Patents by Inventor Kazuhiro Nukiyama
Kazuhiro Nukiyama 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: 20230410733Abstract: The present technology relates to a signal processing apparatus, a signal processing method, and a display apparatus that are able to provide suitable functionality according to applications. The signal processing apparatus provided by the present technology includes a signal processing section that acquires at least one of first information regarding a color of a video to be displayed on a panel section, second information regarding brightness of a screen of the panel section, and third information measured as a physical quantity related to the panel section, and that performs, on the basis of the acquired information, adaptive control of a voltage according to a load on and an application of the panel section. The voltage is used for driving the panel section. The present technology is applicable, for example, to a self-luminous display apparatus.Type: ApplicationFiled: August 31, 2023Publication date: December 21, 2023Applicant: Sony Group CorporationInventors: Masao Zen, Tetsuo Ikeyama, Daisuke Miki, Syunsuke Kikuchi, Kazuhiro Nukiyama, Kazutaka Kobayashi, Yasushi Konuma, Kazuki Uchida, Masayoshi Sasaki, Masayuki Okochi
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Publication number: 20230402003Abstract: The present technology relates to a signal processing apparatus, a signal processing method, and a display apparatus that may reduce the effect of deterioration in element of a display panel. Provided is a signal processing apparatus including a signal processing unit configured to acquire, in changing a video signal from a low luminance display signal to a high luminance display signal by luminance enhancement, an accumulated load increase amount obtained by measuring and accumulating amounts of increase in load on a display panel caused by luminance enhancement, and adaptively control, in reference to the accumulated load increase amount acquired, a first gain for improving luminance of the video signal, according to a degree of effect of deterioration in element of the display panel. The present technology is applicable to self-luminous display apparatuses, for example.Type: ApplicationFiled: August 28, 2023Publication date: December 14, 2023Applicant: Sony Group CorporationInventors: Masao Zen, Syunsuke Kikuchi, Daisuke Miki, Kazuhiro Nukiyama, Kazutaka Kobayashi, Yasushi Konuma, Kazuki Uchida
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Patent number: 11817048Abstract: The present technology relates to a signal processing apparatus, a signal processing method, and a display apparatus that are able to provide suitable functionality according to applications. The signal processing apparatus provided by the present technology includes a signal processing section that acquires at least one of first information regarding a color of a video to be displayed on a panel section, second information regarding brightness of a screen of the panel section, and third information measured as a physical quantity related to the panel section, and that performs, on the basis of the acquired information, adaptive control of a voltage according to a load on and an application of the panel section. The voltage is used for driving the panel section. The present technology is applicable, for example, to a self-luminous display apparatus.Type: GrantFiled: April 19, 2021Date of Patent: November 14, 2023Inventors: Masao Zen, Tetsuo Ikeyama, Daisuke Miki, Syunsuke Kikuchi, Kazuhiro Nukiyama, Kazutaka Kobayashi, Yasushi Konuma, Kazuki Uchida, Masayoshi Sasaki, Masayuki Okochi
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Patent number: 11790843Abstract: The present technology relates to a signal processing apparatus, a signal processing method, and a display apparatus that may reduce the effect of deterioration in element of a display panel. Provided is a signal processing apparatus including a signal processing unit configured to acquire, in changing a video signal from a low luminance display signal to a high luminance display signal by luminance enhancement, an accumulated load increase amount obtained by measuring and accumulating amounts of increase in load on a display panel caused by luminance enhancement, and adaptively control, in reference to the accumulated load increase amount acquired, a first gain for improving luminance of the video signal, according to a degree of effect of deterioration in element of the display panel. The present technology is applicable to self-luminous display apparatuses, for example.Type: GrantFiled: April 19, 2021Date of Patent: October 17, 2023Inventors: Masao Zen, Syunsuke Kikuchi, Daisuke Miki, Kazuhiro Nukiyama, Kazutaka Kobayashi, Yasushi Konuma, Kazuki Uchida
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Publication number: 20230140888Abstract: The present technology relates to a signal processing apparatus, a signal processing method, and a display apparatus that may reduce the effect of deterioration in element of a display panel. Provided is a signal processing apparatus including a signal processing unit configured to acquire, in changing a video signal from a low luminance display signal to a high luminance display signal by luminance enhancement, an accumulated load increase amount obtained by measuring and accumulating amounts of increase in load on a display panel caused by luminance enhancement, and adaptively control, in reference to the accumulated load increase amount acquired, a first gain for improving luminance of the video signal, according to a degree of effect of deterioration in element of the display panel. The present technology is applicable to self-luminous display apparatuses, for example.Type: ApplicationFiled: April 19, 2021Publication date: May 11, 2023Applicant: Sony Group CorporationInventors: Masao Zen, Syunsuke Kikuchi, Daisuke Miki, Kazuhiro Nukiyama, Kazutaka Kobayashi, Yasushi Konuma, Kazuki Uchida
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Publication number: 20230125418Abstract: The present technology relates to a signal processing apparatus, a signal processing method, and a display apparatus that are able to provide suitable functionality according to applications. The signal processing apparatus provided by the present technology includes a signal processing section that acquires at least one of first information regarding a color of a video to be displayed on a panel section, second information regarding brightness of a screen of the panel section, and third information measured as a physical quantity related to the panel section, and that performs, on the basis of the acquired information, adaptive control of a voltage according to a load on and an application of the panel section. The voltage is used for driving the panel section. The present technology is applicable, for example, to a self-luminous display apparatus.Type: ApplicationFiled: April 19, 2021Publication date: April 27, 2023Applicant: Sony Group CorporationInventors: Masao Zen, Tetsuo Ikeyama, Daisuke Miki, Syunsuke Kikuchi, Kazuhiro Nukiyama, Kazutaka Kobayashi, Yasushi Konuma, Kazuki Uchida, Masayoshi Sasaki, Masayuki Okochi
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Publication number: 20230018404Abstract: The present technology relates to a signal processing device, a signal processing method, and a display device for enabling more appropriate improvement of hold blur. There is provided a signal processing device including a detection unit that analyzes a video signal of content and detects an index that correlates with hold blur, a first calculation unit that calculates a light emission duty value of a self-luminous display panel on the basis of the detected index, and a second calculation unit that calculates a gain for luminance compensation on the basis of the calculated light emission duty value. The present technology can be applied to, for example, a self-luminous display device.Type: ApplicationFiled: December 14, 2020Publication date: January 19, 2023Inventors: MASAO ZEN, KAZUHIRO NUKIYAMA, SYUNSUKE KIKUCHI
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Patent number: 8581821Abstract: An LCD device includes a display unit including pixels having a multi-pixel structure; first and second driving units that drive scanning and signal lines, respectively; an image acquisition unit, and a control unit. Each of the pixels includes first and second pixels, and first and second pixels of pixels are connected to two corresponding signal lines in a checkerboard manner. The first driving unit is controlled to repeatedly scan a first sub-frame of odd lines and a second sub-frame of even lines, and the second driving unit is controlled in such a manner that the polarity of the first pixel of a pixel differs from that of the second pixel of the pixel, the polarities of the adjacent first pixels differ from each other and those of the adjacent second pixels differ from each other, and a polarity signal is inverted when switching is performed between first and second sub-frames.Type: GrantFiled: March 23, 2009Date of Patent: November 12, 2013Assignee: Sony CorporationInventors: Tsuyoshi Kamada, Toshiaki Suzuki, Kazuhiro Nukiyama
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Patent number: 8194104Abstract: In a case where each of pixels of a liquid-crystal display panel is divided into two subpixels, the drive levels of the subpixels with respect to the gradation of an input video signal can be selected from among a plurality of drive levels while an increase in the circuit scale is suppressed. Thus, in the present invention, a first subpixel driving level converter for, on the basis of the gradation value of each pixel of the input video signal, obtaining a first gradation value for driving a first subpixel is provided, and the first subpixel is driven and controlled on the basis of the first gradation value. Then, the first gradation value obtained by the first subpixel driving level converter is converted into a luminance value, and a difference with the luminance value such that the gradation values of the whole pixels are converted is obtained. The obtained difference is converted into a gradation value, and a second gradation value for driving a second subpixel is obtained.Type: GrantFiled: March 28, 2008Date of Patent: June 5, 2012Assignee: Sony CorporationInventors: Toshiaki Suzuki, Kazuhiro Nukiyama, Tsuyoshi Kamada
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Patent number: 8144095Abstract: An image display device applies a higher voltage than the original voltage to the pixel, without causing deterioration of the display quality. The image display device includes a plurality of pixels each including a main capacitive element as a display element performing display operation in accordance with image data supplied to one end thereof. An auxiliary capacitive element has one end connected to the one end of the main capacitive element. A drive circuit drives each of the pixels, while supplying an additional potential to the other end of the auxiliary capacitive element in each of the pixels. The additional potential is individually determined so that a voltage between both ends of the main capacitive element rises higher than an original voltage.Type: GrantFiled: April 3, 2008Date of Patent: March 27, 2012Assignee: Sony CorporationInventors: Kazuhiro Nukiyama, Toshiaki Suzuki, Tsuyoshi Kamada
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Publication number: 20100118061Abstract: In a case where each of pixels of a liquid-crystal display panel is divided into two subpixels, the drive levels of the subpixels with respect to the gradation of an input video signal can be selected from among a plurality of drive levels while an increase in the circuit scale is suppressed. Thus, in the present invention, a first subpixel driving level converter for, on the basis of the gradation value of each pixel of the input video signal, obtaining a first gradation value for driving a first subpixel is provided, and the first subpixel is driven and controlled on the basis of the first gradation value. Then, the first gradation value obtained by the first subpixel driving level converter is converted into a luminance value, and a difference with the luminance value such that the gradation values of the whole pixels are converted is obtained. The obtained difference is converted into a gradation value, and a second gradation value for driving a second subpixel is obtained.Type: ApplicationFiled: March 28, 2008Publication date: May 13, 2010Applicant: SONY CORPORATIONInventors: Toshiaki Suzuki, Kazuhiro Nukiyama, Tsuyoshi Kamada
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Publication number: 20100045685Abstract: A liquid crystal display device with shorter response time and simpler configuration is provided. The liquid crystal display device including: a plurality of pixels each including a liquid crystal element; and a driving section performing an image display driving by applying a driving voltage based on a video signal to the liquid crystal element in each of the pixels. The driving section performs an overdrive processing on the video signal of current frame to generate an overdriven video signal based on a current frame image and an immediately preceding frame image of the input images based on the video signals, and based on immediately-preceding-state information which is additional information briefly representing a immediately preceding state of the liquid crystal element of the pixel.Type: ApplicationFiled: August 18, 2009Publication date: February 25, 2010Applicant: Sony CorporationInventors: Toshiaki Suzuki, Kazuhiro Nukiyama, Hisashi Mamiya, Koichi Sono
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Publication number: 20090237345Abstract: An LCD device includes a display unit including pixels having a multi-pixel structure; first and second driving units that drive scanning and signal lines, respectively; an image acquisition unit, and a control unit. Each of the pixels includes first and second pixels, and first and second pixels of pixels are connected to two corresponding signal lines in a checkerboard manner. The first driving unit is controlled to repeatedly scan a first sub-frame of odd lines and a second sub-frame of even lines, and the second driving unit is controlled in such a manner that the polarity of the first pixel of a pixel differs from that of the second pixel of the pixel, the polarities of the adjacent first pixels differ from each other and those of the adjacent second pixels differ from each other, and a polarity signal is inverted when switching is performed between first and second sub-frames.Type: ApplicationFiled: March 23, 2009Publication date: September 24, 2009Inventors: Tsuyoshi KAMADA, Toshiaki Suzuki, Kazuhiro Nukiyama
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Patent number: 7499061Abstract: An image signal processing device is provided, which has therein a memory to store a first correction parameter to convert a specific region of display image of a display panel, a first coefficient generating section to generate a first coefficient for each pixel in a display panel based on the first correction parameter, a first correction value generating section to generate a first correction value for each pixel based on an input image signal, a first multiplier to multiply the first coefficient by the first correction value for each pixel and output a first multiplied value, and a first adder to add or subtract for each pixel the first multiplied value to or from the input image signal.Type: GrantFiled: April 11, 2005Date of Patent: March 3, 2009Assignee: Sharp Kabushiki KaishaInventors: Katsuyoshi Hiraki, Kazuhiro Nukiyama, Hiroshi Yamazaki, Toshiaki Suzuki
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Publication number: 20080246714Abstract: An image display device capable of applying a higher voltage than the original voltage to the pixel, without causing deterioration of the display quality is provided. The image display device includes: a plurality of pixels each including a main capacitive element as a display element performing display operation in accordance with image data supplied to one end thereof, and an auxiliary capacitive element having one end connected to the one end of the main capacitive element, and driving means for driving each of the pixels, while supplying an additional potential to the other end of the auxiliary capacitive element in each of the pixels, the additional potential being individually determined so that a voltage between both ends of the main capacitive element rises higher than an original voltage.Type: ApplicationFiled: April 3, 2008Publication date: October 9, 2008Applicant: Sony CorporationInventors: Kazuhiro NUKIYAMA, Toshiaki Suzuki, Tsuyoshi Kamada
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Patent number: 7253810Abstract: A liquid crystal display can operate with as small a number of control signals supplied to individual drivers as possible while current control functions are maintained. The liquid crystal display comprises a liquid crystal panel containing a data line, a data driver driving a data line, and a controller outputting N control functions controlling a driving operation the data driver driving the data line through less than or equal to (N?1) control signal lines connected to the data driver.Type: GrantFiled: January 31, 2003Date of Patent: August 7, 2007Assignee: Sharp Kabushiki KaishaInventors: Takae Ito, Kazuhiro Nukiyama
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Publication number: 20060274016Abstract: A liquid crystal display can operate with as the small number of control signals supplied to individual drivers as possible while current control functions are maintained. The liquid crystal display comprises a liquid crystal panel containing a data line, a data driver driving a data line, and a controller outputting N control functions controlling a driving operation the data driver driving the data line to less than or equal to (N-1) control signal lines connected to the data driver.Type: ApplicationFiled: August 17, 2006Publication date: December 7, 2006Inventors: Takae Ito, Kazuhiro Nukiyama
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Publication number: 20060012606Abstract: An image signal processing device is provided, which has therein a memory to store a first correction parameter to convert a specific region of display image of a display panel, a first coefficient generating section to generate a first coefficient for each pixel in a display panel based on the first correction parameter, a first correction value generating section to generate a first correction value for each pixel based on an input image signal, a first multiplier to multiply the first coefficient by the first correction value for each pixel and output a first multiplied value, and a first adder to add or subtract for each pixel the first multiplied value to or from the input image signal.Type: ApplicationFiled: April 11, 2005Publication date: January 19, 2006Inventors: Katsuyoshi Hiraki, Kazuhiro Nukiyama, Hiroshi Yamazaki, Toshiaki Suzuki
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Patent number: 6900787Abstract: A timing control circuit provides at least a driver control signal and a display data signal to a driver circuit of a display panel such that a predetermined image is displayed on the display panel, dispensing with an external source providing the signals, thereby an EMI measurement of a display apparatus can be performed without influences from an external source and a cable that connects the external source to the display apparatus to be examined.Type: GrantFiled: March 20, 2002Date of Patent: May 31, 2005Assignee: Fujitsu Display Technologies CorporationInventor: Kazuhiro Nukiyama
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Publication number: 20050093798Abstract: A circuit for display correction includes a memory which stores first data indicative of size and position of a rectangular region on a display screen and second data indicative of gray level changes in a surrounding region around the rectangular region in an isometric manner with respect to a horizontal direction and a vertical direction, and an image processing unit which adjusts gray levels of image data in response to the first data and the second data stored in the memory.Type: ApplicationFiled: May 11, 2004Publication date: May 5, 2005Inventors: Tsuyoshi Kamada, Kazuhiro Nukiyama, Toshiaki Suzuki