A photoalignment method of a display substrate, a display substrate, and a liquid crystal display panel
A technology of display substrate and alignment liquid, applied in optics, nonlinear optics, instruments, etc., can solve the problem of inconsistent chromaticity between the optical module setting area and the display area.
Active Publication Date: 2021-09-24
XIAMEN TIANMA MICRO ELECTRONICS
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Problems solved by technology
The optical module setting area and the display area have different transmittance spectra, which causes the chromaticity of the optical module setting area and the display area to be inconsistent
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[0026] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, but not to limit the present invention. In addition, it should be noted that, for the convenience of description, only some structures related to the present invention are shown in the drawings but not all structures.
[0027] Table 1 The light transmittance and chromaticity distribution table of the optical module installation area of a liquid crystal display panel provided by the embodiment of the present invention
[0028] Numbering Transmittance ΔW x
ΔW y
1 82.6％ 0.008 0.014 2 82.6％ 0.008 0.014 3 82.8％ 0.008 0.014 4 82.6％ 0.008 0.014 5 82.7％ 0.009 0.015
[0029] Table 1 is a light transmittance and chromaticity distribution table of an optical module setting are...
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Abstract
The present invention provides an optical alignment method of a display substrate, a display substrate and a liquid crystal display panel. The display substrate includes a display area and an optical module installation area, and the display area at least partially surrounds the optical module installation area. The optical alignment method includes: providing a lining base substrate; coating an alignment liquid on one side of the base substrate; the alignment liquid covers the display area and the optical module setting area; irradiating the alignment liquid in the display area with light of a first energy density, and irradiating with light of a second energy density Alignment liquid in the optical module setting area to form an alignment film, the first energy density is not equal to the second energy density; wherein, the part of the alignment film in the display area is the first sub-alignment film, and the alignment film is located in the optical module setting The part of the region is the second sub-alignment film, and the chromaticity of the first sub-alignment film is (X 1 , Y 1 ), the chromaticity of the second sub-alignment film is (X 2 , Y 2 ), X 1 >X 2 , Y 1 >Y 2 . The invention realizes that the chromaticity of the setting area of the optical module is consistent with that of the display area.
Description
technical field [0001] The invention relates to the field of display technology, in particular to a photo-alignment method of a display substrate, a display substrate and a liquid crystal display panel. Background technique [0002] With the development of science and technology and the progress of society, people are increasingly dependent on the exchange and transmission of information. As the main carrier and material basis for information exchange and transmission, displays have become a hot research topic for many scientists. [0003] In order to realize functions such as camera, it is often necessary to place an optical function module in the optical module setting area. The optical module setting area and the display area have different transmittance spectra, which results in inconsistent chromaticity between the optical module setting area and the display area. Specifically, under the illumination of the same light source, the light emitted through the display area ...
Claims
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IPC IPC(8): G02F1/1337
CPCG02F1/133711G02F1/133788
Inventor 卢丽君张振铖任玮李静邱英彰
Owner XIAMEN TIANMA MICRO ELECTRONICS