公开(公告)号：US12112682B2

公开(公告)日：2024-10-08

申请号：US17895623

申请日：2022-08-25

Applicant: Samsung Display Co., Ltd.

Inventor： Seongjun Kim ,  Youngsoo Sohn ,  Jae Woo Ryu ,  Kwan-Young Oh ,  Seungyoung Choi

IPC: G09G3/20

CPC classification number: G09G3/2092 ,  G09G2310/027

Abstract: A display apparatus includes a display panel, a driving controller, a gate driver and a data driver. The driving controller is configured to insert a compensation image to first image data including a normal image to generate second image data. The gate driver is configured to shift an output time of a gate signal and to output the gate signal having a shifted output time to the display panel. The data driver is configured to generate a data voltage based on the second image data and to output the data voltage to the display panel. A gate shift amount when the compensation image is applied is substantially the same as a gate shift amount immediately before the compensation image is applied.

公开(公告)号：US11984057B2

公开(公告)日：2024-05-14

申请号：US17814129

申请日：2022-07-21

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Seungyoung Choi ,  Seongjun Kim ,  Jae Woo Ryu ,  Youngsoo Sohn ,  Kwan-Young Oh

IPC: G09G3/32 ,  G09G3/20 ,  G09G3/3208 ,  G09G3/3266 ,  G09G3/3275 ,  G09G3/36

CPC classification number: G09G3/2092 ,  G09G3/32 ,  G09G3/20 ,  G09G3/3208 ,  G09G3/3266 ,  G09G3/3275 ,  G09G3/3607 ,  G09G2310/0218 ,  G09G2310/0248 ,  G09G2310/0267 ,  G09G2310/0275 ,  G09G2310/061 ,  G09G2310/062 ,  G09G2310/08 ,  G09G2320/0233 ,  G09G2320/0261 ,  G09G2320/0626 ,  G09G2320/064 ,  G09G2320/0646 ,  G09G2340/16

Abstract: A display device includes a display panel, controller configured to generate a second data enable signal and second image data based on a first data enable signal and first image data, and generate an output data enable signal and output image data by performing a black data insertion operation, and data driver configured to provide data signals based on the output data enable signal and the output image data, where the controller obtains a delay time between the first data enable signal and the second data enable signal or the first image data and the second image data, determines a number of subsequent pulses of the output data enable signal during a period from one time point within a frame period to an end time point of the frame period, and adjusts a cycle of the subsequent pulses based on the delay time and the number of the subsequent pulses.

公开(公告)号：US09668316B2

公开(公告)日：2017-05-30

申请号：US14749220

申请日：2015-06-24

Applicant: Samsung Display Co., Ltd.

Inventor： Seungyoung Choi ,  Dae-sik Lee

IPC: H05B33/08 ,  G09G3/00 ,  G09G3/34

CPC classification number: H05B33/0887 ,  G09G3/00 ,  G09G3/3406 ,  G09G2330/08 ,  H05B33/0815 ,  H05B33/0827 ,  Y02B20/341 ,  Y02B20/346

Abstract: According to an exemplary embodiment, a backlight unit includes a plurality of light emitting strings, and a driving controller configured to detect source voltages of a plurality of light transistors provided in the light emitting strings. The driving controller is further configured to compare a source voltage of each of the light transistors with an overcurrent protection voltage and to turn off an operation of a corresponding light transistor having a source voltage level higher than the overcurrent protection voltage. The backlight unit further includes a first comparator configured to compare the source voltage of the corresponding light transistor with a reference source voltage to output a feedback voltage according to the compared result; and a first switch configured to electrically connect the first comparator to a gate terminal of the corresponding light transistor, wherein the first switch operates in response to an overcurrent protection signal.