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:
Mar. 28, 2023
Filed:
Apr. 01, 2021
Wistron Corporation, New Taipei, TW;
WISTRON CORPORATION, New Taipei, TW;
Abstract
A light emission control method is adapted to a direct-lit LED backlight display. The display includes a backlight module, a driving circuit, a detection circuit, and a control circuit. The backlight module includes a first light emission group and a second light emission group. The first light emission group includes a plurality of first LEDs, and the second light emission group includes a plurality of second LEDs. The first LEDs and the second LEDs are in an interleaved arrangement. The driving circuit is activated to selectively drive the first light emission group and the second light emission group to emit light. On detection of an abnormal light-emission status of any of the plurality of LEDs, the detection circuit sends an abnormal signal. The control circuit obtains a shut-down group according to the abnormal signal and actives the driving circuit not to drive the shut-down group to emit light.