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公开(公告)号：US20230178017A1
公开(公告)日：2023-06-08
申请号：US17615950
申请日：2020-12-28
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
IPC: G09G3/3233 , H10K59/121
CPC classification number: G09G3/3233 , H10K59/121 , G09G2320/0214 , G09G2330/02 , H10K2102/302
Abstract: Disclosed are a display panel and a display device. The display panel includes: a pixel unit, including a pixel circuit and a light-emitting element, the pixel circuit includes a driving transistor and a threshold compensation transistor; a first power line configured to supply a first power supply voltage to the pixel circuit; a blocker, electrically connected with the first power line; and a first conductive structure, connected with the gate electrode of the driving transistor, the first channel and the second channel of the threshold compensation transistor are connected by a conductive connection portion; an area of an orthographic projection of a portion of the blocker overlapping with the first conductive structure on the base substrate is larger than an area of an orthographic projection of a portion of the blocker overlapping with the conductive connection portion on the base substrate.
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公开(公告)号：US20230154401A1
公开(公告)日：2023-05-18
申请号：US17621861
申请日：2021-01-19
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Mei LI , Tian DONG , Li WANG , Guangliang SHANG , Can ZHENG
IPC: G09G3/3233 , G09G3/3266 , G09G3/3275
CPC classification number: G09G3/3233 , G09G3/3266 , G09G3/3275 , G09G2300/0842 , G09G2320/0214
Abstract: A display panel and a display device are provided. The display panel includes: a pixel unit including a pixel circuit and a light-emitting element, the pixel circuit including a first transistor, the pixel unit including a first pixel unit and a second pixel unit located in a same row and adjacent columns; a first gate line and a second gate line, connected to gate electrodes of the first transistors of the first pixel unit and the second pixel unit; a first gate signal line, connected to the first pixel unit; a second gate signal line, connected to the second pixel unit; a first connection line connected with the first gate signal line through the first connection line; and a second connection line connected with the second gate signal line through the second connection line.
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公开(公告)号：US20230042966A1
公开(公告)日：2023-02-09
申请号：US17793841
申请日：2021-05-17
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Lujiang HUANGFU , Li WANG , Can ZHENG , Tian DONG , Libin LIU
IPC: G09G3/3258
Abstract: A pixel driving circuit includes: an energy storage sub-circuit, a reset sub-circuit, a compensation sub-circuit, a driving sub-circuit, and a current leakage suppression sub-circuit. The energy storage sub-circuit is coupled to a first node and a second node. The reset sub-circuit is coupled to the second node, a first scan timing signal terminal, and an initialization signal terminal. The compensation sub-circuit is coupled to the second node, a third node, and a second scan timing signal terminal. The driving sub-circuit is coupled to the second node, the third node, and a first voltage signal terminal. The current leakage suppression sub-circuit is coupled to the energy storage sub-circuit, the reset sub-circuit, and the compensation sub-circuit. The current leakage suppression sub-circuit is configured to suppress current leakage of the energy storage sub-circuit in a process of generating and transmitting the driving signal by the driving sub-circuit.
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公开(公告)号：US20220351666A1
公开(公告)日：2022-11-03
申请号：US17594771
申请日：2020-10-30
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Tian DONG , Can ZHENG , Li WANG , Long HAN , Yu FENG , Hao ZHANG , Jiangnan LU , Jie ZHANG , Bo WANG , Jingquan WANG
IPC: G09G3/20
Abstract: The display panel includes a plurality of rows and a plurality of columns of pixel circuits, a plurality of rows of gate lines, a plurality rows of reset control lines, and a plurality of columns of data lines, a same row of pixel circuits corresponds to two rows of gate lines, and one/the other row of gate line is electrically connected to odd/even-numbered columns of pixel circuits in the row of pixel circuits, and provides a corresponding gate driving signal for the odd/even-numbered columns of pixel circuits; a same column of pixel circuits corresponds to two columns of data lines, and one/the other column of data line of the two columns of data lines is electrically connected to odd/even-numbered rows of pixel circuits, and provides a corresponding data voltage for the odd/even-numbered rows of pixel circuits.
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公开(公告)号：US20210407417A1
公开(公告)日：2021-12-30
申请号：US16767456
申请日：2019-07-02
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Tian DONG
IPC: G09G3/3258 , G09G3/20 , G09G3/3291
Abstract: A pixel driving circuit is disclosed which includes an input circuit, a reset circuit, a driving transistor and a compensation circuit. The input circuit is configured to provide a data voltage from an input signal terminal to a first node according to a gate driving signal from a gate driving signal terminal. The reset circuit is configured to provide a first voltage from a first voltage terminal to a second node according to a reset control signal from a reset control signal terminal. The driving transistor is configured to output a current corresponding to a voltage difference between a control electrode and a first electrode to a light emitting device. The compensation circuit is configured to compensate a threshold voltage of the driving transistor based on a threshold voltage of a reference transistor.
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Patent Agency Ranking
公开(公告)号：US20210183313A1
公开(公告)日：2021-06-17
申请号：US17119171
申请日：2020-12-11
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
IPC: G09G3/3258 , G09G3/3275 , G09G3/3266 , H01L27/32
Abstract: Embodiments of the present disclosure provide a driving backplane and a display panel. The driving backplane has a plurality of sub-pixel regions, and includes: a base; a plurality of pixel driving circuits disposed on the base, one of the plurality of pixel driving circuits being disposed in one of the plurality of sub-pixel regions; and a plurality of data lines and a plurality of first power supply voltage lines disposed on the base. The pixel driving circuit is electrically connected to a data line and a first power supply voltage line. The data line and the first power supply voltage line are disposed on a side, away from the base, of the pixel driving circuit, and the data line and the first power supply voltage line are disposed at intervals in a same layer. An orthographic projection of the data line on the base overlaps with an orthographic projection of the pixel driving circuit on the base. The pixel driving circuit includes a driving transistor, a first switching transistor, and a first conductive pattern. The first conductive pattern is located on a side, away from the base, of the driving transistor and the first switching transistor. The first conductive pattern is electrically connected to a gate of the driving transistor through a first via. The first conductive pattern is electrically connected to a second electrode of the first switching transistor through a second via. An orthographic projection of the first conductive pattern on the base is located within an orthographic projection of the first power supply voltage line on the base.
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公开(公告)号：US20160381812A1
公开(公告)日：2016-12-29
申请号：US14914468
申请日：2015-07-20
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Tian DONG
CPC classification number: H05K5/0017 , G06F1/1616 , G06F1/1624 , G06F1/1652 , G09F9/00 , G09F9/301 , H05K5/0217
Abstract: A foldable display device and a display apparatus are provided. The foldable display device includes a supporting back plate and a display screen arranged in the front side of the supporting back plate. The supporting back plate includes a first supporting part and a second supporting part, and the first supporting part and the second supporting part may bend towards to the reverse side of the supporting back plate through a folding connection. One end of the display screen is fixedly connected to the first supporting part, and the other end of the display screen is slidably connected to the second supporting part.
Abstract translation: 提供了可折叠显示装置和显示装置。 可折叠显示装置包括支撑背板和布置在支撑背板前侧的显示屏。 支撑背板包括第一支撑部分和第二支撑部分，并且第一支撑部分和第二支撑部分可以通过折叠连接朝着支撑背板的背面弯曲。 显示屏的一端固定地连接到第一支撑部分，并且显示屏的另一端可滑动地连接到第二支撑部分。
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公开(公告)号：US20230165076A1
公开(公告)日：2023-05-25
申请号：US17630589
申请日：2021-02-08
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
IPC: H10K59/131 , G09G3/3233
CPC classification number: H10K59/131 , G09G3/3233 , H10K59/126
Abstract: A display substrate has sub-pixels. Each column of sub-pixels includes first and second sub-pixels alternately arranged. The display substrate includes a base, a second source-drain metal layer including first and second connection portions, and a first source-drain metal layer including first and second data lines alternately arranged. A pixel driving circuit of each first sub-pixel is connected to a second end of a first connection portion, and a first end there is connected to a corresponding first data line. A pixel driving circuit of each second sub-pixel is connected to a second end of a second connection portion, and a first end thereof is connected to a corresponding second data line. In a same column of sub-pixels, an extension direction of a first line connecting a second end of a first connection portion and a second end of a second connection portion is substantially parallel to a second direction.
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公开(公告)号：US20220328007A1
公开(公告)日：2022-10-13
申请号：US17851253
申请日：2022-06-28
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
IPC: G09G3/3258 , G09G3/3275 , H01L27/32 , G09G3/3266 , H01L27/12 , G09G3/3233
Abstract: A driving backplane includes: a base, and pixel driving circuits, data lines and first power supply voltage lines that are disposed on the base. The pixel driving circuit is electrically connected to a data line and a first power supply voltage line. The pixel driving circuit includes a driving transistor, a first switching transistor, and a first conductive pattern located on a side, away from the base, of a gate of the driving transistor and a gate of the first switching transistor. The first conductive pattern is electrically connected to the gate of the driving transistor through a first via, and to a second electrode of the first switching transistor through a second via. An orthogonal projection of the first conductive pattern on the base is located within an orthogonal projection of the first power supply voltage line on the base.
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公开(公告)号：US20220284862A1
公开(公告)日：2022-09-08
申请号：US17626460
申请日：2021-04-09
Applicant: BOE Technology Group Co., Ltd.
Inventor： Tian DONG
IPC: G09G3/3266
Abstract: A drive circuit, a drive method, a display panel, and a display device. The drive circuit includes: a drive transistor (M0), a first pole of the drive transistor (M0) being electrically connected to a first power supply end (ELVDD), a second pole of the drive transistor (M0) being electrically connected to an element to be driven (L); a first control circuit (1), a first end of the first control circuit (1) being electri-cally connected to a data detection end, a control end of the first control circuit (1) being electrically connected to a control signal end (CS); a stabilizing capacitor (CLC), a first pole of the stabilizing capacitor (CLC) being electrically connected to a second end of the first control circuit (1), the second pole of the stabilizing capacitor (CLC) being electrically connected to the first power supply end (ELVDD): a second control circuit (2).
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