Abstract: A backlight module including a light guide plate is disclosed. The light guide plate has a light emitting plane, a bottom plane opposite to the light emitting plane and a light incident plane connecting the light emitting plane and the bottom plane, a plurality of arc protrusions disposed on the first light incident plane; and a transparent layer disposed upon each of the arc-protrusions. In the backlight module, an LED bar is disposed near to the light incident plane of the light guide plate, and the LED bar has a plurality of LED light sources corresponding to the arc-protrusions of the light guide plate, respectively.

Abstract: A method for managing an image memory in an embedded device is provided. A node is obtained from a linked list of the image memory. It is judged whether valid data is present in a memory block corresponding to the node. When no valid data is present, it is judged whether valid data is present in a memory block corresponding to a previous node of the node. When valid data is present in the previous node, it is further judged whether the valid data is movable. When the valid data is movable, memory block information described in the two nodes is exchanged, and the valid data previously stored in the memory block corresponding to the previous node is moved to the memory block corresponding to the node.

Abstract: A light guide plate including a light guide plate main body is disclosed. The light guide plate main body has a light emitting plane, a bottom plane opposite to the light emitting plane. According to a scanning mode, the light guide plate main body is divided into a plurality of subsections. Each of the opposite edges of each subsection has a borderline, and two adjacent subsections share a borderline. Furthermore, a plurality of first scattering dots disposed on the subsections of the light guide plate main body, and a plurality of second scattering dots disposed on the borderlines of the light guide plate main body.

Abstract: A method for loading a resource file for a game engine is provided. The method includes: activating a thread to a preload a predetermined resource file, wherein the predetermined resource file includes a texture resource file, and one or both of a structure resource file and a model resource file; and accessing and loading one or both of the structure resource file and the model resource file through memory mapping. The provided method increases a loading speed while loading a game resource file and fully utilizes computer resources.

Abstract: The present invention relates to an LED backlight module, which includes an LGP, an LED light bar, a backplane, and a heat sink. The LED light bar is mounted on the heat sink at a location close to a light incidence side of the LGP. The heat sink forms upward-extending LGP positioning columns that are fixed with respect thereto. The LGP positioning columns extend upward and through the LGP so as to fix the LGP with respect to the heat sink. The heat sink is arranged on the backplane in a manner of being movable in a light incidence direction. The heat sink is movable with expansion or contraction of the LGP so as to maintain light coupling distance between the LGP and the LED light bar. The LED backlight module prevents the LGP from waving resulting from heat or mechanical interference.

Abstract: A liquid crystal device is provided including: a backlight module comprising a light source; a first substrate comprising a plurality of TFTs, and the first substrate is arranged above the backlight module; a second substrate arranged above the first substrate; a liquid crystal layer arranged between the first substrate and the second substrate; a color filter comprising a plurality of pixels arranged in a matrix form, the color filter is arranged between the second substrate and the liquid crystal layer, and a gap is arranged between the adjacent pixels; a phosphor power layer arranged between the liquid crystal layer and the first substrate or arranged between the color filter and the liquid crystal layer; and wherein portions of the phosphor power layer corresponding to the gaps on the color filter are removed, and lights emitted from the light source passes through the phosphor powder layer and arrive at the color filter.

Abstract: The present invention relates to a backlight module and a liquid crystal display (LCD) device, and the backlight module comprises: a back plate disposed at the bottom of the backlight module; light emitting diode (LED) light sources disposed on the back plate; and a diffusion plate disposed on a light output surface of the backlight module. There are different distances between the LED light sources disposed in different areas of the back plate and the diffusion plate. By adopting different height of LED light sources in different areas of the back plate, the display quality of the backlight module and the LCD device according to the present invention can be increased.

Abstract: The present invention provides a direct light backlight module with solar light assistance, which comprises a backboard. The backboard is provided with a waveguide. A light source is disposed under the waveguide. An optical film module is disposed above the waveguide and faces the light emitted from the direct light source. An assisting light source device is provided and which collects solar light and direct it to an optical film module. The present invention further provides a liquid crystal display device with the direct light backlight module with assisting solar light. With the provision of the assisting light source, the solar light can be used as an assisting light source making the backlight module and the liquid crystal display device made therefrom become more environmental friendly.

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: The present disclosure relates to a backlight module and a liquid crystal display device including the backlight module. The backlight module includes a light guide plate and a planar reflecting sheet arranged below the light guide plate, wherein a plurality of lattice points are provided on the upper surface of the light guide plate so that the upper surface forms a light-emitting surface, and a plurality of cylindrical projections in contact with the planar reflecting sheet are formed on the lower surface of the light guide plate. With this backlight module, the probability of the lattice points being scratched can be significantly reduced, and the quality of the final product can be improved.

Abstract: A backlight module including a light guide plate is disclosed. The light guide plate has a light emitting plane, a bottom plane opposite to the light emitting plane and a light incident plane connecting the light emitting plane and the bottom plane, a plurality of arc protrusions disposed on the first light incident plane; and a transparent layer disposed upon each of the arc-protrusions. In the backlight module, an LED bar is disposed near to the light incident plane of the light guide plate, and the LED bar has a plurality of LED light sources corresponding to the arc-protrusions of the light guide plate, respectively.

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

Abstract: A screening method of a phosphor-based optical film used in a backlight module and a backlight module are proposed. The screening method includes steps of: a) dividing an internal surface of the backlight module without a phosphor-based optical film into multiple measurement zones, and gaining a transmittance spectrum of each of the measurement zones; b) gaining a chromatic value of each of the measurement zones matching the phosphor-based optical film; c) checking the chromatic values gained in b) to be within a range of standard chroma; the process of screening being finished if all of the chromatic values are in the range; matching at least one measurement zone with a new phosphor-based optical film if the chromatic value of the at least one of the measurement zones is not within the range, and returning to b). The present backlight module has higher saturation and penetration and better color uniformity.

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

Abstract: 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: The present invention discloses a LED backlight module, which comprises a backplane; a side-type backlight source, which comprises a backlight source substrate and multiple light emitting diodes provided on the backlight light source substrate; a reflector, which is provided on the backplane; multiple light guides provided on the reflector in parallel, each light guide being provided with at least one light-incident surface and one light-emitting surface, the light-incident surface of the light guide being opposite to the LED; diffusers provided on the multiple light guides, which are opposite to the light-emitting surface of the light guide; and an optical film set, which is located above the diffuser. The embodiment of the present invention further discloses the corresponding liquid crystal display. According to the embodiment of the present invention, it can save the amount of LEDs, which is beneficial for the narrow frame of the liquid crystal display panel.

Abstract: A screening method of a phosphor-based optical film used in a backlight module and a backlight module are proposed. The screening method includes steps of: a) dividing an internal surface of the backlight module without a phosphor-based optical film into multiple measurement zones, and gaining a transmittance spectrum of each of the measurement zones; b) gaining a chromatic value of each of the measurement zones matching the phosphor-based optical film; c) checking the chromatic values gained in b) to be within a range of standard chroma; the process of screening being finished if all of the chromatic values are in the range; matching at least one measurement zone with a new phosphor-based optical film if the chromatic value of the at least one of the measurement zones is not within the range, and returning to b). The present backlight module has higher saturation and penetration and better color uniformity.

Abstract: The present invention discloses light-guiding plate, backlight module and liquid crystal display device. The light-guiding plate includes first incident surface, light-emitting surface, bottom surface and side surface; wherein light-emitting surface being connected to first incident surface, bottom surface being connected to first incident surface, light-emitting surface being connected to side surface, bottom surface being connected to side surface, the angle between first incident surface and side surface connected to first incident surface being obtuse, and light-emitting surface including a plurality of trenches radiating from first incident surface. The radiating trenches disposed on light-emitting surface have certain converging effect on light propagating in light-guiding plate. The propagating light will propagate along the trenches.

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

Abstract: A system and method for correcting image data. Embodiments of the present invention provide calibration and image correction to overcome various lens effects including lens shading and lens imperfections. In one embodiment, the correction of image data is performed via utilization of a spline surface (e.g., Bezier surface). The use of spline surfaces facilitates efficient hardware implementation. The image correction may be performed on a per channel and illumination type basis. In another embodiment, the present invention provides a method for determine a spline surface to be used for calibrating an image signal processor to be used in correcting image data.