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:
Sep. 01, 2020
Filed:
Jul. 10, 2018
Memory-in-pixel circuit and driving method thereof, liquid crystal display panel and wearable device
Boe Technology Group Co., Ltd., Beijing, CN;
Hefei Boe Optoelectronics Technology Co., Ltd., Hefei, Anhui, CN;
BOE TECHNOLOGY GROUP CO., LTD., Beijing, CN;
HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., Hefei, CN;
Abstract
A memory-in-pixel circuit and a driving method thereof, a liquid crystal display panel and a wearable device are disclosed. The memory-in-pixel circuit includes a latch circuit, a switch circuit and a selection circuit, all transistors included in the latch circuit are first type transistors, and the latch circuit is configured to latch a data voltage and generate a first latch signal and a second latch signal; the switch circuit is configured to provide the data voltage to the latch circuit when the switch circuit is turned on; the selection circuit is configured to apply the first selection signal or the second selection signal to a pixel under control of the first latch signal and the second latch signal, and to continue to apply the first selection signal or the second selection signal to the pixel when the switch circuit is turned off to achieve automatic update of the pixel.