Patents by Inventor Kazuma KITADANI
Kazuma KITADANI 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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Patent number: 11380287Abstract: A display system including a PC and an HMD, and in the display system, the PC includes an I/F unit configured to output image data, the HMD includes an I/F unit configured to acquire the image data output by the PC, an image display unit configured to superimpose an image on an outside scene visually recognized in a state where the HMD is worn, and to display the image, and a display controller configured to cause the image display unit to display the image data acquired by the I/F unit, and the display controller causes the image display unit to display the image data in correspondence to a position of the PC visually recognized as an outside scene.Type: GrantFiled: February 24, 2021Date of Patent: July 5, 2022Assignee: SEIKO EPSON CORPORATIONInventors: Yuichi Kunitomo, Kazuma Kitadani
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Publication number: 20210183342Abstract: A display system including a PC and an HMD, and in the display system, the PC includes an I/F unit configured to output image data, the HMD includes an I/F unit configured to acquire the image data output by the PC, an image display unit configured to superimpose an image on an outside scene visually recognized in a state where the HMD is worn, and to display the image, and a display controller configured to cause the image display unit to display the image data acquired by the I/F unit, and the display controller causes the image display unit to display the image data in correspondence to a position of the PC visually recognized as an outside scene.Type: ApplicationFiled: February 24, 2021Publication date: June 17, 2021Applicant: SEIKO EPSON CORPORATIONInventors: Yuichi KUNITOMO, Kazuma KITADANI
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Patent number: 10971113Abstract: A display system including a PC and an HMD, and in the display system, the PC includes an I/F unit configured to output image data, the HMD includes an I/F unit configured to acquire the image data output by the PC, an image display unit configured to superimpose an image on an outside scene visually recognized in a state where the HMD is worn, and to display the image, and a display controller configured to cause the image display unit to display the image data acquired by the I/F unit, and the display controller causes the image display unit to display the image data in correspondence to a position of the PC visually recognized as an outside scene.Type: GrantFiled: December 21, 2018Date of Patent: April 6, 2021Assignee: SEIKO EPSON CORPORATIONInventors: Yuichi Kunitomo, Kazuma Kitadani
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Patent number: 10902819Abstract: A connection device to which a PC and a head-mounted image display unit that includes a right display unit and a left display unit configured to display an image are connected, the connection device including a control unit configured to control the right display unit and the left display unit to enable execution of functions including a display function of displaying an image input from the PC and a display stop function of stopping display, wherein the control unit activates the image display unit in a display mode based on a display condition when power supply to the connection device is started, and the display mode includes at least a first display mode in which the image is displayed on the right display unit and the left display unit and the display stop function is disabled.Type: GrantFiled: May 6, 2019Date of Patent: January 26, 2021Assignee: SEIKO EPSON CORPORATIONInventors: Fusashi Kimura, Kazuma Sakata, Kazuma Kitadani, Yuichi Kunitomo
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Patent number: 10732918Abstract: Provided is a display system including a PC and an HMD. The HMD includes an image display unit configured so that an external scenery is visually recognizable, the image display unit being configured to display an image in an overlapping manner with the external scenery and a display control unit configured to cause the image display unit to display an image based on data input from the PC. The display system detects a position of the display unit of the PC with respect to the HMD and adjusts the display in the image display unit when the position of the display unit with respect to the HMD is included in a range of the external scenery visually recognized by the image display unit.Type: GrantFiled: December 21, 2018Date of Patent: August 4, 2020Assignee: SEIKO EPSON CORPORATIONInventors: Yuichi Kunitomo, Kazuma Kitadani
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Publication number: 20190340999Abstract: A connection device to which a PC and a head-mounted image display unit that includes a right display unit and a left display unit configured to display an image are connected, the connection device including a control unit configured to control the right display unit and the left display unit to enable execution of functions including a display function of displaying an image input from the PC and a display stop function of stopping display, wherein the control unit activates the image display unit in a display mode based on a display condition when power supply to the connection device is started, and the display mode includes at least a first display mode in which the image is displayed on the right display unit and the left display unit and the display stop function is disabled.Type: ApplicationFiled: May 6, 2019Publication date: November 7, 2019Applicant: SEIKO EPSON CORPORATIONInventors: Fusashi KIMURA, Kazuma SAKATA, Kazuma KITADANI, Yuichi KUNITOMO
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Publication number: 20190197994Abstract: A display system including a PC and an HMD, and in the display system, the PC includes an I/F unit configured to output image data, the HMD includes an I/F unit configured to acquire the image data output by the PC, an image display unit configured to superimpose an image on an outside scene visually recognized in a state where the HMD is worn, and to display the image, and a display controller configured to cause the image display unit to display the image data acquired by the I/F unit, and the display controller causes the image display unit to display the image data in correspondence to a position of the PC visually recognized as an outside scene.Type: ApplicationFiled: December 21, 2018Publication date: June 27, 2019Applicant: SEIKO EPSON CORPORATIONInventors: Yuichi KUNITOMO, Kazuma KITADANI
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Publication number: 20190196771Abstract: Provided is a display system including a PC and an HMD. The HMD includes an image display unit configured so that an external scenery is visually recognizable, the image display unit being configured to display an image in an overlapping manner with the external scenery and a display control unit configured to cause the image display unit to display an image based on data input from the PC. The display system detects a position of the display unit of the PC with respect to the HMD and adjusts the display in the image display unit when the position of the display unit with respect to the HMD is included in a range of the external scenery visually recognized by the image display unit.Type: ApplicationFiled: December 21, 2018Publication date: June 27, 2019Applicant: SEIKO EPSON CORPORATIONInventors: Yuichi KUNITOMO, Kazuma KITADANI
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Patent number: 10186204Abstract: An electro-optical device includes a display portion, a data line driving circuit, a first retention capacitor that retains the potential of the data line, a driving control circuit, and a display control circuit that supplies brightness information to the driving control circuit and also supplies an image signal to the data line driving circuit. The data line driving circuit includes a potential control line to which a potential control signal is supplied, a third retention capacitor one end of which is connected with the data line and the other one of which is supplied with a potential based on the image signal, and a first transistor that is electrically connected between the other end of the third retention capacitor and the potential control line. The driving control circuit controls the potential of the potential control signal based on the brightness information.Type: GrantFiled: June 2, 2016Date of Patent: January 22, 2019Assignee: SEIKO EPSON CORPORATIONInventors: Shin Fujita, Kazuma Kitadani
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Patent number: 9679521Abstract: An electro-optical device includes a first pixel circuit provided so as to correspond to a first data line, a second pixel circuit provided so as to correspond to a second data line, a first storage capacitor of which one end is connected to the first data line and the other end is potential-shifted according to a current to be supplied to a light emitting element of the first pixel circuit, a second storage capacitor of which one end is connected to the second data line and the other end is potential-shifted according to a current to be supplied to a light emitting element of the second pixel circuit, and a constant potential line provided between the first storage capacitor and the second storage capacitor in plan view.Type: GrantFiled: May 19, 2016Date of Patent: June 13, 2017Assignee: SEIKO EPSON CORPORATIONInventors: Kazuma Kitadani, Takeshi Nomura, Hitoshi Ota
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Patent number: 9495914Abstract: An electro-optical device includes a first pixel circuit provided so as to correspond to a first data line, a second pixel circuit provided so as to correspond to a second data line, a first storage capacitor of which one end is connected to the first data line and the other end is potential-shifted according to a current to be supplied to a light emitting element of the first pixel circuit, a second storage capacitor of which one end is connected to the second data line and the other end is potential-shifted according to a current to be supplied to a light emitting element of the second pixel circuit, and a constant potential line provided between the first storage capacitor and the second storage capacitor in plan view.Type: GrantFiled: November 2, 2015Date of Patent: November 15, 2016Assignee: SEIKO EPSON CORPORATIONInventors: Kazuma Kitadani, Takeshi Nomura, Hitoshi Ota
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Patent number: 9478165Abstract: Provided is an electro-optic device including: a first pixel circuit that is provided corresponding to a position where one scanning line and a first data line are intersect with each other; a second pixel circuit that is provided corresponding to a position where the one scanning line and a second data line are intersect with each other; a first level shift unit circuit that shifts electric potential of a first data signal so as to compress electric potential amplitude of the first data signal with a first compression rate, and supplies the signal to the first data line; and a second level shift unit circuit that shifts electric potential of a second data signal so as to compress electric potential amplitude of the second data signal with a second compression rate different from the first compression rate, and supplies the signal to the second data line.Type: GrantFiled: April 24, 2015Date of Patent: October 25, 2016Assignee: SEIKO EPSON CORPORATIONInventors: Kazuma Kitadani, Shin Fujita
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Publication number: 20160275868Abstract: An electro-optical device includes a display portion, a data line driving circuit, a first retention capacitor that retains the potential of the data line, a driving control circuit, and a display control circuit that supplies brightness information to the driving control circuit and also supplies an image signal to the data line driving circuit. The data line driving circuit includes a potential control line to which a potential control signal is supplied, a third retention capacitor one end of which is connected with the data line and the other one of which is supplied with a potential based on the image signal, and a first transistor that is electrically connected between the other end of the third retention capacitor and the potential control line. The driving control circuit controls the potential of the potential control signal based on the brightness information.Type: ApplicationFiled: June 2, 2016Publication date: September 22, 2016Applicant: SEIKO EPSON CORPORATIONInventors: Shin FUJITA, Kazuma KITADANI
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Publication number: 20160260386Abstract: An electro-optical device includes a first pixel circuit provided so as to correspond to a first data line, a second pixel circuit provided so as to correspond to a second data line, a first storage capacitor of which one end is connected to the first data line and the other end is potential-shifted according to a current to be supplied to a light emitting element of the first pixel circuit, a second storage capacitor of which one end is connected to the second data line and the other end is potential-shifted according to a current to be supplied to a light emitting element of the second pixel circuit, and a constant potential line provided between the first storage capacitor and the second storage capacitor in plan view.Type: ApplicationFiled: May 19, 2016Publication date: September 8, 2016Applicant: SEIKO EPSON CORPORATIONInventors: Kazuma KITADANI, Takeshi NOMURA, Hitoshi OTA
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Patent number: 9384697Abstract: An electro-optical device includes a display portion, a data line driving circuit, a first retention capacitor that retains the potential of the data line, a driving control circuit, and a display control circuit that supplies brightness information to the driving control circuit and also supplies an image signal to the data line driving circuit. The data line driving circuit includes a potential control line to which a potential control signal is supplied, a third retention capacitor one end of which is connected with the data line and the other one of which is supplied with a potential based on the image signal, and a first transistor that is electrically connected between the other end of the third retention capacitor and the potential control line. The driving control circuit controls the potential of the potential control signal based on the brightness information.Type: GrantFiled: January 23, 2013Date of Patent: July 5, 2016Assignee: SEIKO EPSON CORPORATIONInventors: Shin Fujita, Kazuma Kitadani
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Publication number: 20160055804Abstract: An electro-optical device includes a first pixel circuit provided so as to correspond to a first data line, a second pixel circuit provided so as to correspond to a second data line, a first storage capacitor of which one end is connected to the first data line and the other end is potential-shifted according to a current to be supplied to a light emitting element of the first pixel circuit, a second storage capacitor of which one end is connected to the second data line and the other end is potential-shifted according to a current to be supplied to a light emitting element of the second pixel circuit, and a constant potential line provided between the first storage capacitor and the second storage capacitor in plan view.Type: ApplicationFiled: November 2, 2015Publication date: February 25, 2016Inventors: Kazuma KITADANI, Takeshi NOMURA, Hitoshi OTA
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Patent number: 9236030Abstract: An electro-optic device including a pixel circuit that includes an electro-optic element and a driving transistor; a first data generation unit that, during a first period when image display operation is not performed, detects a temperature and generates first data which allows control of brightness of an image in accordance with the detected temperature; and a luminance control unit that, during a second period when image display operation is performed, performs control of luminance of the electro-optic element on the basis of the first data which is generated during the first period.Type: GrantFiled: January 31, 2014Date of Patent: January 12, 2016Assignee: SEIKO EPSON CORPORATIONInventors: Takayuki Kitazawa, Kazuma Kitadani
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Patent number: 9208708Abstract: An electro-optical device includes a first pixel circuit provided so as to correspond to a first data line, a second pixel circuit provided so as to correspond to a second data line, a first storage capacitor of which one end is connected to the first data line and the other end is potential-shifted according to a current to be supplied to a light emitting element of the first pixel circuit, a second storage capacitor of which one end is connected to the second data line and the other end is potential-shifted according to a current to be supplied to a light emitting element of the second pixel circuit, and a constant potential line provided between the first storage capacitor and the second storage capacitor in plan view.Type: GrantFiled: March 14, 2013Date of Patent: December 8, 2015Assignee: SEIKO EPSON CORPORATIONInventors: Kazuma Kitadani, Takeshi Nomura, Hitoshi Ota
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Publication number: 20150228222Abstract: Provided is an electro-optic device including: a first pixel circuit that is provided corresponding to a position where one scanning line and a first data line are intersect with each other; a second pixel circuit that is provided corresponding to a position where the one scanning line and a second data line are intersect with each other; a first level shift unit circuit that shifts electric potential of a first data signal so as to compress electric potential amplitude of the first data signal with a first compression rate, and supplies the signal to the first data line; and a second level shift unit circuit that shifts electric potential of a second data signal so as to compress electric potential amplitude of the second data signal with a second compression rate different from the first compression rate, and supplies the signal to the second data line.Type: ApplicationFiled: April 24, 2015Publication date: August 13, 2015Applicant: SEIKO EPSON CORPORATIONInventors: Kazuma KITADANI, Shin FUJITA
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Patent number: 9107247Abstract: Provided is an electro-optic device including: a first pixel circuit that is provided corresponding to a position where one scanning line and a first data line are intersect with each other; a second pixel circuit that is provided corresponding to a position where the one scanning line and a second data line are intersect with each other; a first level shift unit circuit that shifts electric potential of a first data signal so as to compress electric potential amplitude of the first data signal with a first compression rate, and supplies the signal to the first data line; and a second level shift unit circuit that shifts electric potential of a second data signal so as to compress electric potential amplitude of the second data signal with a second compression rate different from the first compression rate, and supplies the signal to the second data line.Type: GrantFiled: March 14, 2013Date of Patent: August 11, 2015Assignee: SEIKO EPSON CORPORATIONInventors: Kazuma Kitadani, Shin Fujita