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公开(公告)号:US10700293B2
公开(公告)日:2020-06-30
申请号:US15873999
申请日:2018-01-18
Applicant: Universal Display Corporation
Inventor: Geza Szigethy , Jason Brooks , Scott Beers , Nicholas J. Thompson
Abstract: Compounds having the structure of Formula M(LA)x(LB)y and Formula III, are disclosed. In Formula M(LA)x(LB)y, Ligand LA is and ligand LB is a mono anionic bidentate ligand. In these compounds, metal M has an atomic number greater than 40; x is 1, 2, or 3; y is 0, 1, or 2; x+y is the oxidation state of metal M; L11 represents a linking group selected from alkyl, cycloalkyl, aryl, and heteroaryl; L12 represents a linking group selected from NR15 and PR15; each R1, R2, R3, R4, R5, R6, R11, R12, R13, R14, and R15 is independently selected from a group of substituents, wherein any adjacent substituents are optionally joined to form a fused or unfused ring; and LA and LB are optionally joined to form a ligand that is at least tetradentate. Formulations and devices, such as OLEDs, that include the compound of Formula M(LA)x(LB)y(LC)z are also described.
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公开(公告)号:US09882151B2
公开(公告)日:2018-01-30
申请号:US14926865
申请日:2015-10-29
Applicant: Universal Display Corporation
Inventor: Raymond Kwong , Chi Hang Lee , Siu Tung Lam , Kit Yee Tsang , Geza Szigethy
CPC classification number: H01L51/009 , C07D495/04 , C07F5/02 , C07F5/027 , C07F15/0033 , C09K11/025 , C09K11/06 , C09K2211/1007 , C09K2211/1014 , C09K2211/1029 , C09K2211/1033 , C09K2211/1044 , C09K2211/1088 , C09K2211/185 , H01L51/008 , H01L51/0085 , H01L51/5012 , H01L51/5016
Abstract: A compound including a ligand L1 of Formula I, is described. In Formula I: rings A and B each independently represent a 5-membered or 6-membered carbocyclic or heterocyclic ring; X, Y, Z, and W are either carbon or nitrogen; R1 to R6 are selected from a variety of substituents, where adjacent substituents can be joined to form a fused ring; ligand L1 is coordinated to a metal M by X-M and Y-M bonds; and ligand L1 is optionally linked with other ligands to produce a tridentate, tetradentate, pentadentate or hexadentate ligand. Formulations and devices, such as an OLEDs, that include the compound that include a ligand L1 of Formula I are also described.
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公开(公告)号:US09871214B2
公开(公告)日:2018-01-16
申请号:US14665972
申请日:2015-03-23
Applicant: Universal Display Corporation
Inventor: Gregg Kottas , Zeinab Elshenawy , Geza Szigethy , Chuanjun Xia
CPC classification number: H01L51/0087 , C07F15/0086 , H01L51/0052 , H01L51/0054 , H01L51/0058 , H01L51/0067 , H01L51/0071 , H01L51/0072 , H01L51/0074 , H01L51/0094 , H01L51/5016
Abstract: A compound having a Pt tetradentate structure of Formula I, is disclosed. In Formula I, rings A, B, and C each independently represent a 5- or 6-membered carbocyclic or heterocyclic ring; L1, L2, and L3 are each independently selected from the group consisting of a direct bond, BR, NR, PR, O, S, Se, C═O, S═O, SO2, SiRR′, GeRR′, alkyl, cycloalkyl, aryl, heteroaryl, and combinations thereof; X1, X2, and X3 are either carbon or nitrogen; X is O, S, or Se; R1, R2, R3, RA, RB, RC, R, and R′ are each independently selected from H and a variety of substituents; and any adjacent R1, R2, R3, RA, RB, RC, R, and R′ are optionally joined to form a ring. Formulations and devices, such as OLEDs, that include the compound of Formula I are also described.
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公开(公告)号:US20160276603A1
公开(公告)日:2016-09-22
申请号:US15074654
申请日:2016-03-18
Applicant: Universal Display Corporation
Inventor: Scott Beers , Geza Szigethy , Jason Brooks
CPC classification number: H01L51/0085 , C07F15/0033 , C07F15/0066 , C09K11/025 , C09K11/06 , C09K2211/1007 , C09K2211/1044 , C09K2211/185 , H01L51/5016 , H01L2251/5384
Abstract: A new class of blue emissive complexes are described. The compounds comprise pyridyl benzimidazole ligands with twisted aryl groups for improved color.
Abstract translation: 描述了一类新的蓝色发射复合物。 这些化合物包括具有改性颜色的扭曲芳基的吡啶基苯并咪唑配体。
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公开(公告)号:US11005051B2
公开(公告)日:2021-05-11
申请号:US15956934
申请日:2018-04-19
Applicant: Universal Display Corporation
Inventor: Jui-Yi Tsai , Gregg Kottas , Walter Yeager , Zeinab Elshenawy , Chuanjun Xia , Geza Szigethy , Jason Brooks
Abstract: A compound comprising a ligand LA of Formula I: as well as, devices and formulations containing the compound of Formula 1 are disclosed. In the compounds, having a ligand La of Formula I: wherein R1 represents mono, or di-substitution, or no substitution; wherein R2 represents di, tri, or tetra-substitution; wherein R is selected from hydrogen, deuterium, alkyl, cycloalkyl, and combinations thereof; wherein R1 and R2 are each independently selected from hydrogen, deuterium, alkyl, cycloalkyl, aryl, and combinations thereof; wherein at least one pair of adjacent R2 substitutions are joined to form a fused ring; wherein the ligand LA is coordinated to a metal M; and wherein the ligand LA is optionally linked with other ligands to comprise a tridentate, tetradentate, pentadentate or hexadentate ligand.
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公开(公告)号:US10825998B2
公开(公告)日:2020-11-03
申请号:US15815884
申请日:2017-11-17
Applicant: Universal Display Corporation
Inventor: Jason Brooks , Geza Szigethy , Scott Beers
Abstract: A novel type of blue emitter is described based on the azaphenanthridine imidazole ligand. The preferred use of this moiety for generating blue phosphorescence is as part of a symmetric platinum tetradentate complex.
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公开(公告)号:US10263198B2
公开(公告)日:2019-04-16
申请号:US15291381
申请日:2016-10-12
Applicant: UNIVERSAL DISPLAY CORPORATION
Inventor: Jason Brooks , Geza Szigethy , Glenn Morello , Jun Deng , Peter I. Djurovich
IPC: H01L51/54 , C09K11/06 , H01L51/00 , C07F15/00 , C07D471/16 , C07D498/16 , C07D513/16 , C09K11/02 , H01L27/32 , C07F7/18 , H01L51/50 , H01L51/52
Abstract: Imidazophenanthridine ligands and metal complexes are provided. The compounds exhibit improved stability through a linking substitution that links a nitrogen bonded carbon of an imidizole ring to a carbon on the adjacent fused aryl ring. The compounds may be used in organic light emitting devices, particularly as emissive dopants, providing devices with improved efficiency, stability, and manufacturing. In particular, the compounds provided herein may be used in blue devices having high efficiency.
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公开(公告)号:US20180319830A1
公开(公告)日:2018-11-08
申请号:US15944052
申请日:2018-04-03
Applicant: Universal Display Corporation
Inventor: Geza Szigethy
CPC classification number: C07F15/0033 , C07F15/002 , C07F15/0046 , C07F15/0073 , H01L51/0085 , H01L51/0086 , H01L51/0088 , H01L51/5016
Abstract: The present invention includes novel hexadentate metal complexes. The complexes hexadentate ligands of the present invention may be useful as improved emitters in an OLED device.
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公开(公告)号:US20180287078A1
公开(公告)日:2018-10-04
申请号:US15993863
申请日:2018-05-31
Applicant: Universal Display Corporation
Inventor: Hsiao-Fan Chen , Scott Beers , Geza Szigethy , Jason Brooks
Abstract: Phosphorescent complexes are designed with intramolecular H-bonding properties to prevent deprotonation of neighboring molecules.
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公开(公告)号:US09847498B2
公开(公告)日:2017-12-19
申请号:US14671162
申请日:2015-03-27
Applicant: Universal Display Corporation
Inventor: Jason Brooks , Geza Szigethy , Scott Beers
CPC classification number: H01L51/0085 , C07F15/0033 , C07F15/0086 , C09K11/06 , C09K2211/1007 , C09K2211/1029 , C09K2211/1044 , C09K2211/185 , H01L51/0052 , H01L51/0054 , H01L51/0067 , H01L51/0072 , H01L51/0074 , H01L51/0087 , H01L51/0094 , H01L51/5016 , H01L51/5096 , H01L51/5206 , H01L51/5221
Abstract: A novel type of blue emitter is described based on the azaphenanthridine imidazole ligand. The preferred use of this moiety for generating blue phosphorescence is as part of a symmetric platinum tetradentate complex.
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