公开(公告)号：US20230091012A1

公开(公告)日：2023-03-23

申请号：US17439522

申请日：2021-02-09

Applicant: Hefei BOE Joint Technology Co., Ltd. ,  BOE Technology Group Co., Ltd.

Inventor： Zhidong YUAN ,  Yongqian LI ,  Meng LI ,  Can YUAN ,  Min HE ,  Chao JIAO

IPC: G09G3/3233

Abstract: This application relates to display panels, methods of driving the same, and display devices. The display panel includes: a first pixel circuit and a demultiplexing circuit. The first pixel circuit includes a first reset circuit, a first data writing circuit, and a first drive circuit. A first terminal of the first reset circuit is connected to a first terminal of the first drive circuit. A second terminal of the first reset circuit is connected to a first multiplexing signal line. A control terminal of the first drive circuit is connected to a first terminal of the first data writing circuit. A second terminal of the first data writing circuit is connected to the first multiplexing signal line. The demultiplexing circuit includes a first control circuit and a second control circuit. A first terminal of the first control circuit is connected to the first multiplexing signal line. A second terminal of the first control circuit is used for receiving a reset signal. A first terminal of the second control circuit is connected to the first multiplexing signal line. A second terminal of the second control circuit is used for receiving a first data signal.

公开(公告)号：US20240172480A1

公开(公告)日：2024-05-23

申请号：US17779143

申请日：2021-07-12

Applicant: Hefei BOE Joint Technology Co.,Ltd. ,  BOE Technology Group Co., Ltd.

Inventor： Can YUAN ,  Yongqian LI ,  Maoning ZHANG ,  Chao JIAO ,  Zhidong YUAN ,  Dacheng ZHANG

IPC: H10K59/121 ,  H10K59/12 ,  H10K59/122 ,  H10K59/126 ,  H10K59/131 ,  H10K59/35 ,  H10K59/80

CPC classification number: H10K59/1216 ,  H10K59/1201 ,  H10K59/122 ,  H10K59/126 ,  H10K59/131 ,  H10K59/351 ,  H10K59/80524

Abstract: Provided is a display substrate and a manufacturing method therefor, and a display apparatus. The display substrate includes multiple sub-pixels, at least one sub-pixel includes a drive circuit layer disposed on the substrate, the drive circuit layer includes a ring storage capacitor constituting a pixel drive circuit; the ring storage capacitor includes a first electrode plate and a second electrode plate, wherein, the first electrode plate includes a first housing surrounding at least one first opening and the second electrode plate includes a second housing surrounding at least one second opening; an orthographic projection of the first housing on the substrate at least partially overlaps an orthographic projection of the second housing on the substrate, and the first housing and the second housing form a capacitor housing around at least one capacitor opening.

公开(公告)号：US20210074210A1

公开(公告)日：2021-03-11

申请号：US16840176

申请日：2020-04-03

Applicant: HEFEI BOE JOINT TECHNOLOGY CO., LTD. ,  BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Zhidong YUAN ,  Taejin KIM ,  Yongqian LI ,  Lin SUN ,  Chao JIAO ,  Can YUAN ,  Zehua DING ,  Xuehuan FENG ,  Meng LI

IPC: G09G3/3233

Abstract: A pixel driving circuit, array substrate, display device and method for driving the pixel driving circuit are provided, the circuit includes: a control terminal and a first terminal of a driving switch circuit are respectively coupled to a first terminal of a data input switch circuit and an anode of a light-emitting device, and two terminals of a storage capacitor are respectively coupled to the control terminal of the driving switch circuit and the anode of the light-emitting device, two terminals of an intrinsic capacitor are respectively coupled to a cathode and the anode of the light-emitting device, a first terminal and a second terminal of a reset switch circuit are respectively coupled to the anode and the cathode of the light-emitting device, a capacitance of the intrinsic capacitor is greater than or equal to a preset multiple of a capacitance of the storage capacitor.

公开(公告)号：US20210366836A1

公开(公告)日：2021-11-25

申请号：US16605494

申请日：2019-04-10

Applicant: Hefei Xinsheng Optoelectronics Technology Co., Ltd. ,  BOE Technology Group Co., Ltd.

Inventor： Tao MA ,  Chao JIAO

IPC: H01L23/544 ,  H01L27/12

Abstract: Disclosed herein is a substrate of a display panel, comprising: a support; a first alignment mark on the support; a first dielectric layer covering the first alignment mark; an auxiliary alignment mark aligned with the first alignment mark, wherein the auxiliary alignment mark comprises a recess into the first dielectric layer. Further disclosed herein is a display panel comprising the substrate, and a system comprising the display panel. Also disclosed herein is a method comprising: forming a first alignment mark on a support; forming a first dielectric layer covering the first alignment mark; and forming an auxiliary alignment mark aligned with the first alignment mark; wherein the auxiliary alignment mark comprises a recess into the first dielectric layer.

公开(公告)号：US20190058026A1

公开(公告)日：2019-02-21

申请号：US15765178

申请日：2017-07-07

Applicant: BOE TECHNOLOGY GROUP CO., LTD. ,  HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD

Inventor： Can YUAN ,  Yongqian LI ,  Pan XU ,  Chao JIAO

IPC: H01L27/32 ,  H01L27/12

Abstract: The present application provides an array substrate, which includes a base substrate, and a first electrode, a first protection layer, a semiconductor electrode, a second protection layer and a second electrode formed sequentially on the base substrate. The second electrode and the semiconductor electrode constitute a storage capacitor, and the first electrode is below the semiconductor electrode to make the semiconductor electrode conductive. In a direction perpendicular to the base substrate, the thickness of at least a portion of the first protection layer in the first electrode area is less than that of other portions of the first protection layer outside the first electrode area, the first electrode area being an area defined by the projection of the first electrode on the first protection layer.