| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 362610000 | Optical waveguide | 30 |
| 20080232133 | Lighting device and display device - A lighting device includes a plurality of light-transmitting guide plates | 09-25-2008 |
| 20090154193 | SHEET-SHAPED LIGHTGUIDE MEMBER, OPERATION PANEL-LIGHTING DEVICE AND ELECTRONIC DEVICE - A sheet-shaped lightguide member has a first surface ( | 06-18-2009 |
| 20100220497 | LUMINAIRE HAVING FLOATING LUMINOUS LIGHT SOURCE - A luminaire | 09-02-2010 |
| 20110310634 | OPTICAL WAVEGUIDE DEVICE - An optical waveguide device is provided which is capable of distributing light beams from a light source equally to long and short sides of a rectangular panel and which does not require a high degree of accuracy for alignment between the light source and a core. The optical waveguide device includes the light source provided on an edgewise extending frame part of a rectangular panel, and an optical waveguide provided on the frame part and including the branched core having a common portion closer to the light source, the branched core being divided from the common portion into a first core portion and a second core portion orthogonal to each other. The common portion is disposed at a corner of the frame part. The second core portion has a width greater than the width of the first core portion. | 12-22-2011 |
| 20130223098 | SURFACE LIGHT EMITTING APPARATUS - The present disclosure relates to a surface light emitting apparatus including: a light source bar including a light source for generating an optical signal; at least one optical distributor for dividing the optical signal generated in the light source into a plurality of optical signals; a light guide plate for confining the plurality of optical signals divided by the optical distributor in an inside thereof and transfer the optical signals; and a scattering pattern formed on a surface of the light guide plate and for emitting a light by the optical signal transferred through the light guide plate. | 08-29-2013 |
| 20140049983 | LIGHT EMITTING DEVICE COMPRISING A LIGHTGUIDE FILM AND ALIGNED COUPLING LIGHTGUIDES - A light emitting device includes a film-based lightguide and coupling lightguides having ends stacked and aligned. In one embodiment, the light emitting device comprises a relative position maintaining element that extends beyond the light input surface defined by the stacked ends of an array of coupling lightguides. In another embodiment, a light emitting device comprises an alignment guide or cavity. | 02-20-2014 |
| 20140063848 | BACKLIGHT MODULE AND DISPLAY DEVICE - According to the present disclosure, there are provided a backlight module and a display device. With the backlight module, a heat dissipating device can be saved, and a light guide plate is prevented from being warped and deformed due to heat generation of a light source. The backlight module comprises a light source, a light guide plate and a side-glowing optical fiber. The side-glowing optical fiber includes: a light emitting section which is fixed to at least one side of the light guide plate; and a light guide section, which extends from the light emitting section to the outside of the light guide plate, and a terminal of which is connected to the light source. | 03-06-2014 |
| 20140078778 | DISPLAY APPARATUS, MULTI-DISPLAY SYSTEM, AND METHOD FOR MANUFACTURING DISPLAY APPARATUS - A method for manufacturing a display apparatus includes a first step of arranging a display panel ( | 03-20-2014 |
| 20140126241 | BACKLIGHT MODULE AND DISPLAY APPARATUS - The present invention provides a backlight module and a display apparatus. The display apparatus comprises the backlight module and a display panel. The backlight module comprises a light collector, optical fibers, a fiber light-outputting substrate, a light guide plate and a light coupling device. The optical fibers are connected between the light collector and the fiber light-outputting substrate. The light guide plate is disposed at one side of the fiber light-outputting substrate. The light coupling device is disposed between the fiber light-outputting substrate and the light guide plate, wherein light diffusion recessions of the light coupling device face the light-outputting openings of the fiber light-outputting substrate. The present invention can use ambient light rays to form a backlight source. | 05-08-2014 |
| 20140126242 | BACKLIGHT MODULE AND DISPLAY APPARATUS - The present invention provides a backlight module and a display apparatus. The display apparatus comprises the backlight module and a display panel. The backlight module comprises a light collector, optical fibers, a fiber light-outputting substrate and a light guide plate. The optical fibers are connected between the light collector and the fiber light-outputting substrate. The light guide plate is disposed at one side of the fiber light-outputting substrate. The fiber light-outputting substrate includes a plurality of light-outputting openings and a plurality of light sources. The present invention can use ambient light rays to form a backlight source. | 05-08-2014 |
| 20140160792 | BACKLIGHT MODULE HAVING OPTICAL FIBERS - A backlight module includes a light guide plate, a light source emitting light rays, and an optical fiber group corresponding to the light source. The light source has a light luminance surface. The light guide plate has a light incident surface. The optical fiber group has a number of optical fibers. Each of the optical fibers has a first end and a second end. The first end directly contacts with the light emitting surface. The second end directly contacts with the light incident surface, and thus the light rays from the second end directly enter the light guide plate through the light incident surface. | 06-12-2014 |
| 20140185319 | BACKLIGHT MODULE AND DISPLAY APPARATUS - The present invention provides a backlight module and a display apparatus. The display apparatus comprises the backlight module and a display panel. The backlight module comprises a light collector, at least one optical fiber, a fiber arrangement substrate and a light guide plate. The optical fiber is connected between the light collector and the fiber arrangement substrate. The light guide plate is disposed at one side of the fiber arrangement substrate. The present invention can use ambient light rays to form a backlight source. | 07-03-2014 |
| 20140185320 | OPTICAL COUPLING DEVICE AND BACKLIGHT MODULE - An optical coupling device is used for optically coupling light sources with a light guide plate. The optical coupling device includes transparent light guide portions. Each light guide portion has a light incident surface, a light emitting surface, a top surface, and a bottom surface. The light incident surface is opposite to the light emitting surface. The top surface is opposite to the bottom surface. Along a direction perpendicular to the top surface, a thickness of the light incident surface is greater than a thickness of the light emitting surface. The light incident surface is optically coupled with a corresponding one of the light sources. The light emitting surface is optically coupled with the light guide plate. | 07-03-2014 |
| 20140293647 | Luminous body - A luminous body is described, in particular in the form of a planar lighting device for general lighting or for backlighting of displays, which luminous body comprises a plurality of light sources, for example LED elements, arranged in a housing, in particular an optical waveguide plate. The optical waveguide plate forms a first optical medium with a first optical scattering power, into which the light of the light sources is coupled. Furthermore, at least one second optical medium with a second optical scattering power is provided, such that the light propagating in the second optical medium is at least substantially coupled in from the first optical medium, and the scattering power of at least one of the media is chosen for the purpose of influencing the flow of light in the housing such that a given brightness distribution of the light on the light emission surface is achieved. | 10-02-2014 |
| 20140340933 | LIGHT GUIDE ELEMENT AND BACKLIGHT MODULE - A light guide element includes a wedge-shaped light coupling member and a rectangular light guide plate. The light coupling member includes a first bottom surface, a top surface opposite to the first bottom surface, a light incident surface interconnected between the first bottom surface and the top surface, a first connecting surface parallel with and opposite to the light incident surface, a slanted surface connecting the first connecting surface to the top surface, and a reflection film formed on the top surface and the slanted surface. The light guide plate includes a second bottom surface, a light output surface opposite to the second bottom surface, and a second connecting surface perpendicularly interconnected between the second bottom surface and the light output surface. The second connecting surface connects and overlaps the first connecting surface. The height of the light incident surface is larger than that of the second connecting surface. | 11-20-2014 |
| 20150029752 | DISPLAY DEVICE - A display device includes a light guide plate, at least one illuminating element, a side frame, and a display panel. The light guide plate includes a main body and at least one light-incident protrusion part. The main body has a light-emitting surface. The light-incident protrusion part is connected to the main body and has a light-incident surface. The illuminating element is arranged along the light-incident surface and is capable of emitting a light beam. The light beam enters the light guide plate from the light-incident surface and leaves the light guide plate from the light-emitting surface. The side frame is located on the light guide plate. The display panel is located between the light guide plate and the side frame. The side frame and the display panel expose the light-incident protrusion part. The side frame of the display device described herein has the small width. | 01-29-2015 |
| 20150062967 | LIGHT CONVERSION DEVICE AND MANUFACTURING METHOD THEREOF, AND LIGHT SOURCE UNIT INCLUDING THE LIGHT CONVERSION DEVICE - A light source unit includes a light guide plate which includes a front surface and a rear surface which are opposite to each other and a side between and connecting the front surface and the rear surface, a light conversion device on the side of the light guide plate; and a light source which generates and supplies light to the light conversion device. The light conversion device includes, a sealed tube, a light conversion member within the sealed tube and a space other than an area in the tube which is occupied by the light conversion member, defined in the tube | 03-05-2015 |
| 20150070932 | LIGHT SOURCE UNIT USING QUANTUM DOT PACKAGE AND DISPLAY HAVING THE SAME - A light source unit includes: a light guiding plate having a front surface and a rear surface facing each other, and a side surface between the front surface and the rear surface; a light guiding bar disposed on the side surface of the light guiding plate; a quantum dot package disposed on a surface of the light guiding bar; and a dot light source which provides light to the quantum dot package. | 03-12-2015 |
| 20150131317 | ILLUMINATION DEVICE, AND DISPLAY DEVICE - The present invention aims at providing an illumination device and a display device that can suppress uneven brightness while improving light use efficiency and brightness. The illumination device includes a plurality of light sources arranged next to each other, a light guide member that guides light from the light sources, and protrusions that protrude towards the respective light sources from an end face of the light guide member. The protrusions each have side faces formed such that light emitted so as to spread in the arrangement direction of the light sources exits the light guide member and then re-enters from the end face thereof. | 05-14-2015 |
| 20150293294 | PORTABLE ELECTRICAL TERMINAL - A portable electrical terminal with inward illumination includes a main body and a back shell positioned on the main body. A light source portion is arranged on the main body. The back cover includes a light guide frame, a light guide plate and a light guide pipe. A first housing portion and a second housing portion are respectively located on opposite sides of the light guide frame. The light guide plate and card-shaped object can be received in the first housing portion. The light guide pipe is received in the second housing portion. The portable electrical terminal emits light for decoration and for close examination of the card-shaped object within the back shell arranged on the main body. | 10-15-2015 |
| 20150316703 | DUAL EDGE COUPLER - According to one aspect, a luminaire comprising a first waveguide having a first coupling surface, a second waveguide having a second coupling surface, and a coupling optic optically coupled to the first coupling surface and the second coupling surface and adapted to receive a light source. The coupling optic comprising a central coupling section, a first light distribution section, and a second light distribution section opposed to the first light distribution section, wherein each of the first and second light distribution sections includes a first surface having a curved portion and a planar portion both bounded by a second surface and a third surface. The curved portion is proximal to the central coupling section and the planar portion is distal to the central coupling section. | 11-05-2015 |
| 20150323727 | BACKLIGHT MODULE - The present invention discloses a backlight module, comprising at least one back plate, a light guide plate, an optical film, a base, a plurality of fasteners and a plurality of optical fibers. The light guide plate is disposed in the back plate; the optical film is disposed on the light guide plate; the base is installed at one side of the light guide plate, and comprising a plurality of corresponding holes spaced with each other; the fasteners are fastened on the corresponding holes; each of the fasteners comprises a pressing hole; the optical fibers used for transmitting a light source are passed through the pressing holes; the optical fibers are tightly fixed by the fasteners. Fasteners are passed through the corresponding holes to narrow the pressing hole; Optical fibers are pressed and fixed to prevent the axial movement of optical fibers and to stabilize transmission quality of light source. | 11-12-2015 |
| 20150331165 | RED PIXEL, GREEN PIXEL AND COLOR FILTER AND DISPLAY DEVICE - A red pixel has a chromaticity coordinate in the CIE colorimetric system in use by a light emitting element containing quantum dots as a light source, satisfying 0.670≦x≦0.680, and a film thickness of 3.0 μm or less. A green pixel has a chromaticity coordinate in the CIE colorimetric system in use by the light emitting element as a light source, satisfying 0.690≦x≦0.710, and a film thickness of 3.0 μm or less. The color filter has at least one of the red pixel and the green pixel. A display device comprises a color filter having at least one of the red pixel and the green pixel, and the light emitting element containing quantum dots. | 11-19-2015 |
| 20150369993 | BACKLIGHT ASSEMBLY AND DISPLAY DEVICE HAVING THE SAME - A backlight assembly includes a circuit substrate, a light source arranged on the circuit substrate, a light guide plate having a first surface configured to receive light emitted from the light source and a second and different surface to emit light, a wavelength converting unit arranged between the light source and the light guide plate and a spacer arranged around the light source. The spacer is spaced apart from the light source in a direction perpendicular to the light-emitting direction of the light emitted from the light source. | 12-24-2015 |
| 20160011361 | WHITE LED LIGHT SOURCE, BACKLIGHT MODULE AND DISPLAY DEVICE | 01-14-2016 |
| 20160054504 | BACKLIGHT, DISPLAY PANEL AND DISPLAY DEVICE - The present invention provides a backlight, a display panel and a display device, The backlight includes: a first light source and a second light source, the brightness of light emitted from the first light source is different from that of light emitted from the second light source; and a light guide plate, the first light source and the second light source are disposed above the same end surface of an edge of the light guide plate, and light-emitting surfaces of the first light source and the second light source face the end surface of the edge of the light guide plate, a light mixing structure is disposed on the end surface of the edge of light guide plate and is capable of mixing the light emitted from the first light source and the light emitted from the second light source into light with uniform brightness. | 02-25-2016 |
| 20160054505 | LIGHT GUIDE DEVICE FOR ILLUMINATION - A light guide device, comprising a light entrance part for receiving luminous radiation from a light source placed in front of it, and a light exit part configured for emitting the luminous radiation according to a distributed illumination pattern. The device includes: a first light guide member comprising a central light transmitting portion, on an end of which the light entrance part is formed, and a support portion connected to the central light transmitting portion and arranged concentrically therewith, and—a second light guide member comprising a shaft portion removably coupled to an end of the central light transmitting portion of the first light guide member, opposite to the light entrance part, and a light distributing portion connected to the shaft portion, on which the light exit part is formed. | 02-25-2016 |
| 20160070049 | PLANAR LIGHTING DEVICE - In a first aspect of the present inventive subject matter, a planar light guide device includes light-emitting elements arranged on a surface of a substrate to be an alignment on a center line between two long edges of the surface of the substrate; and a light-transmitting resin including a region in which optical elements are arranged at a first side and a second side of the light-transmitting resin, and the optical element includes a first surface and a second surface that is smaller in area than the first surface, and the first surface of the optical element is inclined with an angle that is in a range of one to 40 degrees with respect to a surface that is perpendicular to the mounting surface of the substrate with an edge of the surface in parallel with the center line between the two long edges of the surface of the substrate. | 03-10-2016 |
| 20160070050 | LED MODULE - An LED module, includes a heat sink, an LEDs mounted on a side of the heat sink and a light guide plate spaced from the LED light source. A flexible light guiding tube is disposed between the light guide plate and the LED light source. The flexible light guiding tube has an first end. A bore diameter of the outmost end of the first end is larger than or equal to a diameter of a top end of the LED light source. The outmost end covers the top end of the LEDs therein. Compared to the prior art, The LED module of the present disclosure has high luminous efficiency and good thermal performance. | 03-10-2016 |
| 20160178824 | BACKLIGHT ASSEMBLIES WITH DISTRIBUTED PHOSPHOR PATTERNS | 06-23-2016 |
