公开(公告)号：US20240334763A1

公开(公告)日：2024-10-03

申请号：US17927051

申请日：2021-10-28

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Xing ZHANG ,  Pan XU ,  Dacheng ZHANG ,  Ying HAN ,  Guoying WANG ,  Yi CHEN

IPC: H10K59/131 ,  G09G3/3266 ,  H10K59/122 ,  H10K59/80 ,  H10K59/88

CPC classification number: H10K59/131 ,  G09G3/3266 ,  H10K59/122 ,  H10K59/8722 ,  H10K59/873 ,  H10K59/8792 ,  H10K59/88 ,  G09G2310/08

Abstract: A display panel and a display device are provided, the display panel has a display region, a dummy pixel region and a circuit region, the display region a planarization layer and an encapsulation layer. The circuit region includes a plurality of wires and a frame sealant. The frame sealant overlaps with at least a part of the wires, the encapsulation layer overlaps with at least a part of the frame sealant. The planarization layer includes at least one groove in the circuit region, and overlapping with at least a part of the wires. A first side and a second side of the display region include a binding region, and at least one first chip-on-film in the first binding region on the first side and at least one second chip-on-film in the second binding region on the second side are centrosymmetric with respect to a center of the display region.

公开(公告)号：US20230335054A1

公开(公告)日：2023-10-19

申请号：US18028925

申请日：2021-10-22

Applicant: BOE Technology Group Co., Ltd.

Inventor： Yi CHEN ,  Xing ZHANG

IPC: G09G3/3233 ,  G09G3/00

CPC classification number: G09G3/3233 ,  G09G3/006 ,  G09G2300/0852 ,  G09G2310/08 ,  G09G2330/12 ,  G09G2320/0233

Abstract: A pixel compensation circuit includes: a pixel driving circuit including a driving transistor; a detection signal line coupled to the pixel driving circuit and providing a reset signal to a source of the driving transistor or receiving a source voltage of the driving transistor; a sampling module including a switch unit coupled to the detection signal line, a first and second storage units coupled to the switch unit enabling the first storage unit to be connected to the detection signal line, the first storage unit storing a voltage on the detection signal line and taking same as a reference voltage, and enabling the second storage unit to be connected to the detection signal line, the second storage unit storing the source voltage; a comparison and calculation module coupled to the first and second storage units, generates sampling data according to the difference between the reference voltage and the source voltage.

公开(公告)号：US20200074934A1

公开(公告)日：2020-03-05

申请号：US16387954

申请日：2019-04-18

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Fei YANG ,  Xiaolong WEI ,  Lirong WANG ,  Song MENG ,  Yi CHEN

IPC: G09G3/3275

Abstract: The present disclosure provides a source driver, a display device, and a signal transmission method, relating to the field of display technology. The source driver is configured to receive a first data signal from a timing controller, wherein the first data signal carries a control command; and transmit, under control of the control command, a reference clock signal and a sensing data signal to the timing controller simultaneously, wherein the sensing data signal is received by the timing controller under control of the reference clock signal.

公开(公告)号：US20190066578A1

公开(公告)日：2019-02-28

申请号：US15977183

申请日：2018-05-11

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Yi CHEN

IPC: G09G3/3225 ,  G09G3/3291 ,  G09G3/00

Abstract: A detecting method and device for detecting threshold voltages of driving transistors. The detecting method includes: loading data signals and reference signals on respective driving transistors in a detection group; when the respective driving transistors are in a turn-off state, detecting first-electrode voltages of the respective driving transistors; and determining a target adjustment set in the detection group according to the first-electrode voltages of the respective driving transistors and a preset voltage range. For each target driving transistor in the target adjustment set, the detecting method further includes: adjusting at least one of a data signal and a reference signal loaded on the target driving transistor; when the target driving transistor is in the turn-off state, detecting a first-electrode target voltage of the target driving transistor; and determining a threshold voltage of the target driving transistor according to the first-electrode target voltage of the target driving transistor.