Technical term for LED backlight

1. Brightness: the luminous intensity of the backlight under the measurement conditions, the average value of the brightness of five or nine points of the backlight;

2. Uniformity: minimum brightness value/maximum brightness value, there are also maximum brightness value/minimum brightness value used by customers;

3. Color: White light is represented by X and Y coordinates, and other colors are represented by wavelength;

4. Constant voltage test: use a constant voltage to light the backlight, the current changes with the voltage of the backlight, generally not used;

5. Constant current test: Light the backlight with a constant current, and the voltage drop generated should be within the range required by the drawing