Patents Examined by Brett A Crouse
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Patent number: 7455917Abstract: Disclosed is a compound represented by formula 1: [formula 1] wherein each of A, X, Y, Y? and Y? has the same meaning as described herein. When used in an organic light emitting device, the compound represented by formula 1 has at least one function selected from the group consisting of hole injection, hole transport, light emitting, electron transport, electron injection, etc., depending on the type of each unit forming the trimer or substituents in each unit. An organic light emitting device is also disclosed. The organic light emitting device includes a first electrode, an organic film having one or more layers and a second electrode, laminated successively, wherein at least one layer of the organic film includes at least one compound represented by formula 1.Type: GrantFiled: October 18, 2004Date of Patent: November 25, 2008Assignee: LG Chem, Ltd.Inventors: Kong Kyeom Kim, Min Jeong Lee, Yeon Hwan Kim, Jun Gi Jang
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Patent number: 7442449Abstract: The present invention provides an organic electroluminescence device, by which high brightness is provided in a manner of forming a hole injection or transport layer using a material that lowers an energy barrier.Type: GrantFiled: March 21, 2005Date of Patent: October 28, 2008Assignee: LG Display Co., Ltd.Inventors: Jung Keun Kim, Hyun Cheol Jeong, Kyung Hoon Lee, Chun Gun Park, Jeong Dae Seo
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Patent number: 7431981Abstract: A prepreg material infused with a bulk resin, where the bulk resin has shape memory alloy (SMA) particles intermixed in the resin to toughen the material when the material is used in an application and is cured. The SMA particles may be of various shapes and sizes. The material may form a prepreg fabric having interwoven fibers or a prepreg unidirectional tape having fibers oriented unidirectionally. Opposing surfaces of the material may be infused with quantities of bulk resin having different concentrations of SMA particles. The SMA particles may be mixed in the bulk resin while in their austenitic or martensitic states to suit the needs of specific applications.Type: GrantFiled: November 17, 2004Date of Patent: October 7, 2008Assignee: The Boeing CompanyInventor: Terry L Schneider
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Patent number: 7429425Abstract: There are provided oligoarylene derivatives capable of emitting blue light at high luminous efficiency which are represented by the following general formulae (1) to (4): Ar1-Ch-Ar2 ??(1) Ch1-L-Ch2 ??(2) Ar3-(L1)a-Ch3-(L2)b-Ar4 ??(3) Ar5-Ch4-(Ar7)n-L3-(Ar8)m-Ch5-Ar6 ??(4) wherein Ch, Ch1 and Ch2 are respectively a group containing at least one substituted or unsubstituted condensed aromatic ring having 14 to 20 nuclear atoms; Ch3, Ch4 and Ch5 are respectively a substituted or unsubstituted arylene group having 14 to 20 nuclear atoms; Ar1, Ar2, Ar3, Ar4, Ar5 and Ar6 are respectively a substituted or unsubstituted aryl group having 5 to 30 nuclear atoms; Ar7 and Ar8 are respectively a substituted or unsubstituted arylene group having 5 to 30 nuclear atoms; L1, L2 and L3 are respectively a connecting group; and a, b, n and m are respectively an integer of 0 to 1, as well as organic electroluminescent devices using the same.Type: GrantFiled: August 7, 2003Date of Patent: September 30, 2008Assignee: Idemitsu Kosan Company, Ltd.Inventors: Hidetsugu Ikeda, Masahide Matsuura, Hisayuki Kawamura
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Patent number: 7427428Abstract: A ceramic matrix composite material is disclosed having non-oxide ceramic fibers, which are formed in a complex fiber architecture by conventional textile processes; a thin mechanically weak interphase material, which is coated on the fibers; and a non-oxide or oxide ceramic matrix, which is formed within the interstices of the interphase-coated fiber architecture. During composite fabrication or post treatment, the interphase is allowed to debond from the matrix while still adhering to the fibers, thereby providing enhanced oxidative durability and damage tolerance to the fibers and the composite material.Type: GrantFiled: June 24, 2003Date of Patent: September 23, 2008Assignee: The United States of America as represented by the Administrator of the National Aeronautics and Space AdministrationInventors: James A. DiCarlo, Ramakrishna Bhatt, Gregory N. Morscher, Hee-Mann Yun
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Patent number: 7427445Abstract: Disclosed is a compound represented by the following formula 1 as a light emitting material: wherein each of R0, R1 and R2 is the same as defined herein. An organic light emitting device including a first electrode, an organic film having one or more layers and a second electrode, laminated successively, is also disclosed. At least one layer of the organic film includes at least one compound represented by formula 1. The organic light emitting device shows excellent characteristics in terms of light emitting efficiency, life time and thermal stability.Type: GrantFiled: November 3, 2004Date of Patent: September 23, 2008Assignee: LG Chem, Ltd.Inventors: Jae Soon Bae, Min Soo Kang
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Patent number: 7425375Abstract: An organic EL element of the present invention comprises a substrate, an electrode layer, an organic layer, and an electrode layer, whereas the organic layer 3 contains a vinyl polymer obtained by polymerizing a polymerizable monomer containing a compound represented by formula (1) or (2): wherein each of L1 and L2 is a bivalent group; each of X1, X2, X3, X4, X5, and X6 is alkyl group or the like; each of a and e is 0 or 1; each of b, f, g, and h is an integer of 0 to 3; c is an integer of 0 to 2; and d is an integer of 0 to 4.Type: GrantFiled: March 29, 2004Date of Patent: September 16, 2008Assignee: TDK CorporationInventors: Satoshi Shirai, Akira Ebisawa, Masahiro Shinkai, Emiko Kambe
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Patent number: 7422800Abstract: To provide an organic electroluminescent device having excellent durability and having high luminous efficiency and luminance, the organic electroluminescent device includes an organic compound layer containing at least one light emitting layer, wherein the light emitting layer contains a light emitting material and an electrically inactive organic compound capable of being subjected to dry film formation and having an energy difference Eg between highest occupied molecular orbital and lowest unoccupied molecular orbital of 4.0 eV or more.Type: GrantFiled: February 25, 2005Date of Patent: September 9, 2008Assignee: Fujifilm CorporationInventors: Masayuki Mishima, Jun Ogasawara
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Patent number: 7422799Abstract: To provide an organic electroluminescent device having excellent durability and having high luminous efficiency and luminance, the organic electroluminescent device includes an organic compound layer containing a hole transport layer, a light emitting layer, and an electron transport layer between a pair of electrodes, wherein the hole transport layer contains a hole transport material and an electrically inactive organic compound capable of being subjected to dry film formation and having an energy difference Eg between highest occupied molecular orbital and lowest unoccupied molecular orbital of 4.0 eV or more.Type: GrantFiled: February 25, 2005Date of Patent: September 9, 2008Assignee: Fujifilm CorporationInventors: Masayuki Mishima, Jun Ogasawara
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Patent number: 7404989Abstract: A composite article is provided which comprises a silicone rubber matrix reinforced with a polyaramid textile. The polyaramid textile is bonded to the silicone rubber by a bonding composition that comprises at least an acryloxy organosilane. The article is manufactured by dipping polyaramid textile into an organosilane dip that comprises an acyrloxy organosilane. The so-dipped polyaramid textile is then bonded to silicone rubber.Type: GrantFiled: April 1, 2004Date of Patent: July 29, 2008Assignee: Milliken & CompanyInventor: Dany Felix Maria Michiels
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Patent number: 7402346Abstract: An organic electroluminescent device comprising an anode, an electroluminescent region, and a cathode. The luminescent region comprises a light-emitting material of Formula I wherein R1 is independently selected from the group consisting of a hydrogen, an alkyl group, an aryl group, a heteroaryl group, an alkoxy group, an amino group, an alkyl amino group, and an aryl amino group; R2 is independently selected from the group consisting of hydrogen, a hetero atom, and an alkyl group; R3 is independently selected from the group consisting of hydrogen, an alkyl group, an aryl group, a heteroaryl group, an alkoxy group, a halogen atom, and a cyano group; and, R4 is independently selected from the group consisting of hydrogen, an alkyl group, an aryl group, a heteroaryl group, an alkoxy group, a halogen atom, and a cyano group.Type: GrantFiled: December 7, 2004Date of Patent: July 22, 2008Assignee: LG. Philips LCD Co., Ltd.Inventors: Jennifer A. Coggan, Hany Aziz, Timothy P. Bender, Nan-Xing Hu
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Patent number: 7399537Abstract: The invention is to provide an organic EL device having a long life time that can reduce the driving voltage of the organic EL device, and to provide a material having a small ionization potential and exhibiting a large hole mobility by using as a layer or a zone. The organic electroluminescence device comprises a pair of electrodes and an organic light emitting layer sandwiched in the electrodes, characterized in that a hole transporting zone provided between the electrodes comprises the phenylenediamine derivative represented by the specific structural formulae, and the phenylenediamine derivative has a hole mobility of 10?4 cm2/V·s or more upon using as a layer or a zone, with the organic light emitting layer containing a charge injection auxiliary.Type: GrantFiled: August 11, 2005Date of Patent: July 15, 2008Assignee: Idemitsu Kosan Co., Ltd.Inventors: Hisayuki Kawamura, Chishio Hosokawa
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Patent number: 7374830Abstract: An organic EL device includes a pair of electrodes, a light emitter layer obtained by mixing a hole transporting material made of a tertiary amine compound, an electron transporting material and a light emitting additive. The tertiary amine compound constituting the hole transporting material has only one oxidation potential as measured by the cyclic voltammetry. A difference in ionization potential between the hole transporting material and electron transporting material of the light emitter layer is 0.35 eV or greater.Type: GrantFiled: February 22, 2005Date of Patent: May 20, 2008Assignee: Denso CorporationInventors: Tetsuya Kato, Kazushige Kojima
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Patent number: 7354503Abstract: In one embodiment, a fire retardant composite panel material is fabricated. A water-based slurry comprising partially soluble boric acid and borax pentahydrate solids is created. An adhesive used in the composite panel fabrication process is added to fibers. The water-based slurry is separately added to the adhesive and, after mixing, to the fibers. The composite panel produced thereby is also described.Type: GrantFiled: June 20, 2003Date of Patent: April 8, 2008Assignee: Sierra Pine Ltd.Inventor: Graham Hume
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Patent number: 7351481Abstract: The present invention is related to an imidazole ring-containing compound and an organic electroluminescence (EL) display device using the same. In particular, the imidazole ring-containing compound may be used alone or in combination with a dopant as a material for organic films such as an electroluminescent layer. The organic EL display device using an organic film made of the imidazole ring-containing compound has improved characteristics such as luminance, efficiency, driving voltage, and color purity.Type: GrantFiled: October 6, 2004Date of Patent: April 1, 2008Assignee: Samsung SDI Co., Ltd.Inventors: Seok-Jong Lee, Young-Kook Kim, Seok-Hwan Hwang, Seung-Gak Yang, Hee-Yeon Kim, Young-Rag Do, Joo-Han Song
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Patent number: 7348072Abstract: A spirofluorene-type of a blue light-emitting polymer including an indenofluorene repeating unit having a spiroanthracene structure, and an organic electroluminescent display using the polymer. The brightness and efficiency property of the organic electroluminescent display are improved.Type: GrantFiled: November 24, 2004Date of Patent: March 25, 2008Assignee: Samsung SDI Co., Ltd.Inventors: Sang-Hoon Park, Soo-Hyoung Lee, Sang-Yeol Kim, Jhun-Mo Son, Dong-Yu Kim
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Patent number: 7348073Abstract: 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: GrantFiled: January 13, 2005Date of Patent: March 25, 2008Assignee: Samsung SDI Co., Ltd.Inventors: Kyu-Sik Kim, Woon-Jung Paek, Lyong-Sun Pu, In-Sung Song, Jong-Seob Kim, Ouck Han
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Patent number: 7338721Abstract: 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: GrantFiled: August 26, 2003Date of Patent: March 4, 2008Assignee: Canon Kabushiki KaishaInventors: Koichi Suzuki, Tatsundo Kawai, Akihiro Senoo, Naoki Yamada, Akihito Saitoh, Maki Okajima
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Patent number: 7309532Abstract: 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: GrantFiled: October 1, 2004Date of Patent: December 18, 2007Assignee: 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
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Patent number: 7270863Abstract: A resin-made interior member for an opening and closing body of the invention is a resin-made interior member to be attached to an inside of an outer panel of the opening and closing body and is formed by an injection molding method using a molding material of polypropylene type resin containing a reinforcing fiber and rubber and by properly setting the respective contents of the reinforcing fiber and the rubber component, the modulus of bend elasticity is improved by blending the reinforcing fiber without being accompanied with deterioration of the moldability as the material resin and the appearance of the molded product to improve rigidity of the interior member and impact resistance is assured by blending the rubber component to give the interior member with good moldability and appearance in form of the molded product and having a required rigidity and impact resistance.Type: GrantFiled: April 28, 2003Date of Patent: September 18, 2007Assignee: DaikyoNishikawa CorporationInventors: Issei Harima, Yoshiaki Saito, Takahiro Tochioka