Liquid crystal display element, methods of producing and storing the same, and electronic equipment on which the same is mounted
First Claim
1. A method of producing a liquid crystal display element having a pair of flexible substrates sealed to each other by a sealing member with a plurality of spacers therebetween defining a predetermined space between said substrates and a liquid crystal material located in said space, each of said substrates containing a gas barrier film and an orientating film, said orientating film being in contact with said liquid crystal material, said method including the steps of:
- performing a gas barrier treatment on said substrates by sealing edges of said substrates; and
placing the liquid crystal display element in a vacuum dryer under reduced pressure for about 24 hours prior to use.
0 Assignments
0 Petitions
Accused Products
Abstract
A liquid crystal display element utilizing flexible gas barrier films decreases poor display performance caused by bubble formation. This decrease is achieved by reducing the permeation of gas and water vapor from the gas barrier films into substrates by devising the structure of the element and the configuration in which the element is mounted. Specifically, edges of the substrates forming the liquid crystal display elements are sealed. Additionally, the gas and water vapor saturation solubilities of the liquid crystal material is controlled to improve resistance to bubble formation. The liquid crystal display elements can also be subjected to and/or stored in a reduced pressure. Electronic equipment incorporating liquid crystal display elements can include a guard plate having a minimum thickness and/or spacing from the display elements.
145 Citations
33 Claims
-
1. A method of producing a liquid crystal display element having a pair of flexible substrates sealed to each other by a sealing member with a plurality of spacers therebetween defining a predetermined space between said substrates and a liquid crystal material located in said space, each of said substrates containing a gas barrier film and an orientating film, said orientating film being in contact with said liquid crystal material, said method including the steps of:
-
performing a gas barrier treatment on said substrates by sealing edges of said substrates; and placing the liquid crystal display element in a vacuum dryer under reduced pressure for about 24 hours prior to use. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18)
-
-
19. A liquid crystal display element comprising:
-
a pair of flexible substrates sealed to one another by a sealing member, each of said substrates containing a gas barrier film and an orientating film located on sides of said substrates which oppose one another; a plurality of spacers disposed between said substrates, said spacers maintaining a predetermined space between said substrates; and a liquid crystal material sealed in said predetermined space between said substrates, said liquid crystal material having an oxygen saturation solubility of at least 10 μ
l/ml;wherein edges of said substrates are sealed thereby providing reduced permeation of gas and water vapor into the liquid crystal material. - View Dependent Claims (20, 21, 22, 23, 24, 25, 26, 27)
-
-
28. A method of producing a liquid crystal display element having a pair of flexible substrates sealed to each other by a sealing member with a plurality of spacers therebetween defining a predetermined space between said substrates and a liquid crystal material located in said space, each of said substrates containing a gas barrier film and an orientating film, said orientating film being in contact with said liquid crystal material, said method including the steps of:
-
performing a gas barrier treatment on said substrates by sealing edges of said substrates; storing the sealed liquid crystal display element in a vacuum dryer under reduced pressure after performing the gas barrier treatment on said substrates; and removing the sealed liquid crystal display element from storage for assembly onto electronic equipment.
-
-
29. A liquid crystal display element comprising:
-
a pair of flexible substrates sealed to one another by a sealing member, each of said substrates containing a gas barrier film and an orientating film located on sides of said substrates which oppose one another; a plurality of spacers disposed between said substrates, said spacers maintaining a predetermined space between said substrates; and a liquid crystal material sealed in said predetermined space between said substrates, said liquid crystal material having a nitrogen saturation solubility of at least 10 μ
l/ml;wherein edges of said substrates are sealed thereby providing reduced permeation of gas and water vapor into the liquid crystal material. - View Dependent Claims (30)
-
-
31. A liquid crystal display element comprising:
-
a pair of flexible substrates sealed to one another by a sealing member, each of said substrates containing a gas barrier film and an orientating film located on sides of said substrates which oppose one another; a plurality of spacers disposed between said substrates, said spacers maintaining a predetermined space between said substrates; and a liquid crystal material sealed in said predetermined space between said substrates, said liquid crystal material having a saturation solubility of water vapor of at least 100 ppm; wherein edges of said substrates are sealed thereby providing reduced permeation of gas and water vapor into the liquid crystal material. - View Dependent Claims (32)
-
-
33. A method of producing a liquid crystal display element having a pair of flexible substrates sealed to each other by a sealing member with a plurality of spacers therebetween defining a predetermined space between said substrates and a liquid crystal material located in said space, each of said substrates containing a gas barrier film and an orientating film, said orientating film being in contact with said liquid crystal material, said method including the steps of:
-
performing a gas barrier treatment on said substrates by sealing edges of said substrates; and placing the liquid crystal display element in a vacuum dryer under reduced pressure for about 24 hours after assembly of the liquid crystal display element.
-
Specification