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:
Nov. 05, 2019
Filed:
Jan. 07, 2016
Shenzhen Guohua Optoelectronics Co., Ltd., Guangdong Province, CN;
Academy of Shenzhen Guohua Optoelectronics, Guangdong Province, CN;
South China Normal University, Guandong Province, CN;
Guofu Zhou, Guangdong Province, CN;
Fangchao Tian, Guangdong Providence, CN;
Zhijie Luo, Guangdong Province, CN;
Weinan Zhang, Guangdong Province, CN;
Shenzhen Guohua Optoelectronics Co., Ltd., Shenzhen, Guangdong, CN;
Academy of Shenzhen Guohua Optoelectronics, Shenzhen, Guangdong, CN;
South China Normal University, Guangzhou, Guangdong, CN;
Abstract
Three-layer full-color dynamic electronic paper, comprising a substrate, a controller, a first EWOD display layer, a second EWOD display layer and a third EWOD display layer, wherein each of the first, second and third EWOD display layer is comprised of an upper transparent electrode plate, a hydrophobic insulating layer, pixel walls, colored ink, colorless liquid, a lower transparent electrode plate, an encapsulation adhesive, and a driving chip connected to the upper transparent electrode plate and the lower transparent electrode plate respectively; the lower transparent electrode plate of the third EWOD display layer is located above the substrate; the colored ink filled in the first, second and third EWOD display layer is cyan ink, magenta ink and yellow ink, respectively; and, the controller controls voltage waveforms of the three driving chips according to a subtractive color mixture principle of three primary colors for printing, so as to realize full-color displaying.