Organic light emitting device

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United States of America Patent

PATENT NO 9859498
SERIAL NO

14919460

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Abstract

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An OLED comprising a hole-transporting layer and light-emitting layer wherein the hole-transporting layer comprises a hole-transporting polymer wherein no more than 5% of the polystyrene equivalent polymer weight measured by gel permeation chromatography consists of chains with weight of less than 50,000.

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Patent Owner(s)

Patent OwnerAddress
SUMITOMO CHEMICAL COMPANY LIMITED27-1 SHINKAWA 2-CHOME CHUO-KU TOKYO 104-8260
CAMBRIDGE DISPLAY TECHNOLOGY LIMITEDBUILDING 2020 CAMBOURNE BUSINESS PARK CAMBRIDGESHIRE CB23 6DW

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Humphries, Martin Godmanchester, GB 39 86
Pegington, Ruth Godmanchester, GB 20 101

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