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.

Date of Patent:
Apr. 17, 2018

Filed:

Jul. 03, 2014
Applicants:

Boe Technology Group Co., Ltd., Beijing, CN;

Beijing Boe Display Technology Co., Ltd., Beijing, CN;

Inventors:

Yanjun Sun, Beijing, CN;

Woong Kim, Beijing, CN;

Zhanchang Bu, Beijing, CN;

Jing Yuan, Beijing, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21V 8/00 (2006.01);
U.S. Cl.
CPC ...
G02B 6/0033 (2013.01); G02B 6/0055 (2013.01); G02B 6/0073 (2013.01);
Abstract

A backlight unit () and a display device are provided. The backlight unit () comprises a light guide plate (), and a light source (), a first reflective film (), and a second reflective film (). The light source () includes a plurality of LEDs () uniformly arranged. The first reflective film () is disposed correspondingly on a backlight side of a region opposite to each of the LEDs on the light guide plate (); The second reflective film () includes at least one first sub-reflective film (), the first sub-reflective film () being disposed correspondingly on a backlight side of a region opposite to a gap between two adjacent LEDs on the light guide plate (). A reflectivity of the first reflective film is less than a reflectivity of the second reflective film, and a distance between the light guide plate () and the LEDs is less than a distance between an intersection of light beams emitted by two adjacent LEDs and the LEDs, and, a width of the frame of the display device can be reduced.


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