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:
Aug. 05, 2025
Filed:
Jan. 29, 2022
Boe Technology Group Co., Ltd., Beijing, CN;
Beijing Boe Optoelectronics Technology Co., Ltd., Beijing, CN;
Shandong Lanbeisite Educational Equipment Group, Shandong, CN;
Jiaxing Wang, Beijing, CN;
Jian Wang, Beijing, CN;
Xiaojuan Wu, Beijing, CN;
Hongliang Yuan, Beijing, CN;
Xiuliang Wang, Beijing, CN;
Yao Bi, Beijing, CN;
Jinshuai Duan, Beijing, CN;
Feng Liu, Beijing, CN;
Cuiyu Chen, Beijing, CN;
Yang Ge, Beijing, CN;
Zhilong Duan, Beijing, CN;
Zhiqiang Yu, Beijing, CN;
Tianyang Han, Beijing, CN;
BOE TECHNOLOGY GROUP CO., LTD., Beijing, CN;
BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., Beijing, CN;
SHANDONG LANBEISITE EDUCATIONAL EQUIPMENT GROUP, Shandong, CN;
Abstract
Provided is a liquid crystal handwriting board. The liquid crystal handwriting board includes a first substrate, a second substrate, a third substrate, a first liquid crystal layer, and a second liquid crystal layer; wherein the first substrate includes: a first base, and a first pixel electrode and a transparent electrode, wherein the first pixel electrode is insulated from the transparent electrode, and the first pixel electrode is closer to the second substrate than the transparent electrode is; wherein the first substrate, the first liquid crystal layer and the second substrate are configured to form a display portion of the liquid crystal handwriting board; and the first substrate, the second liquid crystal layer and the third substrate are configured to form a writing portion of the liquid crystal handwriting board.