Display device, method, and terminal device having switchable viewing angle
A technology of viewing angle and equipment, which is applied in the field of display equipment, can solve the problems of difficult to watch images, failure to overcome, and color shift, and achieve the effect of suppressing changes in brightness and hue
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[0033] Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings. figure 1 is a diagram of a liquid crystal display device with a switchable viewing angle according to an embodiment of the present invention. Planar light is emitted from the planar light source 1 as a backlight, and enters the liquid crystal display panel 2 through the switching element 6 .
[0034] The planar light source 1 may be a bottom-emitting planar light source or a side-emitting planar light source. The bottom-emitting planar light source includes a light source and a diffuser plate placed on the light source. The side-emitting planar light source includes an optical waveguide and a light source placed beside the optical waveguide. In any of these cases, the brightness of the planar light source varies according to the luminous flux of the light source. The brightness of the planar light source 1 is adjusted by the light source control...
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