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: 20240038183Abstract: A display device includes a display panel, a backlight module, and backlight control circuitry. The backlight module is configured to illuminate the display panel, the backlight module comprising a plurality of light sources. The backlight control circuitry is configured to control first luminance of a first light source of the plurality of light sources based at least in part on a first weighted average of brightness values for a first set of pixels of the display panel.Type: ApplicationFiled: July 29, 2022Publication date: February 1, 2024Applicant: Synaptics IncorporatedInventors: Hirobumi Furihata, Kazutoshi Aogaki, Takashi Nose, Masao Orio, Tomoo Minaki, Akio Sugiyama
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Publication number: 20230377502Abstract: A display driver comprises image processing circuitry and driver circuitry. The image processing circuitry is configured to receive spatial distribution information of a physical quantity related to a display panel. The image processing circuitry is further configured to generate output voltage data by processing input pixel data associated with subpixels of the pixel. The drive circuitry is configured to drive the display panel based on the output voltage data.Type: ApplicationFiled: June 19, 2023Publication date: November 23, 2023Applicant: Synaptics IncorporatedInventors: Masao Orio, Takashi Nose, Hirobumi Furihata
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Publication number: 20230343263Abstract: A display driver includes image processing circuitry and drive circuitry. The image processing circuitry is configured to generate first voltage data for a first pixel in a first screen area of a display panel using a first gamma parameter. The image processing circuitry is further configured to generate second voltage data for a second pixel in a second screen area of the display panel using a second gamma parameter set. The image processing circuitry is further configured to determine an interpolated gamma parameter set for a third pixel in a connection area of the display panel through interpolation between the first gamma parameter set and the second gamma parameter set. The connection area is disposed between the first screen area and the second screen area. The image processing circuitry is further configured to generate third voltage data for the third pixel using the interpolated gamma parameter set.Type: ApplicationFiled: June 27, 2023Publication date: October 26, 2023Inventors: Takashi Nose, Hirobumi Furihata, Masao Orio
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Patent number: 11727843Abstract: A display driver includes image processing circuitry and drive circuitry. The image processing circuitry is configured to generate first voltage data for a first pixel in a first screen area of a display panel using a first gamma parameter. The image processing circuitry is further configured to generate second voltage data for a second pixel in a second screen area of the display panel using a second gamma parameter set. The image processing circuitry is further configured to determine an interpolated gamma parameter set for a third pixel in a connection area of the display panel through interpolation between the first gamma parameter set and the second gamma parameter set. The connection area is disposed between the first screen area and the second screen area. The image processing circuitry is further configured to generate third voltage data for the third pixel using the interpolated gamma parameter set.Type: GrantFiled: October 19, 2021Date of Patent: August 15, 2023Assignee: Synaptics IncorporatedInventors: Takashi Nose, Hirobumi Furihata, Masao Orio
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Patent number: 11710440Abstract: A display driver that drives a display panel comprises storage circuitry, color addition processing circuitry, and drive circuitry. The storage circuitry stores F subpixel data acquired from color coordinate data indicating color coordinates of a displayed color in a predetermined color space displayed on the display panel when an R subpixel, a G subpixel, and a B subpixel in each of a plurality of pixels of the display panel are driven with drive signals corresponding to a minimum grayscale value and an F subpixel in each of the plurality of pixels which displays an additional color other than a primary color R, a primary color G, and a primary color B is driven with a drive signal corresponding to a maximum grayscale value. The color addition processing circuitry generates output FRGB data from input RGB data, in response to the F subpixel data stored in the storage circuitry.Type: GrantFiled: August 3, 2022Date of Patent: July 25, 2023Assignee: Synaptics IncorporatedInventors: Masao Orio, Hirobumi Furihata, Kazutoshi Aogaki, Takashi Nose
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Patent number: 11705088Abstract: A display driver comprises signal supply circuitry and control circuitry. The signal supply circuitry is configured to supply an emission control signal to a display panel. The emission control signal controls a ratio of pixel circuits that emit light to pixels of the display panel. The control circuitry is configured to control the emission control signal based on an input image data.Type: GrantFiled: January 17, 2020Date of Patent: July 18, 2023Assignee: Synaptics IncorporatedInventors: Hirobumi Furihata, Takashi Nose, Masao Orio
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Publication number: 20230142900Abstract: A display driver includes image processing circuitry and drive circuitry. The image processing circuitry is configured to determine a total current of a display panel and perform an IR-drop compensation using the total current and a first graylevel for a first subpixel of the display panel to determine a first voltage level for the first subpixel. The drive circuitry is configured to update the first subpixel based at least in part on the first voltage level.Type: ApplicationFiled: November 8, 2021Publication date: May 11, 2023Applicant: Synaptics IncorporatedInventors: Masao Orio, Hirobumi Furihata, Takashi Nose
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Publication number: 20230118354Abstract: A display driver includes image processing circuitry and drive circuitry. The image processing circuitry is configured to generate first voltage data for a first pixel in a first screen area of a display panel using a first gamma parameter. The image processing circuitry is further configured to generate second voltage data for a second pixel in a second screen area of the display panel using a second gamma parameter set. The image processing circuitry is further configured to determine an interpolated gamma parameter set for a third pixel in a connection area of the display panel through interpolation between the first gamma parameter set and the second gamma parameter set. The connection area is disposed between the first screen area and the second screen area. The image processing circuitry is further configured to generate third voltage data for the third pixel using the interpolated gamma parameter set.Type: ApplicationFiled: October 19, 2021Publication date: April 20, 2023Applicant: Synaptics IncorporatedInventors: Takashi Nose, Hirobumi Furihata, Masao Orio
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Patent number: 11620933Abstract: A display driver includes image processing circuitry and driver circuitry. The image processing circuitry is configured to process first image data for pixels of a display panel comprising a first region and a second region to generate output voltage data. The first region and the second region have different pixel layouts. The driver circuitry is configured to update the pixels based on the output voltage data. Processing the first image data comprises IR-drop compensation based on first luminances of the pixels, each of the first luminances being determined based on the first image data and whether a corresponding pixel of the pixels is located in the first region.Type: GrantFiled: October 13, 2020Date of Patent: April 4, 2023Assignee: Synaptics IncorporatedInventors: Masao Orio, Takashi Nose, Hirobumi Furihata, Akio Sugiyama, Tomoo Minaki
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Publication number: 20220392385Abstract: A display driver comprises control circuitry configured to store a default gamma curve, determine a count of in-region pixels of a target pixel in a display panel and neighboring pixels of the target pixel, the in-region pixels being located in a predetermined region of the display panel, and determine a scale factor based on a ratio of the count of the in-region pixels to a total number of the target pixel and the neighboring pixels. The control circuitry also determines a modified gamma curve by scaling the default gamma curve with the scale factor.Type: ApplicationFiled: August 11, 2022Publication date: December 8, 2022Applicant: Synaptics IncorporatedInventors: Hirobumi Furihata, Tomoo Minaki, Masao Orio, Takashi Nose
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Publication number: 20220383797Abstract: A display driver that drives a display panel comprises storage circuitry, color addition processing circuitry, and drive circuitry. The storage circuitry stores F subpixel data acquired from color coordinate data indicating color coordinates of a displayed color in a predetermined color space displayed on the display panel when an R subpixel, a G subpixel, and a B subpixel in each of a plurality of pixels of the display panel are driven with drive signals corresponding to a minimum grayscale value and an F subpixel in each of the plurality of pixels which displays an additional color other than a primary color R, a primary color G, and a primary color B is driven with a drive signal corresponding to a maximum grayscale value. The color addition processing circuitry generates output FRGB data from input RGB data, in response to the F subpixel data stored in the storage circuitry.Type: ApplicationFiled: August 3, 2022Publication date: December 1, 2022Applicant: Synaptics IncorporatedInventors: Masao ORIO, Hirobumi FURIHATA, Kazutoshi AOGAKI, Takashi NOSE
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Patent number: 11508273Abstract: A display driver includes image processing circuitry, driver circuitry, and test circuitry. The image processing circuitry is configured to generate first output data during a first display update period and generate second output data during a second display update period. The driver circuitry is configured to update a display panel based on the first output data during the first display update period and update the display panel based on the second output data during the second display update period. The test circuitry is configured to test the image processing circuitry during a test period disposed between the first display update period and the second display update period.Type: GrantFiled: November 12, 2020Date of Patent: November 22, 2022Assignee: Synaptics IncorporatedInventors: Masao Orio, Takashi Nose, Hirobumi Furihata, Akio Sugiyama, Kota Kitamura, Chirinjeev Singh, Dipankar Talukdar, Guozhong Shen
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Patent number: 11482175Abstract: A display driver comprises gamma processing circuitry, compensation circuitry, and driver circuitry. The gamma processing circuitry is configured to process the image data to generate gamma processed image data. The compensation circuitry is configured to process the gamma-processed image data, based on a ratio of a number of display elements that emit light to a total number of display elements of a display panel, to generate compensated image data. The driver circuitry is configured to drive the display panel based on the compensated image data.Type: GrantFiled: August 27, 2021Date of Patent: October 25, 2022Assignee: Synaptics IncorporatedInventors: Akio Sugiyama, Takashi Nose, Hirobumi Furihata, Masao Orio, Susumu Saito
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Patent number: 11462164Abstract: A display system includes a display panel and first and second display drivers. The first display driver is configured to generate first region total current data corresponding to a subtotal of estimated pixel currents of respective pixels in a first region of the display panel. The second display driver is configured to generate second region total current data corresponding to a subtotal of estimated pixel currents of respective pixels in a second region of the display panel. The first display driver is further configured to receive the second region total current data from the second display driver, receive first image data for the first region; generate first voltage data based on the first image data, and update the first region of the display panel based on the first voltage data. Generating the first voltage data includes an IR-drop compensation based on the first and second region total current data.Type: GrantFiled: August 16, 2021Date of Patent: October 4, 2022Assignee: Synaptics IncorporatedInventors: Masao Orio, Hirobumi Furihata, Takashi Nose
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Patent number: 11443671Abstract: A display driver includes control circuitry and image processing circuitry. The control circuitry is configured to store a default gamma curve and determine a scaling factor based on a location of a target pixel in a display panel. The control circuitry is further configured to determine a modified gamma curve by scaling the default gamma curve with the scaling factor. The image processing circuitry configured to apply a gamma transformation based on the modified gamma curve to image data defined for the target pixel to generate output voltage data for the target pixel.Type: GrantFiled: January 13, 2021Date of Patent: September 13, 2022Assignee: Synaptics IncorporatedInventors: Hirobumi Furihata, Tomoo Minaki, Masao Orio, Takashi Nose
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Patent number: 11436962Abstract: A display driver includes control circuitry and image processing circuitry. The control circuitry is configured to store first and second predetermined gamma curve defined for first and second regions of a display panel, respectively, the first region having a different pixel layout than the second region. The control circuitry is further configured to determine first and second modified gamma curves by scaling the first and second predetermined gamma curves with a common scale factor. The image processing circuitry is configured to apply a first gamma transformation based on the first modified gamma curve to a first graylevel defined for a first pixel circuit located in the first region to determine a first output voltage level and apply a second gamma transformation based on the second modified gamma curve to a second graylevel defined for a second pixel circuit located in the second region to determine a second output voltage level.Type: GrantFiled: January 13, 2021Date of Patent: September 6, 2022Assignee: Synaptics IncorporatedInventors: Hirobumi Furihata, Masao Orio, Takashi Nose, Akio Sugiyama
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Patent number: 11436968Abstract: A display driver that drives a display panel comprises storage circuitry, color addition processing circuitry, and drive circuitry. The storage circuitry stores F subpixel data acquired from color coordinate data indicating color coordinates of a displayed color in a predetermined color space displayed on the display panel when an R subpixel, a G subpixel, and a B subpixel in each of a plurality of pixels of the display panel are driven with drive signals corresponding to a minimum grayscale value and an F subpixel in each of the plurality of pixels which displays an additional color other than a primary color R, a primary color G, and a primary color B is driven with a drive signal corresponding to a maximum grayscale value. The color addition processing circuitry generates output FRGB data from input RGB data, in response to the F subpixel data stored in the storage circuitry.Type: GrantFiled: March 15, 2018Date of Patent: September 6, 2022Assignee: Synaptics IncorporatedInventors: Masao Orio, Hirobumi Furihata, Kazutoshi Aogaki, Takashi Nose
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Patent number: 11423819Abstract: A display driver includes image processing circuitry and drive circuitry. The image processing circuitry is configured to receive first subpixel data for a first scan line of a display panel. The display panel includes a first region with a first pixel layout and a second region with a second pixel layout different from the first pixel layout. The image processing circuitry is further configured to determine an overshoot amount based, at least in part, on the first subpixel data and region indication data and generate resulting voltage data using the overshoot amount. The region indication data indicates whether the resulting voltage data is for the first region or for the second region. The drive circuitry is configured to drive the display panel based, at least in part, on the resulting voltage data.Type: GrantFiled: October 7, 2021Date of Patent: August 23, 2022Assignee: Synaptics IncorporatedInventors: Hirobumi Furihata, Takashi Nose, Masao Orio
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Publication number: 20220223081Abstract: A display driver includes control circuitry and image processing circuitry. The control circuitry is configured to store first and second predetermined gamma curve defined for first and second regions of a display panel, respectively, the first region having a different pixel layout than the second region. The control circuitry is further configured to determine first and second modified gamma curves by scaling the first and second predetermined gamma curves with a common scale factor. The image processing circuitry is configured to apply a first gamma transformation based on the first modified gamma curve to a first graylevel defined for a first pixel circuit located in the first region to determine a first output voltage level and apply a second gamma transformation based on the second modified gamma curve to a second graylevel defined for a second pixel circuit located in the second region to determine a second output voltage level.Type: ApplicationFiled: January 13, 2021Publication date: July 14, 2022Applicant: Synaptics IncorporatedInventors: Hirobumi Furihata, Masao Orio, Takashi Nose, Akio Sugiyama
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Publication number: 20220223080Abstract: A display driver includes control circuitry and image processing circuitry. The control circuitry is configured to store a default gamma curve and determine a scaling factor based on a location of a target pixel in a display panel. The control circuitry is further configured to determine a modified gamma curve by scaling the default gamma curve with the scaling factor. The image processing circuitry configured to apply a gamma transformation based on the modified gamma curve to image data defined for the target pixel to generate output voltage data for the target pixel.Type: ApplicationFiled: January 13, 2021Publication date: July 14, 2022Applicant: Synaptics IncorporatedInventors: Hirobumi Furihata, Tomoo Minaki, Masao Orio, Takashi Nose