-
公开(公告)号:US11663955B2
公开(公告)日:2023-05-30
申请号:US17433244
申请日:2021-02-07
Inventor: Ning Cong , Minghua Xuan , Can Zhang , Ming Yang , Can Wang , Angran Zhang , Hao Chen , Xiaochuan Chen
IPC: G09G3/32
CPC classification number: G09G3/32 , G09G2300/0426 , G09G2310/0278 , G09G2310/08
Abstract: A pixel circuit, a drive method, a display substrate, and a display device are provided. The pixel circuit includes a light emitting device, a current supply sub-circuit, and a time control sub-circuit. The current supply sub-circuit is connected to a scanning signal terminal, a data signal terminal, a light emitting control terminal, a first power voltage terminal, the time control sub-circuit, and the light emitting device, and is configured to receive a data voltage of the data signal terminal and provide a drive current for the light emitting device. The time control sub-circuit is connected to the scanning signal terminal, a time length signal terminal, a second power voltage terminal, a direct current control signal terminal, and a direct current voltage terminal, and is configured to receive a time length voltage of the time length signal terminal and a direct current voltage input by the direct current voltage terminal.
-
公开(公告)号:US11566142B2
公开(公告)日:2023-01-31
申请号:US16605277
申请日:2019-03-26
Inventor: Hao Chen , Wei Zhang , Xingfu Zhang
IPC: C09D11/52 , C01G5/00 , C09D11/36 , G09F9/30 , H05K1/03 , H05K1/09 , H05K3/12 , C09D11/30 , C09D11/102 , C09D11/322 , B82Y40/00 , B82Y30/00
Abstract: A conductive ink is provided, which includes an ink solvent and a conductive composition dispersed in the ink solvent. The conductive composition includes a silver nanoparticle and a molecular chain of polyaniline formed on a surface of the silver nanoparticle. A method for preparing a conductive ink and a flexible display device are further provided. The conductive ink has good film forming property and good conductivity.
-
公开(公告)号:US11335224B2
公开(公告)日:2022-05-17
申请号:US17255529
申请日:2020-05-07
Applicant: BOE Technology Group Co., Ltd.
Inventor: Dongni Liu , Minghua Xuan , Han Yue , Li Xiao , Liang Chen , Hao Chen
Abstract: A pixel circuit, a driving method thereof, and a display device are provided. The pixel circuit includes: a light-emitting assembly including a plurality of light-emitting elements; a driving sub-circuit electrically coupled to the light-emitting assembly and configured to generate driving current for driving the light-emitting assembly; and a repair sub-circuit electrically coupled to the light-emitting assembly and configured to: receive a repair scanning signal (Gate_R, Gate_Ri) and a repair data signal (Data_R, Data_Ri), and provide the driving current to at least one light-emitting element capable of emitting light normally among the plurality of light-emitting elements under the control of the repair scanning signal (Gate_R, Gate_Ri) and the repair data signal (Data_R, Data_Ri).
-
34.
公开(公告)号:US11244602B2
公开(公告)日:2022-02-08
申请号:US17086097
申请日:2020-10-30
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor: Haoliang Zheng , Dongni Liu , Minghua Xuan , Zhenyu Zhang , Li Xiao , Liang Chen , Hao Chen , Guangliang Shang , Lijun Yuan , Xing Yao
IPC: G09G3/32
Abstract: A shift register includes an input sub-circuit, a control sub-circuit, an output sub-circuit and a reset sub-circuit. The input sub-circuit is configured to transmit an input signal from an input signal terminal to a pull-up node. The control sub-circuit is configured to transmit a clock signal from a clock signal terminal to the control node. The output sub-circuit is configured to transmit a second voltage signal from a second voltage signal terminal to a first output signal terminal, and to transmit a first voltage signal from a first voltage signal terminal to the first output signal terminal. The reset sub-circuit is configured to transmit the second voltage signal to the control node to reset the control node, and to transmit a third voltage signal from the third voltage signal terminal to the pull-up node to reset the pull-up node.
-
35.
公开(公告)号:US11177294B2
公开(公告)日:2021-11-16
申请号:US16701706
申请日:2019-12-03
Applicant: BOE Technology Group Co., Ltd.
Inventor: Dongni Liu , Minghua Xuan , Li Xiao , Detao Zhao , Liang Chen , Hao Chen
IPC: H01L23/48 , H01L27/12 , H01L21/288 , H01L21/768 , H01L23/522
Abstract: An array substrate, a manufacturing method thereof and a display device are provided. A display unit is disposed on a first surface of a base substrate, and a driving circuit is disposed on a second surface of the base substrate opposite to the first surface, the driving circuit is electrically connected with the display unit through a signal connection structure in at least one via structure, a longitudinal section of the at least one via hole is a trapezoid, and a length of a bottom edge of the trapezoid at one side of the trapezoid close to the display unit is larger than a length of a bottom edge of the trapezoid at one side of the trapezoid away from the display unit.
-
公开(公告)号:US11086214B2
公开(公告)日:2021-08-10
申请号:US15761639
申请日:2017-09-11
Inventor: Siquan Wu , Xinjie Zhang , Hao Chen
Abstract: A mask plate is provided according to the present disclosure. The mask plate includes: a fully-transparent region; a fully-opaque region; and a partially-transparent region at a boundary between the fully-transparent region and the fully-opaque region.
-
37.
公开(公告)号:US20180224803A1
公开(公告)日:2018-08-09
申请号:US15705451
申请日:2017-09-15
Applicant: BOE Technology Group Co., Ltd.
Inventor: Hao Chen , Bingchuan Shi
IPC: G03H1/22 , G02B27/22 , G02F1/1343 , G02F1/1335
CPC classification number: G03H1/2286 , G02B27/0103 , G02B27/22 , G02F1/133602 , G02F1/1343 , G03H1/2294 , G03H2222/20 , G03H2222/53 , G03H2223/19
Abstract: A backlight module, a spatial light modulator, a holographic display device and a holographic display method therefor are disclosed. The backlight module includes: a light source; an optical conversion element arranged to face the light source and configured to convert a light beam emitted by the light source into coherent collimated light; and a light switch layer disposed at a side of the optical conversion element away from the light source. The optical conversion element includes a plurality of sub-optical conversion regions. The light switch layer includes a plurality of sub-light switches, the plurality of sub-light switches and the plurality of sub-optical conversion regions being disposed in one-to-one correspondence.
-
公开(公告)号:US20230418122A1
公开(公告)日:2023-12-28
申请号:US18465273
申请日:2023-09-12
Applicant: BOE Technology Group Co., Ltd.
Inventor: Liang Chen , Minghua Xuan , Dongni Liu , Haoliang Zheng , Li Xiao , Zhenyu Zhang , Hao Chen , Ke Wang
IPC: G02F1/1362 , H10K59/131
CPC classification number: G02F1/136286 , H10K59/131
Abstract: The present disclosure discloses a display panel and a display device. The display panel includes: a base substrate, including a plurality of substrate via holes located in a display area of the display panel; and a plurality of driving signal lines and a plurality of bonding terminals, respectively located on different sides of the base substrate. At least one of the plurality of driving signal lines is electrically connected to at least one of the plurality of bonding terminals through the substrate via hole(s).
-
公开(公告)号:US11741883B2
公开(公告)日:2023-08-29
申请号:US16982062
申请日:2020-04-27
Applicant: BOE Technology Group Co., Ltd.
Inventor: Dongni Liu , Minghua Xuan , Li Xiao , Liang Chen , Hao Chen
IPC: G09G3/32
CPC classification number: G09G3/32 , G09G2300/0819 , G09G2300/0852 , G09G2310/08 , G09G2330/021 , G09G2330/08
Abstract: The present disclosure proposes a pixel circuit, a control method thereof and a display panel. The pixel circuit includes a first light-emitting element, a pixel drive circuit connected with the first light-emitting element, a repair branch circuit connected with a node between the pixel drive circuit and the first light-emitting element, wherein the repair branch circuit includes a switch circuit and a second light-emitting element connected in series, and the switch circuit controls a connection or disconnection of the second light-emitting element with the pixel drive circuit; a control circuit connected with a control terminal of the switch circuit, a first data terminal and a first control terminal, the control circuit is configured to write a signal of the first data terminal to the control terminal of the switch circuit under a control of the first control terminal to control on or off of the switch circuit.
-
公开(公告)号:US11537018B2
公开(公告)日:2022-12-27
申请号:US17281709
申请日:2020-01-10
Applicant: BOE Technology Group Co., Ltd.
Inventor: Liang Chen , Minghua Xuan , Dongni Liu , Haoliang Zheng , Li Xiao , Zhenyu Zhang , Hao Chen , Ke Wang
IPC: G02F1/1362 , H01L27/32
Abstract: The present disclosure discloses a display panel and a display device. The display panel includes: a base substrate, including a plurality of substrate via holes located in a display area of the display panel; and a plurality of driving signal lines and a plurality of bonding terminals, respectively located on different sides of the base substrate. At least one of the plurality of driving signal lines is electrically connected to at least one of the plurality of bonding terminals through the substrate via hole(s).
-
-
-
-
-
-
-
-
-