Patents by Inventor Masao Orio
Masao Orio 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: 20200279519Abstract: A display driver comprises: digital gamma circuitry configured to generate a voltage data based on an image data for a pixel of interest; compensating circuitry configured to calculate a total current of the display panel; and correction circuitry. The correction circuitry is configured to correct the voltage data, based on the calculated total current.Type: ApplicationFiled: November 15, 2018Publication date: September 3, 2020Applicant: Synaptics IncorporatedInventors: Masao Orio, Hirobumi Furihata, Susumu Saito, Masaaki Okawa, Takashi Nose
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Publication number: 20200193893Abstract: A display driver comprises color gamut adjustment circuitry and drive circuitry. The color gamut adjustment circuitry is configured to generate an in-use parameter set based on a plurality of parameter sets corresponding to different color gamuts and a position of a target pixel and generate an output pixel data by performing color gamut adjustment processing on an input pixel data of the target pixel based on the in-use parameter set. The drive circuitry is configured to drive a display panel based on the output pixel data.Type: ApplicationFiled: November 27, 2019Publication date: June 18, 2020Inventors: Masao ORIO, Hirobumi FURIHATA, Akio SUGIYAMA, Takashi NOSE
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Patent number: 10657412Abstract: An image processing apparatus includes: a first circuit which calculates values f(RPi), f(GPi) and f(BPi) by applying a function f(x) to an R grayscale value RPi, a G grayscale value GPi and a B grayscale value BPi of each pixel i of a first image; a second circuit which calculates values f(RQi), f(GQi) and f(BQi) by applying the function f(x) to an R grayscale value RQi, a G grayscale value GQi and a B grayscale value BQi of each pixel i of a second image; and a similarity calculation circuit which calculates a degree of similarity between the first and second images depending on |f(RPi)?f(RQi)|, |f(GPi)?f(GQi)| and |f(BPi)?f(BQi)| associated with each pixel i of the first and second images. The function f(x) is a convex function monotonically non-decreasing in the domain of definition.Type: GrantFiled: March 15, 2019Date of Patent: May 19, 2020Assignee: Synaptics Japan GKInventors: Hirobumi Furihata, Masao Orio, Susumu Saito, Takashi Nose, Akio Sugiyama
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Patent number: 10657870Abstract: Provided is a color adjustment method for a display apparatus. The color adjustment method includes: measuring first luminance coordinate data indicating a luminance and color coordinates of a color displayed on a display device when image data corresponding to a white point is supplied to a drive circuitry; measuring second luminance coordinate data indicating luminances and color coordinates of colors displayed on the display device when image data corresponding to the white color of intermediate grayscale values are supplied to the drive circuitry; measuring third luminance coordinate data indicating a luminance and color coordinates of a color displayed on the display device for each of R, G and B elementary color points when image data corresponding to each of the R, G and B elementary color points is supplied to the drive circuitry; and calculating correction parameters based on the first to third luminance coordinate data.Type: GrantFiled: June 20, 2019Date of Patent: May 19, 2020Assignee: Synaptics Japan GKInventors: Masao Orio, Hirobumi Furihata, Susumu Saito, Takashi Nose, Akio Sugiyama
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Publication number: 20200111423Abstract: A display driver comprises image processing circuitry, compensation circuitry, voltage data generator circuitry, and drive circuitry. The image processing circuitry is configured to generate a first voltage data based on an image data corresponding to an image to be displayed on a display panel. The compensation circuitry is configured to generate correction values for pixels of the display panel, based on a total current consumed in the pixels of the display panel and positions of the pixels in the display panel. The voltage data generator circuitry is configured to generate a second voltage data by correcting the first voltage data based on the correction values. The drive circuitry is configured to write drive voltages into the pixels based on the second voltage data.Type: ApplicationFiled: September 24, 2019Publication date: April 9, 2020Applicant: SYNAPTICS INCORPORATEDInventors: Masao ORIO, Hirobumi FURIHATA, Takashi NOSE
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Patent number: 10609401Abstract: An image compression device includes: a first compression processing circuit configured to generate a first compressed image data by performing a first block compression process on an image data and a dither value generator circuit. When the first compressed image data associated with a compression target block is generated, the dither value generator circuit is configured to generate at least one dither value in response to block coordinates indicating a position of the compression target block in an image and the first compression processing circuit is configured to perform a quantization process using the at least one dither value in the first block compression process.Type: GrantFiled: May 12, 2017Date of Patent: March 31, 2020Assignee: Synaptics Japan GKInventors: Hirobumi Furihata, Masao Orio
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Patent number: 10510138Abstract: A display panel driver includes a scaler circuit performing image enlargement processing on input image data corresponding to an input image to generate ?-times enlarged image data corresponding to an ?-times enlarged image (? is a number larger than one which cannot be represented as 2k); and a driver section driving a display panel. In calculating a pixel value of a target pixel of the ?-times enlarged image, the scaler circuit generates enlarged image data including 2n-times enlarged image data corresponding to a 2n-times enlarged image obtained by enlarging the input image with an enlargement factor of 2n (n is the smallest integer determined so that 2n is larger than ?), and calculates the pixel value of the target pixel from the 2n-times enlarged image data through interpolation processing of pixel values of pixels of the 2n-times enlarged image corresponding to the target pixel of the ?-times enlarged image.Type: GrantFiled: January 11, 2019Date of Patent: December 17, 2019Assignee: Synaptics Japan GKInventors: Hirobumi Furihata, Takashi Nose, Masao Orio
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Publication number: 20190304353Abstract: Provided is a color adjustment method for a display apparatus. The color adjustment method includes: measuring first luminance coordinate data indicating a luminance and color coordinates of a color displayed on a display device when image data corresponding to a white point is supplied to a drive circuitry; measuring second luminance coordinate data indicating luminances and color coordinates of colors displayed on the display device when image data corresponding to the white color of intermediate grayscale values are supplied to the drive circuitry; measuring third luminance coordinate data indicating a luminance and color coordinates of a color displayed on the display device for each of R, G and B elementary color points when image data corresponding to each of the R, G and B elementary color points is supplied to the drive circuitry; and calculating correction parameters based on the first to third luminance coordinate data.Type: ApplicationFiled: June 20, 2019Publication date: October 3, 2019Inventors: Masao ORIO, Hirobumi FURIHATA, Susumu SAITO, Takashi NOSE, Akio SUGIYAMA
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Patent number: 10373584Abstract: A color adjustment circuit includes: a correction processing circuit configured to generate an output image data by performing color adjustment correction on an input image data; and a correction factor calculation circuit configured to calculate correction factors used for the color adjustment correction. The correction factor calculation circuit calculates a white color distance, a complementary color distance, and an elementary color distance and calculates the correction factors based on the white color distance, the complementary color distance and the elementary color distance. The correction factors are calculated based on: white point correction parameters, top correction parameters, and intermediate correction parameters.Type: GrantFiled: May 25, 2017Date of Patent: August 6, 2019Assignee: SYNAPTICS JAPAN GKInventors: Masao Orio, Hirobumi Furihata, Susumu Saito, Takashi Nose, Akio Sugiyama
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Publication number: 20190213440Abstract: An image processing apparatus includes: a first circuit which calculates values f(RPi), f(GPi) and f(BPi) by applying a function f(x) to an R grayscale value RPi, a G grayscale value GPi and a B grayscale value BPi of each pixel i of a first image; a second circuit which calculates values f(RQi), f(GQi) and f(BQi) by applying the function f(x) to an R grayscale value RQi, a G grayscale value GQi and a B grayscale value BQi of each pixel i of a second image; and a similarity calculation circuit which calculates a degree of similarity between the first and second images depending on |f(RPi)?f(RQi)|, |f(GPi)?f(GQi)| and |f(BPi)?f(BQi)| associated with each pixel i of the first and second images. The function f(x) is a convex function monotonically non-decreasing in the domain of definition.Type: ApplicationFiled: March 15, 2019Publication date: July 11, 2019Inventors: Hirobumi FURIHATA, Masao ORIO, Susumu SAITO, Takashi NOSE, Akio SUGIYAMA
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Patent number: 10332437Abstract: Provided is a color adjustment method for a display apparatus. The color adjustment method includes: measuring first luminance coordinate data indicating a luminance and color coordinates of a color displayed on a display device when image data corresponding to a white point is supplied to a drive circuitry; measuring second luminance coordinate data indicating luminances and color coordinates of colors displayed on the display device when image data corresponding to the white color of intermediate grayscale values are supplied to the drive circuitry; measuring third luminance coordinate data indicating a luminance and color coordinates of a color displayed on the display device for each of R, G and B elementary color points when image data corresponding to each of the R, G and B elementary color points is supplied to the drive circuitry; and calculating correction parameters based on the first to third luminance coordinate data.Type: GrantFiled: May 11, 2017Date of Patent: June 25, 2019Assignee: Synaptics Japan GKInventors: Masao Orio, Hirobumi Furihata, Susumu Saito, Takashi Nose, Akio Sugiyama
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Publication number: 20190156457Abstract: A display panel driver includes a scaler circuit performing image enlargement processing on input image data corresponding to an input image to generate ?-times enlarged image data corresponding to an ?-times enlarged image (?is a number larger than one which cannot be represented as 2k); and a driver section driving a display panel. In calculating a pixel value of a target pixel of the ?-times enlarged image, the scaler circuit generates enlarged image data including 2n-times enlarged image data corresponding to a 2n-times enlarged image obtained by enlarging the input image with an enlargement factor of 2n (n is the smallest integer determined so that 2n is larger than ?), and calculates the pixel value of the target pixel from the 2n-times enlarged image data through interpolation processing of pixel values of pixels of the 2n-times enlarged image corresponding to the target pixel of the ?-times enlarged image.Type: ApplicationFiled: January 11, 2019Publication date: May 23, 2019Inventors: Hirobumi FURIHATA, Takashi NOSE, Masao ORIO
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Patent number: 10235598Abstract: An image processing apparatus includes: a first circuit which calculates values f(RPi), f(GPi) and f(BPi) by applying a function f(x) to an R grayscale value RPi, a G grayscale value GPi and a B grayscale value BPi of each pixel i of a first image; a second circuit which calculates values f(RQi), f(GQi) and f(BQi) by applying the function f(x) to an R grayscale value RQi, a G grayscale value GQi and a B grayscale value BQi of each pixel i of a second image; and a similarity calculation circuit which calculates a degree of similarity between the first and second images depending on |f(RPi)?f(RQi)|, |f(GPi)?|f(GQi)| and |f(BPi)?f(BQi)| associated with each pixel i of the first and second images. The function f(x) is a convex function monotonically non-decreasing in the domain of definition.Type: GrantFiled: April 10, 2017Date of Patent: March 19, 2019Assignee: Synaptics Japan GKInventors: Hirobumi Furihata, Masao Orio, Susumu Saito, Takashi Nose, Akio Sugiyama
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Patent number: 10192286Abstract: A display panel driver includes a scaler circuit performing image enlargement processing on input image data corresponding to an input image to generate ?-times enlarged image data corresponding to an ?-times enlarged image (? is a number larger than one which cannot be represented as 2k); and a driver section driving a display panel. In calculating a pixel value of a target pixel of the ?-times enlarged image, the scaler circuit generates enlarged image data including 2n-times enlarged image data corresponding to a 2n-times enlarged image obtained by enlarging the input image with an enlargement factor of 2n (n is the smallest integer determined so that 2n is larger than ?), and calculates the pixel value of the target pixel from the 2n-times enlarged image data through interpolation processing of pixel values of pixels of the 2n-times enlarged image corresponding to the target pixel of the ?-times enlarged image.Type: GrantFiled: September 8, 2015Date of Patent: January 29, 2019Assignee: Synaptics Japan GKInventors: Hirobumi Furihata, Takashi Nose, Masao Orio
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Patent number: 9837045Abstract: A display device includes a display panel; and a display panel driver driving the display panel. The display panel driver includes: a processing circuit configured to perform digital arithmetic processing on R, G and B grayscale values of input image data to calculate R, G and B grayscale values of output image data, respectively, and a control point data generation circuit configured to: generate first control point data indicating the shape of a desired gamma curve; calculate Re, G and B control point data indicating input-output curves of digital arithmetic processing performed on the R, G and B grayscale values of the input image data by correcting the first control point data in response to the input image data. The processing circuit is configured to calculate the R, G and B grayscale values of the output image data in response to the R, G and B control point data.Type: GrantFiled: July 27, 2015Date of Patent: December 5, 2017Assignee: Synaptics Japan GKInventors: Hirobumi Furihata, Takashi Nose, Masao Orio, Akio Sugiyama
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Publication number: 20170345390Abstract: A color adjustment circuit includes: a correction processing circuit configured to generate an output image data by performing color adjustment correction on an input image data; and a correction factor calculation circuit configured to calculate correction factors used for the color adjustment correction. The correction factor calculation circuit calculates a white color distance, a complementary color distance, and an elementary color distance and calculates the correction factors based on the white color distance, the complementary color distance and the elementary color distance. The correction factors are calculated based on: white point correction parameters, top correction parameters, and intermediate correction parameters.Type: ApplicationFiled: May 25, 2017Publication date: November 30, 2017Inventors: Masao ORIO, Hirobumi FURIHATA, Susumu SAITO, Takashi NOSE, Akio SUGIYAMA
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Publication number: 20170330498Abstract: Provided is a color adjustment method for a display apparatus. The color adjustment method includes: measuring first luminance coordinate data indicating a luminance and color coordinates of a color displayed on a display device when image data corresponding to a white point is supplied to a drive circuitry; measuring second luminance coordinate data indicating luminances and color coordinates of colors displayed on the display device when image data corresponding to the white color of intermediate grayscale values are supplied to the drive circuitry; measuring third luminance coordinate data indicating a luminance and color coordinates of a color displayed on the display device for each of R, G and B elementary color points when image data corresponding to each of the R, G and B elementary color points is supplied to the drive circuitry; and calculating correction parameters based on the first to third luminance coordinate data.Type: ApplicationFiled: May 11, 2017Publication date: November 16, 2017Inventors: Masao ORIO, Hirobumi FURIHATA, Susumu SAITO, Takashi NOSE, Akio SUGIYAMA
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Publication number: 20170332090Abstract: An image compression device includes: a first compression processing circuit configured to generate a first compressed image data by performing a first block compression process on an image data and a dither value generator circuit. When the first compressed image data associated with a compression target block is generated, the dither value generator circuit is configured to generate at least one dither value in response to block coordinates indicating a position of the compression target block in an image and the first compression processing circuit is configured to perform a quantization process using the at least one dither value in the first block compression process.Type: ApplicationFiled: May 12, 2017Publication date: November 16, 2017Inventors: Hirobumi FURIHATA, Masao ORIO
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Publication number: 20170293823Abstract: An image processing apparatus includes: a first circuit which calculates values f(RPi), f(GPi) and f(BPi) by applying a function f(x) to an R grayscale value RR, a G grayscale value GPi and a B grayscale value BPi of each pixel i of a first image; a second circuit which calculates values f(RQi), f(GQi) and f(BQi)i) by applying the function f(x) to an R grayscale value RQi, a G grayscale value GQi and a B grayscale value BQi of each pixel i of a second image; and a similarity calculation circuit which calculates a degree of similarity between the first and second images depending on |f(RPi)-f(RQi)|, |f(GPi)-|f(GQi)| and |f(BPi)-f(BQi)| associated with each pixel i of the first and second images. The function f(x) is a convex function monotonically non-decreasing in the domain of definition.Type: ApplicationFiled: April 10, 2017Publication date: October 12, 2017Inventors: Hirobumi FURIHATA, Masao ORIO, Susumu SAITO, Takashi NOSE, Akio SUGIYAMA
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Patent number: 9747665Abstract: A display panel driver includes first and second scaler circuits and a pixel data feeding section which feeds to the first scaler circuit first divisional image pixel data corresponding to a first divisional image and feeds to the second scaler circuit second divisional image pixel data corresponding to a second divisional image. The pixel data feeding section also feeds to the first scaler circuit first boundary pixel data corresponding to pixels in a portion of the second divisional image, adjacent to the first divisional image and feeds to the second scaler circuit second boundary pixel data corresponding to pixels in a portion of the first divisional image, adjacent to the second divisional image. The first scaler circuit performs image scaling on the basis of the first divisional image pixel data and the first boundary pixel data and the second scaler circuit performs image scaling on the basis of the second divisional pixel image data and the second boundary pixel data.Type: GrantFiled: August 25, 2015Date of Patent: August 29, 2017Assignee: Synaptics Japan GKInventors: Masao Orio, Hirobumi Furihata, Takashi Nose