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No. Publication Number Title Publication/Patent Number Publication/Patent Number Publication Date Publication Date
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1 US7893429B2
Multifunction organic diode and matrix panel thereof
Publication/Patent Number: US7893429B2 Publication Date: 2011-02-22 Application Number: 11/909,295 Filing Date: 2006-03-01 Inventor: Okada, Hiroyuki   Naka, Shigeki   Onnagawa, Hiroyoshi   Assignee: National University Corporation University of Toyama   IPC: H01L35/24 Abstract: Disclosed is organic diode which is capable of light emitting display by an organic EL display, image sensing by a organic photodiode and power generation by an organic solar cell. Also disclosed is a matrix panel of such a multifunction organic diode. Specifically disclosed is a multifunction organic diode comprising a first electrode (12) formed on a substrate (11), an organic thin film (13) formed on the first electrode (12) and having both light emitting and photoconductive properties, and a second electrode (14) formed on the organic thin film (13). Disclosed is organic diode which is capable of light emitting display by an organic EL display, image sensing by a organic photodiode and power generation by an organic solar cell. Also disclosed is a matrix panel of such a multifunction organic diode. Specifically disclosed is ...More ...Less
2 US2009050878A1
MULTIFUNCTION ORGANIC DIODE AND MATRIX PANEL THEREOF
Publication/Patent Number: US2009050878A1 Publication Date: 2009-02-26 Application Number: 11/909,295 Filing Date: 2006-03-01 Inventor: Okada, Hiroyuki   Naka, Shigeki   Onnagawa, Hiroyoshi   Assignee: JAPAN SCIENCE AND TECHNOLOGY AGENCY   NATIONAL UNIVERSITY CORP. UNIVERSITY OF TOYAMA   IPC: H01L51/00 Abstract: Disclosed is organic diode which is capable of light emitting display by an organic EL display, image sensing by a organic photodiode and power generation by an organic solar cell. Also disclosed is a matrix panel of such a multifunction organic diode. Specifically disclosed is a multifunction organic diode comprising a first electrode (12) formed on a substrate (11), an organic thin film (13) formed on the first electrode (12) and having both light emitting and photoconductive properties, and a second electrode (14) formed on the organic thin film (13). Disclosed is organic diode which is capable of light emitting display by an organic EL display, image sensing by a organic photodiode and power generation by an organic solar cell. Also disclosed is a matrix panel of such a multifunction organic diode. Specifically disclosed is ...More ...Less
3 WO2007023707A1
BIDIRECTIONAL OPTICAL COMMUNICATION METHOD BY BIFUNCTION ORGANIC DIODE AND SYSTEM THEREFOR
Publication/Patent Number: WO2007023707A1 Publication Date: 2007-03-01 Application Number: 2006316012 Filing Date: 2006-08-14 Inventor: Okada, Hiroyuki   Naka, Shigeki   Onnagawa, Hiroyoshi   Assignee: Japan Science and Technology Agency   Okada, Hiroyuki   National University Corporation University of Toyama   NAKA, SHIGEKI   ONNAGAWA, HIROYOSHI   IPC: H01L31/12 Abstract: A bidirectional optical communication method and a system therefor by a bifunction organic diode which carry out light emission and light detection by means of a diode unit having organic EL and organic photodioide functions to enable bidirectional optical communication using one optical route. A first element and a second element respectively provided with light emission and light reception functions and containing organic materials are respectively used as the signal transmission unit and signal reception unit of a light-based communication means A bidirectional optical communication method and a system therefor by a bifunction organic diode which carry out light emission and light detection by means of a diode unit having organic EL and organic photodioide functions to enable bidirectional optical communication using ...More ...Less
4 US7307297B2
Organic photodiode and method for manufacturing the organic photodiode
Publication/Patent Number: US7307297B2 Publication Date: 2007-12-11 Application Number: 11/213,787 Filing Date: 2005-08-30 Inventor: Okada, Hiroyuki   Naka, Shigeki   Onnagawa, Hiroyoshi   Miyabayashi, Takeshi   Inoue, Toyokazu   Assignee: Japan Science and Technology Agency   National University Corporation Toyama University   Brother Kogyo Kabushiki Kaisha   IPC: H01L27/148 Abstract: In an organic photodiode, in a gap between a transparent anode formed on a glass substrate, and a reflection cathode formed oppositely thereto, a plurality of light receiving parts as layers of light absorbing composition, and partition walls for insulating between transparent anode and reflection cathode and insulating between adjacent light receiving parts are formed. Partition walls are formed by applying an ink solution to transparent anode and an insulating layer covering its periphery, dissolving the insulating layer by an organic solvent contained in the ink solution, and forming a plurality of dissolved holes contacting with transparent anode. The plurality of light receiving parts are formed by filling the plurality of dissolved holes with the light absorbing composition contained in the ink solution. In an organic photodiode, in a gap between a transparent anode formed on a glass substrate, and a reflection cathode formed oppositely thereto, a plurality of light receiving parts as layers of light absorbing composition, and partition walls for insulating between transparent ...More ...Less
5 WO2006103863A1
MULTIFUNCTION ORGANIC DIODE AND MATRIX PANEL THEREOF
Publication/Patent Number: WO2006103863A1 Publication Date: 2006-10-05 Application Number: 2006303840 Filing Date: 2006-03-01 Inventor: Okada, Hiroyuki   Naka, Shigeki   Onnagawa, Hiroyoshi   Assignee: Japan Science and Technology Agency   Okada, Hiroyuki   NAKA, SHIGEKI   ONNAGAWA, HIROYOSHI   MA NATIONAL UNIVERSITY CORPORATION UNIVERSITY OF TOYA   IPC: G09F9/30 Abstract: Disclosed is a multifunction organic diode which is capable of electroluminescent display by an organic EL display
6 US6992781B2
Film thickness measuring method and measuring apparatus for organic thin film for use in organic electroluminesce device
Publication/Patent Number: US6992781B2 Publication Date: 2006-01-31 Application Number: 10/389,751 Filing Date: 2003-03-18 Inventor: Okada, Hiroyuki   Shibata, Miki   Echigo, Tadahiro   Naka, Shigeki   Onnagawa, Hiroyoshi   Assignee: President of Toyama University   IPC: H01L27/15 Abstract: A method for measuring a relative thickness distribution of an organic thin film for use in an organic electroluminescence device comprises the steps of irradiating a predetermined region of the organic thin film with a light including an ultraviolet light, measuring the intensity of a fluorescence produced by the organic thin film in response to the light irradiation, and obtaining a film thickness of the predetermined region from the intensity of the fluorescence. Further, an apparatus for measuring a thickness distribution for use in an organic electroluminescence device has means for irradiating a predetermined region of the organic thin film with a light including an ultraviolet light, means for measuring the intensity of a fluorescence produced by the organic thin film, and means for obtaining the film thickness of the predetermined region from the intensity of the fluorescence. A method for measuring a relative thickness distribution of an organic thin film for use in an organic electroluminescence device comprises the steps of irradiating a predetermined region of the organic thin film with a light including an ultraviolet light, measuring the ...More ...Less
7 US2006186400A1
Organic photodiode and method for manufacturing the organic photodiode
Publication/Patent Number: US2006186400A1 Publication Date: 2006-08-24 Application Number: 11/213,787 Filing Date: 2005-08-30 Inventor: Okada, Hiroyuki   Naka, Shigeki   Onnagawa, Hiroyoshi   Miyabayashi, Takeshi   Inoue, Toyokazu   Assignee: JAPAN SCIENCE AND TECHNOLOGY AGENCY   NATIONAL UNIVERSITY CORPORATION TOYAMA UNIVERSITY   BROTHER KOGYO KABUSHIKI KAISHA   IPC: H01L29/08 Abstract: In an organic photodiode, in a gap between a transparent anode formed on a glass substrate, and a reflection cathode formed oppositely thereto, a plurality of light receiving parts as layers of light absorbing composition, and partition walls for insulating between transparent anode and reflection cathode and insulating between adjacent light receiving parts are formed. Partition walls are formed by applying an ink solution to transparent anode and an insulating layer covering its periphery, dissolving the insulating layer by an organic solvent contained in the ink solution, and forming a plurality of dissolved holes contacting with transparent anode. The plurality of light receiving parts are formed by filling the plurality of dissolved holes with the light absorbing composition contained in the ink solution. In an organic photodiode, in a gap between a transparent anode formed on a glass substrate, and a reflection cathode formed oppositely thereto, a plurality of light receiving parts as layers of light absorbing composition, and partition walls for insulating between transparent ...More ...Less
8 US2006214565A1
Top-emitting multi-photon OLED panel
Publication/Patent Number: US2006214565A1 Publication Date: 2006-09-28 Application Number: 11/378,795 Filing Date: 2006-03-16 Inventor: Luo, Yongchun   Nagai, Naomi   Miura, Nobuhito   Tsutsui, Naganori   Naka, Shigeki   Okada, Hiroyuki   Onnagawa, Hiroyoshi   Assignee: Luo, Yongchun   Nagai, Naomi   Miura, Nobuhito   Tsutsui, Naganori   Naka, Shigeki   Okada, Hiroyuki   Onnagawa, Hiroyoshi   IPC: H05B33/00 Abstract: A top-emitting type multi-photon OLED panel comprises: an insulating substrate; a cathode formed on the insulating substrate; a plurality of organic layers laminated on the cathode; and a transparent anode formed on the top layer of the plurality of organic layers, wherein a charge generation layer is sandwiched between each organic layer. A top-emitting type multi-photon OLED panel comprises: an insulating substrate; a cathode formed on the insulating substrate; a plurality of organic layers laminated on the cathode; and a transparent anode formed on the top layer of the plurality of organic layers, wherein a ...More ...Less
9 TW200532854A
Organic vertical transistor and process for fabricating the same
Publication/Patent Number: TW200532854A Publication Date: 2005-10-01 Application Number: 94102079 Filing Date: 2005-01-25 Inventor: Okada, Hiroyuki   Naka, Shigeki   Onnagawa, Hiroyoshi   Assignee: Japan Science and Technology Agency   NAT UNIVERSITY CORP TOYAMA UNI   IPC: H01L21/336 Abstract: The present invention provides an organic vertical transistor in which integration is facilitated and a short channel can be attained while increasing the on current and decreasing the off current
10 US6894752B2
Liquid crystal display device
Publication/Patent Number: US6894752B2 Publication Date: 2005-05-17 Application Number: 10/245,756 Filing Date: 2002-09-18 Inventor: Okada, Hiroyuki   Ohno, Hiroshi   Onnagawa, Hiroyoshi   Assignee: President of Toyama University   IPC: Abstract: A liquid crystal display device comprises a liquid crystal layer containing a nematic liquid crystal material, first and second light-transmissive substrates which hold the nematic liquid crystal material therebetween such that liquid crystal molecules are aligned in a predetermined directions, and first and second circular electrodes which are formed on the first and second light-transmissive substrates and apply to the liquid crystal layer an electric field for controlling the orientation of the liquid crystal molecules. In particular, the first and second circular electrodes include radial light-shielding electrode lines and concentric light-shielding electrode lines, which are opposed to each other to divide the liquid crystal layer into a plurality of domains between which liquid crystal molecules are set in different tilt directions under the electric field. A liquid crystal display device comprises a liquid crystal layer containing a nematic liquid crystal material, first and second light-transmissive substrates which hold the nematic liquid crystal material therebetween such that liquid crystal molecules are aligned in a ...More ...Less
11 WO2005091376A1
ORGANIC VERTICAL TRANSISTOR AND PROCESS FOR FABRICATING SAME
Publication/Patent Number: WO2005091376A1 Publication Date: 2005-09-29 Application Number: 2005000560 Filing Date: 2005-01-19 Inventor: Okada, Hiroyuki   Naka, Shigeki   Onnagawa, Hiroyoshi   Assignee: Japan Science and Technology Agency   Okada, Hiroyuki   NAKA, SHIGEKI   NATIONAL UNIVERSITY CORPORATION TOYAMA UNIVERSITY   ONNAGAWA, HIROYOSHI   IPC: H01L21/336 Abstract: An organic vertical transistor in which integration is facilitated and a short channel can be attained while increasing the on current and decreasing the off current
12 EP1349138A3
Driving method for matrix type organic EL element and matrix type organic EL apparatus
Publication/Patent Number: EP1349138A3 Publication Date: 2005-03-16 Application Number: 03006078.4 Filing Date: 2003-03-19 Inventor: Okada, Hiroyuki   Naka, Shigeki   Onnagawa, Hiroyoshi   Assignee: President of Toyama University   IPC: G09G3/32 Abstract: The driving method for a matrix type organic EL element comprises the steps of selectively applying an identical scanning voltage amplitude pattern to the plurality of row direction electrodes of two or more rows in accordance with the scanning voltage amplitude pattern applied to the row direction electrodes (6) to simultaneously scan the electrodes, separately applying a signal voltage pattern, which is applied to the column direction electrodes (3), to the electrodes simultaneously scanned in the row direction through two sets or more of the plurality of column direction electrodes which are independent of each other, and simultaneously scanning two or more of a plurality of scanning lines to thereby form image information to be displayed in one frame. The driving method for a matrix type organic EL element comprises the steps of selectively applying an identical scanning voltage amplitude pattern to the plurality of row direction electrodes of two or more rows in accordance with the scanning voltage amplitude pattern applied ...More ...Less
13 KR100474608B1
LIQUID CRYSTAL DISPLAY DEVICE
Publication/Patent Number: KR100474608B1 Publication Date: 2005-03-10 Application Number: 20020056873 Filing Date: 2002-09-18 Inventor: Ohno, Hiroshi   Okada, Hiroyuki   Onnagawa, Hiroyoshi   Assignee: TOYAMA UNIVERSITY   IPC: G02F1/1333 Abstract: PURPOSE: To improve deviation of viewing angle characteristics and on the other hand to make threshold characteristics controllable. CONSTITUTION: A liquid crystal display element is provided with a liquid crystal layer containing a nematic liquid crystal material
14 TW578437B
Organic light-emitting device capable of high-quality display
Publication/Patent Number: TW578437B Publication Date: 2004-03-01 Application Number: 91105456 Filing Date: 2002-03-21 Inventor: Okada, Hiroyuki   Naka, Shigeki   Onnagawa, Hiroyoshi   Tabatake, Shigeru   Assignee: PRESIDENT OF TOYAMA UNIVERSITY   IPC: H01L51/50 Abstract: The object of the present invention is to provide an organic light emitting device which can be operated at a low voltage
15 US6806640B2
Organic electroluminescence device having current injection layer between light emitting layer and cathode
Publication/Patent Number: US6806640B2 Publication Date: 2004-10-19 Application Number: 10/364,497 Filing Date: 2003-02-12 Inventor: Okada, Hiroyuki   Tabatake, Shigeru   Naka, Shigeki   Onnagawa, Hiroyoshi   Assignee: President of Toyama University   IPC: H05B3300 Abstract: Provided is an organic electroluminescence device which operates at a low voltage, has a uniform light emission surface, and can display high-quality images. In an organic electroluminescence device, an anode, a hole transport layer made of an organic compound, a light emitting layer made of an organic compound, and a cathode are stacked in the order named, and an electron injection layer containing a lanthanoid oxide is formed between the light emitting layer and cathode. The anode and/or cathode is made of a transparent conductive material. In another organic electroluminescence device, an anode, a hole transport layer made of an organic compound, a light emitting layer made of an organic compound, and a cathode are stacked in the order named, and an electron injection layer formed by mixing a lanthanoid metal oxide and organic compound is formed between the light emitting layer and cathode. Provided is an organic electroluminescence device which operates at a low voltage, has a uniform light emission surface, and can display high-quality images. In an organic electroluminescence device, an anode, a hole transport layer made of an organic compound, a light emitting ...More ...Less
16 US6710549B2
Driving method for matrix type organic EL element and matrix type organic EL apparatus
Publication/Patent Number: US6710549B2 Publication Date: 2004-03-23 Application Number: 10/389,952 Filing Date: 2003-03-18 Inventor: Okada, Hiroyuki   Naka, Shigeki   Onnagawa, Hiroyoshi   Assignee: President of Toyama University   IPC: G09G310 Abstract: The driving method for a matrix type organic EL element comprises the steps of selectively applying an identical scanning voltage amplitude pattern to the plurality of row direction electrodes of two or more rows in accordance with the scanning voltage amplitude pattern applied to the row direction electrodes to simultaneously scan the electrodes, separately applying a signal voltage pattern, which is applied to the column direction electrodes, to the electrodes simultaneously scanned in the row direction through two sets or more of the plurality of column direction electrodes which are independent of each other, and simultaneously scanning two or more of a plurality of scanning lines to thereby form image information to be displayed in one frame. The driving method for a matrix type organic EL element comprises the steps of selectively applying an identical scanning voltage amplitude pattern to the plurality of row direction electrodes of two or more rows in accordance with the scanning voltage amplitude pattern applied ...More ...Less
17 US6756249B2
Method of manufacturing organic electroluminescent device
Publication/Patent Number: US6756249B2 Publication Date: 2004-06-29 Application Number: 10/268,791 Filing Date: 2002-10-11 Inventor: Naka, Shigeki   Echigo, Tadahiro   Okada, Hiroyuki   Onnagawa, Hiroyoshi   Assignee: President of Toyama University   IPC: H01L5140 Abstract: A method of manufacturing an organic electroluminescent device has the steps of forming a first electrode on a substrate, preparing a solution containing a hole transport organic material, an electron transport organic material and a luminescent organic material, followed by spraying the solution onto the first electrode by using a pressurized gas so as to form an organic thin film layer, and forming a second electrode on the organic thin film layer. A method of manufacturing an organic electroluminescent device has the steps of forming a first electrode on a substrate, preparing a solution containing a hole transport organic material, an electron transport organic material and a luminescent organic material, followed by ...More ...Less
18 EP1296175A3
Liquid crystal display device
Publication/Patent Number: EP1296175A3 Publication Date: 2004-01-28 Application Number: 02020580.3 Filing Date: 2002-09-17 Inventor: Okada, Hiroyuku   Ohno, Hiroshi   Onnagawa, Hiroyoshi   Assignee: President of Toyama University   IPC: G02F1/1343 Abstract: A liquid crystal display device comprises a liquid crystal layer (13) containing a nematic liquid crystal material, first and second light-transmissive substrates (11, 12) which hold the nematic liquid crystal material therebetween such that liquid crystal molecules are aligned in a predetermined directions, and first and second circular electrodes (EL1, EL2) which are formed on the first and second light-transmissive substrates (11, 12) and apply to the liquid crystal layer (13) an electric field for controlling the orientation of the liquid crystal molecules. In particular, the first and second circular electrodes (EL1, EL2) include radial light-shielding electrode lines and concentric light-shielding electrode lines, which are opposed to each other to divide the liquid crystal layer (13) into a plurality of domains between which liquid crystal molecules are set in different tilt directions under the electric field. A liquid crystal display device comprises a liquid crystal layer (13) containing a nematic liquid crystal material, first and second light-transmissive substrates (11, 12) which hold the nematic liquid crystal material therebetween such that liquid crystal molecules are aligned ...More ...Less