ORGANIC LIGHT EMITTING DEVICE

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United States of America Patent

SERIAL NO

15515748

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Abstract

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An organic light-emitting device (100) comprising an anode (103); a cathode (109); a first light-emitting layer (107) comprising a first light-emitting material between the anode and the cathode; and a hole-transporting layer (105) comprising a hole-transporting polymer between the anode and the first light-emitting layer and adjacent to the first light-emitting layer, wherein a HOMO level of the first light-emitting material is closer to vacuum than a HOMO level of the hole-transporting polymer and wherein more than 50 mol % of the repeat units of the hole-transporting polymer are hole-transporting repeat units.

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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

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
ARCHER, Robert Goodmanchester, GB 20 123
BOURCET, Florence Goodmanchester, GB 34 42
KING, Simon Goodmanchester, GB 56 608
WILSON, Richard J Goodmanchester, GB 19 409

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