Patents by Inventor Yusuke Oike

Yusuke Oike 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).

  • Publication number: 20140015012
    Abstract: A solid state imaging device including multiple unit pixels including a photoelectric converter generating electrical charge in accordance with incident light quantity and accumulating the charge, a first transfer gate transferring the accumulated charge, a charge holding region holding the transferred charge, a second transfer gate transferring the held charge, and a floating diffusion region converting the transferred charge into voltage; an intermediate charge transfer unit transferring, to the charge holding region, a charge exceeding a predetermined charge amount as a first signal charge; and a pixel driving unit setting the first transfer gate to a non-conducting state, set the second transfer gate to a conducting state, transfer the first signal charge to the floating diffusion region, set the second transfer gate to a non-conducting state, set the first transfer gate to a conducting state, and transfer the accumulated charge to the charge holding region as a second signal charge.
    Type: Application
    Filed: September 16, 2013
    Publication date: January 16, 2014
    Applicant: Sony Corporation
    Inventor: Yusuke Oike
  • Publication number: 20140009656
    Abstract: A solid-state imaging device includes a pixel array section including a plurality of pixels, a pixel drive line controlling driving the pixels in each row, a signal line reading an analog signal of the pixels in each column, a pixel drive unit driving the pixels to perform a readout through the pixel drive line, and a readout circuit capable of converting the analog signal into a digital signal. At least the number of pixel drive lines or the number of signal lines is more than one, and the pixels of each pixel group are connected to different lines of either the pixel drive lines or the signal lines. The pixel drive unit sequentially drives the pixels in the pixel group at shifted timings, and the readout circuit includes an analog-to-digital converter sequentially receiving analog signals from the pixel group and sequentially converting the analog signals into digital signals.
    Type: Application
    Filed: September 13, 2013
    Publication date: January 9, 2014
    Applicant: Sony Corporation
    Inventors: Yusuke Oike, Masaki Sakakibara, Tadayuki Taura
  • Patent number: 8576317
    Abstract: Disclosed herein is a solid-state image pickup apparatus, including a pixel array section in which a unit pixel including a photoelectric conversion section and a charge detection section for detecting charge generated by photoelectric conversion by the photoelectric conversion section is disposed; a driving section adapted to carry out driving of reading out a signal of the unit pixel divisionally by twice as a first signal and a second signal; and a signal processing section adapted to set the first signal read out first from the unit pixel as a reference voltage for a processable input voltage range of the signal processing section, adjust the reference voltage so that the first and second signals may be included in the input voltage range and carry out signal processing for the first and second signals using the adjusted reference voltage.
    Type: Grant
    Filed: March 21, 2011
    Date of Patent: November 5, 2013
    Assignee: Sony Corporation
    Inventors: Masaki Sakakibara, Tadayuki Taura, Yusuke Oike, Takafumi Takatsuka, Akihiko Kato
  • Patent number: 8570410
    Abstract: A solid state imaging device includes: multiple unit pixels including a photoelectric converter generating electrical charge in accordance with incident light quantity and accumulating the charge, a first transfer gate transferring the accumulated charge, a charge holding region holding the transferred charge, a second transfer gate transferring the held charge, and a floating diffusion region converting the transferred charge into voltage; an intermediate charge transfer unit transferring, to the charge holding region, a charge exceeding a predetermined charge amount as a first signal charge; and a pixel driving unit setting the first transfer gate to a non-conducting state, set the second transfer gate to a conducting state, transfer the first signal charge to the floating diffusion region, set the second transfer gate to a non-conducting state, set the first transfer gate to a conducting state, and transfer the accumulated charge to the charge holding region as a second signal charge.
    Type: Grant
    Filed: September 5, 2012
    Date of Patent: October 29, 2013
    Assignee: Sony Corporation
    Inventor: Yusuke Oike
  • Patent number: 8570417
    Abstract: A solid-state imaging device includes a pixel array section including a plurality of pixels, a pixel drive line controlling driving the pixels in each row, a signal line reading an analog signal of the pixels in each column, a pixel drive unit driving the pixels to perform a readout through the pixel drive line, and a readout circuit capable of converting the analog signal into a digital signal. At least the number of pixel drive lines or the number of signal lines is more than one, and the pixels of each pixel group are connected to different lines of either the pixel drive lines or the signal lines. The pixel drive unit sequentially drives the pixels in the pixel group at shifted timings, and the readout circuit includes an analog-to-digital converter sequentially receiving analog signals from the pixel group and sequentially converting the analog signals into digital signals.
    Type: Grant
    Filed: March 25, 2010
    Date of Patent: October 29, 2013
    Assignee: Sony Corporation
    Inventors: Yusuke Oike, Masaki Sakakibara, Tadayuki Taura
  • Patent number: 8493489
    Abstract: Disclosed herein is a solid-state imaging device, including: a pixel array unit configured to be formed by two-dimensionally arranging unit pixels each having a photoelectric converter, a charge-voltage converter, a reset transistor to set the charge-voltage converter to a predetermined potential, and an amplification transistor to read out a signal converted by the charge-voltage converter; a signal processor configured to process a signal output from the unit pixel by using a reference voltage; and a setter configured to set a reset level obtained from a second unit pixel from which a signal level has been already read out as the reference voltage of the signal processor before readout of a signal level based on a signal charge accumulated or retained in the charge-voltage converter from a first unit pixel.
    Type: Grant
    Filed: March 21, 2011
    Date of Patent: July 23, 2013
    Assignee: Sony Corporation
    Inventors: Yusuke Oike, Akihiko Kato, Takafumi Takatsuka, Masaki Sakakibara
  • Patent number: 8482645
    Abstract: Disclosed herein is a solid-state imaging device employing a plurality of unit pixels each having an opto-electric conversion section configured to convert incident light into electric charge and an electric-charge holding section configured to hold a signal voltage representing the electric charge produced by the opto-electric conversion section, the solid-state imaging device further including a read section and a control section.
    Type: Grant
    Filed: March 22, 2011
    Date of Patent: July 9, 2013
    Assignee: Sony Corporation
    Inventors: Takafumi Takatsuka, Akihiko Kato, Yusuke Oike, Masaki Sakakibara
  • Patent number: 8466995
    Abstract: A solid-state imaging device includes: a pixel section in which pixels performing photoelectric conversion are arranged in a matrix shape; and a pixel signal reading section that has an AD conversion section which reads pixel signals through pixel units from the pixel section and performs analog digital (AD) conversion. The pixel signal reading section includes comparators each of which compares a reference signal, which is a ramp wave, with read analog signal potentials of pixels in a corresponding column, counter latches each of which is disposed to correspond to each of the comparators, is able to count a comparison time of the corresponding comparator, stops the count when an output of the corresponding comparator is inverted, and retains a corresponding count value, and an adjustment section that performs offset adjustment on the reference signal for each row on which the AD conversion is performed.
    Type: Grant
    Filed: June 29, 2011
    Date of Patent: June 18, 2013
    Assignee: Sony Corporation
    Inventors: Fumitsugu Suzuki, Yusuke Oike
  • Patent number: 8456546
    Abstract: A solid-state imaging device includes a pixel array unit in which unit pixels are arranged in a matrix shape and a signal processing circuit that obtains a first video signal and performs processing for combining the first and second video signals. The signal processing circuit includes judging means that judges whether a pixel of interest in the pixel array unit is a pixel to be saturated during an exposure period, calculating means that sets the pixel of interest as a correction pixel and calculates a correction amount on the basis of a luminance value of the second video signal of a peripheral pixel of the correction pixel, and correcting means that applies the correction amount to a luminance value of the first video signal of the correction pixel to thereby correct a noise signal amount due to photo-charges leaking from the peripheral pixel into the correction pixel.
    Type: Grant
    Filed: June 29, 2012
    Date of Patent: June 4, 2013
    Assignee: Sony Corporation
    Inventor: Yusuke Oike
  • Patent number: 8411183
    Abstract: A solid-state imaging device includes: a CMOS image sensor including a plurality of pixels disposed in an array and each including a light reception element, a discharging unit, a charge accumulation section, a transfer unit, a reset unit, an amplification unit, and a selection unit; and a control unit adapted to generate a selection pulse for rendering the selection unit operative to control operation of the CMOS image sensor.
    Type: Grant
    Filed: March 22, 2011
    Date of Patent: April 2, 2013
    Assignee: Sony Corporation
    Inventors: Akihiko Kato, Yusuke Oike
  • Publication number: 20130002917
    Abstract: A solid-state image capturing apparatus including: a pixel array unit including two-dimensionally arranged pixels each including a photoelectric conversion unit, a transfer transistor that transfers charges accumulated in the photoelectric conversion unit, and a charge discharging transistor that selectively discharges the charges accumulated in the photoelectric conversion unit; and a driving unit that performs driving for reading signals from each pixel of the pixel array unit, and drives the charge discharging transistor by using a signal for the driving.
    Type: Application
    Filed: September 11, 2012
    Publication date: January 3, 2013
    Applicant: SONY CORPORATION
    Inventor: Yusuke Oike
  • Publication number: 20120327278
    Abstract: A solid state imaging device includes: multiple unit pixels including a photoelectric converter generating electrical charge in accordance with incident light quantity and accumulating the charge, a first transfer gate transferring the accumulated charge, a charge holding region holding the transferred charge, a second transfer gate transferring the held charge, and a floating diffusion region converting the transferred charge into voltage; an intermediate charge transfer unit transferring, to the charge holding region, a charge exceeding a predetermined charge amount as a first signal charge; and a pixel driving unit setting the first transfer gate to a non-conducting state, set the second transfer gate to a conducting state, transfer the first signal charge to the floating diffusion region, set the second transfer gate to a non-conducting state, set the first transfer gate to a conducting state, and transfer the accumulated charge to the charge holding region as a second signal charge.
    Type: Application
    Filed: September 5, 2012
    Publication date: December 27, 2012
    Applicant: SONY CORPORATION
    Inventor: Yusuke Oike
  • Patent number: 8330841
    Abstract: A solid-state image capturing apparatus includes: a pixel array unit including two-dimensionally arranged pixels each including a photoelectric conversion unit, a transfer transistor that transfers charges accumulated in the photoelectric conversion unit, and a charge discharging transistor that selectively discharges the charges accumulated in the photoelectric conversion unit; and a driving unit that performs driving for reading signals from each pixel of the pixel array unit, and drives the charge discharging transistor by using a signal for the driving.
    Type: Grant
    Filed: January 20, 2010
    Date of Patent: December 11, 2012
    Assignee: Sony Corporation
    Inventor: Yusuke Oike
  • Patent number: 8310580
    Abstract: A solid-state imaging device includes: a pixel unit in which plural pixels that perform photoelectric conversion are arrayed in a matrix shape; and a pixel-signal readout unit that performs readout of pixel signals from the pixel unit in a unit of plural pixels, the pixel-signal readout unit including an AD conversion unit that performs analog-digital (AD) conversion, wherein the pixel-signal readout unit includes plural comparators that compare a reference signal as a ramp wave and readout analog signal potentials of the pixels in rows in which the comparators are provided, plural counter latches that are arranged to correspond to the plural comparators and capable of counting comparison times of the comparators corresponding thereto, stop the count when outputs of the comparators are inverted, and store values of the count, and an adjusting unit that performs offset adjustment for the reference signal every time the AD conversion is performed.
    Type: Grant
    Filed: June 23, 2010
    Date of Patent: November 13, 2012
    Assignee: Sony Corporation
    Inventors: Fumitsugu Suzuki, Yusuke Oike
  • Publication number: 20120268627
    Abstract: A solid-state imaging device includes a pixel array unit in which unit pixels are arranged in a matrix shape and a signal processing circuit that obtains a first video signal and performs processing for combining the first and second video signals. The signal processing circuit includes judging means that judges whether a pixel of interest in the pixel array unit is a pixel to be saturated during an exposure period, calculating means that sets the pixel of interest as a correction pixel and calculates a correction amount on the basis of a luminance value of the second video signal of a peripheral pixel of the correction pixel, and correcting means that applies the correction amount to a luminance value of the first video signal of the correction pixel to thereby correct a noise signal amount due to photo-charges leaking from the peripheral pixel into the correction pixel.
    Type: Application
    Filed: June 29, 2012
    Publication date: October 25, 2012
    Applicant: SONY CORPORATION
    Inventor: Yusuke OIKE
  • Patent number: 8294801
    Abstract: A solid-state imaging device includes: a pixel array unit having arranged unit pixels, each having a charge generator generating signal charges, and a signal output unit having a charge transfer unit, and generating and outputting a processing-target signal corresponding to the signal charges; a driving controller driving the unit pixels, the driving controller sequentially driving the charge transfer unit; and a transfer driving voltage setting unit setting, on the basis of a pixel signal based on a saturated charge amount of the charge generator and a pixel signal based on an intermediate voltage retained charge amount retained in the charge generator after intermediate transfer in which charge transfer is performed at a level between a complete transfer level and an off level, the level of the intermediate voltage such that an actual intermediate voltage retained charge amount becomes the expectation value of the intermediate voltage retained charge amount.
    Type: Grant
    Filed: October 23, 2009
    Date of Patent: October 23, 2012
    Assignee: Sony Corporation
    Inventors: Yoshiaki Ito, Yusuke Oike
  • Patent number: 8284282
    Abstract: A solid state imaging device includes: multiple unit pixels including a photoelectric converter generating electrical charge in accordance with incident light quantity and accumulating the charge, a first transfer gate transferring the accumulated charge, a charge holding region holding the transferred charge, a second transfer gate transferring the held charge, and a floating diffusion region converting the transferred charge into voltage; an intermediate charge transfer unit transferring, to the charge holding region, a charge exceeding a predetermined charge amount as a first signal charge; and a pixel driving unit setting the first transfer gate to a non-conducting state, set the second transfer gate to a conducting state, transfer the first signal charge to the floating diffusion region, set the second transfer gate to a non-conducting state, set the first transfer gate to a conducting state, and transfer the accumulated charge to the charge holding region as a second signal charge.
    Type: Grant
    Filed: March 26, 2009
    Date of Patent: October 9, 2012
    Assignee: Sony Corporation
    Inventor: Yusuke Oike
  • Patent number: 8222709
    Abstract: A solid-state imaging device includes a pixel array area in which an unit pixel including a photoelectric conversion element converting optical signals to signal charges and a transfer gate transferring the signal charges which have been photoelectrically converted in the photoelectric conversion element is two-dimensionally arranged in a matrix form, a supply voltage control means for supplying plural first control voltages sequentially to a control electrode of the transfer gate, and a driving means for performing driving of reading out signal charges transferred by the transfer gate when the plural first control voltages are sequentially applied twice and more.
    Type: Grant
    Filed: October 23, 2006
    Date of Patent: July 17, 2012
    Assignee: Sony Corporation
    Inventors: Yusuke Oike, Atsushi Toda
  • Publication number: 20120154656
    Abstract: A solid-state imaging element is disclosed which includes: a pixel array portion configured to have a plurality of unit pixels arrayed two-dimensionally, the unit pixels being furnished with a photoelectric conversion portion, a transfer section, and a reset section, the transfer section being configured to transfer electrical charges accumulated in the photoelectric conversion portion to a charge retention portion, the reset section being configured to reset the electrical charges of the charge retention portion; and a drive control section configured to control the driving of the unit pixels; wherein the drive control section controls the driving of the unit pixels in such a manner that prior to the charge transfer by the transfer section, the reset section resets the electrical charges of the charge retention portion in increments of a plurality of rows of the unit pixels, the plurality of rows being not adjacent to one another.
    Type: Application
    Filed: December 6, 2011
    Publication date: June 21, 2012
    Applicant: SONY CORPORATION
    Inventors: Yusuke OIKE, Takafumi TAKATSUKA, Ikuhiro YAMAMURA
  • Publication number: 20120153126
    Abstract: Disclosed herein is a solid-state imaging element including: a plurality of unit pixels each having a photoelectric conversion part, a transfer part that transfers a charge generated by the photoelectric conversion part to a predetermined region, and a draining part that drains a charge in the predetermined region; a light shielding film being formed under an interconnect layer in the unit pixels and shield, from light, substantially the whole surface of the plurality of unit pixels except a light receiving part of the photoelectric conversion part; and a voltage controller controlling a voltage applied to the light shielding film. The voltage controller sets the voltage applied to the light shielding film to a first voltage in charge draining by the draining part and sets the voltage applied to the light shielding film to a second voltage higher than the first voltage in charge transfer by the transfer part.
    Type: Application
    Filed: December 6, 2011
    Publication date: June 21, 2012
    Applicant: SONY CORPORATION
    Inventors: Yusuke Oike, Takashi Machida