Method and device for forming liquid crystal alignment layer
A liquid crystal display, particle technology, applied in nonlinear optics, instruments, optics, etc., can solve the problems of controlling the parallelism of liquid crystals, not knowing, etc.
Inactive Publication Date: 2004-04-07
INT BUSINESS MASCH CORP
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Problems solved by technology
However, no way is known to control the parallelism of liquid crystals
Method used
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example 1
[0088] refer to Figure 5a and 5b , when the spacing (r) of adjacent microbeam holes on the grid surface (ie "grid spacing") is 4.2mm, the working distance (Z i ) is 240mm, when the intensity of the second microbeam 50 emitted from the adjacent microbeam hole 22 is greater than the intensity of the first microbeam 60 emitted from the microbeam hole 20 at the orientation surface, the twist angle of the liquid crystal becomes 1 degree.
[0089] arctan(4.2 / 240)=1[degrees]
[0090] Can refer to Image 6 , where the acceptable working criteria can be chosen based on this maximum number of acceptable twist angles.
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Disclosed is a method for forming an alignment layer for use in a liquid crystal display cell. The present invention includes a method of determining ion beam source operation parameters to provide a twist angle that is less than a predetermined maximum twist angle. The present invention also discloses a method for forming an improved liquid crystal display cell and an improved liquid crystal display.
Description
technical field [0001] The present invention generally relates to liquid crystal displays, and in particular, relates to the material structure and preparation method of an alignment layer of liquid crystal material constituting a part of the liquid crystal display. Background technique [0002] Liquid crystal display (LCD) technology is used worldwide in a variety of products ranging from watches to cellular phones to computers. The value associated with this industry is estimated to be in the billions of dollars per year. [0003] An essential requirement for the manufacture of liquid crystal displays is the orientation of liquid crystal molecules (hereinafter referred to as "alignment layer") on the substrate surface (hereinafter referred to as "alignment surface"). Before forming a liquid crystal display cell, liquid crystal molecules are placed on an alignment surface. A common method of producing this oriented surface is to cover it with a film, such as a polyimide f...
Claims
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IPC IPC(8): G02F1/1337
CPCG02F1/13378
Inventor P·肖德哈尔连水池J·A·莱西E·A·加尔干中野宏毅J·P·多伊尔
Owner INT BUSINESS MASCH CORP