公开(公告)号：US20210287595A1

公开(公告)日：2021-09-16

申请号：US17198441

申请日：2021-03-11

Applicant: Samsung Display Co., Ltd.

Inventor： Tae Hyeong AN ,  Hoi Sik MOON ,  Yoon Gu KIM ,  Jin Pil KIM ,  Jae Sung BAE ,  Nam Jae LIM ,  Ik Hyun AHN ,  Seung Young CHOI

IPC: G09G3/20

Abstract: A display apparatus includes a display panel, a driving controller and a data driver. The driving controller processes input image data according to a variable input frequency and generates a data signal having a varied frame length. The data driver converts the data signal into a data voltage and outputs the data voltage to the display panel. The driving controller determines a variable frequency mode and generates an asymmetric data signal including a positive data signal and a negative data signal which are asymmetric with respect to a common voltage for a same grayscale value in the variable frequency mode.

公开(公告)号：US20190392776A1

公开(公告)日：2019-12-26

申请号：US16372760

申请日：2019-04-02

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Suk Jin PARK ,  Yoon Gu KIM ,  Jae Hyoung PARK ,  Akihiro TAKEGAMA

IPC: G09G3/36

Abstract: A display device includes a first data driver which is disposed at an upper side of a display panel and supplies a data signal to data lines of a plurality of data lines, a second data driver which is disposed at a lower side of the display panel and supplies a data signal to remaining data lines of the plurality of data lines, and a signal controller which outputs a corrected image signal, based on a first lookup table which stores a correction value of a first input image signal for the first data driver and a second lookup table which stores a correction value of a second input image signal for the second data driver.

公开(公告)号：US20150035866A1

公开(公告)日：2015-02-05

申请号：US14103035

申请日：2013-12-11

Applicant: Samsung Display Co., Ltd.

Inventor： Ik Hyun AHN ,  Yoon Gu KIM ,  Bong Im PARK ,  Seon Ki KIM ,  Ah Young SON

IPC: G09G5/10

CPC classification number: G09G5/10 ,  G09G3/3648 ,  G09G2300/0426 ,  G09G2310/0205 ,  G09G2310/0251 ,  G09G2320/0233 ,  G09G2320/0238 ,  G09G2320/0252 ,  G09G2320/0271

Abstract: A display device includes a signal controller and a data driver. The signal controller processes an input image signal to generate an output image signal. The signal controller processes the input image signal using a correction unit. The correction unit corrects the input image signal to a first gray scale value greater than 0 gray scale value when the gray scale value of the input image signal is 0. The output image signal is based on the corrected input image signal. The data driver converts the output image signal into a data voltage to be applied to a display panel.

Abstract translation: 显示装置包括信号控制器和数据驱动器。 信号控制器处理输入图像信号以产生输出图像信号。 信号控制器使用校正单元处理输入图像信号。 当输入图像信号的灰度值为0时，校正单元将输入图像信号校正为大于0灰度值的第一灰度值。输出图像信号基于校正的输入图像信号。 数据驱动器将输出图像信号转换成要施加到显示面板的数据电压。

公开(公告)号：US20200271993A1

公开(公告)日：2020-08-27

申请号：US16689304

申请日：2019-11-20

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Nam Jae LIM ,  Hoi Sik MOON ,  Yoon Gu KIM ,  Jae Sung BAE ,  Seung Young CHOI ,  Tae Hyeong AN

IPC: G02F1/1335 ,  G02F1/1343

Abstract: A display device having a backlight which includes a first quantity of light source blocks that are individually driven at separate duty ratios. The display device includes pixels having a second quantity that is greater than the first quantity. The pixels are configured to determine a light transmission factor for light emitted from the light source blocks. A grayscale compensation unit is configured to calculate color shift amounts of the pixels based on the duty ratios of the light source blocks and compensate input grayscale values for the pixels based on the color shift amounts to correct color shift.