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. 22, 2018
Filed:
Jul. 15, 2015
Boe Technology Group Co., Ltd., Beijing, CN;
Hefei Boe Optoelectronics Technology Co., Ltd., Hefei, Anhui Province, CN;
Chang Lv, Beijing, CN;
Ming Fang, Beijing, CN;
Jianghui Zhan, Beijing, CN;
Shounian Chen, Beijing, CN;
Jinmoo Park, Beijing, CN;
BOE TECHNOLOGY GROUP CO., LTD., Beijing, CN;
HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO, LTD., Hefei, CN;
Abstract
The present disclosure provides a backlight module and a display apparatus. The backlight module comprises a light guide plate, a light source located at one side of the light guide plate at the light incident surface, a lampshade accommodating the light source and being provided with an opening structure with an adjustable size and/or position, and a control device for adjustment of the size and/or position of the opening structure on the lampshade. The amount of light which is irradiated by the backlight module to the light incident surface of the light guide plate may be varied by providing the lampshade which accommodates the light source and disposing the opening structure with an adjustable size and/or position on the lampshade, to achieve an adjustment of the brightness of a display without requiring for adjustment of the current flowing through the light source in the backlight module, thereby causing no impact on the life of the light source.