Quantum dot fluorescent screen
A technology of quantum dots and phosphor screens, which is applied in the field of liquid crystal displays, can solve the problems of lack of diffusion and brightening optical functions, poor color performance, and high power consumption, and achieve the effects of improving overall performance, reducing failure margins, and improving display performance
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[0019] In this embodiment, the quantum dot fluorescent screen, such as figure 1 As shown, it includes a frame 1 and a liquid crystal module 2 and a backlight module 3 fixedly installed in the frame.
[0020] The backlight module 3 is installed on the back of the liquid crystal module 2, and the backlight module 3 includes a micro-nano structure diffusion film 31, an upper brightness enhancement film 32, a lower brightness enhancement film 33, a quantum dot composite diffusion film 34, and a light guide plate arranged sequentially from top to bottom. 35 and a total reflection film 36; the upper light enhancement film 32 and the lower light enhancement film 33 play the role of collecting excess light beyond the viewing angle in the horizontal and vertical directions in the module to increase the actual illumination intensity; the total reflection film 36 has a function of stopping light transmission, The effect of concentrating the illumination light on the upper surface.
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