Patents by Inventor Mitsuhiro Kashiwabara
Mitsuhiro Kashiwabara has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 9147714Abstract: An organic EL device having a red light emitting area and a green light emitting area is provided. Each of the red light emitting area and the green light emitting area has a structure such that a first electrode having a light transmitting characteristic and an organic layer formed on the first electrode are stacked, and a second electrode having a light reflecting characteristic is disposed on the organic layers of the red and green light emitting areas. Reflectance of green light by the second electrode in the red light emitting area is smaller than reflectance of green light in the second electrode of the green light emitting area. Reflectance of red light by the second electrode of the red light emitting area is larger than reflectance of red light by the second electrode of the green light emitting area.Type: GrantFiled: November 27, 2013Date of Patent: September 29, 2015Assignee: SAMSUNG DISPLAY CO., LTD.Inventor: Mitsuhiro Kashiwabara
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Patent number: 9123666Abstract: A display unit includes a plurality of light emitting devices, each of the light emitting devices including a function layer including at least an organic layer is sandwiched between a first electrode and a second electrode, and which have a resonator structure for resonating light by using a space between the first electrode and the second electrode as a resonant section and extracting the light through the second electrode are arranged on a substrate, wherein in the respective light emitting devices, the organic layer is made of an identical layer, and a distance of the resonant section between the first electrode and the second electrode is set to a plurality of different values.Type: GrantFiled: July 24, 2014Date of Patent: September 1, 2015Assignee: Sony CorporationInventors: Mitsuhiro Kashiwabara, Jiro Yamada, Seiichi Yokoyama, Kohji Hanawa
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Patent number: 9117785Abstract: Provided is a display device, including a pixel electrode in each of a plurality of pixels; an auxiliary wiring part including a first auxiliary wiring having a first edge portion, and a second auxiliary wiring having a second edge portion spaced apart from and facing the first edge portion; an insulating layer on the pixel electrode and the auxiliary wiring part, and in which a first opening and a second opening are defined, the first opening overlapping the pixel electrode, and the second opening overlapping the first edge portion and the second edge portion; an organic light-emitting layer on the insulating layer and contacting the pixel electrode through the first opening; and an upper electrode on the organic light-emitting layer and having a connection portion electrically connected with the auxiliary wiring part through the second opening.Type: GrantFiled: November 19, 2014Date of Patent: August 25, 2015Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Mitsuhiro Kashiwabara, Toshiyuki Matsuura
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Patent number: 9093664Abstract: An organic light emitting device capable of improving the light extraction characteristics while suppressing the driving voltage and improving the luminescent performance, and a display unit using it are provided. The organic light emitting device includes: a lamination structure that includes a cathode, a plurality of layers including a light emitting layer made of an organic material, and an anode including a metal thin film in this order, in which the cathode is reflective and the anode is semi-transparent to light generated in the light emitting layer; and a resonator structure that resonates the light generated in the light emitting layer between the cathode and the anode.Type: GrantFiled: July 26, 2007Date of Patent: July 28, 2015Assignee: SONY CORPORATIONInventor: Mitsuhiro Kashiwabara
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Patent number: 9064450Abstract: Disclosed herein is a display device including: a red pixel configured to be provided with a red light-emitting element that generates red light; a green pixel configured to be provided with a green light-emitting element that generates green light; and two blue pixels configured to be provided with blue light-emitting elements that generate blue light and have the same structure, wherein a color filter is provided on a light-extraction side of at least one of the two blue pixels so that blue light beams having different y-values in an xy chromaticity coordinate system are extracted from the two blue pixels.Type: GrantFiled: March 5, 2008Date of Patent: June 23, 2015Assignee: JOLED INC.Inventor: Mitsuhiro Kashiwabara
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Publication number: 20150144914Abstract: Provided is a display device, including a pixel electrode in each of a plurality of pixels; an auxiliary wiring part including a first auxiliary wiring having a first edge portion, and a second auxiliary wiring having a second edge portion spaced apart from and facing the first edge portion; an insulating layer on the pixel electrode and the auxiliary wiring part, and in which a first opening and a second opening are defined, the first opening overlapping the pixel electrode, and the second opening overlapping the first edge portion and the second edge portion; an organic light-emitting layer on the insulating layer and contacting the pixel electrode through the first opening; and an upper electrode on the organic light-emitting layer and having a connection portion electrically connected with the auxiliary wiring part through the second opening.Type: ApplicationFiled: November 19, 2014Publication date: May 28, 2015Inventors: Mitsuhiro KASHIWABARA, Toshiyuki MATSUURA
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Publication number: 20150144936Abstract: An organic light emitting device capable of improving the light extraction characteristics while suppressing the driving voltage and improving the luminescent performance, and a display unit using it are provided. The organic light emitting device includes: a lamination structure that includes a cathode, a plurality of layers including a light emitting layer made of an organic material, and an anode including a metal thin film in this order, in which the cathode is reflective and the anode is semi-transparent to light generated in the light emitting layer; and a resonator structure that resonates the light generated in the light emitting layer between the cathode and the anode.Type: ApplicationFiled: February 3, 2015Publication date: May 28, 2015Inventor: Mitsuhiro Kashiwabara
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Publication number: 20150048355Abstract: An organic electroluminescence device includes a first electrode, an organic layer formed on the first electrode and including a light-emitting layer, an intermediate layer formed on the organic layer; and a second electrode formed on the intermediate layer and having a thickness of 6 nm or less.Type: ApplicationFiled: October 29, 2014Publication date: February 19, 2015Inventor: Mitsuhiro Kashiwabara
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Patent number: 8927980Abstract: An organic electroluminescence display device includes a p-doped layer doped with a P-type dopant on an anode electrode, a P-type dopant diffusion blocking layer on the p-doped layer, a first hole transport layer on the P-type dopant diffusion blocking layer, a light emitting layer on the first hole transport layer, an electron transport layer on light emitting layer, and a cathode electrode on the electron transport layer, the p-doped layer, the P-type dopant diffusion blocking layer, the hole transport layer, and the light emitting layer being stacked in the stated order on the anode.Type: GrantFiled: September 19, 2013Date of Patent: January 6, 2015Assignee: Samsung Display Co., Ltd.Inventor: Mitsuhiro Kashiwabara
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Patent number: 8916861Abstract: An organic electroluminescence device includes a first electrode, an organic layer formed on the first electrode and including a light-emitting layer, an intermediate layer formed on the organic layer; and a second electrode formed on the intermediate layer and having a thickness of 6 nm or less.Type: GrantFiled: March 14, 2013Date of Patent: December 23, 2014Assignee: Sony CorporationInventor: Mitsuhiro Kashiwabara
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Publication number: 20140332832Abstract: A display unit includes a plurality of light emitting devices, each of the light emitting devices including a function layer including at least an organic layer is sandwiched between a first electrode and a second electrode, and which have a resonator structure for resonating light by using a space between the first electrode and the second electrode as a resonant section and extracting the light through the second electrode are arranged on a substrate, wherein in the respective light emitting devices, the organic layer is made of an identical layer, and a distance of the resonant section between the first electrode and the second electrode is set to a plurality of different values.Type: ApplicationFiled: July 24, 2014Publication date: November 13, 2014Inventors: Mitsuhiro Kashiwabara, Jiro Yamada, Seiichi Yokoyama, Kohji Hanawa
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Patent number: 8841658Abstract: A light-emitting element is provided. The light-emitting element includes a first half-transmitting/reflecting film and a second half-transmitting/reflecting film sequentially on an organic layer by physical vapor deposition.Type: GrantFiled: May 2, 2013Date of Patent: September 23, 2014Assignee: Sony CorporationInventors: Eisuke Negishi, Jiro Yamada, Mitsuhiro Kashiwabara, Hirofumi Nakamura, Seonghee Noh
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Patent number: 8815130Abstract: A structure for pattern formation adapted for optically forming a pattern, characterized by comprising: a photocatalyst-containing layer provided on a substrate, the photocatalyst-containing layer containing a material of which the wettability is variable through photocatalytic action upon pattern-wise exposure.Type: GrantFiled: October 5, 2007Date of Patent: August 26, 2014Assignee: Dai Nippon Printing Co., Ltd.Inventors: Hironori Kobayashi, Manabu Yamamoto, Daigo Aoki, Hironori Kamiyama, Shinichi Hikosaka, Mitsuhiro Kashiwabara
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Patent number: 8786185Abstract: 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: January 14, 2014Date of Patent: July 22, 2014Assignee: Sony CorporationInventors: Mitsuhiro Kashiwabara, Jiro Yamada, Hiroshi Fujimaki, Hirofumi Fujioka, Reo Asaki
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Patent number: 8785108Abstract: A structure for pattern formation adapted for optically forming a pattern, characterized by comprising: a photocatalyst-containing layer provided on a substrate, the photocatalyst-containing layer containing a material of which the wettability is variable through photocatalytic action upon pattern-wise exposure.Type: GrantFiled: October 5, 2007Date of Patent: July 22, 2014Assignee: Dai Nippon Printing Co., Ltd.Inventors: Hironori Kobayashi, Manabu Yamamoto, Daigo Aoki, Hironori Kamiyama, Shinichi Hikosaka, Mitsuhiro Kashiwabara
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Publication number: 20140151663Abstract: An organic EL device having a red light emitting area and a green light emitting area is provided. Each of the red light emitting area and the green light emitting area has a structure such that a first electrode having a light transmitting characteristic and an organic layer formed on the first electrode are stacked, and a second electrode having a light reflecting characteristic is disposed on the organic layers of the red and green light emitting areas. Reflectance of green light by the second electrode in the red light emitting area is smaller than reflectance of green light in the second electrode of the green light emitting area. Reflectance of red light by the second electrode of the red light emitting area is larger than reflectance of red light by the second electrode of the green light emitting area.Type: ApplicationFiled: November 27, 2013Publication date: June 5, 2014Applicant: SAMSUNG DISPLAY CO., LTD.Inventor: Mitsuhiro KASHIWABARA
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Publication number: 20140124772Abstract: 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: ApplicationFiled: January 14, 2014Publication date: May 8, 2014Applicant: Sony CorporationInventors: Mitsuhiro Kashiwabara, Jiro Yamada, Hiroshi Fujimaki, Hirofumi Fujioka, Reo Asaki
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Patent number: 8680761Abstract: 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 1, 2013Date of Patent: March 25, 2014Assignee: Sony CorporationInventors: Mitsuhiro Kashiwabara, Jiro Yamada, Hiroshi Fujimaki, Hirofumi Fujioka, Reo Asaki
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Publication number: 20140077198Abstract: An organic electroluminescence display device includes a p-doped layer doped with a P-type dopant on an anode electrode, a P-type dopant diffusion blocking layer on the p-doped layer, a first hole transport layer on the P-type dopant diffusion blocking layer, a light emitting layer on the first hole transport layer, an electron transport layer on light emitting layer, and a cathode electrode on the electron transport layer, the p-doped layer, the P-type dopant diffusion blocking layer, the hole transport layer, and the light emitting layer being stacked in the stated order on the anode.Type: ApplicationFiled: September 19, 2013Publication date: March 20, 2014Inventor: Mitsuhiro KASHIWABARA
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Publication number: 20130240857Abstract: A light-emitting element is provided. The light-emitting element includes a first half-transmitting/reflecting film and a second half-transmitting/reflecting film sequentially on an organic layer by physical vapor deposition.Type: ApplicationFiled: May 2, 2013Publication date: September 19, 2013Applicant: SONY CORPORATIONInventors: Eisuke Negishi, Jiro Yamada, Mitsuhiro Kashiwabara, Hirofumi Nakamura, Seonghee Noh