Backlight module, liquid crystal display and backlight drive control method

A technology of liquid crystal display and backlight module, which is applied in the field of backlight module, can solve the problems such as the matching rate cannot reach 100%, the reduction of luminous flux, the loss of the overall brightness of the liquid crystal display, etc., and achieve the effect of satisfactory color performance
CN103234149BActive Publication Date: 2015-07-15BOE TECH GRP CO LTD +1
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
BOE TECH GRP CO LTD
Publication Date
2015-07-15

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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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Description

technical field

[0001] The invention relates to the field of display technology, in particular to a backlight module, a liquid crystal display and a backlight driving control method thereof. Background technique

[0002] A traditional liquid crystal display includes a display panel and a backlight module, and the backlight module includes a backlight source and a control system. At present, the backlight is generally white LED backlight, white LED can be mainly divided into Bchip+Y powder (blue chip + yellow phosphor) LED, Bchip + Yσ powder (blue chip + red and yellow phosphor) LED, Bchip + RG powder (Blue-light chip + red-green phosphor) LED, BGchip+R powder (blue-green chip + red phosphor) LED and RGBchip (red-green-blue chip) LED, the color performance capabilities of which increase sequentially.

[0003] The color performance specifications of liquid crystal displays in the industry are divided into three categories from low to high: NTSC (National Television Standards ...

Claims

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