ORGANIC ELECTROLUMINESCENT MATERIALS AND DEVICES

• Main Authors: SHIH WEI CHUN, FELDMAN JERALD, BOUDREAULT PIERRE LUC T
• Format: Patent
• Language: English; Korean
• Published: 22.04.2024
• Subjects: ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAININGELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN,SULFUR, SELENIUM OR TELLURIUM; ADHESIVES; CHEMISTRY; DYES; ELECTRICITY; MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE; METALLURGY; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; NATURAL RESINS; ORGANIC CHEMISTRY; PAINTS; POLISHES

화학식 I, TIFFpat00226.tif5227의 제1 리간드 LA를 포함하는 화합물를 제공한다. 화학식 I에서, 각각의 X1 내지 X6은 C 또는 N이고; K는 직접 결합, O, S, N(Rα), P(Rα), B(Rα), C(Rα)(Rβ), 또는 Si(Rα)(Rβ)이고; LA는 표시된 점선을 통해 Ir에 배위결합되고; 하기 조건들 중 적어도 하나는 적용되고: (1) R1은 적어도 5개의 탄소 원자를 포함함, 및 (2) 2개의 RB 치환기가 함께 결합되어, 고리 B에 융합된 화학식 II, TIFFpat00227.tif1520의 구조를 형성하고; X는 CRX 또는 N이고; Y는 다양한 링커로부터 선택되고; 각각의 R, R', R", Rα, Rβ, RA, RB, RX, R1, 및 R2는 수소이거나 또는 일반 치환기이고; Ir은 다른 리간드에 배위결합될 수 있다. 화합물을 포함하는 조성물, OLED 및 소비자 제품이 또한 제공된다. A compound comprising a first ligand LA of Formula I,is provided. In Formula I, each of X1 to X6 is C or N; K is a direct bond, O, S, N(Rα), P(Rα), B(Rα), C(Rα)(Rβ), or Si(Rα)(Rβ); LA is coordinated to Ir through the indicated dashed lines; at least one of the following conditions is true: (1) R1 comprises at least five carbon atoms, and (2) two RB substituents are joined together to form a structure of Formula II,fused to ring B; X is CRX or N; Y is selected from a variety of linkers; each R, R′, R″, Rα, Rβ, RA, RB, RX, R1, and R2 is hydrogen or a General Substituent; and Ir may be coordinated to other ligands. Compositions, OLEDs, and consumer products including the compound are also provided.