Patents by Inventor Shoji Araki

Shoji Araki 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).

  • Patent number: 11056050
    Abstract: An image processing unit includes: a gain calculating section obtaining, based on first luminance information for each pixel, a first gain, in which the first gain is configured to increase with an increase in pixel luminance value in a range where the pixel luminance value is equal to or larger than a predetermined luminance value, and in which the pixel luminance value is derived from the first luminance information; and a determination section determining, based on the first luminance information and the first gain, second luminance information for each of the pixels.
    Type: Grant
    Filed: July 3, 2019
    Date of Patent: July 6, 2021
    Assignee: Sony Corporation
    Inventors: Tomoya Yano, Makoto Nakagawa, Mitsuyasu Asano, Yasuo Inoue, Shoji Araki, Hidehisa Shimizu
  • Publication number: 20190325817
    Abstract: An image processing unit includes: a gain calculating section obtaining, based on first luminance information for each pixel, a first gain, in which the first gain is configured to increase with an increase in pixel luminance value in a range where the pixel luminance value is equal to or larger than a predetermined luminance value, and in which the pixel luminance value is derived from the first luminance information; and a determination section determining, based on the first luminance information and the first gain, second luminance information for each of the pixels.
    Type: Application
    Filed: July 3, 2019
    Publication date: October 24, 2019
    Inventors: Tomoya Yano, Makoto Nakagawa, Mitsuyasu Asano, Yasuo Inoue, Shoji Araki, Hidehisa Shimizu
  • Patent number: 10373551
    Abstract: An image processing unit includes: a gain calculating section obtaining, based on first luminance information for each pixel, a first gain, in which the first gain is configured to increase with an increase in pixel luminance value in a range where the pixel luminance value is equal to or larger than a predetermined luminance value, and in which the pixel luminance value is derived from the first luminance information; and a determination section determining, based on the first luminance information and the first gain, second luminance information for each of the pixels.
    Type: Grant
    Filed: March 7, 2018
    Date of Patent: August 6, 2019
    Assignee: Sony Corporation
    Inventors: Tomoya Yano, Makoto Nakagawa, Mitsuyasu Asano, Yasuo Inoue, Shoji Araki, Hidehisa Shimizu
  • Publication number: 20180197459
    Abstract: An image processing unit includes: a gain calculating section obtaining, based on first luminance information for each pixel, a first gain, in which the first gain is configured to increase with an increase in pixel luminance value in a range where the pixel luminance value is equal to or larger than a predetermined luminance value, and in which the pixel luminance value is derived from the first luminance information; and a determination section determining, based on the first luminance information and the first gain, second luminance information for each of the pixels.
    Type: Application
    Filed: March 7, 2018
    Publication date: July 12, 2018
    Inventors: Tomoya Yano, Makoto Nakagawa, Mitsuyasu Asano, Yasuo Inoue, Shoji Araki, Hidehisa Shimizu
  • Patent number: 9940870
    Abstract: An image processing unit includes: a gain calculating section obtaining, based on first luminance information for each pixel, a first gain, in which the first gain is configured to increase with an increase in pixel luminance value in a range where the pixel luminance value is equal to or larger than a predetermined luminance value, and in which the pixel luminance value is derived from the first luminance information; and a determination section determining, based on the first luminance information and the first gain, second luminance information for each of the pixels.
    Type: Grant
    Filed: May 21, 2013
    Date of Patent: April 10, 2018
    Assignee: Sony Corporation
    Inventors: Tomoya Yano, Makoto Nakagawa, Mitsuyasu Asano, Yasuo Inoue, Shoji Araki, Hidehisa Shimizu
  • Patent number: 9847056
    Abstract: A picture signal processing circuit includes a gamma correction section configured to perform gamma correction on a picture signal; and a gamma modification section configured to provide an offset component corresponding to one or both of a refresh rate and a light emission duty, to the picture signal gamma-corrected by the gamma correction section.
    Type: Grant
    Filed: March 31, 2014
    Date of Patent: December 19, 2017
    Assignee: JOLED Inc.
    Inventors: Hidehisa Shimizu, Shoji Araki
  • Patent number: 9633600
    Abstract: There is provided a display device including a light-emitting portion configured to constitute a pixel and emit light by a drive current, a writing transistor configured to write a video signal into pixel capacitance, a driving transistor configured to control the drive current of the light-emitting portion on the basis of the video signal written in the pixel capacitance, a first metal layer configured to constitute a drain and a source of each of the driving transistor and the writing transistor, and a second metal layer configured to constitute a gate of each of the driving transistor and the writing transistor.
    Type: Grant
    Filed: December 10, 2014
    Date of Patent: April 25, 2017
    Assignee: Sony Corporation
    Inventor: Shoji Araki
  • Patent number: 9569999
    Abstract: There is provided a signal generation apparatus for generating an output video signal based on an input video signal provided corresponding to an image to be displayed, the output video signal being a signal for driving an image display section including a display area, the display area including a plurality of pixels arranged in a two-dimensional matrix. At a change of the input video signal from low-brightness display to high-brightness display for a portion of the display area including one or more of the pixels, during a period for the signal change, the output video signal being generated for each of the one or more of the pixels in the portion of the display area to obtain a higher brightness than usual for the portion of the display area.
    Type: Grant
    Filed: October 7, 2014
    Date of Patent: February 14, 2017
    Assignee: JOLED Inc.
    Inventors: Yohei Funatsu, Shoji Araki
  • Patent number: 9344761
    Abstract: A video display system includes a video display unit, and an external unit configured to be communicatable with the video display unit. The video display unit includes a display panel and is configured to transmit specific information to the external unit. The specific information includes display panel information related to the display panel. The external unit is configured to derive a parameter from the specific information received from the video display unit and to transmit, to the video display unit, one of the derived parameter and related data related to the derived parameter. The parameter determines image quality.
    Type: Grant
    Filed: September 26, 2014
    Date of Patent: May 17, 2016
    Assignee: JOLED Inc.
    Inventors: Yohei Funatsu, Koichi Maeyama, Daisuke Miki, Yoshito Shiraishi, Shoji Araki
  • Publication number: 20160093248
    Abstract: A picture signal processing circuit includes a gamma correction section configured to perform gamma correction on a picture signal; and a gamma modification section configured to provide an offset component corresponding to one or both of a refresh rate and a light emission duty, to the picture signal gamma-corrected by the gamma correction section.
    Type: Application
    Filed: March 31, 2014
    Publication date: March 31, 2016
    Applicant: JOLED INC.
    Inventors: Hidehisa Shimizu, Shoji Araki
  • Patent number: 9214119
    Abstract: A display includes: a display section; and a display driving section driving the display section based on a first image data set and a second image data set that alternate with each other. The display driving section drives the display section by performing a first scan with use of a first block as a driving unit in accordance with the first image data set and a second scan with use of a second block as a driving unit in accordance with the second image data set. The first block is composed of a plurality of consecutive pixel lines, and the second block is composed of a plurality of consecutive pixel lines and is different from the first block.
    Type: Grant
    Filed: May 13, 2013
    Date of Patent: December 15, 2015
    Assignee: JOLED Inc.
    Inventors: Tomoya Yano, Shoji Araki, Hidehisa Shimizu, Munenori Ono, Fumihiko Fujishiro
  • Publication number: 20150213758
    Abstract: There is provided a display device including a light-emitting portion configured to constitute a pixel and emit light by a drive current, a writing transistor configured to write a video signal into pixel capacitance, a driving transistor configured to control the drive current of the light-emitting portion on the basis of the video signal written in the pixel capacitance, a first metal layer configured to constitute a drain and a source of each of the driving transistor and the writing transistor, and a second metal layer configured to constitute a gate of each of the driving transistor and the writing transistor.
    Type: Application
    Filed: December 10, 2014
    Publication date: July 30, 2015
    Inventor: Shoji Araki
  • Publication number: 20150154937
    Abstract: A color signal processing circuit of the present disclosure includes: a correction signal generation unit which generates, on the basis of a signal level of a color signal corresponding to one primary color among color signals corresponding to a plurality of primary colors being input, a correction signal for chromaticity of a color signal corresponding to another primary color as a difference value from a signal level of each color signal corresponding to predetermined chromaticity; and a correction unit which uses the correction signal generated by the correction signal generation unit to correct the color signal corresponding to the other primary color.
    Type: Application
    Filed: June 20, 2013
    Publication date: June 4, 2015
    Applicant: SONY CORPORATION
    Inventors: Yohei Funatsu, Yasuo Inoue, Tomoya Yano, Ryo Ogawa, Shoji Araki, Hidehisa Shimizu, Tetsuro Yamamoto, Yuki Seo, Takashi Uchida
  • Patent number: 9041631
    Abstract: A display device, a method for driving the same, and an electronic device capable of making ? correction function reliably even in the case where light emission luminance is low. A potential difference between the gate and the source of a transistor is corrected to a threshold voltage of the transistor. After that, while a horizontal drive circuit outputs a third voltage Vofs2, correction of mobility of the transistor starts. Subsequently, while the horizontal drive circuit outputs a second voltage Vsig, writing of a voltage according to the second voltage Vsig to the gate of the transistor is started.
    Type: Grant
    Filed: September 24, 2012
    Date of Patent: May 26, 2015
    Assignee: SONY CORPORATION
    Inventor: Shoji Araki
  • Publication number: 20150130856
    Abstract: There is provided a signal generation apparatus for generating an output video signal based on an input video signal provided corresponding to an image to be displayed, the output video signal being a signal for driving an image display section including a display area, the display area including a plurality of pixels arranged in a two-dimensional matrix. At a change of the input video signal from low-brightness display to high-brightness display for a portion of the display area including one or more of the pixels, during a period for the signal change, the output video signal being generated for each of the one or more of the pixels in the portion of the display area to obtain a higher brightness than usual for the portion of the display area.
    Type: Application
    Filed: October 7, 2014
    Publication date: May 14, 2015
    Inventors: Yohei Funatsu, Shoji Araki
  • Publication number: 20150106844
    Abstract: A video display system includes a video display unit, and an external unit configured to be communicatable with the video display unit. The video display unit includes a display panel and is configured to transmit specific information to the external unit. The specific information includes display panel information related to the display panel. The external unit is configured to derive a parameter from the specific information received from the video display unit and to transmit, to the video display unit, one of the derived parameter and related data related to the derived parameter. The parameter determines image quality.
    Type: Application
    Filed: September 26, 2014
    Publication date: April 16, 2015
    Inventors: Yohei Funatsu, Koichi Maeyama, Daisuke Miki, Yoshito Shiraishi, Shoji Araki
  • Publication number: 20140368556
    Abstract: A display apparatus includes: a display unit that includes a display area including display elements arranged in a two-dimensional matrix and is configured to display an image in the display area based on a video signal; and a correction signal generation unit configured to generate a correction signal that accelerates a change with time for a display element having a small change with time and performs a slowdown or a stop of the change with time for a display element having a large change with time, based on a value of the video signal and time-varying characteristics of a luminance of each display element. When the display apparatus is not used after a normal image is displayed based on the video signal, a corrected image based on the correction signal is displayed to equalize a degree of the change with time of each display element.
    Type: Application
    Filed: June 4, 2014
    Publication date: December 18, 2014
    Inventors: Yohei Funatsu, Hidehisa Shimizu, Shoji Araki, Yuki Seo
  • Publication number: 20130335457
    Abstract: An image processing unit includes: a gain calculating section obtaining, based on first luminance information for each pixel, a first gain, in which the first gain is configured to increase with an increase in pixel luminance value in a range where the pixel luminance value is equal to or larger than a predetermined luminance value, and in which the pixel luminance value is derived from the first luminance information; and a determination section determining, based on the first luminance information and the first gain, second luminance information for each of the pixels.
    Type: Application
    Filed: May 21, 2013
    Publication date: December 19, 2013
    Applicant: SONY CORPORATION
    Inventors: TOMOYA YANO, MAKOTO NAKAGAWA, MITSUYASU ASANO, YASUO INOUE, SHOJI ARAKI, HIDEHISA SHIMIZU
  • Publication number: 20130321487
    Abstract: A display includes: a display section; and a display driving section driving the display section based on a first image data set and a second image data set that alternate with each other. The display driving section drives the display section by performing a first scan with use of a first block as a driving unit in accordance with the first image data set and a second scan with use of a second block as a driving unit in accordance with the second image data set. The first block is composed of a plurality of consecutive pixel lines, and the second block is composed of a plurality of consecutive pixel lines and is different from the first block.
    Type: Application
    Filed: May 13, 2013
    Publication date: December 5, 2013
    Inventors: TOMOYA YANO, SHOJI ARAKI, HIDEHISA SHIMIZU, MUNENORI ONO, FUMIHIKO FUJISHIRO
  • Patent number: 8289245
    Abstract: The present invention provides a display device, a method for driving the same, and an electronic device capable of making ? correction function reliably even in the case where light emission luminance is low. A potential difference between the gate and the source of a transistor is corrected to a threshold voltage of the transistor. After that, while a horizontal drive circuit outputs a third voltage Vofs2, correction of mobility of the transistor starts. Subsequently, while the horizontal drive circuit outputs a second voltage Vsig, writing of a voltage according to the second voltage Vsig to the gate of the transistor is started.
    Type: Grant
    Filed: July 23, 2009
    Date of Patent: October 16, 2012
    Assignee: Sony Corporation
    Inventor: Shoji Araki