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公开(公告)号:US12278213B2
公开(公告)日:2025-04-15
申请号:US17422220
申请日:2020-10-21
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor: Mingxing Wang , Meng Yan , Qingxun Zhang , Qian Wu , Xuan Feng , Xiawei Yun , Guangcai Yuan , Xue Dong , Muxin Di , Zhiwei Liang , Ke Wang
IPC: H01L27/15 , H01L23/00 , H01L23/498 , H01L25/065 , H10K59/35
Abstract: A display substrate and a display device are provided. The display substrate includes a backplane including a plurality of pixel regions; and light emitting units arranged in one-to-one correspondence with the plurality of pixel regions. Each light emitting unit includes light emitting sub-units arranged in a plurality of rows and a plurality of columns, each row of light emitting sub-units includes a plurality of light emitting sub-units arranged along a row direction, each column of light emitting sub-units includes one light emitting sub-unit, and orthographic projections of light emitting regions of two adjacent columns of light emitting sub-units on a first straight line extending along a column direction are not overlapped; and in each light emitting unit, there is no gap between orthographic projections of the light emitting regions of the two adjacent columns of light emitting sub-units on a second straight line extending along the row direction.
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公开(公告)号:US12225768B2
公开(公告)日:2025-02-11
申请号:US17628678
申请日:2021-02-20
Applicant: BOE Technology Group Co., Ltd.
Inventor: Zhijian Zhu , Longfei Fan , Pengcheng Lu , Xiaochuan Chen , Qian Wu
IPC: H01L27/32 , H10K59/121 , H10K59/131
Abstract: A display panel and a display apparatus are provided. The display panel includes a base substrate including a pixel circuit and a light-emitting element. The pixel circuit includes a data writing sub-circuit, a storage sub-circuit, a driver sub-circuit and a first sub-circuit. The data writing sub-circuit is configured to transmit a data signal to a first terminal of the storage sub-circuit in response to a control signal. A control electrode of the driver sub-circuit is coupled to the storage sub-circuit, a first electrode of the driver sub-circuit is configured to receive a first power supply voltage, and a second electrode is coupled to a first electrode of the light-emitting element. The first sub-circuit includes a first transistor, where a gate and a first electrode of the first transistor are both coupled to the same electrode of the driver sub-circuit.
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公开(公告)号:US20240373725A1
公开(公告)日:2024-11-07
申请号:US18026494
申请日:2022-06-29
Applicant: BOE Technology Group Co., Ltd.
Inventor: Zhongyuan Sun , Wenqi Liu , Che An , Qian Wu , Wei Huang , Zhiqiang Jiao , Guangcai Yuan , Chunyan Li , Jingjing Xu
IPC: H10K59/80 , H10K59/35 , H10K59/38 , H10K102/00
Abstract: A light emitting panela includes: a light emitting substrate including at least one light emitting region and a non-light-emitting region surrounding the light emitting region; and an encapsulation layer arranged on a light exiting side of the light emitting substrate, wherein the encapsulation layer includes a first film layer including a plurality of pillars separated from each other and a first medium arranged in gaps between the pillars; wherein a refractive index of the pillars is different from that of the first medium, and a volume ratio of the pillars to the first medium gradually increases or decreases along a first direction, so that an equivalent refractive index of the first film layer gradually decreases along the first direction, the first direction being a direction from a center of the light emitting region to an edge of the light emitting region.
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公开(公告)号:US20240272337A1
公开(公告)日:2024-08-15
申请号:US18022552
申请日:2022-05-30
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor: Mengya Song , Dongfei Hou , Qian Wu , Duohui Li , Kang Guo , Xin Gu , Dacheng Zhang
CPC classification number: G02B3/08 , G02B2003/0093 , G02B2207/101
Abstract: This disclosure relates to a display panel, including a display panel main body and a light modulation structure on a light-emitting side of the display panel main body, where the display panel main body includes pixels; the light modulation structure includes a substrate, a first medium, a second medium, and a cover layer; the first medium includes a metasurface structure including multiple metasurface structural units arranged on a surface of the substrate close to the cover layer, the metasurface structural units are in one-to-one correspondence with the pixels and each include multiple nano-pillars; the second medium includes a gas layer filling between the substrate and the cover layer, which are spaced from each other by support pillars, and a height of the support pillars is greater than that of the nano-pillars in a direction perpendicular to the substrate. This disclosure also relates to a method for manufacturing a display panel.
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公开(公告)号:US10551631B2
公开(公告)日:2020-02-04
申请号:US15500823
申请日:2015-10-19
Inventor: Haoyuan Fan , Qian Wu
Abstract: Embodiments of the present disclosure provide a display panel and a display device. The display panel of the present disclosure comprises matrix-arranged pixel units and a grating provided at a light-exiting surface side of the display panel. The grating comprises light blocking zones and light transmission zones provided alternately in a row, and the light blocking zones and light transmission zones are provided alternately in the order of light blocking zone and light transmission zone in one of two adjacent rows and in the order of light transmission zone and light blocking zone in the other of the two adjacent rows, wherein each of at least one light blocking zone blocks completely a pixel unit. The display panel of the disclosure can solve the problem of the moire phenomenon which is caused by the overlap of directions of the light blocking zones of the grating and the black matrix of the existing display panel. In addition, the display effect of the display panel of the disclosure is better.
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公开(公告)号:US20240407237A1
公开(公告)日:2024-12-05
申请号:US18694066
申请日:2023-07-31
Applicant: BOE Technology Group Co., Ltd.
Inventor: Qian Wu , Weiting Peng , Yutong Yan , Fang Cheng
IPC: H10K59/80 , H10K59/122 , H10K59/35 , H10K59/38
Abstract: A display base board, a display device and a manufacturing method of the display base board are provided. The display base board includes: a substrate (10); a light emitting layer (20), wherein the light emitting layer (20) includes a plurality of sub-pixels (201); a packaging layer (30); and at least one lens layer (40), wherein each of the at least one lens layer (40) includes a plurality of lens units (401), and the plurality of lens units (401) correspond to the sub-pixels (201) one to one.
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公开(公告)号:US12073784B2
公开(公告)日:2024-08-27
申请号:US17918590
申请日:2021-05-31
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor: Dongsheng Li , Longfei Fan , Qian Wu
IPC: G09G3/3233
CPC classification number: G09G3/3233 , G09G2300/0426 , G09G2300/0842 , G09G2310/0286 , G09G2330/021
Abstract: The line drive signal enhancement circuit includes a first control unit, a second control unit, a first output unit and a second output unit. The first control unit is used for outputting the first power supply voltage to the first node or the second node under the control of the first control terminal and the second control terminal. The second control unit is used for outputting the second power supply voltage to the second node in response to the first power supply voltage on the first node, and is further used for outputting the second power supply voltage to the first node in response to the first power supply voltage on the second node.
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公开(公告)号:US20220293031A1
公开(公告)日:2022-09-15
申请号:US17683734
申请日:2022-03-01
Inventor: Qian Wu , Pengcheng Lu , Zhijian Zhu , Chenyu Chen , Yunlong Li , Dongsheng Li , Wei Liu , Longfei Fan , Rongfei Chen , Dacheng Zhang , Yuanlan Tian
IPC: G09G3/20 , H01L27/32 , G09G3/3225
Abstract: A display panel is provided. The display panel includes a driving back plate and a pixel layer disposed on a side of the driving back plate. The pixel layer includes a plurality of pixels, and the pixel includes m color sub-pixels for emitting color light and k white sub-pixels for emitting white light, wherein m and k are both integers greater than 1. The k white sub-pixels are configured to adjust the luminance of the pixel.
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公开(公告)号:US11361708B2
公开(公告)日:2022-06-14
申请号:US17307996
申请日:2021-05-04
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor: Qian Wu , Longfei Fan
Abstract: A pixel circuit, a pixel driving method and a display device are provided in the present disclosure. The pixel circuit includes a light-emitting element, a pixel driving circuit, an on-off control circuit and a light-emission time control circuit. A control terminal of the on-off control circuit is electrically coupled to the light-emission time control circuit, and the on-off control circuit is configured to control a driving current output terminal to be coupled to, or decoupled from, the light-emitting element under the control of a potential at the control terminal of the on-off control circuit. The light-emission time control circuit is configured to control an nth light-emission time control signal output terminal to be coupled to, or decoupled from, the control terminal of the on-off control circuit in accordance with an nth light-emission control data voltage under the control of a second gate driving signal. N is an integer larger than 1, and n is a positive integer smaller than or equal to N.
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公开(公告)号:US10013911B2
公开(公告)日:2018-07-03
申请号:US14762661
申请日:2014-11-11
Inventor: Qian Wu , Fan Li , Ronghua Lan
IPC: G09G5/10 , G09G3/3208 , G09G3/3225 , G09G3/3275 , G09G3/20
CPC classification number: G09G3/3208 , G09G3/20 , G09G3/2003 , G09G3/3225 , G09G3/3275 , G09G2300/0426 , G09G2310/0213 , G09G2310/0232 , G09G2310/027 , G09G2310/0281 , G09G2320/0626 , G09G2330/021 , G09G2330/022
Abstract: The present invention provides a driving method and a driving circuit of a display panel and a display device. The display panel comprises: gate lines and data line and pixel units, the data lines comprises: first data lines and second data lines, and a first predetermined number of first data line(s) and a second predetermined number of second data line(s) are alternately arranged. The driving method comprises a step of: scanning the gate lines in turn, wherein when scanning one gate line, a data voltage signal is applied to the first data lines or the second data lines. Compared to the driving method in the prior art, the driving method provided by the present invention allows lower power consumption of the OLED panel when display at the same brightness is achieved.
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