The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 31, 2023
Filed:
May. 10, 2022
Meta Platforms Technologies, Llc, Menlo Park, CA (US);
Jeong-Keun Ahn, Palo Alto, CA (US);
Zhiming Zhuang, Sammamish, WA (US);
Min Hyuk Choi, San Jose, CA (US);
Meta Platforms Technologies, LLC, Menlo Park, CA (US);
Abstract
Embodiments relate to a pixel circuit of a display with a pixel level burn-in compensation. The pixel circuit includes a light-emitting diode (LED), a first driving transistor between a voltage source and the LED, an enable transistor coupled to a gate electrode of the first driving transistor, and a second driving transistor connected between the voltage source and the LED. The first driving transistor provides first current from the voltage source to the LED according to a gate voltage of the first driving transistor. The enable transistor turns on responsive to a voltage level at an anode of the LED increasing to a threshold voltage level. The second driving transistor provides second current from the voltage source to the LED according to a version of the gate voltage of the first driving transistor received at a gate electrode of the second driving transistor via the enable transistor.