公开(公告)号：US20220068240A1

公开(公告)日：2022-03-03

申请号：US17231992

申请日：2021-04-15

Applicant: Samsung Display Co., Ltd.

Inventor： Se Yun KIM ,  Sang Cheol PARK ,  Si Hun JANG ,  Min Gyu KIM ,  Hee Joon KIM ,  Jun Pyo LEE

IPC: G09G5/10 ,  G09G3/3275 ,  G09G3/20

Abstract: A display device according to an embodiment includes a plurality of display panels arranged adjacent to each other and each display panel including first pixels in the display panel and second pixels in the display panel and adjacent to a boundary area of the display panels, and a luminance correction unit configured to generate a correction grayscale value for the second pixel. The luminance correction unit includes an image mapping unit configured to map a captured luminance image to a unit pixel image, a de-blurring unit configured to perform a de-blurring operation on the mapped unit pixel image to calculate a correction luminance value for the second pixel, and a correction unit configured to calculate a correction grayscale value for the second pixel corresponding to the calculated correction luminance value of the second pixel.

公开(公告)号：US20210090527A1

公开(公告)日：2021-03-25

申请号：US16855953

申请日：2020-04-22

Applicant: Samsung Display Co., Ltd.

Inventor： Jeong Woon LEE ,  Min Gyu KIM ,  Sang Cheol PARK ,  Hoi Sik MOON

IPC: G09G5/393 ,  G09G3/20

Abstract: A controller includes a bit shifter and a stain compensator. The bit shifter may determine a bit shift value corresponding to a stain compensation value according to an area of a display panel. The bit shift value represents a quantity of integer bits and a quantity of decimal bits. At least one of the quantity of integer bits and the quantity of decimal bits corresponds to a quantity of stain compensation steps. The stain compensator may compensate a grayscale value of input image data using the stain compensation value and the bit shift value to generate compensated image data.