Abstract: A white LED, which includes a substrate, at least one monochromatic LED chip disposed on the substrate, a reflector cup disposed on the substrate and surrounding the monochromatic LED chip, an encapsulating colloid filled in the reflector cup to seal the monochromatic LED chip, and a first quantum dot structure and a second quantum dot structure sealed in the encapsulating colloid, and light generated by the monochromatic LED chip, light generated by exciting the first quantum dot structure and light generated by exciting the second quantum dot structure are mixed to form a white light. A backlight module having the white LED and a liquid crystal display device having the backlight module is also disclosed.

Abstract: The present invention discloses a L-Bending PCB, which comprises a straight portion and a bending portion connecting to the straight portion, the straight portion comprises a metal substrate bottom, an insulation layer, a conductive layer and a protective layer, wherein, the insulation layer is disposed on a partial surface of the metal substrate bottom, the conductive layer is disposed on the insulation layer and the protective layer is disposed on the conductive layer. When improving the heat dissipation o f the L-Bending PCB by in the present invention, retainingly connecting the heat-dispersing element and the metal substrate bottom together, the reliability of the L-Bending PCB is increasing at the same time.

Abstract: A backlight module is disclosed, which comprises a light guide plate having at least one incident light side; a light bar, adjacent to the incident light side; a plurality of quantum dot films, the quantum dot films are arranged between the light bar and the incident light side; wherein the light from the light bar goes through the quantum dot film and irradiates on the incident light side. A LCD device with the backlight module is further disclosed. A plurality of shorter quantum dot films are arranged between the light source and the incident light side of the light guide to replace one longer quantum dot film of the conventional art. And the manufacturing process of the short quantum dot film is simple with low cost, and the film does not have the rupturing issue to improve the safety and reliability of the quantum dot film.

Abstract: The present invention provides a positioning device for an optical membrane that includes at least one positioning hole formed on the optical membrane and at least one positioning pole interposed into the positioning hole respectively, the optical membrane is fixed onto a carrying substrate by traversing said positioning holes by said positioning poles, wherein the profile of each positioning hole extending in corresponding position in the expansion and shrink direction of the optical membrane. A certain width could be reserved in the positioning hole to allow the optical membrane expand and shrink freely at each fixing point and the positioning pole cannot interfere with the positioning hole at the moment of the optical membrane expands and shrinks to cause bending, thus to guarantee flatness of the optical membranes and improve the quality of the backlight module.

Abstract: The present invention discloses a light guide plate fixed to a back plate. The back plate has a plurality of fixing portions. The light guide plate includes a light incident surface, a reflective surface connected with the light incident surface, and a light output surface opposite to the reflective surface and connected with the light incident surface. The light output surface includes a main body and a plurality of locating portions mounted on the main body. The locating portions correspond to the fixing portions. The locating portions mate with the corresponding fixing portions thereby fixing the light guide plate to the back plate. A blank area is formed on the main body at each location where each of the locating portions mating with the corresponding fixing portion. A plurality of microstructures are formed on the rest area excluding the blank areas in the main body.

Abstract: The invention discloses an edge type backlight module. The edge type backlight module includes: a back frame having at least one sidewall and at least one bottom plate; a light guide plate disposed on the bottom plate and having a light incident side surface, wherein the light incident side surface is opposite to the sidewall; and a plurality of first backlight sources and a plurality of second backlight sources, wherein the first backlight sources are disposed on the sidewall, the second backlight sources are disposed on the bottom plate and against the sidewall, the first backlight sources and the second backlight sources are alternately disposed, the first backlight sources include a plurality of first LED lamps, and the second backlight sources include a plurality of second LED lamps. The invention also discloses a liquid crystal display device having the edge type backlight module.

Abstract: A stack of light guide plates is proposed. Each light guide plate includes a light guide plate body and an incident side, thickness of the incident side is more than thickness of the light guide plate body, two light guide plates are reversely arranged and laminated when the two light guide plates are processed, and then a plurality of a pair of laminated light guide plates are stacked. The present embodiment provides a method for processing light guide plates. Even though the thickness of the incident side or the wedged shape of the incident side changes, the method can be adopted. The stack of light guide plates remain neat and flat using the method. Because a batch of light guide plates are cut and polished using the method, the efficiency in processing light guide plates improves. In this way, utilization of the equipment improves as well.

Abstract: The present invention provide a light guide plate and it includes an incident light surface for receiving a light beam projected therein, and a light exiting surface for directing the light beam out of the light guide plate, and a bottom surface opposite to the incident slight surface, wherein the incident light surface is perpendicular to the light exiting surface, and the light exiting surface is provided with a plurality of grooves, wherein the light guide plate further comprises a pair of side surfaces arranged on both sides of the light exiting surface, and the side surfaces are perpendicular to the incident light surface, wherein a longitudinal direction of the side surfaces is same as a direction of the grooves, and a distance between the side surfaces and the bottom surface is smaller than a distance between the light exiting surface and the bottom surface. The present invention further provides a backlight module and a liquid crystal display device incorporated with such a light guide plate.

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.

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: Techniques for per-channel image intensity correction includes linear interpolation of each channel of spectral data to generate corrected spectral data.

Abstract: The present invention proposes an LCD device having a backlight module. The backlight module includes a light guide plate, a first light source unit set up in a corner of a first light-in side of the light guide plate, and a second light source unit set up in a corner of a second light-in side of the light guide plate. The first light-in side is set up in opposition to the second light-in side, and the corner of the second light-in side is in diagonal to the corner of the first light-in side. The present invention provides a backlight module and an LCD device in which light enters the light guide plate in a corner. The entering light mix uniformly in the LGP without dark area, and the number of LED along with expense and energy consumption are reduced compared to that of a single short light-in side backlight module.

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 positioning device includes a backboard and a spring member arranged adjacent to the incident surface of the light guide plate, and includes a connector attached to the backboard, and a positioning hand having a fixing end and a free end. The fixing end is secured to the connector, and the free end abuts against to the sidewall of the light guide plate so as to correctly position the light guide plate with respect to the light source. The spring member absorbs expansion and contraction of the light guide plate.

Abstract: A backlight module comprises a back plate; a side-type light source; a light guide plate disposed on the back plate; and a quantum bar assembled between the light guide and the light source via a fixing bracket. The fixing bracket is a hollow cylinder, and comprises an accommodating space exits in the fixing bracket for installing the quantum bar and the first window faced toward the light guide plate and the second window faced toward the side-type light source and the length of the second window is equal to one of the light strip. A support beam is disposed on the light strip and between the two light sources, and the length of the support beam is less than or same as width of the second window, and height of the support beam is not less than height of the light source, and the light strip is assembled in the second window.

Abstract: A light bar component is disclosed. The light bar component comprises two or more than two light bars. Each of the light bars comprises a light source print circuit board and a plurality of light sources assembled on the light source print circuit board; a flexible print circuit board comprising a main body portion of the flexible print circuit board and a lead-out portion of a gold finger, wherein the main body portion of the flexible print circuit board connects with the light source print circuit board of all of the light bars. The lead-out portion of the golden finger connects with the power source which provides the driving voltage for the flexible print circuit board. The light bar component and the backlight module using the light bar component can reduce the use amount of the wire harness. Moreover, the flexible print circuit board directly combines with the light source print circuit board by the hot pressing technology. The electric connector is not used anymore.

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 stack of light guide plates is proposed. Each light guide plate includes a light guide plate body and an incident side, thickness of the incident side is more than thickness of the light guide plate body, two light guide plates are reversely arranged and laminated when the two light guide plates are processed, and then a plurality of a pair of laminated light guide plates are stacked. The present embodiment provides a method for processing light guide plates. Even though the thickness of the incident side or the wedged shape of the incident side changes, the method can be adopted. The stack of light guide plates remain neat and flat using the method. Because a batch of light guide plates are cut and polished using the method, the efficiency in processing light guide plates improves. In this way, utilization of the equipment improves as well.

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: The present disclosure relates to the technical field of liquid crystal display. Specifically, it relates to an apparatus for manufacturing light guide plate. The apparatus comprises: a feeding unit having a slit-shaped discharge port, an extrusion unit comprising a conveying roller for conveying the raw material and an extrusion roller for extruding the raw material, and a cutting unit for cutting the light guide plate guided out of the extrusion unit, wherein an elongated recess depressing toward the interior of the extrusion roller is disposed on a roller body of the extrusion roller, in order to manufacture a light guide plate having a varying thickness. The apparatus has the advantages of high production efficiency.