公开(公告)号：US20250103078A1

公开(公告)日：2025-03-27

申请号：US18892081

申请日：2024-09-20

Applicant: Samsung Display Co., Ltd.

Inventor： MOONJAE JEONG

IPC: G05F1/575 ,  G09G3/32 ,  G09G3/3225

Abstract: A voltage regulator for outputting a pixel power supply voltage supplied to pixels of a display panel includes a voltage divider configured to generate a feedback voltage by dividing the pixel power supply voltage, an error amplifier configured to generate an amplifier output voltage by comparing a reference voltage and the feedback voltage, a variable phase compensating circuit configured to adjust the amplifier output voltage according to a load current, a source follower buffer configured to generate a control voltage by buffering the adjusted amplifier output voltage, and a pass transistor configured to output, as the pixel power supply voltage, an input voltage based on the control voltage.

公开(公告)号：US20230419913A1

公开(公告)日：2023-12-28

申请号：US18213956

申请日：2023-06-26

Applicant: SAmsung Display Co. Ltd.

Inventor： KEUMDONG JUNG ,  Jaesang KIM ,  JIWOONG KIM ,  HYUNGGUN MA ,  Taehun LEE ,  MOONJAE JEONG ,  SANGHYUN HEO

IPC: G09G3/3275 ,  G06F3/041

CPC classification number: G09G3/3275 ,  G06F3/0416 ,  G09G2310/027 ,  G09G2320/0276 ,  G09G2300/0814 ,  G09G2310/0291

Abstract: A display device including: a display panel including a plurality of pixels; an input sensor disposed on the display panel and including detection electrodes; a data driving circuit configured to output data signals or detection driving signals; and a selection circuit configured to provide the data signals to the plurality of pixels in response to a first enable signal and provide the detection driving signals to the detection electrodes in response to a second enable signal.