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:
Jul. 23, 2019
Filed:
Aug. 23, 2017
E Ink Holdings Inc., Hsinchu, TW;
Kun-Heng Wu, Hsinchu, TW;
Feng-Chuan Yeh, Hsinchu, TW;
E Ink Holdings Inc., Hsinchu, TW;
Abstract
An electronic paper display device including an electronic paper display substrate and a power supply circuit is provided. An electronic paper display panel and a driving circuit are disposed on the electronic paper display substrate. The power supply circuit is electrically connected to the electronic paper display panel and the driving circuit. The power supply circuit is configured to output a first driving signal to the electronic paper display panel and output a voltage signal to the driving circuit. The power supply circuit includes a level shifter. The power supply circuit outputs a first driving signal to the electronic paper display panel by utilizing the level shifter. The driving circuit includes a source driver. The driving circuit outputs a second driving signal to the electronic paper display panel according to the voltage signal by utilizing the source driver.