Methods of encapsulating electroluminescent apparatus

Details Methods of encapsulating electroluminescent apparatus Methods of encapsulating electroluminescent apparatus

1998-09-02

2000-06-27

Ramsey, Kenneth J.

Electric lamp or space discharge component or device manufacturi

Process

With assembly or disassembly

445 43, H05B 3310

Patent

active

060800313

ABSTRACT:
A method of encapsulating organic electroluminescent (EL) devices including providing an EL device on a substrate and a metallic sheet having a stand-off structure depending therefrom, the stand-off structure bounding a cavity larger than the EL device. The stand-off structure is positioned over the EL device with the EL device nested within the cavity. The metallic sheet is adhesively bonded to the substrate at a perimeter outboard of the stand-off structure to seal the organic electroluminescent device in the cavity. When a plurality of EL devices are manufactured on a single substrate, the metallic sheet is perforated at the perimeter of each device so that excess metal can be separated and the substrate separated to provide individual EL devices.

REFERENCES:
patent: 5635672 (1997-06-01), Kawaura
patent: 5757126 (1998-05-01), Harvey, III et al.
patent: 5771562 (1998-06-01), Harvey, III et al.

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