公开(公告)号：US20230300284A1

公开(公告)日：2023-09-21

申请号：US18113059

申请日：2023-02-23

Applicant: NOVATEK Microelectronics Corp.

Inventor： Wei-Jhe Ma ,  Feng-Ting Pai ,  Jun-Yu Yang ,  Hsin-Yu Pan

IPC: H04N5/202 ,  H04N9/69 ,  G06V10/74 ,  G09G3/3208

CPC classification number: H04N5/202 ,  H04N9/69 ,  G06V10/761 ,  G09G3/3208 ,  G09G2320/0276 ,  G09G2320/0673

Abstract: An image compensation circuit for controlling a luminance of a display panel is configured to: receive a plurality of image data; perform gamma tuning to convert the plurality of image data into a plurality of original gamma codes according to a plurality of first compensation values corresponding to a first operation mode; calculate a plurality of gamma difference values between the plurality of first compensation values and a plurality of second compensation values corresponding to a second operation mode; and calculate a plurality of output gamma codes corresponding to the second operation mode according to the plurality of original gamma codes by using the plurality of gamma difference values.

公开(公告)号：US12279064B2

公开(公告)日：2025-04-15

申请号：US18113059

申请日：2023-02-23

Applicant: NOVATEK Microelectronics Corp.

Inventor： Wei-Jhe Ma ,  Feng-Ting Pai ,  Jun-Yu Yang ,  Hsin-Yu Pan

IPC: H04N5/202 ,  G06V10/74 ,  G09G3/3208 ,  H04N9/69

Abstract: An image compensation circuit for controlling a luminance of a display panel is configured to: receive a plurality of image data; perform gamma tuning to convert the plurality of image data into a plurality of original gamma codes according to a plurality of first compensation values corresponding to a first operation mode; calculate a plurality of gamma difference values between the plurality of first compensation values and a plurality of second compensation values corresponding to a second operation mode; and calculate a plurality of output gamma codes corresponding to the second operation mode according to the plurality of original gamma codes by using the plurality of gamma difference values.