Global patent index - EP 1090327 A1

EP 1090327 A1 2001-04-11 - MONOSTABLE FERROELECTRIC ACTIVE MATRIX DISPLAY

Title (en)

MONOSTABLE FERROELECTRIC ACTIVE MATRIX DISPLAY

Title (de)

MONOSTABILES FERROELETRISCHES AKTIVMATRIX-DISPLAY

Title (fr)

AFFICHAGE A MATRICE ACTIVE FERROELECTRIQUE MONOSTABLE

Publication

EP 1090327 A1 (DE)

Application

EP 99929152 A

Priority

  • DE 19825487 A
  • EP 9903941 W

Abstract (en)

[origin: DE19825487A1] The invention relates to a monostable ferroelectric active matrix display containing a liquid crystal layer in the form of a monodomain having a clearly defined direction of the normals z to the layer of the smC* phase, whereby the liquid crystal layer preferably comprises a chevron C-1, Chevron C-2 or a bookshelf geometry.

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

G02F 1/141

IPC 8 full level (invention and additional information)

C09K 19/02 (2006.01); G02F 1/1337 (2006.01); G02F 1/137 (2006.01); G02F 1/141 (2006.01)

CPC (invention and additional information)

C09K 19/0225 (2013.01); G02F 1/1416 (2013.01); G02F 2001/133749 (2013.01); G02F 2001/13706 (2013.01)

Citation (search report)

See references of WO 9964925A1

Designated contracting state (EPC)

DE FR GB

EPO simple patent family

DE 19825487 A1 19991209; EP 1090327 A1 20010411; EP 2348356 A1 20110727; JP 2002517798 A 20020618; JP 4728479 B2 20110720; US 6661494 B1 20031209; WO 9964925 A1 19991216

INPADOC legal status

2016-01-06 [INTG] ANNOUNCEMENT OF INTENTION TO GRANT

- Ref Legal Event Code: INTG

- Effective date: 20151207

2015-12-23 [RIC1] CLASSIFICATION (CORRECTION)

- Ref Legal Event Code: RIC1

- IPC: G02F 1/137 20060101ALI20151113BHEP

2015-12-23 [RIC1] CLASSIFICATION (CORRECTION)

- Ref Legal Event Code: RIC1

- IPC: C09K 19/02 20060101AFI20151113BHEP

2015-12-23 [RIC1] CLASSIFICATION (CORRECTION)

- Ref Legal Event Code: RIC1

- IPC: G02F 1/141 20060101ALI20151113BHEP

2015-12-23 [RIC1] CLASSIFICATION (CORRECTION)

- Ref Legal Event Code: RIC1

- IPC: G02F 1/1337 20060101ALI20151113BHEP

2006-07-05 [RAP1] TRANSFER OF RIGHTS OF AN EP PUBLISHED APPLICATION

- Owner name: AZ ELECTRONIC MATERIALS (GERMANY) GMBH

- Ref Legal Event Code: RAP1

2002-11-13 [17Q] FIRST EXAMINATION REPORT

- Ref Legal Event Code: 17Q

- Effective date: 20021001

2001-04-11 [17P] REQUEST FOR EXAMINATION FILED

- Ref Legal Event Code: 17P

- Effective date: 20001228

2001-04-11 [AK] DESIGNATED CONTRACTING STATES:

- Ref Legal Event Code: AK

- Designated State(s): DE FR GB