David J Swift

US Patent:

6887729, May 3, 2005

Filed:

Oct 3, 2002

Appl. No.:

10/264337

Inventors:

Zongkai Wang - Port Washington NY, US
Shu Fang Han - New Hyde Park NY, US
Adam W. Divelbiss - Wappingers Falls NY, US
David C. Swift - Cortlandt Manor NY, US

Assignee:

Reveo, Inc. - Elmsford NY

International Classification:

H01L021/00
G02F001/1335

US Classification:

438 30, 349 95, 349 96, 349 98, 349124

Abstract:

The invention is a method for creating a micropolarizer, including providing a first plate having a first and a second surface, providing a second plate having a first and a second surface. Then coating a polyimide on each of the first surface of the two plates followed by rubbing the polyimide coated upon the first surface of the first plate along a predetermined direction and rubbing the polyimide coated upon the first surface of the second plate along a direction having a predetermined angle in relation to the predetermined direction. An alignment process includes aligning the first plate and the second plate having the first surface of the first plate and the first surface of the second plate facing each other thereby creating a space there between. In conclusion there is a filling of a liquid crystal material in the space whereby a cell, or film is created.

US Patent:

7385669, Jun 10, 2008

Filed:

Mar 21, 2005

Appl. No.:

11/085833

Inventors:

Zongkai Wang - Port Washington NY, US
Shu Fang Han - New Hyde Park NY, US
Adam W. Divelbiss - Wappingers Falls NY, US
David C. Swift - Cortlandt Manor NY, US

Assignee:

Vrex, Inc. - Hawthorne NY

International Classification:

G02F 1/13

US Classification:

349194, 349187, 349 96, 359483

Abstract:

The invention is a method for creating a micropolarizer, including providing a first plate having a first and a second surface, providing a second plate having a first and a second surface. Then coating a polyimide on each of the first surface of the two plates followed by rubbing the polyimide coated upon the first surface of the first plate along a predetermined direction and rubbing the polyimide coated upon the first surface of the second plate along a direction having a predetermined angle in relation to the predetermined direction. An alignment process includes aligning the first plate and the second plate having the first surface of the first plate and the first surface of the second plate facing each other thereby creating a space there between. In conclusion there is a filling of a liquid crystal material in the space whereby a cell, or film is created.