Display substrate, display panel, display device and voltage adjusting method

• Main Authors: KONG XIANGZI, YANG YANG, GAO HANFEI
• Format: Patent
• Language: Chinese; English
• Published: 10.12.2021
• Subjects: ADVERTISING; ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICESUSING STATIC MEANS TO PRESENT VARIABLE INFORMATION; CRYPTOGRAPHY; DISPLAY; EDUCATION; PHYSICS; SEALS

The invention discloses a display substrate, a display panel, a display device and a voltage adjusting method. The display substrate comprises a pixel display area, wherein the pixel display area comprises a plurality of sub-pixel units which are arranged in an array, pixel circuits are distributed in the sub-pixel units; voltage signal lines used for providing negative power supply signals for the pixel circuit, wherein the voltage signal lines comprise a first voltage signal line and a second voltage signal line, and the first voltage of the first voltage signal line is larger than the second voltage of the second voltage signal line; a voltage regulation circuit arranged corresponding to the sub-pixel units, wherein the control end of the voltage regulation circuit is connected with a brightness signal, the first input end of the voltage regulation circuit is connected with the first voltage signal line, the second input end of the voltage regulation circuit is connected with the second voltage signal line