Patent classifications
H
ELECTRICITY
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H10
SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
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H10K
ORGANIC ELECTRIC SOLID-STATE DEVICES
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50/00
Organic light-emitting devices
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H10K50/86
Arrangements for improving contrast, e.g. preventing reflection of ambient light
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H10K50/865
comprising light absorbing layers, e.g. light-blocking layers
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