Patents by Inventor Risako Ueno

Risako Ueno 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: 20130242161
    Abstract: A solid-state imaging device according to an embodiment includes: an imaging element including a plurality of pixel blocks each containing a plurality of pixels; a first optical system forming an image of an object on an imaging plane; and a second optical system including a microlens array, the microlens array including a light transmissive substrate, a plurality of first microlenses formed on the light transmissive substrate, and a plurality of second microlenses formed around the first microlenses, a focal length of the first microlenses being substantially equal to a focal length of the second microlenses, an area of the first microlenses in contact with the light transmissive substrate being larger than an area of the second microlenses in contact with the light transmissive substrate, the second optical system being configured to reduce and reconstruct the image formed on the imaging plane on the pixel blocks via the microlens array.
    Type: Application
    Filed: December 14, 2012
    Publication date: September 19, 2013
    Inventors: Mitsuyoshi Kobayashi, Risako Ueno, Kazuhiro Suzuki, Hiroto Honda, Hideyuki Funaki
  • Publication number: 20130240709
    Abstract: A solid-state imaging device according to an embodiment includes: an imaging element including a semiconductor substrate and a plurality of pixel blocks, each of the pixel blocks including at least two of R pixels, G pixels, B pixels, and W pixels; a first optical system configured to form an image of an object on an imaging plane; and a second optical system including a microlens array having a plurality of microlenses provided for the respective pixels blocks, the second optical system being located between the imaging element and the first optical system, the second optical system being configured to reduce and re-image the image formed on the imaging plane onto each of the pixel blocks. A proportion of the W pixels to be provided increases in a direction from a center of each pixel block toward an outer periphery thereof.
    Type: Application
    Filed: December 13, 2012
    Publication date: September 19, 2013
    Inventors: Risako UENO, Hiroto HONDA, Mitsuyoshi KOBAYASHI, Kazuhiro SUZUKI, Honam KWON, Hideyuki FUNAKI
  • Patent number: 8502905
    Abstract: In one embodiment, a solid-state imaging device includes: an imaging optical system including: a first and second surfaces facing each other; a flat reflector provided on the first surface and having an aperture in an outer circumferential portion; and a plurality of reflectors provided on the second surface and located in a plurality of ring-like areas, each of the reflectors being inclined in a radial direction, the reflectors having different diameters from one another; and an imaging element module including: an imaging element including an imaging area having a plurality of pixel blocks each including a plurality of pixels, and receiving and converting light from the imaging optical system into image data; a visible light transmission substrate provided between the imaging optical system and the imaging element; a microlens array provided on a surface of the visible light transmission substrate on the imaging element side; and an image processing unit processing the image data obtained by the imaging ele
    Type: Grant
    Filed: March 3, 2011
    Date of Patent: August 6, 2013
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Risako Ueno, Hideyuki Funaki, Mitsuyoshi Kobayashi
  • Patent number: 8466529
    Abstract: According to one embodiment, an imaging device includes a substrate, a photodetecting portion, a circuit portion and a through interconnect. The substrate has a first major surface, a second major surface on a side opposite to the first major surface, a recess portion provided on the first major surface and retreated in a first direction going from the first major surface to the second major surface, and a through hole communicating with the first major surface and the second major surface and extending in the first direction. The photodetecting portion is provided above the recess portion and away from the substrate. The circuit portion is electrically connected to the photodetecting portion and provided on the first major surface. The through interconnect is electrically connected to the circuit portion and provided inside the through hole. The recess portion has a first inclined surface. The through hole has a second inclined surface.
    Type: Grant
    Filed: March 18, 2011
    Date of Patent: June 18, 2013
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Kazuhiro Suzuki, Risako Ueno, Honam Kwon, Koichi Ishii, Hideyuki Funaki
  • Publication number: 20130128092
    Abstract: According to one embodiment, a camera module includes an image sensor, a main lens system and a sublens group. The sublens group is provided in an optical path between the main lens system and the image sensor. The sublens group forms an image piece for every pixel block. The image piece corresponds to a part of a subject image. The sublens group is integrated with a support structure. The support structure serves to support the sublens group above the image sensor.
    Type: Application
    Filed: June 22, 2012
    Publication date: May 23, 2013
    Applicant: Kabushiki Kaisha Toshiba
    Inventors: Takayuki OGASAHARA, Risako UENO, Mitsuyoshi KOBAYASHI, Katsuo IWATA, Atsuko KAWASAKI
  • Patent number: 8445950
    Abstract: Certain embodiments provide a solid-state imaging device including: a plurality of pixels provided on a semiconductor substrate, each of the pixels having a semiconductor region that converts incident light from a side of a first face of the semiconductor substrate into signal charges and stores the signal charges; a readout circuit provided on a side of a second face that is the opposite side from the first face, and reading out the signal charges stored in the pixels; and a pixel separation structure provided between adjacent ones of the pixels in the semiconductor substrate, the pixel separation structure including a stack film buried in a trench extending from the first face, the stack film including a first insulating film provided along side faces and a bottom face of the trench, and a fixed charge film provided in the trench to cover the first insulating film and retaining fixed charges that are non-signal charges.
    Type: Grant
    Filed: September 3, 2010
    Date of Patent: May 21, 2013
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Yoshinori Iida, Risako Ueno, Kazuhiro Suzuki, Hideyuki Funaki
  • Patent number: 8415622
    Abstract: An infrared imaging element according to an embodiment includes: a semiconductor substrate including a stacked structure of a silicon first substrate, and a first insulation film, first cavities being provided on a surface of the first substrate; an infrared detection unit provided in the semiconductor substrate and including, detection cells provided respectively over the first cavities, each of the detection cells having diodes and a second insulation film, the first insulation film converting incident infrared rays to heat, the diodes converting the heat obtained by the first insulation film to an electric signal, a third insulation film having a top face located at a greater distance from the semiconductor substrate as compared with a top face of the second insulation film; and a second substrate provided over the third insulation film. A second cavity is formed between the second substrate and the infrared detection unit.
    Type: Grant
    Filed: March 8, 2012
    Date of Patent: April 9, 2013
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Kazuhiro Suzuki, Hiroto Honda, Ikuo Fujiwara, Hideyuki Funaki, Hitoshi Yagi, Keita Sasaki, Honam Kwon, Koichi Ishii, Masako Ogata, Risako Ueno
  • Publication number: 20130075587
    Abstract: According to one embodiment, a solid state imaging device includes a sensor substrate having a plurality of pixels formed on an upper face, a microlens array substrate having a plurality of microlenses formed and a connection post with one end bonded to a region between the microlenses on the microlens array substrate and with the other end bonded to the upper face.
    Type: Application
    Filed: March 9, 2012
    Publication date: March 28, 2013
    Applicant: Kabushiki Kaisha Toshiba
    Inventors: Kazuhiro SUZUKI, Risako Ueno, Honam Kwon, Mitsuyoshi Kobayashi, Hideyuki Funaki
  • Publication number: 20130075849
    Abstract: According to one embodiment, a solid state imaging device includes a sensor substrate curved such that an upper face having a plurality of pixels formed is recessed and an imaging lens provided on the upper face side.
    Type: Application
    Filed: March 9, 2012
    Publication date: March 28, 2013
    Applicant: Kabushiki Kaisha Toshiba
    Inventors: Kazuhiro SUZUKI, Risako Ueno, Honam Kwon, Mitsuyoshi Kobayashi, Hideyuki Funaki
  • Publication number: 20130075586
    Abstract: According to one embodiment, a solid imaging device includes an imaging substrate, a light-shielding member and a AD conversion circuits. The imaging substrate is two-dimensionally arranged with a plurality of pixels. The plurality of pixels have a top face formed with an optoelectronic conversion element for converting incident light into an electric charge and storing it and a back face opposite to the top faces. The imaging substrate is formed with a top face by the top face of the plurality of pixels and formed with a back face by the back face of the plurality of pixels. The light-shielding member is provided on the top face side of the imaging substrate. The AD conversion circuits is formed on the back face of the pixels shielded from the light.
    Type: Application
    Filed: January 30, 2012
    Publication date: March 28, 2013
    Applicant: Kabushiki Kaisha Toshiba
    Inventors: Risako UENO, Hideyuki Funaki, Kazuhiro Suzuki, Mitsuyoshi Kobayashi, Honam Kwon
  • Publication number: 20130076923
    Abstract: According to one embodiment, a camera shake correction device includes a substrate, a fixed part, a linking part, a movable part, a first spring part, a second spring part, a first damper, and a second damper. The fixed part is provided on the substrate and fixed to the substrate. The linking part is provided around the fixed part on the substrate that can move in a first direction within a plane of the substrate with respect to the fixed part. The movable part is provided on the substrate and arranged around the fixed part and the linking part that can move in a second direction that intersects with the first direction within the plane of the substrate.
    Type: Application
    Filed: April 12, 2012
    Publication date: March 28, 2013
    Applicant: Kabushiki Kaisha Toshiba
    Inventors: Honam KWON, Kazuhiro SUZUKI, Risako UENO, Hideyuki FUNAKI
  • Publication number: 20130075585
    Abstract: According to one embodiment, a solid imaging device includes an imaging substrate, an imaging lens, a microlens array substrate and a polarizing plate array substrate. The imaging substrate has a plurality of pixels formed on an upper side thereof. The imaging lens is provided above the imaging substrate. The optical axis in the imaging lens intersects with the upper side of the imaging substrate. The microlens array substrate is provided between the imaging substrate and the imaging lens. A surface in the microlens array substrate has a plurality of microlenses arranged two-dimensionally. The surface of the microlens array intersects with the optical axis. The polarizing plate array substrate is provided between the imaging substrate and the imaging lens. The plurality of kinds of polarizing plates in the polarizing plate array substrate having polarization axes in mutually different directions are arranged two dimensionally.
    Type: Application
    Filed: January 30, 2012
    Publication date: March 28, 2013
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Mitsuyoshi Kobayashi, Hideyuki Funaki, Risako Ueno, Kazuhiro Suzuki
  • Patent number: 8338901
    Abstract: Certain embodiments provide a solid-state imaging device including: a photoelectric converting unit that includes a semiconductor layer of a second conductivity type provided on a semiconductor substrate of a first conductivity type, converts incident light entering a first surface of the semiconductor substrate into signal charges, and stores the signal charges; a readout circuit that reads the signal charges stored by the photoelectric converting unit; an antireflection structure that is provided on the first surface of the semiconductor substrate to cover the semiconductor layer of the photoelectric converting unit, includes a fixed charge film that retains fixed charges being non-signal charges, and prevents reflection of the incident light; and a hole storage region that is provided between the photoelectric converting unit and the antireflection structure, and stores holes being non-signal charges.
    Type: Grant
    Filed: September 3, 2010
    Date of Patent: December 25, 2012
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Risako Ueno, Kazuhiro Suzuki, Hideyuki Funaki, Yoshinori Iida, Tatsuo Shimizu, Masamichi Suzuki
  • Patent number: 8304848
    Abstract: Certain embodiments provide an infrared imaging device including: an SOI structure that is placed at a distance from a substrate, and includes: heat-sensitive diodes that detect infrared rays and convert the infrared rays into heat; and STI regions that separate the heat-sensitive diodes from one another; an interlayer insulating film that is stacked on the SOI structure; and supporting legs that are connected to the heat-sensitive diodes and vertical signal lines provided in outer peripheral regions of the heat-sensitive diodes. Each of the supporting legs includes: an interconnect unit that transmit signals to the vertical signal lines; and interlayer insulating layers that sandwich the interconnect unit, each bottom side of the interlayer insulating layers being located in a higher position than the SOI structure.
    Type: Grant
    Filed: September 16, 2010
    Date of Patent: November 6, 2012
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Kazuhiro Suzuki, Ikuo Fujiwara, Keita Sasaki, Honam Kwon, Hitoshi Yagi, Hiroto Honda, Koichi Ishii, Masako Ogata, Risako Ueno, Hideyuki Funaki
  • Publication number: 20120241613
    Abstract: One embodiment provides an infrared imaging device, including: a substrate; connection wiring portions arranged in matrix form on the substrate; a first infrared detecting portion configured to convert intensity of absorbed infrared radiation into a first signal; and a second infrared detecting portion configured to convert intensity of absorbed infrared radiation into a second signal, the second infrared detecting portion being larger in thermal conductance than the first infrared detecting portion.
    Type: Application
    Filed: March 23, 2012
    Publication date: September 27, 2012
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Koichi ISHII, Kazuhiro SUZUKI, Hiroto HONDA, Hideyuki FUNAKI, Risako UENO, Honam KWON
  • Publication number: 20120236190
    Abstract: According to one embodiment, a solid-state imaging device includes a pixel array and an infrared light eliminating portion. The pixel array has a plurality of pixel cells arranged as being array-shaped. The pixel array detects a signal level of each color light as being shared for each pixel cell. The infrared light eliminating portion eliminates infrared light from light proceeding toward a photoelectric conversion element. The infrared light eliminating portion is arranged for each pixel cell. The infrared light eliminating portion has selection wavelength being set in accordance with color light to be a detection target of the pixel cell.
    Type: Application
    Filed: March 14, 2012
    Publication date: September 20, 2012
    Applicant: Kabushiki Kaisha Toshiba
    Inventors: Takayuki OGASAHARA, Risako Ueno
  • Publication number: 20120229683
    Abstract: A solid-state imaging device according to an embodiment includes: a first optical system configured to form an image of an object on an image formation plane; an imaging element comprising an imaging area which includes a plurality of pixel blocks each including a plurality of pixels; a second optical system configured to include a microlens array including a plurality of microlenses provided to correspond to the plurality of pixel blocks and reduce and re-form an image scheduled to be formed on the image formation plane, in a pixel block corresponding to an individual microlens; and a signal processing unit configured to perform image signal processing with an optical position relation between each microlens and the pixel block corrected, by using an image signal of the object obtained by the imaging element.
    Type: Application
    Filed: August 30, 2011
    Publication date: September 13, 2012
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Mitsuyoshi Kobayashi, Hideyuki Funaki, Risako Ueno
  • Publication number: 20120228496
    Abstract: An uncooled infrared imaging element includes a pixel region, a device region, and a support substrate. The pixel region includes heat-sensitive pixels. The heat-sensitive pixels are arranged in a matrix and change current-voltage characteristics thereof in accordance with receiving amounts of infrared. The device region includes at least one of a drive circuit and a readout circuit which includes a MOS transistor. The drive circuit drives the heat-sensitive pixels. The readout circuit detects signals of the heat-sensitive pixels. The support substrate is provided with a cavity region to be under pixel region and the MOS transistor.
    Type: Application
    Filed: September 18, 2011
    Publication date: September 13, 2012
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Masako OGATA, Ikuo Fujiwara, Hiroto Honda, Kazuhiro Suzuki, Honam Kwon, Risako Ueno, Hitoshi Yagi, Masaki Atsuta, Koichi Ishii, Keita Sasaki, Hideyuki Funaki
  • Publication number: 20120228497
    Abstract: An infrared imaging element according to an embodiment includes: a semiconductor substrate including a stacked structure of a silicon first substrate, and a first insulation film, first cavities being provided on a surface of the first substrate; an infrared detection unit provided in the semiconductor substrate and including, detection cells provided respectively over the first cavities, each of the detection cells having diodes and a second insulation film, the first insulation film converting incident infrared rays to heat, the diodes converting the heat obtained by the first insulation film to an electric signal, a third insulation film having a top face located at a greater distance from the semiconductor substrate as compared with a top face of the second insulation film; and a second substrate provided over the third insulation film. A second cavity is formed between the second substrate and the infrared detection unit.
    Type: Application
    Filed: March 8, 2012
    Publication date: September 13, 2012
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Kazuhiro SUZUKI, Hiroto Honda, Ikuo Fujiwara, Hideyuki Funaki, Hitoshi Yagi, Keita Sasaki, Honam Kwon, Koichi Ishii, Masako Ogata, Risako Ueno
  • Publication number: 20120218448
    Abstract: A solid-state imaging device according to an embodiment includes: an imaging element formed on a semiconductor substrate, and comprising an imaging region including a plurality of pixel blocks each including a plurality of pixels; a first optical system forming an image of an object on an imaging plane; and a second optical system comprising a microlens array including a plurality of microlenses each corresponding to one of the pixel blocks, and reducing and re-forming the image to be formed on the imaging plane on the pixel blocks corresponding to the respective microlenses. The imaging plane of the first optical system is located further away from the first optical system than the imaging element when the object is located at an infinite distance.
    Type: Application
    Filed: August 30, 2011
    Publication date: August 30, 2012
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Risako UENO, Hideyuki Funaki, Mitsuyoshi Kobayashi