-
公开(公告)号：US20240087514A1
公开(公告)日：2024-03-14
申请号：US18273695
申请日：2022-07-11
Applicant: BOE Technology Group Co., Ltd.
IPC: G09G3/3225
CPC classification number: G09G3/3225 , G09G2300/0426 , G09G2300/0852 , G09G2310/061
Abstract: A pixel circuit and a driving method therefor, an array substrate and a display device are provided. The pixel circuit includes a driving circuit, a data writing circuit, a first initialization circuit. The driving circuit is configured to control a driving current; the data writing circuit is configured to write a data signal into the control terminal of the driving circuit; the first initialization circuit is configured to apply a first initialization voltage to the control terminal of the driving circuit, and includes a first transistor; the data writing circuit includes a second transistor and the driving circuit includes a third transistor; semiconductor materials of active layers of both the first transistor and the second transistor have a smaller leakage current characteristic than a semiconductor material of a third active layer of the third transistor.
-
22.发明授权公开(公告)号：US11636789B2
公开(公告)日：2023-04-25
申请号：US17418559
申请日：2020-08-13
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Tian Dong , Xinshe Yin
IPC: G09G3/00 , G09G3/3225
Abstract: A pixel unit includes a pixel circuit, a light-emitting element, a first sensing line and a second sensing line. The pixel circuit is electrically connected to the light-emitting element, and the pixel circuit includes a driving sub-circuit. The driving sub-circuit has a control terminal, a first terminal and a second terminal. The first terminal of the driving sub-circuit is configured to be electrically connected to a first power supply terminal, and is electrically connected to the first sensing line. The second terminal of the driving sub-circuit is electrically connected to the light-emitting element. The control terminal of the driving sub-circuit is electrically connected to the second sensing line. The first sensing line is configured to sense a voltage of the first terminal of the driving sub-circuit. The second sensing line is configured to sense a voltage of the control terminal of the driving sub-circuit.
-
公开(公告)号：US11620951B2
公开(公告)日：2023-04-04
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.
-
公开(公告)号：US20220302219A1
公开(公告)日：2022-09-22
申请号：US17428629
申请日：2020-10-22
Applicant: BOE Technology Group Co., Ltd.
IPC: H01L27/32
Abstract: An array substrate is provided. The array substrate includes a plurality of subpixels arranged in an array comprising M rows and N columns. The array substrate includes a respective first subpixel in a (2n−1)-th column and in a (2m−1)-th row; a respective second subpixel in a (2n−1)-th column and in a (2m)-th row; a respective third subpixel in a (2n)-th column and in a (2m)-th row; and a respective fourth subpixel in a (2n)-th column and in a (2m−1)-th row.
-
公开(公告)号：US11341908B2
公开(公告)日：2022-05-24
申请号：US16327653
申请日：2018-08-24
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Tian Dong
IPC: G09G3/3233
Abstract: A pixel circuit and a driving method thereof, a display panel and a display device are provided. The pixel circuit includes a drive circuit, a first reset bias circuit, and a second reset bias circuit. A control terminal of the drive circuit is electrically connected to the first reset bias circuit, a first terminal of the drive circuit is electrically connected to the second reset bias circuit; the first reset bias circuit is further electrically connected to a first control terminal and a first bias voltage terminal; the second reset bias circuit is further electrically connected to a bias control terminal and a second bias voltage terminal; the first reset bias circuit and the second reset bias circuit are configured to control the drive circuit to be in a bias state during a reset phase.
-
Patent Agency Ranking
26.发明授权公开(公告)号：US11308885B2
公开(公告)日：2022-04-19
申请号：US16618894
申请日：2019-06-28
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Tian Dong
IPC: G09G3/3266 , G09G3/3225 , G09G3/3275
Abstract: The disclosure relates to a display panel. The display panel may include a pixel unit group and a scanning circuit. The pixel unit group may include a first pixel unit and a second pixel unit. The scanning circuit may include a first scan signal terminal and a second scan signal terminal. The first scan signal terminal may be configured to simultaneously provide a same gate signal to the first pixel unit and the second pixel unit, and/or the second scan signal terminal may be configured to simultaneously provide a same light emitting control signal to the first pixel unit and the second pixel unit.
-
公开(公告)号：US11114005B2
公开(公告)日：2021-09-07
申请号：US16623989
申请日：2019-07-23
Applicant: BOE Technology Group Co., Ltd.
IPC: G09G3/20
Abstract: A pixel structure is disclosed. The pixel structure includes: a plurality of scanning lines; a plurality of data lines intersecting the plurality of scanning lines; and a plurality of sub-pixels which are located at respective intersections of the plurality of scanning lines and the plurality of data lines and are arranged in rows and columns. (4n+1)th and (4n+2)th data lines of the plurality of data lines are located on opposite sides of a (2n+1)th column of sub-pixels respectively. (4n+3)th and (4n+4)th data lines of the plurality of data lines are located on opposite sides of a (2n+2)th column of sub-pixels respectively. The (4n+2)th and (4n+3)th data lines of the plurality of data lines are located between the (2n+1)th column of sub-pixels and the (2n+2)th column of sub-pixels, where n is an integer greater than or equal to 0.
-
公开(公告)号：US10887990B2
公开(公告)日：2021-01-05
申请号：US16704193
申请日：2019-12-05
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Abstract: A power line structure, an array substrate including the power line structure and a display panel are provided. The power line structure (100) includes a conductive plate (110), the conductive plate (110) includes a through hole disposing area (103), the through hole disposing area (103) is provided with a plurality of via holes (101); in at least one sub-area of the through hole disposing area (103), a distribution density of the via holes (101) increases along a direction of decreasing a current density in the conductive plate (110).
-
29.发明授权公开(公告)号：US10319264B2
公开(公告)日：2019-06-11
申请号：US15511131
申请日：2016-04-29
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Tian Dong
Abstract: A flexible display device having an auxiliary apparatus for unfolding and folding a flexible display panel. The auxiliary apparatus for unfolding and folding a flexible display panel includes a support plate structure configured to be fixedly attached to the flexible display panel and having a first state and a second state, wherein the support plate structure is configured to assist in the first state the flexible display panel to be in a folded state, and assist in the second state the flexible display panel to be in an unfolded state, and a locking mechanism configured to lock the support plate structure in the first state.
-
30.发明申请公开(公告)号：US20190067640A1
公开(公告)日：2019-02-28
申请号：US15975336
申请日：2018-05-09
Applicant: BOE Technology Group Co., Ltd.
Inventor： Tian Dong
Abstract: Provided are an encapsulation structure-containing display device, a method for producing the same, an array substrate and a display apparatus. The display device has a base substrate, function layers on the base substrate, and an encapsulation unit on the function layers, wherein the encapsulation unit is in contact with the base substrate around the function layers, to encapsulate the function layers; wherein the base substrate comprises a first substrate, a first moisture-oxygen-blocking organic layer on the first substrate, and a second substrate on the first moisture-oxygen-blocking organic layer; wherein the function layers are on the second substrate; wherein the encapsulation unit comprises a second moisture-oxygen-blocking organic layer, wherein the second moisture-oxygen-blocking organic layer is in contact with the first moisture-oxygen-blocking organic layer around the function layers and combines with the first moisture-oxygen-blocking organic layer at the contact surface to form an one-piece structure.
-
-
-
-
-
-
-
-
-
Search Results
66
records
(took 0.025 seconds)
