Global Patent Index - EP 1019781 A1

EP 1019781 A1 2000-07-19 - LIQUID CRYSTAL CELL

Title (en)

LIQUID CRYSTAL CELL

Title (de)

FLÜSSIGKRISTALLZELLE

Title (fr)

CELLULE A CRISTAL LIQUIDE

Publication

EP 1019781 A1 (DE)

Application

EP 98954214 A

Priority

  • DE 9802806 W
  • DE 19744249 A

Abstract (en)

[origin: DE19744249A1] the liquid crystal cell has first and second layers, a liquid crystal between the layers, two electrodes associated with the liquid crystal, whereby at least one electrode is mounted in the second layer, at least one polarization layer on the second layer and an illumination device mounted on the side of the second layer remote from the liquid crystal. The polarization layer (49) is mounted in the second layer (21) on the side of the electrode layer (47) remote from the illumination device (5)

IPC 1-7 (main, further and additional classification)

G02F 1/1343; G02F 1/1335

IPC 8 full level (invention and additional information)

G02F 1/1335 (2006.01); G02F 1/1343 (2006.01)

CPC (invention and additional information)

G02F 1/133528 (2013.01); G02F 2001/133565 (2013.01)

Combination set (CPC)

G02F 2001/133565 + G02F 1/133528

Citation (search report)

See references of WO 9918475A1

Designated contracting state (EPC)

DE FR IT

EPO simple patent family

DE 19744249 A1 19990429; EP 1019781 A1 20000719; JP 2001519547 A 20011023; WO 9918475 A1 19990415

INPADOC legal status


2003-01-02 [18D] DEEMED TO BE WITHDRAWN

- Effective date: 20020625

2002-04-03 [17Q] FIRST EXAMINATION REPORT

- Effective date: 20020213

2000-07-19 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 20000508

2000-07-19 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A1

- Designated State(s): DE FR IT