-
公开(公告)号：US20220215799A1
公开(公告)日：2022-07-07
申请号：US17435249
申请日：2020-10-27
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Li WANG , Qian YANG , Tian DONG , Renrong GAI , Jingquan WANG , Bo WANG
IPC: G09G3/3233 , H01L27/32
Abstract: A display panel and a driving method thereof and a display device are provided. The display panel includes a pixel circuit and a light-emitting element, the pixel circuit including a driving transistor, a first reset transistor and a second reset transistor; the first reset transistor being connected with a gate electrode of the driving transistor and configured to reset the gate electrode of the driving transistor, and the second reset transistor being configured to reset the first electrode of the light-emitting element; a first initialization signal line, connected with the gate electrode of the driving transistor through the first reset transistor; and a second initialization signal line, connected with the first electrode of the light-emitting element through the second reset transistor. The first initialization signal line and the second initialization signal line are insulated from each other and are configured to supply signals respectively.
-
公开(公告)号：US20220189378A1
公开(公告)日：2022-06-16
申请号：US17600078
申请日：2021-02-02
Applicant: BOE Technology Group Co., Ltd.
Inventor： Tian DONG
IPC: G09G3/20
Abstract: Provided are a pixel circuitry, a control method thereof and a display device. The pixel circuitry includes: a plurality of sub-pixels arranged in an array; a plurality of gate lines extending in a first direction, where all sub-pixels located in one row are electrically coupled to one gate line; a plurality of first signal lines and a plurality of second signal lines extending in a second direction, where all sub-pixels located in odd-numbered rows and one column are electrically coupled to one first signal line, and all sub-pixels located in even-numbered rows and one column are electrically coupled to one second signal line, the second direction being perpendicular to the first direction; and a plurality of data lines extending in the second direction, where two first signal lines and two second signal lines coupled to two adjacent columns of sub-pixels are electrically coupled to one data line.
-
公开(公告)号：US20210350748A1
公开(公告)日：2021-11-11
申请号：US17380208
申请日：2021-07-20
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
IPC: G09G3/3258 , G09G3/3275 , H01L27/32 , G09G3/3266
Abstract: A driving backplane includes: a base, and first, second and third insulating layers, 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：US20200037433A1
公开(公告)日：2020-01-30
申请号：US15739287
申请日：2017-06-28
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Tian DONG
Abstract: A foldable display device is provided. The foldable display device includes a flexible display panel including a first display region, a second display region and a bending region and having a first state and a second state; and a first panel supporting frame and a second panel supporting frame configured to support the first display region and the second display region, respectively. In the first state, the first and the second panel supporting frames overlap with each other; and in the second state, the first and the second panel supporting frames are in a same plane and form an accommodation space in which the bending region is accommodated, and a first border of the first display region and a fifth border of the second display region abut against and are in contact with each other to form a structure of flat panel display.
-
公开(公告)号：US20190156750A1
公开(公告)日：2019-05-23
申请号：US15769018
申请日：2017-09-27
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Tian DONG
IPC: G09G3/3258 , G09G3/3233 , G09G3/3266 , G09G3/3291 , H01L27/32
Abstract: There are provided a pixel driving circuit and a driving method thereof, and a display apparatus. The pixel driving circuit includes a reset unit 1 configured to write a first power supply voltage of a first power supply voltage terminal into a first terminal of a capacitor; a data writing unit 2 configured to write a data signal of a data signal terminal 7 into a second terminal of the capacitor; a compensation unit 3 configured to provide a reference voltage of a reference voltage signal terminal 6 to a first node S, and write a voltage of the first node S into the second terminal of the capacitor; a light emitting control unit 4 configured to provide light emitting current to a light emitting device 5 for making it emit light, and to reduce the voltage of the first node S.
-
Patent Agency Ranking
公开(公告)号：US20240276815A1
公开(公告)日：2024-08-15
申请号：US18645555
申请日：2024-04-25
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
IPC: H10K59/131 , G06F3/00 , G06F3/033 , G09G3/3233 , G09G3/3266 , G09G3/3275 , H10K59/121 , H10K102/00
CPC classification number: H10K59/131 , G09G3/3233 , G09G3/3266 , G09G3/3275 , H10K59/121 , G06F3/00 , G06F3/033 , G09G2300/0426 , G09G2300/0819 , G09G2300/0842 , G09G2300/0861 , G09G2320/0214 , G09G2320/0247 , G09G2330/02 , G09G2330/021 , 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.
-
公开(公告)号：US20230419903A1
公开(公告)日：2023-12-28
申请号：US18244368
申请日：2023-09-11
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Li WANG , Qian YANG , Tian DONG , Renrong GAI , Jingquan WANG , Bo WANG
IPC: G09G3/3233 , H10K59/131
CPC classification number: G09G3/3233 , H10K59/131 , G09G2300/0842 , G09G2310/061 , G09G2310/08 , G09G2320/0214 , G09G2320/0247
Abstract: A display panel and a driving method thereof and a display device are provided. The display panel includes a pixel circuit and a light-emitting element, the pixel circuit including a driving transistor, a first reset transistor and a second reset transistor; the first reset transistor configured to reset the gate electrode of the driving transistor, and the second reset transistor configured to reset the first electrode of the light-emitting element; a first initialization signal line connected with the gate electrode of the driving transistor through the first reset transistor; and a first power line. The first reset transistor is a dual-gate transistor and includes a first channel and a second channel which are connected by a first conductive connection portion; an orthographic projection of the first conductive connection portion on the base substrate is completely within an orthographic projection of the first power line on the base substrate.
-
公开(公告)号：US20230157098A1
公开(公告)日：2023-05-18
申请号：US17621770
申请日：2021-01-19
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
IPC: H10K59/131 , G09G3/3233
CPC classification number: H10K59/131 , G09G3/3233 , G09G2300/0426 , G09G2300/0819 , G09G2300/0842 , G09G2330/021 , G09G2320/0247 , G09G2300/0861
Abstract: Disclosed are a display panel and a display device. The display panel includes a base substrate; a pixel unit on the base substrate and including a pixel circuit and a light-emitting element, the pixel circuit being configured to drive the light-emitting element, the pixel circuit being closer to the base substrate than the light-emitting element and including a driving transistor; a data line configured to provide data signal to the pixel circuit; a connection element through which the light-emitting element is connected with the pixel circuit, the connection element including a shielding portion; and a connection line connected with a gate electrode of the driving transistor. The data line includes two adjacent data lines with the shielding portion located therebetween, and an orthographic projection of the connection line on the base substrate at least partially overlaps with an orthographic projection of the shielding portion on the base substrate.
-
39.发明申请公开(公告)号：US20220343841A1
公开(公告)日：2022-10-27
申请号：US17762330
申请日：2021-04-15
Applicant: BOE Technology Group Co., Ltd.
Inventor： Guangliang SHANG , Libin LIU , Tian DONG , Jiangnan LU , Shiming SHI
IPC: G09G3/3225 , G11C19/28
Abstract: The present disclosure provides a signal generation circuit, a signal generation method, a signal generation module and a display device. The signal generating circuit includes an input terminal, a signal output terminal, a transmission control circuit, a first output circuit, and an output control circuit; the output control circuit is electrically connected to a first output control terminal, a second output control terminal, a second voltage terminal, the signal writing-in terminal, the signal output terminal and the first voltage terminal, configured to control to connect the signal writing-in terminal and the second voltage terminal under the control of a second output control signal provided by the second output control terminal, and control to connect the signal output terminal and the first voltage terminal under the control of a first output control signal provided by the first output control terminal. The present disclosure expands an adjustment range of frequency of a PWM signal.
-
公开(公告)号：US20220328600A1
公开(公告)日：2022-10-13
申请号：US17489771
申请日：2021-09-29
Applicant: BOE Technology Group Co., Ltd.
Inventor： Tian DONG
IPC: H01L27/32
Abstract: Disclosed are a display substrate and a manufacturing method thereof, and a display apparatus. The display substrate includes, in a plane parallel to the display substrate, a plurality of gate lines, a plurality of data lines, a plurality of power lines and a plurality of sub-pixels arranged on a base substrate. At least one sub-pixel includes a light-emitting device and a driving circuit configured to drive the light-emitting device to emit light. The driving circuit includes a plurality of transistors and a storage capacitor. The display substrate includes, in a plane perpendicular to the display substrate, a base substrate and a plurality of functional layers. The plurality of functional layers includes a semiconductor layer, a first conductive layer, a second conductive layer, a third conductive layer and a fourth conductive layer which are sequentially arranged.
-
-
-
-
-
-
-
-
-
Search Results
46
records
(took 0.019 seconds)
