Roll coated EL panel

Details Roll coated EL panel Roll coated EL panel

1997-06-02

1998-11-03

Ramsey, Kenneth J.

Electric lamp or space discharge component or device manufacturi

Process

With assembly or disassembly

445 52, H05B 3302

Patent

active

058300287

ABSTRACT:
In a process for making an EL lamp, a rear electrode is roll coated on a temporary substrate, followed by successive roll coatings of a dielectric layer and a phosphor layer. A transparent, conductive layer on a transparent substrate is laminated to the phosphor layer layer and the temporary substrate is removed. The layers are applied from a slurry or ink and bladed to a uniform thickness across the width of the temporary substrate. The process can be continuous using rolls of material for the temporary substrate. The length of a lamp is limited by the length of the temporary substrate. The width of the lamp is determined by the size of the apparatus used to apply and to spread the layers.

REFERENCES:
patent: 4684353 (1987-08-01), DeSouza
patent: 5055360 (1991-10-01), Ogura et al.
patent: 5309060 (1994-05-01), Sharpless et al.
patent: 5399936 (1995-03-01), Namiki et al.
patent: 5488266 (1996-01-01), Aoki et al.

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