Process for the production of LCDs

US7583333B2 · kind B2 · utility

Assignee

• LEONHARD KURZ Stiftung & Co. KG · DE

Inventors

• Ulrich Schindler · Grafing, DE
• Steffen Weiss · Eindhoven, NL

Key dates

• Filing date: Nov 1, 2007
• Grant date: Sep 1, 2009
• Expiry date: Apr 24, 2028

Classification

• Technology area (CPC G): Physics
• CPC primary: G02F1/1345
• WIPO field: Optics
• WIPO sector: Instruments

Abstract

There is described a process for the production of LCDs, in particular PDLCDs, preferably in a roll-to-roll process, wherein in a first process step a first contact layer (12) and a first electrode layer (14) spaced therefrom is applied to a base carrier (10). A first and a second delimitation layer (18, 20) is then applied to the base carrier (10). Thereafter a functional layer (26) comprising a PDLCD mixture provided in a porous support matrix is applied between the first and second delimitation layers (18 and 20). A protective layer (28) is then applied to the functional layer (26) between the first and second delimitation layers (18 and 20) and finally there is applied to the protective layer (28) a second electrode layer (30) which is contacted with the first contact layer (12).