Backlight system, liquid crystal display including the same, and method of adjusting backlight

Backlight system, liquid crystal display including the same, and method of adjusting backlight

  • CN 101,055,374 A
  • Filed: 04/16/2007
  • Published: 10/17/2007
  • Est. Priority Date: 04/14/2006
  • Status: Active Grant
First Claim
Patent Images

1. back light system comprises:

  • Led section comprises a plurality of LED cell arrays, and wherein each LED unit all comprises the LED that is arranged in the multiple glow color in each;

    The backlight control part is used for exporting in response to timing signal the LED drive signal;

    The led driver part is used for sequentially lighting or close this LED unit in response to this LED drive signal;

    AndThe photoelectric sensor part, be arranged in a side, the end side on the longitudinal direction of each LED unit of led section, be used to detect the light quantity of each LED unit, make this photoelectric sensor partly store and the corresponding gain calibration information in the position of each LED unit, and wherein according to regulating the gain of the light quantity that is used to detect the LED unit with each corresponding gain calibration information in the LED unit that will be conditioned.

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