Back to results
US 12,685,006 B2Granted
Polymer and organic light emitting device comprising same
AssigneeLG Chem, Ltd.
InventorsJi Hoon Kim, Jaesoon Bae, Jaechol Lee, Yu Jin Woo, Sungkyoung Kang, Min Suk Jung
Life of this patent
Estimating the term…
Abstract
The present disclosure provides a polymer and an organic light emitting device including the same, wherein the polymer comprising a repeating unit represented by the following Chemical Formula 1: wherein L, R1 to R5, and * are described herein.
Claims18
An organic light emitting device comprising an anode;
- a cathode that is disposed opposite to the anode;
- a light emitting layer that is provided between the anode and the cathode;
- and a hole transport layer that is provided between the anode and the light emitting layer,
- wherein the hole transport layer comprises a polymer comprising a repeating unit represented by Chemical Formula 1′ or 1″:
- in Chemical Formula 1′ and 1″,
- each L is independently a substituted or unsubstituted C6-10 arylene,
- each R1 is independently a substituted or unsubstituted C4-10 alkyl,
- each R2 is independently a substituted or unsubstituted C1-4 alkyl,
- each R3 is independently a substituted or unsubstituted C1-10 alkyl, and
- * indicates the point of attachment within the polymer,
- in Chemical Formula 1′,
- each R4 is independently a substituted or unsubstituted C1-4 alkyl, and
- in Chemical Formula 1″,
- each R5 is independently a substituted or unsubstituted C1-4 alkyl.
11 more elements
Dependencies are inferred from the claim text.