With Electrode Matrix Patents (Class 313/505)
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Patent number: 8440326Abstract: Novel materials are provided, having a single phenyl or chain of phenyls where there is a nitrogen atom on each end of the single phenyl or chain of phenyls. The nitrogen atom may be further substituted with particular triphenylene groups. Organic light-emitting devices are also provided, where the novel materials are used as a hole transport material in the device. Combinations of the hole transport material with specific host materials are also provided.Type: GrantFiled: June 30, 2009Date of Patent: May 14, 2013Assignee: Universal Display CorporationInventors: Chuanjun Xia, Raymond Kwong
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Publication number: 20130113843Abstract: Disclosed is a display device including a pixel portion having a plurality of pixels which have a display element and a transmissive portion. The display element includes a light-emitting element which does not transmit external light, while the transmissive portion is arranged to transmit external light. In the display element, a top-emission or bottom-emission type light-emitting element is provided. On the other hand, no light-emitting element or a dual-emission type light-emitting element which possesses an EL layer interposed between two light-transmissive electrodes is provided to the transmissive portion. The emission color of the display element is controlled by a color filter which overlaps with the light-emitting element in the display element, while no color filter is given to the transmissive portion.Type: ApplicationFiled: October 18, 2012Publication date: May 9, 2013Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.Inventor: SEMICONDUCTOR ENERGY LABORATORY CO.
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Patent number: 8435646Abstract: An organic electroluminescent device, having an organic compound layer including two or more layers including at least a buffer layer and an emitting layer, wherein at least one of the organic compound layers other than the buffer layer contains at least one charge-transporting polyester represented by Formula (I-1) or (I-2), and the buffer layer is formed in contact with an anode and contains a crosslinked compound formed by using at least one charge injection material containing a substituted silicon group and represented by Formula (III).Type: GrantFiled: October 24, 2007Date of Patent: May 7, 2013Assignee: Fuji Xerox Co., Ltd.Inventors: Daisuke Okuda, Katsuhiro Sato, Kiyokazu Mashimo, Takeshi Agata, Toru Ishii, Akira Imai, Tadayoshi Ozaki, Hidekazu Hirose, Hirohito Yoneyama, Mieko Seki, Yohei Nishino, Koji Horiba
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Patent number: 8436534Abstract: A surface light-emitting apparatus for emitting light from an entire surface thereof includes a framework having a predetermined shape and an LED disposed in the framework. A reflective layer is applied on an inner surface of the framework. The reflective layer can reflect light emitted from the LED. The apparatus includes a dispersing layer containing a multiplicity of diffuse-reflective particles operable to transmit at least a portion of the light emitted by the LED within the framework and diffuse-reflect at least a portion of the light along contact surfaces contacting each other. The apparatus includes a finishing layer including a light-transmitting resin disposed on the dispersing layer. The light emitted by the LED is dispersed and emitted through the diffuse-reflective particles.Type: GrantFiled: September 25, 2009Date of Patent: May 7, 2013Assignee: Nexon Co., LtdInventor: Young-Gu Park
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Patent number: 8435647Abstract: The present invention is directed to the field of organic light emitting diode (OLED) electroluminescent devices comprising a novel hole-conducting material having a Spirobixanthen-unit.Type: GrantFiled: November 18, 2009Date of Patent: May 7, 2013Assignee: Koninklijke Philips Electronics N.V.Inventors: Bjoern Pampuch, Herbert F. Boerner, Josef Salbeck
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Patent number: 8436533Abstract: A method for forming a coating over a surface is disclosed. The method comprises depositing over a surface, a hybrid layer comprising a mixture of a polymeric material and a non-polymeric material. The hybrid layer may have a single phase or comprise multiple phases. The hybrid layer is formed by chemical vapor deposition using a single source of precursor material. The chemical vapor deposition process may be plasma-enhanced and may be performed using a reactant gas. The precursor material may be an organo-silicon compound, such as a siloxane. The hybrid layer may comprise various types of polymeric materials, such as silicone polymers, and various types of non-polymeric materials, such as silicon oxides. By varying the reaction conditions, the wt % ratio of polymeric material to non-polymeric material may be adjusted. The hybrid layer may have various characteristics suitable for use with organic light-emitting devices, such as optical transparency, impermeability, and/or flexibility.Type: GrantFiled: May 31, 2011Date of Patent: May 7, 2013Assignee: The Trustees of Princeton UniversityInventors: Sigurd Wagner, Prashant Mandlik
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Patent number: 8436530Abstract: An organic electroluminescence display device is provided. The organic electroluminescence display device includes plural organic electroluminescence elements. Each organic electroluminescence element includes: a lower electrode; an insulating layer having an opening, in which a lower electrode is exposed at the bottom of the opening; an auxiliary wiring; a stacked structure provided from a portion over the lower electrode exposed at the bottom of the opening to a portion of the insulating layer surrounding the opening, including a light emitting layer made of an organic light-emitting material; and an upper electrode. At least one layer of the stacked structure partially contacts the auxiliary wiring. The insulating layer and the auxiliary wiring are provided in common to the plurality of organic EL elements. The upper electrode covers the whole surface of the stacked structures and the auxiliary wiring.Type: GrantFiled: March 26, 2012Date of Patent: May 7, 2013Assignee: Sony CorporationInventors: Mitsuhiro Kashiwabara, Jiro Yamada, Hiroshi Fujimaki, Hirofumi Fujioka, Reo Asaki
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Patent number: 8436338Abstract: This invention generally relates to improved methods of fabricating molecular electronic devices, in particular organic electronic devices such as organic light emitting diodes (OLEDs) by droplet deposition techniques such as ink jet printing. The invention also relates to molecular device substrates fabricated by and/or use in such methods. We describe an optical or optoelectronic device comprising a substrate and a plurality of discrete bank structures disposed on the substrate, wherein: each bank structure defines the perimeter of at least one well; one or more of a charge transporting, charge injecting, light-filtering and light-emitting material is disposed in the well; and at least one bank structure defines the perimeter of at least one well and does not extend to the perimeter of any adjacent well. Thus in embodiments no part of said perimeter defines the bank of more than one well.Type: GrantFiled: September 21, 2007Date of Patent: May 7, 2013Assignee: Cambridge Display Technology LimitedInventor: Haydn Gregory
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Patent number: 8432096Abstract: A single-color EL element includes a substrate; a plurality of signal wires arranged over the substrate; a plurality of pixel electrodes electrically coupled with a respective one of the plurality of signal wires via connecting wires to constitute a matrix as a whole, the plurality of pixel electrodes being separate from one another; and a single-color EL layer arranged over the plurality of pixel electrodes.Type: GrantFiled: July 26, 2007Date of Patent: April 30, 2013Assignee: Sharp Kabushiki KaishaInventors: Yohsuke Kanzaki, Hirohiko Nishiki, Tohru Okabe
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Patent number: 8432095Abstract: Systems and methods for the design and fabrication of OLEDs, including high-performance large-area OLEDs, are provided. Variously described fabrication processes may be used to deposit and pattern bus lines with a smooth profile and a gradual sidewall transition. Such smooth profiles may, for example, reduce the probability of electrical shorting at the bus lines. Accordingly, in certain circumstances, an insulating layer may no longer be considered essential, and may be optionally avoided altogether. In cases where an insulating layer is not used, further enhancements in the emissive area and shelf life of the device may be achieved as well. According to aspects of the invention, bus lines such as those described herein may be deposited, and patterned, using vapor deposition such as vacuum thermal evaporation (VTE) through a shadow mask, and may avoid multiple photolithography steps.Type: GrantFiled: May 11, 2011Date of Patent: April 30, 2013Assignee: Universal Display CorporationInventors: Huiqing Pang, Peter Levermore, Kamala Rajan, Emory Krall, Ruiqing (Ray) Ma, Paul E. Burrows
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Patent number: 8431182Abstract: An object of the invention is to improve patterning accuracy while maintaining low cost, high throughput and a high degree of freedom of an optical material in a matrix type display device and a manufacturing method thereof. In order to achieve the object, a difference in height, a desired distribution of liquid repellency and affinity to liquid, or a desired potential distribution is formed by utilizing first bus lines in a passive matrix type display device or utilizing scanning lines, signal lines, common current supply lines, pixel electrodes, an interlevel insulation film, or a light shielding layer in an active matrix type display device. A liquid optical material is selectively coated at predetermined positions by utilizing the difference in height, the desired distribution of liquid repellency and affinity to liquid, or the desired potential distribution.Type: GrantFiled: August 27, 2008Date of Patent: April 30, 2013Assignee: Seiko Epson CorporationInventors: Mutsumi Kimura, Hiroshi Kiguchi
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Patent number: 8431251Abstract: A heterocyclic compound represented by Formula 1 below and an organic light-emitting device including an organic layer that includes the following heterocyclic compound: wherein R1 to R13 are each independently a hydrogen atom, a heavy hydrogen atom, a substituted or unsubstituted C1-C60 alkyl group, a substituted or unsubstituted C2-C60 alkenyl group, a substituted or unsubstituted C2-C60 alkynyl group, a substituted or unsubstituted C3-C60 cycloalkyl group, a substituted or unsubstituted C1-C60 alkoxy group, a substituted or unsubstituted C5-C60 aryloxy group, a substituted or unsubstituted C5-C60 arylthio group, a substituted or unsubstituted C5-C60 aryl group, an amino group substituted with a C5-C60 aryl group or a C3-C60 heteroaryl group, a substituted or unsubstituted C3-C60 heteroaryl group, a substituted or unsubstituted C6-C60 condensed polycyclic group, a halogen atom, a cyano group, a nitro group, a hydroxy group, or a carboxy group.Type: GrantFiled: December 8, 2011Date of Patent: April 30, 2013Assignee: Samsung Display Co., Ltd.Inventors: Jin-O Lim, Seok-Hwan Hwang, Young-Kook Kim, Hye-Jin Jung, Sang-Hyun Han, Chang-Ho Lee, Jong-Hyuk Lee, Hee-Joo Ko
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Patent number: 8431248Abstract: 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 carbazole derivative represented by a general formula (I). The carbazole derivative according to the present invention is excellent in the hole injecting property. By using the carbazole 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: March 1, 2011Date of Patent: April 30, 2013Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Harue Nakashima, Sachiko Kawakami, Daisuke Kumaki
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Patent number: 8425272Abstract: A method of producing an encapsulated module of interconnected opto-electronic devices which comprises: forming a patterned anode layer; forming a layer of opto-electronically active material over the patterned anode layer; forming a patterned cathode layer over the layer of opto-electronically active material, to provide a device array of opto-electronically active cells on the substrate; selectively removing portions of the layer of opto-electronically active material so as to expose minor portions of the anodes; forming a patterned interconnect layer on an encapsulating sheet in a pattern to define an array of interconnect pads; and laminating the patterned encapsulating sheet over the array of opto-electronically active cells whereby the exposed anode portions are interconnected with the cathodes of adjacent cells by the interconnect pads and the interconnected cells are encapsulated by the encapsulating sheet.Type: GrantFiled: July 25, 2005Date of Patent: April 23, 2013Assignee: Cambridge Display Technology LimitedInventors: Jonathan J. Halls, Richard Wilson
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Patent number: 8427048Abstract: By using a light emitting device including an insulating substrate and a light emitting unit formed on the insulating substrate, the light emitting unit including: a plurality of linear wiring patterns disposed on the insulating substrate in parallel with one another, a plurality of light emitting elements that are mounted between the wiring patterns while being electrically connected to the wiring patterns, and a sealing member for sealing the light emitting elements, as well as a method for manufacturing thereof, it becomes possible to provide a light emitting device that achieves sufficient electrical insulation and has simple manufacturing processes so that it can be manufactured at a low cost, and a method for manufacturing the same.Type: GrantFiled: October 29, 2010Date of Patent: April 23, 2013Assignee: Sharp Kabushiki KaishaInventors: Masahiro Konishi, Makoto Agatani, Toshio Hata
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Publication number: 20130093316Abstract: An organic electroluminescent lighting device includes: a pair of rectangular electrode films stacked to face each other sandwiching an organic light-emitting element, and different from each other in polarity; wherein a first electrode film includes power supply terminal sections which are each of edge sides which face each other at a surface of the first electrode film; and auxiliary electrode film group including at least one of a plurality of first auxiliary electrode films and a plurality of second auxiliary electrode films located away from each other on the surface of the first electrode film. A sectional area viewed where the plurality of first auxiliary electrode films cuts perpendicularly to the edge sides increases relative to increasing distance from the edge sides. A sectional area viewed where the plurality of second auxiliary electrode films cuts parallel to the edge sides increases relative to increasing distance from the edge sides.Type: ApplicationFiled: May 20, 2011Publication date: April 18, 2013Applicant: NEC LIGHTING, LTD.Inventor: Yoshikazu Sakaguchi
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Patent number: 8420230Abstract: Provided is an organic light emitting diode employing a luminescent efficiency improvement layer containing a compound represented by Formula 1 below: The OLED including the luminescent efficiency improvement layer containing the compound represented by Formula 1 can have excellent luminescent efficiency.Type: GrantFiled: August 14, 2009Date of Patent: April 16, 2013Assignee: Samsung Display Co., Ltd.Inventors: Seung-Gak Yang, Hee-Yeon Kim, Jae-Yong Lee, Jong-Hyuk Lee
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Patent number: 8421343Abstract: Provided are an organic light emitting display device which can be simultaneously used as a mirror and a display screen in an external display device such as a mobile phone, and a manufacturing method for the organic light emitting display device. In one embodiment, an organic light emitting display device includes a first substrate and first transistors formed on the first substrate. A first organic light emitting diode is electrically connected to each of the first transistors. A second substrate is disposed opposite to the first substrate. Second organic light emitting diodes are formed on the second substrate. In the organic light emitting display device, a cathode electrode of each of the second organic light emitting diodes is formed of a reflective material.Type: GrantFiled: April 4, 2011Date of Patent: April 16, 2013Assignee: Samsung Display Co., Ltd.Inventor: Eun-Ah Kim
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Patent number: 8415031Abstract: Compounds comprising an aza-dibenzo moiety and a condensed aromatic moiety having at least three benzene rings are provided. In particular, the compounds may comprise an azadibenzofuran, azadibenzothiophene, or azadibenzoselenophene joined directly or indirectly to an anthracene. The compounds may be used in the electron transport layer of organic light emitting devices to provide devices with improved properties.Type: GrantFiled: January 24, 2011Date of Patent: April 9, 2013Assignee: Universal Display CorporationInventors: Chuanjun Xia, Siddharth Harikrishna Mohan, Vadim Adamovich
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Patent number: 8415875Abstract: An organic light emissive device comprising: a first electrode; a second electrode; and an organic light emissive region between the first and second electrodes comprising an organic light emissive material which has a peak emission wavelength, wherein at least one of the electrodes is transparent and comprises a composite of a charge injecting metal and another material which is codepositable with the charge injecting metal, the other material having a different refractive index to that of the charge injecting metal and wherein the other material has a lower degree of quenching at the peak emission wavelength than the charge injecting metal whereby quenching of excitons by the at least one electrode is reduced, the charge injecting metal comprising either a low work function metal having a work function of no more than 3.5 eV or a high work function metal having a work function of no less than 4.5 eV.Type: GrantFiled: September 22, 2011Date of Patent: April 9, 2013Assignee: Cambridge Display Technology LimitedInventors: Euan C. Smith, Matthew Roberts, William Young, Clare Foden
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Patent number: 8410682Abstract: An organic light emitting display (OLED) and a method of fabricating the same are provided. The method includes forming the OLED having upper and lower substrates that emit different colors from each other, and coupling the upper and lower substrates together.Type: GrantFiled: February 17, 2010Date of Patent: April 2, 2013Assignee: Samsung Display Co., Ltd.Inventors: Kwan-Hee Lee, Won-Kyu Kwak
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Patent number: 8410689Abstract: A stacked body comprising a light emitting layer and a light detecting element which detects light emitted by the light emitting layer. The light detecting element has a light detecting region which overlaps a light emitting surface of the light emitting layer as viewed in the thickness direction of the light emitting layer.Type: GrantFiled: June 30, 2010Date of Patent: April 2, 2013Assignee: Casio Computer Co., Ltd.Inventors: Isao Ebisawa, Yoshiyuki Matsuoka, Kenji Kobayashi
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Patent number: 8409728Abstract: An organic electroluminescence device includes an organic layer disposed between at least one pair of electrodes, wherein the organic layer includes at least one fluorescent compound selected from compounds represented by the following general formulae (1) and (2): wherein X1 to X16 each independently represents a hydrogen atom, a linear, branched or cyclic alkyl group having 1 to 20 carbon atoms, a linear, branched or cyclic alkoxy group having 1 to 20 carbon atoms, a substituted or unsubstituted aryl group having 6 to 30 carbon atoms, a substituted or unsubstituted aryloxy group having 6 to 30 carbon groups, a substituted or unsubstituted arylamino group having 6 to 30 carbon atoms, a substituted or unsubstituted alkylamino group having 1 to 30 carbon atoms, a substituted or unsubstituted arylalkylamino group having 7 to 30 carbon atoms or a substituted or unsubstituted alkenyl group having 8 to 30 carbon atoms; a pair of adjacent groups represented by X1 to X2 and a pair of adjacent substituents to gType: GrantFiled: August 19, 2010Date of Patent: April 2, 2013Assignee: Ritdisplay CorporationInventors: Shih Pin Tseng, Ming Lei Chen, Cheng Feng Su
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Patent number: 8410483Abstract: An organic light-emitting display device and method of manufacturing the same, the device including a first substrate; a second substrate facing the first substrate; an organic light-emitting unit formed by laser-induced thermal imaging, the organic light emitting unit being on the first substrate; a coupling member coupling the first substrate and the second substrate; and a supporting element on the first substrate, the supporting element having a height greater than a height of a thickest portion of the organic light-emitting unit and less than a height of the coupling member.Type: GrantFiled: July 14, 2011Date of Patent: April 2, 2013Assignee: Samsung Display Co., Ltd.Inventor: Min-Chul Suh
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Patent number: 8409729Abstract: Novel aryl silicon and aryl germanium host materials are described. These compounds improve OLED device performance when used as hosts in the emissive layer of the OLED.Type: GrantFiled: July 28, 2011Date of Patent: April 2, 2013Assignee: Universal Display CorporationInventors: Lichang Zeng, Alexey B. Dyatkin, Gregg Kottas, Chuanjun Xia, David Z. Li
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Patent number: 8410687Abstract: An emitting device in an organic electroluminescent device is disclosed, in which a lower electrode pattern is formed on a substrate, an emitting layer pattern is formed on the lower electrode pattern, and a transparent electrode is formed on the emitting layer pattern and an emitting body having a structure in which an organic thin film emits light when an application current is applied to it. The pattern of the transparent electrode completely covers and is larger than that of the lower electrode. The pattern of the transparent electrode is formed over the entire area of the pattern of the lower electrode.Type: GrantFiled: September 23, 2008Date of Patent: April 2, 2013Assignee: Samsung Display Co., Ltd.Inventors: Kazuhiko Hayashi, Takashi Fukuchi, Shinzo Tsuboi, Ichiro Fujieda
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Patent number: 8405303Abstract: An electroluminescent device includes at least first and second radiation emitter devices arranged on a common substrate. Each radiation emitter devise includes a first active layer and a second layer of organic material for generating the radiation, respectively. This device includes isolation means of dielectric material which are at least partially interposed between the first and second active layers to electrically isolate the first layer from the second active layer.Type: GrantFiled: October 16, 2006Date of Patent: March 26, 2013Assignee: STMicroelectronics S.r.l.Inventors: Maria Grazia Maglione, Chiara Leo, Salvatore Leonardi
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Patent number: 8399109Abstract: Organic electronic devices comprising a phthalimide compound. The phthalimide compounds disclosed herein are electron transporters with large HOMO-LUMO gaps, high triplet energies, large reduction potentials, and/or thermal and chemical stability. As such, these phthalimide compounds are suitable for use in any of various organic electronic devices, such as OLEDs and solar cells. In an OLED, the phthalimide compounds may serve various functions, such as a host in the emissive layer, as a hole blocking material, or as an electron transport material. In a solar cell, the phthalimide compounds may serve various functions, such as an exciton blocking material. Various examples of phthalimide compounds which may be suitable for use in the present invention are disclosed.Type: GrantFiled: September 21, 2012Date of Patent: March 19, 2013Assignee: The University of Southern CaliforniaInventors: Azad M. Hassan, Mark E. Thompson
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Patent number: 8399108Abstract: The present invention relates to a material for an organic electro-optical device and an organic electro-optical device including the same. More particularly, the present invention relates to a material having thermal stability of a glass transition temperature of 120° C. or more and a thermal decomposition temperature of 450° C. or more, and being capable of providing an organic electro-optical device having high efficiency and a long life-span due to less crystallization and improved amorphous properties in a material for an organic electro-optical device. The material for an organic electro-optical device can be used singularly or as a host material in combination with a dopant, and includes an asymmetric fluorene derivative compound. An organic electro-optical device including the material for an organic electro-optical device is also provided.Type: GrantFiled: May 28, 2008Date of Patent: March 19, 2013Assignee: Cheil Industries, Inc.Inventors: Eun-Sun Yu, Nam-Soo Kim, Young-Hoon Kim, Mi-Young Chae
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Patent number: 8395569Abstract: The present invention relates to an organic electroluminescent display (OELD) device, more particularly, to a dual panel type OELD device and a method of fabricating the same. The OLED structure has first and second barrier walls having a reverse-taper shape with respect to the first substrate and first and second side surfaces, wherein the walls define novel polymer patterns with varying heights relative to each other.Type: GrantFiled: October 8, 2009Date of Patent: March 12, 2013Assignee: LG Display Co., Ltd.Inventors: Kyung-Hee Min, Sung-Joon Bae, Joon-Suk Lee, Do-Hyung Kim
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Patent number: 8394512Abstract: The present invention relates to new phosphaphenanthrene compounds with excellent light emitting property and an organic light emitting diode (OLED) using the same.Type: GrantFiled: April 5, 2008Date of Patent: March 12, 2013Assignee: Inktec Co., Ltd.Inventors: Kwang Choon Chung, Hyun-Nam Cho, Ik-Kyu Park, Ji-Hoon Yoo, Ae-Ran Hyun, Yun-Ho Jung
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Patent number: 8389131Abstract: Provided is an organic electroluminescent device (organic EL device), in which the luminous efficiency of the device is improved, driving stability is sufficiently ensured, and the construction of the device is simple. This organic EL device is an organic electroluminescent device, including a light-emitting layer between an anode and a cathode laminated on a substrate, in which the light-emitting layer contains a phosphorescent light-emitting dopant and an indolocarbazole compound as a host material. Examples of the indolocarbazole compound include a compound represented by the following formula (1).Type: GrantFiled: March 24, 2010Date of Patent: March 5, 2013Assignee: Nippon Steel Chemical Co., Ltd.Inventors: Takahiro Kai, Masaki Komori, Toshihiro Yamamoto, Megumi Matsumoto
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Patent number: 8383251Abstract: A substituted pyrene for electroluminescent applications and a method to produce the substituted pyrenes.Type: GrantFiled: April 30, 2012Date of Patent: February 26, 2013Assignee: E I du Pont de Nemours and CompanyInventors: Norman Herron, Mark A. Guidry, Vsevolod Rostovtsev
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Patent number: 8384287Abstract: A high-definition organic EL display device which enhances utilization efficiency of a space within a pixel is provided. In an organic EL display device in which pixels each of which is constituted of an organic El element are arranged in a matrix array, the pixel includes a pixel circuit which is configured to control an electric current supplied to the organic El element, the pixel circuit includes a capacitance, and the capacitance is arranged on a boundary of the pixels arranged adjacent to each other in a longitudinal direction of the pixels. Further, one electrode which constitutes the capacitance is used in common by the pixels arranged adjacent to each other in the longitudinal direction, and another electrode which constitutes the capacitance is separated between the pixels arranged adjacent to each other in the longitudinal direction.Type: GrantFiled: October 28, 2008Date of Patent: February 26, 2013Assignees: Hitachi Displays, Ltd., Panasonic Liquid Crystal Display Co., Ltd.Inventors: Naoki Tokuda, Hajime Akimoto
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Patent number: 8384280Abstract: A reflective electrode (2) includes an aluminum alloy layer (2a) and an aluminum oxide layer (2b) arranged on or above a substrate and is directly connected to a transparent pixel electrode (3) without the interposition of a barrier metal layer. The aluminum alloy layer contains 0.1 to 2 atomic percent of nickel or cobalt and 0.1 to 2 atomic percent of lanthanum. The aluminum oxide layer has a ratio [O]/[Al] of the number of oxygen atoms [O] to the number of aluminum atoms [Al] of 0.30 or less. The aluminum oxide layer has a thickness in its thinnest portion of 10 nm or less. The reflective electrode has a high reflectance and a low contact resistance, even when subjected to a heat treatment at a low temperature of 100° C. or higher but 300° C. or lower. The reflective electrode also has excellent thermal stability and does not cause defects such as hillocks.Type: GrantFiled: December 25, 2008Date of Patent: February 26, 2013Assignee: Kobe Steel, Ltd.Inventors: Mototaka Ochi, Hiroshi Goto
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Patent number: 8377573Abstract: Provided is a compound having a substituted pyridyl group and a pyridoindole ring structure linked through a phenylene group, having formula (1), and an organic EL device with a pair of electrodes and at least one organic layer interposed between the electrodes, wherein the at least one organic layer having the compound:Type: GrantFiled: January 30, 2009Date of Patent: February 19, 2013Assignee: Hodogaya Chemical Co., Ltd.Inventors: Norimasa Yokoyama, Shuichi Hayashi, Sawa Izumi, Shigeru Kusano
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Patent number: 8372525Abstract: There is provided an active layer containing a dopant material and a host material, wherein the host material has an HPLC purity of at least 99.9% and an impurity absorbance no greater than 0.01. There is also provided an electronic device containing the active layer.Type: GrantFiled: November 13, 2007Date of Patent: February 12, 2013Assignee: E I du Pont de Nemours and CompanyInventors: Daniel David Lecloux, Reid John Chesterfield, Jeffrey A. Merlo, Eric Maurice Smith, Nora Sabina Radu
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Patent number: 8373170Abstract: A display apparatus is disclosed. The display apparatus includes a transistor formed on a substrate; an interlayer insulator formed on the transistor; a pixel electrode formed on the interlayer insulator; a first partition located above a contact hole which penetrates the interlayer insulator; and a second partition which intersects with the first partition, or which is located on a straight line intersecting with the first partition, and which brings a width value of the pixel electrode to a predetermined value.Type: GrantFiled: September 8, 2010Date of Patent: February 12, 2013Assignee: Ricoh Company, Ltd.Inventor: Akishige Murakami
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Patent number: 8368301Abstract: The present invention provides a light-emitting device including a light-emitting element over a substrate, the light-emitting element is partitioned from an adjacent light-emitting element by a partition wall, the light-emitting element comprising a first electrode, a layer formed over the first electrode, a light-emitting layer formed over the layer and a second electrode formed over the light-emitting layer, the layer contains an inorganic compound, an organic compound and a halogen atom, the partition wall contains the inorganic compound and the organic compound, and the layer. The light-emitting device provides higher reliability and fewer defects.Type: GrantFiled: December 13, 2011Date of Patent: February 5, 2013Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Hisao Ikeda, Takahiro Ibe, Junichi Koezuka, Kaoru Kato
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Patent number: 8368054Abstract: In an organic light emitting diode display including a first pixel and a second pixel that are associated with respective different colors, each of the first and second pixels being for displaying its associated color, each of the first and second pixels includes: a first electrode; a second electrode facing the first electrode; and a light emitting member formed between the first electrode and the second electrode; wherein the light emitting member of the first pixel includes: at least two light-emitting elements for emitting light of the color associated with the first pixel; and a charge generation layer between the at least two light-emitting elements; and wherein the second pixel has fewer light-emitting elements than the first pixel.Type: GrantFiled: October 13, 2008Date of Patent: February 5, 2013Assignee: Samsung Display Co., Ltd.Inventors: Hyo-Seok Kim, Kyong-Tae Park
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Patent number: 8368129Abstract: According to one embodiment, an illumination device includes an anode, a metal layer, a cathode, an organic electroluminescent unit, first and second insulating layers, and a plurality of conductive piercing layers. The metal layer has an electrical resistance lower than that of the anode. The cathode is provided between the anode and the metal layer. The organic electroluminescent unit is provided between the anode and the cathode. The first insulating layer is provided between the cathode and the metal layer. The conductive piercing layers pierce the organic electroluminescent unit, the cathode, and the first insulating layer along a direction from the anode toward the metal layer to electrically connect the anode to the metal layer, and are separate entities from the metal layer. The second insulating layer is provided between the organic electroluminescent unit and the conductive piercing layers and between the cathode and the conductive piercing layers.Type: GrantFiled: September 3, 2010Date of Patent: February 5, 2013Assignee: Kabushiki Kaisha ToshibaInventors: Tomio Ono, Shintaro Enomoto, Yasushi Shinjiyo, Taeko Urano, Akio Amano, Keiji Sugi, Tomoaki Sawabe
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Patent number: 8362683Abstract: An organic light emitting display apparatus includes a plurality of sub-pixels, each of the sub-pixels having a first electrode, a second electrode facing the first electrode, and an intermediate layer disposed between the first and second electrodes, the intermediate layer having a plurality of layers including an organic emission layer, at least one layer of the plurality of layers in the intermediate layer being commonly shared by two sub-pixels arranged in a first direction and by at least two sub-pixels arranged in a second direction perpendicular to the first direction.Type: GrantFiled: March 2, 2011Date of Patent: January 29, 2013Assignee: Samsung Display Co., Ltd.Inventors: Shinichiro Tamura, Hyo-Seok Kim, Byoung-Ki Choi
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Patent number: 8361638Abstract: The present invention relates to fluorine derivatives and organic electronic devices in which said compounds are used as a matrix material in the emitting layer and/or as a hole transport material, and/or as an electron blocking or exciton blocking material, and/or as an electron transport material.Type: GrantFiled: March 11, 2009Date of Patent: January 29, 2013Assignee: Merck Patent GmbHInventors: Philipp Stoessel, Holger Heil, Dominik Joosten, Christof Pflumm, Anja Gerhard
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Patent number: 8358065Abstract: A display panel package structure is disclosed, which includes a first substrate, a metal wire layer formed on the first substrate, an insulating layer formed on the metal wire layer, a second substrate, a frit formed on an edge of the second substrate for sealing the first substrate and the second substrate, and a conductive layer formed between the frit and the insulating layer corresponding to the frit for conducting a heat when the frit is heated.Type: GrantFiled: August 30, 2010Date of Patent: January 22, 2013Assignee: Au Optronics CorporationInventors: Chih-Che Liu, Shih-Feng Hsu
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Patent number: 8354789Abstract: A pixel arrangement of an organic light emitting display device includes first sub-pixels and second sub-pixels alternately arranged in a first direction to define a plurality of first columns along the first direction, and third sub-pixels arranged along the first direction to define a plurality of second columns along the first direction among the first columns, two second columns of the third sub-pixels being arranged among three first columns of the alternating first and second sub-pixels.Type: GrantFiled: January 31, 2011Date of Patent: January 15, 2013Assignee: Samsung Display Co., Ltd.Inventors: Gun-Shik Kim, Jae-Shin Kim, Jun-Sik Oh
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Patent number: 8344620Abstract: An active matrix electroluminescence display device and a method for fabricating the same, whereby damage caused by UV light rays during the fabrication process can be prevented, are disclosed. The active matrix electroluminescence display device includes a plurality of transistors formed on a substrate having an emissive area and a non-emissive area defined thereon, an insulating layer formed on the substrate and the thin film transistors, a metallic protective layer formed on the insulating layer of the non-emissive area, a first electrode formed on the insulating layer of the emissive area, an electroluminous layer formed on the first electrode, and a second electrode formed on the electroluminous layer.Type: GrantFiled: December 16, 2010Date of Patent: January 1, 2013Assignee: LG Electronics Inc.Inventor: Chang Nam Kim
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Patent number: 8343636Abstract: Crosslinkable compounds useful for making hole-transporting materials for organic light-emitting devices, hole-transporting layers made from the crosslinkable compounds, and light-emitting devices that include the hole-transporting layers.Type: GrantFiled: November 7, 2008Date of Patent: January 1, 2013Assignee: University of WashingtonInventors: Kwan-Yue Jen, Shi Michelle Liu, Yu-Hua Niu
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Patent number: 8344616Abstract: Provided is an organic light emitting display device which comprises a display area defined on a substrate, the display area comprise a display part having a sub pixels, scan driver areas respectively located at the left and right sides of the display area and including scan drivers which provide scan signals to the sub pixels, dummy areas respectively defined between the display area and the scan driver areas, and a wiring areas defined outside each of the scan driver areas and including a gate line and a source/drain line which are insulated from each other by insulating layers formed on the substrate and respectively located at different layers, wherein at least one of lines disposed in the wiring areas is electrically connected to a cathode located in the display area through an anode disposed in the scan driver areas.Type: GrantFiled: May 26, 2010Date of Patent: January 1, 2013Assignee: LG Display Co., Ltd.Inventors: Jaeho Sim, Soonkwang Hong
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Method of manufacturing an electric optical device in which external connection terminals are formed
Patent number: 8339030Abstract: An electro-optical device includes an effective display region including a pixel, the pixel including a first electrode, a second electrode, and a light-emitting layer between the first electrode and the second electrode; and a wiring line connected to the second electrode at a position to the periphery of the effective display region, the wiring line including a first wiring layer and a second wiring layer that are electrically connected to each other and that overlap each other, the first wiring layer and the second wiring layer both extending in a direction in which an edge of the effective display region extends, the first wiring layer and the second wiring layer extending in the direction a distance that is longer than a distance in which the edge of the effective display region extends in the direction.Type: GrantFiled: September 23, 2011Date of Patent: December 25, 2012Assignee: Seiko Epson CorporationInventors: Hayato Nakanishi, Masahiro Furusawa, Mitsuru Kuribayashi, Toshimitsu Hirai -
Patent number: 8339035Abstract: An organic EL light emitting module includes an organic EL light emitting panel 5 including an organic EL light emitting unit 52 formed on a substrate 51 and electrode terminals 53 for supplying power to the organic EL light emitting unit 52; a circuit substrate 3, electrically connected to the electrode terminals 53, for supplying power to the electrode terminals 53; and a casing 4 to which the organic EL light emitting panel 5 and the circuit substrate 3 are attached. The electrode terminals 53 are disposed at left and right end portions of the organic EL light emitting panel 5 having a substantially rectangular shape when viewed from the top, and extended portions 4a protruding by a predetermined width are formed at side surfaces of the casing 4 where the electrode terminals 53 of the organic EL light emitting panel 5 are absent.Type: GrantFiled: April 7, 2011Date of Patent: December 25, 2012Assignee: Panasonic CorporationInventors: Satoshi Fukano, Hideharu Kawachi, Shigetsugu Sumiyama