公开(公告)号：US20240153425A1

公开(公告)日：2024-05-09

申请号：US18329239

申请日：2023-06-05

Applicant: Samsung Electronics Co., Ltd.

Inventor： Taek Su KWON ,  Woojoo KIM ,  Dongwook SUH

IPC: G09G3/20

CPC classification number: G09G3/20 ,  G09G2310/0275 ,  G09G2310/0286 ,  G09G2310/0289 ,  G09G2310/0291 ,  G09G2310/08

Abstract: Some example embodiments provides a display device including: a display panel on which a plurality of data lines are positioned; a source driver including a plurality of output switches connected to the plurality of data lines and supplying a plurality of data signals to the plurality of data lines during a period in which the plurality of output switches are turned on by an output control signal; and a source control circuit that differently controls an on-slew rate of the output control signal for each of a plurality of display areas of the display panel according to a distance between each display area and the source driver.

公开(公告)号：US20220083085A1

公开(公告)日：2022-03-17

申请号：US17369185

申请日：2021-07-07

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Dongyeol LEE ,  Dongwook SUH

IPC: G05F1/563 ,  G05F1/575 ,  G09G3/20

Abstract: An electronic device includes a power management device configured to supply a plurality of input voltages; a power module configured to generate an output voltage using at least one of the plurality of input voltages, and to output the generated output voltage; and a system load configured to operate by receiving the output voltage, wherein the power module includes: a first power module configured to receive a first input voltage from the power management device, and to generate a first output current using the first input voltage; and a second power module configured to receive a second input voltage from the power management device, and to generate a second output current using the second input voltage based on the first input voltage being lower than a first reference voltage.

公开(公告)号：US20220415230A1

公开(公告)日：2022-12-29

申请号：US17679436

申请日：2022-02-24

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Taek Su KWON ,  Woojoo KIM ,  Dongwook SUH

IPC: G09G3/20

Abstract: Disclosed is a source amplifier which includes a first circuit that outputs a first current to an output terminal of the source amplifier by amplifying an input voltage, and a second circuit that is connected with the first circuit and outputs a second current to the output terminal based on the input voltage. The second circuit includes a third circuit that adjusts a level of the second current in response to an enable signal.