Abstract: A quantum dot light guide module includes a transparent substrate and a transparent cover plate. The transparent substrate has a first groove, an inner wall of the first groove is a rough surface, and the first groove is provided with a quantum dot layer formed by curing a quantum dot paste. The transparent cover plate covers on a surface of the transparent substrate where the first groove is configured, a sealing adhesive layer is provided between the transparent cover plate and the transparent substrate, and the transparent cover plate is connected with the transparent substrate through the sealing adhesive layer and covered the first groove. In such a way, water vapor and oxygen are effectively isolated and the failure problem of the quantum dot layer is avoided, and the quantum dot layer is distributed uniformly in the first groove.

Abstract: An LED light board includes a light board body, a fixing part and an adhesive layer. A surface of the light board body is provided with a plurality of LED light-emitting chips at intervals, and a region of the surface of the light board body without the LED light-emitting chips configured is provided with a first reflecting layer. A bottom side of the fixing part is provided with a plurality of grooves, and a region of the bottom side without the grooves configured is provided with a second reflecting layer. The adhesive layer is fixedly connected with the light board body by the adhesive layer, the fixing part is located above the light board body, and each of the LED light-emitting chips are matched with each of the grooves. The present application improves the reflectivity of the LED light board, and avoids the defects of time-consuming dispensing process.

Abstract: A quantum dot light guide module includes a transparent substrate and a transparent cover plate. The transparent substrate has a first groove, an inner wall of the first groove is a rough surface, and the first groove is provided with a quantum dot layer formed by curing a quantum dot paste. The transparent cover plate covers on a surface of the transparent substrate where the first groove is configured, a sealing adhesive layer is provided between the transparent cover plate and the transparent substrate, and the transparent cover plate is connected with the transparent substrate through the sealing adhesive layer and covered the first groove. In such a way, water vapor and oxygen are effectively isolated and the failure problem of the quantum dot layer is avoided, and the quantum dot layer is distributed uniformly in the first groove.

Abstract: An LED package device includes a substrate, an LED chip arranged on the substrate and a transparent groove. A quantum dot layer is provided inside the transparent groove, a barrier film layer is provided on the quantum dot layer, side walls of the barrier film layer are connected and sealed with side walls of the transparent groove, and a phosphor layer is provided on the barrier film layer. The transparent groove is inverted on the sealing adhesive layer and connected with the sealing adhesive layer, and an opening of the transparent groove is sealed by the sealing adhesive layer to cover the quantum dot layer, the barrier film layer and the phosphor layer. The device can isolate water vapor and oxygen, thereby effectively avoiding the failure problem of the quantum dot layer and reducing the failure risk caused by strong blue light to the quantum dot material.

Abstract: Provided is an angle adjustable microscope holder. The angle adjustable microscope holder comprises a base. The base is provided with a rotating piece, the rotating piece is detachably connected with a lifting rod, the lifting rod rotates along with the rotating piece, the lifting rod is provided with a spur rack, the lifting rod is connected with a moving piece in a sleeved manner, the moving piece is provided with a fixing ring, and the fixing ring is configured to fix a microscope. A part of the moving piece is meshed with the spur rack to drive the moving piece to slide relative to the lifting rod. A cross section of the lifting rod is a special-shaped cross section, and the moving piece fits a contact surface of the lifting rod in shape.

Abstract: This application relates to a liquid crystal module, an electronic device, and a screen interaction system. The liquid crystal module may include a liquid crystal panel, a backlight unit, and a photoelectric sensor array. The photoelectric sensor array, the backlight unit, and the liquid crystal panel are sequentially disposed in a stacked manner. The backlight unit includes a reflection component, and at least a partial region of the reflection component is an infrared transmission region in which infrared light can be transmitted. The photoelectric sensor array includes a plurality of photoelectric sensors, and the plurality of photoelectric sensors can receive the infrared light transmitted through the infrared transmission region. In this application, the photoelectric sensor array is disposed in the liquid crystal module to receive an infrared light signal, to provide a low-cost interaction solution for a device having the liquid crystal module.

Abstract: The present invention provides a light emitting diode (LED) bracket, an LED device, and an edge-lit backlight module. The LED bracket includes an insulating stand, and a conductive anode lead and a conductive cathode lead which are embedded in the insulating stand. The conductive anode lead and the conductive cathode lead comprise an anode pad and a cathode pad exposed from an upper surface of the insulating stand. The anode pad and the cathode pad are arranged symmetrical to each other on the insulating stand. The present invention utilizes symmetrically arranged metal pads to effectively solve a color difference problem of the LED device, improve luminous efficiency and stability of the LED device, and realize large-sized chip packaging, high-efficiency flip-chip packaging, and high-voltage LED packaging.

Abstract: The present invention provides a backlight module and display device thereof, including light-guiding plate, frame and a plurality of light sources disposed near incident surface of the light-guiding plate. The backlight module further includes an opaque layer, with one part attached to the frame and the other part disposed on light-emitting surface of light-guiding plate. The opaque layer shields and absorbs partial light emitted directly from the plurality of light sources and light from light-emitting surface covered by opaque layer. With such structure, the rim of the frame can be smaller, even when A/P ratio is less than 0.5, the hotspot phenomenon can be avoided. As such, the present invention improves the optical characteristics of the backlight module and the display quality of the display device, as well as simplifies the assembly and reduces assembly cost.

Abstract: Disclosed are a backlight source and a manufacturing method thereof, wherein the method of manufacturing the backlight source comprises the following steps: forming a base layer, a dielectric layer, and a conductive layer stacked successively from bottom to top to form a semi-finished PCB; the semi-finished PCB is divided into a light bar area and a heat dissipating area; the conductive layer is divided into a first conductive area and a second conductive area insulated from each other; etching the second conductive area to form a preset conductive circuit; spraying insulating paint upon the conductive layer to form the insulating layer, thus producing the PCB; and installing the LED onto the light bar area and making it in electrical connection with the second conductive area.

Abstract: The invention discloses a backlight module and liquid crystal display device. The backlight module of liquid crystal display device includes: a back plate and a diffuser disposed opposite to back plate; backlight module further comprising a plurality of light-emitting units, disposed between back plate and diffuser; each of light-emitting units comprising a light-guiding strip, fixed to back plate and light source, fixed and disposed on back plate opposite to one end of light-guiding strip; wherein light-guiding strip comprising a light-emitting surface and a bottom surface, disposed oppositely to each other; light-emitting surface having an arc cross-section and a top being convex facing bottom surface; light-emitting surface being for uniformly diffusing incident light from light source. Through disposing light-guiding strips for diffusing incident light from light source, the invention can achieve higher luminance with less number of light sources and reduce cost.

Abstract: Disclosed are a backlight source and a manufacturing method thereof, wherein the method of manufacturing the backlight source comprises the following steps: forming a base layer, a dielectric layer, and a conductive layer stacked successively from bottom to top to form a semi-finished PCB; the semi-finished PCB is divided into a light bar area and a heat dissipating area; the conductive layer is divided into a first conductive area and a second conductive area insulated from each other; etching the second conductive area to form a preset conductive circuit; spraying insulating paint upon the conductive layer to form the insulating layer, thus producing the PCB; and installing the LED onto the light bar area and making it in electrical connection with the second conductive area.

Abstract: The present invention provides a backlight module and display device thereof, including light-guiding plate, frame and a plurality of light sources disposed near incident surface of the light-guiding plate. The backlight module further includes an opaque layer, with one part attached to the frame and the other part disposed on light-emitting surface of light-guiding plate. The opaque layer shields and absorbs partial light emitted directly from the plurality of light sources and light from light-emitting surface covered by opaque layer. With such structure, the rim of the frame can be smaller, even when NP ratio is less than 0.5, the hotspot phenomenon can be avoided. As such, the present invention improves the optical characteristics of the backlight module and the display quality of the display device, as well as simplifies the assembly and reduces assembly cost.

Abstract: The present invention provides a light guide plate and a manufacturing method thereof. The light guide plate includes a light guide plate body and ink dots printed on a surface of the light guide plate body. The ink dots contain an antistatic agent. The manufacturing method of the light guide plate includes (1) providing a light guide plate body; (2) providing an ink and an antistatic agent ad mixing the antistatic agent in the ink; and (3) printing the ink that contains the antistatic agent on a surface of the light guide plate body to form the ink dots. The antistatic agent contained in the ink dots helps suppressing static electricity generated on the light guide plate so as to eliminate mura caused by electrostatic attraction.

Abstract: The invention discloses a backlight module and liquid crystal display device. The backlight module of liquid crystal display device includes: a back plate and a diffuser disposed opposite to back plate; backlight module further comprising a plurality of light-emitting units, disposed between back plate and diffuser; each of light-emitting units comprising a light-guiding strip, fixed to back plate and light source, fixed and disposed on back plate opposite to one end of light-guiding strip; wherein light-guiding strip comprising a light-emitting surface and a bottom surface, disposed oppositely to each other; light-emitting surface having an arc cross-section and a top being convex facing bottom surface; light-emitting surface being for uniformly diffusing incident light from light source. Through disposing light-guiding strips for diffusing incident light from light source, the invention can achieve higher luminance with less number of light sources and reduce cost.

Abstract: The present invention provides a light guide plate and a backlight module using the light guide plate. The light guide plate includes a bottom surface, a top surface arranged opposite to the bottom surface, and a plurality of lateral surfaces arranged between the bottom surface and the top surface. One of the lateral surfaces forms a light incidence surface. The bottom surface forms a plurality of grid dots having a cross-section that is right angular. The grid dots are formed by recessing the bottom surface of the light guide plate toward the top surface. The grid dots each have an inclined face opposing the light incidence surface. The inclined face is arranged to get away from the light incidence surface by extending upward from the bottom surface. Light entering the light guide plate is reflected by the grid dots to emerge through an emerging surface of the light guide plate.

Abstract: A printed circuit board structure of a backlight unit is provided, which comprises a circuit board, having a first and a second lateral side corresponding to the first lateral side, wherein the first lateral side has a first notch and the second lateral side has a second notch. In addition, a backlight unit is provided, which comprises a back plate, a circuit board, and a plurality of LEDs. The circuit board is disposed on the back plate, wherein the circuit board has a first and a second lateral side corresponding to the first lateral side, the first lateral side has a first notch, and the second lateral side has a second notch disposed on a surface of the circuit board. A plurality of LEDs is disposed on the circuit board. Furthermore, a backlight unit of a liquid crystal display device is provided, which comprises a printed circuit board structure.

Abstract: The present invention provides a light guide plate and a manufacturing method thereof. The light guide plate includes a light guide plate body and ink dots printed on a surface of the light guide plate body. The ink dots contain an antistatic agent. The manufacturing method of the light guide plate includes (1) providing a light guide plate body; (2) providing an ink and an antistatic agent ad mixing the antistatic agent in the ink; and (3) printing the ink that contains the antistatic agent on a surface of the light guide plate body to form the ink dots. The antistatic agent contained in the ink dots helps suppressing static electricity generated on the light guide plate so as to eliminate mura caused by electrostatic attraction.

Abstract: The present invention provides an LED backlight source, which includes a printed circuit board, a plurality of LED lights mounted to and electrically connected to the printed circuit board, an LED lens mounted to the printed circuit board, and fluorescent powder. The LED lens is set above and covers the plurality of LED lights. Each of the LED lights includes a carrier frame, a light-emitting chip mounted in the carrier frame, and an encapsulation resin that encapsulates the light-emitting chip in the carrier frame. The fluorescent powder is mounted to the LED lens. The present invention provides an LED backlight source, which arranges fluorescent powder and encapsulation resin in a separate manner so as to realize adjustability of chromaticity of the LED lights chromaticity and improve yield rate of manufacture.