公开(公告)号：US20250055965A1

公开(公告)日：2025-02-13

申请号：US18931142

申请日：2024-10-30

Applicant: AUO Display Plus Corporation

Inventor： WEI-CHOU KUO ,  Chin Jung Yeh ,  PO-KUN CHEN ,  YUJEN HSU

IPC: H04N9/64 ,  A61C13/00 ,  F21V11/00 ,  G06F3/14 ,  G06T7/80 ,  G06T7/90 ,  H04N9/77 ,  H04N23/74

Abstract: An image color display restoration system, method and display system include a first auxiliary light source; a camera device connected to the first auxiliary light source to form an imaging environment, acquiring a first image and imaging parameter values in the imaging environment, wherein the first image includes an image of a colorimetric component; a display device located in an ambient light source area having a first illumination value, and receiving and displaying a second image, wherein the display device has display parameter values; a second auxiliary light source matched and arranged corresponding to the display device and forming a light source control area, and having a second illumination value; a cloud platform receiving the first image, the imaging parameter values and the display parameter values, and after correcting the first image according to the imaging parameter values and the display parameter values, outputting the second image.

公开(公告)号：US20250131889A1

公开(公告)日：2025-04-24

申请号：US19000756

申请日：2024-12-24

Applicant: AUO Display Plus Corporation

Inventor： PO-KUN CHEN ,  AI-LING LIN ,  TING-TING KUO

IPC: G09G3/34

Abstract: A method for maintaining optical quality of a display and a display thereof are provided, wherein the display includes a backlight unit, a display unit, and a driving unit, and the method includes: providing a preset gamma value of the display; driving the driving unit based on the preset gamma value of the display to obtain a first display luminance corresponding to the backlight unit according to the preset gamma value; performing local dimming of the backlight unit in the display to obtain a second display brightness value of each area in the measured backlight unit; receiving, by the driving unit, the second display brightness value to compare the second display brightness value with the first display brightness value for obtaining a luminance difference; and providing the brightness difference into the backlight unit for brightness compensation, so that the backlight unit has a third display brightness value.

公开(公告)号：US20250124885A1

公开(公告)日：2025-04-17

申请号：US19001605

申请日：2024-12-26

Applicant: AUO Display Plus Corporation

Inventor： PO-KUN CHEN ,  AI-LING LIN ,  TING-TING KUO ,  REN-WEI HUANG

IPC: G09G3/34 ,  G09G3/20 ,  G09G3/32

Abstract: A display and a backlight compensation method thereof are provided, wherein the display includes a backlight unit and a driving unit, and the backlight compensation method includes: providing a gamma value of the display; performing local dimming of the backlight unit according to the gamma value; obtaining an area peak luminance of each area in the backlight unit; obtaining a windows size of the backlight unit and a corresponding luminance dependency of windows size; obtaining, by the driving unit, a first display luminance corresponding to each area in the backlight unit according to a product of the area peak luminance of each area and the luminance dependency of windows size; and performing luminance compensation in each area of the backlight unit according to the first display luminance. A backlight compensation method that maintains optical quality is achieved, which can maintain brightness and gamma values under different windows sizes.

公开(公告)号：US20250131892A1

公开(公告)日：2025-04-24

申请号：US19002719

申请日：2024-12-27

Applicant: AUO Display Plus Corporation

Inventor： PO-KUN CHEN ,  CHIA SHENG CHU ,  CHIA CHIA LI ,  REN-WEI HUANG

IPC: G09G3/34

Abstract: A display device has a backlight module with a plurality of light-emitting units. The light-emitting units are divided into a plurality of groups, and each group constitutes a lighting region. A backlight compensation method includes performing a local dimming process according to a gamma value of a display device by a backlight module; obtaining an area peak luminance of each lighting area; selecting one of the lighting regions as a selected region; obtaining a regional average luminance value based on the area peak luminance of the selected region and the area peak luminance of other lighting regions adjacent to the selected region; obtaining a luminance adjustment ratio based on a partial peak ratio corresponding to the regional average luminance value; obtaining a compensation luminance value based on the luminance peak value and the luminance adjustment ratio; and adjusting the luminance of the selected region based on the compensation luminance value.

公开(公告)号：US20250124883A1

公开(公告)日：2025-04-17

申请号：US19002731

申请日：2024-12-27

Applicant: AUO Display Plus Corporation

Inventor： PO-KUN CHEN ,  YU-CHIEN TSENG ,  HUI-LUNG LU ,  REN-WEI HUANG

IPC: G09G3/34 ,  G02B23/24

Abstract: The invention provides a backlight control method for a display system. The display system has a backlight module, and a light-emitting surface of the backlight module is divided into a plurality of light-emitting areas, and each light-emitting area corresponds to at least one light-emitting unit. The backlight control method includes the following steps: receiving an input image data from the display module of the display system; performing a local dimming procedure on the backlight module according to the input image data, wherein the light-emitting unit corresponding to each light-emitting area has a local dimming value; obtaining area peak luminance of each light-emitting area; determining a compensation area peak luminance of each light-emitting area according to a brightness enhancement comparison table and the peak brightness values of the light-emitting areas; and applying each compensation area peak luminance to each corresponding light-emitting area of backlight module.