REFLECTION TYPE LIQUID CRYSTAL DISPLAY DEVICE WITH AUXILIARY LIGHT SOURCE

摘要

PROBLEM TO BE SOLVED: To provide a reflection type liquid crystal display device with an auxiliary light source which has a photoelectric converting function as a solar battery and a function of automatically adjusting the quantity of light of the auxiliary light source and then has lower power consumption and further eliminates the need to add an extra optical detecting means to automatically control the quantity of light of the auxiliary light source.

SOLUTION: An auxiliary light source part 301 with a dimming function is added as an auxiliary light source to a reflection type liquid crystal display device which has both a display part 100 with a display function as reflection type liquid crystal and a photoelectric converting function as a solar battery, and a control part 302 determines luminance information based upon power generation quantity information obtained from the solar battery part 200 to adjust the quantity of light of the auxiliary light source part 301 with the dimming function.

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