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US 11,778,843 B2Granted
Light-emitting device and manufacturing method of light-emitting device
AssigneeSharp Kabushiki Kaisha
InventorsHisayuki Utsumi, Youhei Nakanishi, Masayuki Kanehiro, Shota Okamoto, Hiroki Imabayashi, Tatsuya Ryohwa, Kanako Nakata
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Abstract
A light-emitting element includes an anode, a hole transport layer, a quantum dot light-emitting layer, an electron transport layer, and a cathode, in this order. The electron transport layer includes a particulate metal oxide and a conductive resin that disperses the metal oxide.
Claims14
A light-emitting element comprising:
- an anode;
- a hole transport layer;
- a quantum dot light-emitting layer;
- an electron transport layer;
- and
- a cathode, in this order,
- wherein the electron transport layer includes a particulate metal oxide and a conductive resin that disperses the metal oxide, and
- the conductive resin is
- Poly[(9,9-bis(3′-(N,N-dimethylamino)propyl)-2,7-fluorene)-alt-2,7-(9,9-dioctylfluorene)].
6 more elements
Dependencies are inferred from the claim text.