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:
May. 08, 2018
Filed:
Jul. 21, 2015
Boe Technology Group Co., Ltd., Beijing, CN;
Beijing Boe Display Technology Co., Ltd., Beijing, CN;
BOE TECHNOLOGY GROUP CO., LTD., Beijing, CN;
BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., Beijing, CN;
Abstract
The present disclosure provides an overheat protection device, an overheat protection method and an electrical device. The overheat protection device is used in an electrical device and includes a transparent window unit and an optically-controlled switch. The transparent window unit is made of a transparent material and arranged on a housing of the electrical device, and an inner surface of the transparent window unit is coated with a thermochromatic material film. The optically-controlled switch is arranged inside the housing of the electrical device and exposed to an ambient light beam through the transparent window unit. The optically-controlled switch is configured to turn off the electrical device when a spectrum of the received light beam is within a predetermined spectral range.