公开(公告)号：US12175944B2

公开(公告)日：2024-12-24

申请号：US18145078

申请日：2022-12-22

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Seokgyu Ban ,  Wook Lee ,  Jaehoon Shin

IPC: G09G3/3291

Abstract: A display apparatus includes a display panel, a compensator, a controller, and a data driver. The compensator determines a degradation grayscale of a compensation region of the display panel. The degradation grayscale may be determined based on a driving time of at least one pixel in the compensation region and degradation data corresponding to the at least one pixel. The controller generates compensated image data for input image data based on the degradation grayscale. The data driver provides a data voltage to the at least one pixel based on the compensated image data.

公开(公告)号：US12260818B2

公开(公告)日：2025-03-25

申请号：US18195684

申请日：2023-05-10

Applicant: Samsung Display Co., LTD.

Inventor： Hayong Jung ,  Wook Lee ,  Sung Hwan Kim ,  Jaehoon Shin

IPC: G09G3/32 ,  G09G3/3233

Abstract: A sensing circuit includes a first line selection switch which connects a first sensing line to a sensing channel in a first sub-sensing period, a first noise selection switch which connects the first sensing line to a reference channel in a second sub-sensing period, a second line selection switch which connects a second sensing line to the sensing channel in the second sub-sensing period, and a second noise selection switch which connects the second sensing line to the reference channel in the first sub-sensing period. The sensing channel samples a first sensing voltage and noise of the first sensing line and the reference channel samples noise of the second sensing line in a first sampling period, and the sensing channel samples a second sensing voltage and noise of the second sensing line and the reference channel samples noise of the first sensing line in a second sampling period.

公开(公告)号：US11551622B2

公开(公告)日：2023-01-10

申请号：US17643850

申请日：2021-12-13

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Seokgyu Ban ,  Wook Lee ,  Jaehoon Shin

IPC: G09G3/3291

Abstract: A display apparatus includes a display panel, a compensator, a controller, and a data driver. The compensator determines a degradation grayscale of a compensation region of the display panel. The degradation grayscale may be determined based on a driving time of at least one pixel in the compensation region and degradation data corresponding to the at least one pixel. The controller generates compensated image data for input image data based on the degradation grayscale. The data driver provides a data voltage to the at least one pixel based on the compensated image data.

公开(公告)号：US11915650B2

公开(公告)日：2024-02-27

申请号：US17986342

申请日：2022-11-14

Applicant: Samsung Display Co., Ltd.

Inventor： Hayong Jung ,  Jung-Taek Kim ,  Joonsuk Baik ,  Jaehoon Shin ,  Wook Lee

IPC: G09G3/3233

CPC classification number: G09G3/3233 ,  G09G2300/0426 ,  G09G2300/0819 ,  G09G2300/0852 ,  G09G2310/08 ,  G09G2320/0233 ,  G09G2320/045

Abstract: A sensing circuit of a display device includes a sensing line initialization circuit which substantially simultaneously initializes a first sensing line and a second sensing line in a first sub-sensing period of a sensing period, a first line selection switch which couples the first sensing line to a sensing channel in the first sub-sensing period, a second line selection switch which couples the second sensing line to the sensing channel in a second sub-sensing period of the sensing period, and the sensing channel which samples a first sensing voltage of the first sensing line in a first sampling period of the first sub-sensing period, and samples a second sensing voltage of the second sensing line in a second sampling period of the second sub-sensing period. The second sensing line is not initialized during a period from the first sampling period to the second sampling period.