Patents by Inventor Akira Yumoto
Akira Yumoto 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: 9013378Abstract: Herein disclosed an image display including: row scan lines configured to supply a control signal; column signal lines configured to supply a video signal; and pixel circuits configured to be disposed at intersections between the scan lines and the signal lines, wherein each of the pixel circuits has at least a drive transistor, a sampling transistor connected to a gate of the drive transistor, a capacitive part connected between the gate and a source of the drive transistor, and a light-emitting element connected to the source of the drive transistor.Type: GrantFiled: July 14, 2014Date of Patent: April 21, 2015Assignee: Sony CorporationInventor: Akira Yumoto
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Patent number: 9001012Abstract: Herein disclosed an image display including: row scan lines configured to supply a control signal; column signal lines configured to supply a video signal; and pixel circuits configured to be disposed at intersections between the scan lines and the signal lines, wherein each of the pixel circuits has at least a drive transistor, a sampling transistor connected to a gate of the drive transistor, a capacitive part connected between the gate and a source of the drive transistor, and a light-emitting element connected to the source of the drive transistor.Type: GrantFiled: June 4, 2014Date of Patent: April 7, 2015Assignee: Sony CorporationInventor: Akira Yumoto
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Patent number: 8981375Abstract: A transistor includes: a gate electrode; a semiconductor layer facing the gate electrode with an insulating layer in between; a pair of source-drain electrodes electrically connected to the semiconductor layer; and a contact layer provided in a moving path of carriers between each of the pair of source-drain electrodes and the semiconductor layer, the contact layer having end surfaces covered with the source-drain electrode.Type: GrantFiled: November 16, 2012Date of Patent: March 17, 2015Assignee: Sony CorporationInventors: Shinichi Ushikura, Akihiro Nomoto, Ryouichi Yasuda, Akira Yumoto, Nobuhide Yoneya, Shimpei Tsujikawa
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Publication number: 20150054813Abstract: An active-matrix display device employs current-programmed-type pixel circuits and performs the writing data to each of pixels on a line-by-line basis. The active-matrix display device having a matrix of current-programmed-type pixel circuits includes a data line driving circuit 15 formed of m current driving circuits (CD) 15-1 to 15-m arranged corresponding to respective data lines 13-1 to 13-m. The data line driving circuit (CD) 15-1 to 15-m holds image data (luminance data herein) in the form of voltage, and then converts the voltage of the image data into a current signal. The current signal is then fed to the data lines 13-1 to 13-m at a time The image information is thus written on the pixel circuits 11.Type: ApplicationFiled: July 22, 2014Publication date: February 26, 2015Inventor: Akira Yumoto
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Publication number: 20140320384Abstract: Herein disclosed an image display including: row scan lines configured to supply a control signal; column signal lines configured to supply a video signal; and pixel circuits configured to be disposed at intersections between the scan lines and the signal lines, wherein each of the pixel circuits has at least a drive transistor, a sampling transistor connected to a gate of the drive transistor, a capacitive part connected between the gate and a source of the drive transistor, and a light-emitting element connected to the source of the drive transistor.Type: ApplicationFiled: July 14, 2014Publication date: October 30, 2014Applicant: SONY CORPORATIONInventor: Akira Yumoto
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Publication number: 20140285408Abstract: Herein disclosed an image display including: row scan lines configured to supply a control signal; column signal lines configured to supply a video signal; and pixel circuits configured to be disposed at intersections between the scan lines and the signal lines, wherein each of the pixel circuits has at least a drive transistor, a sampling transistor connected to a gate of the drive transistor, a capacitive part connected between the gate and a source of the drive transistor, and a light-emitting element connected to the source of the drive transistor.Type: ApplicationFiled: June 4, 2014Publication date: September 25, 2014Applicant: SONY CORPORATIONInventor: Akira Yumoto
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Patent number: 8810486Abstract: An active-matrix display device employs current-programmed-type pixel circuits and performs the writing data to each of pixels on a line-by-line basis. The active-matrix display device having a matrix of current-programmed-type pixel circuits includes a data line driving circuit 15 formed of m current driving circuits (CD) 15-1 to 15-m arranged-corresponding to respective data lines 13-1 to 13-m. The data line driving circuit (CD) 15-1 to 15-m holds image data (luminance data herein) in the form of voltage, and then converts the voltage of the image data into a current signal. The current signal is then fed to the data lines 13-1 to 13-m at a time. The image information is thus written on the pixel circuits 11.Type: GrantFiled: August 13, 2013Date of Patent: August 19, 2014Assignee: Sony CorporationInventor: Akira Yumoto
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Patent number: 8766266Abstract: A semiconductor substrate includes: a thin-film transistor including an organic semiconductor layer; and a light absorption-transmission layer provided in a pathway that leads external light to the organic semiconductor layer. The light absorption-transmission layer absorbs light of a wavelength range that includes at least a part of a light absorption wavelength range of the organic semiconductor layer, and allows light of a remaining wavelength range to pass therethrough.Type: GrantFiled: August 16, 2012Date of Patent: July 1, 2014Assignee: Sony CorporationInventors: Mao Katsuhara, Akira Yumoto
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Publication number: 20140055441Abstract: An active-matrix display device employs current-programmed-type pixel circuits and performs the writing data to each of pixels on a line-by-line basis. The active-matrix display device having a matrix of current-programmed-type pixel circuits includes a data line driving circuit 15 formed of m current driving circuits (CD) 15-1 to 15-m arranged-corresponding to respective data lines 13-1 to 13-m. The data line driving circuit (CD) 15-1 to 15-m holds image data (luminance data herein) in the form of voltage, and then converts the voltage of the image data into a current signal. The current signal is then fed to the data lines 13-1 to 13-m at a time. The image information is thus written on the pixel circuits 11.Type: ApplicationFiled: August 13, 2013Publication date: February 27, 2014Applicant: Sony CorporationInventor: Akira Yumoto
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Publication number: 20140035890Abstract: A display device includes: a display unit that includes a plurality of pixels and a plurality of scanning signal lines delivering scanning pulses to the plurality of pixels; and a scanning unit that includes a first switch provided in association with each of the plurality of scanning signal lines and selectively extracting the scanning pulse from one of a plurality of scanning pulse signals including the plurality of scanning pulses.Type: ApplicationFiled: July 10, 2013Publication date: February 6, 2014Inventors: Seiichiro Jinta, Akira Yumoto, Takahiro Seki
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Publication number: 20140035974Abstract: A display unit that drives pixels field sequentially includes pixel circuits disposed in a matrix form of rows and columns and a drive control section that causes the pixel circuits to display image frames of input image data such that a single frame of the image frames is displayed in two parts as a first sub-frame and as a second sub-frame. The first and second sub-frames are displayed field sequentially by different portions of the pixel circuits. The first sub-frame is displayed by a first portion of the pixel circuits that are located in a checked pattern, while the second sub-frame is displayed by the remaining pixel circuits.Type: ApplicationFiled: July 3, 2013Publication date: February 6, 2014Inventors: Seiichiro Jinta, Akira Yumoto, Takahiro Seki
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Publication number: 20130277650Abstract: An electronic apparatus (for example a display unit) including an active region (for example a display region) and a peripheral region. In the active region are disposed: active units (for example pixel circuit), a first wiring line connected to an active unit, a second wiring line connected to an active unit, and a third wiring line disposed in a different layer than the second wiring line and connected to the second wiring line. The first wiring line and the third wiring line extend out of the active region into the peripheral region, and exit the display region on a same side of the display region. A first peripheral circuit for communicating with the first wiring line and a second peripheral circuit for communicating with the second wiring line are disposed in the peripheral region, and the third wiring line is connected to the second peripheral circuit.Type: ApplicationFiled: March 26, 2013Publication date: October 24, 2013Applicant: SONY CORPORATIONInventors: Nobuhide Yoneya, Akira Yumoto, Ryouichi Yasuda
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Patent number: 8558769Abstract: An active-matrix display device employs current-programmed-type pixel circuits and performs the writing data to each of pixels on a line-by-line basis. The active-matrix display device having a matrix of current-programmed-type pixel circuits includes a data line driving circuit 15 formed of m current driving circuits (CD) 15-1 to 15-m arranged corresponding to respective data lines 13-1 to 13-m. The data line driving circuit (CD) 15-1 to 15-m holds image data (luminance data herein) in the form of voltage, and then converts the voltage of the image data into a current signal. The current signal is then fed to the data lines 13-1 to 13-m at a time. The image information is thus written on the pixel circuits 11.Type: GrantFiled: February 10, 2012Date of Patent: October 15, 2013Assignee: Sony CorporationInventor: Akira Yumoto
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Publication number: 20130249385Abstract: A display device including: a substrate with a display area having a plurality of organic EL devices and a peripheral area having a driving circuit for the organic EL devices and surrounding the display area on the substrate; an organic insulating film covering at least the driving circuit; and a groove in the organic insulating film along a line between the display area and the peripheral area, an inorganic but not an not the organic insulating film being present in an outermost portion of the peripheral area spaced apart from the groove.Type: ApplicationFiled: March 18, 2013Publication date: September 26, 2013Applicant: SONY CORPORATIONInventors: HIROSHI FUJIMURA, MASUMITSU INO, MITSURU ASANO, AKIRA YUMOTO, YUICHI IWASE
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Patent number: 8421349Abstract: In a display device including, a display area having a plurality of organic EL devices on a substrate; a peripheral area having a driving circuit for the organic EL devices and surrounding the display area on the substrate; and an organic insulating film covering at least the driving circuit, the organic insulating film has a separating groove which divides itself into the inner part and outer part at the periphery of the display area.Type: GrantFiled: November 17, 2011Date of Patent: April 16, 2013Assignee: Sony CorporationInventors: Hiroshi Fujimura, Masumitsu Ino, Mitsuru Asano, Akira Yumoto, Yuichi Iwase
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Publication number: 20130088524Abstract: An active-matrix display device employs current-programmed-type pixel circuits and performs the writing data to each of pixels on a line-by-line basis. The active-matrix display device having a matrix of current-programmed-type pixel circuits includes a data line driving circuit 15 formed of m current driving circuits (CD) 15-1 to 15-m arranged corresponding to respective data lines 13-1 to 13-m. The data line driving circuit (CD) 15-1 to 15-m holds image data (luminance data herein) in the form of voltage, and then converts the voltage of the image data into a current signal. The current signal is then fed to the data lines 13-1 to 13-m at a time. The image information is thus written on the pixel circuits 11.Type: ApplicationFiled: February 10, 2012Publication date: April 11, 2013Inventor: Akira YUMOTO
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Publication number: 20130048993Abstract: A semiconductor substrate includes: a thin-film transistor including an organic semiconductor layer; and a light absorption-transmission layer provided in a pathway that leads external light to the organic semiconductor layer. The light absorption-transmission layer absorbs light of a wavelength range that includes at least a part of a light absorption wavelength range of the organic semiconductor layer, and allows light of a remaining wavelength range to pass therethrough.Type: ApplicationFiled: August 16, 2012Publication date: February 28, 2013Applicant: SONY CORPORATIONInventors: Mao Katsuhara, Akira Yumoto
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Patent number: 8350255Abstract: A method for manufacturing a thin film transistor includes the steps of covering a gate electrode patterned on a substrate with a gate insulating film, forming an organic semiconductor layer and an electrode film on the gate insulating film in that lamination order, and forming a negative type photoresist film on the substrate provided with the organic semiconductor layer and the electrode film and forming a resist pattern, which serves as a mask for forming a source-drain by etching the electrode film, through back surface exposure from the substrate side by using the gate electrode as a light-shielding mask and the following development treatment.Type: GrantFiled: April 9, 2010Date of Patent: January 8, 2013Assignee: Sony CorporationInventors: Kazumasa Nomoto, Mao Katsuhara, Akira Yumoto
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Patent number: 8198074Abstract: A reaction device including: a plurality of reaction areas; and a plurality of heating parts configured to be each provided for a respective one of the reaction areas, wherein each of the heating parts includes: a heat source; a scan line for selecting the heating part; a data line that transmits heating amount information used for heating to the heat source; a writer that acquires the heating amount information transmitted from the data line; a holder that stores the heating amount information also after the scan line is turned to a non-selected state; and a heat generation controller that controls heat generation of the heat source based on the heating amount information.Type: GrantFiled: June 25, 2008Date of Patent: June 12, 2012Assignee: Sony CorporationInventors: Toshiki Moriwaki, Akira Yumoto
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Publication number: 20120062107Abstract: In a display device including, a display area having a plurality of organic EL devices on a substrate; a peripheral area having a driving circuit for the organic EL devices and surrounding the display area on the substrate; and an organic insulating film covering at least the driving circuit, the organic insulating film has a separating groove which divides itself into the inner part and outer part at the periphery of the display area.Type: ApplicationFiled: November 17, 2011Publication date: March 15, 2012Applicant: Sony CorporationInventors: Hiroshi Fujimura, Masumitsu Ino, Mitsuru Asano, Akira Yumoto, Yuichi Iwase