Electric lamp and discharge devices – With luminescent solid or liquid material – Solid-state type
Patent
1992-06-11
1996-09-24
Yusko, Donald J.
Electric lamp and discharge devices
With luminescent solid or liquid material
Solid-state type
313509, 313583, 313355, 2525011, H01J 162
Patent
active
055593992
ABSTRACT:
An electroluminescent display includes a transparent electrode (4) and a metal assist structure (6) formed over a portion of the transparent electrode (6) such that the metal assist structure (6) is in electrical contact with the transparent electrode (4). The metal assist structure (6) includes a first refractory metal layer (10), a primary conductor layer (12) formed on the first refractory metal layer (10), and a second refractory metal layer (14) formed on the primary conductor layer (12). The first and second refractory metal layers (10, 14) are capable of protecting the primary conductor layer (12) from oxidation when the electroluminescent display is annealed to activate a phosphor layer (18). In an alternate embodiment, an electroluminescent display includes a substrate (2) and a metal electrode (22) formed on the substrate (2). The metal electrode (22) includes a first refractory metal layer (10), a primary conductor layer (12) formed on the first refractory metal layer (10), and a second refractory metal layer (14) formed on the primary conductor layer (12).
REFERENCES:
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patent: 4693906 (1987-09-01), Lindmayer
patent: 4719152 (1988-01-01), Ohta et al.
patent: 4736229 (1988-04-01), Holmberg et al.
patent: 5057244 (1991-10-01), Nitta et al.
Fabrication of High-Conductivity, Transparent Electrodes with Trenched Metal Bus Lines, by O. J. Gregory et al., Published in J. Electrochem. Soc., vol. 138, No. 7, Jul. 1991 at pp. 2070-2075.
A 9-in-Diagonal High-Contrast Multicolor TFEL Display, by W. Barrow, Published in Digest of Technical Papers, 1992 Society for Information Display International Symposium, May 1992 at pp. 348-351.
Branciforte Emilio J.
Carroll Roger
Tanski William J.
Norden Systems, Inc.
O'Shea Patrick J.
Patel Vip
Yusko Donald J.
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