Polycondensed Aromatic Or Heteroaromatic Compound (e.g., Pyrene, Perylene, Pentacene) (epo) Patents (Class 257/E51.049)
  • Patent number: 7361796
    Abstract: A compound having a diphenylanthracene structure at the center and a specific structure substituted with an aryl group at end portions. An organic electroluminescence device comprises a plurality of layers of thin films of organic compounds which comprise a light emitting layer or a plurality of layers comprising a light emitting layer and are disposed between a pair of electrodes and at least one of the layers of thin films of organic compounds comprises the above compound. The compound exhibits excellent efficiency of light emission and heat resistance, has a long life and emits bluish light having excellent purity of color and the organic electroluminescence device comprises the compound and exhibits the same advantageous properties.
    Type: Grant
    Filed: December 1, 2005
    Date of Patent: April 22, 2008
    Assignee: Idemitsu Kosan Co., Ltd.
    Inventors: Hidetsugu Ikeda, Hiromasa Arai, Masakazu Funahashi, Chishio Hosokawa
  • Publication number: 20080087879
    Abstract: Tetrasubstituted coronenes are provided. Also provided are electronic devices in which the active layer includes a tetrasubstituted coronene.
    Type: Application
    Filed: October 13, 2006
    Publication date: April 17, 2008
    Inventors: Alex Sergey Ionkin, Ying Wang
  • Patent number: 7348073
    Abstract: A spiro-based compound containing cyclopentaphenanthrene and fluorene, which is used for an organoelectroluminescent device and an organoelectroluminescent device having the spiro-based compound. The spiro-based compound containing cyclopentaphenanthrene and fluorene can be easily manufactured to have high solubility, high color purity, and good thermal stability. The spiro-based compound containing cyclopentaphenanthrene and fluorene is suitable as a substance for an organic film, in particular, an emission layer of an organoelectroluminescent device. Further, the spiro-based compound containing cyclopentaphenanthrene and fluorene can be used as an organic dye, or an electron material such as a non-linear optical material.
    Type: Grant
    Filed: January 13, 2005
    Date of Patent: March 25, 2008
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Kyu-Sik Kim, Woon-Jung Paek, Lyong-Sun Pu, In-Sung Song, Jong-Seob Kim, Ouck Han
  • Patent number: 7338721
    Abstract: A new condensed polycyclic compound represented by general formula [I]: wherein R1 is hydrogen, halogen, cyano, a substituted amino or a group selected from the group consisting of alkyl, aralkyl, aryl, heterocyclic, each having no substituent or a substituent; and Ar1 to Ar5 are the same or different and are each independently a condensed polycyclic aromatic group or a condensed polycyclic heterocyclic group, each having no substituent or a substituent is used for an organic light-emitting device that is extremely efficient in a light output with high luminance and is extremely durable.
    Type: Grant
    Filed: August 26, 2003
    Date of Patent: March 4, 2008
    Assignee: Canon Kabushiki Kaisha
    Inventors: Koichi Suzuki, Tatsundo Kawai, Akihiro Senoo, Naoki Yamada, Akihito Saitoh, Maki Okajima
  • Publication number: 20080007168
    Abstract: A tandem organic electroluminescent element for use in an organic electroluminescent display is provided. The organic electroluminescent element comprises an anode, a cathode, a first organic electroluminescent unit, a second organic electroluminescent unit, and a connecting layer. Both the first organic electroluminescent unit and the second organic electroluminescent unit are disposed between the anode and the cathode. The connecting layer is between the first and second units, and comprises a bipolar organic compound and a conductive dopant.
    Type: Application
    Filed: November 1, 2006
    Publication date: January 10, 2008
    Applicant: AU Optronics Corp.
    Inventors: Chung-Chun Lee, Hsing-Chuan Li
  • Patent number: 7309532
    Abstract: The present invention is related to a cyclopentaphenanthrene-based compound and an organic electroluminescence device using the same. In particular, the cyclopentaphenanthrene-based compound offers several advantages, including easy processibility, high solubility, superior color purity, color stability and thermal stability. Moreover, the cyclopentaphenanthrene-based compound may be used not only as a material for forming an organic layer of an organic electroluminescence device, particularly, a light-emitting layer, but also as a material of an organic pigment or nonlinear optical substance.
    Type: Grant
    Filed: October 1, 2004
    Date of Patent: December 18, 2007
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Kyu-Sik Kim, Byung-Hee Sohn, Lyong-Sun Pu, Jhun-Mo Son, Sang-Hoon Park, Ji-Hoon Lee, Woon-Jung Paek
  • Patent number: 7303940
    Abstract: A semiconductor component has at least one organic semiconductor layer. The component also includes at least one protective layer for at least partially covering the at least one organic semiconductor layer to protect against environmental influences. The at least one protective layer contains a proportion of an alkane with CnH2n+1 and n greater than or equal to 15 or consists entirely of an alkane of this type, or of a mixture of alkanes of this type. In one example, the protective layer is a paraffin wax. This creates a high resistance to moisture.
    Type: Grant
    Filed: February 25, 2005
    Date of Patent: December 4, 2007
    Assignee: Infineon Technologies AG
    Inventors: Florian Eder, Marcus Halik, Hagen Klauk, Günter Schmid, Ute Zschieschang
  • Publication number: 20070275266
    Abstract: An organic electroluminescent device including an anode (1), a first emitting layer (3), a carrier barrier layer (4), a second emitting layer (5), and a cathode (7) stacked in that order; the first emitting layer (3) including a host material of a compound represented by X—(Y)n, and a dopant material of a compound containing a fluoranthene skeleton or a perylene skeleton; the affinity level of the carrier barrier layer (4) being smaller than the affinity level of the second emitting layer (5) in an amount of 0.2 eV or more; and the ionization potential (Ie1) of the carrier barrier layer (4) and the ionization potential (Ih1) of the first emitting layer (3) satisfying Ie1<Ih1+0.1 (eV).
    Type: Application
    Filed: June 27, 2006
    Publication date: November 29, 2007
    Applicant: Idemitsu Kosan Co., Ltd.
    Inventors: Yukitoshi Jinde, Hitoshi Kuma, Kiyoshi Ikeda, Mitsunori Ito
  • Publication number: 20070270595
    Abstract: Provided are an organic light-emitting compound represented by Formula 1 and an organic electroluminescent (EL) device using the same: The organic light-emitting compound has thermostability and photochemical stability in addition to superior electrical features. The organic EL device using the organic light-emitting compound has low driving voltage, high efficiency, and superior color purity.
    Type: Application
    Filed: May 22, 2007
    Publication date: November 22, 2007
    Inventors: Myeong-Suk Kim, Dong-Woo Shin, Woon-Jung Paek, Byoung-Ki Choi, O-Hyun Kwon, Eun-Sil Han
  • Publication number: 20070264526
    Abstract: Provided are a dimethylenecyclohexane compound represented by Formula 1 below, a method of preparing the same and an organic light emitting device comprising the dimethylenecyclohexane compound: The organic light emitting device comprising the dimethylenecyclohexane compound represented by Formula 1 has a low driving voltage, excellent efficiency and improved color purity.
    Type: Application
    Filed: May 10, 2007
    Publication date: November 15, 2007
    Inventors: Byoung-Ki Choi, O-Hyun Kwon, Che-Un Yang, Woon-Jung Paek, Myeong-Suk Kim, Dong-Woo Shin, Eun-Sil Han, Yi-Yeol Lyu, Sang-Hoon Park
  • Publication number: 20070257251
    Abstract: An apparatus comprising a substrate and an organic semiconductor matrix being located over the substrate. The organic semiconductor matrix includes one of a polymer co-polymer or a stabilized pentacene. The polymer includes monomers of pentacene or a substituted pentacene. The stabilized pentacene is a substituted pentacene having a lower oxidation rate than pentacene.
    Type: Application
    Filed: May 5, 2006
    Publication date: November 8, 2007
    Applicant: Lucent Technologies Inc.
    Inventors: Sen Liu, Oleksander Sydorenko, Subramanian Vaidyanathan
  • Publication number: 20070252516
    Abstract: An OLED device comprises a cathode, an anode, and has therebetween a light emitting layer (LEL) comprising a phosphorescent emitting compound disposed in a host comprising a mixture of at least one electron transporting co-host and at least one hole transporting co-host, wherein there is present an electron transporting layer contiguous to the LEL on the cathode side and wherein there is present an EIL layer containing a heteroaromatic compound contiguous to the cathode.
    Type: Application
    Filed: April 27, 2006
    Publication date: November 1, 2007
    Inventors: Marina Kondakova, Denis Kondakov, Ralph Young, Christopher Brown, Kevin Klubek, Viktor Jarikov, Sheena Zuberi
  • Publication number: 20070252522
    Abstract: An electroluminescent device comprises a cathode, an anode, and has therebetween a light emitting layer (LEL), the device further containing an electron transport layer (ETL) comprising an anthracene compound on the cathode side of the LEL and an organic electron injection layer (EIL) between the ETL and the cathode comprising a phenanthroline compound, wherein the thickness of the EIL and LEL are such that the ratio of the thickness of the EIL to LEL is greater than 0.125.
    Type: Application
    Filed: April 27, 2006
    Publication date: November 1, 2007
    Inventors: Denis Kondakov, Scott Conley, Kevin Klubek
  • Publication number: 20070252515
    Abstract: An OLED device comprises a cathode, an anode, and has therebetween a light emitting layer (LEL), at least one layer between the cathode and anode comprising a carbocyclic 2-aryl-9,10-biphenylanthracene compound containing a total of 8-12 aromatic rings, wherein the 6-substituent is hydrogen or an alkyl group and the 2-substituent is: (A) an unsubstituted phenyl group; (B) a phenyl group substituted with (a) a fluoro, a cyano, or an alkyl group or (b) a m- or p-phenyl group; or (C) a substituted or unsubstituted fused ring aromatic group.
    Type: Application
    Filed: April 27, 2006
    Publication date: November 1, 2007
    Inventors: Lelia Cosimbescu, Scott Conley, Zbyslaw Owczarczyk
  • Publication number: 20070252521
    Abstract: An electroluminescent device comprises a cathode, an anode, and has therebetween a light emitting layer (LEL), the device further containing an electron transport layer (ETL) on the cathode side of the LEL and an organic electron injection layer (EIL) contiguous to the ETL on the cathode side, wherein the ETL contains a monoanthracene compound bearing aromatic groups in the 2-, 9-, and 10-positions.
    Type: Application
    Filed: April 27, 2006
    Publication date: November 1, 2007
    Inventors: Denis Kondakov, Scott Conley, Kevin Klubek, J. Vargas
  • Publication number: 20070252517
    Abstract: An OLED device comprises a cathode, an anode, and has therebetween a light emitting layer containing a host material and an emitting dopant material wherein the host includes a monoanthracene compound bearing aromatic groups in the 2-, 9-, and 10-positions and being further substituted or not with electron donating groups sufficient so as to provide an anthracene derivative that exhibits a measured oxidation potential of less than 1.28 V.
    Type: Application
    Filed: April 27, 2006
    Publication date: November 1, 2007
    Inventors: Zbyslaw Owczarczyk, Denis Kondakov, Muhunthan Sathiosatham
  • Publication number: 20070249878
    Abstract: A high-performance organic light-emitting element and a novel organic compound realizing the above element are provided. A fluoranthene compound having a specific structure and an organic light-emitting element using the same are provided.
    Type: Application
    Filed: April 20, 2007
    Publication date: October 25, 2007
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Hironobu Iwawaki, Chika Negishi, Shinjiro Okada, Takao Takiguchi, Akihiro Senoo, Masashi Hashimoto
  • Patent number: 7285440
    Abstract: A process for producing high performance organic thin film transistors in which the molecules in the organic thin film are highly ordered and oriented to maximize the mobility of current charge carriers. The uniform monolayer surface over various substrate materials so formed, result in a more reproducible and readily manufacturable process for higher performance organic field effect transistors that can be used to create large area circuits using a range of materials.
    Type: Grant
    Filed: November 25, 2002
    Date of Patent: October 23, 2007
    Assignee: International Business Machines Corporation
    Inventors: Christos D. Dimitrakopoulos, Laura Louise Kosbar, Debra Jane Mascaro
  • Publication number: 20070241675
    Abstract: Provided is an organic electroluminescence device with an improved structure configured to enhance luminescent efficiency. An organic electroluminescence device includes a charge separation layer interposed between a first organic luminescent layer and a second organic luminescent layer. The charge separation layer includes one of a first charge transport material having greater hole mobility than materials for forming the first and second luminescent layers when electron mobility of the materials for forming the first and second luminescent layers is greater than their hole mobility, and a second charge transport material having greater electron mobility than materials for forming the first and second luminescent layers when hole mobility of the materials for forming the first and second luminescent layers is greater than their electron mobility.
    Type: Application
    Filed: March 16, 2007
    Publication date: October 18, 2007
    Inventors: Mu-Gyeom Kim, O-Hyun Kwon, Sang-Hoon Park
  • Publication number: 20070243411
    Abstract: Provided is an organic electroluminescence device having a long lifetime and capable of emitting blue light with high luminous efficiency. The organic electroluminescence device has an organic thin film layer composed of one or multiple layers including at least a light emitting layer and interposed between a cathode and an anode. In the organic electroluminescence device, the light emitting layer contains at least one kind selected from compounds each having a specific fluoranthene structure and at least one kind selected from fused ring-containing compounds each having a specific structure.
    Type: Application
    Filed: February 27, 2007
    Publication date: October 18, 2007
    Applicant: Idemitsu Kosan Co., Ltd.
    Inventors: Yoriyuki Takashima, Masakazu Funahashi, Kiyoshi Ikeda, Chishio Hosokawa
  • Publication number: 20070228399
    Abstract: A full-color organic electroluminescent panel has red (R), green (G), and blue (B) color pixels that independently emit light. The organic electroluminescent panel includes a hole-injecting layer common to the red (R), green (G), and blue (B) color pixels and a plurality of hole-transporting layers. The hole-transporting layer in at least one of the red (R), green (G), or blue (B) color pixels differs from a corresponding hole-transporting layer in the remaining pixels.
    Type: Application
    Filed: March 22, 2007
    Publication date: October 4, 2007
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Hironobu Iwawaki, Shinjiro Okada, Takao Takiguchi, Satoshi Igawa
  • Publication number: 20070232841
    Abstract: A fluorene derivative represented by the following structural formula. An organic electroluminescence device including a pair of electrodes, and at least one layer containing an organic compound interposed between the pair of the electrodes. The at least one layer containing the organic compound contains the fluorene derivative. The layer containing the fluorene derivative serves as a light-emitting layer.
    Type: Application
    Filed: March 14, 2007
    Publication date: October 4, 2007
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: SATOSHI IGAWA, SHINJIRO OKADA, TAKAO TAKIGUCHI, MASASHI HASHIMOTO, NAOKI YAMADA
  • Publication number: 20070231596
    Abstract: An improved OLED structure that enhances both stability and luminance efficiency, includes a substrate; an anode and a cathode; a light-emitting layer disposed between the anode and cathode; and a hole-transporting structure disposed between the light-emitting layer and the anode including two or more sublayers; a first sublayer in contact with the light-emitting layer and including a first hole-transporting material and a first stabilizing dopant, and a second sublayer including a second hole-transporting material and a second stabilizing dopant, and a third dopant having a bandgap that is smaller than each of the bandgaps of the second hole-transporting material and the second stabilizing dopant, respectively.
    Type: Application
    Filed: March 30, 2006
    Publication date: October 4, 2007
    Inventors: Jeffrey Spindler, Tukaram Hatwar
  • Publication number: 20070224446
    Abstract: A material for organic electroluminescence device with specific structure. An an organic electroluminescence device comprising a cathode, an anode and an organic thin film layer which is sandwiched between the cathode and the anode and comprises at least one layer, wherein at least one layer in the organic thin film layer contains a material for the organic electroluminescence device described above. An organic electroluminescence device with excellent efficiency of light emission, without pixel defects, which is superior in heat resistance and prolonged lifetime is obtained.
    Type: Application
    Filed: March 30, 2006
    Publication date: September 27, 2007
    Applicant: Idemitsu Kosan Co., Ltd.
    Inventors: Yuki Nakano, Toshihiro Iwakuma, Masahide Matsuura, Hidetsugu Ikeda
  • Publication number: 20070224449
    Abstract: An organic EL device includes: a pair of electrodes; and an organic layer sandwiched between the pair of electrodes. The organic layer includes a compound including layer, and the compound including layer includes a compound of 1,3-bis [N,N-bis{(4?-methylbiphen-4-yl)}amino]-5-N,N-bis(4-methylphenyl) aminobenzene. The heat resistance and the vapor deposition property of the organic layer containing the above tertiary amine compound can be improved.
    Type: Application
    Filed: January 17, 2007
    Publication date: September 27, 2007
    Applicant: DENSO CORPORATION
    Inventors: Tetsuya Kato, Kazushige Kojima
  • Patent number: 7271406
    Abstract: Compounds and compositions are provided that can be used as electron transport agents in organic electronic devices such as organic electroluminescent devices. The compounds are non-polymeric and have an aromatic core conjugated to end capping groups. The aromatic core contains a phenylene group arylene or naphthalene group arylene having a pendant heteroaryl group that includes a —C?N— unit.
    Type: Grant
    Filed: April 15, 2003
    Date of Patent: September 18, 2007
    Assignee: 3M Innovative Properties Company
    Inventors: James G. Bentsen, Nicholas P. Goplen, Yingbo Li, Ralph R. Roberts
  • Publication number: 20070212568
    Abstract: The present invention relates to an organic electroluminescent device comprising an anthracene derivative represented by Formula (1) shown below as a host and at least one selected from a perylene derivative, a borane derivative, a coumarin derivative, a pyran derivative, an iridium complex and a platinum complex as a dopant. The organic electroluminescent device of the present invention has a high efficiency, a long life, a low driving voltage and a high durability in storing and driving. wherein R1 to R4 and R12 are independently hydrogen or alkyl having 1 to 12 carbon atoms; R5 to R11 are independently hydrogen, alkyl having 1 to 12 carbon atoms, cycloalkyl having 3 to 12 carbon atoms or aryl having 6 to 12 carbon atoms; and Ar is non-condensed aryl represented by Formula (3); and m is an integer of 1 to 3; wherein n is an integer of 0 to 5; R13 to R21 are independently hydrogen, alkyl having 1 to 12 carbon atoms or aryl having 6 to 12 carbon atoms.
    Type: Application
    Filed: March 15, 2005
    Publication date: September 13, 2007
    Inventor: Guofang Wang
  • Publication number: 20070207346
    Abstract: Provided is an organic light-emitting device capable of emitting light with high efficiency by incorporating a silyl compound in which a silyl group and an amino group are directly bonded to an anthracene ring particularly into its light-emitting layer. In the organic light-emitting device including: a pair of electrodes composed of an anode and a cathode; and an organic compound layer interposed between the pair of electrodes, wherein the organic compound layer contains the following silyl compound. A layer containing at least one kind of the silyl compound is a light-emitting layer.
    Type: Application
    Filed: February 23, 2007
    Publication date: September 6, 2007
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Akihito Saitoh, Masataka Yashima
  • Publication number: 20070207347
    Abstract: An OLED device comprises a cathode, a light emitting layer and an anode, in that order, and, has located between the cathode and the light emitting layer, a further layer containing a cyclometallated complex represented by Formula (4?) wherein: Z and the dashed arc represent two or three atoms and the bonds necessary to complete a 5- or 6-membered ring with M; each A represents H or a substituent and each B represents an independently selected substituent on the Z atoms, provided that two or more substituents may combine to form a fused ring or a fused ring system; j is 0-3 and k is 1 or 2; M represents a Group IA, IIA, IIIA and IIB element of the Periodic Table; m and n are independently selected integers selected to provide a neutral charge on the complex; and provided that the complex does not contain the 8-hydroxyquinolate ligand. Such devices exhibit reduce drive voltage while maintaining good luminance.
    Type: Application
    Filed: April 30, 2007
    Publication date: September 6, 2007
    Inventors: William Begley, Tukaram Hatwar, Liang-Sheng Liao, Jeffrey Spindler, Kevin Klubek, Manju Rajeswaran, Natasha Andrievsky
  • Publication number: 20070205412
    Abstract: The present invention provides a novel anthracene derivative and an organic electronic device using the same. The organic electronic device according to the present invention shows excellent characteristics in efficiency, drive voltage, and life time.
    Type: Application
    Filed: March 6, 2007
    Publication date: September 6, 2007
    Inventors: Jae-Soon Bae, Dae-Woong Lee, Dong-Hoon Lee, Jun-Gi Jang, Sang-Young Jeon, Ji-Eun Kim
  • Publication number: 20070207343
    Abstract: An organic electroluminescent (EL) device of the present invention, comprising a pair of electrodes and at least an organic compound layer comprising a layer or a plural layer including a light emitting layer interposed between the pair of electrodes, wherein the organic light emitting layer (1) contains at least a compound selected from the silacyclopentadiene derivatives having specific structure and at least a compound selected from the borane derivatives having specific structure, and at least a compound selected from the compounds containing amine, or the organic light emitting layer (2) contains at least a compound selected from the silacyclopentadiene derivatives having specific structure, and at least a compound selected from the compounds containing amine. Thereby, the organic EL device has excellent heat resistance and a long lifetime, and exhibits high current efficiency, and also emits a color in the range of from blue to red.
    Type: Application
    Filed: April 7, 2005
    Publication date: September 6, 2007
    Applicant: Idemitsu Kosan Co., Ltd.
    Inventor: Masakazu Funahashi
  • Patent number: 7265378
    Abstract: The present invention is directed to a photoactive device comprising an anode, a cathode, and a photoactive layer, which device further comprises an electron transport and/or anti-quenching layer which minimizes both electron transfer quenching and energy transfer quenching of the photoactive layer.
    Type: Grant
    Filed: July 2, 2003
    Date of Patent: September 4, 2007
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Daniel David Lecloux, Ying Wang
  • Patent number: 7259390
    Abstract: There is provided a liquid crystalline material, suitable for use as an organic semiconductor material, in which, even when the charge transport distance is long, the charge transport capability is satisfactory, the charge mobility is high, and the dependence of the charge transport properties upon field strength is small. The organic semiconductor material having rodlike low-molecular weight liquid crystallinity comprises: a core structure comprising L 6 ? electron rings, M 8 ? electron rings, N 10 ? electron rings, O 12 ? electron rings, P 14 ? electron rings, Q 16 ? electron rings, R 18 ? electron rings, S 20 ? electron rings, T 22 ? electron rings, U 24 ? electron rings, and V 26 ? electron rings, wherein L, M, N, O, P, Q, R, S, T, U, and V are each an integer of 0 (zero) to 6 and L+M+N+O+P+Q+R+S+T+U+V=1 to 6; and a terminal structure attached to at least one end of the core structure, the terminal structure being capable of developing liquid crystallinity.
    Type: Grant
    Filed: February 26, 2004
    Date of Patent: August 21, 2007
    Assignee: Dai Nippon Printing Co., Ltd.
    Inventors: Jun-Ichi Hanna, Hiroaki Iino, Hiroki Maeda
  • Publication number: 20070184304
    Abstract: A light-emitting compound that can be easily applied to vacuum vapor deposition and exhibit long wavelength light is disclosed. Further, a light-emitting element without inferior luminescence properties due to the carbonization of a light-emitting compound during vapor deposition; and a light-emitting device that is composed of the light-emitting elements are also disclosed. A pyran derivative is represented by the following general formula 1: wherein R1 is a hydrogen element or an alkoxy group.
    Type: Application
    Filed: April 4, 2007
    Publication date: August 9, 2007
    Inventors: Sachiko Yamagata, Hiroko Abe, Nobuharu Ohsawa, Ryoji Nomura, Satoshi Seo
  • Publication number: 20070176164
    Abstract: A ?-conjugated aromatic ring-containing compound represented by the formula (1) below is relatively stable and useful as a light-emitting material for light from blue-violet region to red region. [In the formula, R1-R6 independently represent a hydrogen atom or the like; A and D independently represent a pyridine ring, pyrimidine ring, pyridazine ring, pyrazine ring, furan ring, pyrrole ring, pyrazole ring, imidazole ring, thiophene ring, benzothiadiazole ring, thieno[3,4-b]pyrazine ring, furo[3,4-b]pyrazine ring, 6H-pyrrolo[3,4-b]pyrazine ring or the like; a1, a2 and a3 independently represent 0 or 1; and n1 and n2 independently represent an integer of 1-5.
    Type: Application
    Filed: March 8, 2005
    Publication date: August 2, 2007
    Applicants: FUMIE SATO, NISSAN CHEMICAL INDUSTRIES, LTD.
    Inventors: Fumie Sato, Yuuki Takayama
  • Publication number: 20070172701
    Abstract: The invention provides an organic electroluminescent element that has a pair of electrodes, and one or more organic compound layers disposed between the pair of electrodes and including at least one luminescent layer, and in which at least one layer of the organic compound layers includes at least one compound selected from a trispyrenylbenzene derivative and a dipyrenylbenzene derivative and at least one compound selected from a tetraphenylpyrene derivative and a tetraminopyrene derivative.
    Type: Application
    Filed: January 19, 2007
    Publication date: July 26, 2007
    Inventor: Hiroshi Tada
  • Publication number: 20070170419
    Abstract: The present invention relates to the improvement of organic electronic devices, in particular fluorescent electroluminescent devices, by using electron-transport materials of the formula (1) to (4) as shown in scheme 1
    Type: Application
    Filed: February 18, 2004
    Publication date: July 26, 2007
    Inventors: Anja Gerhard, Horst Vestweber, Philipp Stossel
  • Publication number: 20070173658
    Abstract: This invention is about anthracene, at least one having silyl substituted group on ring 9 and 10, the anthracene can be a organic light emitting diodes (OLED) material and used for organic electroluminescent device. wherein X is an triarylsilyl group having 6 to 20 carbon atoms, an trialkylsilyl group having 1 to 12 carbon atoms, a substituted or unsubstituted aryl group having 6 to 20 carbon atoms, a substituted or unsubstituted heteroaryl group having 2 to 20 carbon atoms, or a substituted or unsubstituted alkyl group having 1 to 12 carbon atoms. R1 and R2 is independently a hydrogen, halogen, or a substituted or unsubstituted alkyl group having 1 to 12 carbon atoms. R3 to R5 is independently a substituted or unsubstituted aryl group having 6 to 20 carbon atoms, or a substituted or unsubstituted alkyl group having 1 to 12 carbon atoms.
    Type: Application
    Filed: March 29, 2007
    Publication date: July 26, 2007
    Applicant: AU OPTRONICS CORPORATION
    Inventors: CHEN-PING YU, CHIA-LIANG TAI, FAN-HSIU CHANG
  • Publication number: 20070164273
    Abstract: The present invention relates to the improvement of organic electronic devices, in particular fluorescent electroluminescent devices, by using electron-transport materials of the formula (I).
    Type: Application
    Filed: February 18, 2005
    Publication date: July 19, 2007
    Applicant: Merck Patent GmbH
    Inventors: Anja Gerhard, Horst Vestweber, Philipp Stossel
  • Publication number: 20070167626
    Abstract: An organic light emitting device having a pyrene based electron transport compound and an electron injecting and transport layer comprising the electron transport compound is provided.
    Type: Application
    Filed: January 16, 2007
    Publication date: July 19, 2007
    Inventors: Jung Keun Kim, Jeongdae Seo, Hyun Cheol Jeong, Jong Kwan Bin, Chungun Park
  • Publication number: 20070164256
    Abstract: The invention relates to an electroluminescent composition comprising an electroluminescent material containing an aryl vinylene and an additive for suppressing a drop in the initial efficiency of light emission observed when the electroluminescent material is used as such in an electroluminescent device. The invention further relates to an electroluminescent composition comprising an electroluminescent material containing an aryl vinylene and an additive, wherein the additive comprises an oligo ring structure with at least four carbonyl groups and to an electroluminescent device comprising the composition according to the invention.
    Type: Application
    Filed: March 2, 2005
    Publication date: July 19, 2007
    Applicant: KONINKLIJKE PHILIPS ELECTRONICS, N.V.
    Inventors: Simone Vulto, Eric Meulenkamp, Peter Van De Weijer, Margaretha De Kok-Van Breemen, Michael Buechel
  • Publication number: 20070161822
    Abstract: The present invention discloses an oligofluorene-based compound, wherein the general formula of the oligofluorene-based compound is as following: , wherein n is an integer of 0 to 3, A is polyaryl moiety or amino group, and B is amino group or hydrogen. Furthermore, the mentioned oligofluorene-based compound can be used as electro-luminescent materials or host-guest materials.
    Type: Application
    Filed: January 10, 2006
    Publication date: July 12, 2007
    Inventors: Feng-Wen Yen, Chao-Yu Chiu, Cheng-Hao Chang, I-Feng Lin, Pei-Chi Yen
  • Patent number: 7241513
    Abstract: A fluorene compound represented by the following general formula [I]: is used to provide an organic luminescent device. Such a device has an optical output exhibiting a high luminance with an extremely high efficiency, and has an extremely high durability.
    Type: Grant
    Filed: August 12, 2003
    Date of Patent: July 10, 2007
    Assignee: Canon Kabushiki Kaisha
    Inventors: Koichi Suzuki, Mizuho Hiraoka, Akihiro Senoo, Naoki Yamada, Chika Negishi, Akihito Saitoh, Daisaku Tanaka, Ryoji Yashiro
  • Publication number: 20070155998
    Abstract: A novel pyrenylfluorenylene compound is provided which is represented by the general formula (1):
    Type: Application
    Filed: November 2, 2006
    Publication date: July 5, 2007
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: AKIHITO SAITOH, NAOKI YAMADA, KEIJI OKINAKA, KOICHI SUZUKI, AKIHIRO SENOO
  • Publication number: 20070155981
    Abstract: Provided is an arylene derivative including a polar functional group represented by Formula 1: An arylene derivative including a polar functional group has excellent solubility in an organic solvent. A soluble compound of the arylene derivative can be used to form a thermally stable organic layer which can be used to form an organic light emitting device having low operating voltage, high efficiency, and excellent brightness.
    Type: Application
    Filed: December 4, 2006
    Publication date: July 5, 2007
    Inventors: Dong-Woo Shin, Woon-Jung Paek, Tae-Yong Noh, O-Hyun Kwon, Jong- Jin Park, Myeong-Suk Kim, Byoung-Ki Choi
  • Publication number: 20070152566
    Abstract: An organic electroluminescence device including an organic layer having a light emission region and being disposed between an anode and a cathode is provided. The organic layer contains, as an organic light-emitting material, a compound represented by the following formula (1): wherein each of R1 to R26 represents a substituents, such as a hydrogen atom, a halogen atom, a hydroxyl group, a mercapto group, a nitro group, an amino group, a cyano group, an alkyl group, an alkenyl group, a cycloalkyl group, an alkoxy group, an alkylthio group, a silyl group, an alkylsilyl group, a siloxanyl group, an aralkyl group, an aromatic hydrocarbon group, an aromatic heterocyclic group, an ester group, an aryloxy group, a formyl group, an alkoxycarbonyl group, and a carboxyl group, and n1 is a numeric value from 1 to 3.
    Type: Application
    Filed: May 28, 2004
    Publication date: July 5, 2007
    Inventors: Yukinari Sakamoto, Mari Ichimura, Mitsuhiro Kashiwabara, Shinichiro Tamura
  • Publication number: 20070152568
    Abstract: The present invention relates to a compound represented by formula (1), wherein each of R1 and R2, which may be identical or different, is selected from hydrogen, C1-C4 alkyl, C1-C4 alkoxy, C1-C4 alkylthio, unsubstituted C6-C12 aryl or C6-C12 aryl substituted by C1-C4 alkyl or C1-C4 alkoxy or C12-C20 diarylamino; and each of m and n is selected from an integer 0, 1, 2 or 3. The present invention also relates to an organic EL device using said compound as a dopant in at least one luminescent layer.
    Type: Application
    Filed: December 29, 2005
    Publication date: July 5, 2007
    Inventors: Chun-Liang Lai, Kuo-Wei Huang
  • Publication number: 20070146915
    Abstract: A color filter array is provided that is capable of implementing full color with improved light-emitting efficiency and color coordinate values from a mixed light of blue and red, and an organic light-emitting display device using the same. A color filter array receiving a mixed light of blue wavelength light and red wavelength light to implement full color according to an embodiment of the invention comprises a red filter, a green filter, and a blue filter. The red filter includes a first color conversion material for converting the blue wavelength light into green light and red light and a green blocking material for blocking the green light. The green filter includes a second color conversion material for converting the blue wavelength light into green light and red light and a red blocking material for blocking the red light. The blue filter includes a red blocking material for blocking the red wavelength light.
    Type: Application
    Filed: October 20, 2006
    Publication date: June 28, 2007
    Inventors: Seung Yang, Hee Kim, Chang Lee, Jung Shin, Hee Ko
  • Publication number: 20070149815
    Abstract: An organic light-emitting material characterized in that it is used in a light emitting layer in a green light emitting element and represented by the following general formula (1): wherein: n1 is an integer of 0 to 3; R1 is an alkyl group having 10 carbon atoms or less; Ar1 is a monovalent group which is derived from monocyclic or fused-ring aromatic hydrocarbon having 20 carbon atoms or less, and which optionally has a substituent having 10 carbon atoms or less; and Ar2 is a divalent group which is derived from a ring assembly having 30 carbon atoms or less and being comprised of monocyclic or fused-ring aromatic hydrocarbon having 1 to 3 rings, and which optionally has a substituent having 4 carbon atoms or less. There can be provided an organic light-emitting material which has satisfactorily excellent light emission efficiency and high color purity as well as higher reliability and which is advantageously used to constitute a green light emitting layer, and a method for producing the same.
    Type: Application
    Filed: November 5, 2004
    Publication date: June 28, 2007
    Inventors: Ichinori Takada, Naoyuki Ueda
  • Publication number: 20070141390
    Abstract: This invention discloses a new class of bifunctional blue emitting materials for organic electroluminescent (EL) applications. These compounds contain two functionalities: an emission chromophore comprised of an anthryl group and an electron transport group. Employment of these compounds improves device efficiency and stability.
    Type: Application
    Filed: December 21, 2005
    Publication date: June 21, 2007
    Applicant: LG.PHILIPS LCD CO., LTD.
    Inventors: Jennifer Coggan, Nan-Xing Hu, Hany Aziz, George Vamvounis