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公开(公告)号：US20240221851A1
公开(公告)日：2024-07-04
申请号：US17996293
申请日：2021-11-30
Applicant: BOE Technology Group Co., Ltd.
Inventor： Yunsik IM , Shunhang ZHANG , Fuqiang LI , Changfeng LI , Liwei LIU , Hehe HU , Ce NING , Hui ZHANG , Hongrun WANG , Zhuo LI
CPC classification number: G11C19/28 , G09G3/20 , G09G2310/0267 , G09G2310/0286
Abstract: The present disclosure provides a shift register unit, a gate driving circuit and a display device. The shift register unit provided by the present disclosure includes: an input sub-circuit, an output sub-circuit, at least one pull-down control sub-circuit, at least one pull-down sub-circuit, at least one first noise reduction sub-circuit, and a reverse bias sub-circuit; the reverse bias sub-circuit is configured to control transistors in at least part of sub-circuits connected to a pull-up node to be in a reverse bias state through a power voltage signal in response to a potential of the pull-up node, or control the transistors in at least part of the sub-circuits connected to the pull-up node to be in the reverse bias state through a cascade signal in response to a potential of a cascade signal terminal.
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公开(公告)号：US20240169948A1
公开(公告)日：2024-05-23
申请号：US17788113
申请日：2021-08-27
Applicant: BOE Technology Group Co., Ltd.
Inventor： Hui ZHANG , Kai HOU , Hongrun WANG , Shunhang ZHANG , Liwei LIU , Yunsik IM , Changfeng LI , Fuqiang LI
IPC: G09G3/36 , G02F1/1362 , G02F1/1368 , G09G3/32
CPC classification number: G09G3/3607 , G02F1/136286 , G02F1/1368 , G09G3/3666 , G09G3/32 , G09G2300/0408 , G09G2300/0426 , G09G2340/0414 , G09G2340/0435 , G09G2354/00
Abstract: Disclosed are a display panel, a display apparatus, a driving method thereof. The display panel includes: a first base substrate; scanning lines; data lines; sub-pixels, in regions divided by the scanning lines and the data lines, at least two sub-pixels adjacent in a first direction and a second direction constitute a pixel island, the sub-pixels constitute pixel islands, each pixel island includes n sub-pixel rows in the second direction; scanning signal input lines, in one-to-one correspondence to the scanning lines; control signal lines; fixed potential lines; and control circuits, located between the adjacent sub-pixels. One pixel island is connected to at least n control circuits, one control circuit corresponds to one row of sub-pixels in the pixel island. The control circuits are configured to: transfer, under control of control signal lines, signals provided by the scanning signal input lines or the fixed potential lines to the scanning lines.
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公开(公告)号：US20210257580A1
公开(公告)日：2021-08-19
申请号：US16973161
申请日：2020-03-04
Applicant: BOE Technology Group Co., Ltd.
Inventor： Feng LIAO , Yunsik IM , Yoonsung UM , Shunhang ZHANG , Liwei LIU , Hongrun WANG , Hui ZHANG , Yue JIA , Kai HOU
Abstract: The disclosure provides a display substrate and a manufacturing method thereof, a display panel and a display apparatus. The display substrate includes a substrate and an electroluminescent layer on the substrate. The display substrate further includes a first reflective electrode layer, a buffer layer and a second reflective electrode layer sequentially formed on a side of the electroluminescent layer distal to the substrate. The buffer layer is provided with a first hollow region, the second reflective electrode layer is provided with a second hollow region, an overlapping region between the first hollow region and the second hollow region is configured to transmit light emitted by the electroluminescent layer. The present disclosure can detect the light-emitting brightness of each sub-pixel in the organic electroluminescent layer in real time to improve light-emitting efficiency.
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公开(公告)号：US20240234532A1
公开(公告)日：2024-07-11
申请号：US17925222
申请日：2021-12-27
Applicant: BOE Technology Group Co., Ltd.
Inventor： Hehe HU , Dongfang WANG , Fengjuan LIU , Ce NING , Zhengliang LI , Jiayu HE , Yan QU , Kun ZHAO , Jie HUANG , Liping LEI , Yunsik IM , Shunhang ZHANG , Nianqi YAO , Feifei LI
IPC: H01L29/43 , H01L27/12 , H01L29/417 , H01L29/66
CPC classification number: H01L29/435 , H01L27/1214 , H01L29/41733 , H01L29/66742
Abstract: The present disclosure provides a TFT, a manufacturing method and a display substrate, and it relates to the field of TFT technology. The TFT includes: a base substrate; a gate electrode arranged on the base substrate; an active layer arranged at a side of the gate electrode away from the base substrate, an orthogonal projection of the active layer onto the base substrate overlapping with an orthogonal projection of the gate electrode onto the base substrate; and a source electrode and a drain electrode arranged at a side of the active layer away from the base substrate and coupled to the active layer. A resistance between the gate electrode and the drain electrode is greater than a resistance between the gate electrode and the source electrode. According to the present disclosure, it is able to increase a withstand voltage range of the TFT.
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公开(公告)号：US20240046859A1
公开(公告)日：2024-02-08
申请号：US17762334
申请日：2021-05-07
Applicant: BOE Technology Group Co., Ltd.
Inventor： Hongrun WANG , Pan XU , Changfeng LI , Hui ZHANG , Shunhang ZHANG , Kai HOU , Liwei LIU , Yunsik IM
IPC: G09G3/3225 , H10K59/131
CPC classification number: G09G3/3225 , H10K59/131 , G09G2310/0286 , G09G2300/0426
Abstract: A display substrate and a display device are provided. Sub-pixels in a display substrate are divided into sub-pixel groups, wherein the sub-pixel groups include at least two sub-pixels, and at least two sub-pixels share the same pixel driving circuit; at least two light-emitting control sub-circuit in the pixel driving circuit correspond to at least two light-emitting element included in at least two sub-pixels, at least two light-emitting control sub-circuits correspond to at least two light-emitting control signal lines, and each light-emitting control sub-circuit is coupled to an output terminal of a compensation driving sub-circuit, a corresponding light-emitting element and a corresponding light-emitting control signal line; each light-emitting control sub-circuit is configured to control turning on or off a connection between the output terminal of the compensation driving sub-circuit and the corresponding light-emitting element under the control of the corresponding light-emitting control signal line.
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公开(公告)号：US20200301200A1
公开(公告)日：2020-09-24
申请号：US16646633
申请日：2019-08-16
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Yunsik IM
IPC: G02F1/1335 , G02F1/1368 , G02F1/13357 , G02F1/1362
Abstract: The present disclosure provides a display panel, a manufacturing method thereof, and a display device. The display panel includes: a first substrate and a second substrate which are oppositely disposed, the first substrate including a plurality of sub-pixel regions arranged in an array; and a plurality of filtering polarization structures arranged in an array on the first substrate. The plurality of filtering polarization structures correspond to the plurality of sub-pixel regions one-to-one. Each filtering polarization structure is configured to transmit light having a first polarization direction and corresponding to a color of a sub-pixel region corresponding to the filtering polarization structure, and reflect light of other colors.
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公开(公告)号：US20160300542A1
公开(公告)日：2016-10-13
申请号：US14777587
申请日：2015-03-19
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Yuanbo ZHANG , Seimgwoo HAN , Yunsik IM
CPC classification number: G09G3/3677 , G09G3/3266 , G09G3/3696 , G09G2300/0809 , G09G2300/0842 , G09G2310/0286 , G09G2330/06 , G11C19/28
Abstract: The present invention provides a shift register unit, a gate driving circuit and a display device, which belongs to the field of display technology. The shift register unit of the present invention comprises: an input module, a pull-up module, a pull-down control module, a pull-down module, a reset module and a discharge module.
Abstract translation: 本发明提供属于显示技术领域的移位寄存器单元，栅极驱动电路和显示器件。 本发明的移位寄存器单元包括：输入模块，上拉模块，下拉控制模块，下拉模块，复位模块和放电模块。
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公开(公告)号：US20240312411A1
公开(公告)日：2024-09-19
申请号：US18665611
申请日：2024-05-16
Applicant: BOE Technology Group Co., Ltd.
Inventor： Yunsik IM , Shunhang ZHANG , Zhenyu ZHANG , Zhen ZHANG , Peirou LI , Dongni LIU , Lianfu YU
IPC: G09G3/3233 , G09G3/20
CPC classification number: G09G3/3233 , G09G3/2007 , G09G2300/0819 , G09G2300/0852 , G09G2300/0861 , G09G2310/08
Abstract: A pixel drive circuit is configured to drive a light emitting device to emit light, the light emitting device includes a first electrode and a second electrode, the pixel drive circuit includes a current control sub-circuit and a duration control sub-circuit; the duration control sub-circuit is configured to provide control signal to a first node under control of signals of a first scan signal line, a first reset signal line, a first light emitting signal line, control signal line, a data signal line, an initial signal line, and a first power supply line; the current control sub-circuit is configured to provide a drive current to a first electrode of a light emitting device under control of signals of a first node, a second scan signal line, a second reset signal line, a second light emitting signal line, a Data signal line, and a second power supply line.
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公开(公告)号：US20240127724A1
公开(公告)日：2024-04-18
申请号：US18276687
申请日：2021-07-02
Applicant: BOE Technology Group Co., Ltd.
Inventor： Hui ZHANG , Changfeng LI , Kai HOU , Liwei LIU , Hongrun WANG , Yunsik IM , Shunhang ZHANG , Kuanjun PENG
CPC classification number: G09G3/001 , G09G3/3607 , G09G2300/0452 , G09G2310/0262 , G09G2310/0281 , G09G2310/0283 , G09G2310/0297 , G09G2330/021 , G09G2340/00 , G09G2354/00 , G09G2370/00
Abstract: A display panel, a display device, and a method for driving the display device are disclosed. The display panel includes a base substrate, a plurality of data lines, a plurality of scanning lines, a plurality of sub-pixels, a plurality of data selection control lines, a plurality of data input lines, and a plurality of data selection circuits. The data selection circuits include at least two multiplexers; in each data selection circuit, input terminals of different multiplexers are coupled to different data input lines, control terminals of different multiplexers are coupled to different data selection control lines, and the ith output terminals of different multiplexers are coupled to the same data line; in two adjacent data selection circuits, two multiplexers coupled to different data selection control lines are coupled to the same data input line.
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公开(公告)号：US20210191181A1
公开(公告)日：2021-06-24
申请号：US17038169
申请日：2020-09-30
Applicant: BOE Technology Group Co., Ltd.
IPC: G02F1/1343 , G02F1/1333 , G02F1/1362 , H01L27/12
Abstract: The present application provides an array substrate, a method for fabricating the array substrate, and a display device. The method for fabricating the array substrate includes: forming a plurality of light-shielding electrode structures spaced apart from each other on a substrate; forming an insulating film on a side of the substrate close to the light-shielding electrode structures, the insulating film covering the plurality of light-shielding electrode structures and the substrate; and forming insulating barriers between adjacent light-shielding electrode structures by performing exposure from a side of the substrate away from the light-shielding electrode structures.
