| Entries |
| Document | Title | Date |
|---|
| 20080212339 | Light-guiding plate, lighting device and display device - A light-guiding plate, an optical source device and an electronic device. The light-guiding plate including an incident surface, and an emission surface substantially perpendicular to the incident surface. The incident surface has a surface substantially perpendicular to the incident surface, and has projections or depressions extending substantially parallel to the emission surface. The incident surface has flat planes among the projections or depressions. | 09-04-2008 |
| 20080232132 | Low-absorptive diffuser sheet and film stacks for direct-lit backlighting - There is provided an optical diffuser sheet. The optical diffuser sheet has a first surface and a second surface opposite to the first surface. The first surface has a plurality of optical structures arranged to diffuse and direct light illuminated onto the first surface. The optical diffuser sheet when illuminated is characterized by an absorption of less than 10% and an absolute hiding power of less than 10%. | 09-25-2008 |
| 20080247190 | HIGH BRIGHTNESS DIFFUSION PLATE - A high brightness diffusion plate for homogenizing light beams provided by at least one light source of a backlight module to a display panel is provided, which includes a diffusion layer, a transmittance layer, and a plurality of connecters. The transmittance layer is disposed above the diffusion layer, and the connecters are connected between the diffusion layer and the transmittance layer. Since the high brightness diffusion plate of the present invention is an integrated structure and is stronger, the present invention is not only easier for being assembled inside the backlight module, but also makes the light source provided by the backlight module being more homogeneous. | 10-09-2008 |
| 20080253148 | Polymerizable Composition Comprising Low Molecular Weight Organic Component - Polymerizable compositions comprising particularly useful for brightness enhancing films. | 10-16-2008 |
| 20080310186 | LIGHT EMITTING DEVICE WITH MICROLENS ARRAY - A method of manufacturing a micro-lens array and light-emitting device, comprising forming a first structured polymer film with close packed surface cavities having a mean diameter of less than 20 micrometers and a relatively lower surface energy surface, forming a transparent second structured film with an array of microlenses formed thereon corresponding to the cavities of the first structured film, wherein the second structured film comprises a relatively high surface energy material and has a refractive index greater than 1.45, and wherein the microlenses are randomly distributed, separating the second structured film with the micro-lens array from the first structured polymer film, and attaching the second structured film to a transparent substrate or cover of a light-emitting device through which light is emitted. Use of microlens arrays formed from relatively high surface energy materials enables matching refractive index of microlens array to that of light-emitting devices substrate or cover through which light is emitted and relatively high elastic modulus providing good scratch resistance. | 12-18-2008 |
| 20090010024 | 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 first surface, a second surface, a plurality of first protrusions, a plurality of second protrusions and a lamp-receiving portion. The second surface is opposite to the first surface. The first protrusions are formed at the first surface, and each first protrusion is a rectangular pyramidal protrusion. The second protrusions are formed at the second surface, and each second protrusion is a conical frustum protrusion. The lamp-receiving portion is defined in one of the first surface and the second surface. A backlight module using the optical plate is also provided. | 01-08-2009 |
| 20090034289 | LED BACKLIGHT DEVICE - There is provided a light emitting diode (LED) backlight device comprising a light guide plate and a light module composed of a plurality of LEDs. A haze structure is disposed between a light incident surface of the light guide plate and each LED. Haze value of the haze structure is varied with a high value at a position closing to an optical axis of the LEDs and a low value at a position further away from the optical axis of the LEDs. | 02-05-2009 |
| 20090122575 | Surface Light Emitting Apparatus and Method of Light Emission for Surface Light Emitting Apparatus - An object of the invention is to provide a thin, low-power consumption, light-weight, and inexpensive surface light emitting apparatus using a hollow multilayer structure in combination with LEDs, and a method of light emission for the same. More specifically, the invention provides a surface light emitting apparatus comprising: a hollow multilayer structure formed from a plurality of hollow cells; a light source for emitting light into the hollow multilayer structure through an end face thereof containing a cell opening; and optical means for causing the light introduced through the cell opening-containing end face of the hollow multilayer structure to emerge from a surface of the hollow multilayer structure. | 05-14-2009 |
| 20090135623 | Spread illuminating apparatus - A spread illuminating apparatus is provided where: a light introducing prism mechanism is formed at a light entrance surface of a light guide plate wherein the prism mechanism includes a plurality of prism pieces extending in the thickness direction of the light guide plate and including first and second light incidence faces which have respective different inclination angles relative to the light entrance surface such that the first and second light incidence face are inclined relative to the light incidence surface at an angle ranging from 0 degree to 30 degrees and at an angle ranging from 45 degrees to 90 degrees; a light emitting pattern is formed at the bottom surface of the light guide plate such that prisms are continuously disposed in a step-like manner in the direction perpendicular to the light entrance surface; and a light diffusing pattern is formed at the top surface of the light guide plate such that arc prisms are disposed in the direction parallel to the light entrance surface. | 05-28-2009 |
| 20090147533 | Display Device - A display device is provided. The display device comprises a light guide plate; a first light source being disposed at a side of the light guide plate and having a first half-power angle; a second light source being disposed at the side of the light guide plate and having a second half-power angle; and a display panel on the light guide plate. | 06-11-2009 |
| 20090168452 | Optical sheet 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 a second surface of the base layer along a first direction crossing a longitudinal side and a vertical side of the optical sheet that meet each other at the second surface. The light-condensing portions are extended in a second direction crossing the first direction to be tilted with respect to the longitudinal side and the vertical side. The light-reflecting portions are formed in the first surface corresponding to a plurality of recesses where the light-condensing portions meet each other to be formed in the second direction. The center of the light-reflecting portion is spaced apart from the recessed in the first direction. Thus, a plurality of optical sheets such as a diffusion sheet and a light-condensing sheet may be omitted. | 07-02-2009 |
| 20090196068 | BACKLIGHT MODULE AND DISPLAY APPARATUS HAVING THE SAME - A backlight module is provided. The backlight module includes a light guide plate, an optical component, and a light source for generating light. The optical component is provided for adjusting or veering the light emitted from the light source along a direction perpendicular to the light guide plate. One end of the optical component is affixed to the light source for receiving the incident light. The other end of the optical component faces, and is separated from, the light guide plate, so as to direct the light to the light guide plate. | 08-06-2009 |
| 20090268484 | BACKLIGHT ASSEMBLY AND DISPLAY DEVICE HAVING THE SAME - Provided are a backlight assembly and a display device having the same. The backlight assembly includes a light source unit which generates light; and a light guide plate which comprises an incident light surface through which the light from the light source unit enters the light guide plate, an upper surface joined to the incident light surface and that includes a prism pattern, and a lower surface opposing the upper surface and formed with a plurality of concave portions. A diffusing pattern is formed on one of the upper surface and the lower surface. | 10-29-2009 |
| 20100014314 | LIGHT DIFFUSION PLATE, COMPOSITION LIQUID FOR FORMING A LIGHT DIFFUSION LAYER AND PROCESS FOR PRODUCING LIGHT DIFFUSION PLATE - A conventional light diffusion plate provided in a direct type backlight unit to be employed for e.g. a liquid crystal display, has problems in that it does not have a sufficient diffusion performance, it is difficult to increase the size, and it is difficult to produce such a light diffusion plate at low cost. | 01-21-2010 |
| 20100046247 | LIGHT GUIDE DEVICE - A light guide device is provided in an embodiment of the invention. The light guide device comprises a light guide plate and a light source provided on a side surface of the light guide plate. A light guide strip is provided on a side surface of the light guide plate intersecting with the side surface provided with the light source. A side surface of the light guide strip facing the light guide plate is a light exit surface of the light guide strip, a side surface of the light guide strip opposite to the light exit surface is a reflective surface of the light guide strip, and an end surface of the light guide strip adjacent to the light source is a light entrance surface of the light guide strip. | 02-25-2010 |
| 20100097824 | BACKLIGHT UNIT AND MEMBER - A direct type backlight unit | 04-22-2010 |
| 20100103696 | OPTICAL WAVEGUIDE AND OPTICAL APPARATUS - Described is an optical waveguide having a main direction of extension, at least one radiation entrance face, and a radiation exit face that extends longitudinally to the main direction of extension, wherein at least one radiation entrance face extends transversely to the main direction of extension, and the at least one radiation entrance face has two convexly curved subregions that are connected to each other by a kink-like or concavely shaped indentation. An optical device formed with such a waveguide is also described, as is a display device. | 04-29-2010 |
| 20100110725 | LIGHT GUIDE PLATE AND BACKLIGHT MODULE - A light guide plate (LGP) including a first surface, a second surface, a light incident surface and a plurality of optical micro-structures is provided. The first surface is opposite to the second surface. The light incident surface connects the first surface and the second surface. The optical micro-structures are disposed on the second surface and include a plurality of round protrusive points and a plurality of curved protrusions. The curved protrusions are disposed among the round protrusive points. Each of the curved protrusions has a first arc side and a second arc side opposite to the first arc side, and an indentation of the first arc side and an indentation of the second arc side are substantially towards a same direction. In addition, a backlight module employing the above-mentioned LGP is also provided. | 05-06-2010 |
| 20100110726 | Backlight module - A backlight module includes at least one light emitting element capable of emitting a light beam and a light diffusion brightness enhancement film. The brightness enhancement film includes a light transmissive substrate, a plurality of prism rods, and at least one light diffusion structure. The light transmissive substrate has a first and a second surfaces opposite to each other. The first and the second surfaces are disposed in a transmission path of the light beam. The first surface is disposed between the light emitting element and the second surface. Each of the prism rod extends along a first direction. The prism rods are disposed on the first surface and are arranged along a second direction. The light diffusion structure is disposed on the first surface and between the two adjacent prism rods, and has a rough surface. The light diffusion structure and the rough surface extend along the first direction. | 05-06-2010 |
| 20100172151 | LIGHT EMITTING PANEL ASSEMBLIES - Light emitting assembly includes an optical conductor having a pattern of deformities on or in front and back sides of the optical conductor to cause light to be emitted from a light emitting surface on at least one of the sides. At least one of the deformities varies, and at least one planar or curved refractive surface is aligned with at least one light source to redirect a portion of the light from the light source entering the optical conductor in a predetermined manner to cause the light emitted from the light emitting surface to pass through an optical film, which redirects the light through a liquid crystal display with low loss. | 07-08-2010 |
| 20100254159 | BRIGHTNESS ENHANCEMENT FILM AND BACKLIGHT MODULE - A brightness enhancement film (BEF) including a first surface, a second surface, and a side surface is provided. The first surface is a curved surface continuously fluctuant in two dimensions and includes a plurality of axisymmetric convex surfaces and a plurality of non-axisymmetric concave surfaces. Each of the axisymmetric convex surfaces is a curved surface. The axisymmetric convex surfaces and the non-axisymmetric concave surfaces are arranged alternately in the two dimensions and respectively form a plurality of wave crests and a plurality of wave troughs. Each of the non-axisymmetric concave surfaces is a curved surface. The second surface is opposite to the first surface and the side surface connects the first surface and the second surface. In addition, a backlight module employing the BEF is also provided. | 10-07-2010 |
| 20100290250 | ARTICLES AND METHODS OF MAKING ARTICLES HAVING A CONCAVITY OR CONVEXITY - Articles and methods of making an articles having at least one convexity or at least one concavity are described. A first article having at least one concavity is prepared using a molding surface that includes at least one gas bubble. A second article having at least one convexity is prepared using the first article as a mold. | 11-18-2010 |
| 20100296311 | Moire reducing optical substrates with irregular prism structures - An optical substrate having a structured surface that enhances brightness and reduces moiré effect. The optical substrate has a three-dimensionally varying, structured light output surface that comprises an irregular prismatic structure. The irregular prismatic structure may be viewed as comprising longitudinal prism blocks or rows thereof, arranged laterally defining peaks and valleys. Adjacent peaks, adjacent valleys, and/or adjacent peak and valley may be parallel or non-parallel, in an orderly, semi-orderly, random, or quasi-random manner. The lateral adjacent peaks, adjacent valleys, and/or adjacent peak and valley are not parallel. The adjacent irregular prism blocks may be irregular longitudinal sections having the same length, or random or quasi-random irregular sections having different lengths. The facets of each prism block may be flat, or curved (convexly and/or concavely). | 11-25-2010 |
| 20110019435 | Brightness enhancement film and backlight module - A brightness enhancement film (BEF) includes a substrate, a prism layer, a connection structure layer, and a micro lens layer. The prism layer is disposed on the substrate, the micro lens layer is disposed above the prism layer, and the connection structure layer is disposed between the prism layer and the micro lens layer. The prism layer includes a plurality of prisms. Each of the prisms includes a plurality of prism units. The micro lens layer includes a plurality of micro lens units. The connection structure layer includes a plurality of connection structure units. Each of the connection structure units connects the prism unit and the micro lens unit. A side surface of each of the connection structure units is a curved surface, and the curved surface extends from the micro lens unit to the prism unit. A backlight module including the brightness enhancement film is also provided. | 01-27-2011 |
| 20110019436 | LIGHTING SYSTEM WITH REMOVABLE LIGHT EXTRACTING MEMBER - The present invention relates to a lighting system ( | 01-27-2011 |
| 20110026271 | OPTICAL MEMBER - Disclosed is an optical member for use in liquid crystal displays, which can correct the light path and can minimize the loss of light, so that light in a wider angular range can be collected forwards. Even when a distance between the optical member and a light source is shortened, the optical member can exhibit good hiding performance and prevent deformation caused by heat. Upon expansion and shrinkage, the optical member is not scratched and does not generate noise at a portion in contact with a support pin. | 02-03-2011 |
| 20110026272 | LIGHT CONTROL FILM, BACKLIGHT DEVICE USING THE SAME, AND METHOD FOR MANUFACTURING MOLD FOR FORMING UNEVEN PATTERN - The present invention provides a light control film that can prevent generation of a moiré pattern when it is superimposed on another member having a regular structure while securing sufficient front luminance, and a backlight device using the same. The light control film of the present invention has a light control layer provided with an uneven pattern on a surface, and in this uneven pattern, a plurality of convexes having circular bases of approximately the same diameters are arranged so that the bases thereof should not overlap with one another and each should touch one or two or more other bases, and ratio of convexes arranged so that each of circular bases thereof should touch both bases of two convexes of which bases touch each other is controlled to be 50 to 92% among the total convexes arranged. The backlight device of the present invention is a backlight device incorporated with the aforementioned light control film. | 02-03-2011 |
| 20110051458 | LIGHT EMITTING PANEL ASSEMBLIES - Light emitting panel assembly comprises a light emitting panel member and a light source. At least one surface of the panel member has a pattern of light extracting deformities formed by applying the deformities to the panel member and afterward permanently attaching the deformities to the panel member to become part of the assembly. | 03-03-2011 |
| 20110058390 | LIGHT REDIRECTING FILMS AND FILM SYSTEMS - Optical assembly comprises a light emitting panel having at least one light source positioned adjacent to at least one light input edge located at or near a corner of the panel and at least one light output surface for emitting light. In close proximity to the light output surface is a light redirecting film for receiving light emitted from the light output surface. The film has optical grooves extending across the film in a curved pattern facing a corner of the film in close proximity to the corner of the panel to redistribute the light emitted from the light output surface. | 03-10-2011 |
| 20110141766 | ILLUMINATION MODULE AND LIGHT BAR USED IN THE SAME - An illumination module includes a light bar, an LED assembly, a positioning member, a sleeve and a lamp receptacle. The light bar has a first end and a second end opposite the first end. A microstructure layer or a reflective layer is formed on the light bar, and a positioning pillar is formed on an outer side of the light bar. The emitting light of the LED assembly is diffused by the microstructure layer or reflected by the reflective layer to spread over the entire light bar. The positioning member, the sleeve, the LED assembly or the lamp receptacle has at least one guide slot that engages with the positioning pillar of the light bar. | 06-16-2011 |
| 20110149598 | SUPPORTER OF DIFFUSER PLATE IN BACKLIGHT UNIT - Disclosed is a diffuser plate supporter of a backlight unit. The diffuser plate supporter functions to support a diffuser plate and includes: a frame positioned on the lower side of the diffuser plate supporter; a supporting member which is formed by an injection molding process and a portion of which penetrates through the frame; and a cap damper which is formed by an injection molding process and a portion of which penetrates through the inside of the supporting member. | 06-23-2011 |
| 20110182083 | ILLUMINATING DEVICE - An illuminating device according to the present invention includes light guide plate | 07-28-2011 |
| 20110182084 | LIGHT GUIDE DEVICE - Light guide devices comprising an intermediate layer of low refractive index between higher refractive index elements are described. The light guide devices are suitable for use in backlights. | 07-28-2011 |
| 20110216555 | LED DEVICE FOR BACKLIGHT MODULE - A light emitting diode (LED) device applied to a backlight module includes a substrate, a plurality of sub-substrates, a plurality of light emitting chips, and a plurality of package lenses. The sub-substrates are installed on the substrate, and the light emitting chips are installed on the sub-substrates respectively. The package lenses are installed on the light emitting chips respectively, and each package lens is in a solid semi-elliptical shape and includes a long axis and a short axis perpendicular to the long axis. | 09-08-2011 |
| 20110228559 | INPUT EDGE COUPLER - A light guide includes a substrate having opposing first and second major surfaces and an input edge coupler disposed along an edge of the substrate. The ratio of a light guide input edge thickness to a light guide thickness is greater than 2:1. | 09-22-2011 |
| 20110242845 | LIGHT REDIRECTING BAR WITH DIFFUSION FEATURES - The present invention provides an integrated backlight illumination assembly for an LCD display comprising: a plurality of solid state light sources for providing a point light source; a plurality of light guide films having light redirecting areas provided between the plurality of solid state light sources for redirecting and spreading the point light sources to a uniform plane of light, a light redirecting bar located between opposing light guide films, the light redirecting bar comprising a top capping portion and a bottom portion, the bottom portion being aligned perpendicular to the top capping portion wherein said bottom portion has at least one light redirecting feature. | 10-06-2011 |
| 20110292681 | Display device and planar light source device - The present invention relates to a technique which can make a backlight used in a liquid crystal display device thin and light-weighted. The present invention provides a liquid crystal display device which includes a display panel and a backlight which is arranged behind the display panel, wherein the backlight includes a film-like light guide member, a film-like light semi-transmissive member which is adhered to a first surface of the light guide member which faces the display panel in an opposed manner, a film-like reflective member which is adhered to a back surface of the light guide member opposite to the first surface, and a spot light source which is arranged at a position of the light guide member at which light is incident on the light guide member from the first surface or the back surface, and a refractive index of the light semi-transmissive member is set smaller than a refractive index of the light guide member. | 12-01-2011 |
| 20120020112 | LIGHT BOXES WITH UNIFORM LIGHT DISTRIBUTION - Light boxes for uniformly illuminating panels include a frame that supports one or more translucent panels. The light boxes further include a light source positioned within the light box. Example light sources can include fluorescent bulbs, incandescent lights, and/or light-emitting-diodes. In at least one implementation, a manufacturer positions a relatively limited number of light sources aimed and/or positioned in a particular way to uniformly distribute light throughout the light box and evenly across the translucent panels such that there are no shadows, hot spots or other non-uniform light patterns on the translucent panels. | 01-26-2012 |
| 20120081918 | EDGE-TYPE BACKLIGHT MODULE - An edge-type backlight module includes a back bezel, a light guide plate (LGP), a light source, and a frame. The back bezel includes a supporting portion that has a light source supporting surface and an LGP supporting surface. A horizontal level of the light source supporting surface is lower than that of the LGP supporting surface. The LGP is configured on the LGP supporting surface and has a light-incident side surface and a top light-emitting surface. The light source is configured on the light source supporting surface to provide a light beam. The frame is configured on the back bezel and leans against the LGP. The frame has a reflective surface located on a transmission path of the light beam to reflect the light beam, and the reflected light beam enters the LGP from the light-incident side surface. | 04-05-2012 |
| 20120081919 | LIGHT EMITTING PANEL ASSEMBLIES - A light emitting assembly comprises a plurality of light sources and a solid light emitting panel member having a light input edge and a transition area between the light sources and the light input edge. Light from the light sources enters the transition area and mixes within the transition area prior to entering the panel member. Refractive surfaces on the transition area redirect the light into the panel member. A film is maintained in spaced relation from the panel member by spacers at a perimeter of the film to form a hollow layer between the panel member and the film. Deformities on or in the panel member cause light to be extracted from the panel member and pass through the hollow layer and out through the film. | 04-05-2012 |
| 20120140519 | SURFACE LIGHT SOURCE APPARATUS AND DISPLAY APPARATUS USING SAME - A surface light source apparatus capable of keeping a high in-plane brightness uniformity and a high light utilization efficiency without increasing the size of a frame, and also to provide a display apparatus including the surface light source apparatus. The surface light source apparatus includes a point light source, and a light guide plate having a hole formed near first side surface that is one side surface thereof, the hole being formed at a position where the point light source is to be arranged. The first side surface of the light guide plate has, in a portion thereof near the hole, a prism having a saw-toothed shape in a cross-section thereof parallel to a front surface of the light guide plate. | 06-07-2012 |
| 20120155115 | LIGHT EMITTING MODULE AND BACKLIGHT UNIT USING THE SAME - There is provided a light emitting module including: a circuit board; at least one light source part disposed on the circuit board; a wavelength conversion part coupled with the circuit board, the wavelength conversion part covering alight emitting surface of the light source part and converting a wavelength of light; and a coupling part coupling the wavelength conversion part to the circuit board. | 06-21-2012 |
| 20120163021 | TRANSPARENT DISPLAY BACKLIGHT ASSEMBLY - In embodiments of a transparent display backlight assembly, a backlight panel is operable as a transparent panel, and a light source generates light that the backlight panel directs from the light source to illuminate a display panel of a display device. Light refraction features refract and scatter the light, where the light refraction features are spaced for approximate transparency of the backlight panel and to illuminate the display panel. An active diffuser can be implemented as an additional transparent panel and operable for activation to diffuse the light from the backlight panel that illuminates the display panel. | 06-28-2012 |
| 20120224389 | BACKLIGHT DEVICE AND DISPLAY APPARATUS - According to one embodiment, a backlight device includes a light source, a light guide plate, a light beam controller, and a directivity control element. The light guide plate is formed with plural diffusion portions that diffuse light from the light source. The light beam controller is configured to emit plural linear light beams. The directivity control element has plural optical openings. The optical openings extend in a second direction and are arranged in a first direction perpendicular to the second direction. The light beam controller emits the linear light beams that extend in a third direction tilted with respect to the second direction. The light guide plate has a first region in which the diffusion portions are formed in the third direction and a second region in which no diffusion portions are formed, the first region and the second region being arranged alternately in the first direction. | 09-06-2012 |
| 20120236591 | LIGHTING ASSEMBLY WITH ADJUSTABLE LIGHT OUTPUT - A lighting assembly includes a light guide and light source. The light guide includes light input regions, at least one of the light input regions associated with an optical modifying characteristic, and the light guide is configured to propagate light by total internal reflection. The light source is located adjacent the light input regions. The light source and light input regions are variably positionable relative to one another to vary a location at which light is incident on the light input regions such that light emitted from the light source is selectively apportioned between the light input regions. A characteristic of the light output from the lighting assembly is modified based on the optical modifying characteristic of the at least one of the light input regions and the relative positioning of the light source and the light input regions. | 09-20-2012 |
| 20120250351 | LIGHT EMITTING DIODE PACKAGE, METHOD OF FABRICATING THE SAME, AND DISPLAY APPARATUS HAVING THE SAME - A light emitting diode package, a method of fabricating the same, and a display apparatus having the same are provided. The light emitting diode package includes a light emitting diode, a quantum dot layer, a band pass filter, disposed in a housing. The light emitting diode emits light of a first color. The quantum dot layer includes a plurality of quantum dots disposed on the light emitting diode to absorb a portion of the light emitted by the diode, and then emit light of a second color. The band pass filter is disposed on the quantum dot layer and has a first pass band corresponding to the light emitted from the diode and a second pass band corresponding to the light emitted from the quantum dots. | 10-04-2012 |
| 20120275187 | LIGHT GUIDE PANEL AND BACK LIGHT MODULE THEREOF - The invention relates to an LGP and a back light module thereof, wherein the LGP comprises a light input surface, a bottom surface and a light output surface opposite to the bottom surface, and is characterized in that the bottom surface and/or the light output surface is provided with a plurality of microstructures, distribution rules for microstructures along the direction parallel to the light input surface of the LGP are: the microstructures in the middle of the LGP are closely arranged, and the microstructures on the two sides are sparsely arranged. In the LGP provided in the invention, the light output in the direction parallel to the light input surface can reach the brightness distribution with high middle and low edges, thereby achieving higher efficiency of light energy utilization. | 11-01-2012 |
| 20120275188 | LIGHT SOURCE MODULE AND ELECTRONIC APPARATUS PROVIDED WITH SAME - In order to suppress spread of light in a direction (shorter side direction) perpendicular to a direction (longer side direction) in which a light source is directed, the light source module of the present invention includes a light guide plate ( | 11-01-2012 |
| 20120294035 | LIGHT EMITTING DIODE LAMP - An LED lamp including a first light source device and a second light source device is provided. The first light source device has a light exiting surface and a connection portion, and is used for emitting a first illumination light through the light exiting surface. The light exiting surface surrounds the connection portion. The second light source device is connected to the connection portion, and is used for emitting a second illumination light. | 11-22-2012 |
| 20120320627 | FLAT PANEL LIGHTING DEVICE AND DRIVING CIRCUITRY - The present application is directed to a lighting fixture having a light emitting diode (LED) panel. The light fixture is configured to include a pair of LED configurations that are driven alternately by driving circuitry. The light fixture can include driving circuitry that is configured to be housed within a frame of the LED panel. | 12-20-2012 |
| 20130010494 | BACKLIGHT DEVICE, LIGHT SOURCE DEVICE, LENS, ELECTRONIC APPARATUS AND LIGHT GUIDE PLATE - Disclosed herein is a backlight device. The device includes: a light emitting element; a lens having an incident surface on which light emitted by the light emitting element is incident, and an outgoing surface which has an ability to converge the light and from which the light incident on the incident surface goes out; a light guide plate having a light incidence plane and introducing through the incidence plane the light going out from the outgoing surface, so as to perform surface light emission; and a reflective member operative to reflect a portion of the light going out from the outgoing surface of the lens, toward the incidence plane of the light guide plate. | 01-10-2013 |
| 20130021820 | BACKLIGHT DEVICE AND DISPLAY DEVICE - Provided is a backlight device which can reduce the size and weight of light-guiding members while also improving light use efficiency. The backlight device ( | 01-24-2013 |
| 20130027972 | SPREAD ILLUMINATING APPARATUS - A spread illuminating apparatus includes a point light source; a light guiding plate having a light incident face on which the point light source is mounted, and a light output face. The light incident face has light incident prisms diffusing light emitted from the point light source into a planar space substantially parallel with the light output face. The light incident prisms include: a first prism portion including a plurality of first prisms convex relative to the light incident face; and a second prism portion including a second prism convex relative to the light incident face, the second prism portion being placed next to the first prism portion in a longitudinal direction of the light incident face. The first prism partially overlaps another first prism adjacent thereto, and the vertex of each first prism is set higher than the vertex of the second prism relative to the light incident face. | 01-31-2013 |
| 20130051068 | Energy-Efficient Lighting Panel - A light-weight and energy-efficient lighting panel is constructed from a light-transmissive and light diffusive extrusion formed to have elongated hollows, which are hollow structures or volumes between two surfaces, at least one of which is transmissive and diffusive. Light projected into the hollow flows through the hollow and part of the light is emitted through the light transmissive and diffusive surfaces. Even though the light sources are located at the edges of a panel, the surface of the panel appears to be uniformly light by light sources distribute directly behind the panels rather than along the edges. | 02-28-2013 |
| 20130051069 | BACKLIGHT UNIT INCLUDING COB TYPE LIGHT EMITTING DIODE MODULE - A backlight unit (BLU) is disclosed. The BLU may include a light emitting diode (LED) module including at least one LED chip mounted on a substrate in a chip-on-board (COB) type, and a light guide panel including an incidence surface configured to receive light emitted from an emission surface of the LED chip and to include at least one insertion recess disposed corresponding to the LED chip, such that the LED chip is bonded to the LED module to be inserted in the insertion recess. | 02-28-2013 |
| 20130063973 | LIGHTING FIXTURES HAVING OBSERVABLE ILLUMINATED SPECKLED PATTERN - A lighting fixture includes at least one optic and at least one coherent light source for directing at least one substantially coherent light beam towards the at least one optic. Light provided from the at least one optic comprises an observable illuminated speckle patterned surface resulting from the coherent light beam. | 03-14-2013 |
| 20130063974 | ASYMMETRIC SERRATED EDGE LIGHT GUIDE FILM HAVING CIRCULAR BASE SEGMENTS - The present invention provides a planar light guide film for a backlight unit having at least one point light source, the light guide film comprising a light input surface for receiving light from the point light source, a light redirecting surface for redirecting light received from the light input surface and a light output surface for outputting at least the light redirected from the light redirecting surface. The light input surface further comprises a composite lens structure having a first and second circular tip segment each circular tip segment with a first contact angle, and a first and second circular base segment each circular base segment with a top and bottom contact angle, the contact angles of the circular base segments being greater than the contact angle of the circular tip segments. Further, the circular tip segments satisfies the following equations: | 03-14-2013 |
| 20130063975 | ASYMMETRIC SERRATED EDGE LIGHT GUIDE FILM HAVING ELLIPTICAL BASE SEGMENTS - The present invention provides a planar light guide film for a backlight unit having at least one point light source, the light guide film comprising a light input surface for receiving light from the point light source, a light redirecting surface for redirecting light received from the light input surface and a light output surface for outputting at least the light redirected from the light redirecting surface. The light input surface further comprises a composite lens structure having a circular tip segment with a first contact angle, and a first and second elliptical base segments with a second contact angle, the second contact angle being greater than the first contact angle and the second contact angle being equal to each other and wherein the first and second circular tip segments satisfy the following equations respectively: | 03-14-2013 |
| 20130063976 | ASYMMETRIC SERRATED EDGE LIGHT GUIDE FILM HAVING CIRCULAR BASE SEGMENTS - The present invention provides a planar light guide film for a backlight unit having at least one point light source, the light guide film comprising a light input surface for receiving light from the point light source, a light redirecting surface for redirecting light received from the light input surface and a light output surface for outputting at least the light redirected from the light redirecting surface. The light input surface further comprises a composite lens structure having a first and second circular tip segment each circular tip segment with a first contact angle, and a first and second circular base segment each circular base segment with a top and bottom contact angle, the contact angles of the circular base segments being less than the contact angle of the circular tip segments. Further, the circular tip segment satisfies the following equations: | 03-14-2013 |
| 20130063977 | ASYMMETRIC SERRATED EDGE LIGHT GUIDE FILM HAVING ELLIPTICAL BASE SEGMENTS - The present invention provides a planar light guide film for a backlight unit having at least one point light source, the light guide film comprising a light input surface for receiving light from the point light source, a light redirecting surface for redirecting light received from the light input surface and a light output surface for outputting at least the light redirected from the light redirecting surface. The light input surface further comprises a composite lens structure having a circular tip segment with a first contact angle, and a first and second elliptical base segments with a second contact angle, the second contact angle being less than the first contact angle and the second contact angle being equal to each other and | 03-14-2013 |
| 20130070478 | LIGHT DISTRIBUTION CONTROL MEMBER AND ILLUMINATING DEVICE USING THE SAME - There is provided a light distribution control member with a plurality of first prisms that have inclined surfaces of which each edge of a hexagon is a base edge, and a plurality of second prisms that have inclined surfaces of which each edge of a triangle is a base edge. The first prisms are arranged in a houndstooth pattern, and the second prisms are arranged in areas surrounded by three first prisms. | 03-21-2013 |
| 20130083557 | BACKLIGHT MODULE STRUCTURE - A backlight module comprises a frame, a light source, an optical film and a light blocking element or a light reducing element. The frame has at least one recess formed on a sidewall thereof. The light source is disposed in the frame and located on one side thereof. The optical film is disposed in the frame and has at least one protrusion portion corresponding to the recess. The light blocking element or the light reducing element is disposed corresponding to the recess. By utilizing the light blocking element or the light reducing element, the light emitting from the light source can be block from leaking through the recess or the amount of the emitting light being reflected by a bezel of the frame can be reduced, whereby the amount of light leaking though the recess can be reduced. | 04-04-2013 |
| 20130100697 | BACKLIGHT MODULE - A backlight module includes a light source assembly, a light guiding plate, an optical clear adhesive, and a light diffusion member. The diffusion member is positioned on the light guiding plate via the optical clear adhesive. The diffusion member includes yellow phosphor powders. The light source assembly includes a substrate and a number of point light sources arrayed on the substrate. The point light sources are blue light emitting diodes. The point light sources are aligned with the light diffusion member. | 04-25-2013 |
| 20130100698 | SPREAD ILLUMINATING APPARATUS - A spread illuminating apparatus includes a light guide plate in which two side end surfaces that oppose each other are incident light surfaces and one of two principal surfaces that oppose each other is an emitting surface; and a pair of light sources that are respectively arranged along the two incident light surfaces of the light guide plate and that are alternately illuminated, wherein light absorbers are formed in regions toward the incident light surfaces of one or both of the principal surfaces of the light guide plate. | 04-25-2013 |
| 20130114292 | Surface Light Guide and Planar Emitter - A surface light guide has a radiation exit area extending along a main extension plane of the surface light guide and is provided for laterally coupling radiation. The surface light guide includes scattering locations for scattering the coupled radiation. The surface light guide includes a first boundary surface and a second boundary surface which delimit the light conductance of the coupled-in radiation in the vertical direction. A first layer and a second layer are formed on each other in the vertical direction between the first boundary surface and the second boundary surface. Further disclosed are a planar emitter including at least one surface light guide. | 05-09-2013 |
| 20130114293 | SURFACE LIGHT SOURCE DEVICE - According to one embodiment, a surface light source device includes a light guide plate, and first and second light-emitting units. The light guide plate includes a flat portion and a curved portion. The curved portion guides, to the flat portion, light introduced from the end surface and transmits light introduced from the inner circumferential surface. The flat portion includes a light diffusing portion to diffuse the light guided by the curved portion, and a light-emitting surface to output the light diffused by the light diffusing portion. The first light-emitting unit emits light toward the end surface. The second light-emitting unit emits light toward the inner circumferential surface. | 05-09-2013 |
| 20130114294 | FRONT LIGHT DEVICES AND METHODS OF FABRICATION THEREOF - A illumination device comprises a light guide having a first end for receiving light and configured to support propagation of light along the length of the light guide. A turning microstructure is disposed on a first side of the light guide configured to turn light incident on the first side and to direct the light out a second opposite side of the light guide, wherein the turning microstructure comprises a plurality of indentations. A cover is physically coupled to the light guide and disposed over the turning microstructure. An interlayer is between the cover and the light guide, wherein the interlayer physically couples the cover to the light guide. A plurality of open regions is between the interlayer and the plurality of indentations. Various embodiments include methods of coupling the cover to the light guide while preserving open regions between the cover and plurality of indentations. | 05-09-2013 |
| 20130141938 | LIGHT TURNING DEVICE WITH PRISMATIC LIGHT TURNING FEATURES - A light guide device includes a light guide body and two or more pluralities of spaced-apart slits. The slits are formed by undercuts in the light guide body. Sidewalls of the slits form facets that redirect light impinging on the facets. In some embodiments, the light guide body is attached to a light source. The light source emits light that is injected into the light guide body and the slits redirect the light out of the light guide body and towards a desired target. In some embodiments, the target is a display and a first plurality of slits directs light from the light source across the light guide body and over the face of the display. A second plurality of slits then directs light out of the light guide body and towards the display. | 06-06-2013 |
| 20130182456 | Edge type LED backlight unit - A LED backlight unit structure, especially a edge type LED backlight unit, which had a substrate and a one or plurality LED light source lay on the substrate, and a light guide plate | 07-18-2013 |
| 20130188391 | OPTICAL ARRANGEMENT - The invention relates to an optical arrangement having a light source, which emits a beam, and having a light guide, which has a light-guiding layer, in which the coupled-in beam is guided between two substantially mutually opposite surface-type reflection layers. The optical arrangement is characterized in that the optical light paths of the individual rays of the beam, in particular at least of the marginal rays, from the light source to impingement on one of the reflection layers are substantially of equal length. | 07-25-2013 |
| 20130208502 | SPREAD ILLUMINATING APPARATUS - A spread illuminating apparatus includes: a point light source; a light guide plate; a brightness distribution control lens that controls a spread angle of light emitted from the point light source; and a Fresnel lens that adjusts the spread angle making light to advance along an optical axis in the light guide plate. Multiple prisms extend along a lengthwise direction of an incident light surface and are formed on an emitting surface of the light guide plate or a surface opposite to the emitting surface, and at least some certain prisms in the multiple prisms are formed as that a ratio of the prism depth relative to the thickness of the light guide plate is larger at a side portion of the point light source than at a front portion of the point light source. | 08-15-2013 |
| 20130215645 | LIGHT GUIDE PLATE, BACKLIGHT UNIT INCLUDING THE SAME, DISPLAY APPARATUS, AND METHOD OF MANUFACTURING THE SAME - A light guide plate, a backlight unit including the light guide plate, a display apparatus and a method of manufacturing the light guide plate, the light guide plate including: a first body with a first light entry surface through which light enters; a second body with a light exit surface through which the incident light exits the first body; and a quantum dot layer disposed between the first body and the second body with a quantum dot which converts a wavelength of the light incident through the light entry surface and is. | 08-22-2013 |
| 20130223096 | LIGHT UNIT - The present invention provides a light unit, comprising a printed circuit board equipped with a plurality of LEDs; and a light guide member equipped with mounting grooves to house the LEDs. It is preferred that the light guide member comprises one surface and another surface facing the one surface; a first density pattern area and a second density pattern area having higher density than that of the first density pattern area are formed in the one surface; and the second density pattern is disposed in an area closer to the light emitting surface of the LED than the first density pattern area. | 08-29-2013 |
| 20130229825 | LIGHT SOURCE HAVING LIGHT EMITTING DIODE - An LED includes an LED chip, a first package configured for packaging the LED chip, the first package including a flat first surface, and a second package including a second surface opposing the first surface. A micro-structure is defined in the second surface and protruding toward the first surface. A gap is maintained between the first and second surfaces. The gap is filled with a filler, and the refractive index of the filler is smaller than that of the first and second packages. Light generated by the LED chip radiates first through the first package, then the gap and the micro-structure, thereafter the second package to finally reach an outside of the LED. A light module including the LED is also provided. | 09-05-2013 |
| 20130250612 | DISPLAY DEVICE AND PLANAR LIGHT SOURCE DEVICE - The present invention relates to a technique which makes a backlight used in a liquid crystal display device thin and light-weight. The present invention provides a liquid crystal display device which includes a display panel and a backlight arranged behind the display panel, wherein the backlight includes a film-like light guide member, a film-like light semi-transmissive member adhered to a first surface of the light guide member which faces the display panel in an opposed manner, a film-like reflective member adhered to a back surface of the light guide member opposite to the first surface, and a spot light source arranged at a position of the light guide member at which light is incident on the light guide member from the first surface or the back surface. A refractive index of the light semi-transmissive member is set smaller than a refractive index of the light guide member. | 09-26-2013 |
| 20130250613 | SWITCH, KEYBOARD INSTRUMENT PROVIDED WITH THE SAME, AND LIGHT EMISSION CONTROL CIRCUT - A switch according to the present invention includes: a substrate; a touch sensor; a light guide plate; a light emitting unit; and a control unit. The light guide plate has a surrounding side surface chamfered so that a light entering into the surrounding side surface of the light guide plate diffusely reflects inside the light guide plate. The light emitting unit is arranged at a position facing the surrounding side surface of the light guide plate. The light emitting unit is configured to emit the light to the surrounding side surface of the light guide plate. | 09-26-2013 |
| 20130250614 | ILLUMINATION ASSEMBLY AND METHOD OF FORMING SAME - An illumination assembly that includes a light guide and a plurality of light sources positioned to direct light into the light guide through an input surface of the light guide is disclosed. The assembly further includes a structured surface layer positioned between the plurality of light sources and the input surface of the light guide. The structured surface layer includes a substrate and a plurality of structures on a first surface of the substrate facing the plurality of light sources. The plurality of structures includes a refractive index n | 09-26-2013 |
| 20130258708 | Backlight Module - The present invention provides a backlight module including a backplane, a backlight source arranged inside the backplane, and a prism mounted to the backplane and located above the backlight source, and a light guide plate arranged in the backplane. The light guide plate has a light incident surface. The backlight source is located beside the light incident surface of the light guide plate. The backlight source has a light emitting surface, whereby light emitting from the light emitting surface is refracted by the prism to transmit through the light incident surface into the light guide plate in order to have a majority of the light emitting from the backlight source deflected to directly enter the light guide plate, thereby reducing loss of optic energy and improving light coupling efficiency. | 10-03-2013 |
| 20130258709 | ILLUMINATION ASSEMBLY AND METHOD OF FORMING SAME - An illumination assembly that includes a light guide and a plurality of light sources operable to direct light into the light guide is disclosed. The light sources have a center-to-center spacing of at least 15 mm, and a distance between a primary emitting surface of at least one light source of the plurality of light sources and the input surface is no greater than 1 mm. The assembly further includes a structured surface layer positioned between the plurality of light sources and the input surface. The structured surface layer includes a substrate and a plurality of structures on a first surface of the substrate facing the plurality of light sources. The assembly further includes a plurality of extraction features operable to direct light from the light guide through an output surface of the light guide. | 10-03-2013 |
| 20130265803 | Light Guide Plate and Backlight Module - Disclosed are a light guide plate and backlight module. The light guide plate comprises a bottom surface and a top surface opposite to the bottom surface. A plurality of micro-structure units are set up adjacently at the top surface or/and bottom surface of lateral side of the light guide plate. Each micro-structure unit comprises a plurality of branches of micro-structures, and a plurality of micro-structures in each micro-structure unit extend diffusely at the top surface or/and bottom surface of the light guide plate. It is capable of mixing light sufficiently in a shorter distance via the establishment of the light guide plate to attribute the light intensity of the side-light type backlight module even to avoid shadow without raising a frame thickness. | 10-10-2013 |
| 20130272024 | DIFFUSION STRUCTURE AND LIGHTING DEVICE WITH SUCH DIFFUSION STRUCTURE - A diffusion structure and a lighting device with the diffusion structure are provided. The diffusion structure includes a first surface and a second surface. A speckle layer is formed on the first surface. A grating layer is formed on the second surface. The grating layer is arranged between a light source and the speckle layer. Consequently, plural light beams emitted by the light source are sequentially transmitted through the grating layer and the speckle layer and then outputted to surroundings. | 10-17-2013 |
| 20130314944 | LIGHT EMITTING PANEL ASSEMBLIES - An optical assembly comprises light sources and a light emitting panel member having an input edge to which each of the light sources is optically coupled at a different location along the input edge. Different sets of individual optical deformities on or in at least one of the sides of the panel member each have at least one surface that is shaped or oriented to extract light propagating in the same direction through the panel member in different directions for viewing from different angles through one of the sides of the panel member. | 11-28-2013 |
| 20130322115 | EDGE LIT LIGHTING ASSEMBLY WITH SPECTRUM ADJUSTER - A lighting assembly comprises a light source and a light guide having a light input edge and a light output surface. Light from the light source enters the light input edge and is propagated within the light guide by total internal reflection. A spectrum adjuster is adjustable or selected to achieve a desired spectrum of the light within the light guide. | 12-05-2013 |
| 20130329456 | Side-Edge Backlight Module - The present invention provides a side-edge backlight module, which includes a backplane, a light guide plate arranged inside the backplane, a backlight source arranged inside the backplane, and a photo coupler arranged between the light guide plate and the backlight source, whereby light emitting from the backlight source is subjected to light mixing by the photo coupler and then enters the light guide plate so as to improve homogeneity of light illumination of the light guide plate at a location close to a backlight source. The side-edge backlight module arranges a photo coupler between a light incidence surface of a light guide plate and LED lights of a backlight source in order to make lights emitting from the backlight source incident to the light guide plate in a uniform manner thereby providing the light guide plate with homogeneous light illumination. | 12-12-2013 |
| 20130336002 | BACKLIGHT MODULE - A backlight module has a light guide plate, a notch structure, a light absorption layer, and at least one light source. The light guide plate has a light-emitting surface and at least one side surface forming an angle with the light-emitting surface. The notch structure is continuously formed on the side surface and concave towards the inside of the light guide plate. The light absorption layer is distributed on an area substantially overlapping the notch structure, and the light source is stored in the notch structure. | 12-19-2013 |
| 20130336003 | BACKLIGHT MODULE - A backlight module is disclosed in the present invention. The backlight module includes a light guiding plate, a light source, a transformer and a constrainer. The transformer is disposed between the light guiding plate and the light source. The transformer is for transforming a first beam emitted from the light source into a second beam, so as to transmit the second beam to the light guiding plate, wherein a spectrum of the first beam is different from a spectrum of the second beam. The constrainer is connected to the light source for constraining a movement of the transformer. The constrainer includes a first fixing portion disposed on the light source and a second fixing portion connected to the first fixing portion, the second fixing portion being disposed on the transformer to fix the transformer relative to the light source. | 12-19-2013 |
| 20140029297 | DISPLAY DEVICE - A display device includes a side light type backlight for white color display by single color LEDs, an LED set is placed in a concave portion of a light guide plate, in which a first color LED is located in the center and a second or third color LED is located on the side of the first color LED. An incident slit with an arc shaped convex portion is formed facing the first color LED, and a saw tooth slit with a right-angled triangular concave portion is formed facing the second or third color LED. This allows directing the distribution axes of the lights from the second and third color LEDs to the center side, and adjusting orientation angles to allow effective mixing of the three color lights, in order to increase the white color area and effective display area. | 01-30-2014 |
| 20140029298 | OPTICAL MEMBER AND DISPLAY DEVICE INCLUDING THE SAME - Disclosed are an optical member and a display device including the same. The optical member includes a receiving member; a host in the receiving member; and a plurality of wavelength conversion particles distributed in the host. The receiving member includes a light incident part having a first refractive index; and a light exit part having a second refractive index different from the first refractive index. The optical member improves the optical characteristics by adjusting the refractive indexes of the light incident part and the light exit part. | 01-30-2014 |
| 20140036532 | DISPLAY DEVICE - Disclosed is a display device. The display device includes a light source; a wavelength conversion member to convert a wavelength of light generated from the light source; and a light guide member to guide the light converted by the wavelength conversion member, wherein the wavelength conversion member is disposed in an insertion hole formed in the light guide member. | 02-06-2014 |
| 20140049981 | BACKLIGHT UNIT - Disclosed is a backlight unit. The backlight unit includes a light source, and a cover bottom internally accommodating the light source. Here, the cover bottom is divided into re-numbered (n>1) sub-cover bottoms, and a coupling unit for mutually fixing and coupling the divided cover bottoms is formed at ends of each of the cover bottoms facing each other. | 02-20-2014 |
| 20140056024 | NANOPHOSPHOR SHEET AND BACKLIGHT DEVICE - A nanophosphor sheet is presented. The nanophosphor sheet may include a base layer, a plurality of core-shell phosphors dispersed in the base layer, and a coating layer surrounding at least one core-shell phosphor among the plurality of core-shell phosphors. Also presented is a backlight device that includes a light source emitting light, a light guide plate receiving the light, and a plurality of core-shell phosphors positioned to receive the light and convert the light to white light. The core-shell phosphors may be incorporated into the light guide plate or be positioned on the light guide plate as a separate layer. | 02-27-2014 |
| 20140063843 | DISPLAY DEVICE - Provided is a display device, which includes a light source, a light guide plate, a light conversion member, and a display panel. Light is incident to the light guide plate from the light source. The light conversion member is between the light source and the light guide plate. The display panel is on the light guide plate. The light guide plate includes a central region corresponding to an available display region of the display panel for displaying an image, an outer region around the central region, and a total reflection surface inclined from an optical axis of the light source, and disposed in the outer region. | 03-06-2014 |
| 20140104874 | PHOSPHOR, LIGHT EMITTING DEVICE, SURFACE LIGHT SOURCE DEVICE, DISPLAY DEVICE AND ILLUMINATION DEVICE - There are provided a phosphor, a light emitting device, a surface light source device, a display device and an illumination device. The phosphor includes an α-type Si | 04-17-2014 |
| 20140126238 | LIGHT SOURCE MODULE AND MANUFACTURING METHOD THEREOF - A light source module including a light emitting unit for emitting a light beam, a light guiding plate, and a light coupling unit is provided. The light guiding plate has a first light emitting surface, a first bottom surface, and a first light incident surface, wherein the first light emitting surface is opposite to the first bottom surface, and the first light incident surface connects the first light emitting surface and the first bottom surface. The light coupling unit has a second light incident surface and a second light emitting surface in contact with the first light incident surface. The light emitting unit is disposed beside the second light incident surface. The light beam enters the light coupling unit through the second light incident surface, exits the light coupling unit through the second light emitting surface, and then enters the light guiding plate through the first light incident surface. | 05-08-2014 |
| 20140146565 | Backlight LED Structure, Backlight and Display Device - The present invention discloses a backlight LED structure, a backlight and a display device. In the backlight LED structure, a flange structure is arranged at the upper side of an LED bracket which is defined when the LED bracket is mounted close to a light guide plate such that the flange structure covers the upper side of the light guide plate when the LED structure and the light guide plate are assembled. In addition, each of the two ends of the flange structure has an angular area extending outwards, and the lower surfaces of the two angular areas are distributed with light guide points. The backlight LED structure can prevent the LED light from being emitted from the fitting gap between the backlight LED structure and the light guide plate, and control direction of light between the backlight LED structures and scatter travel direction of the light. | 05-29-2014 |
| 20140146566 | Backlight Module - A backlight module including a light source, a light guide plate, and a light-transmitting structure is provided. The light source includes LEDs each having a light exit surface. The light guide plate has a light incident surface and a light exit surface perpendicular to the light incident surface. The light-transmitting structure has a light incident surface and a light exit surface opposite to the light incident surface, and is disposed to fill a gap between the light exit surfaces of the light source and the light incident surface of the light guide plate. The light exit surfaces of the light source are connected to the light incident surface of the light-transmitting structure; the light exit surface of the light-transmitting structure is connected to the light incident surface of the light guide plate; the light exit surface of the light guide plate outputs diffused light. The invention may realize narrower bezel design, reduce the number of the LEDs, and enhance light incident coupling efficiency between the light source and the light guide plate. | 05-29-2014 |
| 20140153282 | LIGHTING ASSEMBLY WITH A LIGHT GUIDE HAVING LIGHT-REDIRECTING EDGE FEATURES - A lighting assembly includes a light source to emit on-axis light rays at smaller angles relative to an optical axis of the light source, and off-axis light rays at larger angles relative to the optical axis and spectrally different from the on-axis light rays. The lighting assembly additionally includes a light guide having a light input edge adjacent the light source and opposed major surfaces between which light from the light source propagates by total internal reflection. The light input edge has an edge feature aligned with the light source to receive light therefrom. The edge feature specularly redirects the on-axis light rays and the off-axis light rays differently to increase overlap between the on-axis light rays and the off-axis light rays within the light guide. The increased overlap reduces spatial color variation of light extracted from the light guide between locations at different angles from the optical axis. | 06-05-2014 |
| 20140160788 | NVIS COMPATIBLE BACKLIGHT DEVICE AND LCD USING THE SAME - A backlight device for a liquid crystal display containing a substantially planar light guide with a light emission surface and a light-collecting portion opposing the light emission surface. A pair of opposing side portions may define the periphery of the light guide. A first plurality of LEDs are placed so as to direct the emitted light into the light-collecting portion. An NVIS filter is preferably placed adjacent to at least one of the side portions. A second plurality of LEDs are placed to direct the emitted light through the NVIS filter and into a side portion of the light guide. Alternative embodiments can contain NVIS filters and LEDs along additional edge portions of the light guide. Some embodiments may use directing elements or slanted surfaces of the light guide to direct the light from the second plurality of LEDs into the edge portions of the light guide. | 06-12-2014 |
| 20140160789 | OPTICAL MEMBER AND DISPLAY DEVICE HAVING THE SAME - Disclosed are an optical member and a display device. The display device includes a light guide plate; a light source on a lateral side of the light guide plate; and a wavelength conversion member between the light source and the light guide plate. The wavelength conversion member includes a receiving part between the light source and the light guide plate; a host in the receiving part; and a plurality of wavelength conversion particles in the host. The receiving part includes a convex part between the light source and the host; and a concave part between the light guide plate and the host. | 06-12-2014 |
| 20140160790 | OPTICAL MEMBER AND DISPLAY DEVICE HAVING THE SAME - Disclosed are an optical member, a display device having the same, and a method of fabricating the same. The optical member includes a receiving part having an empty space therein, a host in the receiving part, a plurality of wavelength conversion particles in the host, a sealing part in the receiving part, and a pre-treatment layer between the sealing part and an inner surface of the receiving part. | 06-12-2014 |
| 20140177271 | LED BACKLIGHT MODULE HAVING REDUCED LIGHT LEAKAGE, INCREASED LIGHT EXTRACTION EFFICIENCY AND REDUCED COST - A backlight module includes a light guiding board and a plurality of LED light sources located at a flat lateral side of the light guiding board. The light guiding board comprises a first portion and a second portion, and the first portion is located between the LED light sources and the second portion. The first portion is intimately matched and engaged with the second portion. The refractive index of the first portion is unequal to that of the second portion. A plurality of micro-structures are formed on the surface of the first portion facing towards the second portion. The micro-structure is used for diffusing the light of the LED light sources when the light travels from the first portion to the second portion. The second portion is quite larger than the first portion. | 06-26-2014 |
| 20140177272 | BACKLIGHT MODULE - A backlight module includes a light guiding board and a number of LED light sources located a lateral side of the light guiding board. The light guiding board includes a top surface and a bottom surface opposite to the top surface. A slot is defined at the lateral side of the light guiding board adjacent to the LED light sources. The slot is depressed away from the LED light sources. The slot extends along a direction where the LED light sources are arranged along. Confronting faces of a plurality of protrusions defining the slot refract the light when the light is emitted from the LED light sources and enters into the light guiding board to change a transmitting direction of the light. The bottom surface of the light guiding board is a light reflecting surface. | 06-26-2014 |
| 20140211501 | LIGHT GUIDE PLATE AND BACKLIGHT MODULE INCLUDING SAME - A backlight module includes a light guide plate and a number of light sources. The light guide plate includes a frosted light incident surface, diffusion structures positioned on the frosted light incident surface, and dot-shaped micro-recesses positioned on the diffusion structures. The light sources face the frosted light incident surface. | 07-31-2014 |
| 20140211502 | OPTICAL WAVEGUIDES AND LUMINAIRES INCORPORATING SAME - According to one aspect, a waveguide includes a waveguide body having a coupling cavity extending therethrough and a plug member having a first portion disposed in the coupling cavity. The plug member includes an outer surface substantially conforming to the coupling cavity and a second portion extending from the first portion into the coupling cavity and a reflective surface adapted to direct light in the coupling cavity into the waveguide body. | 07-31-2014 |
| 20140211503 | WAVEGUIDE BODIES INCLUDING REDIRECTION FEATURES AND METHODS OF PRODUCING SAME - According to one aspect, a waveguide includes a body exhibiting a total internal reflectance characteristic and having a first face and a second face opposite the first face wherein the first and second faces extend along a lateral direction and a coupling cavity adapted to receive a light emitting diode (LED) that is configured to direct light into the body. The body additionally includes an extraction feature disposed on one of the first and second faces and configured to direct light traveling through the body out of at least one of the first and second faces. The body further includes a redirection feature disposed at least in part between the first and second faces and disposed between the coupling cavity and the extraction feature along the lateral direction, and configured to redirect light traveling through the body laterally within the body. | 07-31-2014 |
| 20140254194 | LIGHT GUIDE FOR IMPROVING DEVICE LIGHTING - A light guide guides light from a light emitter that is adjacent to an aperture of an electronic device. The light is eventually emitted from the aperture, to thereby provide lighting. The light guide can include a plurality of prisms which can thereby permit reduction in the overall thickness of the electronic device. | 09-11-2014 |
| 20140268872 | LOW-PROFILE LIGHTING SYSTEMS - This disclosure provides systems, methods, and apparatuses for low-profile lighting systems. In one aspect, a lighting apparatus can include a lighting apparatus having a light emitter and an electronics substrate including an electrical circuit. An unrolled capacitive film can be attached to the lighting apparatus and electrically coupled to the electrical circuit. | 09-18-2014 |
| 20140286048 | SWITCHABLE LUMINESCENT SEE-THROUGH SYSTEM - The present invention relates to a switchable see-through luminescent system, e.g. for luminous signage, characterized by its mode to exist in two different states, transparent (‘off-state’) and luminescent (‘on-state’), due to the presence of a luminescent material ( | 09-25-2014 |
| 20140293645 | ILLUMINATION DEVICE AND LIGHT-GUIDING MEMBER - In one embodiment, an illumination device includes a light-guiding unit having a light output surface which outputs light and a back surface facing the light output surface, wherein the light-guiding unit has a curved surface in a region of the back surface farther than a first position on the back surface that is away by a first distance from an axis passing the light output surface and the back surface, and a rough surface in a region of the light output surface farther than a second position on the light output surface that is away by a second distance from the axis in a same direction as a direction from the axis toward the first position, and where an intersection of the axis and the back surface is an origin point, and a direction of the axis from the back surface to the light output surface is positive, a normal line of the curved surface intersects with the axis at the positive side of the axis, and an angle formed by a normal line vector at the second position in a direction toward the light output surface from the back surface of the light output surface and a vector in a direction from the curved surface to the second position is equal to or more than a critical angle. | 10-02-2014 |
| 20140301105 | BACK LIGHT UNIT WITH LIGHT GUIDE PLATE PREVENTING DARK AREA BETWEEN LEDS - A backlight unit with a light guide plate preventing the dark area between light emitting diodes (LEDs) is provided, wherein a plurality of dark area-preventing patterns formed on an incidence plane of a light guide plate and having different angles of inclination or different radii of curvature may evenly diffuse lights incident from an LED even under the condition that the gap between the LEDs is relatively broad and greater than or equal to the width of an LED and thus, uniform brightness may be obtained without an occurrence of a dark area. Accordingly, the number of the LEDs may be decreased and the backlight unit may be fabricated with a relatively low cost. | 10-09-2014 |
| 20140307467 | PROFILED LIGHT GUIDE PLATE, BACKLIGHT MODULE AND LIQUID CRYSTAL DISPLACE DEVICE - Embodiments of the present invention relate to a profiled light guide plate, a backlight module and a liquid crystal display device. In the profiled light guided plate according to the embodiments of the present invention, because the reflectivity of the profiled assembly is less than that of the light entry assembly, the emergent angle of the light beam entering into the profiled assembly from the light entry assembly is larger than the incident angle thereof, which causes the light beam entering from the light entry assembly into the profiled assembly to converge towards the central part of the profiled assembly, away from the ramp of the profiled assembly, thereby decreasing the amount of light leakage from the ramp. | 10-16-2014 |
| 20140307468 | LIGHT GUIDE PLATE AND BACKLIGHT MODULE - A light guide plate includes a light emitting surface, a bottom surface opposite to the light emitting surface, a first side surface, a second side surface, and a light incident surface. The first side surface and the second side surface connect the light emitting surface to the bottom surface. The light incident surface is connected to the light emitting surface, the bottom surface, the first side surface, and the second side surface. A plurality of diffusing micro-structures is formed on the light incident surface. | 10-16-2014 |
| 20140313770 | DISPLAY DEVICE - Disclosed is a display device. The display device includes a light source, a light guide part to receive a light emitted from the light source, a light conversion member between the light source and the light guide part, and a spacer between the light source and the light conversion member. | 10-23-2014 |
| 20140321157 | BACK LIGHT UNIT WITH LIGHT GUIDE PLATE PREVENTING DARK AREA BETWEEN LEDS - A backlight unit with a light guide plate preventing a dark area between LEDs is provided, wherein dark area-preventing patterns may adequately compensate for the brightness in a gap between the LEDs that may be a dark area even under the condition that the gap is relatively large and greater than or equal to the width of an LED and thus, uniform brightness may be obtained without an occurrence of the dark area. Accordingly, the number of the LEDs may decrease and thus, a large-sized backlight unit may be fabricated with a relatively low cost. | 10-30-2014 |
| 20140328082 | LIGHTING PANEL - A lighting panel and method of production thereof is described. The lighting panel comprises a transparent substrate ( | 11-06-2014 |
| 20140334181 | BACKLIGHT UNIT OF DISPLAY DEVICE AND WHITE LED - A backlight unit of a display device includes a light bar and a light guide plate (LGP), where a plurality of ultraviolet (UV) light emitting diodes (LEDs) are arranged on the light bar, and a light incident surface of the LGP and the UV LEDs are oppositely arranged. at least one red-green-blue (RGB) quantum dot phosphor layer is arranged in a path of a light from the UV LEDs to a light emitting surface of the LGP. The RGB quantum dot phosphor layer comprises a red quantum dot fluorescence film, a green quantum dot fluorescence film, and a blue quantum dot fluorescence film that are successively arranged. | 11-13-2014 |
| 20140347882 | BACKLIGHT SYSTEM - An optical system comprises a light source emitting light, a collimating structure to substantially collimate the light, a converter unit to receive the substantially collimated light having an area illuminating a first aspect ratio and outputting light having an area illuminating a second aspect ratio, the second aspect ratio greater than the first aspect ratio by at least a factor of four, and a backlight light guide to receive the light from the converter unit. | 11-27-2014 |
| 20140376259 | RED PHOSPHOR, WHITE LIGHT EMITTING DEVICE, DISPLAY APPARATUS AND ILLUMINATION APPARATUS - A red phosphor includes a nitride represented by an empirical formula of Sr | 12-25-2014 |
| 20150009709 | LIGHT GUIDE PLATE AND BACKLIGHT UNIT - This invention relates to a light guide plate and a backlight unit, and more particularly, to a light guide plate and a backlight unit, wherein the light guide plate includes a light incident part to which light is incident from a light source located at a lateral side of the light guide plate and which is imparted with patterns, in which the patterns are formed such that a pattern-dense region and a pattern-sparse region are periodically repeated, and the pattern density between the pattern-dense region and the pattern-sparse region varies in a gradation, thus increasing luminance uniformity without affecting the luminance. | 01-08-2015 |
| 20150023055 | LIGHT SOURCE ASSEMBLY, BACKLIGHT ASSEMBLY HAVING THE SAME AND DISPLAY APPARATUS HAVING THE SAME - A light source assembly includes a red laser diode configured to generate a red laser light, a blue laser diode disposed adjacent to the red laser diode, and configured to generate a blue laser light or a cyan laser light, a green phosphor disposed on the blue laser diode, and configured to change a wavelength of the blue laser light or the cyan laser light, and a holographic diffuser disposed on the green phosphor and the red laser diode. The holographic diffuser is configured to diffuse or scatter the red laser light and is configured to diffuse or scatter the blue laser light or the cyan laser light which passed the green phosphor. | 01-22-2015 |
| 20150029749 | PATTERNED LIGHT DISTRIBUTION DEVICE WEDGE (PLDW) - A backlight apparatus comprised of a light pipe with one or more light input ends, a top surface, a bottom surface, opposing side, a non imaging optic collimator and scatter inducing elements. The non imaging optic collimator causes the light rays entering into the light pipe to be directed towards the far end relative to the light input end in a specified angular distribution. Pluralities of scatter induced elements (SIE) are introduced in the body of the light pipe between the applicable light input end and the corresponding far end. Individual scatter induced elements may be formed in any geometry, and may be grouped or separated such that there exists a variation of SIE each individually or as grouped, possessing discrete geometries. The light pipe may also vary in the quantity of said SIE at any specified location of the device, and each SIE will have an index of refraction either greater or lesser relative to the index of refraction of the light pipe at the location surrounding the individual scatter induced element. The said SIE cause the light rays to exit the top surface of the device at a specific angular profile and at a specific angular direction with reference to the plane of the light pipe. | 01-29-2015 |
| 20150029750 | LIGHT GUIDE PLATE AND BACKLIGHT MODULE INCORPORATING THE SAME - A light guide plate includes a light incident face, a bottom face adjacent to the light incident face and a light exit face opposite to the bottom face. The micro lenses are formed on the light incident face in series to diffuse light incident thereon. Two adjacent micro lenses cooperatively define a V-shaped groove therebetween. Each groove defines an opening. The width of the openings of the grooves gradually changes from a center of the light incident face toward lateral sides thereof. A backlight module incorporating the light guide plate is also provided. | 01-29-2015 |
| 20150029751 | BACKLIGHT UNIT AND DISPLAY DEVICE HAVING THE SAME - A backlight unit includes a light source which generates light, a light guide plate which guides the light substantially in an upward direction, a first frame member which holds the light source and diffuses the light traveling substantially in the upward direction between the light source and the light guide plate, a second frame member which holds the light guide plate, a third frame member which holds the light guide plate, a reflective plate disposed under the light guide plate and which reflect the light leaked downwardly from the light guide plate substantially to the upward direction, and an optical sheet disposed on the light guide plate and the first to third frame members and which diffuses the light provided from the first frame member and the light guide plate and condenses the light substantially in the upward direction. | 01-29-2015 |
| 20150036380 | LIGHT GUIDE PLATE AND BACKLIGHT MODULE HAVING THE SAME - A light guide plate includes a light incident surface, a light emitting surface, a bottom surface, a first lateral surface, and a second lateral surface. The light incident surface has a plurality of elongated optical microstructures, and each elongated optical microstructure has an inclined surface and a curved surface connected with each other. The light guide plate is capable of increasing uniformity and utilization rate of light beam emitting from the light guide plate. A backlight module using the light guide plate is also provided. | 02-05-2015 |
| 20150049506 | BACKLIGHT MODULE AND DISPLAY DEVICE USING SAME - A backlight module includes a light guide plate and a number of light sources. The light guide plate includes a first surface and a number of projecting portions extending from the first surface corresponding to the light sources. Each projection portion includes a second surface facing a light source. A number of microstructures are formed on the second surface for increasing the divergence angle of the light incident to the light guide plate through the second surface. | 02-19-2015 |
| 20150062964 | LED MODULE WITH LIGHT GUIDING PLATE - An LED module includes an LED, a light guiding plate and a lens. The light guiding plate includes a light incident face confronting the LED, a light diffusion face and a light emerging face. The lens includes an aspheric light incident face and an aspheric light emerging face opposite to the aspheric light incident face. Light emitted from the LED is diffused by the light guiding plate and diverged by the lens to have a wide illumination area. | 03-05-2015 |
| 20150062965 | LIGHT EMITTING DEVICE PACKAGE AND BACKLIGHT UNIT HAVING THE SAME - Provided are a light emitting device package in which lens tilting is prevented to reduce luminance and color deviations and a backlight unit having the same. The light emitting device package includes an encapsulation material disposed on a substrate to surround a light emitting device and a guide member disposed on the encapsulation material to guide an assembly path of a lens. The guide member includes a first inclined surface having a first inclination to guide a light incident part of the lens and a second inclined surface having a second inclination greater than the first inclination to further guide the light incident part of the lens. | 03-05-2015 |
| 20150092440 | LIGHT GUIDE PANEL, BACK LIGHT ASSEMBLY AND DIPLAY APPARATUS EACH HAVING THE LIGHT GUIDE PANEL AND METHOD OF MANUFACTURING THE LIGHT GUIDE PANEL - A Light guide panel, back light assembly and display apparatus are provided. According to an aspect of the inventive concept, there is provided the light guide panel which includes a top surface, a bottom surface, and four side surfaces, and one of the four side surfaces may be a light incident surface. | 04-02-2015 |
| 20150092441 | LIGHT GUIDE BODY AND LIGHT-EMITTING DEVICE - An exit surface of a light guide plate includes a first position from which first emitted light is emitted within an angular range that causes the first emitted light to be applied to one eye and the vicinity thereof and a second position from which second emitted light is emitted within an angular range that causes the second emitted light to be applied to the other eye and the vicinity thereof. A straight line that passes through the first position and the center of the one eye and a straight line that passes through the second position and the center of the other eye intersect with each other. | 04-02-2015 |
| 20150092442 | DISPLAY, DISPLAY ASSEMBLY, AND BACKLIGHT MODULE - A display includes a display panel, an image compensating portion, and a backlight module. The display panel includes a main display region and a periphery display region outside the main display region. The image compensating portion corresponding to the periphery display region includes a plurality of light guiding channels. The backlight module provides lights to the display panel. The backlight module comprises a plurality of first light collecting module. The first light collecting module focuses lights emitted from a first direction on a first light collecting axis parallel with an axis of the light guiding channel. The first direction is perpendicular to a first plane parallel with the display panel. | 04-02-2015 |
| 20150109818 | BACKLIGHT MODULE - A backlight module includes a laser light source, a light guiding board located at a side of the laser light source, a first lens and a second lens both located at a light path of light beams emitted from the laser light source. The laser light source includes one laser diode or a plurality of laser diodes. The light guiding board includes a light incident face and a light emerging face. The first lens firstly converges and then diverges the light beams emitted from the laser light source. The second lens changes the light beams passed through the first lens to be parallel light beams. The parallel light beams have a larger width than that of the light beams just emitted from the laser light source. The parallel light beams enter the light guiding board via the light incident face of the light guiding board. | 04-23-2015 |
| 20150109819 | BACKLIGHT MODULE AND LIQUID CRYSTAL DISPLAY - Disclosed is a backlight module having light sources and a light guide plate, and the light guide plate has an incident side, and the lights emitted by the light sources pass through the incident side and enter into the light guide plate, and the a light direction changing layer is positioned at the incident side, and the light direction changing layer is employed for changing progress directions of the lights entering the incident side to shorten a distance perpendicular to the incident side from an intersection point of the lights emitted by adjacent light sources to the light sources. The present invention also discloses a liquid crystal display. | 04-23-2015 |
| 20150117053 | LIGHT GUIDE PLATE - A light guide plate including a plate body and a plurality of microstructures formed thereon is provided. The plate body has a light entrance surface, a light exit surface orthogonal to the light entrance surface, and at least one side surface neighboring the light exit surface and the light entrance surface. At least one light source is disposed near the light entrance surface, such that light generated by the light source enters the plate body through the light entrance surface and exits from the plate body through the light exit surface. The microstructures are arranged on the light entrance surface and the at least one side surface, and the microstructures on the light entrance surface are convex-shaped and the microstructures on the at least one side surface are concave-shaped. | 04-30-2015 |
| 20150293292 | DISPLAY DEVICE - A display device includes a light source, a light guide plate in which light emitted from the light source is incident on one surface and is emitted to the other surface, a bottom case configured to accommodate the light guide plate, a wavelength conversion unit between the light source and the light guide plate, a wavelength conversion unit holder disposed on the bottom case on an area corresponding to one end portion of the wavelength conversion unit, and a wave length conversion unit fixed to the wavelength conversion unit holder. | 10-15-2015 |
| 20150301258 | QUANTUM DOT FILLED TUBE AND RELATED DISPLAY DEVICE - A quantum dot filled tube may include a tube having a cavity therein and a phosphor disposed inside the tube. The tube may include: a first tube including a first filling cavity therein; a second tube including a second filling cavity therein; and a connecting unit including a third filling cavity configured to connect the first filling cavity and the second filling cavity. | 10-22-2015 |
| 20150330607 | ILLUMINATION DEVICE FOR SYNTHESIZING LIGHT FROM AN OBJECT AT VIRTUALLY INFINITE DISTANCE - An illumination device for synthesizing light from an object at virtually infinite distance comprises a primary light source configured to emit a primary light, a concentrator positioned downstream the primary light source and configured to reduce the divergence of the primary light, an emitting surface positioned downstream the concentrator, and an absorber made of light-absorbing material positioned upstream the emitting surface and configured to absorb light rays which cross the emitting surface in an upstream direction and which, in the absence of the absorber would not be directed toward the primary light source, wherein the primary light source, the concentrator, the emitting surface and the absorber are configured so that they produces from the primary light an output light that exits the emitting surface with a luminance profile which is spatially uniform across the emitting surface, and has a narrow peak in the polar-angle distribution around an output-light direction. | 11-19-2015 |
| 20150346412 | LIGHT CONDUCTING DEVICE, BACKLIGHT MODULE AND DISPLAY DEVICE - The present disclosure provides a light conducting device, a backlight module and a display device. The light conducting device cooperates with a light source to form a backlight module. The light conducting device includes at least one light receiving surface. The light receiving surface includes a plurality of annular sub-receiving surfaces configured to cause received light from the light source to be emitted in a single direction. | 12-03-2015 |
| 20150369987 | BACKLIGHT ASSEMBLY AND DISPLAY DEVICE HAVING THE SAME - A backlight assembly is provided. The backlight assembly includes a light source, a light guide plate, a light collimation unit, and a guide groove. The light guide plate faces the light source in a first direction. The light guide plate includes a first surface on which light emitted from the light source is incident on and a second surface through which the incident light is emitted. The light collimation unit protrudes from an upper surface of the light guide plate and faces the light source. The guide groove is formed in a lower surface of the light guide plate along the first surface of the light guide plate. | 12-24-2015 |
| 20160004000 | Cover, Portable Electronic Device Using the Same and Method for Manufacturing the Same - A cover, a portable electronic device using the same and a method for manufacturing the same are provided. The cover comprises a transparent layer one surface of which is a textured surface. The cover also comprises a light guide formed in the transparent layer, one of interior surfaces of the light guide being the textured surface, wherein the light guide is for light guiding such that at least one beam of coloured light is guided through the transparent layer and dispersed out of the transparent layer at a surface opposite to the textured surface as a result of being incident on the texture. With the cover according to embodiments of the present invention, a portable electronic device to which the cover is attached could be illuminated with different coloured lights. | 01-07-2016 |
| 20160011354 | BACKLIGHT DEVICE | 01-14-2016 |
| 20160018065 | ILLUMINATION DEVICE WITH MULTI-COLOR LIGHT-EMITTING ELEMENTS - A variety of illumination devices for general illumination utilizing solid state light sources (e.g., light-emitting diodes) are disclosed. In general, an illumination device can include multiple light sources that are disposed on a substrate, where at least some of the light sources include a light-emitting diode (LED) and a corresponding inelastic scattering element surrounding, at least in part, the LED. The inelastic scattering elements can have different light emission spectra. The illumination device can further include a light-mixing element adapted to receive light that is output by the light sources, where, during operation of the illumination device, each inelastic scattering element inelastically scatters light emitted from its corresponding LED, and the light-mixing element mixes the light received from the inelastic scattering elements to provide the output light. | 01-21-2016 |
| 20160033709 | SCANNING TYPE BACKLIGHT MODULE AND DISPLAY DEVICE - The embodiments of the invention disclose a scanning type backlight module and a display device. Since a laser light source with good collimation is applied, during a display time of a frame, with the modulation of the optical path regulator, the laser emitted from the laser light source performs a progressive scanning for a region corresponding to at least one row of pixel units in a light guide plate or a display panel. Therefore, the problem of dynamic picture ghosting can be solved effectively; moreover, since the progressive scanning for the entire light guide plate can be realized by changing the light propagation path of the laser emitted from the laser light source with the optical path regulator, the number of the laser light sources can be reduced and the production cost can be decreased. | 02-04-2016 |
| 20160047964 | LIGHT GUIDE PLATE AND BACKLIGHT UNIT INCLUDING THE SAME - Disclosed are a light guide plate and a backlight unit including the same. The light guide plate includes: a light guide plate including: a light output surface for outputting light to the outside; a reflective surface which is located in the opposite side of the light guide plate; and a light incident surface which is provided in at least one side surface among side surfaces connecting the light output surface and the reflective surface, and to which the light emitted from a light source is incident. A flat portion having a constant thickness is provided in a space which is spaced apart from the light incident surface, and a light input portion is formed in a space between the light incident surface and the flat portion, and a thickness of the light input portion is changed in a greater range than that of the flat portion. | 02-18-2016 |
| 20160053947 | LINEAR LUMINOUS STANDARD - A lighted emitting pole anchored to the ground. The bottom housing is bolted or anchored to an embedded support. The upper housing contains the light portion of the pole. The upper housing is constructed of an inner welded aluminum construction with optical film and an opaque acrylic tube or light guide. A fist donut shaped LED board with optics is mounted to a top of the upper housing and a second LED board with optics is mounted to a bottom of the upper housing. The LEDs emit light between the optical film and the light guide, which provides for an evenly distributed light throughout the pole. A cap is affixed to the top of the upper housing to protect the interior of the pole from the elements. | 02-25-2016 |
| 20160062023 | ILLUMINATION DEVICE, ILLUMINATION EQUIPMENT, AND DISPLAY DEVICE - An illumination device ( | 03-03-2016 |
| 20160066441 | DISPLAY - A display includes a casing, a display panel, a backlight module, a front panel and a cover. The casing has a containing space. The display panel is disposed in the containing space. The backlight module is disposed in the containing space and includes a light guide plate and a light source. The light source is adapted to provide a first light beam and a second light beam. The first light beam enters the light guide plate and is illuminated toward the display panel after being transmitted in the light guide plate. The front panel covers the containing space and has a light penetration region. The cover wraps the light source and has at least a slot. The second light beam passes through the slot to be transmitted toward the light penetration region, and is illuminated out of the containing space from the light penetration region. | 03-03-2016 |
| 20160070045 | BACK LIGHT MODULE - A back light module includes a lens and a plurality of LED elements. The lens includes a light incident surface and a light extraction surface, a plurality of first recesses being defined in the light extraction surface, a plurality of second recesses being defined in the light incident surface. Each first recess has a pair of first inclined surfaces, and an angle between the first inclined surface and a plane where the light incident surface located is larger than or equal to a critical angle of total reflection of the lens. Each second recess has a pair of second inclined surfaces, and an angle between the second inclined surface and the plane where the light incident surface located is less than or equal to the angle between the first inclined surface and the plane where the light incident surface located. | 03-10-2016 |
| 20160091657 | BACKLIGHT MODULE - A backlight module comprising a lamp strip ( | 03-31-2016 |
| 20160139318 | BACKLIGHT MODULE AND DISPLAY APPARATUS - The present disclosure provides a backlight module and a display apparatus. The backlight module comprises a light guide plate, a light source located at one side of the light guide plate at the light incident surface, a lampshade accommodating the light source and being provided with an opening structure with an adjustable size and/or position, and a control device for adjustment of the size and/or position of the opening structure on the lampshade. The amount of light which is irradiated by the backlight module to the light incident surface of the light guide plate may be varied by providing the lampshade which accommodates the light source and disposing the opening structure with an adjustable size and/or position on the lampshade, to achieve an adjustment of the brightness of a display without requiring for adjustment of the current flowing through the light source in the backlight module, thereby causing no impact on the life of the light source. | 05-19-2016 |
| 20160178833 | Electronic appliance | 06-23-2016 |
| 20160187562 | DISPLAY DEVICE - Provided is a display device, which includes a light source, a light guide plate, a light conversion member, and a display panel. Light is incident to the light guide plate from the light source. The light conversion member is between the light source and the light guide plate. The display panel is on the light guide plate. The light guide plate includes a central region corresponding to an available display region of the display panel for displaying an image, an outer region around the central region, and a total reflection surface inclined from an optical axis of the light source, and disposed in the outer region. | 06-30-2016 |
| 20160187563 | DISPLAY APPARATUS - A display apparatus includes a display panel displaying an image using light; a light source generating first light; a light conversion member converting the first light into the light; a case member accommodating the light source and the light conversion member and including an open part to transmit the light which is converted by the light conversion member; and a light guide plate receiving the light through the open part and guiding the light to a upward direction where the display panel is disposed. | 06-30-2016 |
| 20160202406 | DISPLAY DEVICE | 07-14-2016 |
| 20160252667 | BACKLIGHT UNIT AND DISPLAY DEVICE | 09-01-2016 |
| 20160252672 | Luminaire Module Having A Light Guide with Redirecting Interfaces | 09-01-2016 |
| 20160377790 | LIGHT SOURCE ASSEMBLY, BACKLIGHT AND DISPLAY DEVICE - A light source assembly, a backlight and a display device are provided. The light source assembly comprises a bar-shaped light source unit, which comprises an organic light-emitting diode for emitting light and has a light outgoing side; and a light concentration bar, which has a light incidence surface and a light outgoing surface opposite to each other, the light incidence surface being disposed at an outer side of the light outgoing side of the light source unit and matching with the light outgoing side in size, and the light outgoing surface matching with a light incidence side of a light guide plate in size. | 12-29-2016 |
