ELECTROLUMINESCENT DEVICE AND DISPLAY DEVICE INCLUDING THE SAME

• Main Authors: KIM KOKI, PARK KUN SU, KIM CHAN SU, CHO GINSHU, YOON WON SIK, CHUNG DAEYOUNG, HAN MOON GYU
• Format: Patent
• Language: English; Japanese
• Published: 21.05.2020
• Subjects: ADHESIVES; ADVERTISING; CHEMISTRY; CRYPTOGRAPHY; DISPLAY; DISPLAYING; DYES; EDUCATION; ELECTRIC HEATING; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR; ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR; ELECTRICITY; LABELS OR NAME-PLATES; MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE; METALLURGY; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; NATURAL RESINS; PAINTS; PHYSICS; POLISHES; SEALS; SIGNS

To provide an electroluminescent device and a display device including the same.SOLUTION: A electroluminescent according to the present invention includes a first electrode and a second electrode facing each other, a light emitting layer that is disposed between the first electrode and the second electrode and includes a first hole transport material provided with a quantum dot, a substituted attached to the main chain or unsubstituted C4 to C20 alkyl group, a hole transport layer disposed between the light emitting layer and the first electrode and containing a second hole transport material, and an electron transport layer disposed between the light emitting layer and the second electrode.SELECTED DRAWING: Figure 1 【課題】電界発光素子およびこれを含む表示装置を提供する。【解決手段】本発明による電界発光素子は、互いに対向する第１電極および第２電極と、第１電極と前記第２電極との間に配置され、量子ドット、および主鎖に付着された置換または非置換されたＣ４〜Ｃ２０のアルキル基を備えた第１正孔輸送材料を含む発光層と、発光層と第１電極との間に配置され、第２正孔輸送材料を含む正孔輸送層と、発光層と前記第２電極との間に配置された電子輸送層と、を含む。【選択図】図１