公开(公告)号：US20160351102A1

公开(公告)日：2016-12-01

申请号：US15154440

申请日：2016-05-13

Applicant: LG Display Co., Ltd.

Inventor： Hong-Seop SHIN ,  Kyong-Ho LIM ,  Yu-Hoon KIM

IPC: G09G3/20 ,  G09G3/3208 ,  G09G3/36 ,  G09G5/10 ,  G09G3/34

CPC classification number: G09G3/2007 ,  G09G3/2011 ,  G09G3/342 ,  G09G3/3607 ,  G09G3/3648 ,  G09G2320/0238 ,  G09G2320/0252 ,  G09G2320/064 ,  G09G2320/0646 ,  G09G2320/0673 ,  G09G2320/103 ,  G09G2360/145

Abstract: Disclosed are an image processing circuit and image processing method which is capable of enhancing gray level presentation, and a display device using the same. The image processing circuit and image processing method performs a differential extension of each gray level to a higher gray level with respect to a perceived brightness picture level (PBPL) reflecting a distribution of high gray levels of the input image, and then overdrives a light emitting device in the region of high gray levels higher than or equal to the threshold gray level.

Abstract translation: 公开了能够增强灰度级呈现的图像处理电路和图像处理方法，以及使用该图像处理电路和图像处理方法的显示装置。 图像处理电路和图像处理方法相对于反映输入图像的高灰度分布的感知亮度图像电平（PBPL），将每个灰度级的差分扩展执行到较高的灰度级，然后过驱动发光 设备在灰度级高于或等于阈值灰度级的区域。

公开(公告)号：US20210343223A1

公开(公告)日：2021-11-04

申请号：US17374924

申请日：2021-07-13

Applicant: LG Display Co., Ltd.

Inventor： Jung-Geun JO ,  Tae-Uk KIM ,  Yu-Hoon KIM

IPC: G09G3/20 ,  G09G3/22

Abstract: The present disclosure relates to a display device and a method for driving the same which can improve color unevenness in a low-grayscale (low-luminance) area and improve color accuracy and grayscale expression, and an image processor of a display device according to an embodiment identifies a low-grayscale area less than a threshold value according to an input maximum luminance and applies a grayscale reproduction mask thereto to reproduce a luminance of the low-grayscale area as a combination of the threshold value and a minimum value.

公开(公告)号：US20210241680A1

公开(公告)日：2021-08-05

申请号：US17142054

申请日：2021-01-05

Applicant: LG Display Co., Ltd.

Inventor： Jong-Hwan OCK ,  Yu-Hoon KIM ,  Jung-Geun JO

IPC: G09G3/32 ,  G09G3/20

Abstract: In at least one embodiment, a display device includes a panel including a display area in which a plurality of pixels is arranged. An optical module is superposed on the display area. The display area has a low-resolution area having a polygonal shape and superposed on the optical module and a high-resolution area neighboring the low-resolution area, unit pixels having the same size as those of the high-resolution area are arranged in a lower pixel density than that of the high-resolution area and transmission areas are disposed adjacent to the unit pixels in the low-resolution area, and unit pixels and transmission areas are arranged in different forms in a boundary area of the high-resolution area neighboring the low-resolution area according to slopes of the boundary area.