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:
Dec. 08, 2020
Filed:
Mar. 26, 2020
Triple Win Technology(shenzhen) Co. Ltd., Shenzhen, CN;
Meng-Qiu Li, Shenzhen, CN;
Gang-Jia Li, Shenzhen, CN;
Ying-Quan Zhao, Shenzhen, CN;
Yen-Sheng Lin, New Taipei, TW;
TRIPLE WIN TECHNOLOGY(SHENZHEN) CO. LTD., Shenzhen, CN;
Abstract
A surface light source device and system for monitoring uniformity of brightness of the device are disclosed, the device includes a light source unit; a light guide plate, and at least one light uniformity plate. The light guide plate includes a light incident surface and a light emitting surface, the light incident surface is disposed in a light emitting direction of the light source unit; and the light incident surface is disposed in a light emitting direction of the light source unit. The at least one light uniformity plate comprises a light receiving surface facing the light emitting surface, the light receiving surface is defined with a plurality of zones, and each zone is provided with a photosensitive element which senses and measures the brightness of light. A method of operating the monitoring system is also disclosed.