Phosphor only etching process for TFEL panel having multiple-col

Details Phosphor only etching process for TFEL panel having multiple-col Phosphor only etching process for TFEL panel having multiple-col

1989-01-13

1990-01-16

Powell, William A.

Adhesive bonding and miscellaneous chemical manufacture

Delaminating processes adapted for specified product

Delaminating in preparation for post processing recycling step

156630, 156633, 156634, 156646, 156651, 156652, 156655, 156656, 1566591, B44C 122, C03C 1500, C03C 2506

Patent

active

048941166

ABSTRACT:
A process for manufacturing a TFEL panel having a plurality of side-by-side phosphor stripes of different colors includes the steps of placing a thin film phosphor layer of a first color producing phosphor on top of transparent electrodes covered by an insulator and subjecting the phosphor to an etching process to leave thin elongate stripes. A second phosphor layer is deposited over the first phosphor stripes and the etch is repeated to leave adjacent stripes of a second color-producing phosphor. An insulating layer and a second set of electrodes are placed atop the stripes to complete the panel which is supported on a glass substrate.

REFERENCES:
patent: 3914464 (1975-10-01), Thomasson et al.

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