Light emitting device having convex-and-concave structure on sub

Details Light emitting device having convex-and-concave structure on sub Light emitting device having convex-and-concave structure on sub

1996-07-24

1999-08-10

Patel, Vip

Electric lamp and discharge devices

With luminescent solid or liquid material

Solid-state type

313506, H01J 162

Patent

active

059363479

ABSTRACT:
The invention provides a light emitting device with a simple device structure capable of emitting light of various colors. The light emitting device can be produced by simple processing steps: A mold is pressed convex-and-concave against a glass substrate thereby forming a corresponding convex-and-concave structure on the glass substrate; a dielectric layer and a positive electrode layer are successively formed on the glass substrate, thereby forming a positive electrode substrate; a negative electrode substrate provided with a negative electrode layer formed thereon, is prepared; an active layer material is coated on the negative electrode substrate; and the positive and negative electrode substrates are bonded to each other via a spacer.

REFERENCES:
patent: 5352543 (1994-10-01), Ryu
patent: 5371434 (1994-12-01), Rawlings
patent: 5384517 (1995-01-01), Uno
T. Nakayama, et al., "The Characteristics of Organic Light-Emitting Devices with an Optical Microcavity Structure", Appl. Phys. Lett. 63, No. 5, p. 594 (1993).

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