发明名称 |
Inducing tilted parallel alignment in liquid crystals |
摘要 |
A substrate is treated prior to use to induce a near-parallel orientation of a liquid crystal director relative to the substrate. A layer of silica is deposited on the substrate by in-line magnetron sputtering as the substrate is moved past the sputtering target, and the silica-coated substrate is thereafter treated with an alcohol that is selected from one of two classes of alcohols: (1) alcohols having an aromatic ring structure on one end of an aliphatic chain and a hydroxy group on the other end, with or without at least one ether group in the chain, and (2) an aliphatic chain having a hydroxy group at one end and at least one ether linkage in the chain. An example is 2-phenylethanol. The alcohol-treated substrate is covered with a layer of the liquid crystal. The process of the invention induces a tilt to the director of the liquid crystal. The tilt is about 0.5 DEG to 4 DEG , as measured parallel to the surface of the substrate.
|
申请公布号 |
US5529817(A) |
申请公布日期 |
1996.06.25 |
申请号 |
US19940268000 |
申请日期 |
1994.06.28 |
申请人 |
HUGHES AIRCRAFT COMPANY |
发明人 |
SMITH, JR., WILLIS H.;MILLER, LEROY J. |
分类号 |
G02F1/13;G02F1/1333;G02F1/1337;(IPC1-7):C09K19/00 |
主分类号 |
G02F1/13 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|