Abstract: A backlight module includes a tray, a light guide plate, a lighting device, and an optical film set. The tray includes a bottom plate and a side wall connecting an edge of the bottom plate. The side wall includes a plurality of wall portions connected to one another. Some of the wall portions are perpendicular to the bottom plate, and the others are parallel to the bottom plate. The light guide plate is disposed on the bottom plate. The lighting device is disposed at a light incident side of the light guide plate. The optical film set disposed on the light guide plate leans against the side wall.

Abstract: A power transmission circuit, a light source module including the power transmission circuit, and a panel display device are provided. The power transmission circuit includes a substrate, a power transmission layer, a metal shielding layer, a first protective layer, and a second protective layer. The substrate has a first surface and a second surface with the power transmission layer and the metal shielding layer respectively formed thereon. The metal shielding layer covers a projection region of a transmission section of the power transmission layer. The first and second protective layers are respectively disposed on the power transmission layer and the metal shielding layer and opposite to the substrate to protect the power transmission layer and the metal shielding layer.

Abstract: The present invention discloses a backlight module and a display device comprising the backlight module. The backlight module includes a light source, a light guide plate and a frame, wherein the light guide plate has a light entrance end and a first side. An angle is included between the light entrance end and the first side, wherein a plurality of light diffusing structures are formed on the light entrance end. The light source is disposed at a position corresponding to the light entrance end and emits a light toward the light diffusing structures. The frame has a first wall facing an inner surface of the first side. A centre line perpendicular to the light entrance end is defined on the light guide plate, wherein the distance between the inner surface and the centre line increases in a direction toward the light source.

Abstract: A backlight module and a display device using the same are provided. The display device further includes a first panel and a second panel disposed on opposite sides of the backlight module. The backlight module has a light module and a back plate with a through hole formed on it. The light module includes a flexible circuit board having a first strip and a second strip. A plurality of first light sources and second light sources are respectively disposed on the first strip and the second strip. The flexible circuit board passes through the through hole, and the first strip and the second strip are on two opposite sides of the back plate. The first strip and the first light sources are distributed along a side of the first panel while a portion of the second strip is bent to extend along a side of the second strip.

Abstract: A backlight module and a display device using the same are provided. The display device includes a display panel, an electromagnetic touch panel, and the backlight module overlapping one another. The backlight module has a light guide plate and a light source module consisting of a flexible circuit board strip and a plurality of light sources disposed thereon. The flexible circuit board strip includes a light source section, a connection section, and a signal transmission section. The light source section and the signal transmission section extend along a light entrance edge and a side edge adjacent to the light entrance edge of the light guide plate, respectively. Two ends of the connection section are connected to the light source section and the signal transmission section, respectively.

Abstract: A backlight unit includes a light guide plate and a plurality of light sources. A side of the light guide plate is provided with an optical microstructure including a plurality of convex lens members aligned along the side. The height-to-pitch ratios of the convex lens members in the central region of the optical microstructure are different from those of the convex lens members in the side regions of the optical microstructure. For example, the height-to-pitch ratios of the convex lens members in the central region of the optical microstructure are larger than the height-to-pitch ratios of the convex lens members in the side regions of the optical microstructure. The light sources may be light emitting diodes (LED) directed toward the optical microstructure.

Abstract: A backlight module and a liquid crystal display (LCD) both have a heat conductive structure for reducing the non-uniformity phenomenon of display. The backlight module comprises a frame, a reflective sheet, a heat-conductive plate, and a circuit board, wherein the frame has a bottom portion and at least one substantially step-typed through hole is formed therein. The reflective sheet is disposed on the inner surface of the bottom portion, and the heat-conductive plate is disposed in the step-typed through hole, and is spaced from the reflection sheet at a predetermined distance. The circuit board is disposed on the outer surface of the bottom portion of the frame, and has at least one electrical component that is received in the substantially step-typed through hole.

Abstract: A backlight structure comprises a light-guide plate and a light source module. There is a light-entering surface, which is a burnished surface, on one side of the light-guide plate. Besides, there is an effective light-emitting area on the light source module, and there is a distance between the centerline of which area and that of the light-entering surface. Thereby, the luminance on the bottom-left corner of the backlight structure is made identical to the luminance on the bottom-right corner by increasing the propagation ranges of the light on the bottom-left and the bottom-right corners as a result of a burnish surface as well as of asymmetrically adapting the light source module.

Abstract: A backlight module is provided. The backlight module includes a frame, a fixed structure and at least one optical film. The fixed structure includes a fixed part and a connected part connects to the surface and the fixed part. The width of the fixed part is substantially greater than the width of the connected part. The at least one optical film includes an accommodated part comprising a first portion and a second portion adjoins to the first portion. The width of the first portion is substantially greater than or substantially equal to the fixed part, and the width of the second portion is substantially greater than or substantially equal to the width of the connected part.

Abstract: A mold frame and a bezel are disclosed. The mold frame includes a bottom portion having a first side, wherein the first side has a first end and a second end opposite to the first end, and there is only one stopper set disposed on the first side. The stopper set is composed of a plurality of stoppers sequentially arranged from the first end to the second end, wherein the first stopper of the stopper set is spaced a first distance apart from the first end; and/or the last stopper of the stopper set is spaced a second distance apart from the second end. The bezel is used for accommodating the aforementioned mold frame, and includes a first side structure having a first opening; and/or a second side structure having a second opening. A liquid crystal display is also disclosed, and includes the mold frame and bezel.

Abstract: A backlight module is provided. The backlight module includes a frame, a fixed structure and at least one optical film. The fixed structure includes a fixed part and a connected part connects to the surface and the fixed part. The width of the fixed part is substantially greater than the width of the connected part. The at least one optical film includes an accommodated part comprising a first portion and a second portion adjoins to the first portion. The width of the first portion is substantially greater than or substantially equal to the fixed part, and the width of the second portion is substantially greater than or substantially equal to the width of the connected part.

Abstract: An optical film for use in a backlight module and the backlight module are disclosed. The backlight module comprises a light source, a light guide plate and a plurality of optical films, wherein the light source is used to provide incident light which will be received by the light guide plate. The light guide plate is used to guide the incident light to the optical films uniformly, and the optical films are disposed above the light guide plate to receive and treat the incident light from the light guide plate. The optical films have at least one substrate having a single-oriented axis, thereby when the optical films rotate 360 degrees along a normal axis thereof, the substrate is adapted to substantially present at least one repetitive distribution of polarization for every 180 degrees, with respect to the incident light emitted from the light source of the backlight module.

Abstract: Disclosed are a backlight module and a liquid crystal display (LCD) including the same. The backlight module has a heat conductive structure so as to reduce the non-uniformity phenomenon of display. The backlight module comprises a frame, a reflective sheet, a heat-conductive plate, and a circuit board, wherein the frame has a bottom portion and at least one substantially step-typed through hole is formed therein. The reflective sheet is disposed on the inner surface of the bottom portion, and the heat-conductive plate is disposed in the step-typed through hole, and is spaced from the reflection sheet at a predetermined distance. The circuit board is disposed on the outer surface of the bottom portion of the frame, and has at least one electrical component that is received in the substantially step-typed through hole.

Abstract: A backlight module includes a light source, a light guide plate for guiding light from the light source, and a brightness enhancement film having a plurality of spherical surface microlenses for gathering light from the light guide plate. In contrast to traditional prism sheets, the brightness enhancement film having the plurality of spherical surface microlenses have better efficiency of light-gathering.

Abstract: A backlight structure comprises a light-guide plate and a light source module. There is a light-entering surface, which is a burnished surface, on one side of the light-guide plate. Besides, there is an effective light-emitting area on the light source module, and there is a distance between the centerline of which area and that of the light-entering surface. Thereby, the luminance on the bottom-left corner of the backlight structure is made identical to the luminance on the bottom-right corner by increasing the propagation ranges of the light on the bottom-left and the bottom-right corners as a result of a burnish surface as well as of asymmetrically adapting the light source module.

Abstract: A flat display, a flat panel display and a backlight module are disclosed. The flat display module comprises the flat panel display and the backlight module. The flat panel display comprises an upper polarizer and a lower polarizer. The lower polarizer includes a first diffusion layer. The backlight module comprises a light emitting device, a prism sheet and a light guide plate. A light beam is provided by the light emitting device. The prism sheet is one-dimensional prism array structure. The light guide plate includes a second diffusion layer for diffusing the light beam. The first diffusion layer has an optical haze greater than the optical haze of the surface of the upper polarizer. Accordingly, thin thickness and high brightness are achieved for the flat display.

Abstract: A backlight module includes a light source, a light guide plate for guiding light from the light source, and a brightness enhancement film having a plurality of spherical surface microlenses for gathering light from the light guide plate. In contrast to traditional prism sheets, the brightness enhancement film having the plurality of spherical surface microlenses have better efficiency of light-gathering.

Abstract: A device for a passive module of optical communication includes a first housing made of material with low coefficient of thermal expansion, and a second housing made of material with negative coefficient of thermal expansion. A longitudinal receiving recess is defined at the first housing for receiving the second housing, thereby effectively and accurately restraining shift of reflective central wavelength of a fiber Bragg grating (FBG) under variation of environment temperature during working. Also, A tunable mechanism including an elastic recess is formed with the first housing and a tunable member which can tune the width of the elastic recess through pressing the first housing, thereby independently switching reflective central wavelength of the FBG at desire.

Abstract: A coupling method of a coupler includes the following steps: (1) making a pair of optical fibers with different photosensitivity fused and drawn, (2) irradiating specific portions of the pair of optical fibers by intense ultraviolet light at the same time for making refractive index of the pair of optical fibers markedly different, (3) supervising coupling light energy loss spectrum and gradually adjusting the intense ultraviolet light for decreasing maximum coupling ratio and achieving an optical fiber coupler of optimum flat spectrum, thereby improving fabricating process and reducing deficient products.