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1.发明授权公开(公告)号：US11348976B2
公开(公告)日：2022-05-31
申请号：US16769563
申请日：2019-08-07
发明人： Qingyu Huang , Huajie Yan , Liangliang Kang , Fudong Chen , Zhiqiang Jiao
摘要： A display panel having a plurality of subpixels is provided. The display panel includes a base substrate; a plurality of light emitting elements on the base substrate; and a quantum dot layer on a side of the plurality of light emitting elements away from the base substrate. A respective one of the plurality of light emitting elements includes a first light emitting layer and a second light emitting layer sequentially stacked. The first light emitting layer is configured to emit a first light of a first wavelength range. The second light emitting layer is configured to emit a second light of a second wavelength range. The plurality of light emitting elements are configured to respectively emit a composite light. The quantum dot blocks of different colors are configured to respectively convert the composite light into light of different colors respectively in different subpixels.
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公开(公告)号：US11287687B2
公开(公告)日：2022-03-29
申请号：US16760294
申请日：2019-12-12
发明人： Qingyu Huang , Zhiqiang Jiao , Huajie Yan , Juan Zhang , Xiaohu Li
IPC分类号： G02F1/1335 , H01L27/32 , G09G3/36 , G09G3/3208 , H01L51/52 , G02F1/1333 , H01L51/56
摘要： A display panel, a method for manufacturing the same, and a method for driving the same are provided, the display panel includes a base substrate; a plurality of pixel units on the base substrate; and a controller, at least one pixel unit comprising: a light-emitting element; a reflective layer provided on a light output side of the light-emitting element and configured to receive and reflect light emitted by the light-emitting element to generate reflected light; and an optical sensor configured to receive the reflected light and measure a light intensity of the reflected light, wherein the controller is configured to adjust a light-emitting intensity of the light-emitting element based on the light intensity, wherein the light-emitting element comprises a light-emitting layer, an orthographic projection of the reflective layer on the base substrate does not overlap with an orthographic projection of the light-emitting layer on the base substrate.
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公开(公告)号：US20210142722A1
公开(公告)日：2021-05-13
申请号：US16641072
申请日：2019-08-30
发明人： Huajie Yan , Qingyu Huang , Xiaohu Li , Tun Liu , Liangliang Kang , Juan Zhang , Zhiqiang Jiao
IPC分类号： G09G3/3225 , G09G3/3291 , H01L27/32 , H01L51/52 , H01L51/56
摘要： The present disclosure provides a display panel and a method for manufacturing the same, a pixel light emitting compensation method, and a display apparatus. The display panel comprises a plurality of pixel units arranged in an array, wherein each of the pixel units comprises: an array substrate comprising a pixel driving circuit; a pixel defining layer disposed on a first surface of the array substrate and having a via hole wherein the first surface is far away from a substrate of the array substrate; a light emitting unit disposed in the via hole, wherein the light emitting unit is electrically connected to an output terminal of the pixel driving circuit, so that driving current output by the pixel driving circuit drives the light emitting unit to emit light; and a photoelectric converter configured to receive the light emitted by the light emitting unit.
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4.发明授权公开(公告)号：US11737332B2
公开(公告)日：2023-08-22
申请号：US17721218
申请日：2022-04-14
发明人： Qingyu Huang , Huajie Yan , Liangliang Kang , Fudong Chen , Zhiqiang Jiao
IPC分类号： H01L23/00 , H10K59/35 , H10K50/11 , H10K50/115 , H10K50/17 , H10K59/38 , H10K71/00 , H10K101/10 , H10K101/40
CPC分类号： H10K59/353 , H10K50/11 , H10K50/115 , H10K50/171 , H10K59/38 , H10K71/00 , H10K2101/10 , H10K2101/40
摘要： A light emitting element, includes a first light emitting layer and a second light emitting layer sequentially stacked; and an intermediate layer between the first light emitting layer and the second light emitting layer, and being in direct contact with the first light emitting layer on one side and in direct contact with the second light emitting layer on another side. Each of the intermediate layer, the first light emitting layer, and the second light emitting layer includes a same host material. The intermediate layer is a non-light emitting layer, and is an undoped layer absent of a dopant for emitting light. The light emitting element is configured to emit a composite light including the first light of the first wavelength range and the second light of the second wavelength range. The first wavelength range includes wavelength longer than the second wavelength range.
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公开(公告)号：US11469404B2
公开(公告)日：2022-10-11
申请号：US16768924
申请日：2019-12-04
发明人： Xiaohu Li , Zhiqiang Jiao , Tun Liu , Huajie Yan
IPC分类号： H01L51/56 , H01L27/32 , H01L21/027 , H01L23/00 , H01L51/00
摘要： Disclosed is a method for manufacturing a display panel including: forming a base structure in a target region on a base substrate; forming a display structure layer on the base substrate on which the base structure is formed; forming an annular groove in the display structure layer in a region which an orthographic projection of the base structure on the display structure layer falls within, the base structure being exposed in the annular groove; and removing the base structure surrounded by the annular groove to separate the display structure layer surrounded by the annular groove from the base substrate.
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公开(公告)号：US20210366994A1
公开(公告)日：2021-11-25
申请号：US16492265
申请日：2019-03-20
发明人： Xiaohu Li , Huajie Yan , Hongsheng Zhan , Tun Liu , Zhiqiang Jiao
摘要： Embodiments of the present disclosure provide an OLED device, a method of manufacturing the OLED device, and a display panel. The OLED device comprises: a substrate, a first electrode layer, a color filter layer, a light emitting layer and a second electrode layer. The first electrode layer is one of an anode layer and a cathode layer and comprises: a first sub-electrode layer disposed on the substrate; and a second sub-electrode layer electrically connected with the first sub-electrode layer. The color filter layer is disposed on the first sub-electrode layer and the second sub-electrode layer is disposed on the color filter layer. The second electrode layer is the other of the anode layer and the cathode layer and the light emitting layer is disposed between the second electrode layer and the second sub-electrode layer of the first electrode layer.
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公开(公告)号：US11910630B2
公开(公告)日：2024-02-20
申请号：US17359603
申请日：2021-06-27
发明人： Qingyu Huang , Fudong Chen , Huajie Yan , Wenqi Liu , Zhiqiang Jiao
IPC分类号： H10K50/125 , H10K50/15 , H10K50/16 , H10K50/17 , H10K71/00
CPC分类号： H10K50/125 , H10K50/15 , H10K50/16 , H10K50/17 , H10K71/00
摘要： The present application provides a WOLED device and a preparation method thereof, a WOLED display panel. The WOLED device includes: an anode; a cathode, disposed opposite to the anode; a red-fluorescence emitting layer, disposed on a side of the anode close to the cathode; a green-fluorescence emitting layer, disposed on a side of the red-fluorescence emitting layer close to the cathode; an interlayer, disposed on a side of the green-fluorescence emitting layer; and a blue-fluorescence emitting layer, disposed on a side of the interlayer close to the cathode.
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公开(公告)号：US11616099B2
公开(公告)日：2023-03-28
申请号：US16474242
申请日：2019-02-20
发明人： Xiaohu Li , Zhiqiang Jiao , Tun Liu , Huajie Yan
摘要： The present disclosure relates to a display substrate. The display substrate may include a base substrate; and a plurality of pixels in a display area on the base substrate. At least one of the plurality of pixels includes a first sub-pixel and a third sub-pixel. The first sub-pixel may include an OLED component that emits light of a first color, the third sub-pixel may include a LED component that emits light of a third color, and the first color and the third color are different colors. All sub-pixels including OLED components may be disposed on a same side of the base substrate, and all sub-pixels including LED components may be disposed on another side of the base substrate opposite the side on which the OLED components are disposed.
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公开(公告)号：US11139347B2
公开(公告)日：2021-10-05
申请号：US16599708
申请日：2019-10-11
发明人： Tun Liu , Huajie Yan , Zhiqiang Jiao
摘要： A display device includes a display substrate and a color filter structure. The display substrate includes a base substrate and a plurality of light-emitting units on the base substrate. The color filter structure includes a shading unit and a plurality of spaced color filter units in the shading unit. The color filter units are corresponding to the light-emitting units in a one-to-one manner. The color filter structure further includes a plurality of light transmission compensation units that are corresponding to at least some of the color filter units in a one-to-one manner. The display device further includes a reflection unit located at a periphery of the corresponding light-emitting unit.
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公开(公告)号：US20200295306A1
公开(公告)日：2020-09-17
申请号：US16491300
申请日：2019-03-22
发明人： Qingyu Huang , Zhiqiang Jiao , Huajie Yan , Xiaoyun Liu
摘要： An OLED device, a method for manufacturing the same, and a display apparatus are provided. The OLED device includes: an anode; a cathode; at least two organic light emitting layers between the anode and the cathode; a charge generation layer between two adjacent organic light emitting layers. At least one of two surfaces of the charge generation layer adjacent to the two adjacent organic light emitting layers is provided with microstructures.
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