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:
Dec. 23, 2025
Filed:
May. 27, 2022
Shandong Lanbeisite Educational Equipment Group, Shandong, CN;
Beijing Boe Optoelectronics Technology Co., Ltd., Beijing, CN;
Boe Technology Group Co., Ltd., Beijing, CN;
Yu Zhao, Beijing, CN;
Xiaojuan Wu, Beijing, CN;
Yang Ge, Beijing, CN;
Jian Wang, Beijing, CN;
Jiaxing Wang, Beijing, CN;
Xiuliang Wang, Beijing, CN;
Tianyang Han, Beijing, CN;
SHANDONG LANBEISITE EDUCATIONAL EQUIPMENT GROUP, Shandong, CN;
BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., Beijing, CN;
BOE TECHNOLOGY GROUP CO., LTD., Beijing, CN;
Abstract
Provided is a liquid crystal handwriting board. The liquid crystal handwriting board includes: a first base plate and a second base plate that are oppositely disposed, and a liquid crystal layer disposed between the first base plate and the second base plate, wherein the liquid crystal layer includes bistable liquid crystal molecules; the first base plate includes: a first substrate, and an electromagnetic touch layer and a pixel electrode layer that are disposed on a side of the first substrate, wherein the electromagnetic touch layer is provided with a plurality of electromagnetic signal lines, each two adjacent electromagnetic signal lines being connected in series; and the second base plate includes: a second substrate, and a common electrode layer that is disposed on a side of the second substrate.