guide plate units comprises a first tilt face and a second tilt face with cooperation of at least one light-emitting unit. The first tilt face is positioned at a side of the light guide plate unit. The second tilt face is oppositely positioned to the first tilt face at the other side. The at least one light-emitting unit is positioned under the first tilt face. The present invention assembles adjacent tilt faces to form the light guide plate and changes the direction of light with the tilt faces for solving issues of length limitation for the light guide plate. Accordingly, the mosaic light guide plate structure of the present invention can be suitable for large-scale LCDs and realize local dimming. | 05-31-2012 |
20130010498 | LIGHT GUIDE PLATE AND A BACKLIGHT DISPLAY MODULE - The present invention provides a light guide plate. The light guide plate comprises at least two daughter light guide plates and a connection member. Each daughter light guide plate disposes two locating posts respectively on two sides thereof, which can be engaged with the connection member to make the two daughter light guide plates be interconnected so that forming one large area light guide plate. The present invention also relates to a backlight display module. The light guide plate and the backlight module of the present invention has a less manufacture difficulty and a low transportation cost and can realize the use of the large area light guide plate, so that avoiding the problems of the large area light guide plate being difficult to be manufactured and having the high transportation cost in the prior art. | 01-10-2013 |
20130100702 | BACKLIGHT UNIT AND LIQUID CRYSTAL DISPLAY DEVICE - Disclosed is a backlight unit in order to suppress an increase of time needed for manufacture and generation of operation variance, and furthermore, to suppress deterioration and unevenness of luminance of output light. A plurality of transparent light guide plates ( | 04-25-2013 |
20130229828 | DISPLAY DEVICE OF ELECTRICAL APPARATUS - A display device of an electrical apparatus includes a first illumination module, a second illumination module and a circuit board. The circuit board is parallel with the first illumination module and the second illumination module. A first edge of the circuit board is inserted into a gap between the first illumination module and the second illumination module. Consequently, the first light beam from the first illumination module and the second light beam from the second illumination module are blocked by the first edge of the circuit board. | 09-05-2013 |
20140029304 | SIDE-EDGE BACKLIGHT MODULE HAVING NON-UNIFORMLY SIZED BACKLIGHT SECTIONS AND DESIGN METHOD THEREOF - The present invention relates to a side-edge backlight module having non-uniformly sized backlight sections and a design method thereof. The backlight module includes backlight sections that have relative sizes satisfying the condition that the backlight sections have higher ranks are of greater sizes. Ranking the backlight sections is made by conducting an simulation operation for a process of sectionalized lighting of backlight to display liquid crystal panel signals on the basis of uniformly sized backlight sections and conducting analysis of the number of zones where an interference signal appears and distance of the interference signal when each of backlight sections is lit in the simulation operation on the basis of uniformly sized backlight sections and ranking the backlight sections according to strength of cross-talking caused by the interference signal so that a backlight section having less strong cross-talking is set with a higher rank. | 01-30-2014 |
20140049988 | LIGHT DEFLECTION FILM - A light deflection film is provided, which includes an incident surface including a plurality of first prism structures, and an emission surface including a plurality of second prism structures. The first prism structure includes a first surface and a second surface, a first angle between the first surface and an X-axis is 0 to 20 degree, a second angle between the second surface and a Y-axis is 5 to 60 degree. The second prism structure comprises a third surface and a fourth surface, a third angle between the third surface and the X-axis is 0 to 20 degree, a fourth angle between the fourth surface and the Y-axis is 5 to 60 degree. Thus, as implemented in windows, the light deflection film may guide partial sunlight to a ceiling to increase ambient brightness, reduce the usage quantity of illumination devices, and avoid glare. | 02-20-2014 |
20140063853 | FILM-BASED LIGHTGUIDE INCLUDING A WRAPPED STACK OF INPUT COUPLERS AND LIGHT EMITTING DEVICE INCLUDING THE SAME - A lightguide includes a plurality of coupling lightguides extending from a body of film. The plurality of coupling lightguides are folded and arranged in a stack, wherein a region of the film is wrapped around at least one side of the stack of the plurality of coupling lightguides. | 03-06-2014 |
20140218972 | LIGHT GUIDING APPARATUS AND LIGHT SOURCE DEVICE INCLUDING THE SAME - A light guiding apparatus includes a light guiding apparatus and a second light guide. The first light guide includes a first end-surface, a second end-surface and a side-surface, in which the first end-surface includes a first light incident surface thereon, the second end-surface includes a first light emitting surface thereon, and the side-surface is located between the first end-surface and the second end-surface of the first light guide. The second light guide has a second incident surface and a second light emitting surface connecting the second incident surface, in which at least a partial region of the second light emitting surface is a roughened surface, the second incident surface or the first light emitting surface is a roughened surface, and the second incident surface is corresponding to the first light emitting surface. | 08-07-2014 |
20140301109 | LIGHT GUIDE PLATE, BACK LIGHT MODULE AND DISPLAY APPARATUS - A light guide plate comprises a transparent light guide plate body; and a plurality of reflection sheets disposed inside the light guide plate body adjacent to a bottom surface of the light guide plate body, wherein a surface of the reflection sheet away from the bottom surface is configured as a reflection surface, regions of the light guide plate body except the reflection sheets are configured as light transmission regions, and the light transmission regions and the reflection sheets are alternately arranged. Since the reflection sheets are provided inside the light guide plate body, the reflection sheet reflects the light which is directed from the one surface and passes through the display panel, and prevents the light, which is directed from the other surface of the display apparatus, from passing through the display panel and interfering with the normal display of the one surface. In this way, the display apparatus can achieve the double-surface display. | 10-09-2014 |
20140307476 | MULTILAYER LICENSE PLATE LIGHTING APPARATUS - A lighting apparatus for illuminating a license plate includes a light source and a multilayer light guide. The multilayer light guide is configured to carry light from the light source and to cast light onto the license plate. The multilayer light guide includes a first layer having an exterior surface opposite the location of the license plate. A second layer is disposed between the first layer and the location of the license plate and directly abuts the light source. A third layer is disposed between the second layer and the location of the license plate. The second layer has greater index of refraction than at least one of the first layer and the third layer. In some configurations, the layer carrying light, which may be referred to as the light guide, may be formed from a multilayer optical film. | 10-16-2014 |
20150092447 | APPARATUS FOR COMPENSATING IMAGE OF DISPLAY AND DISPLAY ASSEMBLY - An image compensating apparatus located on a display panel includes a light incident surface set on the display region, a light emitting surface parallel with the light incident surface, and a plurality of light guiding channels parallel with each other. The display panel includes a display region displaying an image and a non-display region encircling a periphery of the display region. The light guiding channel interconnects with the light incident surface and the light emitting surface, and angles with the light incident surface. When viewed from a direction perpendicular to the light incident surface, the light guiding channel moves an image displayed on the display region for a predetermined distance for covering at least partial of the non-display region. | 04-02-2015 |
20150309244 | LIGHT GUIDE PLATE, MANUFACTURING METHOD OF THE SAME AND DISPLAY DEVICE COMPRISING THE SAME - A manufacturing method of the light guide plates, a light guide plate made by the method and a double-side display device comprising the light guide plate. The manufacturing method of a light guide plate comprises: forming a plurality of alternating first grooves ( | 10-29-2015 |
20150338569 | ILLUMINATED PANELS AND METHOD OF USE - An illuminate panel is disclosed. The illuminated panel includes two flat transparent plates disposed parallel and close to each other and plurality of spacers disposed between the flat panels. The spacers are at least partially transparent and disposed comprised in planes that are parallel to each other. The illuminated panel also includes a plurality of illumination units disposed along a line at one end of the illuminated panel and parallel to the planes of the spacers. The illumination units are disposed so that their illumination is directed towards the space between the flat panels. | 11-26-2015 |