Organic electroluminescent display having light scattering film

Details Organic electroluminescent display having light scattering film Organic electroluminescent display having light scattering film

2008-08-20

2011-10-18

Walford, Natalie K (Department: 2879)

Electric lamp and discharge devices

With luminescent solid or liquid material

Solid-state type

C313S483000, C313S498000, C313S500000, C313S501000, C313S506000, C313S509000, C313S503000

Reexamination Certificate

active

08040046

ABSTRACT:
An organic electroluminescent display includes a pair of substrates; an organic electroluminescent device between the pair of substrates, including: a pair of electrodes of an anode and a cathode, and a light-emitting layer between the pair of electrodes; and a light scattering film on a substrate on the viewing side of the pair of substrates, including: a transparent substrate film, and a light scattering layer which contains a light transmitting resin and a light scattering particle having a particle size of from 0.3 μm to 1.2 μm, wherein a ratio of (np
b) is from 0.80 to 0.95 or from 1.05 to 1.35, taking a refractive index of the light scattering particle and the light transmitting resin as np and nb, respectively.

REFERENCES:
patent: 7245074 (2007-07-01), Shiang
patent: 2006/0082285 (2006-04-01), Wu et al.
patent: 2007/0108900 (2007-05-01), Boek et al.
patent: 2009/0051277 (2009-02-01), Inoue et al.
patent: 11-329742 (1999-11-01), None
patent: 2002-270365 (2002-09-01), None
patent: 2003-173877 (2003-06-01), None
English machine translation of JP 11-329742 (Hosokawa et al).

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