Patents by Inventor Yukihito Iida
Yukihito Iida 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: 20240029653Abstract: Disclosed herein is a display device including: a pixel array portion; a drive portion; and a power source wiring; the pixel array portion, at least a part of the drive portion configured to drive the pixel array portion and the power source wiring are forming a panel, the pixel array portion including scanning lines disposed in rows, signal lines disposed in columns, and pixels disposed in matrix in portions where the scanning lines and the signal lines cross each other, respectively, the drive portion including a scanner portion configured to drive the pixels in a line-sequential manner through the scanning lines, and a signal portion configured to supply a video signal to each of the signal lines in correspondence to the line-sequential drive, so that an image is displayed on the pixel array portion.Type: ApplicationFiled: July 11, 2023Publication date: January 25, 2024Inventors: Tetsuo Minami, Yukihito Iida, Katsuhide Uchino
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Publication number: 20230395617Abstract: There is provided a solid-state imaging device capable of preventing the sensitivity difference from being generated between the pixels. The fixed imaging device of the present disclosure includes: a first pixel; and a second pixel located in a first direction of the first pixel, in which each of the first and second pixels includes a first transistor and a second transistor, and the first and second transistors in the second pixel are disposed periodically in the first direction with respect to the first and second transistors in the first pixel.Type: ApplicationFiled: October 19, 2021Publication date: December 7, 2023Applicant: SONY SEMICONDUCTOR SOLUTIONS CORPORATIONInventors: Mikinori ITO, Natsuko OOTANI, Yutaro KOMURO, Akira OKADA, Yuhei AOTANI, Yuichi YAMAGUCHI, Tsubasa SAKAKI, Masumi ABE, Kodai KANEYASU, Yuta NOGUCHI, Kazuki TAKAHASHI, Hirofumi YAMADA, Kohei YAMASHINA, Ryosuke TAKAHASHI, Yoshiki SAITO, Yusuke KIKUCHI, Yukihito IIDA, Kenichi OBATA, Ryuichi ITOH, Yuki UEMURA
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Patent number: 11727870Abstract: Disclosed herein is a display device including: a pixel array portion; a drive portion; and a power source wiring; the pixel array portion, at least a part of the drive portion configured to drive the pixel array portion and the power source wiring are forming a panel, the pixel array portion including scanning lines disposed in rows, signal lines disposed in columns, and pixels disposed in matrix in portions where the scanning lines and the signal lines cross each other, respectively, the drive portion including a scanner portion configured to drive the pixels in a line-sequential manner through the scanning lines, and a signal portion configured to supply a video signal to each of the signal lines in correspondence to the line-sequential drive, so that an image is displayed on the pixel array portion.Type: GrantFiled: May 7, 2021Date of Patent: August 15, 2023Assignee: Sony Group CorporationInventors: Tetsuo Minami, Yukihito Iida, Katsuhide Uchino
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Publication number: 20220140462Abstract: A directional coupler is provided that includes a primary line that transmits signals from a first terminal to a second terminal; a secondary line that gets coupled with the primary line and draws some of the signals into a third terminal; a first switching unit that switches the connection destination of the third terminal between one end of the secondary line and the other end thereof; a first impedance regulating unit that is installed in between one end of the secondary line and the ground, and that changes the impedance according to the frequency of the signals; a second impedance regulating unit that is installed in between the other end of the secondary line and the ground, and changes the impedance according to the frequency of the signals; and a resonance circuit that is installed in between the first switching unit and the third terminal, and that changes the impedance of the third terminal according to the frequency of the signals.Type: ApplicationFiled: February 17, 2020Publication date: May 5, 2022Inventors: Yoshiki SUGAWARA, Yukihito IIDA, Satoshi SUDA
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Publication number: 20210264855Abstract: Disclosed herein is a display device including: a pixel array portion; a drive portion; and a power source wiring; the pixel array portion, at least a part of the drive portion configured to drive the pixel array portion and the power source wiring are forming a panel, the pixel array portion including scanning lines disposed in rows, signal lines disposed in columns, and pixels disposed in matrix in portions where the scanning lines and the signal lines cross each other, respectively, the drive portion including a scanner portion configured to drive the pixels in a line-sequential manner through the scanning lines, and a signal portion configured to supply a video signal to each of the signal lines in correspondence to the line-sequential drive, so that an image is displayed on the pixel array portion.Type: ApplicationFiled: May 7, 2021Publication date: August 26, 2021Inventors: Tetsuo Minami, Yukihito Iida, Katsuhide Uchino
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Patent number: 11004390Abstract: A display panel including pixels disposed on a substrate, where each of the pixels includes a light emitting element, and a capacitor. The capacitor of a first one of the pixels is partially overlapped, in a vertical direction, by respective pixel areas of two of the pixels. The anode of the capacitor of the first one of the pixels may be disposed closer to the substrate than a cathode of the capacitor, thereby reducing a parasitic capacitance between the capacitor and an anode of the light emitting element of one of the two pixels overlapping the capacitor.Type: GrantFiled: February 27, 2020Date of Patent: May 11, 2021Assignee: Sony CorporationInventors: Mitsuru Asano, Yukihito Iida
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Patent number: 10872560Abstract: A display device including: a pixel array section; power supply lines; and auxiliary electrodes, wherein each pixel has an auxiliary capacitance, and one of electrodes of the auxiliary capacitance is connected to the source electrode of the drive transistor, and another electrode is connected to the auxiliary electrode for the pixel.Type: GrantFiled: April 19, 2018Date of Patent: December 22, 2020Assignee: Sony CorporationInventors: Yukihito Iida, Tetsuo Minami, Takao Tanikame, Katsuhide Uchino
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Patent number: 10707291Abstract: The present invention relates to an image display device and a method for repairing a short circuit failure. The present invention is applicable to, for example, an active matrix type image display device using an organic EL device, and a short circuit location between wiring patterns is able to be repaired. In a scanning line WSL or a signal line DTL, a bypass wiring pattern BP for bypassing a region where the signal line DTL and the scanning line WSL intersect with each other is provided. By using the bypass wiring pattern BP, a short circuit location between wiring patterns is repaired.Type: GrantFiled: March 25, 2019Date of Patent: July 7, 2020Assignee: Sony CorporationInventors: Yukihito Iida, Takayuki Taneda, Katsuhide Uchino
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Publication number: 20200202780Abstract: A display panel including pixels disposed on a substrate, where each of the pixels includes a light emitting element, and a capacitor. The capacitor of a first one of the pixels is partially overlapped, in a vertical direction, by respective pixel areas of two of the pixels. The anode of the capacitor of the first one of the pixels may be disposed closer to the substrate than a cathode of the capacitor, thereby reducing a parasitic capacitance between the capacitor and an anode of the light emitting element of one of the two pixels overlapping the capacitor.Type: ApplicationFiled: February 27, 2020Publication date: June 25, 2020Inventors: Mitsuru Asano, Yukihito Iida
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Patent number: 10607541Abstract: A display panel including pixels disposed on a substrate, where each of the pixels includes a light emitting element, and a capacitor. The capacitor of a first one of the pixels is partially overlapped, in a vertical direction, by respective pixel areas of two of the pixels. The anode of the capacitor of the first one of the pixels may be disposed closer to the substrate than a cathode of the capacitor, thereby reducing a parasitic capacitance between the capacitor and an anode of the light emitting element of one of the two pixels overlapping the capacitor.Type: GrantFiled: June 11, 2018Date of Patent: March 31, 2020Assignee: Sony CorporationInventors: Mitsuru Asano, Yukihito Iida
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Patent number: 10586492Abstract: A pixel circuit includes a switching transistor whose conduction is controlled by a drive signal supplied to the control terminal, a drive wiring adapted to propagate the drive signal, and a data wiring adapted to propagate a data signal. A multi-layered wiring structure is used so that a second wiring layer is formed on a layer different from that on which a first wiring layer is formed.Type: GrantFiled: April 6, 2018Date of Patent: March 10, 2020Assignee: Sony CorporationInventors: Tetsuo Minami, Yukihito Iida, Katsuhide Uchino
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Patent number: 10559636Abstract: The display device including a pixel circuit has a first line, a transistor, a light emitting element, and a second line. The transistor is located between the second line and an electrode of the light emitting element. Either the first line or the second line is wired in a region that overlaps a light emitting region of the light emitting element in a lamination direction of layers. The second line intersects the first line outside of the light emitting region and overlaps a non-light emitting region of the light emitting element.Type: GrantFiled: October 17, 2018Date of Patent: February 11, 2020Assignee: Sony CorporationInventors: Yukihito Iida, Akitsuna Takagi, Katsuhide Uchino
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Patent number: 10431645Abstract: A display device including a pixel array unit having a matrix of pixels each configured such that an anode electrode of an organic electroluminescent element is connected to a source electrode of a drive transistor, a gate electrode of the drive transistor is connected to a source or drain electrode of a writing transistor, and a storage capacitor is connected between the gate and source electrodes of the drive transistor, scanning lines and power supply lines for individual pixel rows, and signal lines for individual pixel columns. A video signal reference potential is supplied to the signal lines for a period during which a scanning signal is supplied to the scanning lines during driving of pixels in a preceding row. During threshold correction for the drive transistor in a current pixel, the video signal reference potential and a potential of the cathode electrode of the organic electroluminescent element are equal.Type: GrantFiled: November 29, 2018Date of Patent: October 1, 2019Assignee: SONY CORPORATIONInventors: Yukihito Iida, Mitsuru Asano, Katsuhide Uchino
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Publication number: 20190221635Abstract: The present invention relates to an image display device and a method for repairing a short circuit failure. The present invention is applicable to, for example, an active matrix type image display device using an organic EL device, and a short circuit location between wiring patterns is able to be repaired. In a scanning line WSL or a signal line DTL, a bypass wiring pattern BP for bypassing a region where the signal line DTL and the scanning line WSL intersect with each other is provided. By using the bypass wiring pattern BP, a short circuit location between wiring patterns is repaired.Type: ApplicationFiled: March 25, 2019Publication date: July 18, 2019Inventors: Yukihito Iida, Takayuki Taneda, Katsuhide Uchino
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Patent number: 10276645Abstract: The present invention relates to an image display device and a method for repairing a short circuit failure. The present invention is applicable to, for example, an active matrix type image display device using an organic EL device, and a short circuit location between wiring patterns is able to be repaired. In a scanning line WSL or a signal line DTL, a bypass wiring pattern BP for bypassing a region where the signal line DTL and the scanning line WSL intersect with each other is provided. By using the bypass wiring pattern BP, a short circuit location between wiring patterns is repaired.Type: GrantFiled: September 1, 2016Date of Patent: April 30, 2019Assignee: Sony CorporationInventors: Yukihito Iida, Takayuki Taneda, Katsuhide Uchino
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Publication number: 20190109183Abstract: A display device including a pixel array unit having a matrix of pixels each configured such that an anode electrode of an organic electroluminescent element is connected to a source electrode of a drive transistor, a gate electrode of the drive transistor is connected to a source or drain electrode of a writing transistor, and a storage capacitor is connected between the gate and source electrodes of the drive transistor, scanning lines and power supply lines for individual pixel rows, and signal lines for individual pixel columns. A video signal reference potential is supplied to the signal lines for a period during which a scanning signal is supplied to the scanning lines during driving of pixels in a preceding row. During threshold correction for the drive transistor in a current pixel, the video signal reference potential and a potential of the cathode electrode of the organic electroluminescent element are equal.Type: ApplicationFiled: November 29, 2018Publication date: April 11, 2019Applicant: Sony CorporationInventors: Yukihito Iida, Mitsuru Asano, Katsuhide Uchino
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Publication number: 20190058023Abstract: The display device including a pixel circuit has a first line, a transistor, a light emitting element, and a second line. The transistor is located between the second line and an electrode of the light emitting element. Either the first line or the second line is wired in a region that overlaps a light emitting region of the light emitting element in a lamination direction of layers. The second line intersects the first line outside of the light emitting region and overlaps a non-light emitting region of the light emitting element.Type: ApplicationFiled: October 17, 2018Publication date: February 21, 2019Inventors: Yukihito Iida, Akitsuna Takagi, Katsuhide Uchino
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Patent number: 10170533Abstract: A display device including a pixel array unit having a matrix of pixels each configured such that an anode electrode of an organic electroluminescent element is connected to a source electrode of a drive transistor, a gate electrode of the drive transistor is connected to a source or drain electrode of a writing transistor, and a storage capacitor is connected between the gate and source electrodes of the drive transistor, scanning lines and power supply lines for individual pixel rows, and signal lines for individual pixel columns. A video signal reference potential is supplied to the signal lines for a period during which a scanning signal is supplied to the scanning lines during driving of pixels in a preceding row. During threshold correction for the drive transistor in a current pixel, the video signal reference potential and a potential of the cathode electrode of the organic electroluminescent element are equal.Type: GrantFiled: November 10, 2017Date of Patent: January 1, 2019Assignee: SONY CORPORATIONInventors: Yukihito Iida, Mitsuru Asano, Katsuhide Uchino
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Patent number: 10147355Abstract: A pixel circuit includes a switching transistor whose conduction is controlled by a drive signal supplied to the control terminal, a drive wiring adapted to propagate the drive signal, and a data wiring adapted to propagate a data signal. A multi-layered wiring structure is used so that a second wiring layer is formed on a layer different from that on which a first wiring layer is formed.Type: GrantFiled: October 27, 2016Date of Patent: December 4, 2018Assignee: Sony CorporationInventors: Tetsuo Minami, Yukihito Iida, Katsuhide Uchino
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Patent number: 10121836Abstract: The display device including a pixel circuit has a first line, a transistor, a light emitting element, and a second line. The transistor is located between the second line and an electrode of the light emitting element. Either the first line or the second line is wired in a region that overlaps a light emitting region of the light emitting element in a lamination direction of layers. The second line intersects the first line outside of the light emitting region and overlaps a non-light emitting region of the light emitting element.Type: GrantFiled: August 3, 2017Date of Patent: November 6, 2018Assignee: Sony CorporationInventors: Yukihito Iida, Akitsuna Takagi, Katsuhide Uchino