Patent · US Active

Display panel and driving method of display panel

US11200399B1 · kind B1 · utility

2Cited by

9References

22Claims

0Family size

Assignee

Xiamen Tianma Micro-Electronics Co., Ltd. · CN

Inventors

Xu Yang · Tianjin, CN
Bozhi Liu · Xiamen, CN
Xiai Xu · Xiamen, CN
Guozhao Chen · Xiamen, CN

Key dates

Filing date	Dec 23, 2020
Grant date	Dec 14, 2021
Priority date	—
Expiry date	Dec 23, 2040

Classification

Technology area (CPC H)Electricity
CPC primaryH10K59/60
WIPO fieldAudio-visual technology
WIPO sectorElectrical engineering

Abstract

Provided are a display panel and a driving method of a display panel. The display panel includes a substrate, a sub-pixel array located on the substrate, and at least one fingerprint identification unit group; each of the at least one fingerprint identification unit group includes a first fingerprint identification unit and a second fingerprint identification unit; the first fingerprint identification unit, which is in the fingerprint identification unit group to which the second fingerprint identification unit belongs, is electrically connected to the pixel circuit of at least one sub-pixel which is peripheral to the second fingerprint identification unit; the first fingerprint identification unit is configured to adjust, in a first fingerprint identification phase, the at least one sub-pixel electrically connected to the first fingerprint identification unit from a first luminance to a second luminance.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.