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. 12, 2019
Filed:
Jun. 20, 2014
Boe Technology Group Co., Ltd., Beijing, CN;
Beijing Boe Multimedia Technology Co., Ltd., Beijing, CN;
Li Zhang, Beijing, CN;
Cheng Zhang, Beijing, CN;
BOE TECHNOLOGY GROUP CO., LTD., Beijing, CN;
BEIJING BOE MULTIMEDIA TECHNOLOGY CO., LTD., Beijing, CN;
Abstract
A portable display device includes a display element provided with a main screen thereon, the portable display device further includes a secondary screen capable of being incorporated with the main screen. By providing a secondary screen, a display region of the portable display device can be extended as required, thereby allowing to run more applications to satisfy user's demands. And at the same time, the drawing structure can extend the display region in a convenient and steady manner.