公开(公告)号：US11016625B2

公开(公告)日：2021-05-25

申请号：US16761976

申请日：2019-10-16

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Jinqian Wang ,  Tieshi Wang

IPC: G06F3/044 ,  G06F3/041 ,  H01L27/32 ,  H01L51/00

Abstract: A display panel and deformation sensing method thereof, and a display device are provided. The display panel includes a substrate, and a deformation sensing unit on the substrate; the deformation sensing unit includes a first electrode, a second electrode, and a third electrode, the second electrode and the third electrode being configured to form a first capacitor, the first electrode and the second electrode being configured to form a second capacitor, the first electrode and the third electrode being configured to form a third capacitor, and the first capacitor, the second capacitor, and the third capacitor being configured to determine a shape-state of the display panel.

公开(公告)号：US10991306B2

公开(公告)日：2021-04-27

申请号：US16456910

申请日：2019-06-28

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Tieshi Wang ,  Xueling Gao ,  Zhiqiang Xu ,  Chengchung Yang ,  Haoran Liu

IPC: G09G3/3258 ,  G09G3/3233 ,  G09G3/3266

Abstract: A circuit of driving pixel includes a driving transistor, having a first end connected to a first node, a control end connected to a second node, and a second connected to the third node end; a writing circuit, connected a data signal end, a first scanning end and the first node; a first control circuit, connected to a first power end, a light emitting control end and the first node; a reset circuit, connected to a reference signal end, a second scanning end and the second node; a compensation circuit, connected between the second node and the third node; a second control circuit, connected to the third node, a light emitting element and the light emitting control end; and an energy storage circuit, connected between the first power end and the second node. The second end of the light emitting element receives a second voltage signal.

公开(公告)号：US10657859B2

公开(公告)日：2020-05-19

申请号：US16410148

申请日：2019-05-13

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Tieshi Wang ,  Saihua Chen ,  Xuefei Wang ,  Wanpeng Teng ,  Heliang Di ,  Zhihong Du ,  Shanshan Zhou

IPC: G09G3/00 ,  G06F3/14 ,  G06T3/40

Abstract: A testing method for splicing screens is provided. The method includes: outputting an image signal to a display screen, wherein the display screen includes a plurality of splicing screens, the image signal includes a plurality of testing sub pictures, the testing sub pictures are arranged correspondingly to the splicing screens so as to enable the splicing screens to display the corresponding testing sub pictures, and the testing sub pictures include testing contents; and testing the splicing screens through the testing contents, wherein the testing contents include a graduation signal, by which an accurate test is performed on the splicing screens.

公开(公告)号：US10403190B2

公开(公告)日：2019-09-03

申请号：US15975742

申请日：2018-05-09

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Dongxu Han ,  Fei Yang ,  Zhongyuan Wu ,  Yongqian Li ,  Tieshi Wang ,  Zhidong Yuan ,  Can Yuan ,  Chi Zhang ,  Yue Wu

IPC: G09G3/30 ,  G09G3/20 ,  G09G3/3208 ,  G09G5/10 ,  G09G3/00

Abstract: Disclosed are a method for color complementation on a white organic light emitting diode (WOLED) display device, and a display device. The method comprises: (a) acquiring respective first chromaticity coordinates of each of red (R), green (G), blue (B), and white (W) sub-pixel units for a brightness outputted by the WOLED display device; (b) calculating a first complementary color ratio among the R, G, B, and W sub-pixel units; (c) determining a desired brightness of the W sub-pixel unit, and obtaining respective first complementary color brightnesses of each of the R, G, B, and W sub-pixel units, and in turn determining respective second chromaticity coordinates of each of the R, G, B, and W sub-pixel units corresponding to the respective first complementary color brightness of each of the R, G, B, W sub-pixel units; and (d) implementing in iterations steps (a), (b) and (c), so as to obtain a second complementary color ratio among the R, G, B, W sub-pixel units corresponding to the desired brightness of the W sub-pixel unit. Color complementation of the WOLED display device is carried out depending on the second complementary color ratio among the R, G, B, and W sub-pixel units when the brightness outputted by the WOLED display device reaches the desired brightness of W sub-pixel unit.

公开(公告)号：US10403187B2

公开(公告)日：2019-09-03

申请号：US15720038

申请日：2017-09-29

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Dongxu Han ,  Tieshi Wang ,  Pan Xu ,  Wenchao Bao ,  Chi Zhang ,  Zhongyuan Wu

IPC: G09G3/20 ,  G09G3/32 ,  G09G3/36 ,  H04N9/67 ,  G09G3/34 ,  G09G3/00 ,  G09G3/30

Abstract: A gamma voltage debugging method for an electroluminescent display device, including: turning on sub-pixels in a test region to a maximum luminance value, and recording a driving current of an electroluminescent element at this time as a maximum reference current; calculating reference current values corresponding to respective gray scales according to the maximum reference current and a preset formula; and driving the sub-pixels in the test region to emit light, and for each driving current equal to a reference current value, recording a driving voltage value corresponding to the gray scale value as a gamma voltage resulted from the debugging.

公开(公告)号：US20190027081A1

公开(公告)日：2019-01-24

申请号：US15975742

申请日：2018-05-09

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Dongxu Han ,  Fei Yang ,  Zhongyuan Wu ,  Yongqian Li ,  Tieshi Wang ,  Zhidong Yuan ,  Can Yuan ,  Chi Zhang ,  Yue Wu

IPC: G09G3/20 ,  G09G3/3208 ,  G09G5/10

CPC classification number: G09G3/2003 ,  G09G3/006 ,  G09G3/3208 ,  G09G5/10 ,  G09G2300/0452 ,  G09G2320/0242 ,  G09G2320/0626 ,  G09G2320/0666 ,  G09G2360/16

Abstract: Disclosed are a method for color complementation on a white organic light emitting diode (WOLED) display device, and a display device. The method comprises: (a) acquiring respective first chromaticity coordinates of each of red (R), green (G), blue (B), and white (W) sub-pixel units for a brightness outputted by the WOLED display device; (b) calculating a first complementary color ratio among the R, G, B, and W sub-pixel units; (c) determining a desired brightness of the W sub-pixel unit, and obtaining respective first complementary color brightnesses of each of the R, G, B, and W sub-pixel units, and in turn determining respective second chromaticity coordinates of each of the R, G, B, and W sub-pixel units corresponding to the respective first complementary color brightness of each of the R, G, B, W sub-pixel units; and (d) implementing in iterations steps (a), (b) and (c), so as to obtain a second complementary color ratio among the R, G, B, W sub-pixel units corresponding to the desired brightness of the W sub-pixel unit. Color complementation of the WOLED display device is carried out depending on the second complementary color ratio among the R, G, B, and W sub-pixel units when the brightness outputted by the WOLED display device reaches the desired brightness of W sub-pixel unit.

公开(公告)号：US12008960B2

公开(公告)日：2024-06-11

申请号：US18014254

申请日：2021-11-22

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Weixing Liu ,  Kuanjun Peng ,  Bin Qin ,  Xue Dong ,  Fangzhen Zhang ,  Wanpeng Teng ,  Tieshi Wang ,  Wanzhi Chen ,  Kai Guo ,  Chunfang Zhang

IPC: G09G3/3233 ,  H01L27/15 ,  H01L33/06 ,  H01L33/38

CPC classification number: G09G3/3233 ,  H01L27/156 ,  H01L33/06 ,  H01L33/38 ,  G09G2300/0426 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2310/0262 ,  G09G2310/08 ,  G09G2320/0233

Abstract: A pixel driving circuit includes a data writing circuit, a light-emitting control circuit and a light-emitting diode chip. The data writing circuit is electrically connected to a first scanning signal terminal, a data signal terminal and a first node. The light-emitting control circuit is electrically connected to the first node, an enable signal terminal, a first voltage signal terminal and a second node, and is configured to transmit a first voltage signal received at the first voltage signal terminal to the second node. The light-emitting diode chip is electrically connected to the second node and a second voltage signal terminal. The light-emitting diode chip includes a plurality of light-emitting portions. The light-emitting diode chip is configured to drive the plurality of light-emitting portions to emit light in different periods of time respectively or drive at least two light-emitting portions to emit light in a same period of time.

公开(公告)号：US20240105091A1

公开(公告)日：2024-03-28

申请号：US18491531

申请日：2023-10-20

Applicant: BOE Technology Group Co., Ltd.

Inventor： Weixing Liu ,  Wei Qin ,  Kuanjun Peng ,  Tieshi Wang ,  Chunfang Zhang ,  Hui Zhang ,  Changfeng Li ,  Shunhang Zhang ,  Kai Hou ,  Hongrun Wang ,  Liwei Liu ,  Yunsik Im ,  Wanpeng Teng ,  Xiaolong Li ,  Kai Guo ,  Zhiqiang Xu

IPC: G09G3/20 ,  G11C19/28

CPC classification number: G09G3/20 ,  G11C19/287 ,  G09G2300/0408 ,  G09G2310/0267 ,  G09G2310/0286 ,  G09G2310/08

Abstract: The present disclosure provides a gate driving circuit, a method of driving a gate driving circuit, and a display panel. The gate driving circuit includes a plurality of driving units connected in cascade. Each driving unit includes: N shift register units; and a mode control circuit connected to the N shift register units, wherein the mode control circuit is configured to receive a control signal for the driving unit, and connect the N shift register units in one of a plurality of resolution modes under the control of the control signal.

公开(公告)号：US11837137B2

公开(公告)日：2023-12-05

申请号：US17606854

申请日：2021-01-06

Applicant: BOE Technology Group Co., Ltd.

Inventor： Kuanjun Peng ,  Tieshi Wang ,  Hui Zhang

IPC: G09G3/20

CPC classification number: G09G3/2003 ,  G09G2300/0426 ,  G09G2300/0452

Abstract: A display panel, an electronic device and a method are provided. The display panel includes: a base substrate; a plurality of sub-pixels arranged in a matrix; a plurality of data lines and a plurality of gate lines, the data line intersect the gate line; at least some of the plurality of sub-pixels are divided into a plurality of sub-pixel association groups, each sub-pixel association group includes a plurality of sub-pixels of a same color electrically connected to a same data line; the display panel further includes an associated pixel control circuit configured to independently perform data writing on the plurality of sub-pixels of the same color in the sub-pixel association group in the first image display mode; and synchronously perform data writing on the plurality of sub-pixels of the same color electrically connected to the same data line in the sub-pixel association group in the second image display mode.

公开(公告)号：US11547312B2

公开(公告)日：2023-01-10

申请号：US16415282

申请日：2019-05-17

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Tieshi Wang ,  Xueling Gao ,  Zhiqiang Xu

IPC: H04W12/33 ,  A61B5/024 ,  G02B6/42 ,  A61B5/00 ,  G04B47/06 ,  G04G21/02 ,  G06F1/16

Abstract: A smart watch and a method for measuring a pulse information are provided in the present disclosure. The smart watch includes a dial, a watchband, a blood vessel information collecting apparatus, and a processing apparatus. The watchband is connected with the dial. The blood vessel information collecting apparatus is disposed in the watchband and is configured to collect a blood vessel information from an inner side of a wrist of a user. The processing apparatus is connected with the blood vessel information collecting apparatus and is configured to receive and process the blood vessel information to obtain the pulse information of the user.