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公开(公告)号：US20240428747A1
公开(公告)日：2024-12-26
申请号：US18294153
申请日：2023-02-28
Applicant: BOE Technology Group Co., Ltd.
Inventor： Meirong LU , Weixing LIU , Chunfang ZHANG , Wanpeng TENG , Kai GUO , Zhiqiang XU , Jintao PENG
IPC: G09G3/34
Abstract: Embodiments of the present disclosure provide a display device and a driving method. The display device includes a display panel that includes a plurality of pixels, each of the plurality of pixels includes a pixel electrode, wherein the pixel electrode includes a plurality of pixel sub-electrodes spaced from each other; and a drive circuit configured to load a first drive voltage with different maintaining durations to at least part of a plurality of pixel sub-electrodes in a set pixel through a signal output terminal in a picture display stage, so that the set pixel is switched from a first state to a second state; wherein the set pixel is at least one of the plurality of pixels.
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公开(公告)号：US20250048811A1
公开(公告)日：2025-02-06
申请号：US18705333
申请日：2023-01-18
Inventor： Jiao LI , Chenchang CHEN , Ruoyu MA , Liangliang JIN , Zezhou YANG , Wenjia SUN , Qingkai ZHANG , Le ZHAO , Weixing LIU
Abstract: The present disclosure provides a display substrate, a preparing method thereof, and a display device. The display substrate includes: a base substrate including a spacing region; a plurality of light-emitting device groups on the base substrate, any two adjacent light-emitting device groups of the plurality of light-emitting device groups being spaced apart from each other by the spacing region; and a light-shielding layer on the base substrate. The light-shielding layer covers the plurality of light-emitting device groups and fills the spacing region, a first portion of the light-shielding layer covering the plurality of light-emitting device groups has a first thickness, a second portion of the light-shielding layer filling the spacing region has a second thickness, the first thickness is less than the second thickness.
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公开(公告)号：US20240257772A1
公开(公告)日：2024-08-01
申请号：US18290924
申请日：2022-09-05
Applicant: BOE Technology Group Co., Ltd.
Inventor： Yuzhen GUO , Haoliang ZHENG , Minghua XUAN , Hebin ZHAO , Meirong LU , Chenyang ZHANG , Li XIAO , Xiaorong CUI , Jiao ZHAO , Shulei LI , Weixing LIU , Jintao PENG , Chunfang ZHANG , Xinxing WANG , Zhiqiang XU , Wanpeng TENG , Kai GUO
IPC: G09G3/34 , G02F1/167 , G02F1/16756 , G02F1/16766 , G02F1/1677
CPC classification number: G09G3/344 , G02F1/167 , G02F1/16756 , G02F1/16766 , G02F1/1677
Abstract: A display panel, a method for driving a display panel, and a display apparatus are provided. The display panel includes a first base substrate and a plurality of pixels on one side of the first base substrate. Each pixel includes: a plurality of pixel sub-electrodes independent from each other and configured to form an electric field with an included angle greater than 0 with respect to a direction perpendicular to the first base substrate under control of incompletely same driving signals; a common electrode on a side of the pixel electrode away from the first base substrate; and an electrophoretic liquid layer between the pixel electrode and the common electrode, including a plurality of charged particles therein.
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4.发明公开公开(公告)号：US20240088328A1
公开(公告)日：2024-03-14
申请号：US18263567
申请日：2021-10-22
Applicant: BOE Technology Group Co., Ltd.
Inventor： Bin QIN , Kuanjun PENG , Weixing LIU , Fangzhen ZHANG , Xue DONG , Jintao PENG , Wanpeng TENG , Xiaolong LI , Shuang SUN , Wanzhi CHEN , Guangcai YUAN , Qian JIA
CPC classification number: H01L33/385 , H01L27/15 , H01L33/06 , H01L33/145 , H01L33/54 , H01L33/60 , H01L33/62 , H01L33/642
Abstract: A light-emitting device, a light-emitting substrate, and a method for manufacturing the light-emitting device. The light-emitting device includes at least one light-emitting structure. The light-emitting structure includes: a first semiconductor layer; a light-emitting layer; a second semiconductor layer, doping ions of the second semiconductor layer and a first semiconductor layer being oppositely charged; a barrier structure provided with an opening for exposing the second semiconductor layer, the orthographic projection of the opening on the base substrate being located in the orthographic projection of the light-emitting layer on the base substrate, and the area of the opening being smaller than that of the light-emitting layer; and a landing electrode located on the side of the barrier structure facing away from the second semiconductor layer, the landing electrode being in contact with the second semiconductor layer by means of the opening.
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公开(公告)号：US20220351681A1
公开(公告)日：2022-11-03
申请号：US17762092
申请日：2021-05-21
Applicant: BOE Technology Group Co., Ltd.
Inventor： Weixing LIU , Kai GUO , Tieshi WANG , Wei QIN
IPC: G09G3/3233 , H01L27/32
Abstract: A pixel circuit, including: an input sub-circuit, a driving control sub-circuit, a light emission control sub-circuit, a driving sub-circuit, a first light-emitting element and a second light-emitting element, wherein the driving control sub-circuit comprises a capacitor; the input sub-circuit is used for providing a signal of a data signal end to a first node; the driving control sub-circuit adjusts the voltages of the first node, a second node and a third node by means of controlling the voltages at two ends of the capacitor; the light emission control sub-circuit is used for providing a signal of a first power supply signal end to the second node under the signal control of a light emission control signal end; and the driving sub-circuit is used for connecting or disconnecting the connection between the second node and the third node under the signal control of the first node.
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Patent Agency Ranking
公开(公告)号：US20200233124A1
公开(公告)日：2020-07-23
申请号：US16527751
申请日：2019-07-31
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Kai GUO , Xiaolong LI , Xueling GAO , Kuanjun PENG , Shengnan LI , Weixing LIU
Abstract: The present disclosure provides a structured light generator. The structured light generator includes a transparent substrate, a plurality of transflective structure layers disposed on one side of the transparent substrate and mutually laminated and parallel, wherein distances between any two adjacent transflective structure layers are equal and 0.1λ to 10λ, λ being a wavelength of incident light, and a transparent filling layer disposed between any two adjacent transflective structure layers.
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公开(公告)号：US20240372050A1
公开(公告)日：2024-11-07
申请号：US18774927
申请日：2024-07-17
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Kai GUO , Weixing LIU , Yuwei YAN , Meirong LU , Zhiqiang XU , Chunfang ZHANG , Wanpeng TENG , Jintao PENG , Xinxing WANG
IPC: H01L33/58 , H01L25/075 , H01L33/00 , H01L33/50 , H01L33/62
Abstract: A display panel includes a driving backplane, an optical device layer, an adhesive layer and an optical conversion layer. The optical device layer includes optical devices each including a buffer layer and at least one light emitting unit. The buffer layer includes a first surface and a second surface. The first surface is farther away from the driving backplane than the second surface. The light-emitting unit is located on a side of the second surface away from the first surface. A buffer layer of at least one optical device further includes a side surface for connecting a first surface and a second surface. The side surface intersects with the first surface to form a first acute angle, and the side surface intersects with the second surface to form a first obtuse angle. A refractive index of the adhesive layer is less than a refractive index of the buffer layer.
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公开(公告)号：US20240371323A1
公开(公告)日：2024-11-07
申请号：US18247634
申请日：2022-06-24
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Weixing LIU , Zhiqiang XU , Jintao PENG , Chunfang ZHANG , Wanpeng TENG , Kai GUO , Jiao LI
IPC: G09G3/3233 , G09G3/20
Abstract: A pixel circuit includes a light emitting element, a first energy storage circuit, a first driving circuit, a second driving circuit, a first driving control circuit, a second driving control circuit, a second energy storage circuit and a first control data voltage writing-in circuit; the first control data voltage writing-in circuit controls to write a first control data voltage into the third node under the control of a first writing-in control signal; both the first terminal of the first driving circuit and the first terminal of the second driving circuit are electrically connected to a power supply voltage terminal, the first driving circuit is used to drive the light emitting element under the control of a potential of the control terminal thereof, and the second driving circuit is used to drive the light emitting element under the control of a potential of the control terminal thereof.
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公开(公告)号：US20240282265A1
公开(公告)日：2024-08-22
申请号：US18044065
申请日：2022-06-24
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Weixing LIU , Xinxing WANG , Jintao PENG , Zhiqiang XU , Chunfang ZHANG
IPC: G09G3/3258
CPC classification number: G09G3/3258 , G09G2300/0842 , G09G2310/061 , G09G2310/08
Abstract: A pixel circuit includes a light emitting element, a first driving circuit, a second driving circuit, a first control circuit, a setting circuit, a first energy storage circuit, a second control circuit and a control data voltage writing-in circuit. The first control circuit controls to connect or disconnect the control end of the first driving circuit and the control end of the second driving circuit under the control of the potential of the first node. The second control circuit provides the second setting voltage to the control end of the first driving circuit, and connects or disconnects the control end of the first driving circuit and the connection node under the control of the control signal provided by the charging control end; the control data voltage writing-in circuit writes the control data voltage into the first node under the control of the first writing-in control signal.
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公开(公告)号：US20240282263A1
公开(公告)日：2024-08-22
申请号：US18650738
申请日：2024-04-30
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Weixing LIU , Kuanjun PENG , Bin QIN , Xue DONG , Fangzhen ZHANG , Wanpeng TENG , Tieshi WANG , Wanzhi CHEN , Kai GUO , Chunfang ZHANG
IPC: G09G3/3233 , H01L27/15 , H01L33/06 , H01L33/38
CPC classification number: G09G3/3233 , H01L27/156 , H01L33/06 , H01L33/38 , G09G2300/0426 , G09G2300/0819 , G09G2300/0842 , G09G2310/0262 , G09G2310/08 , G09G2320/0233
Abstract: A pixel driving circuit includes a data writing circuit, a light-emitting control circuit, a switching circuit and a light-emitting diode chip. The data writing circuit is electrically connected to a first scanning signal terminal, a data signal terminal and a first node. The light-emitting control circuit is configured to transmit a first voltage signal received at the first voltage signal terminal to a second node. The switching circuit includes switching transistors. The light-emitting diode chip is electrically connected to the second node. The light-emitting diode chip includes light-emitting portions. The light-emitting diode chip is configured to drive the light-emitting portions to emit light in different periods of time respectively or drive at least two light-emitting portions to emit light in a same period of time. At least part of the light-emitting portions are sequentially connected in series through at least one switching transistor.
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