Electroluminescent lighting element with a light-permeable refle

Details Electroluminescent lighting element with a light-permeable refle Electroluminescent lighting element with a light-permeable refle

1997-02-24

1998-11-24

Patel, Ashok

Electric lamp and discharge devices

With luminescent solid or liquid material

Solid-state type

313509, 313512, 313113, H05B 3300

Patent

active

058412301

ABSTRACT:
On an upper surface of an insulating transparent film, a transparent electrode layer, a phosphor layer, a dielectric layer, a back-surface electrode, collecting electrode layers, and an insulating coat layer are successively accumulated in predetermined patterns by repeating screen printing operations. Meanwhile, a light-permeable reflection layer containing pearly pigment is formed on a lower surface of the insulating transparent film in a predetermined pattern by a printing operation. With this arrangement, it becomes possible to eliminate the color difference of the light-emitting surface of the EL lighting element between its turned-on and turned-off conditions.

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