Display panel, preparation method thereof and display device
A display panel and display area technology, applied in optics, instruments, nonlinear optics, etc., can solve the problem of uneven distribution of internal haze, improve the uniformity of haze distribution, and achieve the effect of anti-peep performance.
Pending Publication Date: 2022-03-11
WUHAN CHINA STAR OPTOELECTRONICS TECH CO LTD
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Problems solved by technology
[0004] Embodiments of the present invention provide a display panel, its preparation method, and a display device to solve the problem that when the existing display panel uses an ultraviolet light mask to cure the frame glue, the ultraviolet light will be diffracted at the edge of the mask, and the diffracted light will The polymer monomer located adjacent to the sealant will cause its cross-linking reaction to occur in advance, which will cause the technical problem of uneven distribution of internal haze after the polymer monomer is cured
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[0060] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative efforts fall within the protection scope of the present invention. In addition, it should be understood that the specific embodiments described here are only used to illustrate and explain the present invention, and are not intended to limit the present invention. In the present invention, unless stated to the contrary, the used orientation words such as "up" and "down" usually refer to up and down in the actual use or working state of the device, specifically the direction of the drawing in the drawings ; while "inside" and "outside" refer to ...
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Abstract
The invention discloses a display panel and a preparation method thereof and a display device, the display panel comprises a display main body and a dimming liquid crystal box, the dimming liquid crystal box comprises a first substrate, a second substrate, a dimming liquid crystal layer and a frame glue layer, and the dimming liquid crystal layer comprises a polymer network and liquid crystal molecules; the ultraviolet light transmittance of the first substrate in the display area is set to be smaller than the preset threshold value, and when the ultraviolet light performs curing treatment on the frame glue layer, the ultraviolet light intensity cannot reach the reaction threshold value of the cross-linking reaction of the pre-polymerized molecules, so that the pre-polymerized molecules can be prevented from being exposed in advance in the frame glue curing process, and the yield of the frame glue layer is improved. The in-plane haze distribution uniformity can be improved; the ultraviolet light transmittance of the second substrate in the display area is set to be larger than or equal to the preset threshold value, and when the prepolymer molecules are subjected to curing treatment, the ultraviolet light intensity can enable the prepolymer molecules to be subjected to a cross-linking reaction to form a polymer network.
Description
technical field [0001] The invention relates to the field of display technology, in particular to a display panel, a manufacturing method thereof, and a display device. Background technique [0002] Adding a dimming liquid crystal cell to control the viewing angle on one side of the conventional display liquid crystal cell can make the display panel freely switch between the private mode with a narrow viewing angle and the sharing mode with a wide viewing angle. [0003] The polymer liquid crystal in the dimming liquid crystal cell is usually prepared by liquid crystal dripping or pouring. Therefore, it is necessary to solidify the polymer monomer and the liquid crystal miscible to form a polymer network. Because the polymer monomer and the frame The intensity of ultraviolet light required for the curing of the glue is different. In order to ensure the dimming characteristics of the polymer monomer and prevent the puncture of the liquid crystal, the curing of the polymer mon...
Claims
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IPC IPC(8): G02F1/13G02F1/1334G02F1/1339G02F1/1343G02F1/1335G02F1/1347
CPCG02F1/1323G02F1/13345G02F1/1339G02F1/134309G02F1/13439G02F1/133512G02F1/1347
Inventor邓茜程薇
OwnerWUHAN CHINA STAR OPTOELECTRONICS TECH CO LTD