Patents by Inventor Hiroshi Fujimaki
Hiroshi Fujimaki 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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Publication number: 20230155080Abstract: Provided is a display device capable of suppressing deterioration in reliability. A display device includes: a plurality of light-emitting elements; a contact portion provided around a region in which the plurality of light-emitting elements are formed; an insulating layer having a step on the contact portion; and a protective layer covering the light-emitting elements, the contact portion, and the insulating layer. The light-emitting element includes: a first electrode; a second electrode having a peripheral portion connected to the contact portion; and a light-emitting layer provided between the first electrode and the second electrode. The step rises in a direction from an inner side of the display device toward an outer circumference side, and A peripheral edge of the second electrode is provided closer to the region than the step.Type: ApplicationFiled: July 2, 2021Publication date: May 18, 2023Inventors: Hiroshi Fujimaki, Hiroshi Nishikawa
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Publication number: 20210376286Abstract: A display device includes a first substrate, a plurality of light emitting elements that is provided on the first substrate, a second substrate that is provided so as to face a plurality of the light emitting elements, a wall portion that is provided on the first substrate, surrounds an effective pixel area, and supports the second substrate, and a filling resin layer with which a space surrounded by the first substrate, the second substrate, and the wall portion is filled.Type: ApplicationFiled: November 12, 2019Publication date: December 2, 2021Inventors: HIROSHI FUJIMAKI, YOSHINORI UCHIDA
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Patent number: 11133489Abstract: A display device according to the present disclosure includes a first electrode, an inorganic hole injecting and transporting layer which is formed of an inorganic material and is formed on the first electrode, at least two light emitting units including a first organic light emitting unit and a second organic light emitting unit having different luminescent colors which are formed on the inorganic hole injecting and transporting layer, an electron transport layer which is formed on the at least two organic light emitting units, and a second electrode which is formed on the electron transport layer. Furthermore, a light emitting layer of the first organic light emitting unit is formed by laminating a light emitting layer of a first luminescent color and a light emitting layer of a second luminescent color, and a light emitting layer of the second organic light emitting unit is formed of the light emitting layer of the second luminescent color.Type: GrantFiled: June 5, 2019Date of Patent: September 28, 2021Assignee: Sony CorporationInventors: Tomoyoshi Ichikawa, Hiroshi Fujimaki
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Publication number: 20190288239Abstract: A display device according to the present disclosure includes a first electrode, an inorganic hole injecting and transporting layer which is formed of an inorganic material and is formed on the first electrode, at least two light emitting units including a first organic light emitting unit and a second organic light emitting unit having different luminescent colors which are formed on the inorganic hole injecting and transporting layer, an electron transport layer which is formed on the at least two organic light emitting units, and a second electrode which is formed on the electron transport layer. Furthermore, a light emitting layer of the first organic light emitting unit is formed by laminating a light emitting layer of a first luminescent color and a light emitting layer of a second luminescent color, and a light emitting layer of the second organic light emitting unit is formed of the light emitting layer of the second luminescent color.Type: ApplicationFiled: June 5, 2019Publication date: September 19, 2019Inventors: Tomoyoshi Ichikawa, Hiroshi Fujimaki
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Patent number: 10312471Abstract: A method of manufacturing a display device including first electrodes provided for respective pixels, an insulating layer having openings respectively opposed to the first electrodes, an organic layer including a light emitting layer common to all the pixels, and a second electrode formed over an entire surface of the organic layer laminated on a first substrate, includes a step of forming an auxiliary wiring made of a metallic material layer by irradiating the metallic material layer with energy rays from a side of the metallic material layer and selectively removing the metallic material layer by energy absorbed by a part corresponding to the pixel after the metallic material layer has been formed on an entire surface of the second electrode.Type: GrantFiled: March 4, 2016Date of Patent: June 4, 2019Assignee: Sony CorporationInventors: Hiroshi Fujimaki, Tomoyoshi Ichikawa
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Publication number: 20180097201Abstract: A method of manufacturing a display device including first electrodes provided for respective pixels, an insulating layer having openings respectively opposed to the first electrodes, an organic layer including a light emitting layer common to all the pixels, and a second electrode formed over an entire surface of the organic layer laminated on a first substrate, includes a step of forming an auxiliary wiring made of a metallic material layer by irradiating the metallic material layer with energy rays from a side of the metallic material layer and selectively removing the metallic material layer by energy absorbed by a part corresponding to the pixel after the metallic material layer has been formed on an entire surface of the second electrode.Type: ApplicationFiled: March 4, 2016Publication date: April 5, 2018Inventors: Hiroshi Fujimaki, Tomoyoshi ICHIKAWA
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Publication number: 20180083226Abstract: A display device according to the present disclosure includes a first electrode, an inorganic hole injecting and transporting layer which is formed of an inorganic material and is formed on the first electrode, at least two light emitting units including a first organic light emitting unit and a second organic light emitting unit having different luminescent colors which are formed on the inorganic hole injecting and transporting layer, an electron transport layer which is formed on the at least two organic light emitting units, and a second electrode which is formed on the electron transport layer. Furthermore, a light emitting layer of the first organic light emitting unit is formed by laminating a light emitting layer of a first luminescent color and a light emitting layer of a second luminescent color, and a light emitting layer of the second organic light emitting unit is formed of the light emitting layer of the second luminescent color.Type: ApplicationFiled: February 19, 2016Publication date: March 22, 2018Inventors: Tomoyoshi Ichikawa, Hiroshi Fujimaki
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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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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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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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Publication number: 20120211776Abstract: 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: March 26, 2012Publication date: August 23, 2012Applicant: SONY CORPORATIONInventors: Mitsuhiro Kashiwabara, Jiro Yamada, Hiroshi Fujimaki, Hirofumi Fujioka, Reo Asaki
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Patent number: 8232719Abstract: 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: October 12, 2010Date of Patent: July 31, 2012Assignee: Sony CorporationInventors: Mitsuhiro Kashiwabara, Jiro Yamada, Hiroshi Fujimaki, Hirofumi Fujioka, Reo Asaki
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Patent number: 7955151Abstract: A method of repairing an organic light-emitting display capable of reducing an eliminated area of an electrode or the like, and preventing a decline in display quality is provided. The method of repairing an organic light-emitting display, the organic light-emitting display including an organic light-emitting device, the organic-emitting device including a plurality of pixels, each of the plurality of pixels including a first electrode, an organic layer including a light-emitting layer, and a second electrode on a substrate in order, each of the plurality of pixels emitting light from a light-emitting region where the first electrode and the second electrode overlap each other with the organic layer in between, the method includes a step of: applying a laser beam to the periphery of a light-emitting region of a pixel which is constantly a bright spot.Type: GrantFiled: August 20, 2008Date of Patent: June 7, 2011Assignee: Sony CorporationInventor: Hiroshi Fujimaki
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Patent number: 7915816Abstract: An organic electroluminescence display device is provided. The organic electroluminescence display device includes plural organic electroluminescence elements. Each organic electroluminescence element includes: (A) a lower electrode; (B) an insulating layer having an opening, in which a lower electrode is exposed at the bottom of the opening; (C) an auxiliary wiring; (D) 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 (E) 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: May 2, 2008Date of Patent: March 29, 2011Assignee: Sony CorporationInventors: Mitsuhiro Kashiwabara, Jiro Yamada, Hiroshi Fujimaki, Hirofumi Fujioka, Reo Asaki
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Publication number: 20110027616Abstract: 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: October 12, 2010Publication date: February 3, 2011Applicant: SONY CORPORATIONInventors: Mitsuhiro Kashiwabara, Jiro Yamada, Hiroshi Fujimaki, Hirofumi Fujioka, Reo Asaki
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Publication number: 20090061720Abstract: A method of repairing an organic light-emitting display capable of reducing an eliminated area of an electrode or the like, and preventing a decline in display quality is provided. The method of repairing an organic light-emitting display, the organic light-emitting display including an organic light-emitting device, the organic-emitting device including a plurality of pixels, each of the plurality of pixels including a first electrode, an organic layer including a light-emitting layer, and a second electrode on a substrate in order, each of the plurality of pixels emitting light from a light-emitting region where the first electrode and the second electrode overlap each other with the organic layer in between, the method includes a step of: applying a laser beam to the periphery of a light-emitting region of a pixel which is constantly a bright spot.Type: ApplicationFiled: August 20, 2008Publication date: March 5, 2009Applicant: SONY CORPORATIONInventor: Hiroshi Fujimaki
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Publication number: 20080284323Abstract: An organic electroluminescence display device is provided. The organic electroluminescence display device includes plural organic electroluminescence elements. Each organic electroluminescence element includes: (A) a lower electrode; (B) an insulating layer having an opening, in which a lower electrode is exposed at the bottom of the opening; (C) an auxiliary wiring; (D) 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 (E) 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: May 2, 2008Publication date: November 20, 2008Applicant: SONY CORPORATIONInventors: Mitsuhiro Kashiwabara, Jiro Yamada, Hiroshi Fujimaki, Hirofumi Fujioka, Reo Asaki
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Patent number: 7091807Abstract: An attraction coil, a repulsion coil and a plunger are disposed in a magnetic path of an electromagnetic device. An starting flux generating section is disposed between the attraction coil and the repulsion coil in the magnetic path. A magnetic flux of the starting flux generating section is repulsed magnetically by a magnetic flux of the repulsion coil at a part of the magnetic path to start the plunger. The plunger is attracted to one of first and second magnetic path parts by electromagnetic forces generated from magnetic fluxes of the attraction coil and the repulsion coil.Type: GrantFiled: August 10, 2004Date of Patent: August 15, 2006Assignees: Japan AE Power Systems Corporation, Technical Consulting Tanimizu Ltd.Inventors: Toru Tanimizu, Toyohisa Tsuruta, Toshimasa Fukai, Akira Nishijima, Hiroshi Fujimaki, Yoshiyuki Tanimizu
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Publication number: 20050057103Abstract: An attraction coil, a repulsion coil and a plunger are disposed in a magnetic path of an electromagnetic device. An starting flux generating section is disposed between the attraction coil and the repulsion coil in the magnetic path. A magnetic flux of the starting flux generating section is repulsed magnetically by a magnetic flux of the repulsion coil at a part of the magnetic path to start the plunger. The plunger is attracted to one of first and second magnetic path parts by electromagnetic forces generated from magnetic fluxes of the attraction coil and the repulsion coil.Type: ApplicationFiled: August 10, 2004Publication date: March 17, 2005Inventors: Toru Tanimizu, Toyohisa Tsuruta, Toshimasa Fukai, Akira Nishijima, Hiroshi Fujimaki, Yoshiyuki Tanimizu