CPC H10K 50/15 (2023.02) [H10K 50/115 (2023.02); H10K 50/16 (2023.02); H10K 71/00 (2023.02); H10K 2102/102 (2023.02)] | 20 Claims |
1. A light-emitting device comprising:
an anode;
a cathode;
a light-emitting layer between the anode and the cathode; and
a hole transport layer between the anode and the light-emitting layer, the hole transport layer containing carbon and a metal oxide in a prescribed and adjusted ratio, wherein
the hole transport layer contains carbon in an atomic ratio of 1.5% to 6.0%, both inclusive, relative to metal atoms.
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