Liquid crystal display device having an orientation layer containing liquid crystal with a controlled orientation and method for manufacturing the same

A method for manufacturing an information display device having a liquid crystal layer sandwiched between substrates, comprising the steps of:

• (a) forming a liquid crystal orientation layer made of a mixture of a polymerizable high polymer and liquid crystal molecules on at least one of said substrates;
• and
• (b) controlling an orientation direction of the liquid crystal molecules in said liquid crystal orientation layer at a predetermined angle while polymerizing the polymerizable higher polymer in accordance with a voltage applied by plural voltage applying elements located on one side of said liquid crystal orientation layer to said liquid crystal orientation layer.

A method for manufacturing an information display device having a liquid crystal layer sandwiched between substrates, comprising the steps of:

• (a) forming a liquid crystal orientation layer made of a mixture of a polymerizing the polymerizable high polymer and liquid crystal molecules on at least on one of said substrates;
• and
• (b) controlling an orientation direction of the liquid crystal molecules in said liquid crystal orientation layer to be 1.degree. while polymerizing the polymerizable high polymer by hardening the polymerizable high polymer by projecting an ultraviolet ray having an intensity of 20 mW/cm.sup.2 while applying a voltage to said liquid crystal orientation layer so that the orientation direction of said liquid crystal molecules is set to 1.degree..

A method for manufacturing an information display device having a liquid crystal layer sandwiched between substrates, comprising the steps of:

• (a) forming a liquid crystal orientation layer made of a mixture of a polymerizable high polymer and liquid crystal molecules on at least on one of said substrates;
• and
• (b) controlling an orientation direction of the liquid crystal molecules in said liquid crystal orientation layer at a predetermined angle by applying a static magnetic field to said liquid crystal orientation layer in a direction set to a desired pretilt angle of the liquid crystal molecules in said liquid crystal orientation layer wile polymerizing the polymerizable high polymer.

A method for manufacturing an information display device having a liquid crystal layer sandwiched between substrates, comprising the steps of:

• (a) forming a liquid crystal orientation layer made of a mixture of a polymerizable high polymer and liquid crystal molecules on at least on one of said substrate;
• and
• (b) controlling a pretilt angle of the liquid crystal molecules in said liquid crystal orientation layer to be 1.degree. while polymerizing the polymerizable high polymer by hardening the polymerizable high polymer by projecting an ultraviolet ray having an intensity of 20 mW/cm.sup.2 to said liquid crystal orientation layer while applying a static magnetic field of 300000 Gauss to said liquid crystal orientation layer in a direction tilted from a substrate normal by 1.degree..