公开(公告)号：US20250124848A1

公开(公告)日：2025-04-17

申请号：US19002741

申请日：2024-12-27

Applicant: Samsung Display Co., Ltd.

Inventor： HYUNCHANG KIM ,  SE-BYUNG CHAE

IPC: G09G3/20 ,  G05F1/46

Abstract: A power voltage generator includes an analog reference voltage generator configured to generate an analog reference voltage based on a first input voltage, a resistance string configured to generate distribution voltages by performing voltage distribution on the analog reference voltage, a decoding unit configured to generate reference voltages by decoding the distribution voltages, and a regulator unit configured to generate driving voltages based on the reference voltages.

公开(公告)号：US20230133606A1

公开(公告)日：2023-05-04

申请号：US17869200

申请日：2022-07-20

Applicant: Samsung Display Co., Ltd.

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

IPC: G09G3/20 ,  G09G3/3275 ,  G09G3/3266 ,  G09G3/00

Abstract: Disclosed is a display device, which includes a display panel, a controller that receives an image signal and an external synchronization signal and generates a control signal, and a driver that generates a driving signal in response the control signal and provides the driving signal to the display panel. The controller includes a synchronization signal generator that generates an internal synchronization signal based on a reference clock signal, a corrector that corrects the internal synchronization signal to generate a corrected synchronization signal, and a control signal generator that generates the control signal, and the control signal generator generates the control signal based on the external synchronization signal when the external synchronization signal is in a normal state, and generates the control signal based on the internal synchronization signal when the external synchronization signal is in an abnormal state.

公开(公告)号：US20250069542A1

公开(公告)日：2025-02-27

申请号：US18943914

申请日：2024-11-12

Applicant: Samsung Display Co., Ltd.

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

IPC: G09G3/20 ,  G09G3/00 ,  G09G3/3266 ,  G09G3/3275

Abstract: Disclosed is a display device, which includes a display panel, a controller that receives an image signal and an external synchronization signal and generates a control signal, and a driver that generates a driving signal in response the control signal and provides the driving signal to the display panel. The controller includes a synchronization signal generator that generates an internal synchronization signal based on a reference clock signal, a corrector that corrects the internal synchronization signal to generate a corrected synchronization signal, and a control signal generator that generates the control signal, and the control signal generator generates the control signal based on the external synchronization signal when the external synchronization signal is in a normal state, and generates the control signal based on the internal synchronization signal when the external synchronization signal is in an abnormal state.

公开(公告)号：US20240177648A1

公开(公告)日：2024-05-30

申请号：US18376468

申请日：2023-10-04

Applicant: Samsung Display Co., Ltd.

Inventor： HYUNCHANG KIM ,  SE-BYUNG CHAE

IPC: G09G3/20 ,  G05F1/46

CPC classification number: G09G3/2096 ,  G05F1/46 ,  G09G3/20 ,  G09G2310/0291 ,  G09G2320/0673 ,  G09G2330/028

Abstract: A power voltage generator includes an analog reference voltage generator configured to generate an analog reference voltage based on a first input voltage, a resistance string configured to generate distribution voltages by performing voltage distribution on the analog reference voltage, a decoding unit configured to generate reference voltages by decoding the distribution voltages, and a regulator unit configured to generate driving voltages based on the reference voltages.

公开(公告)号：US20240096266A1

公开(公告)日：2024-03-21

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

CPC classification number: G09G3/32 ,  G09G2310/0275 ,  G09G2310/08 ,  G09G2330/021

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：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：US20230282174A1

公开(公告)日：2023-09-07

申请号：US17992325

申请日：2022-11-22

Applicant: Samsung Display Co., Ltd.

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

IPC: G09G3/3291

CPC classification number: G09G3/3291 ,  G09G2310/027 ,  G09G2320/0626 ,  G09G2320/0242

Abstract: A display device may include a display panel which includes pixels, a data driver which provides data voltages corresponding to output image data to the pixels, and a data converter which generates a compensation grayscale from reference compensation values for compensating at least one selected from a color shift and a luminance shift corresponding to a temperature based on an input temperature, an input grayscale included in input image data, and an input luminance, and converts the input image data into the output image data based on the compensation grayscale.