- Organic compound and electronic device and device containing the same
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The invention relates to the technical field of organic electroluminescent materials, in particular to an organic electroluminescent material 9 with 10 -9 dihydro 9 -10 -dimethyl and oxanthrene and arylamine groups, an electronic device containing the compound and a device. The organic electroluminescent device has lower driving voltage. Higher luminous efficiency and longer service life.
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Paragraph 0216-0219; 0220-0222; 0226
(2021/09/11)
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- Tetraphenyl ethylene type compound, application thereof and electronic device using same
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The invention discloses a tetraphenyl ethylene type compound, application thereof and an electronic device using the tetraphenyl ethylene type compound. The structural general formula of the tetraphenyl ethylene type compound is shown as the following for
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Paragraph 0062-0066
(2021/01/29)
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- Fluorenyl organic electroluminescent compound and organic electroluminescent device (by machine translation)
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The invention discloses a fluorene-based organic electroluminescent compound and an organic electroluminescent device, and the structural formula is as shown in the specification. Wherein, L1. L2, R1 are the same or different and are each independently a linear or branched alkyl group of R2, a substituted or unsubstituted C1 - C30 alkyl, substituted or unsubstituted C2 - C30 C3 - C30 heteroaromatic hydrocarbon group; A is a substituted or unsubstituted C6 - C30 C2 - C30 heteroaromatic hydrocarbon group; the starting voltage of the device is reduced; the power consumption of the device is relatively reduced, so that the service life of the device is correspondingly improved C2 - C30 C5 - C60 C6 - C30. (by machine translation)
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Paragraph 0210-0211
(2020/08/25)
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- Organic compound containing dibenzocycloheptene, preparation method thereof and application thereof
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The invention relates to an organic compound containing dibenzocycloheptene, a preparation method thereof and application thereof, and belongs to the technical field of semiconductors. The structure of the compound is shown as the general formula (1) shown in the specification. The invention also discloses a preparation method and application of the compound. The compound has strong hole-transporting ability, and improved hole injection and transport performance at an appropriate HOMO energy level; and at an appropriate LUMO energy level, the compound also plays a role of electron blocking andenhances the exciton recombination efficiency in a light-emitting layer. When used as the material of a light-emitting functional layer of an OLED light-emitting device, the compound when in combination with a branched chain within the scope of the present invention can effectively improve the exciton utilization rate and the radiation efficiency.
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Paragraph 0096-0098; 0105
(2020/03/13)
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- Compound for preparing organic photoelectric devices
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The invention belongs to the technical field of organic photoelectric materials, and particularly relates to a compound for preparing organic photoelectric devices. The structural formula is shown inthe specification. The series of organic materials containing xanthone, thiazolone, acridone and other structures synthesized in the invention can have wide ultraviolet absorption through modificationof different groups, and can be used as organic materials or stabilizers with high oxygen, heat, light and ultraviolet stability, especially organic electronic and photoelectric materials or organicelectronic material stabilizers. The material can be used as a hole type charge transport material in the field of OLED display.
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Paragraph 0056-0060
(2020/08/18)
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- Compound containing silafluorenyl and fluorenyl structures and electroluminescent device containing compound
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Disclosed is a novel compound containing a silafluorenyl structure and a fluorenyl structure. The compound is a triarylamine compound containing silafluorenyl and fluorenyl at the same time, and can be used as a hole-transport material and an electron blocking material in an electroluminescent device. The novel compounds can provide better comprehensive device performance. An electroluminescent device comprising the compound and a compound formula are also disclosed.
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Paragraph 0102-0104
(2020/06/09)
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- Luminescent material and application thereof
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The invention discloses a novel organic compound, which has a structure represented by the following formula (I), wherein Ar, Ar, Ar and Ar are respectively and independently selected fromone of substituted or unsubstituted C6-C30 aryl, substituted or unsubstituted C6-C30 condensed aryl and substituted or unsubstituted C3-C30 heteroaryl, L, L, L and L are respectively andindependently selected from one of a single bond, substituted or unsubstituted C6-C30arylene, substituted or unsubstituted C6-C30 heteroarylene and substituted or unsubstituted C6-C30 condensed arylene, and the L-Ar, the L-Ar, the L-Ar and the L-Ar do not select the same substituent group at the same time. When the compound provided by the invention is used as a hole transport material in an OLED device, excellent device performance and stability are shown. The invention also discloses an organic light-emitting device adopting the compound with the general formula.
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Paragraph 0089-0091
(2020/06/17)
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- Compound, application thereof and device comprising compound
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The invention relates to a compound, application thereof and a device comprising the compound. The organic compound has a structure represented by the following formula (1): R1, R2 and R3 are each independently selected from one of hydrogen, halogen, C1-C12 alkyl groups, C3-C12 cycloalkyl groups, C1-C12 alkoxy groups, substituted or unsubstituted C6-C30 arylamino groups, substituted or unsubstituted C3-C30 heteroarylamino groups, substituted or unsubstituted C6-C30 aryl groups, and substituted or unsubstituted C3-C30 heteroaryls; and a, b, and c are each independently an integer of 0-4. When the compound provided by the invention is used as a hole transport layer or an electron blocking layer material in an OLED device, excellent device performance and stability are shown. The invention also discloses an organic light-emitting device adopting the compound with the general formula.
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Paragraph 0060-0064
(2021/01/04)
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- A suberene wu containing spiral benzoin and the structure of the organic compound and use thereof (by machine translation)
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The invention discloses a spiral benzoin and suberene wu structure containing organic compound and its application, and the spiral benzoin suberene wu containing the compounds of structure by the single key, substituted or not substituted: phenyl, biphenyl or naphthyl is connected with the nitrogen-containing branched chain. Compound of the present invention is not easy to crystallization, has good film-forming properties and thermal stability, with higher glass transition temperature, appropriate HOMO and LUMO energy level, through the device structural optimization, can effectively improve the OLED device of the service life of the photoelectric properties and OLED device, so as to better adapt and meet the panel manufacturing enterprise application requirement. (by machine translation)
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Paragraph 0072; 0075-0077
(2019/10/29)
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- Organic electroluminescent material and organic electroluminescent device containing same
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The invention provides an organic electroluminescent material and an organic electroluminescent device containing the same, and belongs to the technical field of electroluminescence. According to thematerial, adamantane is introduced to serve as a new core group based on a bis(triarylamine) symmetric structure, the molecular shape is changed, the structure symmetricity is reduced, and the film forming property of a material is promoted; the adamantane has relatively large steric hindrance and rigid structure, and the non-conjugated molecular structure of adamantane cannot influence the electronic energy level of triarylamine, so that the hole transmission performance of the material is ensured; and the compound containing the adamantane group has excellent hole transmission performance, and can be used for manufacturing an organic electroluminescent device, especially a hole transmission layer material in the organic electroluminescent device, so as to effectively improve the luminescence efficiency and prolong the service life of the organic electroluminescent device.
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Paragraph 0068; 0069
(2019/04/27)
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- COMPOUND AND ORGANIC ELECTRONIC DEVICE PREPARED THEREWITH
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PROBLEM TO BE SOLVED: To provide a novel compound, and a hole transport body and an organic electronic device with improved OLED current efficiency. SOLUTION: The present invention provides a compound illustrated by the following formula. SELECTED DRAWING
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Paragraph 0104; 0105; 0106; 0107
(2019/04/30)
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- Organic electroluminescence material and organic electroluminescence device with material
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The invention relates to an organic electroluminescence material and an organic electroluminescence device with the material. Novel aryl group-dihydrophenanthrene is introduced as one of core groups,a dihydrophenanthrene derivative is obtained and has hig
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Paragraph 0106-0108
(2019/10/01)
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- Aromatic derivative containing polycyclic alkane and organic electroluminescent device containing the derivative (by machine translation)
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The invention relates to an aromatic derivative containing polycyclic alkane and an organic electroluminescent device containing the same, and the structure is shown in the following chemical formula I: The compound disclosed by the invention is an aromatic derivative containing a polycyclic alkane as a skeleton, exhibits excellent stability and high heat resistance; can greatly reduce energy loss, and can form a stable fused ring. The aromatic derivatives containing polycyclic alkanes can improve the stability. (by machine translation)
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Paragraph 0080; 0081
(2019/10/01)
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- Compound with fluorene as core and organic electroluminescent device
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The invention discloses a compound with fluorene as a core and an organic electroluminescent device. The compound with fluorene as a core has a high glass transition temperature and strong molecular thermal stability, has appropriate HOMO and LUMO energy levels and has high Eg. Through device structure optimization, the photoelectric performances of the OLED device are effectively improved and thelife of the OLED device is effectively prolonged.
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Paragraph 0163-0165
(2018/07/10)
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- Compounds and organic electroluminescent device and material containing compounds
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The invention discloses a preparation method for an organic electroluminescent device and material. A structure of the material is shown in a formula I in the description. Molecules of the material represented by the formula I have a special spiro structu
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Paragraph 0079; 0080; 0081; 0082
(2018/11/26)
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- Spirofluorene compound, material containing same and organic electroluminescence device
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The invention discloses a spirofluorene compound. A structural formula of the spirofluorene compound is as shown in a formula I: the formula I is as shown in the description. The invention further discloses a material containing the spirofluorene compound and an organic electroluminescence device containing the spirofluorene compound. The provided spirofluorene compound has a special spiral structure, and is capable of effectively blocking intramolecular conjugation, and increasing an energy level width thereof. The organic electroluminescence device prepared by using a material of the spirofluorene compound has higher element efficiency and luminescence lifetime. In addition, the spirofluorene compound has higher molecular rigidity, and a higher glass transition temperature. While the spirofluorene compound is applied to an industrial technology, the spirofluorene compound has the advantages of better heat stability, easy preparation, easy purification and the like, and is used as a perfect choice of an organic electroluminescence device material.
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Paragraph 0091; 0095-0098
(2019/01/08)
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- A fluorene derivative and organic light-emitting device (by machine translation)
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The present invention provides a fluorene derivatives and organic light-emitting device, relates to organic photoelectric material technical field. Fluorene structure due to a sp3 The presence of the SP, impedes the flow of electrons π, distrup
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Paragraph 0090; 0091; 0092; 0093
(2018/07/30)
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- Organic electroluminescent devices and material thereof
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The present invention provides a material for an organic electroluminescent device that can be used for an electron hole transport layer or a phosphorescent body; the material has a structure represented by the following chemical formula (I), wherein R is
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Paragraph 0047; 0048; 0049
(2017/05/12)
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- COMPOUND AND ORGANIC ELECTRONIC DEVICE USING THE SAME
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Provided are a novel compound and an organic electronic device using the same. The novel compound is represented by the following Formula (I): wherein X1 and X2 are each independently C(Ra), and the two (Ra)s are the same or different; X3 and X4 are each independently C(Rb), and the two (Rb)s are the same or different; the two (Ra)s are joined together to form an aryl ring and the two (Rb)s are joined together to form an oxygen-containing heteroaryl ring, a sulfur-containing heteroaryl ring, or a polycyclic aromatic ring; wherein Y1 and Y2 are the same or different; Y1 and Y2 are each represented by NR′R″; R′ and R″ are the same or different; at least one of R′ and R″ is an aryl group.
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Paragraph 0121
(2017/10/10)
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- AROMATIC AMINE DERIVATIVE AND ORGANIC ELECTROLUMINESCENT ELEMENT
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An object of the invention is to provide an organic EL device which operates at a reduced driving voltage and has a prolonged lifetime. The aromatic amine derivative of the invention is represented by formula (1): wherein Ar1 and Ar2 each represent an ary
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Paragraph 0416-0418
(2017/01/12)
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- MATERIALS FOR ELECTRONIC DEVICES
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The present invention relates to a compound of a formula (I), in which an electron-deficient group and an arylamino group are connected to one another via an intermediate group. The compound of the formula (I) is suitable as functional material in electronic devices.
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Paragraph 0155; 0156; 0160
(2016/10/31)
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- Spirobifluorene compounds for organic electroluminescent devices
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The present invention relates to compounds of the formula (1) which are suitable for use in electronic devices, in particular organic electroluminescent devices, and to electronic devices which comprise these compounds.
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Paragraph 0270; 0271
(2016/10/07)
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- SPIROBIFLUORENE COMPOUNDS FOR ORGANIC ELECTROLUMINESCENT DEVICES
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The present invention relates to compounds of the formula (1) which are suitable for use in electronic devices, in particular organic electroluminescent devices, and to electronic devices which comprise these compounds.
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Paragraph 0270; 0271; 0272
(2016/12/01)
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- Amine-based compounds and organic light-emitting device including the same
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Disclosed are an amine-based compound and an organic light emitting device including the same. The organic light emitting device comprises a first electrode, a second electrode facing the first electrode, and an organic layer interposed between the first electrode and the second electrode.
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Paragraph 0511; 0518; 0519; 0520
(2016/10/08)
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