公开(公告)号：US11562703B2

公开(公告)日：2023-01-24

申请号：US17278984

申请日：2018-12-07

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Huijung Lee ,  Hwaseok Seong ,  Gangmo Koo ,  Younghun Jo

IPC: G09G3/36 ,  G09G3/34

Abstract: A display device is disclosed. The display device comprises a display panel, a backlight unit, and a processor for driving the backlight unit so as to provide light to the display panel, wherein the processor is capable of acquiring a current duty for driving the backlight unit, on the basis of pixel information of an area excluding a text area in an input image, and driving the backlight unit on the basis of the acquired current duty.

公开(公告)号：US12112688B2

公开(公告)日：2024-10-08

申请号：US17549382

申请日：2021-12-13

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Ohjae Kwon ,  Jinyong Park ,  Hwaseok Seong ,  Jinsung Kang

IPC: G09G3/32

CPC classification number: G09G3/32 ,  G09G2300/0452 ,  G09G2320/0233 ,  G09G2320/041 ,  G09G2320/0626

Abstract: A display apparatus may include a display panel including a plurality of light emitting diode (LED) pixels; a panel driver configured to provide a driving signal to the display panel to drive the display panel; a memory storing heating characteristic information of each of a red (R) sub-pixel, a green (G) sub-pixel, and a blue (B) sub-pixel included in each of the plurality of LED pixels; and a processor configured to: obtain an average brightness value corresponding to an input image based on a gray level value of the input image, obtain heating estimation data of the input image based on the gray level value of the input image and the heating characteristic information stored in the memory, modify the obtained average brightness value based on the heating estimation data, and control the panel driver based on the modified average brightness value.

公开(公告)号：US20240274066A1

公开(公告)日：2024-08-15

申请号：US18625813

申请日：2024-04-03

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Seungryong HAN ,  Tetsuya Shigeta ,  Gangmo Koo ,  Hwaseok Seong

IPC: G09G3/32

CPC classification number: G09G3/32 ,  G09G2300/0452 ,  G09G2320/0209 ,  G09G2320/0276

Abstract: A display apparatus includes a display including a plurality of pixels; a memory storing a cross-talk weight for each gradation of adjacent pixels corresponding to a gradation value of a target pixel; and at least one processor configured to: obtain a gradation value of each pixel included in at least one line of pixels among the plurality of pixels, obtain histogram information indicating a number of pixels corresponding to each gradation section based on the obtained gradation value of each pixel in the at least one line of pixels, identify an amount of cross-talk corresponding to a target pixel based on the histogram information and the cross-talk weight for each gradation of adjacent pixels corresponding to a gradation value of the target pixel, and obtain a gradation correction value of the target pixel based on the identified amount of cross-talk.

公开(公告)号：US11605356B2

公开(公告)日：2023-03-14

申请号：US17278984

申请日：2018-12-07

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Huijung Lee ,  Hwaseok Seong ,  Gangmo Koo ,  Younghun Jo

IPC: G09G3/36 ,  G09G3/34

Abstract: A display device is disclosed. The display device comprises a display panel, a backlight unit, and a processor for driving the backlight unit so as to provide light to the display panel, wherein the processor is capable of acquiring a current duty for driving the backlight unit, on the basis of pixel information of an area excluding a text area in an input image, and driving the backlight unit on the basis of the acquired current duty.