公开(公告)号：US20250104608A1

公开(公告)日：2025-03-27

申请号：US18755073

申请日：2024-06-26

Applicant: Samsung Display Co., LTD.

Inventor： DONGGYU LEE ,  SEHYUK PARK ,  JIN-WOOK YANG ,  JAE-HYEON JEON

IPC: G09G3/32 ,  G09G3/3225

Abstract: A display device includes a display panel that includes a plurality of pixels and displays an image corresponding to each of a plurality of frames, and a drive controller that receives an image signal and drives the plurality of frames at a plurality of driving frequencies. The drive controller includes a representative frequency calculator, a compensation signal calculator, and a data compensation unit that receives an image signal and outputs a compensation data signal by adding a gray of the image signal and a gray value based on a data correction lookup table in which the gray value is stored. Luminance of the image is controlled based on the compensation signal and the compensation data signal.

公开(公告)号：US20240404464A1

公开(公告)日：2024-12-05

申请号：US18391894

申请日：2023-12-21

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： JIN-WOOK YANG ,  DONGGYU LEE ,  JAE-HYEON JEON ,  YU-CHOL KIM

IPC: G09G3/3233 ,  G09G3/20 ,  G09G3/3258

Abstract: A display device including: a display panel including a pixel; and a panel driver configured to provide a reference voltage and a data voltage to the pixel, wherein the pixel emits light with a luminance corresponding to a difference between the reference voltage and the data voltage, and when the reference voltage changes, and a range of the data voltage is shifted by a voltage level that corresponds to the amount of change in the reference voltage.

公开(公告)号：US20240296787A1

公开(公告)日：2024-09-05

申请号：US18661597

申请日：2024-05-11

Applicant: Samsung Display Co., LTD.

Inventor： JIN-WOOK YANG ,  YU-CHOL KIM ,  DONGGYU LEE ,  JAE-HYEON JEON

IPC: G09G3/32

CPC classification number: G09G3/32 ,  G09G2310/0216 ,  G09G2310/0267 ,  G09G2330/028

Abstract: A pixel includes: a light-emitting element including an anode and a cathode, a first transistor including a first and a second electrode and a gate electrode connected with a first node, a third transistor connected between the second electrode of the first transistor and the first node and including a gate electrode connected with a first scan line, a sixth transistor connected between the second electrode of the first transistor and the anode and including a gate electrode connected with a first emission line, and a seventh transistor connected between the anode and an initialization voltage line and including a gate electrode connected with a second scan line. During an initialization period, the third, sixth, and seventh transistors are turned on such that an initialization voltage from the initialization voltage line is transferred to the gate electrode of the first transistor.

公开(公告)号：US20240185752A1

公开(公告)日：2024-06-06

申请号：US18442589

申请日：2024-02-15

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： SEHYUK PARK ,  JINYOUNG ROH ,  WOOMI BAE ,  HAE-KWAN SEO ,  YOUNGHA SOHN ,  JIN-WOOK YANG

IPC: G09G3/20

CPC classification number: G09G3/2003 ,  G09G2300/0452 ,  G09G2310/027 ,  G09G2310/0297 ,  G09G2330/021

Abstract: A display device includes four pixel arrays, a data driver, and a demultiplexer. The data driver is electrically connected to first and second data output lines. The demultiplexer electrically connects first and second data lines to the first data output line and electrically connects third and fourth data lines to the second data output line. The first to fourth pixel arrays are adjacent to the first to fourth data lines, respectively. Each of the first to fourth pixel arrays includes first and second color pixels. The first color pixels in the second pixel array are connected to the second data line, the second color pixels in the second pixel array are connected to the third data line, the second color pixels in the third pixel array are connected to the third data line, and the first color pixels in the third pixel array are connected to the second data line.

公开(公告)号：US20240062694A1

公开(公告)日：2024-02-22

申请号：US18191542

申请日：2023-03-28

Applicant: SAMSUNG DISPLAY CO. LTD.

Inventor： DONGGYU LEE ,  SEHYUK PARK ,  JIN-WOOK YANG ,  JAE-HYEON JEON

IPC: G09G3/20

CPC classification number: G09G3/20 ,  G09G2310/0264 ,  G09G2340/0435

Abstract: A display system includes a host processor configured to provide frame data using a scan order, and a display device including a display panel including pixels and a display panel driver configured to refresh the pixels according using the frame data and to provide the scan order to the host processor.

公开(公告)号：US20240013728A1

公开(公告)日：2024-01-11

申请号：US18106008

申请日：2023-02-06

Applicant: Samsung Display Co., Ltd.

Inventor： DONGGYU LEE ,  JIN-WOOK YANG ,  JAE-HYEON JEON

IPC: G09G3/3266 ,  G09G3/3233

CPC classification number: G09G3/3266 ,  G09G3/3233 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2300/0861 ,  G09G2310/08 ,  G09G2320/02 ,  G09G2340/0435

Abstract: A display device includes a display panel including pixels, and a display panel driver which starts a scan operation in synchronization with an input timing of input image data, performs the scan operation every a scan cycle in one frame, and delays a start of the scan operation of an (N+1)-th frame until the scan operation of an N-th frame ends when the input image data of the (N+1)-th frame is input during the scan operation of the N-th frame, where N is a positive integer.

公开(公告)号：US20240005847A1

公开(公告)日：2024-01-04

申请号：US18127341

申请日：2023-03-28

Applicant: Samsung Display Co., Ltd.

Inventor： JIN-WOOK YANG ,  YU-CHOL KIM ,  SEHYUK PARK ,  DONGGYU LEE ,  JAE-HYEON JEON

IPC: G09G3/32

CPC classification number: G09G3/32 ,  G09G2310/08 ,  G09G2310/0275 ,  G09G2310/0267

Abstract: A display device includes: a pixel electrically connected to a data line, a write scan line, an initialization scan line, a compensation scan line, a transmission control line, and an emission control line; a first driving circuit configured to provide a write scan signal to the write scan line and a second driving circuit configured to receive a plurality of clock signals, each of which has a time duration of one unit horizontal period and provide an initialization scan signal, a compensation scan signal, a transmission control signal, and an emission control signal to the initialization scan line, the compensation scan line, the transmission control line, and the emission control line, respectively. Each of the initialization scan signal and the compensation scan signal has an activation interval of one unit horizontal periods or more.

公开(公告)号：US20230410742A1

公开(公告)日：2023-12-21

申请号：US18126650

申请日：2023-03-27

Applicant: Samsung Display Co., Ltd.

Inventor： DONGGYU LEE ,  JIN-WOOK YANG ,  JAE-HYEON JEON

IPC: G09G3/3233

CPC classification number: G09G3/3233 ,  G09G2300/0842 ,  G09G2300/0819 ,  G09G2300/0861 ,  G09G2310/0264 ,  G09G2310/08 ,  G09G2330/021

Abstract: A display device includes: a display panel and a panel driver for driving the display panel during a plurality of driving frames whose frequencies are varied. Among the driving frames, a first driving frame having a first frequency includes a first write period, and a second driving frame having a second frequency lower than the first frequency includes a second write period and a variable blank period. The panel driver includes a data driver and a driving controller. Each of the first and second write periods includes N horizontal periods (N is an integer number equal to or greater than 1), each of the N horizontal periods has a first duration, and each of the first and second write periods has a second duration corresponding to N times of the first duration. The driving controller applies a training synchronizing signal to the data driver during the variable blank period.

公开(公告)号：US20230215337A1

公开(公告)日：2023-07-06

申请号：US17956111

申请日：2022-09-29

Applicant: Samsung Display Co., Ltd.

Inventor： SOON-DONG KIM ,  TAEHOON KIM ,  JIN-WOOK YANG ,  CHANGNOH YOON

IPC: G09G3/20 ,  G09G3/32

CPC classification number: G09G3/2096 ,  G09G3/32 ,  G09G2310/08 ,  G09G2300/0819 ,  G09G2330/028 ,  G09G2310/0267 ,  G09G2310/0275

Abstract: A display device includes a display panel including a first pixel connected to a first initialization scan line and a first compensation scan line and a second pixel connected to a second initialization scan line and a second compensation scan line, a scan driving circuit which provides a first initialization scan signal to the first initialization scan line and the second initialization scan line in common and provides a first compensation scan signal and a second compensation scan signal to the first compensation scan line and the second compensation scan line, and a driving controller which controls the scan driving circuit. A delay time from a time point at which the first initialization scan signal transitions from an active level to an inactive level to a time point at which the first compensation scan signal transitions from the inactive level to the active level is less than one horizontal period.

公开(公告)号：US20230086857A1

公开(公告)日：2023-03-23

申请号：US17861706

申请日：2022-07-11

Applicant: Samsung Display Co., Ltd.

Inventor： DONGGYU LEE ,  JAE-HYEON JEON ,  JIN-WOOK YANG

IPC: G09G3/20 ,  G09G3/3233

Abstract: A driving controller of a display device includes a memory that stores an input image signal in response to a control signal, a scan signal generator outputs an internal scan signal in response to the control signal, and a multiplexer outputs one of the input image signal and a storage image signal as an output image signal in response to the control signal and the internal scan signal. The storage image signal is provided from the memory, and the memory outputs the storage image signal in response to the internal scan signal.