196 results about "Quantum dot display" patented technology

The invention relates to the technical field of display, which discloses a quantum dot color filter, a liquid crystal panel and a display device. The quantum dot color filter is used for the liquid crystal panel. The liquid crystal panel is provided with a plurality of pixels, wherein each pixel is provided with a plurality of sub-pixels. Each sub-pixel corresponds to a color. The color filter comprises sub-areas in one-to-one correspondence to the sub-pixels. At least one sub-area is formed by quantum dot materials. Light generated by the quantum dot materials activated is as same as the corresponding sub-pixel in color. According to the invention, the color filter of a display is formed by the quantum dot materials, and a red, or green, or blue filter is made of quantum dot materials which generate red, or green, or blue light through photoexcitation, so that the utilization ratio of a backlight source is improved, and meanwhile, colored light with higher purity can be obtained. Therefore, the quantum dot display can realize high color gamut and low power consumption of color display.

The invention relates to a Micro-LED (Micro-light emitting diode) array backlight source-based ink-jet printing quantum dot display device, which comprises a Micro-LED substrate, wherein a plurality of RGB (red, green and blue) pixel units arranged in an array are arranged on the Micro-LED substrate; each RGB pixel unit comprises a red quantum dot unit, a green quantum dot unit and a transparent unit; each red quantum dot unit comprises a Micro-LED chip and a red quantum dot material, and the red quantum dot material is excited by blue light emitted by the Micro-LED chip to emit red light; each green quantum dot unit comprises a Micro-LED chip and a green quantum dot material, and the green quantum dot material is excited by blue light emitted by the Micro-LED chip to emit green light; each transparent unit comprises a Micro-LED chip and a transparent material, and the transparent material is used for directly transmitting blue light emitted by the Micro-LED chip; a transparent material for packaging is arranged outside the RGB pixel units. According to the device, an ink-jet printing technology is adopted for film forming of quantum dots, so that the problems of complexity and low yield of an RGB tri-color process for manufacturing a Micro-LED full-color product are solved, and batch operation is realized.

The invention provides a manufacturing method of a quantum dot light-emitting component and a quantum dot displaying device. The quantum dot light-emitting component comprises a quantum dot luminous layer, a hole transferring layer and an electron transferring layer. The manufacturing method includes mixing quantum dot light-emitting materials with hole transferring materials, or mixing quantum dot light-emitting materials with electron transferring materials to dissolve in organic solvent to prepare mixed solvent; coating the mixed solvent on a preparing substrate of the quantum dot light-emitting component; removing the organic solvent on the preparing substrate coated with the mixed solvent, separating the preparing materials of the quantum dot light-emitting materials and the hole transferring materials or the preparing materials of the quantum dot light-emitting materials and the electron transferring materials on the preparing substrate into layers to form a quantum dot light-emitting layer and a hole transferring layer or a quantum dot light-emitting layer and an electron transferring layer. With the manufacturing method of the quantum dot light-emitting component and the quantum dot displaying device, the quantum dot light-emitting layer and the hole transferring layer (or the electron transferring layer) can be manufactured in one step without being manufactured in many steps, so that manufacturing process is simplified.

A system and method are disclosed that determines the location of an object touching a display screen. The system and method modifies already existing display technology, including using the underlying structure of many types of existing displays as the touch detecting structure. The systems and methods are applicable to virtually all LCD and LCD-like displays, including emissive displays (OLED, PLED, quantum dot displays, etc.), electronic paper, and others.

The invention provides a manufacturing method for a quantum dot display panel. By means of the existing yellow light manufacturing procedure of a color light filter or in combination with the dry method etching manufacturing procedure, a resin composition containing red and green quantum dots for surface finish is manufactured to obtain a quantum dot layer with an exquisite graph structure. Compared with other existing manufacturing method for the quantum dot display panel, the manufacturing method has the advantages that the raw material preparing and manufacturing process is simple, the graph resolution is high, the display panel can be manufactured on a large scale, cost and manufacturing procedure time are saved, the quantum dots are guided into the color light filter structure, color saturation and color gamut of a display device can be effectively promoted, and the color expressive ability of the display panel is enhanced.

The invention provides a manufacturing method for a quantum dot polarizer. The manufacturing method for the quantum dot polarizer comprises the steps that a quantum dot layer and a polarizing layer are formed on different substrates to obtain a quantum dot diaphragm and a polarizing diaphragm respectively, and then the quantum dot diaphragm and the polarizing diaphragm are attached to each other to obtain the quantum dot polarizer. Due to the fact that the quantum dot polarizer is not obtained through sequential diaphragm forming on the same substrate, the quantum dot layer in the quantum dot polarizer can be prepared through both a high-temperature procedure and a low-temperature procedure, and the selection and preparation ranges of the quantum dot materials are widened. According to the quantum dot polarizer obtained through the method, the phenomenon of light polarization eliminating cannot occur while the color gamut coverage ratio of a display panel is increased.

A system and method are disclosed that determines the location of an object touching a display screen. The system and method modifies already existing display technology, including using the underlying structure of many types of existing displays as the touch detecting structure. The systems and methods are applicable to virtually all LCD and LCD-like displays, including emissive displays (OLED, PLED, quantum dot displays, etc.), electronic paper, and others.

The invention provides a color film substrate. The color film substrate comprises a substrate body, a black matrix, a color film layer, a first planarization layer, a second planarization layer, a grating layer and a third planarization layer, wherein the black matrix is formed on the substrate body and comprises a plurality of openings and a bank part which surrounds the openings and forms a plurality of pixel areas, and the bank part comprises a black dye; the color film layer is formed in each opening and comprises a color quantum dot material layer formed in at least part of the opening regions; the first planarization layer covers the color film layer, and the bank part is exposed out of the first planarization layer; the second planarization layer covers the first planarization layerand the bank part, and the distance between the surface, relative to the surface of the first planarization layer and corresponding to the bank part, of the second planarization layer and the substrate body is smaller than the distance between the surface, corresponding to the pixel areas, of the second planarization layer and the substrate body; the grating layer is formed on the second planarization layer; the third planarization layer covers the grating layer. According to the substrate, the planarization layers with the high pixel areas and low black bank areas are formed so that nano-grating of the pixel areas can be well formed.

A method for manufacturing quantum dots display panel comprises the following steps of: using an existing yellow light manufacturing process from color filter or combining with a dry etching manufacturing process to resin composition with surface-modified red quantum dots and surface-modified green quantum dots, then completing production of a quantum dots layer with a more refined graphical structure. Compared with other existing method for manufacturing quantum dots display panel, the present disclosure has the following advantages that simple preparation of raw materials and in making process, high-resolution graphics, large-scale volume production, and less processing time and cost are saved. The quantum dots are used into the structure of the color filter is to effectively improve color saturation and gamut of the display device, and to enhance color performance of display panel.

The invention discloses a quantum dot color film substrate and a preparation method thereof, a display panel and a display device. The quantum dot color film substrate comprises a base, a retaining wall layer and a reflecting metal layer. The retaining wall layer is positioned on one side of the substrate, and comprises a plurality of retaining wall structures and a plurality of retaining wall openings. The reflecting metal layer covers the side surface of the retaining wall structure, and is used for reflecting light emitted by a light-emitting unit to improve the utilization rate of emergentlight. Meanwhile, the reflecting metal layer is also used for receiving a touch signal for touch detection. According to the quantum dot color film substrate, the touch function is integrated in thequantum dot color film substrate, the touch function is achieved without an externally-hung touch panel, the number of film layers of the quantum dot display panel can be reduced, and therefore the overall thickness of the quantum dot display panel is reduced, and the requirement of users for a light and thin quantum dot display panel is met.