Plane display device and light gathering type diffusing plate therefor
A flat-panel display and diffusion plate technology, which is applied in the fields of instruments, optics, nonlinear optics, etc., can solve the problems of increasing assembly man-hours and increasing costs, and achieve the effect of reducing assembly man-hours and maintaining optical performance and image quality
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[0021] FIG. 2 is a schematic cross-sectional view of a flat panel display according to a preferred embodiment of the present invention. Referring to FIG. 2, the flat panel display of this embodiment includes a backlight module 200, a light-concentrating diffuser plate (Brightness Enhancement Diffuser Plate, BEDP) 220 disposed on the backlight module 200, and a liquid crystal display panel 210, wherein the backlight module 200 can be directly type backlight module. The concentrating diffusion plate 220 is located between the backlight module 200 and the liquid crystal display panel 210, and includes a first diffusion layer 220a and a second diffusion layer 220b, wherein the first diffusion layer 220a is arranged adjacent to the liquid crystal display panel 210, and the second diffusion layer The layer 220b is disposed adjacent to the first diffusion layer 220a, and the first diffusion layer 220a and the second diffusion layer 220b have different refractive index (RefractiveInde...
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