Test display panel, driving method thereof and forming method thereof

US10984692B2 · kind B2 · utility

Assignees

• BOE Technology Group Co., Ltd. · CN
• Chengdu BOE Optoelectronics Technology Co., Ltd. · CN

Inventors

• Dexiong Song · Kunshan, CN
• Zhiyong Yang · Beijing, CN
• Shihua Huang · Beijing, CN
• Wei He · Beijing, CN
• Jing Wang · Beijing, CN
• Liwei Huang · Beijing, CN
• Xue Jiang · Beijing, CN
• Wei Li · Beijing, CN
• Chao Fu · Xi'an, CN

Key dates

• Filing date: Aug 6, 2018
• Grant date: Apr 20, 2021
• Expiry date: Jul 2, 2039

Classification

• Technology area (CPC G): Physics
• CPC primary: G09G2330/12
• WIPO field: Audio-visual technology
• WIPO sector: Electrical engineering

Abstract

A test display panel is configured for application to a lighting test, and includes a plurality of reference voltage input terminals and a plurality of sub-pixels. The reference voltage input terminals are in a one-to-one correspondence to the sub-pixels. The display panel further includes a reference voltage supply circuit and a plurality of reference voltage lines. The sub-pixels include a plurality of first sub-pixels, second sub-pixels, and third sub-pixels having different colors. The reference voltage lines include a first reference voltage line, a second reference voltage line, and a third reference voltage line, each corresponding to respective sub-pixels. The reference voltage supply circuit is configured to provide reference voltages to the plurality of reference voltage lines in a time division manner. The reference voltage lines are electrically coupled to respective reference voltage input terminals of the sub-pixels.