DISPLAY DEVICE AND BACKLIGHT FOR DISPLAY DEVICE

摘要

PURPOSE: A display device and a backlight for a display device are provided to reduce power consumption. CONSTITUTION: A wavelength transmission layer(20) is installed on a second major surface(71b) of a light guide(71) and has a first area(20a) and a second area(20b). An optical control layer(50) is installed between the wavelength transmission layer and a wavelength selection absorption layer(40).