ELECTRON RECEPTIVE COMPOUND AND COMPOSITION FOR CHARGE TRANSPORT MEMBRANE, AND LIGHT-EMITTING DEVICE USING THE SAME

• Main Authors: BANDO AKIMASA, IIDA KOICHIRO, KAJIYAMA YOSHIKO, ABE TOMOHIRO, GOROMARU HIDETAKA, UMEKI TOMOKAZU, ISHIBASHI KOICHI, OKABE KAZUTAKE
• Format: Patent
• Language: English; Japanese
• Published: 27.12.2018
• Subjects: ACYCLIC OR CARBOCYCLIC COMPOUNDS; ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAININGELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN,SULFUR, SELENIUM OR TELLURIUM; ADVERTISING; CHEMISTRY; COMPOSITIONS BASED THEREON; CRYPTOGRAPHY; DISPLAY; DISPLAYING; EDUCATION; ELECTRIC HEATING; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR; ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR; ELECTRICITY; LABELS OR NAME-PLATES; MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS; METALLURGY; ORGANIC CHEMISTRY; ORGANIC MACROMOLECULAR COMPOUNDS; PHYSICS; SEALS; SIGNS; THEIR PREPARATION OR CHEMICAL WORKING-UP

To provide a composition for charge transport membrane and an electron receptive compound, which are excellent in heat resistance, have high hole injection and transportation performance, can be driven at low voltage and high efficiency, and provide an organic electroluminescent element excellent in drive stability including heat resistance.SOLUTION: There is provided a charge transport ion compound consisting of a cation radical of a hole transport compound and a counter anion represented by the formula (6). In the formula, Ar represents an aromatic ring group which may have a substituent, or a fluorine-substituted alkyl group, Fand Frepresent the substituent numbers of fluorine atoms, k represents each independently an integer of 0 to 5, a represents each independently an integer of 0 to 5, and k+a≥1.SELECTED DRAWING: None 【課題】耐熱性に優れると共に高い正孔注入・輸送能を有し、低電圧、高効率で駆動可能であり、耐熱性を含めた駆動安定性に優れた有機電界発光素子を得る電荷輸送膜用組成物及び電子受容性化合物の提供。【解決手段】正孔輸送性化合物のカチオンラジカルと、式（６）で表される対アニオンとからなる、電荷輸送性イオン化合物。（式中、Ａｒは、置換基を有していてもよい芳香環基またはフッ素置換されたアルキル基、Ｆ４、Ｆ（５−ａ）はフッ素原子の置換数、ｋは各々独立に０〜５の整数、ａは各々独立に０〜５の整数を表し、ｋ＋ａ≧１である。）【選択図】なし