Active solid-state devices (e.g. – transistors – solid-state diode – Incoherent light emitter structure – With reflector – opaque mask – or optical element integral...
Reexamination Certificate
2005-02-22
2005-02-22
Flynn, Nathan J. (Department: 2826)
Active solid-state devices (e.g., transistors, solid-state diode
Incoherent light emitter structure
With reflector, opaque mask, or optical element integral...
C257S091000, C257S099000, C257S744000, C257S745000, C257S749000, C313S503000, C313S491000, C313S492000
Reexamination Certificate
active
06858878
ABSTRACT:
A light shield film is provided adjacent to an anode of an EL element that consists of the anode, an EL layer, and a cathode. The anode and the cathode are transparent or semitransparent to visible light and hence transmit EL light. With this structure, ambient light is absorbed by the light shield film and does not reach an observer. This prevents an external view from appearing on the observation surface.
REFERENCES:
patent: 5986401 (1999-11-01), Thompson et al.
patent: 6262441 (2001-07-01), Bohler et al.
patent: 6284393 (2001-09-01), Hosokawa et al.
patent: 6297495 (2001-10-01), Bulovic et al.
Koyama Jun
Yamazaki Shunpei
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