A display panel, a pixel circuit, and a display device

• Main Authors: JEONG MIN-JAE, CHAI CHONGUL, PARK KEEAN, LEE JOON-HO, CHUNG KYUNG-HOON
• Format: Patent
• Language: Chinese; English
• Published: 26.10.2021
• Subjects: ADVERTISING; ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICESUSING STATIC MEANS TO PRESENT VARIABLE INFORMATION; CRYPTOGRAPHY; DISPLAY; EDUCATION; PHYSICS; SEALS

A display panel, a pixel circuit, and a display device are disclosed. The display panel includes sub-pixels and a driver driving the sub-pixels. Each sub-pixel includes: an emission element; a first transistor configured to generate a driving current; a constant current control circuit configured to receive a reference voltage and a bias voltage for setting a value of the driving current and including a first capacitor configured to store a first compensation voltage generated by adding a threshold voltage of the first transistor to a difference between the bias voltage and the reference voltage; and a pulse width control circuit configured to receive a data voltage used to determine an emission duration of the emission element and including a second transistor configured to control a pulse width of the driving current according to the data voltage and a second capacitor configured to store a second compensation voltage corresponding to a threshold voltage of the second transistor. 公开了一种显示面板、一种像素电路和一种显示装置。该显示