公开(公告)号：US10535293B2

公开(公告)日：2020-01-14

申请号：US15993946

申请日：2018-05-31

Applicant: Samsung Display Co., Ltd

Inventor： Jun-Ho Hwang ,  Choonyul Oh ,  Sunjoon Hwang ,  Dongjun Han

IPC: G09G3/20

Abstract: In a method of operating a display device, it is determined whether an image represented by input image data is a single color image, it is determined whether the image represented by the input image data is a low gray image, compensated image data are generated by adding sub-pixel data corresponding to a color different from a color of the single color image to the input image data when the image represented by the input image data is the single color image and the low gray image, and an image is displayed based on the compensated image data.

公开(公告)号：US10854144B2

公开(公告)日：2020-12-01

申请号：US16254450

申请日：2019-01-22

Applicant: Samsung Display Co., Ltd.

Inventor： Si-Beak Pyo ,  Choonyul Oh ,  Jong-Kwang Hwang

IPC: G09G3/3291 ,  G09G3/3233 ,  G09G3/3275

Abstract: A display device includes a display panel, a dimming controller, and a panel driver. The display panel includes a plurality of pixels. The dimming controller generates at least one temporary voltage set by performing a first interpolating operation using a (j)th band voltage set and a (j+1)th band voltage set among first through (i)th band voltage sets corresponding to first through (i)th dimming bands, respectively, and generates a grayscale gamma voltage set corresponding to target luminance by performing a second interpolating operation using the temporary voltage set and the (j)th band voltage set. The panel driver drives the display panel by converting image data into a data signal based on the grayscale gamma voltage set and by providing the data signal to the pixels.