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:
Jun. 23, 2020
Filed:
May. 09, 2019
Beijing Boe Chatani Electronics Co., Ltd., Beijing, CN;
Boe Technology Group Co., Ltd., Beijing, CN;
Beijing BOE Chatani Electronics Co., Ltd., Beijing, CN;
BOE TECHNOLOGY GROUP CO., LTD., Beijing, CN;
Abstract
The present disclosure relates to the field of display technology, and provides a backlight module including a light guide plate, a diffusion assembly and a light source assembly. The light guide plate is provided with a hole thereon. The diffusion assembly is disposed over the light guide plate. The light source assembly has a light emitting portion. The light emitting portion is disposed within the hole, and includes a COB light source with an out-light surface facing towards the diffusion assembly and a LED light source with an out-light surface facing towards a hole wall of the hole. A transmittance at a position of the diffusion assembly opposite to the COB source light is smaller than a transmittance at a remaining position thereof.