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:
Jan. 26, 2021
Filed:
Apr. 24, 2020
Huawei Technologies Co., Ltd., Shenzhen, CN;
HUAWEI TECHNOLOGIES CO., LTD., Shenzhen, CN;
Abstract
A display screen, a terminal, and a backlight system, where the backlight system includes a substrate, a plurality of spot light sources, an optical conversion layer, and a light mixing member, where the spot light sources are fastened onto the substrate in a mutually spaced manner. The optical conversion layer is stacked on the substrate and covers the spot light sources. The optical conversion layer is configured to convert, into a white surface light source, light emitted by the spot light sources. The light mixing member is located on a surface of the optical conversion layer or embedded into the optical conversion layer. The light mixing member is configured to mix the light. The backlight system emits light evenly and has a relatively small thickness.