- ORGANOMETALLIC COMPOUND AND ORGANIC LIGHT EMITTING DEVICE COMPRISING SAME
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The present invention provides an organometallic compound represented by chemical formula 1 and an organic light emitting device including the same. In chemical formula 1, X is NR, O, S or Se, X1 is N or CRa, X2 is N or CRb, X3 is N or CRc, and X4 is N or CRd. When the organometallic compound according to the present invention is used in a light emitting layer, a device can emit bright green light.COPYRIGHT KIPO 2020
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Paragraph 0246; 0247; 0250; 0251
(2019/10/23)
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- COMPOUND AND ORGANIC LIGHT EMITTING DEVICE COMPRISING THE SAME
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The present invention provides a compound of chemical formula 1 and an organic light emitting device including the same. In the chemical formula 1, at least one of R1 to R3 is a substituted or unsubstituted cycloalkyl group, and X is O or S. The compound
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Paragraph 0113; 0114; 0117; 0118
(2020/01/04)
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- Bipyridyl derivative and application thereof
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The present invention provides a novel compound, which has a structure general formula represented by a formula (I), wherein Ar1 and Ar2 are independently selected from an aromatic hydrocarbon derivative group containing benzimidazoyl, an aromatic hydrocarbon derivative group containing a pyridine group, substituted or unsubstituted C6-C30 aromatic hydrocarbon, and a substituted or unsubstituted C6-C30 fused ring aromatic hydrocarbon group, and R1 and R2 are independently and respectively selected from H, C1-C12 aliphatic hydrocarbon radical, phenyl, substituted phenyl, naphthyl, substituted naphthyl, biphenyl and substituted biphenyl. According to the present invention, the compound has characteristics of stable character, simple preparation process, high luminous efficiency and high carrier mobility, and can be used for the electron transport layer of the electroluminescent element, and the device applying the compound has characteristics of significant driving voltage reducing and current efficiency improving. The formula (I) is defined in the instruction.
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Paragraph 0075; 0079-0081
(2019/08/06)
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- Metal complex as well as preparation method thereof and application thereof in organic light-emitting devices
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The invention discloses a metal complex as well as a preparation method thereof and application thereof in organic light-emitting devices. The general form of the metal complex is described in the description, wherein R1-R6 are independently selected from
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Paragraph 0081; 0082; 0083; 0084
(2017/10/14)
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- METAL COMPLEX, POLYMER, AND ELEMENT OBTAINED USING SAME
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A metal complex represented by the following formula (1) : wherein R1 to R6, R8 and R11 to R20 represent a hydrogen atom, a halogen atom, an alkyl group, an alkoxy group, an alkylthio group, an aryl group, an aryloxy group, an arylthio group, an arylalkyl group, an arylalkoxy group, an arylalkylthio group, an acyl group, an acyloxy group, an amide group, an acid imide group, an imine residue, a substituted amino group, a substituted silyl group, a substituted silyloxy group, a substituted silylthio group, a substituted silylamino group, a monovalent heterocyclic group, a heteroaryloxy group, a heteroarylthio group, an arylalkenyl group, an arylalkynyl group, a substituted carboxyl group or a cyano group; Z1 to Z5 represent -C(R*)= or a nitrogen atom, wherein R* represents a hydrogen atom or a substituent, provided that at least two of Z1 to Z5 are nitrogen atoms; m represents 1 or 2.
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Page/Page column 90-91
(2012/09/10)
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