One Of The Benzene Rings And An Additional Carbocyclic Ring Bonded Directly To The Same Acyclic Nitrogen Patents (Class 548/442)
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Publication number: 20110193074Abstract: The present invention relates to a novel compound and an organic light emitting device using the compound, and the compound according to the present invention may largely improve a life span, efficiency, electrochemical stability and thermal stability of the organic light emitting device.Type: ApplicationFiled: October 8, 2009Publication date: August 11, 2011Inventors: Dae-Woong Lee, Sung-Kil Hong, Tae-Yoon Park, Yeon-Hwan Kim, Seong-So Kim
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Publication number: 20110121275Abstract: It is an object to provide a noble anthracene derivative, a light emitting element with a high luminous efficiency, and further a light emitting element with a long lifetime. It is another object to provide a light emitting device and electronic device with a long lifetime by using the light emitting element. An anthracene derivative represented by General Formula (1) is provided. Since the anthracene derivative represented by General Formula (1) has a high luminous efficiency, when the anthracene derivative is used for a light emitting element, the light emitting element can have a high luminous efficiency. Further, when the anthracene derivative represented by General Formula (1) is used for a light emitting element, the light emitting element can have a long lifetime.Type: ApplicationFiled: January 27, 2011Publication date: May 26, 2011Inventors: Masakazu Egawa, Harue Osaka, Sachiko Kawakami, Satoko Shitagaki
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Publication number: 20110084256Abstract: A condensed-cyclic compound represented by Formula 1 below and an organic light emitting diode including the condensed-cyclic compound:Type: ApplicationFiled: September 30, 2010Publication date: April 14, 2011Applicant: Samsung Mobile Display Co., Ltd.Inventors: Hee-Yeon Kim, Seung-Gak Yang, Kwan-Hee Lee
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Patent number: 7901791Abstract: It is an object of the present invention to provide a material which is excellent in a hole injecting property and a hole transporting property, and to provide a light emitting element and a light emitting device using a material which is excellent in a hole injecting property and a hole transporting property. The present invention provides a carbazol derivative represented by a general formula (1). The carbazol derivative according to the present invention is excellent in the hole injecting property. By using the carbazol derivative according to the present invention as a hole injecting material for a hole injecting layer of a light emitting element, a driving voltage can be reduced. In addition, a lower driving voltage, improvement of the luminous efficiency, a longer life time, and higher reliability can be realized by applying the material to a light emitting element or a light emitting device.Type: GrantFiled: October 14, 2005Date of Patent: March 8, 2011Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Harue Nakashima, Sachiko Kawakami, Daisuke Kumaki
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Publication number: 20110049487Abstract: Embodiments of the present invention are directed to heteroarylamine compounds and organic luminescence devices including the heteroarylamine compounds. The organic luminescence devices using the heteroarylamine compounds have high-efficiency, low driving voltages, high luminance and long lifetimes.Type: ApplicationFiled: August 16, 2010Publication date: March 3, 2011Inventors: Young-Kook Kim, Seok-Hwan Hwang, Yoon-Hyun Kwak, Hye-Jin Jung, Jong-Hyuk Lee, Jin-O Lim, Chang-Ho Lee
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Publication number: 20110049494Abstract: Embodiments of the present invention are directed to heteroarylamine compounds and organic light-emitting devices including the heteroarylamine compounds. The organic light-emitting devices using the heteroarylamine compounds have high-efficiency, low driving voltages, high luminance and long lifespans.Type: ApplicationFiled: August 26, 2010Publication date: March 3, 2011Inventors: Young-Kook Kim, Seok-Hwan Hwang, Yoon-Hyun Kwak, Hye-Jin Jung, Jong-Hyuk Lee, Jin-O Lim, Chang-Ho Lee
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Patent number: 7842945Abstract: An object is to provide a novel anthracene derivative. Another object is to provide a light-emitting element with high luminous efficiency. Yet another object is to provide a light-emitting element with a long lifetime. Still another object is to provide a light-emitting device and an electronic device having a long lifetime by using the light-emitting elements of the present invention. The anthracene derivative represented by General Formula (1) is provided. The ability of the anthracene derivative represented by General Formula (1) to exhibit high luminous efficiency allows the production of a light-emitting element with high luminous efficiency and a long lifetime.Type: GrantFiled: April 24, 2007Date of Patent: November 30, 2010Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Masakazu Egawa, Harue Nakashima, Sachiko Kawakami, Tsunenori Suzuki, Ryoji Nomura
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Patent number: 7795449Abstract: An object is to provide an aromatic amine compound with excellent heat resistance. Another object is to provide a light emitting element, a light emitting device, and an electronic device with excellent heat resistance. An aromatic amine compound represented by General Formula (1) is provided. The aromatic amine compound represented by General Formula (1) has a high glass transition point and excellent heat resistance. By using the aromatic amine compound represented by General Formula (1) for a light emitting element, a light emitting device, and an electronic device, a light emitting element, a light emitting device, and an electronic device with excellent heat resistance can be obtained.Type: GrantFiled: July 29, 2008Date of Patent: September 14, 2010Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Harue Nakashima, Sachiko Kawakami, Satoko Shitagaki, Satoshi Seo
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Patent number: 7763737Abstract: The present invention provides a carbazole compound represented by the following formula (I): wherein each Ar1 independently represents a substituted or unsubstituted monovalent aromatic group or an aromatic group containing a heteroring, and R1 and each R2 independently represent a hydrogen atom, an alkyl group, a substituted or unsubstituted aryl group, or a substituted or unsubstituted aralkyl group.Type: GrantFiled: March 3, 2008Date of Patent: July 27, 2010Assignee: Fuji Xerox Co., Ltd.Inventors: Hidekazu Hirose, Koji Horiba, Takeshi Agata, Katsuhiro Sato, Kazuaki Sato, Yoshihiro Ohba
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Publication number: 20100156957Abstract: To provide a novel anthracene derivative which exhibit blue to blue green light emission, provide a light-emitting element which emits blue to blue green light, provide a light-emitting element which emits blue to blue green light with a long lifetime, and provide a light-emitting element which emits blue to blue green light with high emission efficiency, an anthracene derivative represented by General Formula (G1) is provided. In addition, a light-emitting element which emits blue to blue green light can be obtained by using the anthracene derivatives represented by General Formula (G1). Further, a light-emitting element which emits blue to blue green light with high emission efficiency and/or high reliability can be obtained by using the anthracene derivatives represented by General Formula (G1).Type: ApplicationFiled: December 17, 2009Publication date: June 24, 2010Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.Inventors: Kaori OGITA, Sachiko KAWAKAMI, Tsunenori SUZUKI, Satoshi SEO
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Publication number: 20100145067Abstract: The invention discloses a novel carbazole derivative which has at least two carbazole structures in the molecule, can form a stable amorphous film by itself at normal temperature or higher, has a high glass transition temperature, and can be suitably used as an organo-electronic functional material. The following compound having the formula is mentioned as a representative example.Type: ApplicationFiled: November 9, 2007Publication date: June 10, 2010Inventors: Masami Yokota, Tomoyuki Tusbaki
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Publication number: 20100032656Abstract: Provided are a compound represented by Formula 1 or 2 below and an organic light emitting device including an organic layer having the compound: where Ar1, Ar2, Ar3, R1, R2 and R3 are as described in the detailed description. Since the compound represented by Formula 1 or 2 has excellent electrical properties and excellent charge transport capabilities, the compound can be efficiently used as a hole injecting material, a hole transporting material, and/or an emitting material which is suitable for a fluorescent or phosphorescent organic light emitting device which can realize all colors such as red, green, blue, and white. Thus, an OLED including the compound can have high efficiency, high current density, low driving voltage, excellent brightness, and long lifetime.Type: ApplicationFiled: January 27, 2009Publication date: February 11, 2010Inventors: Seok-Hwan Kwang, Young-Kook Kim, Yoon-Hyun Kwak, Jeoung-In Yi, Hye-Lim Lee
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Publication number: 20090200928Abstract: A compound for use in an organic light emitting device is represented by The compound has excellent electrical properties and charge transporting characteristics, and is therefore useful as a material for a hole injection layer, a hole transport layer, and an emission layer of phosphorescent and fluorescent devices for emitting light of all colors, including red, green, blue, and white. Organic light emitting devices using the compounds have high efficiency, low driving voltages, and high brightness.Type: ApplicationFiled: December 16, 2008Publication date: August 13, 2009Inventors: Seok-Hwan Hwang, Young-Kook Kim, Yoon-Hyun Kwak, Jeoung-In Yi
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Patent number: 7569704Abstract: The present invention relates to a novel dye compound, represented by the following formula (I): wherein R1, D1, D2, X, and Y are defined the same as the specification. The dye compound of the present invention is suitable for Dye-Sensitized Solar Cell (DSSC). In addition, the dye compound of the present invention has high molar absorption coefficient, so that the DSSC manufactured by the dye compound of the present invention can have good photoelectric characteristics.Type: GrantFiled: May 29, 2008Date of Patent: August 4, 2009Assignees: Everlight USA, Inc., Academia SinicaInventors: Jiann-T'suen Lin, Yung-Sheng Yen, Ying-Chan Hsu, Ta-Chung Yin
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Publication number: 20090015140Abstract: It is an object of the present invention to provide a novel material capable of realizing excellent color purity of blue, and a light emitting element and a light emitting device using the novel material. Further, it is an object of the present invention to provide which is highly reliable, and a light emitting element and a light emitting device using the novel material.Type: ApplicationFiled: March 28, 2005Publication date: January 15, 2009Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.Inventors: Sachiko Kawakami, Nobuharu Ohsawa, Harue Nakashima, Kumi Kojima, Satoshi Seo, Masakazu Egawa, Ryoji Nomura
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Publication number: 20090004506Abstract: The present invention provides novel anthracene derivatives. In particular, the present invention provides light-emitting elements with high luminous efficiency, and light-emitting elements with long lifetime. Further, the present invention provides light-emitting devices and electronic devices having long lifetime by using these light-emitting elements. An anthracene derivative represented by the general formula (1) is provided. In addition, since the anthracene derivative represented by the general formula (1) has high luminous efficiency, a light-emitting element using the anthracene derivative represented by the general formula (1) can also have high luminous efficiency. By using the anthracene derivative represented by the general formula (1), light-emitting elements with long lifetime can be provided.Type: ApplicationFiled: December 21, 2007Publication date: January 1, 2009Inventors: Hiroko Nomura, Sachiko Kawakami, Nobuharu Ohsawa, Tsunenori Suzuki
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Publication number: 20080284328Abstract: It is an object of the present invention to provide a material which is excellent in a hole injecting property and a hole transporting property, and to provide a light emitting element and a light emitting device using a material which is excellent in a hole injecting property and a hole transporting property. The present invention provides a carbazol derivative represented by a general formula (1). The carbazol derivative according to the present invention is excellent in the hole injecting property. By using the carbazol derivative according to the present invention as a hole injecting material for a hole injecting layer of a light emitting element, a driving voltage can be reduced. In addition, a lower driving voltage, improvement of the luminous efficiency, a longer life time, and higher reliability can be realized by applying the material to a light emitting element or a light emitting device.Type: ApplicationFiled: October 14, 2005Publication date: November 20, 2008Applicant: Semiconductor Energy Laboratory, Ltd.Inventors: Harue Nakashima, Sachiko Kawakami, Daisuke Kumaki
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Patent number: 7442803Abstract: An object is to provide an aromatic amine compound with excellent heat resistance. Another object is to provide a light emitting element, a light emitting device, and an electronic device with excellent heat resistance. An aromatic amine compound represented by General Formula (1) is provided. The aromatic amine compound represented by General Formula (1) has a high glass transition point and excellent heat resistance. By using the aromatic amine compound represented by General Formula (1) for a light emitting element, a light emitting device, and an electronic device, a light emitting element, a light emitting device, and an electronic device with excellent heat resistance can be obtained.Type: GrantFiled: October 16, 2006Date of Patent: October 28, 2008Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Harue Nakashima, Sachiko Kawakami, Satoko Shitagaki, Satoshi Seo
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Patent number: 7227027Abstract: The present invention relates to a series of carbazole derivatives which are used in organic electroluminescent devices as the phosphorescent host materials of the emissive layers. The carbazole derivatives have glass transition temperature of between 70° C. and 220° C. and triplet energy of 2.62 eV or more. The carbazole derivatives comprise two carbazole groups and alkyl group and/or spiro group inserted between the carbazole group and aromatic group, which is represented by formula 1. The carbazole derivatives according to the present invention are used as host materials for the triplet emissive dyes and they have high energy and stability. They can also reduce the converse energy transfer from the dye molecules to the host molecules and improve the luminance and efficiency of the OLEDs, especially the efficiency and lifetime of the blue triplet OLEDs.Type: GrantFiled: September 3, 2004Date of Patent: June 5, 2007Assignees: Tsinghua University, Beijing Visionox Technology Co., Ltd.Inventors: Yong Qiu, Juan Qiao, Jianhua Wang, Liduo Wang, Lian Duan, Gangtie Lei
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Patent number: 6933390Abstract: The invention concerns a process for the preparation of N-aryl-aza-heterocycles of the general formula I by reaction of aza-heterocycles with activated aryl halides with use of caesium carbonate without addition of further catalysts at room temperature.Type: GrantFiled: July 15, 2004Date of Patent: August 23, 2005Assignee: Warner-Lambert CompanyInventors: Hubert Barth, Klaus Steiner, Simon Schneider, Ulrich Bayer, Manfred Westermayer, Ulrike Wolfsperger, Hans-Jürgen Betche
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Publication number: 20030100596Abstract: The invention provides compounds of formula I for use in treating conditions in which 5-HT6 receptors are involved such as in anxiety, depression, schizophrenia, Alzheimer's disease, stress-related disease, panic, a phobia, obsessive compulsive disorder, obesity, post-traumatic stress syndrome, epilepsy, and other CNS disorders.Type: ApplicationFiled: October 8, 2002Publication date: May 29, 2003Inventor: Jian-Min Fu
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Patent number: 5840980Abstract: A diamine compound of the following formula (1): ##STR1## wherein R.sub.1 is a hydrogen atom, a lower alkyl group or a lower alkoxy group, each of A.sub.1, A.sub.2 and A.sub.3 which are independent of one another, is a substituted or unsubstituted alkyl group, a substituted or unsubstituted aryl group, or a group of the following formula (2): ##STR2## wherein R.sub.1 is as defined above, and X is a substituted or unsubstituted arylene group or a substituted or unsubstituted heterocyclic bivalent group.Type: GrantFiled: July 24, 1997Date of Patent: November 24, 1998Assignee: Hodogaya Chemical Co., Ltd.Inventors: Mitsutoshi Anzai, Atsushi Takesue, Takanobu Watanabe, Chieko Inayoshi
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Patent number: 5298661Abstract: Charge transporting materials having general formula (I): ##STR1## R.sup.1 represents hydrogen; an unsubstituted or substituted alkyl group; an alkoxyl group having 1 to 4 carbon atoms; a thioalkoxyl group having 1 to 4 carbon atoms; an aryloxy group; an aralkyl group; a nitro group; an unsubstituted or substituted aryl group; a halogen; an amino group; an unsubstituted or substituted dialkylamino group; R.sup.2 represents hydrogen; an unsubstituted or substituted alkyl group; an alkoxyl group having 1 to 4 carbon atoms; or a halogen; R.sup.3 represents hydrogen; an alkyl group having 1 to 4 carbon atoms; an alkoxyl group having 1 to 4 carbon atoms; a halogen; a dialkylamino group; an amino group; a thioalkoxyl group having 1 to 4 carbon atoms; an aryloxy group; a methylenedioxy group; an aralkyl group; or an unsubstituted or substituted aryl group; R.sup.Type: GrantFiled: June 18, 1993Date of Patent: March 29, 1994Assignee: Ricoh Company, Ltd.Inventors: Tomoyuki Shimada, Masaomi Sasaki, Tamotsu Aruga
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Patent number: 5204374Abstract: New cycloalkano[b]dihydroindoles and -indolesulphonamides, substituted by heterocycles, of the formula (I) ##STR1## in which R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are identical or different andrepresent hydrogen, nitro, cyano, halogen, trifluoromethyl, carboxyl, hydroxyl or trifluoromethoxy, orrepresent a group of the formula --S(O).sub.w R.sup.5, in whichR.sup.5 denotes alkyl or optionally substituted aryl,w denotes the number 0, 1 or 2, orrepresents alkoxy or alkoxycarbonyl, or benzyloxy, orrepresents a group of the formula --NR.sup.6 R.sup.7, in whichR.sup.6 and R.sup.7 are identical or different anddenote hydrogen, alkyl or acyl ordenote aryl, ordenote a group of the formula --S(O).sub.w R.sup.5, in which R.sup.Type: GrantFiled: April 3, 1991Date of Patent: April 20, 1993Assignee: Bayer AktiengesellschaftInventors: Ulrich E. Muller, Ulrich Rosentreter, Ulrich Niewohner, Elisabeth Perzborn, Erwin Bischoff, Hans-Georg Dellweg, Peter Norman, Nigel J. Cuthbert, Hilary P. Francis
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Patent number: 5136054Abstract: This invention provides azamethine compounds represented by the formula (I): ##STR1## (wherein X represents ##STR2## Y represents C.dbd.O, C.dbd.C(CN).sub.2 or SO.sub.2 ; R.sub.1 to R.sub.4 represent independently a hydrogen atom, an alkyl group which may be substituted, an alkoxyl group which may be substituted, a halogen atom, a nitro group, a cyano group, a hydroxyl group, an amino group which may be substituted, --A--R or ##STR3## R.sub.5 and R.sub.6 represent independently a hydrogen atom, an alkyl group which may be substituted, an aryl group which may be substituted or a cyclohexyl group; R.sub.5 and R.sub.6 may be combined to form a ring or may form a ring with a hetero atom; R.sub.7 and R.sub.Type: GrantFiled: April 12, 1990Date of Patent: August 4, 1992Assignee: Sumitomo Chemical Company, LimitedInventors: Takeshi Hioki, Kiyoteru Kojima, Jun Tomioka
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Patent number: 5028708Abstract: This invention provides azamethine compounds represented by the formula (I): ##STR1## (wherein X represents ##STR2## Y represents C.dbd.O, C.dbd.C(CN).sub.2 or SO.sub.2 ; R.sub.1 to R.sub.4 represent independently a hydrogen atom, an alkyl group which may be substituted, an alkoxyl group which may be substituted, a halogen atom, a nitro group, a cyano group, a hydroxyl group, an amino group which may be substituted, --A--R or ##STR3## R.sub.5 and R.sub.6 represent independently a hydrogen atom, an alkyl group which may be substituted, an aryl group which may be substituted or a cyclohexyl group; R.sub.5 and R.sub.6 may be combined to form a ring or may form a ring with a hetero atom; R.sub.7 and R.sub.Type: GrantFiled: April 8, 1988Date of Patent: July 2, 1991Assignee: Sumitomo Chemical Company, LimitedInventors: Takeshi Hioki, Kiyoteru Kojima, Jun Tomioka
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Patent number: 4764625Abstract: The process of preparing a tertiary amine by the condensation of a mono- or di-tertiary amine and a mono- or di-iodoaryl compound. Conducting the condensation reaction in the presence of potassium hydroxide, and a copper catalyst, either in the absence of a solvent or with an inert saturated hydrocarbon solvent, in an inert atmosphere, at a temperature between from about 120.degree. C. to about 190.degree. C. for a period of time sufficient to at least substantially complete the reaction.Type: GrantFiled: August 9, 1984Date of Patent: August 16, 1988Assignee: Xerox CorporationInventors: S. Richard Turner, John F. Yanus, Dale S. Renfer
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Patent number: 4436920Abstract: Recording members having excellent light resistance are obtained by using as a dye precursor specific diarylaminofluoran compounds.Type: GrantFiled: March 11, 1982Date of Patent: March 13, 1984Assignee: Fuji Photo Film Co., Ltd.Inventors: Kozo Sato, Ken Iwakura, Akira Igarashi
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Patent number: 4433156Abstract: A process for preparing 3,6-bis-diarylaminofluoran derivatives which comprises reacting a 3,6-bis-arylaminofluoran derivative with an arylating agent.Type: GrantFiled: April 5, 1982Date of Patent: February 21, 1984Assignee: Fuji Photo Film Co., Ltd.Inventors: Sadao Ishige, Kozo Sato, Ken Iwakura