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LED Backlighting Design of Dynamic Control

Chenggong Zhang

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Abstract

CCFL brightness previously due to the uncontrollable nature, LCD TV is the adjustment of the LCD control voltage, LCD transmittance change to achieve the overall brightness of the LCD control, This means that in many cases caused the backlight module light and energy wasted. Using dynamic brightness control can be very convenient way of regulating LED backlight power supply voltage or the input current small, thereby changing LED luminous intensity of the program, the television will lower energy consumption in LED conditions. Dynamic brightness control is shown on the screen for analysis, be different regions of the best simultaneous control brightness LED backlight brightness corresponding to achieve.

About this research paper

What this paper is about

CCFL brightness previously due to the uncontrollable nature, LCD TV is the adjustment of the LCD control voltage, LCD transmittance change to achieve the overall brightness of the LCD control, This means that in many cases caused the backlight module light and energy wasted. Using dynamic brightness control can be very convenient way of regulating LED backlight power supply voltage or the input current small, thereby changing LED luminous intensity of the program, the television will lower energy consumption in LED conditions. Dynamic brightness control is shown on the screen for analysis, be different regions of the best simultaneous control brightness LED backlight brightness corresponding to achieve.

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Available abstract

CCFL brightness previously due to the uncontrollable nature, LCD TV is the adjustment of the LCD control voltage, LCD transmittance change to achieve the overall brightness of the LCD control, This means that in many cases caused the backlight module light and energy wasted. Using dynamic brightness control can be very convenient way of regulating LED backlight power supply voltage or the input current small, thereby changing LED luminous intensity of the program, the television will lower energy consumption in LED conditions. Dynamic brightness control is shown on the screen for analysis, be different regions of the best simultaneous control brightness LED backlight brightness corresponding to achieve.

Key concepts: Backlight, Brightness, Liquid-crystal display, Flicker, Voltage, Transmittance, Optics, Power (physics)

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