US 7,486,019 B2
	Flexible high-temperature ultrabarrier
Raghunath Padiyath, Woodbury, Minn. (US); and Mark A. Roehrig, La Mesa, Calif. (US)
Assigned to 3M Innovative Properties Company, St. Paul, Minn. (US)
Filed on Nov. 14, 2005, as Appl. No. 11/272,929.
Application 11/272929 is a division of application No. 10/405284, filed on Apr. 02, 2003, granted, now 7,018,713.
Prior Publication US 2006/0062937 A1, Mar. 23, 2006
Int. Cl. H01J 1/62 (2006.01); H01J 63/04 (2006.01)

U.S. Cl. 313—512  [313/498; 313/506; 313/238; 313/292]

15 Claims

1. A display or illuminating device comprising a moisture- or oxygen-sensitive light source or light valve at least partially covered with a barrier assembly comprising a flexible visible light-transmissive substrate having a Tg greater than or equal to that of HSPET overcoated with a polymer layer having a Tg greater than or equal to that of HSPET and further overcoated with at least two visible light-transmissive inorganic barrier layers separated by at least one polymer layer having a Tg greater than or equal to that of HSPET.