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公开(公告)号:US20210217972A1
公开(公告)日:2021-07-15
申请号:US17211357
申请日:2021-03-24
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:US10276805B2
公开(公告)日:2019-04-30
申请号:US15825798
申请日:2017-11-29
Applicant: Universal Display Corporation
Inventor: Jason Brooks , Geza Szigethy , Glenn Morello , Jun Deng , Peter I. Djurovich , Hsiao-Fan Chen
IPC: H01L51/54 , C09K11/06 , H01L51/00 , C07D403/02 , C07D231/54 , C07D221/18 , C07F15/00 , C07D471/16 , C07D498/16 , C07D513/16 , C09K11/02 , C07F7/18 , C07F7/08 , H01L51/50
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:US20180240989A1
公开(公告)日:2018-08-23
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
CPC classification number: H01L51/0085 , C07F15/0033 , C09K11/06 , C09K2211/1029 , C09K2211/185 , H01L51/5016 , H01L2251/5384
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:US09978961B2
公开(公告)日:2018-05-22
申请号:US14310598
申请日:2014-06-20
Applicant: Universal Display Corporation
Inventor: Jui-Yi Tsai , Gregg Kottas , Walter Yeager , Zeinab Elshenawy , Chuanjun Xia , Geza Szigethy , Jason Brooks
CPC classification number: H01L51/0085 , C07F15/0033 , C09K11/06 , C09K2211/1029 , C09K2211/185 , H01L51/5016 , H01L2251/5384
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 mono, di, tri, or tetra-substitution, or no 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 any adjacent substituents of R2 are optionally 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:US09911931B2
公开(公告)日:2018-03-06
申请号:US14728553
申请日:2015-06-02
Applicant: Universal Display Corporation
Inventor: Geza Szigethy , Jason Brooks , Scott Beers , Nicholas J. Thompson
CPC classification number: H01L51/0087 , C07F15/0033 , C07F15/0086 , C09K11/06 , C09K2211/1007 , C09K2211/1011 , C09K2211/1014 , C09K2211/1044 , C09K2211/185 , H01L51/0054 , H01L51/0071 , H01L51/0072 , H01L51/0074 , H01L51/0085
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 are also described.
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公开(公告)号:US09905785B2
公开(公告)日:2018-02-27
申请号:US14671075
申请日:2015-03-27
Applicant: Universal Display Corporation
Inventor: Jason Brooks , Geza Szigethy , Scott Beers , Hsiao-Fan Chen
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: This invention discloses novel metal complexes for phosphorescent OLEDs. The incorporation of a specific nitrogen substitution in the benzimidazole phenanthridine ligand system is shown to provide desirable color.
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公开(公告)号:US20160233424A1
公开(公告)日:2016-08-11
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.
Abstract translation: 描述了包含式I的配体L1的化合物。 在式I中:环A和环各自独立地表示5元或6元碳环或杂环; X,Y,Z和W为碳或氮; R 1至R 6选自各种取代基,其中相邻取代基可以连接形成稠环; 配体L1通过X-M和Y-M键与金属M配位; 并且配体L1任选地与其它配体连接以产生三齿,四齿,五齿配位体或六齿配体。 还描述了包括包含式I的配体L1的化合物的制剂和装置,例如OLED。
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公开(公告)号:US20150295190A1
公开(公告)日:2015-10-15
申请号:US14672034
申请日:2015-03-27
Applicant: Universal Display Corporation
Inventor: Hsiao-Fan Chen , Scott Beers , Geza Szigethy , Jason Brooks
CPC classification number: H01L51/0085 , C07F15/0033 , C07F15/0086 , C09B57/00 , C09B57/10 , C09K11/06 , C09K2211/1007 , C09K2211/1011 , C09K2211/1096 , H01L51/5016
Abstract: Phosphorescent complexes are designed with intramolecular H-bonding properties to prevent deprotonation of neighboring molecules.
Abstract translation: 磷光复合物被设计为具有分子内H键合性质以防止相邻分子的去质子化。
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