A liquid crystal display, display device

Abstract

The invention discloses a liquid crystal display and a display device, which are used for improving the efficiency of natural light modulation and realizing thinning of devices. The liquid crystal display includes an upper substrate and a lower substrate oppositely arranged, liquid crystal molecules located between the upper substrate and the lower substrate, several upper electrodes located on the upper substrate, and several lower electrodes located on the lower substrate; Each of the lower electrodes includes a plurality of metal wire grid polarizers; each of the upper electrodes and the lower electrodes at the corresponding positions of the upper electrodes form a ring electrode, and the upper electrodes and the lower electrodes are used to receive different polarizers. Potential voltage.

Description

technical field [0001] The invention relates to the field of display technology, in particular to a liquid crystal display and a display device. Background technique [0002] The liquid crystal modulation element uses the electronically controlled birefringence effect to provide retardation to the light wave passing through the liquid crystal layer to change the polarization condition of the light wave, thereby forming image light, such as: using a liquid crystal modulation element used as a two-dimensional pixel optical switch as an image modulation of a projection display device Unit LCD projector. [0003] Figure 1a It is the modulation effect of a single-layer liquid crystal cell on incident light. The liquid crystal cell includes an array substrate 12 and a color filter substrate 14 arranged oppositely, and a liquid crystal layer 13 between the array substrate 12 and the color filter substrate 14. The alignment film ( Not shown in the figure) the rubbing alignment dir...

AI Technical Summary

Problems solved by technology

[0005] In order to be able to simultaneously act on the polarization direction light perpendicular to the paper surface and the polarization direction light parallel to the paper surface, the prior art generally sets the liquid crystal cell into a double-layer structure, such as image 3 As shown, the rubbing alignment direction of the alignment film included in the lower liquid crystal cell to the liquid crystal is parallel to the paper surface, and the rubbing alignment direction of the alignment film included in the upper liquid crystal cell to the liquid crystal is perpendicular to the paper surface, from image 3 It can be seen from the figure that at this time, the liquid crystal cell with double-layer structure can simultaneously act on the components of the parallel and vertical polarization directions of natural light, thereby realizing the modulation of natural light; but the thickness of the liquid crystal cell with this double-layer structure in the prior art Thick and cannot be thinned

[0006] To sum up, in the prior art, due to the dependence of the polarization state of the incident light on the liquid crystal lens, a liquid crystal cell with a double-layer structure is required to modulate the natural light, resulting in an increase in the thickness of the overall device

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