Patents by Inventor Yusuke Onoyama
Yusuke Onoyama 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: 11971543Abstract: There is provided a display control apparatus capable of displaying a high-quality image while inhibiting a load at the time of displaying the image in front of a user. There is provided a display control apparatus including a signal processing unit that performs signal processing in which a first mode and a second mode are switchable at a first region in a screen and a region other than the first region in the screen, display being performed at a first resolution in the first mode, display being performed at a second resolution in the second mode, in which the signal processing unit performs display while reducing a resolution in the second mode toward an outer periphery of the screen.Type: GrantFiled: April 29, 2022Date of Patent: April 30, 2024Assignee: SONY GROUP CORPORATIONInventor: Yusuke Onoyama
-
Publication number: 20230178018Abstract: A display device includes a pixel array unit formed by disposing pixel circuits having a P-channel type drive transistor that drives a light-emitting unit, a sampling transistor that applies a signal voltage, a light emission control transistor that controls emission/non-emission of the light-emitting unit, a storage capacitor that is connected between a gate electrode and a source electrode of the drive transistor and an auxiliary capacitor that is connected to the source electrode, and a drive unit that, during threshold correction, respectively applies a first voltage and a second voltage to the source electrode of the drive transistor and the gate electrode thereof, the difference between the first voltage and the second voltage being less than a threshold voltage of the drive transistor, and subsequently performs driving that applies a standard voltage used in threshold correction to the gate electrode when the source electrode is in a floating state.Type: ApplicationFiled: September 6, 2022Publication date: June 8, 2023Inventors: Yusuke Onoyama, Junichi Yamashita, Naobumi Toyomura
-
Patent number: 11551617Abstract: Provided is a display device including a driving transistor, a switching unit, and a control unit. The driving transistor includes a control terminal, a first terminal, and a second terminal, and controls supply of current to a light emitting element, which is connected to the first terminal and emits light in accordance with the current amount, in accordance with a signal voltage applied to the control terminal. The switching unit can switch a conduction and non-conduction state, and, by being brought in the conduction state, forms a path that bypasses the light emitting element so that the current is not supplied to the light emitting element. The control unit performs control so that the switching unit is brought in the non-conduction state after the signal voltage is written into the control terminal, and controls a potential of the control terminal in synchronization with the control of the switching unit.Type: GrantFiled: January 21, 2019Date of Patent: January 10, 2023Assignee: Sony Group CorporationInventors: Kei Kimura, Yusuke Onoyama
-
Publication number: 20220397760Abstract: There is provided a display control apparatus capable of displaying a high-quality image while inhibiting a load at the time of displaying the image in front of a user. There is provided a display control apparatus including a signal processing unit that performs signal processing in which a first mode and a second mode are switchable at a first region in a screen and a region other than the first region in the screen, display being performed at a first resolution in the first mode, display being performed at a second resolution in the second mode, in which the signal processing unit performs display while reducing a resolution in the second mode toward an outer periphery of the screen.Type: ApplicationFiled: April 29, 2022Publication date: December 15, 2022Inventor: YUSUKE ONOYAMA
-
Patent number: 11521551Abstract: Provided is a display device including: a pixel array unit in which pixels including a light-emitting unit are arranged in a matrix shape; two drive units which are disposed on the same substrate as the pixel array unit with the pixel array unit interposed therebetween, which have output stages in a number that is half of the number of pixel rows of the pixel array unit, and in which the output stages are in charge of driving of pixels on an odd row side and on an even row side; and a control unit which performs control of driving the pixels on the odd row side by using the output stages of one drive unit between the two drive units, of driving the pixels on the even row side by using the output stages of the other drive unit, and of inverting the driving for each field.Type: GrantFiled: March 13, 2015Date of Patent: December 6, 2022Assignee: Sony Group CorporationInventors: Yusuke Onoyama, Kei Kimura
-
Patent number: 11462159Abstract: A display device includes a pixel array unit formed by disposing pixel circuits having a P-channel type drive transistor that drives a light-emitting unit, a sampling transistor that applies a signal voltage, a light emission control transistor that controls emission/non-emission of the light-emitting unit, a storage capacitor that is connected between a gate electrode and a source electrode of the drive transistor and an auxiliary capacitor that is connected to the source electrode, and a drive unit that, during threshold correction, respectively applies a first voltage and a second voltage to the source electrode of the drive transistor and the gate electrode thereof, the difference between the first voltage and the second voltage being less than a threshold voltage of the drive transistor, and subsequently performs driving that applies a standard voltage used in threshold correction to the gate electrode when the source electrode is in a floating state.Type: GrantFiled: March 12, 2020Date of Patent: October 4, 2022Assignee: Sony Group CorporationInventors: Yusuke Onoyama, Junichi Yamashita, Naobumi Toyomura
-
Patent number: 11347052Abstract: There is provided a display control apparatus capable of displaying a high-quality image while inhibiting a load at the time of displaying the image in front of a user. There is provided a display control apparatus including a signal processing unit that performs signal processing in which a first mode and a second mode are switchable at a first region in a screen and a region other than the first region in the screen, display being performed at a first resolution in the first mode, display being performed at a second resolution in the second mode, in which the signal processing unit performs display while reducing a resolution in the second mode toward an outer periphery of the screen.Type: GrantFiled: September 3, 2018Date of Patent: May 31, 2022Assignee: SONY CORPORATIONInventor: Yusuke Onoyama
-
Patent number: 10984729Abstract: A gray-scale voltage generating circuit includes: a ladder resistor circuit including a plurality of resistors connected in series to one another, and configured to output a plurality of gray-scale voltages with different voltage values from ends of the respective resistors; and a constant current source configured to be connected in series to the ladder resistor circuit, in which the constant current source includes a current source transistor configured to be connected in series to the ladder resistor circuit, and a voltage setting section configured to select one voltage from the plurality of voltages and set the selected voltage as a voltage determining a current that is to flow through the current source transistor.Type: GrantFiled: February 27, 2018Date of Patent: April 20, 2021Assignee: SONY CORPORATIONInventors: Kei Kimura, Yusuke Onoyama, Junichi Yamashita
-
Patent number: 10909919Abstract: Provided is a display device in which a pixel circuit is arranged, the pixel circuit including a P channel type driving transistor that drives a light emitting unit, a sampling transistor that samples a signal voltage, a light emission control transistor that controls light emission/non-light emission of the light emitting unit, a holding capacitor that is connected between a gate electrode and a source electrode of the driving transistor, and holds the signal voltage written by the sampling by the sampling transistor, and an auxiliary capacitor that is connected between the source electrode of the driving transistor and a node having fixed potential, the display device including: a current path that flows a current flowing in the driving transistor in a non-light emission period of the light emitting unit into a predetermined node.Type: GrantFiled: May 7, 2018Date of Patent: February 2, 2021Assignee: Sony CorporationInventors: Naobumi Toyomura, Yusuke Onoyama, Junichi Yamashita
-
Patent number: 10885837Abstract: A display device includes: a plurality of light-emitting elements, each light-emitting element having a light-emitting unit and a driving circuit for driving the light-emitting unit. The driving circuit at least includes a drive transistor having source/drain regions, a channel forming region, and a gate electrode, a video signal write transistor having source/drain regions, a channel forming region, and a gate electrode, and a capacitive unit. In the drive transistor, one of the source/drain regions is connected to the corresponding current supply line, the other region of the source/drain regions is connected to the light-emitting unit and connected to one end of the capacitive unit, and forms a second node, and the gate electrode is connected to the other region of the source/drain regions of the video signal write transistor and connected to the other end of the capacitive unit, and forms a first node.Type: GrantFiled: April 30, 2018Date of Patent: January 5, 2021Assignee: Sony CorporationInventors: Junichi Yamashita, Yusuke Onoyama, Tetsuo Minami, Naobumi Toyomura, Tetsuro Yamamoto, Katsuhide Uchino
-
Publication number: 20200320931Abstract: A display device includes a pixel array unit formed by disposing pixel circuits having a P-channel type drive transistor that drives a light-emitting unit, a sampling transistor that applies a signal voltage, a light emission control transistor that controls emission/non-emission of the light-emitting unit, a storage capacitor that is connected between a gate electrode and a source electrode of the drive transistor and an auxiliary capacitor that is connected to the source electrode, and a drive unit that, during threshold correction, respectively applies a first voltage and a second voltage to the source electrode of the drive transistor and the gate electrode thereof, the difference between the first voltage and the second voltage being less than a threshold voltage of the drive transistor, and subsequently performs driving that applies a standard voltage used in threshold correction to the gate electrode when the source electrode is in a floating state.Type: ApplicationFiled: March 12, 2020Publication date: October 8, 2020Inventors: Yusuke Onoyama, Junichi Yamashita, Naobumi Toyomura
-
Publication number: 20200249478Abstract: There is provided a display control apparatus capable of displaying a high-quality image while inhibiting a load at the time of displaying the image in front of a user. There is provided a display control apparatus including a signal processing unit that performs signal processing in which a first mode and a second mode are switchable at a first region in a screen and a region other than the first region in the screen, display being performed at a first resolution in the first mode, display being performed at a second resolution in the second mode, in which the signal processing unit performs display while reducing a resolution in the second mode toward an outer periphery of the screen.Type: ApplicationFiled: September 3, 2018Publication date: August 6, 2020Inventor: YUSUKE ONOYAMA
-
Patent number: 10621911Abstract: A display device includes a pixel array unit formed by disposing pixel circuits having a P-channel type drive transistor that drives a light-emitting unit, a sampling transistor that applies a signal voltage, a light emission control transistor that controls emission/non-emission of the light-emitting unit, a storage capacitor that is connected between a gate electrode and a source electrode of the drive transistor and an auxiliary capacitor that is connected to the source electrode, and a drive unit that, during threshold correction, respectively applies a first voltage and a second voltage to the source electrode of the drive transistor and the gate electrode thereof, the difference between the first voltage and the second voltage being less than a threshold voltage of the drive transistor, and subsequently performs driving that applies a standard voltage used in threshold correction to the gate electrode when the source electrode is in a floating state.Type: GrantFiled: May 28, 2014Date of Patent: April 14, 2020Assignee: Sony CorporationInventors: Yusuke Onoyama, Junichi Yamashita, Naobumi Toyomura
-
Patent number: 10541705Abstract: A digital/analog converter circuit includes: a decoding unit that performs decoding processing on a bit signal in a predetermined part of a digital signal; and a selector circuit that selects and outputs a voltage depending on an output of the decoding unit, in which a switching device is disposed on at least one of inside of the decoding unit and an output unit side of the decoding unit, the switching device being controlled by a control signal different from the hit signal as a target for the decoding processing.Type: GrantFiled: February 15, 2017Date of Patent: January 21, 2020Assignee: Sony CorporationInventor: Yusuke Onoyama
-
Publication number: 20190197955Abstract: A display device includes a pixel array unit formed by disposing pixel circuits having a P-channel type drive transistor that drives a light-emitting unit, a sampling transistor that applies a signal voltage, a light emission control transistor that controls emission/non-emission of the light-emitting unit, a storage capacitor that is connected between a gate electrode and a source electrode of the drive transistor and an auxiliary capacitor that is connected to the source electrode, and a drive unit that, during threshold correction, respectively applies a first voltage and a second voltage to the source electrode of the drive transistor and the gate electrode thereof, the difference between the first voltage and the second voltage being less than a threshold voltage of the drive transistor, and subsequently performs driving that applies a standard voltage used in threshold correction to the gate electrode when the source electrode is in a floating state.Type: ApplicationFiled: March 5, 2019Publication date: June 27, 2019Inventors: Yusuke Onoyama, Junichi Yamashita, Naobumi Toyomura
-
Publication number: 20190156762Abstract: Provided is a display device including a driving transistor, a switching unit, and a control unit. The driving transistor includes a control terminal, a first terminal, and a second terminal, and controls supply of current to a light emitting element, which is connected to the first terminal and emits light in accordance with the current amount, in accordance with a signal voltage applied to the control terminal. The switching unit can switch a conduction and non-conduction state, and, by being brought in the conduction state, forms a path that bypasses the light emitting element so that the current is not supplied to the light emitting element. The control unit performs control so that the switching unit is brought in the non-conduction state after the signal voltage is written into the control terminal, and controls a potential of the control terminal in synchronization with the control of the switching unit.Type: ApplicationFiled: January 21, 2019Publication date: May 23, 2019Inventors: Kei Kimura, Yusuke Onoyama
-
Patent number: 10210813Abstract: Provided is a display device including a driving transistor, a switching unit, and a control unit. The driving transistor includes a control terminal, a first terminal, and a second terminal, and controls supply of current to a light emitting element, which is connected to the first terminal and emits light in accordance with the current amount, in accordance with a signal voltage applied to the control terminal. The switching unit can switch a conduction and non-conduction state, and, by being brought in the conduction state, forms a path that bypasses the light emitting element so that the current is not supplied to the light emitting element. The control unit performs control so that the switching unit is brought in the non-conduction state after the signal voltage is written into the control terminal, and controls a potential of the control terminal in synchronization with the control of the switching unit.Type: GrantFiled: March 13, 2017Date of Patent: February 19, 2019Assignee: Sony CorporationInventors: Kei Kimura, Yusuke Onoyama
-
Publication number: 20190052283Abstract: A digital/analog converter circuit includes: a decoding unit that performs decoding processing on a bit signal in a predetermined part of a digital signal; and a selector circuit that selects and outputs a voltage depending on an output of the decoding unit, in which a switching device is disposed on at least one of inside of the decoding unit and an output unit side of the decoding unit, the switching device being controlled by a control signal different from the hit signal as a target for the decoding processing.Type: ApplicationFiled: February 15, 2017Publication date: February 14, 2019Inventor: Yusuke Onoyama
-
Publication number: 20180261156Abstract: A display device includes: a plurality of light-emitting elements, each light-emitting element having a light-emitting unit and a driving circuit for driving the light-emitting unit. The driving circuit at least includes (A) a drive transistor having source/drain regions, a channel forming region, and a gate electrode, (B) a video signal write transistor having source/drain regions, a channel forming region, and a gate electrode, and (C) a capacitive unit. In the drive transistor, (A-1) one of the source/drain regions is connected to the corresponding current supply line, (A-2) the other region of the source/drain regions is connected to the light-emitting unit and connected to one end of the capacitive unit, and forms a second node, and (A-3) the gate electrode is connected to the other region of the source/drain regions of the video signal write transistor and connected to the other end of the capacitive unit, and forms a first node.Type: ApplicationFiled: April 30, 2018Publication date: September 13, 2018Applicant: Sony CorporationInventors: Junichi YAMASHITA, Yusuke ONOYAMA, Tetsuo MINAMI, Naobumi TOYOMURA, Tetsuro YAMAMOTO, Katsuhide UCHINO
-
Publication number: 20180254008Abstract: Provided is a display device in which a pixel circuit is arranged, the pixel circuit including a P channel type driving transistor that drives a light emitting unit, a sampling transistor that samples a signal voltage, a light emission control transistor that controls light emission/non-light emission of the light emitting unit, a holding capacitor that is connected between a gate electrode and a source electrode of the driving transistor, and holds the signal voltage written by the sampling by the sampling transistor, and an auxiliary capacitor that is connected between the source electrode of the driving transistor and a node having fixed potential, the display device including: a current path that flows a current flowing in the driving transistor in a non-light emission period of the light emitting unit into a predetermined node.Type: ApplicationFiled: May 7, 2018Publication date: September 6, 2018Inventors: Naobumi Toyomura, Yusuke Onoyama, Junichi Yamashita