P

Inventor

LIU CHENGUANG

US68 patents
⚠️ This page may combine multiple inventors who share the name “LIU CHENGUANG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SAMSUNG ELECTRONICS CO LTD

20 patents
US11176646B2Nov 16, 2021

HDR tone mapping methods with scene adaptive parameterized tone map function

SAMSUNG ELECTRONICS CO LTD9 citations85
US12417519B2Sep 16, 2025

HDR tone mapping methods with scene adaptive parameterized tone map function

SAMSUNG ELECTRONICS CO LTD1 citations74
US11769235B2Sep 26, 2023

HDR tone mapping methods with scene adaptive parameterized tone map function

SAMSUNG ELECTRONICS CO LTD1 citations72
US12028658B2Jul 2, 2024

Content creative intention preservation under various ambient color temperatures

SAMSUNG ELECTRONICS CO LTD2 citations70
US11398017B2Jul 26, 2022

HDR tone mapping based on creative intent metadata and ambient light

SAMSUNG ELECTRONICS CO LTD2 citations70
US12020413B2Jun 25, 2024

HDR tone mapping based on creative intent metadata and ambient light

SAMSUNG ELECTRONICS CO LTD2 citations68
US12541832B2Feb 3, 2026

Image-statistics-based de-banding in SDR to HDR conversion

SAMSUNG ELECTRONICS CO LTD0 citations62
US12367565B2Jul 22, 2025

Efficient inverse tone mapping network for standard dynamic range (SDR) to high dynamic range (HDR) conversion on HDR display

SAMSUNG ELECTRONICS CO LTD0 citations62
US12327518B1Jun 10, 2025

Perceptual color recovery for luminance reduced displays with burn-in protection

SAMSUNG ELECTRONICS CO LTD1 citations62
US11995743B2May 28, 2024

Skin tone protection using a dual-core geometric skin tone model built in device-independent space

SAMSUNG ELECTRONICS CO LTD0 citations62
US10863157B2Dec 8, 2020

Guided tone mapping of high dynamic range video based on a Bezier curve for presentation on a display device

SAMSUNG ELECTRONICS CO LTD1 citations62
US12087249B2Sep 10, 2024

Perceptual color enhancement based on properties of responses of human vision system to color stimulus

SAMSUNG ELECTRONICS CO LTD0 citations61
US12067957B2Aug 20, 2024

Color gamut compression and extension

SAMSUNG ELECTRONICS CO LTD0 citations61
US11615763B2Mar 28, 2023

Color gamut compression and extension

SAMSUNG ELECTRONICS CO LTD0 citations61
US11557265B2Jan 17, 2023

Perceptual color enhancement based on properties of responses of human vision system to color stimulus

SAMSUNG ELECTRONICS CO LTD0 citations61
US12363270B2Jul 15, 2025

Content creative intention preservation under various ambient color temperatures

SAMSUNG ELECTRONICS CO LTD0 citations60
US12260526B2Mar 25, 2025

Self-emitting display (SED) burn-in prevention based on stationary luminance reduction

SAMSUNG ELECTRONICS CO LTD0 citations60
US12051364B2Jul 30, 2024

Organic light emitting diode (OLED) burn-in prevention based on stationary pixel and luminance reduction

SAMSUNG ELECTRONICS CO LTD0 citations60
US11836901B2Dec 5, 2023

Content adapted black level compensation for a HDR display based on dynamic metadata

SAMSUNG ELECTRONICS CO LTD0 citations59
US11526968B2Dec 13, 2022

Content adapted black level compensation for a HDR display based on dynamic metadata

SAMSUNG ELECTRONICS CO LTD0 citations59

HARBIN INST TECHNOLOGY

5 patents

ZHAMU ARUNA

4 patents

DALIAN DAYLIGHT WOOD IND CO LTD

4 patents

KONINKLIJKE PHILIPS NV

4 patents

SNAP INC

3 patents

LIU CHENGUANG

2 patents

DONG YANTING

2 patents

UNIV MINNESOTA

1 patent

PETROCHINA CO LTD

1 patent

TENCENT TECH SHENZHEN CO LTD

1 patent

THE FIRST INST OF OCEANOGRAPHY MNR

1 patent

DASU ARAVIND

1 patent

HUAWEI TECH CO LTD

1 patent

Showing the top 50 of 68 patents by PatentIndex Score.