Abstract: Provided is a light emitting module, which includes a module board, at least one light emitting diode, a metal layer and a resin material. The module board includes a photo solder resist (PSR) layer, an electrical conduction layer under the PSR layer, an insulation layer under the electrical conduction layer, and a plurality of diode holes passes through the PSR layer, the electrical conduction layer, and the insulation layer. The light emitting diode is disposed inside the plurality of diode holes and is contacted to the metal layer exposed through the plurality of diode holes.

Abstract: A backlight unit and a display apparatus using the same are disclosed. The backlight unit includes a first reflector, a second reflector and at least one light source disposed between the first reflector and the second reflector. The second reflector includes a specular reflection area and a diffuse reflection area. The specular reflection area occupies about 5 to 50% of an entire area of the second reflector.

Abstract: The present disclosure provides a backlight module. The backlight module includes a light source, a thermal plate, a back cover and an elastic holder. The light source is arranged on the thermal plate. The thermal plate is arranged on the back cover, and includes a first hole defined therein. The back cover includes a second hole defined therein, and the second hole overlaps with the first hole. The elastic holder penetrates through the first hole and the second hole, holds two surfaces of the thermal plate and the back cover apart from each other for fixing the thermal plate on the back cover. The present disclosure further provides a liquid crystal display.

Abstract: It is an object to manufacture a highly reliable backlight device with less color unevenness and less luminance unevenness, and a high-performance and highly reliable display device including the backlight device, which can display a high quality image. A light emitting diode (LED) is used as a light source of a backlight device and thermoelectric elements are provided in a chassis for holding the light emitting diode so as to surround the light emitting diode (the thermoelectric elements are provided under the light emitting diode and on the four sides thereof). A temperature in the backlight device is adjusted by cooling and heating by the thermoelectric elements.

Abstract: A backlight driving method, which provides three kinds of light sources comprising a red light source, a blue light source, and a green light source. The driving method includes dividing a frame into four sub-frames, and lighting the green light sources twice during two sub-frames respectively, dividing the first frame and the second frame into four sub-frames respectively, lighting the four light sources in the four sub-frames in a first lighting order during the first frame, and lighting the four light sources in the four sub-frames using a second lighting order during the second frame, wherein the first order is different from the second order.

Abstract: An optical laminate film, a backlight unit, and a liquid crystal display module, the optical laminate film including a multilayer film composed of multiple layers including at least two polymers having different refractive indexes, the multilayer film transmitting only a light component vibrating in a direction parallel to one transmittance axis while reflecting other light components; an embossed diffusing film laminated on one side of the multilayer film, the embossed diffusing film having roughness on a surface thereof; and a microlens film laminated on another side of the multilayer film, the microlens film having microlenses arranged on a surface thereof.

Abstract: A lighting device 12 for a display device of the present invention includes linear light sources 17 arranged in parallel, connectors 21 for feeding power to the linear light sources 17 and a chassis 14 for housing the linear light sources 17. The chassis 14 has fixing holes 30 for fixing the connectors 21. Each of the fixing holes 30 is formed in a longitudinal shape with its longitudinal direction along the parallel direction of the linear light sources 17. Each of the connectors 21 has a stopper 25 to be fitted in the chassis 14. When the stopper 25 is fitted in the fixing hole 30, the connector 21 is positioned and fitted in the fixing hole 30. The connectors 21 are fixable in a plurality of locations along the longitudinal direction of the fixing hole 30.

Abstract: A lighting device includes a light source lamp, and a light-diffusing layer including a diffusing plate or a diffusing sheet, the light source lamp including a folded portion (curved portion), such as U-shaped tube, and the lighting device for display devices having any of, or a combination of: the folded portion of the light source lamp is covered with a lamp frame; an optical member provided with a light-reducing or light-shielding treatment is around the folded portion of the light source lamp; the folded portion of the light source lamp is outside an effective display region; the folded portion of the light source lamp includes a member reducing or shielding light; and a reflective member with a light-reducing treatment around the folded portion of the light source lamp. As a result, at least part of light generated from the curved portion of the light source lamp is reduced or shielded.

Abstract: Provided are a backlight unit and a display device having the same. The backlight unit includes a light source configured to generate light and a plurality of light guide members stacked so that individual surfaces of each light guide member contact a surface of another one of the light guide members, the plurality of light guide members configured to guide the light. Each of the light guide members includes a light incident for receiving incident light from the light source, an opposite surface facing an adjacent one of the light guide members, and a plurality of light path change patterns disposed on the opposite surface. Thus, brightness of the display device may be improved.

Abstract: A frame assembly including a back cover, a plastic frame, and a front frame and a display having the frame assembly are provided. The back cover has a first sidewall portion including a flat wall and a fastener connected with the flat wall. The fastener has a first contacting surface. The plastic frame has a second sidewall portion having a stopping structure to construct an opening in the second sidewall portion. The stopping structure has a second contacting surface facing the fastener and partially contacting with the first contacting surface. The front frame has a third sidewall portion having an aperture so that the fastener is located in the aperture. The aperture exposes a third contacting surface of the third sidewall portion. The third contacting surface partially contacts with the first contacting surface. The second sidewall portion is located between the first sidewall portion and the third sidewall portion.

Abstract: A light source unit includes a chassis, a light diffuser disposed to face the chassis, a light source disposed between the light diffuser and the chassis, and an air passage through which air for cooling the light source flows. The light source is disposed inside the air passage, whereas the light diffuser is disposed outside the air passage. At least a portion of the air passage is partitioned by a partition transparent to light of the light source.

Abstract: A display device includes a light source assembly, a light guide plate (LGP), a lower receiving container, a reinforcing member, a display panel and an upper receiving container. The lower receiving container includes a first coupling portion formed on the first bottom surface. The reinforcing member includes a pressing down part structured to pressing down on an upper surface adjacent to a corner portion of the LGP and a fixing part integrally extending from an end portion of the pressing down part in parallel with a first sidewall of the lower receiving container to have a second coupling portion being coupled with the first coupling portion. The reinforcing member covers the light source assembly. The display panel is disposed on the LGP and the reinforcing member. The upper receiving container includes a third coupling portion coupled to the first coupling portion and the second coupling portion through a coupling member.

Abstract: Disclosed are a backlight unit and a display device having the same. The backlight unit comprises a light emitting diode (LED) module comprising an LED, a case supporting the LED module and comprising a bending part that guides and fixes an end portion of the LED module, and a fixing part fixing the LED module to the case.

Abstract: A light emitting module and a light unit having the same are provided. The light emitting module may include a substrate including a body and a plurality of branches that extend from the body. A plurality of light emitting devices may be provided on the branches. A connector may be coupled to the body, and may be electrically connected to the plurality of light emitting devices.

Abstract: A device including a housing and a display provided on a surface of the housing. The device also includes a light sensor provided on the surface of the housing, and a controller coupled to the display and the sensor. The controller is configured to change a display mode of the display from a first display mode to a monochromatic display mode when a light level of ambient light sensed by the light sensor exceeds a threshold value.

Abstract: An exemplary light diffusion plate includes a main body, and a plurality of diffusion particles dispersed in the main body. The main body includes a first surface and a second surface. The first surface and the second surface are on opposite sides of the main body. The first surface is a flat surface. The second surface defines a plurality of rectangular structures. Each rectangular structure defines four adjacent triangular pyramid depressions. A backlight module using the light diffusion plate is also provided.

Abstract: A light source unit base material for manufacturing a plurality of light source units includes a board base material formed in substantially a rectangular shape, and a plurality of light sources provided on the board base material in a row direction and in a column direction and connected electrically in series in the row direction and in the column direction.

Abstract: An objective of the present invention is to provide a proper light source holding function in a lighting device. A backlight unit 12 according to the present invention includes cold cathode tubes 18 as light sources and lamp holders 20. Each cold cathode tube 18 includes electrodes 18b in end sections 18E. The lamp holders 20 are covers that cover the end sections 18E of the cold cathode tubes 18. Light source holddown members 25 are arranged on the lamp holders 20. Each light source holddown member 25 projects from the lamp holder 20 toward the middle of the cold cathode tube 18 and holds down the middle section 18C rather than the electrode 18b. The middle section 18C of the cold cathode tube 18 held down by the light source holddown member 25 is lower in temperature than the end section 18E including the electrode 18b.

Abstract: A back light module and a flat display device using the same are provided. The back light module includes a reflector, at least two light sources and at least one partition. The light sources are disposed above the reflector. The partition is disposed at a substantially central location between the two light sources and is substantially perpendicular to a line connecting the two light sources. The partition is a plate having a uniform thickness, and surfaces of the partition that face the two light sources are reflective.

Abstract: A backlight device includes a housing, a light source, a diffuse plate and a fixing member. The housing has an open surface. The light source is arranged in the housing. The diffuser plate is arranged on the open surface of the housing and allows light emitted from the light source to pass therethrough while diffusing the light. The fixing member prevents the diffuser plate from bending in a direction in which light passes through the diffuser plate. A part of the fixing member has transmittance adjusted to substantially equalize luminance distribution of light passed through the diffuser plate.

Abstract: Provided is an illumination device in which it is possible to suppress a member mounted with a light source such as an LED from being displaced, and to make said member and the illumination device smaller. A backlight unit (49) is provided with a plurality of mounting substrates (11) having various shapes, wherein the shapes are formed in a manner such that if at least one mounting substrate (11) were to move in either of two intersecting directions in the plane of the substrate, the two neighboring mounting substrates would be shaped so as to come into contact with and restrict one of the other neighboring mounting substrates (11).

Abstract: A flat display device includes a flat display module that produces an image. The device also includes a reflective sheet at a rear side of the flat display module, a support member on the reflective sheet, and an optical adhesive film adhered to the front surface of the flat display module, to sides of the flat display module, and to a portion of a back of the support member that is opposite the reflective sheet. The image is produced on the front surface of the flat display module and is emitted through the optical adhesive film.

Abstract: Embodiments of this invention include composite articles having specific optical properties. In one embodiment of this invention, a composite comprises high and low refractive index light transmitting material and surface relief features. In further embodiments, the composite comprises volumetric dispersed phase domains that may be asymmetric in shape. In one embodiment of this invention, the composite is an optical film providing light collimating features along two orthogonal planes perpendicular to the surface of the film. In another embodiment, the composite has improved optical, thermal, mechanical, or environmental properties. In further embodiments of this invention, the composite is manufactured by optically coupling or extruding two or more light transmitting materials, and forming inverted light collimating surface relief features or light collimating surface relief features.

Abstract: A backlight controller for driving multiple light emitting diode (LED) strings includes feedback circuitry, phase array circuitry, and encoder circuitry. The feedback circuitry generates multiple feedback signals indicative of currents flowing through the LED strings respectively. The encoder circuitry generates a code signal indicative of a total number of operative LED strings among the multiple LED strings based on the feedback signals. The phase array circuitry generates multiple saw tooth signals according to the code signal. A phase shift amount between two adjacent signals of the saw tooth signals is determined by the total number of the operative LED strings. The phase array circuitry compares each of the saw tooth signals with a dimming control signal to generate multiple phase shift signals so as to respectively control the operative LED strings.

Abstract: A light-guide board assembly includes a light-guide board, a shielding board disposed on the light-guide board, and a plurality of light-guide poles. The light-guide board defines a plurality of engaging holes, a plurality of light-focusing slots and a plurality of channels. One end of each light-guide pole is received in a corresponding engaging hole. The light-focusing slots focus light to strengthen the light emitted from the light-guide slots. Each engaging hole communicates with one adjacent engaging hole or an adjacent light-focusing slot through a channel.

Abstract: An illuminating device capable of decreasing not only in-plane luminance unevenness in the front face direction but also in-plane luminance unevenness when viewed from a diagonal direction is provided.

Abstract: A backlight system for a liquid crystal display includes a substantially planar, refractive waveguide having a first major face and a second major face opposite the first major face. The waveguide includes a viewable region corresponding to a viewable area of the liquid crystal display. The system further includes a light source positioned proximate to the second major face and within the viewing region for producing light. An injection feature is proximate to one or more of the second major face and the first major face and within the viewing region to optically couple the light into the waveguide such that the light becomes waveguided light. A plurality of extraction features is proximate to one or more of the second major face and the first major face and within the viewing region to optically couple the waveguided light out of the waveguide.

Abstract: A backlight assembly includes a receiving container, a first light source module and a first light source cover. The receiving container includes a bottom portion, a first sidewall and a second sidewall connected to the bottom portion. The first light source module is supported by the bottom portion and adjacent to the first side wall. The first light source cover makes contact with an exterior surface of the first sidewall. The first light source cover surrounds the second sidewall so that a first end portion of the first light source cover covers the first light source module.

Abstract: A backlight unit may be provided that includes a substrate, light sources, a light guide plate, at least one reflecting member, and an optical sheet. The light sources may be on the substrate. The light guide plate may include a light incident part having a light incident surface to which streaks of light respectively emitted from the light sources are laterally incident, and a light emitting part emitting the incident streaks of light upward. The reflecting member may be disposed on a lower surface of the light guide plate, and may reflect the incident light. The optical sheet may be disposed above the light guide plate. The reflecting member may include a first region having a first reflectance and a second region having a second reflectance.

Abstract: A light source module including a planar light source, a heat dissipation medium, and a heat dissipation element are disclosed. The planar light source includes a light box, electrodes, and an insulation layer. The light box has a light emitting surface and a bottom surface opposite to the light emitting surface. The electrodes and the insulation layer are disposed on the bottom surface, and the insulation layer covers the electrodes. The heat dissipation medium is disposed on the insulation layer. The heat dissipation element includes conductive contact portions contacting the heat dissipation medium and a conductive connection portion connecting the conductive contact portions, wherein the orthographic projections of the conductive contact portions and the orthographic projections of the electrodes on the bottom surface are not overlapped by each other, and airflow channels are formed between the conductive contact portions, the conductive connection portion, and the heat dissipation medium.

Abstract: An illuminating device includes a light guide plate, a light source disposed on a side face of the light guide plate, and a light modulation element disposed on a surface or on inside of the light guide plate and joined to the light guide plate. The light modulation element has a pair of transparent substrates disposed apart from each other and opposed to each other, a pair of electrodes provided on surfaces of the pair of transparent substrates, and a light modulation layer provided in a gap between the pair of transparent substrates. The light modulation layer includes a first region and a second region both having optical anisotropy and having response speeds to an electric field different from each other.

Abstract: Disclosed is a flexible circuit board connection structure that has a simple configuration, is inexpensive, and has superior connection reliability. The connection structure is a structure connecting a first flexible circuit board 40 and a second flexible circuit board 50 and is characterized in that a first through-hole 45 and a second through-hole 46 are formed in the first flexible circuit board 40, the second flexible circuit board 50 is inserted through the first through-hole 45 from the first surface 48 side of the first flexible circuit board 40 to the second surface 49 side of the same, and the second flexible circuit board 50, which has been inserted through to the second surface 49 side of the first flexible circuit board 40, is soldered to the first flexible circuit board 40 from the first surface 48 side of the first flexible circuit board 40 via the second through-hole 46.

Abstract: An LCD device is disclosed. The LCD device is configured to include a plurality of insulation films between a balancely printed circuit board and a bottom cover and to form a plurality of air layers between the plurality of insulation films. Accordingly, noise caused by vibrations from electric currents flowing through lamps can be minimized.

Abstract: A system suitable for backlighting is provided. The system comprises a monitor unit configured to monitor an information signal, and to generate a first signal based at least partly on the information comprised in the information signal, a control unit configured to control the reaction time of at least one illumination area capable of emitting properties of light and comprised in the system, based on the first signal, wherein the first signal may comprise scene change information. The system provides for a more peaceful backlighting effect while still being able to stress actions, such as scene changes, happening in the presented information signal. A method and computer-readable medium are also provided.

Abstract: An illumination device including a plurality of illumination areas, each of which is individually controllable, includes a plurality of light-emitting devices disposed in a matrix pattern in each of the illumination areas where emission colors are disposed in a different manner between adjacent rows and between adjacent columns. Consequently, the emission of uneven luminance or uneven color is prevented from occurring in boundary portions of each of the illumination areas.

Abstract: A liquid crystal display device includes a liquid crystal display panel and a backlight including a light source for irradiating the liquid crystal display panel, in which the backlight includes at least a plurality of linear fluorescent lamps arranged in parallel in a plane facing the liquid crystal display panel, fluorescent lamp supporting bases supporting the linear fluorescent lamps, and a frame to which the fluorescent lamp supporting bases are fixed, the fluorescent lamp supporting bases each include a fluorescent lamp supporting member directly supporting the linear fluorescent lamp and a fixing portion fixed to the frame, and a recess is formed in the frame at a portion just behind the fluorescent lamp supporting member.

Abstract: A diffusion plate (DL) allowing the light from a fluorescent tube (71) to transmit therethrough is held on a support surface (1S, 1S) forming one surface of a side holder (SF). In particular, a support frame (FM) which also plays the role of the side holder (SF) supports the diffusion plate (DL) of a shape of which the long dimension and short dimension parts can be defined, for example, a rectangular shape at only two short dimension parts on its outer edges opposed to each other.

Abstract: A surface light source device includes: a light source; a diffusion member that diffuses light; and reflection means provided on a side opposite to the diffusion member with the light source interposed therebetween for reflecting light emitted from the light source toward the diffusion member, wherein the reflection means is formed by layering a plurality of optical components and the plurality of optical components are stopped by each other with stopper means.

Abstract: A display unit which the view angle is limited and the front luminance is improved is provided. The display unit includes a display device, and a light guiding part which is provided to face the display device, has an incident face on the side opposing to the display device, an emitting face on the opposite side of the display device, and a reflective face on the side face, and has a cross section expanding from the incident face to the emitting face.

Abstract: A scanning backlight unit, a liquid crystal display and television and a television are provided herein. The backlight unit including a light source unit having plural groups of light sources which emit light in a main incidence direction; a control unit which controls the plural groups of light sources; and a light guiding plate having a bottom surface formed with a dispersion pattern dispersing the light received from the light source unit, wherein the dispersion pattern includes a plurality of grooves, with a groove of the plurality of grooves having a shape with a first size parallel to the main incidence direction and a second size perpendicular to the main incidence direction, and wherein the first size is larger than the second size.

Abstract: In a chassis 13, a cold cathode tube 15 is housed, a planar optical member 16 is provided in an opening portion, and a support component 20 that can support the optical member 16 is mounted. The support component 20 includes a linear support portion 24 linearly extending in parallel with a plane direction of the optical member 16. The linear support portion 24 is curved to become progressively lower from end sides toward a middle side of the optical member 16. The optical member 16 can be warped and deformed by a gap ensured between the optical member 16 and the linear support portion 24. When the optical member 16 is warped and deformed, the linear support portion 24 supports the optical member 16 in a height position corresponding to the warped shape.

Abstract: The liquid crystal display device includes a plurality of gate lines and a plurality of data lines forming a matrix, a back light unit including a plurality of light source blocks capable of being driven separately, an image processing circuit to generate a movement judgment signal based on a digital video data to be displayed in an interior mode, a backlight controller to generate a light source driving control signal to control portions of the light source blocks corresponding to a moving image and portions of the light source blocks corresponding to a still image, separately, based on the movement judgment signal, and a backlight driving circuit including a plurality of light source drivers to turn on the portions of the light source blocks corresponding to a moving image and to turn off the portions of the light source blocks corresponding to a still image based on the light source driving control signal.

Abstract: In a discharge tube, a conductive ferrule is provided on an end portion of a glass tube. The ferrule includes a body that is to be mounted to the outer circumference of the glass tube and has a contact portion to be electrically conductively fixed to a relay connector (or a bearing device). Further included is a conductive portion that extends from the body so as to have elastic contact with an outer lead. The outer lead will not be under load due to the weight of the discharge tube, but the conductive portion solely has elastic contact therewith. Thus, stress concentration on the outer lead can be prevented.

Abstract: Occurrence of uneven brightness in a backlight unit is suppressed. A backlight unit 12 includes a hot cathode tube 17 as a light source; a chassis 14 including a bottom plate 14a arranged on a side opposite to a light exit side with respect to the hot cathode tube 17 and housing the hot cathode tube 17; a reflection sheet 20 including a bottom portion 20a extending along the bottom plate 14a and a rising portion 20b rising from a bottom portion 20a to the light exit side and reflecting light; a first holding member 21 arranged on a side opposite to the light exit side with respect to each rising portion 20b and fixed to the chassis 14; and a second holding member 22 arranged on the light exit side of each rising portion 20b and configured to sandwich each rising portion 20b with the first holding member 21.

Abstract: The invention is intended to provide a lighting device that shortens time required to obtain peak brightness. A backlight unit 16 according to the invention includes: cold cathode tubes 22 as a light source; a chassis 18 housing the cold cathode tubes 22; a reflection sheet 21 disposed within the chassis 18 and reflecting light; and a heat insulator 27 disposed between the chassis 18 and the reflection sheet 21. Because the heat insulator 27 is disposes between the chassis 18 and the reflection sheet 21, heat in the chassis 18 is less likely to escape to the outside. Therefore, the temperature inside the chassis 18 can be efficiently increased with the heat generated by the cold cathode tubes 22.

Abstract: An electronic device that includes a light-emitting board and a light characteristics enhancing member. The light-emitting board includes a driving substrate, a semiconductor device disposed on a first surface of the driving substrate, and a signal-receiving member receiving an external wireless control signal to control the semiconductor device. The light characteristics enhancing member includes a base film disposed over the light-emitting board, and a light characteristics enhancing layer formed on a lower surface of the base film, the lower surface facing the light-emitting board. A second refractive index of the light characteristics enhancing layer is greater than a first refractive index of the base film. Therefore, the receive sensitivity of the external wireless control signal is improved.

Abstract: A lamp guide includes: a horizontal part; at least one supporting part extending from a front surface of the horizontal part and having a cone shape; a plurality of holding parts on the front surface of the horizontal part, each of the plurality of holding parts holding a lamp; at least one coupling part extending from a rear surface of the horizontal part and having a trident shape; and a plurality of ribs protruding from the rear surface of the horizontal part and corresponding to the plurality of holding parts.

Abstract: To prevent uneven brightness in a backlight unit, a backlight unit 12 includes: a hot cathode tube 17 that is a light source; a chassis 14 housing the hot cathode tube 17; a reflection sheet 20 arranged inside the chassis 14 and configured to reflect light; an optical member 15 arranged on a light exit side with respect to the hot cathode tube 17; and a support member 21 including a support portion 26 that has an axis extending in a space inside the chassis 14 and supports the optical member 15 from a side opposite to the light exit side. The support member 21 has a pressing surface 28 enabled to press the reflection sheet 20 from the light exit side and the pressing surface crosses an axial direction of the support portion 26 and crosses a direction perpendicular to the axial direction.

Abstract: A backlight assembly is provided. The backlight assembly includes a mold frame having a tetragonal frame shape and including four side parts and a bottom part extending from bottoms of the side parts, a printed circuit board disposed on the bottom part of the mold frame, at least one light source disposed on the printed circuit board, and a light guide sheet disposed at a side of the light source and accommodated in the mold frame.

Abstract: A lighting device achieves cost reduction and suppression of power consumption with suppressing the occurrence of a lamp image. A lighting device 12 includes: a plurality of linear light sources 17 disposed in parallel; a chassis 14 housing the linear light sources 17 and having an opening 14b through which light from the linear light sources 17 exits; and an optical member 15a facing the linear light sources 17 and disposed to cover the opening 14b. The linear light sources 17 are arranged at relatively small intervals in a light source high-density region LH and arranged at relatively large intervals in a light source low-density region. An optical member 15a includes a light reflection portion 50 configured to reflect light from the linear light sources 17 at least in a portion overlapping with the light source low-density region LL.