Abstract: A Liquid Crystal Display (LCD) module for preventing a hot spot that deteriorates an external appearance quality using existing components is provided. The LCD module includes an optical sheet disposed at an upper surface of a light guide plate, a Light Emitting Diode Flexible Printed Circuit Board (LED FPCB) on which an LED for emitting light to the light guide plate is mounted, and a double-sided tape having a portion protruding toward the optical sheet further than the LED FPCB and adhered to a mounting surface of the LED FPCB. Therefore, occurrence of a hot spot can be reduced without increasing components. Further, because a thickness increase of a local portion is unnecessary, a second failure such as panel lifting is not caused.

Abstract: An illumination apparatus includes: a light-guiding plate; a plurality of light-emitting elements disposed along a side-end surface of the light-guiding plate that serves as a light-entry portion, each of the plurality of light-emitting elements has a light-emitting surface which faces toward the light entry portion; a light source substrate, disposed and separated with a space from the light entry portion of the light-guiding plate when viewed from above, that includes a mounting surface for the plurality of light-emitting elements, the mounting surface being orthogonal to the side-end surface serving as the light entry portion; and a step portion with which an end portion of the light source substrate located toward the light-guiding plate makes contact.

Abstract: A backlight unit includes a light source providing a blue light; a light guide plate of glass at a side of the light source; an optical sheet on the light guide plate; a reflective sheet under the light guide plate; and an optic change part including a yellow fluorescent material, wherein the blue light is changed into a white light by the optical change part.

Abstract: A backlight module includes a light guide plate, alight emitting diode, a limiting block, an elastic member, and a bezel having a containing structure. The light guide plate is disposed in the containing structure and has a side surface and a light entrance surface opposite to the side surface. The light emitting diode is disposed at a position corresponding to the light entrance surface of the light guide plate for emitting light into the light guide plate via the light entrance surface. The limiting block is located at a side of the light emitting diode and extends inwardly from the containing structure for abutting against the light entrance surface. The elastic member abuts against at least one of the light entrance surface and the side surface and the containing structure and is used for providing elastic force to drive the light guide plate to abut against the limiting block.

Abstract: A light guiding system includes an ambient light gathering system for absorbing the ambient light to generate absorbed light; multiple light guiding devices each of which includes a light input end near the ambient light gathering system and a light output end near an incident side of a light guiding plate, and multiple light diffusion devices between the light output end and the incident side of the light guiding plate, for broadening a light-emitting angle of the light output end. The absorbed light enters the light input end and is guided to the light output end to form a backlight source. The light guiding system utilizes a light diffusion device to broaden the light-emitting angle of the light output end such that the light uniformity of the light output end is improved and the optical quality of the edge-lighting backlight module is raised.

Abstract: 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.

Abstract: Provided is a liquid crystal display (LCD) with improved heat dissipation and reduced thickness. The LCD includes for an embodiment: a lower housing; a heat-dissipating member which is disposed in the lower housing; a plurality of point light sources which are disposed on the heat-dissipating member; a plurality of electric wires which supply power to the point light sources; and a light guide plate (LGP) which is disposed in the lower housing in such a way that side surfaces of the LGP face the point light sources.

Abstract: Devices such as electronic book readers, tablet computers, laptops, and so forth may use reflective liquid crystal display (“LCD”) technologies. Described herein are devices and methods for illuminating the reflective LCD with a light guide panel. The light guide panel is configured with diffractive or other optical features configured to distribute light to the reflective LCD. A directive reflector may be arranged behind the reflective LCD to improve overall reflectivity by directing impinging light such that optical obstructions such as transistors and electrical traces within the reflective LCD are avoided.

Abstract: A backlight module is used for providing white light to a liquid crystal panel. The backlight module includes a light guide plate, a backlight source, and a phosphor layer structure. The light guide plate has a light entrance surface. The backlight source is disposed on a position corresponding to the light entrance surface of the light guide plate for emitting light. The phosphor layer structure is disposed between the backlight source and the light entrance surface of the light guide plate and is away from the backlight source by a specific distance, for receiving the light emitted by the backlight source to generate the white light.

Abstract: Embodiments of the invention disclose a light-condensing sheet, a backlight and a liquid crystal display. The light-condensing sheet comprises a supporter and a plurality of flat light-condensing films provided on the supporter, and refractive indexes of the plurality of light-condensing films gradually increase from bottom to top.

Abstract: The high intensity light output of edge lighting point light sources such as LEDs may generate undesired leakage light that is optically conducted by way of a continuum of the material of a components affixing adhesive member. In accordance with present disclosure, air filled grooves or other such discontinuities are formed in the adhesive member along respective light output pathways of the respective point light sources. One corresponding embodiment comprises spaced apart LEDs mounted on an FPCB; a light guide plate (LGP) disposed adjacent to the LEDs; a main support accommodating the LEDs and the LGP; and an adhesive member formed to affix together the FPCB, the main support, and the light guide, wherein the adhesive member is patterned to define air filled grooves along respective light output pathways of the LEDs.

Abstract: A liquid crystal display according to an exemplary embodiment of the present invention includes a first display panel and a second display panel which are opposite to each other, a driving unit connection line which is formed in the first display panel, a driving circuit portion which is connected to the driving unit connection line, a backlight unit which is disposed so as to be adjacent to the first display panel, a polarizer which is disposed on a surface of the second display panel and overlaps the driving unit connection line and the driving circuit portion, and a reinforcement unit that overlaps the driving unit connection line, and the polarizer may be disposed on the reinforcement unit.

Abstract: A backlight device (a lighting device) 12 includes LEDs (a light source) 17, a light guide plate 16, a chassis 14, LED boards 18, and heat dissipation members 19. The light guide plate 16 includes an end surface that is opposite the LEDs 17 and configured as a light entrance surface 16b through which light from the LEDs 17 enters. One of the plate surfaces of the light guide plate 16 is configured as a light exit surface 16a through which the light exits. The chassis 14 supports another plate surface 16c of the light guide plate 16 opposite from the light exit surface 16a. Each LED board 18 includes a bottom plate 18b that extends parallel to at least the other plate surface 16c of the light guide plate 16. Each heat dissipation member 19 extends parallel to a plate surface 18b1 of the bottom plate 18b and is in surface contact with the plate surface 18b1 of the bottom plate 18b.

Abstract: The present invention provides a backboard, a backlight module, and a liquid crystal display device. The backboard is configured by at least two units interconnected together, wherein the backboard includes a bottom and sidewall extending from edge of the bottom, wherein the sidewall is provided with at least a fastener which is implemented by attaching a screw onto the sidewall. The backboard is configured by two interconnected units so as to reduce the manufacturing cost. The backlight module and the liquid crystal display device are also benefited with reduced manufacturing cost. The backboard is provided with fastener implemented by attaching a screw. Accordingly, this arrangement is specially suitable for the situation in which the fasteners can not be integrally formed with the backboard. This arrangement is further beneficial for the assembling of the backlight module.

Abstract: A light guiding system, an edge-type backlight module and a liquid crystal display are disclosed. The light guiding system includes an ambient light collection system facing toward ambient light for absorbing the ambient light, a plurality of light guiding devices, and a fluorescent film arranged between the light emitting ends and the light incident surface. Each of the plurality of light guiding devices includes a light emitting end and a light incident end. The light emitting ends are arranged close to a light incident surface of a light guiding plate, and the light incident ends are arranged close to the ambient light collection system. The absorbed ambient light enters the light incident ends and propagates toward the light emitting ends. By adopting the fluorescent film, the light beams from the light emitting ends are diffused such that brightness difference on the light incident surface is enhanced.

Abstract: A stereoscopic image display device includes a back bezel, a backlight module disposed on the back bezel, a frame set surrounding and positioning the backlight module, and a liquid crystal panel receiving light emitted from the backlight module; wherein the liquid crystal panel is surrounded and supported by the frame set and has a transparent plate attached to the display surface of the liquid crystal panel. There is a stereoscopic image producing layer formed at a side of the transparent plate facing the display surface of the liquid crystal panel. The transparent plate, the frame set, and the back bezel constitute the outward appearance of the stereoscopic image display device.

Abstract: Uneven brightness is less likely to occur in lighting devices at low cost. A backlight unit 12 includes LEDs 17, a chassis 14 having a bottom plate 14a and housing the LEDs 17, and an LED drive controller 24 controlling drive of the LEDs 17. The LEDs 17 are arranged in a matrix in row and column directions (X-axis direction and Y-axis direction) along the bottom plate 14a, forming respective LED groups 25 each along the row direction. The LED groups 25 include a middle LED group 28 and an end side LED group 29. The middle LED group 28 is located in a middle portion of the bottom plate 14a in the column direction group and the end side LED group 29 is located closer to an end of the bottom part from the middle portion group. The LED drive controller 24 controls light of at least one of the middle LED group 28 and the end side LED group 29 such that the end side LED group 29 has relatively high brightness and the middle LED group 28 has relatively low brightness.

Abstract: A light diffusion sheet usable, for example, in backlight units, includes a transparent substrate layer, and a light diffusion layer overlaid on a front face of the substrate layer. The light diffusion layer includes resin beads and a resin binder, the resin beads being provided as monodisperse beads having a mean particle size of 1.5 ?m or greater and 5 ?m or less. A weight ratio of the monodisperse beads to the binder is 2.5 or greater and 3 or less, and an amount of the overlaid light diffusion layer is 3 g/m2 or greater and 10 g/m2 or less. An acrylic resin may be used as the substrate polymer of the monodisperse beads and binder. A coefficient of variation of particle size distribution of the monodisperse beads is preferably equal to or less than 0.2. Advantageously, a gravure coating method is employed for forming the light diffusion layer.

Abstract: An edge-type backlight module and a liquid crystal display using the same. The edge-type backlight module comprising a printed circuit board having a supporting surface; plural light emitting diodes disposed on the supporting surface, each of the light emitting diodes comprising a light emitting surface and the light emitted by the light emitting diode being emitted from the light emitting surface; a reflective film disposed on the supporting surface; a light guide plate disposed above the reflective film so that the reflective film being disposed between the light guide plate and the supporting surface; a reflective surface disposed on a side edge of the light guide plate and kept a distance from the light emitting diode, the reflective surface used for reflecting the light emitted from the light emitting surface; and a dark surface disposed on the supporting surface for absorbing the light reflected by the reflective surface.

Abstract: A display apparatus includes a light guide plate to emit light that enters through a side surface of the light guide plate through an upper surface of the light guide plate, a light source arranged on at least one side of the light guide plate, a reflection plate arranged under the light guide plate, a color filter layer arranged above the light guide plate, and an optical shutter arranged above the color filter layer to transmit or block at least a part of light according to electric control, wherein the color filter layer includes a transmission type color filter to transmit light in a particular wavelength band and reflect light in other wavelength bands.

Abstract: A light emitting diode assembly includes: a light emitting diode (LED) printed circuit board (PCB) having a base layer, an insulating layer on the base layer and a circuit pattern layer on the insulating layer, the LED PCB including a plurality of through holes spaced apart from each other; and a plurality of light emitting diodes (LEDs) inserted into the plurality of through holes, respectively, from a bottom surface of the LED PCB, each of the plurality of LEDs including a lead contacting the circuit pattern layer.

Abstract: A backlight unit adapted to prevent light leakage and damage of its internal components due to a thermal deformation is disclosed. The backlight unit includes: a bottom cover with an opened upper surface; a printed-circuit-board disposed on at least one inner side surface of the bottom cover; a plurality of LEDs loaded on the printed-circuit-board; and a plurality of slits formed on at least one edge of the bottom cover opposite to the printed-circuit-board and configured to reduce thermal deformation of the bottom cover.

Abstract: A liquid crystal display device includes a backlight provided on a liquid crystal cell in which a liquid crystal layer is interposed between first and second substrates, a first polarizing plate is attached to the outside of the first substrate, and a second polarizing plate is attached to the outside of the second substrate. The liquid crystal cell and the backlight are driven by a field sequential system. A diffusion film is provided on the first polarizing plate which is located on the display surface side of the liquid crystal cell. The backlight is a collimated backlight with a half value width of 20 degrees or less. The viewing angle is increased by the diffusion film while the reduction of the contrast due to the use of the diffusion film is prevented by the collimated backlight, to achieve a liquid crystal display device with sufficient response time and contrast.

Abstract: A light guide plate (2) in the planar illumination device (1) in one example of the present invention has: first connecting surfaces (21) that respectively connect adjacent light-output surfaces; and second connecting surfaces (11) that respectively connect adjacent opposite surfaces.

Abstract: Provided is an illumination device capable of housing and fixing a plurality of light guide plates inside a chassis. The illumination device has a rectangular box-shaped chassis, a plurality of horizontally long rectangular light guide plates that are housed inside the chassis while arranged side by side on the bottom surface, light sources that emit light to the shorter side end faces of the respective light guide plates such that the light enters the respective light guide plates, and a plurality of support members that clamp the respective light guide plates on the bottom surface of the chassis. Each support member has a holding part that makes contact with upper surfaces of respective light guide plates at the long-side edges, a shank extending from the holding part, and a pair of locking pieces elastically deformable toward and away from each other, the pair of locking pieces being provided at an end of the shank and being inserted and engaged in an attachment hole in the bottom plate.

Abstract: A backlight device 12 includes a LED 17, alight guide plate 19 having an end surface as a light entrance surface 19b and a plate surface as a light exit surface 19a, a LED board 18 having a square plate surface that is opposed to the light entrance surface 19b, a board-side connector 22 arranged on the LED board 18, and a heat dissipation member 20. The heat dissipation member 20 has a positioning hole 26 that is through the heat dissipation member 20 and with which the LED board 18 is positioned with respect to the heat dissipation member 20. The heat dissipation member 20 has a hole edge portion around the positioning hole 26 and the hole edge portion includes two sides 26S1, 26S2 constituting a corner portion, and the two sides 26S1, 26S2 are parallel to two sides 18S1, 18S2 of the plate surface of the LED board 18, respectively. The two sides 18S1, 18S2 of the LED board 18 constitute a corner portion of the plate surface of the LED board 18. The positioning hole 26 overlaps the board-side connector 22.

Abstract: A backlight module is disclosed, which comprises a light guide plate, a point light source and a substrate. The light guide plate comprises a top surface and a bottom surface opposite to each other and a side surface located between the top surface and the bottom surface. The point light source is disposed on the substrate. The backlight module further comprises a backplate, a front frame and a first reflective unit. The backplate is adapted to accommodate the light guide plate. The front frame is disposed adjacent to the top surface of the light guide plate. The point light source is disposed adjacent to the side surface. A bisector line of a light emitting range of the point light source is directed towards a plane in which the top surface or the bottom surface of the light guide plate is located.

Abstract: A backlight is disclosed and includes a visible light transmissive body primarily propagating light by TIR with a light input surface and a light output surface and a light guide portion and a light input portion. The light guide portion has a light reflection surface and a light emission surface. The light input portion has opposing side surfaces that are not parallel. One of the opposing surfaces is co-planar with either the light emission surface or the light reflection surface. A light source is disposed adjacent to the light input surface. The light source emits light into the light input portion. A reflective layer is disposed adjacent to or on the opposing side surfaces.

Abstract: The present invention provides a liquid crystal display device having a liquid crystal display panel and a backlight unit provided on a rear surface of the liquid crystal display panel, where the backlight unit has light emitting diodes LED, a light guiding plate LG for guiding light emitted from the light emitting diodes, a reflector sheet RS provided on a rear surface of the light guiding plate LG, and a flexible printed circuit board FPC onto which the light emitting diodes are mounted, and an auxiliary sheet SS, and one part of the reflector sheet RS faces a part of the flexible printed circuit board FPC, and another part of the reflector sheet RS faces the auxiliary sheet SS.

Abstract: An optical device has a first film (200) that has a first side and a second side. When illuminated by light (204) at the first side, the first film is characterized by a first fraction of broadly diffused transmitted light (206) and a second fraction of narrowly diffused transmitted light (208). A second film (202) is disposed to the second side of the first film. The second film has at least one free surface that diverts light. In some embodiments, the first film has a diffuse scattering optical density between 0.5 and 3. The device finds use in spreading and making light uniform in a backlight in a display such as a liquid crystal display.

Abstract: The backlight device 24 according to the present invention is provided with: an LED substrate 30; an LED light source 28; a light guide plate 20 having a light entrance surface 20a on a side surface; a chassis 22 having a bottom plate and a side plate; and spacer members that regulate the distance between the side plate and the light guide plate 20. The side plate has three first side plates 22c and 22d on the surface of which an LED substrate 30 is arranged, and one second side plate 22b on the surface of which the LED substrate 30 is not arranged. The spacer members have an elastic spacer member 34a and a non-elastic spacer member 34b. The space between the first side plate 22c that is opposite the second side plate 22b, across the light guide plate 20, and the light guide plate 20 is regulated by the non-elastic spacer member 34b. The space between the other side plates 22b and 22d and the light guide plate 20 is regulated by the elastic spacer member 34a.

Abstract: Disclosed is a display apparatus which is light and slim in its external appearance. The display apparatus includes a display panel which displays an image signal; a backlight unit which provides light to the display panel; a front member which includes a body whose central portion is open such that an image displayed on the display panel can be frontwardly exposed, and a support unit which supports the display panel and the backlight unit in the inner side of the body; and a rear member which is coupled to the front member and supports the back side of the backlight unit.

Abstract: A light emitting device including a lens in which light radiated from a light source with a wide angle can effectively be oriented while a directional characteristic of the light source is expanded is provided, and a surface light source including the light emitting devices and a liquid crystal display device are provided. The surface light source is configured such that the plural light emitting devices are disposed in a central portion thereof. The light emitting device radiates the light on an optical axis A and around the optical axis A. The light emitting device includes a light source and a lens that radially expands the light from the light source. The lens includes a reflection unit at a bottom surface of the lens partially.

Abstract: The present invention provides a backlight module and a liquid crystal display apparatus. The backlight module comprises a light guide plate; a base disposed at one side of the light guide plate; a light source disposed on the base; and a reflective element configured to reflect light rays which are emitted from the light source to a light-incident surface of the light guide plate, wherein the reflective element includes a reflective curved surface and a first reflective plane connected thereto. The backlight module and the liquid crystal display apparatus of the present invention can have a high coupling efficiency.

Abstract: A quantum dot light-emitting device and a display apparatus including the same, the device including a light-emitting device that emits a first light; a quantum dot layer facing the light-emitting device, the quantum dot layer including a plurality of quantum dots, absorbing the first light, and emitting a second light and a third light that have different wavelength ranges compared to the first light; and a band pass filter on the quantum dot layer, the band pass filter cutting off a portion of the second light and a portion of the third light.

Abstract: The present invention relates to a backlight module and a liquid crystal display (LCD). The backlight module comprises a back plate, a light source, a light guide plate, a plastic housing and a front frame which has four straight subframes. The front frame covers an upper surface of the plastic housing and fixes a display panel by matching with the plastic housing. The front frame of the backlight module and the corresponding LCD of the present invention has a simple structure, which lowers manufacturing cost of the backlight module and reduces weight of the backlight module in the meantime.

Abstract: Discussed are a backlight unit and an LCD device including the same. The backlight unit includes a light guide panel, a light source part disposed at a side of the light guide panel to emit the light, an optical sheet disposed at a front surface of the light guide panel to change a traveling direction of the light to a direction vertical to the light guide panel, a guide panel separated from an end of the optical sheet, and configured to guide the light guide panel, the light source part, and the optical sheet, a reflector disposed at a rear surface of the light guide panel to reflect the light toward the front surface of the light guide panel, a side reflector adhered to a side of the light guide panel, and a cover bottom coupled to the guide panel and in which the reflector is disposed.

Abstract: A coated chassis is disclosed. The chassis can be made from a non-conductive material and can be operable to support a display. A conductive material can be applied to at least a portion of the chassis to form a continuous strip on the chassis frame. The conductive material can further form a closed-loop around the chassis frame. The chassis frame can be included within a device, such as a mobile phone, touchpad, portable computer, portable media player, and the like. The conductive material on the chassis can be coupled to the system ground of the device. Processes for making a coated chassis are also disclosed.

Abstract: The present invention provides a liquid crystal module with edge-lit backlight, which includes aluminum extrusion, edge-lit backlight source, light guiding plate (LGP), optical film set, mold frame, and at least a magnetic device, disposed with at least an attaching surface, for attaching to backlight source substrate, and an outer surface protruding beyond the light-emitting surface of LEDs; the outer surface of magnetic device near or pressing against LGP and having a difference in height levels from light-emitting surface of LEDs. The present invention also discloses a liquid crystal display device adopting the above liquid crystal module with edge-lit backlight. As such, the present invention can prevent the coupling optical distance from being too small, improve the endurance of the impact on the backlight and improve the backlight life span.

Abstract: Exemplary embodiments provide a lighting system for a transparent LCD having opposing vertical edges, the system having a mullion lighting assembly positioned adjacent to each vertical edge of the transparent LCD, each mullion lighting assembly having sidewalls defining a center channel. A plurality of LEDs are positioned along the sidewall of each mullion assembly and on a side of the sidewall that opposes the center channel. The LEDs are preferably placed in conductive thermal communication with the sidewall. A fan is positioned to draw cooling air through the center channel. A lens may be positioned adjacent to the LEDs to collimate the light. Louvers may be used to direct the emitted light away from the LCD, so as to reflect off the goods within a display case or the cavity within the display case. Some embodiments may use a flange to direct the emitted light away from the LCD.

Abstract: A backlight unit 12 (lighting device) includes LEDs (light sources) 17, a light guide plate 19, an LED board (light source board) 18, a chassis (mount member) 14 to which the LED board 18 is mounted, a screw member (board attachment member) 22, arrangement interval variation LEDs (arrangement interval variation light sources) 24. The light guide plate 19 includes an end surface (light entrance surface 19b) opposite the LEDs 17 and through which light from the LEDs 17 enters and a plate surface (light exit surface 19a) through which light exits. The LED board (light source board) 18 includes the LEDs 17 arranged at intervals along the end surface of the light guide plate 19. The screw member (board attachment member) 22 is arranged between the adjacent LEDs 17 to attach the LED board 18 to the chassis 14.

Abstract: This display includes point light sources, a light guide plate including a light-receiving surface on which light emitted from the point light sources is directly incident, opposed to the point light sources, and a display cell provided on a surface of the light guide plate, while a plurality of projecting portions each having a width smaller than a width of each of the point light sources in an extensional direction of a side of the light guide plate provided with the light-receiving surface are provided on a region of the light-receiving surface of the light guide plate opposed to the point light sources, and the plurality of projecting portions of the light guide plate are formed to have irregularly different shapes.

Abstract: A backlight module and a liquid crystal display are described. The backlight module includes a light guide plate, a light source and a prism sheet. The light guide plate includes a light-emitting surface, a light-incident surface and an axis. The light-incident surface is connected to the light-emitting surface. The axis is normal to the light-incident surface. The light source emits light towards the light-incident surface. The prism sheet is disposed on the light guide plate and includes a first optical surface and a plurality of prism structures which are disposed on the first optical surface. Each of the prism structures has a first surface and a second surface. The first surface and the second surface are connected to form a ridge. The ridge is vertical to the light-incident surface, or an angle included between the ridge and the axis is smaller than or equal to 20 degrees.

Abstract: A backlight device includes a light guide plate, a first light source, a second light source, and a positioning portion. The light guide plate has at least one end surface as a light entrance surface and one plate surface as a light exit surface. The first light source is opposed to a first light entrance surface that is a first end surface of the light guide plate. The second light source is opposed to a second light entrance surface that is an end surface opposite from the first light entrance surface of the light guide plate. The second light source is arranged to have a distance from the second light entrance surface relatively greater than a distance between the first light source and the first light entrance surface. The positioning portion is configured to position the light guide plate in a direction in which the first light source, the light guide plate, and the second light source are arranged, and to position the light guide plate with respect to the first light source and the second light source.

Abstract: A housing of a backlight unit is reinforced by a reinforcement frame installed so as to communicate an upper edge and a lower edge of the back face, and a window hole is formed at an upper edge of the housing at the vicinity of the reinforcement frame. An LED substrate as a light source is accommodated inside the housing and connected to a harness through the window hole. A harness is wired inside the reinforcement frame, and the harness is connected to a substrate such as a main substrate and a power supply substrate installed on the back face of the housing. It is possible to prevent exposure of the harness at the back face of the housing with a minimum use of a harness cover and to prevent generation of malfunction such as damage to the harness and disconnection.

Abstract: A planar ion-exchanged glass sheet for out-of-plane light beam coupling includes a first surface, a ion-exchanged first glass region adjacent and parallel to the first surface, a core glass region adjacent and parallel to the first glass region, a ion-exchanged second glass region adjacent and parallel to the core glass region, and a second surface adjacent and parallel to the second glass region. One edge of the glass sheet has an angled end face that is inclined to the plane extends across a thickness of at least one of the glass regions. Methods of making the planar ion-exchanged glass sheet, coupling an out-of-plane light beam into a plane using the planar ion-exchanged glass sheet, and scattering the coupled light to illuminate at least select regions of an exposed surface of the glass sheet are also disclosed.

Abstract: A backlight module includes a back frame, a light guide plate disposed in the back frame, a plurality of semiconductor light sources, a plurality of light source circuit boards, and a plurality of attachment members. Part of each of the light source circuit boards is disposed between the back frame and the light guide plate, and the other part of each of the light source circuit boards is exposed outside the side edge of the light guide plate, and each of the semiconductor light sources is disposed on the light source circuit boards which are exposed outside the side edge of the light guide plate. The number of the light source circuit boards, the semiconductor light sources, and the attachment members are all at least two. Besides, an LCD device including the backlight module and a manufacturing method for the backlight module are also disclosed.

Abstract: A display device comprises a optical member, a plurality of light sources to illuminate the optical member, a representative determining part to determine representative values of image blocks based on image signals applied to the image blocks, wherein the image blocks are arranged in a matrix and correspond to portions of a display panel, a representative integration part to integrate the representative values of the image blocks in one of a row and a column direction of the matrix and determine integrated representative values, and a light control part to control the plurality of light sources based on the integrated representative values.

Abstract: An optical sheet, a backlight unit having the optical sheet, and a display device having the backlight unit are discussed. According to an embodiment, the optical sheet includes a base film; a high refractive index layer having a plurality of prism portions on the base film; and a low refractive index layer positioned on the high refractive index layer, and covering the plurality of prism portions and having a surface parallel to the base film, each of the prism portions including an incidence surface on which incident light is refracted and a reflective surface on which the refracted light is reflected, the incidence surface including a bent for refracting the incident light towards the reflective surface.

Abstract: A light emitting module includes at least one light emitting chip mounted on a substrate, a sidewall including a fastener fastened to the substrate and surrounding the light emitting chip, and a transparent resin mixed with phosphor configured to fill a space partitioned by the sidewall.