公开(公告)号：US20230043004A1

公开(公告)日：2023-02-09

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

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：US20240346990A1

公开(公告)日：2024-10-17

申请号：US18752432

申请日：2024-06-24

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Seungryong HAN ,  Tetsuya SHIGETA ,  Gangmo KOO ,  Hwaseok SEONG

IPC: G09G3/32

CPC classification number: G09G3/32 ,  G09G2300/0842 ,  G09G2320/0209 ,  G09G2320/0276

Abstract: A display device including: a display including a plurality of pixels in a plurality of pixel lines; a memory for storing a first cross-talk and a second cross-talk weight; and at least one processor configured to: simultaneously apply an image signal to the plurality of pixel lines; acquire a plurality of grayscale values and a plurality of grayscale sections of each of the plurality of pixels; acquire, based on the plurality of grayscale values, first histogram and second histogram information; identify a first cross-talk amount based on the first histogram information and the first cross-talk weight; identify a second cross-talk amount based on the second histogram information and the second cross-talk weight; acquire grayscale correction data of the target pixel based on the first cross-talk amount and the second cross-talk amount; and acquire a corrected grayscale value of the target pixel based on the grayscale correction data.

公开(公告)号：US20220036837A1

公开(公告)日：2022-02-03

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: G09G3/34 ,  G09G3/36

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.