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:
Aug. 08, 2017

Filed:

Jun. 18, 2013
Applicants:

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

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

Inventors:

Lifeng Lin, Beijing, CN;

Hongming Zhan, Beijing, CN;

Yongcan Wang, Beijing, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/133 (2006.01); H05B 33/08 (2006.01); G02F 1/1335 (2006.01); F21V 8/00 (2006.01);
U.S. Cl.
CPC ...
G02F 1/133603 (2013.01); G02B 6/0026 (2013.01); G02F 1/133606 (2013.01); G02F 1/133609 (2013.01); G02F 1/133611 (2013.01); G02F 1/133621 (2013.01); G02B 6/0023 (2013.01); G02F 2001/133612 (2013.01); G02F 2001/133614 (2013.01); H05B 33/0857 (2013.01);
Abstract

A backlight module, a liquid crystal display and a control method for driving the backlight source, the backlight module comprising an LED backlight source and a driving circuit, the LED backlight source comprising first LEDs each formed of a blue light chip, red phosphor powder and green phosphor powder, and second LEDs each formed of a blue light chip, a green light chip and red phosphor powder, and the driving circuit comprising driving circuit modules for driving the first LEDs and the second LEDs respectively. The liquid crystal display includes the above-mentioned backlight module and the display panel.


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