Global Patent Index - EP 1090327 A1

EP 1090327 A1 20010411 - 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 20010411 (DE)

Application

EP 99929152 A 19990608

Priority

  • DE 19825487 A 19980608
  • EP 9903941 W 19990608

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

G02F 1/141

IPC 8 full level

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

CPC (source: EP US)

C09K 19/0225 (2013.01 - EP US); G02F 1/1416 (2013.01 - EP US); G02F 1/133749 (2021.01 - EP US); G02F 1/13706 (2021.01 - EP US)

Citation (search report)

See references of WO 9964925A1

Designated contracting state (EPC)

DE FR GB

DOCDB simple family (publication)

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

DOCDB simple family (application)

DE 19825487 A 19980608; EP 10180673 A 19990608; EP 9903941 W 19990608; EP 99929152 A 19990608; JP 2000553862 A 19990608; US 70198601 A 20010309