公开(公告)号：US20240194163A1

公开(公告)日：2024-06-13

申请号：US18369210

申请日：2023-09-18

Applicant: Samsung Display Co., Ltd.

Inventor： HYUNCHANG KIM ,  SE-BYUNG CHAE ,  SUBIN KIM ,  Sangmin Lee

IPC: G09G3/36 ,  G09G3/32 ,  G09G3/3258 ,  G09G3/3291

CPC classification number: G09G3/3696 ,  G09G3/32 ,  G09G3/3258 ,  G09G3/3291 ,  G09G3/3688 ,  G09G2310/027 ,  G09G2310/0291 ,  G09G2320/0276

Abstract: A gamma voltage control circuit includes a first amplifier and a second amplifier. The first amplifier is configured to generate a first primitive reference voltage based on a panel power voltage applied to a display panel. The second amplifier is configured to generate a first reference voltage based on the first primitive reference voltage, the panel power voltage and an internal power voltage.

公开(公告)号：US12249269B2

公开(公告)日：2025-03-11

申请号：US18213897

申请日：2023-06-26

Applicant: Samsung Display Co., Ltd.

Inventor： Sangmin Lee ,  Se-Byung Chae ,  Subin Kim ,  Hyunchang Kim

IPC: G09G3/32

Abstract: A data driver includes output channels configured to output data signals, output controllers selectively outputting data signals having a first arrangement or data signals having a second arrangement to output channel groups each of which includes N output channels in response to arrangement control signals, where N is a positive integer greater than or equal to 2, and a control signal generator outputting the arrangement control signals to the output controllers to control the output controllers.

公开(公告)号：US11306386B2

公开(公告)日：2022-04-19

申请号：US16545173

申请日：2019-08-20

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Youngmin Moon ,  Sungsoon Im ,  Jungwoo Ko ,  Sangmin Lee ,  Youngchul Lee ,  Kyuhwan Hwang

IPC: B23K26/03 ,  C23C14/04 ,  B23K26/066 ,  C23C16/04 ,  B23K26/362

Abstract: A mask repairing apparatus may include a stage, a stereoscopic imaging unit to measure a stereoscopic image of a mask on the stage, a control unit to compare the stereoscopic image with a normal image of the mask and to produce a defect image of the mask, and a laser unit to irradiate a laser beam onto a deficient part of the mask, under control of the control unit. The control unit may control the laser unit, based on the defect image, such that the laser beam is sequentially irradiated onto m multiple layers of the deficient part while repeatedly moving in a first direction and a second direction crossing each other.