公开(公告)号：US20170169788A1

公开(公告)日：2017-06-15

申请号：US15197698

申请日：2016-06-29

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jundal Kim ,  Du-hyun Kim ,  Jaiho Kim ,  Boram Shin ,  Hyunkyu Jo

IPC: G09G3/36

CPC classification number: G09G3/3696 ,  G09G3/3677 ,  G09G3/3688 ,  G09G2300/0809 ,  G09G2330/026 ,  G09G2330/027

Abstract: A voltage generating circuit includes: a first output voltage generator to receive an input voltage, to output a first output voltage, to compare the input voltage with a first reference voltage, and to stop the output of the first output voltage according to the comparison; and a second output voltage generator to receive the input voltage, to output a second output voltage, to compare the input voltage with a second reference voltage, and to stop the output of the second output voltage according to the comparison. The first output voltage generator is to compare first reference voltage data with second reference voltage data, and to change the first reference voltage according to the comparison. The second output voltage generator is to compare the first reference voltage data with the second reference voltage data, and to change the second reference voltage according to the comparison.

公开(公告)号：US12217662B2

公开(公告)日：2025-02-04

申请号：US18585494

申请日：2024-02-23

Applicant: Samsung Display Co., LTD.

Inventor： Minseong Son ,  Sunjoon Hwang ,  Yunseong Kim ,  Boram Shin ,  Seung-Kyu Lee

IPC: G09G3/32

Abstract: A display device includes: a display panel having a first region and a second region defined in the display panel, in which the second region is adjacent to the first region in a first direction. The display panel includes: a first pixel disposed in the first region, a second pixel disposed in the second region, a first bias voltage line electrically connected to the first pixel to transmit a first bias voltage, and a second bias voltage line electrically connected to the second pixel to transmit a second bias voltage. A time point, at which a level of the first bias voltage is changed, differs from a time point at which a level of the second bias voltage is changed, when the display panel operates at a first frame frequency.

公开(公告)号：US12094408B2

公开(公告)日：2024-09-17

申请号：US17965237

申请日：2022-10-13

Applicant: Samsung Display Co., Ltd.

Inventor： Hyo-Sang Yang ,  Sungjin Kim ,  Boram Shin

IPC: G09G3/32 ,  G09G3/3233 ,  G09G3/3275

CPC classification number: G09G3/3233 ,  G09G3/3275 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2310/0291 ,  G09G2310/08 ,  G09G2330/021 ,  G09G2330/028

Abstract: A display device includes: a display panel which receives a driving voltage and an initialization voltage; a power manager which provides the driving voltage to the display panel; and a voltage generator which receives a feedback driving voltage from the display panel and generates the initialization voltage based on the feedback driving voltage. The feedback driving voltage is a voltage that is fed back to the voltage generator after the driving voltage supplied from the power manager passes through the display panel.

公开(公告)号：US10078994B2

公开(公告)日：2018-09-18

申请号：US15197698

申请日：2016-06-29

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jundal Kim ,  Du-hyun Kim ,  Jaiho Kim ,  Boram Shin ,  Hyunkyu Jo

IPC: G09G3/36

CPC classification number: G09G3/3696 ,  G09G3/3677 ,  G09G3/3688 ,  G09G2300/0809 ,  G09G2330/026 ,  G09G2330/027

Abstract: A voltage generating circuit includes: a first output voltage generator to receive an input voltage, to output a first output voltage, to compare the input voltage with a first reference voltage, and to stop the output of the first output voltage according to the comparison; and a second output voltage generator to receive the input voltage, to output a second output voltage, to compare the input voltage with a second reference voltage, and to stop the output of the second output voltage according to the comparison. The first output voltage generator is to compare first reference voltage data with second reference voltage data, and to change the first reference voltage according to the comparison. The second output voltage generator is to compare the first reference voltage data with the second reference voltage data, and to change the second reference voltage according to the comparison.