Abstract: A light-emitting device includes a transparent light guide plate and a light source that irradiates light onto the light guide plate, in which a plurality of dot-shaped light-emitting concave portions having light output surfaces that output incident light derived from the light source from light-emitting surfaces are formed on the light guide plate, and a diffraction grating, which is an assembly of grooves paralleled at a constant pitch, is formed on each of the light output surfaces of the dot-shaped light-emitting concave portions.

Abstract: An illumination device has a light guide plate, a sheet section, and a frame. Each optical sheet has projections. The sheet section has a plurality of secured parts each formed by one of the projections or by a plurality of the projections overlapping each other, and the sheet section is secured to the frame at the respective secured parts by a fixing member provided on the side of the sheet section opposite to the light guide plate. The number of projections included in each of the secured parts is fewer than the number of the plurality of optical sheets forming the sheet section.

Abstract: A lighting device (30) comprises a side-light light guide 1? located in a support (2) that has an elongate opening for the passage of light emitted by the light guide. The support (20) is shaped to provide contact edges (24) and the only physical engagement between the support and the light guide is along those contact edges. The support also has planar surfaces internal positioned adjacent, and parallel to, planar surfaces (15) in the light guide to retain the light guide in the required orientation in the support. To enhance the flexibility of the support, in some embodiments only part of the support is continuous along the whole length of the support (FIGS. 14 to 19).

Abstract: A backlight unit is capable of preventing generation of mura such bright lines and dark lines. The backlight unit includes a light guide panel divided into a plurality of light guide blocks for local dimming driving, a first block partitioning unit formed as a groove between respective adjacent light guide blocks on a lower surface of the light guide panel, and a point light source received in the first block partitioning unit.

Abstract: A thin-profile, optically efficient lighting device for use with, among other things, flat information displays, includes a combination of two optically coupled light propagating structures. The first structure may be a compound hyperbolic-elliptic element, adapted to receive light from at least one light source, such as a light emitting diode, and inject it into the second structure, which generally is larger and has hyperbolic-elliptic shape and a plurality of flux extractors. The latter redirect the light flux so that it propagates out of the second structure with a desired luminance and/or intensity distribution in a direction that is essentially perpendicular to the surface of the second structure. The flux extractors may also be of the active, i.e. wavelength-converting, type.

Abstract: An electronic device includes a display module, a base and a keyboard module. The display module is pivoted on the base. The keyboard module is disposed on the base. The keyboard module has a plurality of keys. Each of the keys includes a main body and an imprinted structure. The main body has a top surface. The imprinted structure is disposed on the top surface of the main body and includes a light guiding portion and a light scattering portion. A light emitted by the display module illuminates the keyboard module. The light is guided towards a specific direction when the light passes through the light guiding portion, and the light is scattered in other directions when the light passes through the light scattering portion.

Abstract: An illumination device and a lens thereof are provided. The lens includes a surrounding sidewall, a light-incident surface, a light-incident structure, and a light-emitting surface. The surrounding sidewall includes two planar portions opposite to each other and two arc-surface portions opposite to each other to surround a reference axis. The light-incident surface is located at a side of the surrounding sidewall to receive a light emitted from a point light source. The light-incident structure located on the light-incident surface includes a plurality of bar-shaped protrusions. Each bar-shaped protrusion includes a plurality of first light-diffusing surfaces not parallel to the light-incident surface. The light-emitting surface is located at the other side of the surrounding sidewall and is opposite to the light-incident surface. The light-emitting surface is substantially circular. A cross-section area of the lens gradually increases from the light-incident surface to the light-emitting surface.

Abstract: The present disclosure relates to a backlight module and a liquid crystal display (LCD) device. The backlight module includes a light guide panel (LGP), and a backplane. The backplane includes sidewalls, and a bottom wall. The LGP is arranged in the backplane. The backlight module further includes fixing pieces. The LGP is configured with a first fixing hole, and the sidewall or the bottom wall of the backplane is configured with a second fixing hole. The fixing piece penetrates through the first fixing hole in the LGP and the second fixing hole in the backplane and fixes the LGP to the backplane. In the present disclosure, the LGP is fixed to the backplane through the fixing piece penetrating through both the first fixing hole in the LGP and the second fixing hole in the backplane thereby preventing the LGP from moving upwards and downwards in the vertical direction.

Abstract: A light guide plate comprises a light incidence surface for receiving light rays; a transforming fluorescent powder disposed on the light incidence surface for converting the light rays into white rays; a reflection surface for reflecting the light rays and destroying total internal reflection formed inside the light guide plate to generate planar light rays; a light emitting surface for emitting the planar light rays; and a lateral reflection surface disposed away from the light incidence surface for reflecting the light rays from the light incidence surface and the reflection surface; the lateral reflection surface having a compensative fluorescent powder disposed thereon for adjusting a color of the planar light rays. The light guide plate can reduce the backlight color difference for a panel of a single-end incident type to improve visual quality level and the quality of products.

Abstract: A light guide plate for a backlight. The light guide plate includes: a light source unit for generating light; a light guide plate proximate to the light source unit and including an upper surface and a lower surface; and a light emission pattern configured to diffuse a portion of the light directed toward an image display panel, and a first straight pattern configured to channel the light along a direction substantially parallel to a direction of propagation of the light generated by the light source unit, both the light emission pattern and the first straight pattern being disposed on one of the upper surface and the lower surface of the light guide plate, in which the first straight pattern has peaks and valleys formed in alternating and repeating manner in a direction substantially perpendicular to a direction of propagation of the light generated by the light source unit.

Abstract: An object is to implement a narrowed picture-frame while suppressing the occurrence of light leakage and a reduction in luminance in an edge-light type backlight device. A backlight device is composed of LEDs (40); a side chassis (51) supporting a board having the LEDs (40) mounted thereon; a light guide plate (20) for allowing light emitted from the LEDs (40) to exit toward a liquid crystal panel in a planar manner; a reflection sheet (30) for allowing light traveling toward a back surface side within the light guide plate (20) to be reflected thereby; optical sheets (10) including a reflection type polarizer (11), a prism sheet (12), and a diffuser (13); and a top chassis (52) disposed on top of the optical sheets (10). Black printing (60) is provided in a part of the region of the diffuser (13).

Abstract: Disclosed is a display device wherein a light emitting element can have a longer service life, while suppressing luminance unevenness without causing an increase in cost or size. The display device comprises a light guide plate (21), an LED (25) that is arranged on the side of at least one corner portion (21d) of the light guide plate (21), a frame (4) that has a lateral portion (4b), and a bezel (5) that has a lateral portion (5b). The LED (25) is attached to a part (4d) of the lateral portion (4b) of the frame (4), and the part (4d) is thermally connected to a part (5d) of the lateral portion (5b) of the bezel (5).

Abstract: This application describes a back-lit transmissive display including a transmissive display (620) and a variable index light extraction layer (640) optically coupled to a lightguide (630). The variable index light extraction layer has first regions (140) of nanovoided polymeric material and second regions (130) of the nanovoided polymeric material and an additional material. The first and second regions are disposed such that for light being transported at a supercritical angle in the lightguide, the variable index light extraction layer selectively extracts the light in a predetermined way based on the geometric arrangement of the first and second regions. The transmissive display may be a transmissive display panel or a polymeric film such as a graphic.

Abstract: A display module includes a display panel and a backlight module. The display panel has overlapped first and second substrates, wherein the first substrate extends beyond the second substrate at a first side. The backlight module is disposed on one side of the display module opposite to the display surface and includes a support unit disposed along the first side. The support unit has a first tier portion and a second tier portion, which is lifted toward the display panel with respect to the first tier portion and supports the display panel. A projection region of the display panel supported by the second tier portion on the first substrate covers or overlaps the edge of the second substrate at the first side and extends to an overlapping area of the first substrate and the second substrate.

Abstract: Windows, or other types of transparent materials, may be constructed to passively allow light from alternate sources to pass therethrough, while also being able to actively produce artificial light for providing illumination from one side of the window by means of an incorporated optical waveguide that accepts light from an edge of the window and disperses it from only one side of the window.

Abstract: A thin backlight module includes a light guide plate, a light source module, and an adhesive layer. The light guide plate has a light-entering end and a bottom, wherein a plurality of troughs spaced at intervals are formed on a portion of the bottom connected to the light-entering end. The light source module is disposed corresponding to the light-entering end and includes a substrate and a plurality of light sources. The light sources are disposed on the substrate and distributed along the light-entering end, wherein each of the light sources corresponds to an interval between the adjacent troughs. The adhesive layer is attached to the substrate, faces the bottom of the light guide plate, and extends into the troughs to be attached to the light guide plate.

Abstract: Disclosed is a light unit. The light unit includes: a light guide plate having a plurality of grooves formed on one side thereof; a light guide extension formed at one side of the groove; and at least one light emitting diode allowing light to be incident on the light guide plate through the light guide extension.

Abstract: In a display apparatus, a light guide plate includes a chamfered corner portion that defines a light incident surface. A light source unit is arranged adjacent to the light incident surface to provide the light to the light guide plate through the light incident surface. A display panel receives light from the light guide plate to display an image. A receiving container includes sidewalls and a bottom portion to accommodate the light guide plate and the light source unit. At least one sidewall adjacent to the corner portion is divided into a first part and a second part that may be coupled to or separated from each other. Thus, the light guide plate and the light source unit may be easily accommodated in the receiving container, thereby improving an assembling efficiency.

Abstract: A flat panel display uses pixels (2060) that are turned on or off by the enabling or disabling total internal reflection, TIR, of a light guide (2010). A reflective surface (2070) directs the switched light towards the viewer. An optional mask may be employed to provide extremely high contrast ratios in low and in high ambient lighting conditions. The elements (2080) that enable TIR may be enabled quickly because of their small size and weight, resulting in a very fast switching speed. The fast switching speed allows colors to be generated and displayed in a sequential manner.

Abstract: An integrated illumination apparatus includes a light injection portion having a first end for receiving light from a light source. The light injection portion includes material that supports propagation of said light along the length of the light injection portion. Turning microstructure is disposed on a first side of the light injection. The turning microstructure is configured to turn at least a substantial portion of light incident on the first side and to direct the portion of the light out a second opposite side of the light injection portion. A slit is disposed along the length of the light injection portion. The slit forms an optical interface on the second opposite side of the light injection portion that provides total internal reflection for light propagating along the length of the light injection portion to be guided therein. The optical interface further transmits light turned by said turning microstructure.

Abstract: A display device with switchable viewing includes a backlight module and a display panel. The backlight module includes a light guide plate, first optical structures, a reflector, a first light source, and a second light source. The light guide plate includes a bottom surface, a light exit surface, a first light incident surface, and a second light incident surface. The display panel is disposed on the light exit surface. The first optical structures are disposed on the bottom surface and each includes a first inclined surface and a second inclined surface. The angle between the first inclined surface and the bottom surface is smaller than that between the second inclined surface and the bottom surface. Lights from the first light source and the second light source enter the light guide plate from the first light incident surface and the second light incident surface, respectively.

Abstract: A light guide with optics guides light exiting the guide. The device achieves accurate control of the reflected light by extracting light from a limited area of the light guide. The configuration of the reflectors used for the selective extraction determines the nature of the output light. The reflectors may be located on a side of the light guide opposite to an output side of the light guide.

Abstract: A backlight module including a back frame, a light guiding plate received in the back frame, and a position piece is disclosed. The position piece is arranged between the back frame and the light guiding plate, and the position piece is detachably fixed on sidewalls of the back frame to firmly press the light guiding plate within the back frame. In addition, a liquid crystal display with the backlight module is also disclosed. The light guiding plate is reliably positioned by adopting the above position piece.

Abstract: The present invention discloses a backlight module which can be incorporated within the liquid crystal display device, and which includes a waveguide, a heat dissipating frame, a light source and a backframe. The heat dissipating frame includes a carrying portion and a sidewalk The carrying portion abuts against a bottom surface of the waveguide. The carrying portion is defined with openings in an area adjacent to the sidewalk. The light source is mounted onto the sidewall and offset to the opening. The backframe includes a bottom board and erections which extend and pass through the opening. The bottom board abuts the carrying portion. The thickness of the erection is larger than the thickness of the light source such that expansion of the waveguide exposed under heat will not in contacting with the light source. Accordingly, the light source will not be damaged by the expansion of the waveguide, and therefore prolong the service of the light source.

Abstract: An image display apparatus includes an image forming device, a collimating optical system, and an optical device. The optical device includes a light guide plate, a first deflecting member that deflects light incident on the light guide plate, and a second deflecting member that deflects the light, which propagates in the light guide plate by total reflection, a plurality of times. The first and second deflecting members are provided in the light guide plate. Light having one wavelength emitted from at least one pixel satisfies the following condition: 2t·sin ??2?WY?2t·sin ?+2 where an axial direction of the light guide plate is the Y-direction, WY represents the width in the Y-direction of the light incident on the light guide plate, t represents the thickness of the light guide plate, and ? represents the total reflection angle.

Abstract: A spread illuminating apparatus includes a light source, a flexible printed circuit board, and a light guiding plate. The light guiding plate has a light incident face, and a light output portion planarly outputting light. The light guiding plate has an inclined portion between the light incident face and the light output portion, the inclined portion having an inclined face gradually reducing in thickness from the light incident face toward the light output portion; the flexible printed circuit board is placed on the light guiding plate from the side of the inclined face, and has a mounting portion mounting the light source, and a bent portion bent to the mounting portion and fixed to the inclined face of the inclined portion, and the bent portion includes a thickness reduced portion having a thickness less than the mounting portion.

Abstract: A surface light source device has a point light source disposed opposite a light incident surface of a light guide plate. The light guide plate includes a light introduction part, and a light guide plate body having a thickness smaller than a maximum thickness of the light introduction part. The light introduction part includes an inclined surface inclined from a surface in a portion having a thickness larger than the thickness of the light guide plate body toward an end of the surface of the light guide plate body. The light guide plate body has a light exit pattern for reflecting the light in the light guide plate body to output the light from a light exit surface. In a region close to the point light source of the light guide plate body, the thickness of the light guide plate body increases gradually with distance from the point light source.

Abstract: A light guide plate with an adjustable illumination angle and an illumination device using the same are provided. The light guide plate has a first surface and a second surface opposite to the first surface. The second surface further has a plurality of deformable microstructures thereon. The deformable microstructures will be deformed when an external force is applied to the deformable microstructures. The illumination device has a light source and a light guide plate that is disposed next to the light source. A light beam emitted from the light source enters into the light guide plate and leaves the light guide plate via reflecting or refracting by the deformable microstructures. By applying a different external force to the light guide plate, the deformation of the deformable microstructures will be varied. Therefore, the illumination angle of the light beam could be changed according to the deformation of the deformable microstructures.

Abstract: A backlight module for illuminating a display is described. The backlight module may be provided in an electronic device along with a light source for illuminating an LCD display. The backlight module includes a diffuser, a light guide having a top surface and a bottom surface, a reflector, and a prism structure positioned between the light guide bottom surface and the reflector. The prism structure has a plurality of prisms extending towards the light guide. The prism structure may include a film or a top portion of the reflector having a plurality of prisms extending towards the light guide.

Abstract: A reflecting structure is provided with a first surface having two side-end portions opposing each other and a plurality of light scatterers, each scattering light, formed on the first surface. In a section perpendicular to an axis located on the first surface between the two side-end portions, the height of each of the light scatterers from the first surface gets smaller from the axis toward the side-end portion.

Abstract: A diffusion plate includes a base having a top surface and a bottom surface and a plurality of parallel convex ridges integrally formed on the top surface of the base while extending in one direction. Each convex ridge has a cross section shaped as a portion of an ellipse. The display apparatus includes a display panel, a light source and the diffusion plate.

Abstract: The light guide plate has a first light incidence surface and a second light incidence surface which are provided on end sides of a light exit surface and are orthogonal to each other. The light guide plate includes two or more layers superposed on each other in a direction substantially perpendicular to the light exit surface and containing scattering particles at different particle concentrations. The thicknesses of the two or more layers in the direction substantially perpendicular to the light exit surface change so that a combined particle concentration of the light guide plate has, in directions perpendicular to the light incidence surfaces, a first local maximum value located on sides closer to the light incidence surfaces and a second local maximum value located at positions farther from the light incidence surfaces than positions of the first local maximum value and being larger than the first local maximum value.

Abstract: A light guide comprising: a main light-guide housing that is elongated shaped, having a first end face, a second end face, and a first lateral face connecting the first end face and the second end face, and the main light-guide housing being elongated in a predetermined direction from the first end face to the second end face; and a protrusion that is connected to the main light-guide housing, having a third end face in an opposite direction from the predetermined direction and a second lateral face connecting the third end face to the first end face, and the protrusion projecting from the first end face in the opposite direction from the predetermined direction, wherein, light emitted toward the third end face by a light source in part exits the protrusion from the second lateral face, then enters the main light-guide housing from the first end face, and thereafter exits the light guide from the first lateral face.

Abstract: A backlight module includes a light source, a light guide plate and at least one optical film. The light source has a plurality of light emitting devices. The light guide plate includes a light entrance portion, a main body portion and at least one positioning structure. The light entrance portion has a top surface and a light entrance surface. The light source is disposed corresponding to the light entrance surface. The top surface is adjacently connected to the light entrance surface. The main body is connected to the light entrance portion and has a first light extraction surface connecting the top surface. The positioning structure is disposed on the top surface and corresponding to an interval between two adjacent light emitting devices, and has an accommodating space. The optical film is disposed above the light guide plate and has at least one protruding portion disposed in the accommodating space.

Abstract: The light guide plate includes two or more layers superposed on each other in a direction substantially perpendicular to a light exit surface and containing scattering particles at different particle concentrations. The thicknesses of the two or more layers in the direction substantially perpendicular to the light exit surface are changed so that the combined particle concentration of the light guide plate has, in a direction perpendicular to at least one light incidence surface, a first local maximum value on at least one side closer to the at least one light incidence surface and a second local maximum value located at a position farther from the at least one light incidence surface than at least one position of the first local maximum value and being larger than the first local maximum value.

Abstract: This disclosure provides systems and methods for illumination systems with one or more reflective structures over a light guide. In one aspect, each reflective structure can have an absorber structure with a width greater than a width of the reflective structure. The absorber structure can have overhanging portions that are in parallel with and laterally protrude past one or more edges of the reflective structure, or the absorber structure can have enclosing portions that substantially enclose the reflective structure. The reflective structures can include light-turning features, such as facets, and/or conductive wires, such as touch sensor wires.

Abstract: The present invention provides a light guide plate and a backlight module using the light guide plate. The light guide plate has an upper surface forming upper micro-structures and a lower surface forming lower micro-structures. The upper and lower micro-structures are set parallel to propagation direction of the light that emits from a backlight source traveling within the light guide plate. The upper and lower micro-structures each include a plurality of periodically and successively juxtaposed strip-like units. Each of the strip-like units forms a prism. The strip-like units of the upper and lower micro-structures are juxtaposed in the same direction. With the combination and arrangement of the upper micro-structures and lower micro-structures, collimation of light is improved after the light from an LED light source enters the light guide plate so as to improve convergence of the light inside a section.

Abstract: The present invention relates to a method for producing light guide bodies and to their use in lighting units, for example for liquid crystal displays or for monitors. In particular, the present invention relates to a method for producing light guide bodies which have a thickness of at most 1 mm and contain at least 80 wt % of polymethyl methacrylate and no light-scattering constituents.

Abstract: A backlight module includes a light guide panel (LGP), and a backplane. The LGP is arranged in the backplane, each side wall of the backplane is configured with a through hole(s), and the fixing pieces penetrate through the through holes and then fix the LGP. The fixing pieces are arranged on the side surface of the backplane of the present disclosure, and the fixing pieces are used for preventing the LGP from upward and downward moving in the vertical direction.

Abstract: The present invention provides a light guide plate comprising an input surface for receiving light from a light source, an output surface for emitting light, and a bottom surface opposing to the output surface, wherein at least one of the output surface and the bottom surface has a micro-pattern, the micro-pattern comprising a plurality of micro-lenses. The light guide plate further comprises micro-lens having a width w, a length l, a depth d, an orientation angle, a first base angle ?1, a second base angle ?2, a first entry angle ?1, and a second entry angle ?2 such that when depth change ?d is 0.1 ?m, area change ratio, defined as ( l + ? ? ? l ) · ( w + ? ? ? w ) - l · w l · w , is less than or equal to 0.95% and the beginning number density of the micro-lenses is greater than or equal to 8 per mm2, ?w being width change and ?l being length change corresponding to depth change ?d.

Abstract: A light guide plate includes upper microstructures forming an upper surface. The upper microstructures are distributed in a successive convex-concave alternating arrangement in a direction perpendicular to propagation direction of light in the light guide plate. The light guide plate is divided according to the distance from the light source in the light propagation direction into a proximal side and a remote side. With H indicating height of shape features of the upper microstructures and P indicating spacing between the shape features of the upper microstructures, the shape features of the upper microstructures show a distribution that is variable in the light propagation direction in such a way that the variation satisfies the condition that aspect ratio H/P of the upper microstructures at the proximal side of the light guide plate is less than aspect ratio H/P of the upper microstructures at the remote side of the light guide plate.

Abstract: A surface illumination device has a light source, a light guide plate that has a light-emitting surface and an opposite surface opposite to the light-emitting, wherein the light guide plate emits light introduced from the light source from a display region of the light-emitting surface, and a plurality of deflection patterns that are formed in the display region in at least one of the light-emitting surface and the opposite surface. The display region has a certain drawing pattern expressed by a set of the deflection patterns. Some of the plurality of deflection patterns are arrayed along an edge of the certain drawing pattern so as to rim the certain drawing pattern.

Abstract: The present invention provides a light guide plate and a side-edge backlight module using the light guide plate. The light guide plate includes a plurality of air barrier walls formed therein. The air barrier walls divide the light guide plate into a plurality of sections. With the arrangement of air barrier walls between independent sections of the light guide plate according to the present invention, by means of total reflection, light incident into each independent section is blocked from penetrating through the air gaps and is thus confined within the independent section. Thus, brightness sectioning and independent control of sectionalized brightness of the light guide plate can be realized and improved light isolation result, improved yield, being mass producible, and low cost can be achieved. The side-edge backlight module uses the light guide plate so as to realize brightness sectioning and independent control of sectionalized brightness of the backlight module.

Abstract: This disclosure provides systems, methods and apparatus for an optical system including a light guide and a plurality of angled slots. The angled slots are defined by undercuts in the light guide and are filled with a filler material having a refractive index that is mismatched with the refractive index of the light guide material by about 0.3 or less. The angled slots are configured to eject light out of the light guide principally by Fresnel reflections. Layers formed of the filler material can be disposed along each of the bottom and top major surfaces of the light guide. In some implementations, the light guide is attached to a light source. The light source emits light that is injected into the light guide and the angled slots redirect the light out of the light guide toward a desired target. In some implementations, the target is a display.

Abstract: A light-guide module including a light-guide sheet and a light source is provided. The light-guide sheet includes a light-emergent region and a plurality of localized micro-structures located at a first surface of the light-guide sheet, wherein the localized micro-structures are distributed except the light-emergent region. The localized micro-structures include a plurality of arc grooves disposed on a first region. The light source includes a plurality of light-emitting devices. A light-emergent area of each of the light-emitting devices is A. In the localized micro-structures of the first region covered by the light-emitting devices, an area occupied by the arc grooves having aspect ratios greater than 0.5 is greater than or substantially equal to 0.5 A.

Abstract: A light guide plate has a light incident surface arranged facing a plurality of point light sources arrayed in a line, a light exit surface orthogonal to the light incident surface, and two side surfaces orthogonal to the light incident surface and the light exit surface. Light from the plurality of point light sources introduced from the light incident surface is diffused by a diffusion unit arranged on the light exit surface or a surface facing the light exit surface. The light diffused by the diffusion unit is exited from the light exit surface. A distance between a point light source positioned at an end of the plurality of point light sources and the light incident surface is different from a distance between a point light source not positioned at the end of the plurality of point light sources and the light incident surface.

Abstract: Light emitted from a light source such as LED and reflected by a fingertip is guided by a cover member onto a light receiving surface of an imaging element. A second resin part is provided that is in contact with the cover member and a resin molded part sealing the imaging element. The reflected light guided by the cover member is made to reach the light receiving surface via the second resin part and the resin molded part, traveling along a path spaced apart from an air layer.

Abstract: The present invention discloses a multi-level light guide plate (LGP) and a liquid crystal display (LCD) module. The LGP is divided into multiple sections sequentially connected with each other in a direction, and at least one light bar is disposed at an outward side of each section of said multiple sections. The LCD module has the multi-level LGP, which is located between a liquid crystal panel and a back plate. The multi-level LGP provided by the present invention can achieve local dimming for multiple sections and ensure that light rays of the respective sections will not influence each other.

Abstract: Disclosed is a liquid crystal display device, including: a liquid crystal panel, a light guide plate disposed in a rear direction of the liquid crystal panel, a lamp disposed along at least one side edge of the light guide plate, a lamp housing covering a portion of a circumference of the lamp, and a reflecting plate disposed at a rear surface of the light guide plate, wherein a protrusion portion is disposed at an inner surface of the lamp housing adjacent to the reflecting plate, and an end portion of the reflecting plate is curved to extend toward the protrusion portion, thus to provide a liquid crystal display panel which can obtain uniform luminance and minimized light leakage.

Abstract: A front frame of a flat panel display having positioning structure allows a LCD cell to be positioned and mounted thereon along an assembly direction. A restraining frame may be further incorporated for positioning and spacing purposes for each component of the display. Optical films, a light guide component, a backlight unit, and a reflector of the flat panel display are then mounted in a row along the assembly direction on the restraining frame or the front frame, where the backlight unit and/or the reflector may be fixed to a back cover of the backlight module in advance. Finally, a speaker, wiring of the display, circuit boards, and a board cover are assembled to the front frame and the back cover.