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:
Feb. 25, 2020
Filed:
Apr. 13, 2018
Huizhou China Star Optoelectronics Technology Co., Ltd., Huizhou, Guangdong, CN;
Xiaoyu He, Huizhou, Guangdong, CN;
HUIZHOU CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD., Huizhou, CN;
Abstract
Provided is a quantum dot (QD) film for backlight unit, which includes a first protective film, a second protective film, a QD material layer, and a transmission/reflection film. The first and second protective films are disposed in opposite to each other and the QD material layer is interposed between the first and second protective films. The transmission/reflection film is disposed at the side of the second protective film facing away from the first protective film for reflecting a part of an incident light and transmitting the other part of incident light. Also provided is a backlight unit having such QD film and a liquid crystal display for enhancing the utilization of QD material and the brightness of the light emitted from the backlight unit, and preventing the backlight unit from emitting light with blue tone.