US 7,453,640 B2
	Liquid crystal display including O-type and E-type polarizer
Pochi Yeh, Thousand Oaks, Calif. (US); Alla Y Sakharova, Belmont, Calif. (US); and Yuri A Bobrov, Moscow (Russian Federation)
Assigned to Nitto Denko Corporation, Ibaraki-shi (Japan)
Filed on Jan. 07, 2006, as Appl. No. 11/326,941.
Application 11/326941 is a division of application No. 10/240531, granted, now 7,015,990, previously published as PCT/US01/13189, filed on Apr. 24, 2001.
Claims priority of application No. 2000110172 (RU), filed on Apr. 24, 2000.
Prior Publication US 2006/0114376 A1, Jun. 01, 2006
This patent is subject to a terminal disclaimer.
Int. Cl. G02B 5/30 (2006.01)

U.S. Cl. 359—492  [349/194]

11 Claims

1. A polarizer, comprising at least two layers, at least one of which is an O-type polarizer and at least one of the other is an E-type polarizer, one of the polarizers having negative dielectrical anisotropy and negative dichroism and the other polarizer having positive dielectrical anisotropy and positive dichroism.