Liquid-crystal displaying device with adjustable viewing angle and method thereof
A liquid crystal display, narrow viewing angle technology, applied in static indicators, instruments, nonlinear optics, etc., can solve problems such as inability to adjust by the user, lowering of the brightness of the LCD panel 200, and lower brightness.
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no. 1 example
[0028] Please refer to Figure 4A , which is a schematic cross-sectional view of a liquid crystal display according to the first embodiment of the present invention. The liquid crystal display 400 includes a backlight assembly 410 , a grating 420 , an edge light device 430 and a display panel 440 . The backlight assembly 410 may be a direct type backlight assembly or an edge type backlight assembly. The grating 420 is, for example, a louver-like structure made of light-absorbing material to limit the light passing through it within a certain range and form approximately parallel light rays. The side light device 430 includes a transparent light guide plate 432 and a side light source 434 , such as a light tube or a light emitting diode. The diffused light guide plate 432 can pass through the light incident from below, and can also be used to diffuse the light emitted by the side light source 434 onto the display panel 440 in the form of scattering.
[0029] Please refer to ...
no. 2 example
[0034] Please refer to Figure 5A, which is a schematic cross-sectional view of a liquid crystal display according to the second embodiment of the present invention. The liquid crystal display 500 includes a backlight assembly 510 , a grating 520 , an edge light device 530 and a display panel 540 . The backlight assembly 510 may be a direct type backlight assembly or an edge type backlight assembly. The grating 520 is a louver-like structure made of light-absorbing material to limit the light passing through it within a certain range and form approximately parallel light rays. The side light device 530 includes a transparent directional light guide plate 532 , a first side light source 534 and a second side light source 536 . The first and second side light sources 534 and 536 are, for example, lamp tubes or light emitting diodes. The light guide plate 532 can pass through the light incident from below, and as Figure 5B As shown, the light guide plate 532 includes a first...
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