Patents by Inventor Miao DUAN
Miao DUAN has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20240164137Abstract: Provided are methods for preparing optical ink, methods for preparing a monodisperse solution of zirconium dioxide, and display devices. A corresponding zirconium dioxide hydrosol is prepared by an aqueous solution method, and reactants are added to the zirconium dioxide hydrosol for multi-step reactions to obtain a transparent modified nano zirconium dioxide disperse solution. Then monomer, photoinitiator, solvent, and other functional additive are added to the nano zirconium dioxide disperse solution to obtain optical ink of the desired specification.Type: ApplicationFiled: December 14, 2022Publication date: May 16, 2024Inventors: Miao DUAN, Miao ZHOU, Lixuan CHEN
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Publication number: 20240141188Abstract: Embodiments of the present disclosure disclose a preparation method of high refractive index ink and a display panel. The method for preparing high refractive index ink, comprising: providing a nano-metal oxide dispersion; performing ozone treatment on the nano-metal oxide dispersion to obtain the ozone treated nano-metal oxide dispersion; mixing the ozone-treated nano-metal oxide dispersion with a plurality of preset solutions according to a predetermined weight ratio to form a mixed solution; performing ball milling treatment on the mixed solution to obtain the ball-milled mixed solution; and heating the ball-milled mixed solution to obtain the high refractive index ink. According to the present disclosure, the nano-metal oxide dispersion is subjected to ozone and ball milling treatment, thereby improving the dispersibility of the nano-metal oxide particles in the high refractive index ink.Type: ApplicationFiled: December 25, 2022Publication date: May 2, 2024Inventors: Miao DUAN, Miao ZHOU, Lixuan CHEN
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Patent number: 11830881Abstract: An array substrate, a manufacturing method thereof, and a display panel are provided. The array substrate includes at least one anti-radiation layer including a light incident side and a light-emitting side. The light-emitting side is positioned adjacent to an oxide semiconductor layer, the light incident side is configured to allow high energy light waves to enter the anti-radiation layer, the anti-radiation layer is configured to convert the high energy light waves into visible light, and the light-emitting side is configured to allow the visible light to enter the oxide semiconductor layer, thereby improving light stability of oxide semiconductors.Type: GrantFiled: October 27, 2020Date of Patent: November 28, 2023Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventors: Miao Duan, Dongze Li
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Display panel with single crystal perovskite color conversion layer and manufacturing method thereof
Patent number: 11621304Abstract: The present disclosure provides a display panel and a manufacturing method thereof. The display panel includes a first substrate, a second substrate, a blue light emitting layer, and a single crystal perovskite color conversion layer. The single crystal perovskite color conversion layer includes red light single crystal perovskite units disposed on red subpixel areas and green light single crystal perovskite units disposed on green subpixel areas. The red light single crystal perovskite units receive blue light to emit red light, and the green light single crystal perovskite units receive blue light to emit green light.Type: GrantFiled: January 16, 2020Date of Patent: April 4, 2023Assignee: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventor: Miao Duan -
Patent number: 11511481Abstract: A manufacturing method and a manufacturing system of perovskite color conversion film are provided. The manufacturing method includes: manufacturing perovskite plastic wires; providing a substrate with areas to be printed; and heating and printing the plastic wires on the areas to be printed of the substrate by used of fused deposition modeling 3D printing technology, to formed a perovskite color conversion film.Type: GrantFiled: December 3, 2019Date of Patent: November 29, 2022Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventor: Miao Duan
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Publication number: 20220328565Abstract: The present disclosure provides a display panel and a manufacturing method thereof. The display panel includes a first substrate, a second substrate, a blue light emitting layer, and a single crystal perovskite color conversion layer. The single crystal perovskite color conversion layer includes red light single crystal perovskite units disposed on red subpixel areas and green light single crystal perovskite units disposed on green subpixel areas. The red light single crystal perovskite units receive blue light to emit red light, and the green light single crystal perovskite units receive blue light to emit green light.Type: ApplicationFiled: January 16, 2020Publication date: October 13, 2022Inventor: Miao DUAN
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Patent number: 11437575Abstract: A manufacturing method of a perovskite film and a composition for preparing the perovskite film. The manufacturing method of the perovskite film comprises a step of manufacturing a first mixed solution, a step of manufacturing a second mixed solution, a low pressure distillation step, a coating step, and a drying step. The technical effect of the present disclosure is to provide the manufacturing method of the perovskite film and the composition for manufacturing the perovskite film, wherein the perovskite film comprises components of a metal halide and an organic halogen salt to adjust absorption wavelengths and emission wavelengths by modulating components and concentration of each component and makes the perovskite film have a higher transmittance in the visible light band. When ultraviolet light illuminates the perovskite film, the perovskite film can produce visible light due to photoluminescence effect of the perovskite material in the perovskite film, thereby achieving display effect.Type: GrantFiled: December 20, 2019Date of Patent: September 6, 2022Inventors: Zhengyu Feng, Miao Duan
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Patent number: 11404679Abstract: A method of preparing a film and a light-emitting device are disclosed. The method includes: providing at least one gas-phase source above a substrate, the at least one gas-phase source made of materials comprising a perovskite material; and controlling an evaporation rate of the at least one gas-phase source to form a perovskite film. In the method provided by the present invention, a perovskite light-emitting layer is prepared by gas-phase source evaporation coating without an organic solvent, which avoids miscibility between the organic solvent and other layers and improves compatibility between the perovskite material and other film materials, thereby realizing the low preparation cost and the simple preparation process.Type: GrantFiled: November 26, 2019Date of Patent: August 2, 2022Inventors: Pei Jiang, Chiayu Lee, Chunche Hsu, Shujhih Chen, Miao Duan, Yongming Yin, Yongwei Wu, Bo He
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Patent number: 11374190Abstract: A present application provides a light-emitting device and a method of manufacturing the same. The light-emitting device includes an anode, a hole transport layer, a light-emitting layer, an electron transport layer, and a cathode all laminated together. The hole transport layer is treated with a high boiling point polar solution to reduce a Coulomb force of the hole transport layer. The light-emitting device of the present application can improve light-emitting efficiency of the light-emitting device.Type: GrantFiled: December 18, 2019Date of Patent: June 28, 2022Inventors: Pei Jiang, Chiayu Lee, Chunche Hsu, Shujhih Chen, Miao Duan, Yongming Yin, Yongwei Wu, Bo He
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Patent number: 11374062Abstract: The present disclosure provides a display panel and a manufacturing method of the display panel, the display panel includes a base substrate, a pixel definition layer, and a color conversion medium; the pixel definition layer and the color conversion medium are successively formed on the base substrate; a pixel opening is defined on the pixel definition layer, the color conversion medium is positioned in the pixel opening; the color conversion medium includes a perovskite color conversion functional layer and a first water-oxygen barrier layer; the first water-oxygen barrier layer is positioned on a side of the perovskite color conversion functional layer away from the base substrate.Type: GrantFiled: November 7, 2019Date of Patent: June 28, 2022Inventor: Miao Duan
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Patent number: 11302886Abstract: The present application discloses a perovskite light-emitting device, a preparation method thereof, and a display. The perovskite light-emitting device includes a first injection layer, a first transport layer, a light-emitting layer, a second transport layer, and a second injection layer, which are sequentially stacked, wherein the first injection layer includes indium tin oxide, the second injection layer includes carbon nanotubes, the light-emitting layer includes halide perovskite, and light emitted by the light-emitting layer is simultaneously emitted from the first injection layer and the second injection layer. The perovskite light-emitting device of the present application can stably emit light on double sides.Type: GrantFiled: December 24, 2019Date of Patent: April 12, 2022Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventors: Miao Duan, Chiayu Lee, Chunche Hsu, Yongming Yin, Yongwei Wu, Pei Jiang, Bo He
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Patent number: 11283040Abstract: A light-emitting device and a manufacturing method thereof are provided. The light-emitting device includes an anode, a luminous layer, and a cathode, which are disposed in a stacked manner, and a material of the luminous layer includes a perovskite material. A first transport layer is further provided between the luminous layer and the anode, and the first transport layer is configured to transport holes. Alternatively, a second transport layer is further provided between the cathode and the luminous layer, and the second transport layer is configured to transport electrons.Type: GrantFiled: December 20, 2019Date of Patent: March 22, 2022Inventors: Pei Jiang, Chiayu Lee, Chunche Hsu, Shujhih Chen, Bo He, Yongwei Wu, Yongming Yin, Miao Duan
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Publication number: 20220077198Abstract: An array substrate, a manufacturing method thereof, and a display panel are provided. The array substrate includes at least one anti-radiation layer including a light incident side and a light-emitting side. The light-emitting side is positioned adjacent to an oxide semiconductor layer, the light incident side is configured to allow high energy light waves to enter the anti-radiation layer, the anti-radiation layer is configured to convert the high energy light waves into visible light, and the light-emitting side is configured to allow the visible light to enter the oxide semiconductor layer, thereby improving light stability of oxide semiconductors.Type: ApplicationFiled: October 27, 2020Publication date: March 10, 2022Applicant: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventors: Miao DUAN, Dongze LI
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Publication number: 20210408129Abstract: The present disclosure provides a display panel and a manufacturing method of the display panel, the display panel includes a base substrate, a pixel definition layer, and a color conversion medium; the pixel definition layer and the color conversion medium are successively formed on the base substrate; a pixel opening is defined on the pixel definition layer, the color conversion medium is positioned in the pixel opening; the color conversion medium includes a perovskite color conversion functional layer and a first water-oxygen barrier layer; the first water-oxygen barrier layer is positioned on a side of the perovskite color conversion functional layer away from the base substrate.Type: ApplicationFiled: November 7, 2019Publication date: December 30, 2021Applicant: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventor: Miao DUAN
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Publication number: 20210408382Abstract: A perovskite organic light-emitting diode and a preparing method thereof are provided. The perovskite organic light-emitting diode comprises an anode layer, a hole transport layer, a light-emitting layer, an electron transport layer and a cathode layer. The hole transport layer, the light-emitting layer and the electron transport layer are prepared by solution processing. Every film layer is prepared by solution spin coating and dried, thereby the whole preparing process is simple, material utilization rate is high and luminous performance of the device is excellent.Type: ApplicationFiled: November 5, 2019Publication date: December 30, 2021Applicant: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventors: Yongwei WU, Chiayu LEE, Chunche HSU, Bo HE, Pei JIANG, Yongming YIN, Miao DUAN
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Publication number: 20210408428Abstract: The present application discloses a perovskite light-emitting device, a preparation method thereof, and a display. The perovskite light-emitting device includes a first injection layer, a first transport layer, a light-emitting layer, a second transport layer, and a second injection layer, which are sequentially stacked, wherein the first injection layer includes indium tin oxide, the second injection layer includes carbon nanotubes, the light-emitting layer includes halide perovskite, and light emitted by the light-emitting layer is simultaneously emitted from the first injection layer and the second injection layer. The perovskite light-emitting device of the present application can stably emit light on double sides.Type: ApplicationFiled: December 24, 2019Publication date: December 30, 2021Inventors: Miao DUAN, Chiayu LEE, Chunche HSU, Yongming YIN, Yongwei WU, Pei JIANG, Bo HE
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Publication number: 20210367150Abstract: A manufacturing method of a perovskite film and a composition for preparing the perovskite film. The manufacturing method of the perovskite film comprises a step of manufacturing a first mixed solution, a step of manufacturing a second mixed solution, a low pressure distillation step, a coating step, and a drying step. The technical effect of the present disclosure is to provide the manufacturing method of the perovskite film and the composition for manufacturing the perovskite film, wherein the perovskite film comprises components of a metal halide and an organic halogen salt to adjust absorption wavelengths and emission wavelengths by modulating components and concentration of each component and makes the perovskite film have a higher transmittance in the visible light band. When ultraviolet light illuminates the perovskite film, the perovskite film can produce visible light due to photoluminescence effect of the perovskite material in the perovskite film, thereby achieving display effect.Type: ApplicationFiled: December 20, 2019Publication date: November 25, 2021Applicant: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventors: Zhengyu FENG, Miao DUAN
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Publication number: 20210367215Abstract: A method of preparing a film and a light-emitting device are disclosed. The method includes: providing at least one gas-phase source above a substrate, the at least one gas-phase source made of materials comprising a perovskite material; and controlling an evaporation rate of the at least one gas-phase source to form a perovskite film. In the method provided by the present invention, a perovskite light-emitting layer is prepared by gas-phase source evaporation coating without an organic solvent, which avoids miscibility between the organic solvent and other layers and improves compatibility between the perovskite material and other film materials, thereby realizing the low preparation cost and the simple preparation process.Type: ApplicationFiled: November 26, 2019Publication date: November 25, 2021Applicant: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventors: Pei JIANG, Chiayu LEE, Chimche HSU, Shujhih CHEN, Miao DUAN, Yongming YIN, Yongwei WU, Bo HE
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Publication number: 20210336139Abstract: A perovskite film and a method of manufacturing same are provided. By adding a surfactant during a process of manufacturing a perovskite solution and adopting a coating method during a process coating the perovskite solution onto a substrate, a flatness of the perovskite film is effectively improved, and a thickness of the perovskite film is uniform. Therefore, the perovskite film becomes more smoothly and has better compactness. Thus, the present invention also has advantages of simple manufacturing process, reduced cost, and suitable for large-scale industrial production.Type: ApplicationFiled: August 28, 2019Publication date: October 28, 2021Applicant: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventors: Miao DUAN, Chiayu LEE, Chunche HSU, Shujhih CHEN, Bo HE
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Publication number: 20210331375Abstract: A manufacturing method and a manufacturing system of perovskite color conversion film are provided. The manufacturing method includes: manufacturing perovskite plastic wires; providing a substrate with areas to be printed; and heating and printing the plastic wires on the areas to be printed of the substrate by used of fused deposition modeling 3D printing technology, to formed a perovskite color conversion film.Type: ApplicationFiled: December 3, 2019Publication date: October 28, 2021Inventor: Miao Duan