Abstract: A flexible light assembly includes a plurality of light guides that may be operably connected to one or more LED light sources. The light guides may include smooth surfaces that internally reflect light except at selected areas having irregular surface features that permit the escape of light to provide illuminated letters, numbers, designs, or the like. The light guides and LED light source may be disposed within a flexible housing.

Abstract: A display device includes a display panel, a light guide plate (LGP), a light source, and a positioning component. The LGP is disposed on a display surface of the display panel and has an upper surface and a lower surface opposite to each other, a light-incident surface, a first light-guiding block, and a second light-guiding block. A display area of the display panel corresponds to the first light-guiding block. The second light-guiding block extends outside the display area and has at least one recess portion. The recess portion is located on at least one of the upper surface and the lower surface and extends to the light-incident surface. The light source is disposed beside the light-incident surface. The positioning component is disposed on the second light-guiding block and located in the recess portion. Besides, the positioning component extends outside the recess portion and fixes the location of the light source.

Abstract: A polarization illumination system 1000a according to the first invention of the present patent application includes an illumination means having light source means 8, polarizing means 10 for receiving and polarizing light emitted from the light source means, a birefringence medium 20 for receiving and double refracting the light emitted from the light source means and transmitted through the polarizing means. Illumination space S to which the light of the illumination means is illuminated has a polarized reflection object 60 that reflects an incident light in a way that the reflected light partly or fully polarized.

Abstract: In order to improve brightness in a lighting device, a backlight unit 12 includes: LEDs 17 as a light source; a light guide member 19 having end portions LE facing the LEDs 17 and guiding light from the LEDs 17 to a light output side; a pressing member 16 configured to press the light guide member 19 from the light output side; and a pair of reflection sheets 21 and 22 disposed so as to sandwich the end portions LE of the light guide member 19 that face the LEDs 17. The pair of reflection sheets 21 and 22 includes the first reflection sheets 21 disposed on the light output side with respect to the light guide member 19, and the second reflection sheets 22 disposed on a side opposite to the light output side. The first reflection sheets 21 are fixed to the pressing member 16.

Abstract: A luminaire for use in lighting a large open space such as a parking lot or deck of a parking garage includes a plurality of optical waveguides disposed in side-by-side relationship and together defining a closed path and at least one LED associated with each optical waveguide and disposed at a first end of the associated optical waveguide.

Abstract: The present invention provides a light guide plate and a backlight module containing the light guide plate. The light guide plate includes a plate body and a coating layer formed on the plate body. The plate body includes a bottom face, a top face opposite to the bottom face, and a plurality of side faces between the bottom face and the top face. The coating layer is formed on at least one side edge of the top face. The coating layer has a refractive index that is greater than or equal to 1 and less than refractive index of the plate body. The light guide plate uses the coating layer formed on the top face to reflect light back into the light guide plate to confine the light within the light guide plate so as to prevent light leakage and ensure light intensity and homogeneity of the light guide plate.

Abstract: A display device includes an exterior surface; a main emission region comprising a side edge when viewed in a viewing direction perpendicular to the exterior surface; and an auxiliary emission region next to the side edge when viewed in the viewing direction. The device further includes a light-guide plate disposed in the auxiliary emission region when viewed in the viewing direction; and a first light source disposed adjacent to the light-guide plate and configured to emit light in a first direction to supply the light to the light-guide plate. An imaginary straight line extending from the first light source in the first direction is tilted with respect to the side edge while not crossing the side edge.

Abstract: A package carrier is suitable for carrying at least one light emitting unit. The package carrier includes an annular shell and a transparent light guiding stage. The annular shell has a cavity. The transparent light guiding stage is disposed in the cavity of the annular shell. The light emitting unit is adapted to be disposed on the transparent light guiding stage, and a horizontal projection area of the transparent light guiding stage is greater than that of the light emitting unit. The light emitting unit emits a light beam to enter the transparent light guiding stage, and the light beam emits from a surface of the transparent light guiding stage relatively distant from the cavity.

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: In a liquid crystal display device including a backlight unit that irradiates the entire image formation region with light from light emitting diodes disposed in a concentrated manner, in order to reduce warpage of a reflection sheet to obtain uniform illumination, provided is a liquid crystal display device (1), including: a liquid crystal panel (3); a reflection sheet (6), which is disposed on a rear surface side of the liquid crystal panel (3) and is curved so as to have a concave surface facing the liquid crystal panel (3); a light emitting diode substrate on which a plurality of light emitting diodes (14) are disposed along a horizontal direction; and a support (21) for fixing the reflection sheet (6) at a curved portion of the reflection sheet (6).

Abstract: A planar illumination device includes a light source unit, including a substantially planar emitting surface, configured to emit light to illuminate a substantially planar object, and a frame, formed in a frame shape enclosing the light source unit, disposed on an outer circumferential side of the light source unit, configured to hold the light source unit. The frame includes a reflecting part configured to reflect the light, and an absorbing part, formed integral with at least a part of an outer circumferential surface of the reflecting part, configured to absorb the light. The reflecting part and the absorbing part include joint interface therebetween that is inclined to a direction vertical to the emitting surface.

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 light guide plate and a backlight module are provided. The backlight module includes a light source and the light guide plate. The light source includes a light emitting surface. The light guide plate includes a light incident surface, a first surface, and a second surface, wherein the first surface is opposite to the second surface. The light guide plate is disposed at a side of the light source. The light incident surface of the light guide plate is opposite to the light emitting surface of the light source. The light incident surface is connected to the first surface and the second surface and includes a first curved surface and a second curved surface. The first curved surface is adjacent to the first surface, and the second curved surface is adjacent to the second surface. The first curved surface is a concave surface.

Abstract: A backlight unit and a display apparatus using the same are disclosed. The backlight unit includes a first reflector, a second reflector partially having an inclined surface, a plurality of light sources disposed between the first reflector and the second reflector, and a third reflector disposed between adjacent light sources.

Abstract: A backlight assembly and a display including the same are disclosed. In one aspect, the backlight assembly includes a light source unit, a light guide plate including a light incident surface and a light facing surface formed on opposing ends thereof. The light incident surface receiving light irradiated from the light source surface. The backlight assembly also includes a first reflective member placed on the light facing surface and including a plurality of first color patterns facing the light facing surface.

Abstract: The present disclosure relates to a surface light emitting apparatus including: a light source bar including a light source for generating an optical signal; at least one optical distributor for dividing the optical signal generated in the light source into a plurality of optical signals; a light guide plate for confining the plurality of optical signals divided by the optical distributor in an inside thereof and transfer the optical signals; and a scattering pattern formed on a surface of the light guide plate and for emitting a light by the optical signal transferred through the light guide plate.

Abstract: A backlight assembly including a container having a light exiting boundary, and a light source part. The container includes a first light source supporting part supporting first and second light sources, and a reflector extending from the first light source supporting part. The reflector reflects the light from the first and second light sources to guide the light to the light exiting boundary. The first light source is disposed under the light exiting boundary and generates the light. The second light source is spaced apart from the first light source in a first direction by a first distance. The first direction is substantially parallel with the light exiting boundary. The second light source is spaced apart from the light exiting boundary in a second direction by a first depth. The second direction is substantially perpendicular to the light exiting boundary.

Abstract: A backlight module includes a laser light source and a light guide plate. The light source locates beside a side surface of the light guide plate. The light guide plate comprises a plurality of transflective films arranged along a direction in alignment the laser light source. When the light from the laser light source emits to the transflective films, a part of the light passes through the transflective films and transmits along a same direction, and another part of the light is reflected by the transflective films and emits into a light diffusion plate. The light beams reflected by the transflective films and into the light diffusion plate have the same intensity.

Abstract: A backlight module is provided, including a circuit board, a plurality of light-emitting elements, a frame, and a plurality of first and second light-reflecting portions. The light-emitting elements are disposed on the circuit board and separated from each other. The frame includes a base plate and two lateral plates extended from the base plate, wherein the circuit board is disposed on the base plate. The first and second light-reflecting portions are disposed on at least one of the lateral plates and arranged in a staggered manner. The first light-reflecting portions are closer to the light-emitting elements than the second light-reflecting portions. The reflectivity of the second light-reflecting portions exceeds that of the first light-reflecting portions.

Abstract: A luminous flux control member (200) of the present invention has: a light input surface (210); total reflection surfaces (220), which are formed at positions facing a light emitting element with the light input surface (210) therebetween; two light guide sections (230), which are formed such that respective cross-sectional areas thereof are reduced in the direction to be away from the light input surface (210) and the total reflection surface (220), said light guide sections being formed at facing positions with the light input surface (210) and the total reflection surface (220) therebetween; and two light output surfaces (240), which are formed on the outer surfaces of the two light guide sections (230), respectively.

Abstract: A backlight module includes a light guide plate, at least one light source, and a light-reflecting plate. The light guide plate includes a light-emitting surface, a bottom surface, a light-incident surface, and a guiding tilt surface. One end of guiding tilt surface and light-emitting surface are intersected at a first boundary, and the other end connects to a top edge of light-incident surface. The guiding tilt surface extends toward a direction of protruding the light-emitting surface. The horizontal distance between the first boundary and light-incident surface is L. The light-reflecting plate is disposed under the bottom surface. When the horizontal distance d between light-incident surface and an end of light-reflecting plate near light-incident surface is less than L, the horizontal distance between a vertical projection of the end on light-emitting surface and first boundary is not more than 0.5 mm. When d is more than L, x is at least 0.5 mm.

Abstract: A light source module includes a circuit board, board pads disposed on the circuit board, and a light emitting diode chip disposed on the board pads. The light emitting diode chip includes a substrate and a semiconductor stacking part disposed between the substrate and the circuit board, and the substrate includes an inclined part disposed at an upper portion thereof and a discharging part disposed at one side surface thereof.

Abstract: A backlight unit and an LCD device using the same are provided. The backlight unit includes a light guide panel, a light source unit disposed at a rear-direction lower end of the light guide panel, an optical film disposed in a front direction of the light guide panel to face the light source unit and configured to reflect light emitted from the light source unit, and an optical sheet part disposed in the front direction of the light guide panel, and configured to change a travel direction of the light, which is output from the light guide panel, to a direction vertical to the light guide panel.

Abstract: A luminaire includes at least first and second waveguides. The first waveguide has a first coupling surface extending between a first surface and a second surface opposite the first surface, and the second waveguide has a second coupling surface extending between a third surface and a fourth surface opposite the third surface. The first and second coupling surfaces define a coupling cavity. The luminaire further includes at least one light source within the coupling cavity.

Abstract: A display device includes a back cover, a front frame, a backlight module, and a display panel. The back cover has at least one supporting structure and at least one position-limiting structure. The front frame is assembled to the back cover. The backlight module is disposed between the back cover and the front frame and includes a light guide plate (LGP), and the supporting structure supports a bottom surface of the LGP. The display panel is disposed between the backlight module and the front frame, the position-limiting structure is aligned to a side surface of the display panel, and a position of the display panel is limited by the position-limiting structure.

Abstract: A light guiding body includes a long translucent body, a light incident surface formed at an end of the body in a longitudinal direction of the body, a light emitting surface formed on one side surface of the body along the longitudinal direction of the body, and a light emitting quantity adjusting portion formed on the other side surface of the body along the longitudinal direction of the body so as to be opposite to the light emitting surface. The light guiding body guides, in the body, light incident to the light incident surface, reflects the light by the light emitting quantity adjusting portion, and emits the light from the light emitting surface. A width of the light emitting quantity adjusting portion of the body in a direction perpendicular to the longitudinal direction of the body is varied according to a position in the width in the longitudinal direction.

Abstract: A light source device includes a laser diode module, a light guide plate selectively optically coupled to the laser diode module, a light projector selectively optically coupled to the laser diode module, and a light path switch module located between the laser diode module and the light guide plate and rotatably switched between a first position and a second position to change a light path of a laser beam emitted from the diode module to a first direction and a second direction different from the first direction. Along the first direction, the laser beam is guided to move toward the light guide plate. Along the second direction, the laser beam is guided to move toward the light projector. The light guide plate has a light incident face which is an arced face recessed from a corner of the light guide plate.

Abstract: In various embodiments, an illumination structure includes a discrete light source disposed proximate a bottom surface of a waveguide and below a depression in a top surface thereof. A top mirror may be disposed above the discrete light source to convert modes of light emitted from the discrete light source into trapped modes, thereby increasing the coupling efficiency of the illumination structure.

Abstract: A display device includes a light guide unit, a light source, a display panel and a protective member. The light guide unit includes a first surface, a second surface facing the first surface, and a plurality of connecting surfaces connecting the first surface and the second surface to each other, and guides a light which is incident to a connecting surface to the first surface. The light source provides light to the connecting surface. The display panel displays an image using the light provided from the first surface of the light guide unit. The protective member includes a plurality of reflective patterns facing another connecting surface among the plurality connecting surfaces, provides the light leaked from the light guide unit to the another connecting surface, and accommodates the light guide unit, the light source and the display panel therein.

Abstract: A backlight module includes a light guide plate, a light source, a light shielding sheet, a light reflecting sheet and a light shielding member. The light guide plate has a hole formed thereon and the hole has a side wall. The light source is disposed neighboring to the light guide plate and used for emitting light into the light guide plate. The light shielding sheet is disposed on the light guide plate. The light reflecting sheet is disposed below the light guide plate. The light shielding member is disposed in the hole and covers the side wall of the hole, so as to block the light guided by the light guide plate from being emitted out of the hole.

Abstract: A light reflector including a multilayer film wherein the multilayer film includes a substrate layer and an emission line preventing layer including a scale-like light reflecting section, and the reflection angle light quantity ratio is from 1.5 to 6.5. The light reflector is capable of preventing generation of emission lines when it is incorporated in a planar light source device or an illuminating device.

Abstract: Uneven brightness is less likely to be caused and good display quality is achieved. A lighting device includes a plurality of light emitting units each of which includes a base board and a plurality of light emitting components on the base board, a linear light source including the plurality of light emitting units that are arranged linearly, a light guide member having an end portion and provided such that the end portion faces the linear light source, a reflection sheet configured to reflect light from the linear light source, and a reflection cover provided close to the light guide member and corresponding to a gap that is generated between the light emitting units.

Abstract: A light guide (201) including a transparent element is presented. The transparent element includes a first end (203) including a place for a light source, a second end (204) opposite the first end, an outer surface (205) between the first and second ends, and an interior channel (206) extending from the first end to the second end. The interior channel includes a first portion (207) beginning from the first end and a second portion (208) extending to the second end. The first portion is shaped to guide at least part of light falling to its wall into the transparent material and the outer surface provides total reflection for reflecting the light towards the second end. The second portion is shaped so that light passed through the first portion without falling to a wall of the first portion reaches the second end without falling to a wall of the second portion.

Abstract: This invention relates to a backlight module and a liquid crystal display where the backlight module comprises a light guide plate, a substrate, a light source, a reflective element and a reflective sheet. The light guide plate and the reflective sheet are joined by a double coated film that is set up along the edge of a lower surface of the light guide plate. A light exit plane of the light source is placed in between the lower surface of the light guide plate and a light exit plane of the light guide plate. By means of altering the setup of the light guide plate and the reflective sheet, this invention settles the technical issue of mura appeared at the corresponding display panel.

Abstract: A display device includes a display panel, a light guide plate which is disposed under the display panel and includes a first side surface, a second side surface connected to one end of the first side surface, and a third side surface connected to the other end of the first side surface, a first light source disposed to face the first side surface and including a plurality of light emitting devices including a first light emitting device to emit a first color light and a second light emitting device to emit a second color light, and a first reflecting member disposed on the second side surface and having a complementary color to a color of the light emitted from a light emitting device, which is disposed closest to the one end of the first side surface, among the plurality of light emitting devices.

Abstract: The present invention discloses a backlight module and a liquid crystal display. The light guide plate is formed with hollow structures therein, and the hollow structures includes a first reflecting surface and a second reflecting surface; the first reflecting surface has a first inclination; the second reflecting surface has a second inclination; based on the first inclination, the first reflecting surface reflects light emitting toward the first reflecting surface; and based on the second inclination, the second reflecting surface reflects light emitting toward the second reflecting surface.

Abstract: Disclosed are an illumination system and a display apparatus using the same. The illumination system includes a light guide plate; grooves disposed in the light guide plate, each of the grooves having at least one inclined surface; light source modules disposed within the grooves, wherein the light source modules comprise, substrates and light sources disposed on the substrates; and stoppers disposed between a first surface of each of the light sources and the at least one inclined surface of each of the grooves, the first surface of each of the light sources facing the at least one inclined surface. A cross-sectional area of the grooves is larger than that of the stoppers.

Abstract: A lighting assembly includes a light guide having opposed major surfaces between which light propagates by total internal reflection and a light input edge. The light assembly also includes a light engine. The light engine has a heat conductive armature having a receptacle for a portion of the light guide that includes the light input edge and a light source retained by and thermally coupled to the armature. The armature functions as a heat sink for dissipating heat generated by the light source. The light guide is mechanically retained in the receptacle, and the light guide and the armature cooperate to align the light input edge with the light source for inputting light from the light source into the light guide through the light input edge.

Abstract: Disclosed herein are a backlight unit and a display apparatus using the same. The backlight unit includes a first reflector, a second reflector partially having an inclined surface, at least one light source module disposed between the first and second reflectors, and at least one reflective structure disposed on the second reflector.

Abstract: A spread illuminating apparatus includes a point light source with a light-emitting surface, a circuit board with a mounting surface on which the point light source is mounted, and a light guide plate with an incident light surface and an emitting surface. The circuit board is arranged as that at least a partial portion of the circuit board extends beyond an area where the point light source is mounted so as to be superposed on the light guide plate, a light-reflecting member is arranged on the mounting surface, and a region of the mounting surface in which the light-reflecting member is arranged includes a first region that extends forward from a position corresponding to the center of the light-emitting surface of the point light source.

Abstract: In a backlight assembly and a display apparatus having the backlight assembly, the backlight assembly includes a light source, a light guide, a first reflector, and an optical unit. The light guide is disposed adjacent to the light source, extends substantially parallel with a longitudinal direction of the light source, and refracts light emitted from the light source. The first reflector is disposed under the light guide and reflects the refracted light toward the optical unit. The optical unit is disposed over the first reflector such that an empty space is formed between the optical unit and the first reflector.

Abstract: The present disclosure provides a liquid crystal display (LCD) module and an LCD device. The LCD module includes a backplane, and a reflector sheet arranged on the backplane. The backplane is configured with a plurality of reinforced structures, a plurality of concave parts are formed between the reinforced structures, and the reflector sheet is arranged over the reinforced structures. The concave part(s) is configured with a support member used for supporting the reflector sheet. In the present disclosure, because the concave part of the backplane is configured with a support member used for supporting the reflector sheet, the reflector sheet is prevented from deforming and being depressed on the concave part of the backplane because of no support, and the reflector sheet is prevented from abnormally reflecting light because of deformation, thereby increasing the display effect of the LCD device.

Abstract: A display device includes a display panel. The display device further includes a light source attached to a surface of the display panel. The display device further includes a light guide overlapping the display panel.

Abstract: The present invention discloses a display device and a backlight module. The backlight module comprises a waveguide, a reflector, a backframe and a shimming device. The reflector arranged behind the waveguide. The backframe carries and supports the waveguide and the reflector. An light inlet edge of the waveguide and the backframe is defined with a gap in which a shimming device is seated within the gap so as to effectively support the waveguide. This arrangement can effectively prevent the warpage or bending of the waveguide in the area of the light inlet area. Stabilizing the efficiency of illumination of the backlight module. As a result, the insufficient of illumination of the waveguide encountered by the prior art is avoided.

Abstract: A backlight unit includes a light source which emits light, a light guide plate which receives the light through an incident surface thereof and guides the light, and a back cover which accommodates the light source and is coupled to the light guide plate such which the incident surface is disposed in an inner space thereof, where an air guide area is defined between the light source and the light guide plate in the inner space, and the back cover includes an inclined surface inclined to the incident surface of the light guide plate in the air guide area.

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 back light module includes a light guide plate, at least one first light source, at least one second light source and at least one first reflection element. The light guide plate includes a first light incident surface, a second light incident surface opposite to the first light incident surface, a light emitting surface, and a bottom surface opposite to the light emitting surface. The first light source is disposed beside the first light incident surface and suitable to provide a first non-collimated light beam to the first light incident surface. The second light source is disposed beside the second light incident surface and suitable to provide a first collimated light beam to the second light incident surface. The first reflection element is disposed beside the first light incident surface to reflect the first collimated light beam emitted so as to make the first collimated light beam diverge.

Abstract: A light emitting device (1) for illuminating a backlight device is provided. The device comprises an array (2) of light sources and at least one reflector (3a, 3b) arranged along an edge of the array (2) of light sources. The array is arranged with alternating first (4a, 5a) and second (4b, 5b) light sources, the first light sources (4a, 5a) emitting light of a first colour (G) and the second light sources (4b, 5b) emitting light of a second colour (P). The combined intensity of at least one light source (4a, 4b) arranged adjacent to the at least one reflector (3a, 3b) and its virtual image in the reflector is about 80-120% of the average intensity of the light sources (5a, 5b) of the same colour which are not arranged adjacent to the at least one reflector.

Abstract: A backlight 12 includes a first LED board 18A, a second LED board 18B 18B, a light guide plate 19, a first LED drive circuit 26a, a second LED drive circuit 26b, and light reflection portions 28. The second LED board 18B is arranged in a high temperature area in which a temperature tends to become higher. The light guide plate 19 includes a pair of end surfaces opposite the first LED board 18A and the second LED board 18B, respectively, and through which rays of light from the first LED board 18A and the second LED board 18B enter, and a plate surface through which rays of light exit on a light exiting side. The first LED drive circuit 26a and the second LED drive circuit 26b are configured to supply a smaller current to the second LED board 18B than the current supplied to the first LED board 18A.

Abstract: A vehicular display apparatus includes a light source and a light guide member. The light guide member includes (i) an interior portion that receives light from the light source and (ii) outer faces that reflect the light repeatedly to permit the light to propagate in the interior portion. The light guide member further includes a viewable portion and a light absorption member serving as a light attenuation portion. The viewable portion reflects a part of the light propagating in the interior portion towards a viewer side so as to appear to be luminous. The light absorption member absorbs a part of light reflected by the outer face.