Organic EL light emitting device and electronic apparatus

Details Organic EL light emitting device and electronic apparatus Organic EL light emitting device and electronic apparatus

2005-10-25

2005-10-25

Crane, Sara (Department: 2811)

Active solid-state devices (e.g., transistors, solid-state diode

Organic semiconductor material

C257S099000, C313S506000

Reexamination Certificate

active

06958488

ABSTRACT:
The invention provides an organic EL (electroluminescence) light emitting device that includes a plane emission-type first organic EL light emitter, and a side emission-type second organic EL light emitter. The first organic EL light emitter includes a glass substrate, and an ITO film, an organic layer, a cathode layer, and a sealing substrate, which are laminated on the back of the glass substrate. The second organic EL light emitter includes a glass substrate, and an ITO film, a luminescent layer, a cathode layer, and a sealing substrate, which are laminated on either of the front and back sides of the glass substrate. The outer surface of the second organic EL light emitter is covered with a high-reflectance mirror except a portion of the side of the glass substrate. An aperture of the second organic EL light emitter is disposed opposite to the side of the glass substrate of the first organic EL light emitter. Accordingly, the invention increases a quantity of light emitted from the first organic EL light emitter.

REFERENCES:
patent: 5505985 (1996-04-01), Nakamura et al.
patent: 5917280 (1999-06-01), Burrows et al.
patent: 6293683 (2001-09-01), Okada
patent: 6332690 (2001-12-01), Murofushi
patent: 6447133 (2002-09-01), Eschke et al.
patent: 6535190 (2003-03-01), Evanicky

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