Patents by Inventor Kouji Noguchi
Kouji Noguchi 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: 20150070318Abstract: Disclosed herein is a display device, including: a display surface; a display functional layer adapted to control the display of a screen viewed from outside the display surface; a drive control section operable to perform display scanning and driving adapted to scan and drive, in the one direction, the plurality of drive electrodes, and also operable to perform, a plurality of times and for M display screens, detection scanning and driving adapted to continuously scan and drive all or part of the plurality of drive electrodes within the period of time; and a plurality of sensor lines arranged in a direction other than the one direction to be separate from each other, which produce an electrical change if an object to be detected comes in contact with or proximity to the display surface while the drive control section performs the detection scanning and driving.Type: ApplicationFiled: November 17, 2014Publication date: March 12, 2015Inventors: Kouji NOGUCHI, Takayuki NAKANISHI, Koji ISHIZAKI, Yasuyuki TERANISHI, Takeya TAKEUCHI
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Patent number: 8976123Abstract: The display device with high detection accuracy includes: display pixel electrodes; a common electrode; a display function layer; a display control circuit performing image display control by applying a pixel voltage to each of the display pixel electrodes and applying a common drive voltage to the common electrode, the common drive voltage inverting in synchronization with a drive cycle of the image display control; a touch detection electrode cooperating with the common electrode to form a capacitor; and a touch detection circuit detecting an external proximity object, based on a detection signal obtained from the touch detection electrode in response to the common drive voltage applied to the common electrode. The touch detection circuit corrects the detection signal based on a gray scale of the image signal at the time of acquisition of the detection signal, and performs the detection operation.Type: GrantFiled: April 22, 2010Date of Patent: March 10, 2015Assignee: Japan Display West, Inc.Inventors: Kouji Noguchi, Takayuki Nakanishi, Koji Ishizaki, Takeya Takeuchi, Yasuyuki Teranishi
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Patent number: 8947371Abstract: Disclosed herein is a display device, including: a display surface; a display functional layer adapted to control the display of a screen viewed from outside the display surface; a drive control section operable to perform display scanning and driving adapted to scan and drive, in the one direction, the plurality of drive electrodes, and also operable to perform, a plurality of times and for M display screens, detection scanning and driving adapted to continuously scan and drive all or part of the plurality of drive electrodes within the period of time; and a plurality of sensor lines arranged in a direction other than the one direction to be separate from each other, which produce an electrical change if an object to be detected comes in contact with or proximity to the display surface while the drive control section performs the detection scanning and driving.Type: GrantFiled: June 3, 2010Date of Patent: February 3, 2015Assignee: Japan Display, Inc.Inventors: Kouji Noguchi, Takayuki Nakanishi, Koji Ishizaki, Yasuyuki Teranishi, Takeya Takeuchi
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Publication number: 20140333877Abstract: An image display apparatus including an image display panel that includes: a first color filter for passing light of a first primary and first auxiliary pixels for displaying the first primary; a second color filter for passing light of a second primary and second auxiliary pixels for displaying the second primary; a third color filter for passing light of a third primary and third auxiliary pixels for displaying the third primary; and fourth auxiliary pixels for displaying a fourth color; the first auxiliary pixels, the second auxiliary pixels, the third auxiliary pixels, and the fourth auxiliary pixels being arranged in a two-dimensional matrix, and a light shielding region disposed at least partly around the peripheral edge of each of the fourth auxiliary pixels.Type: ApplicationFiled: July 24, 2014Publication date: November 13, 2014Inventors: Yasuyuki Matsui, Masaaki Kabe, Akira Sakaigawa, Kouji Noguchi, Kenta Seki
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Patent number: 8823907Abstract: An image display apparatus including an image display panel includes: a first color filter for passing light of a first primary and first auxiliary pixels for displaying the first primary; a second color filter for passing light of a second primary and second auxiliary pixels for displaying the second primary; a third color filter for passing light of a third primary and third auxiliary pixels for displaying the third primary; and fourth auxiliary pixels for displaying a fourth color; the first auxiliary pixels, the second auxiliary pixels, the third auxiliary pixels, and the fourth auxiliary pixels being arranged in a two-dimensional matrix, and a light shielding region disposed at least partly around the peripheral edge of each of the fourth auxiliary pixels.Type: GrantFiled: August 16, 2013Date of Patent: September 2, 2014Assignee: Japan Display West Inc.Inventors: Yasuyuki Matsui, Masaaki Kabe, Akira Sakaigawa, Kouji Noguchi, Kenta Seki
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Publication number: 20140204060Abstract: A touch sensor that may detect an object away from the sensor is provided. The touch sensor includes one or more drive electrodes; one or more detection electrodes forming capacitance in cooperation with the respective drive electrodes; a detection circuit applying drive signals to the respective drive electrodes to detect the object based on detection signals obtained from the respective detection electrodes in response to the respective drive signals; and a controller controlling to change a range of electric flux lines generated between the drive electrodes and the detection electrodes.Type: ApplicationFiled: March 26, 2014Publication date: July 24, 2014Applicant: Japan Display West Inc.Inventors: Koji ISHIZAKI, Kouji NOGUCHI, Tsutomu HARADA, Takeya TAKEUCHI, Yoshitoshi KIDA, Takayuki NAKANISHI
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Patent number: 8723841Abstract: A touch sensor that may detect an object away from the sensor is provided. The touch sensor includes one or more drive electrodes; one or more detection electrodes forming capacitance in cooperation with the respective drive electrodes; a detection circuit applying drive signals to the respective drive electrodes to detect the object based on detection signals obtained from the respective detection electrodes in response to the respective drive signals; and a controller controlling to change a range of electric flux lines generated between the drive electrodes and the detection electrodes.Type: GrantFiled: June 8, 2010Date of Patent: May 13, 2014Assignee: Japan Display West, Inc.Inventors: Koji Ishizaki, Kouji Noguchi, Tsutomu Harada, Takeya Takeuchi, Yoshitoshi Kida, Takayuki Nakanishi
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Patent number: 8633905Abstract: A display includes: display pixel electrodes; common electrodes; a display layer; a display control circuit performing image display control based on an image signal; touch detection electrodes each arranged to form a capacitance between each of the touch detection electrodes and each of the common electrodes; and a touch detection circuit detecting an external proximity object based on a detection signal obtained from the touch detection electrodes with use of a common drive voltage for display applied to the common electrodes by the display control circuit as a touch sensor drive signal. The touch detection circuit includes: an A/D (analog-digital) converter section performing sampling of a detection signal obtained from each of the touch detection electrodes at three or more different sampling frequencies to produce three or more sampling detection signals, and a detection section performing a detection operation based on the three or more sampling detection signals.Type: GrantFiled: May 28, 2010Date of Patent: January 21, 2014Assignee: Japan Display West, Inc.Inventors: Tsutomu Harada, Kouji Noguchi, Yoshitoshi Kida, Koji Ishizaki, Takayuki Nakanishi, Takeya Takeuchi
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Publication number: 20130329172Abstract: An image display apparatus including an image display panel includes: a first color filter for passing light of a first primary and first auxiliary pixels for displaying the first primary; a second color filter for passing light of a second primary and second auxiliary pixels for displaying the second primary; a third color filter for passing light of a third primary and third auxiliary pixels for displaying the third primary; and fourth auxiliary pixels for displaying a fourth color; the first auxiliary pixels, the second auxiliary pixels, the third auxiliary pixels, and the fourth auxiliary pixels being arranged in a two-dimensional matrix, and a light shielding region disposed at least partly around the peripheral edge of each of the fourth auxiliary pixels.Type: ApplicationFiled: August 16, 2013Publication date: December 12, 2013Applicant: Japan Display West Inc.Inventors: Yasuyuki Matsui, Masaaki Kabe, Akira Sakaigawa, Kouji Noguchi, Kenta Seki
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Patent number: 8605238Abstract: An image display apparatus including an image display panel includes: a first color filter for passing light of a first primary and first auxiliary pixels for displaying the first primary; a second color filter for passing light of a second primary and second auxiliary pixels for displaying the second primary; a third color filter for passing light of a third primary and third auxiliary pixels for displaying the third primary; and fourth auxiliary pixels for displaying a fourth color; the first auxiliary pixels, the second auxiliary pixels, the third auxiliary pixels, and the fourth auxiliary pixels being arranged in a two-dimensional matrix, and a light shielding region disposed at least partly around the peripheral edge of each of the fourth auxiliary pixels.Type: GrantFiled: March 11, 2011Date of Patent: December 10, 2013Assignee: Japan Display West Inc.Inventors: Yasuyuki Matsui, Masaaki Kabe, Akira Sakaigawa, Kouji Noguchi, Kenta Seki
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Publication number: 20130278528Abstract: A display device including a substrate, a plurality of pixel electrodes arranged in a form of a matrix in a plane parallel with the substrate, a display functional layer exerting an image display function on a basis of an image signal supplied to the plurality of pixel electrodes, a driving electrode opposed to the plurality of pixel electrodes, and a plurality of detecting electrodes arranged in a form of a plane opposed to the driving electrode, separated and arranged at a pitch of a natural number multiple of an arrangement pitch of the pixel electrodes in one direction in the arrangement plane, and each capacitively coupled with the driving electrode.Type: ApplicationFiled: June 14, 2013Publication date: October 24, 2013Inventors: KOJI ISHIZAKI, KOUJI NOGUCHI
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Patent number: 8334851Abstract: A display includes: display pixel electrodes; common electrodes; a display layer; a display control circuit; touch detection electrodes; and a touch detection circuit detecting an external proximity object based on a detection signal obtained from the touch detection electrodes with use of a common drive voltage for display applied to the common electrode as a touch sensor drive signal. The touch detection circuit includes: a first filter allowing a fundamental detection signal, contained in the detection signal and having a frequency same as a fundamental frequency of the touch sensor drive signal, to pass therethrough, a plurality of second filters separately allowing two or more harmonic detection signals, contained in the detection signal and having frequencies same as respective harmonic frequencies of the touch sensor drive signal, to pass therethrough, and a detection section performing a detection operation based on the fundamental detection signal and the harmonic detection signals.Type: GrantFiled: June 3, 2010Date of Patent: December 18, 2012Assignee: Sony CorporationInventors: Tsutomu Harada, Kouji Noguchi, Yoshitoshi Kida, Koji Ishizaki, Takeya Takeuchi, Takayuki Nakanishi
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Publication number: 20110134076Abstract: A capacitive touch panel capable of reducing a disturbance noise and reducing touch detection time with a simple structure is obtained.Type: ApplicationFiled: June 14, 2010Publication date: June 9, 2011Applicant: SONY CORPORATIONInventors: Yoshitoshi Kida, Koji Ishizaki, Kouji Noguchi, Takeya Takeuchi, Tsutomu Harada, Takayuki Nakanishi
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Publication number: 20100328259Abstract: A touch sensor that may detect an object away from the sensor is provided. The touch sensor includes one or more drive electrodes; one or more detection electrodes forming capacitance in cooperation with the respective drive electrodes; a detection circuit applying drive signals to the respective drive electrodes to detect the object based on detection signals obtained from the respective detection electrodes in response to the respective drive signals; and a controller controlling to change a range of electric flux lines generated between the drive electrodes and the detection electrodes.Type: ApplicationFiled: June 8, 2010Publication date: December 30, 2010Applicant: SONY CORPORATIONInventors: Koji ISHIZAKI, Kouji NOGUCHI, Tsutomu HARADA, Takeya TAKEUCHI, Yoshitoshi KIDA, Takayuki NAKANISHI
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Publication number: 20100328268Abstract: An information input device includes a touch panel which is provided with a touch sensor capable of sensing a position in which a sensing target body is close to a sensing surface thereof. The touch sensor includes a scanning electrode and a detection electrode which faces and is spaced from the scanning electrode with a dielectric body being interposed therebetween, the touch sensor being configured so that electrostatic capacitance which is formed between the scanning electrode and the detection electrode is varied when the sensing target body is close to the detection electrode. The detection electrode is formed with a slit in a surface thereof which faces the scanning electrode, and a floating electrode is installed in the slit.Type: ApplicationFiled: June 8, 2010Publication date: December 30, 2010Applicant: Sony CorporationInventors: Yasuyuki Teranishi, Kouji Noguchi, Koji Ishizaki, Takayuki Nakanishi, Takeya Takeuchi
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Publication number: 20100328291Abstract: A display device includes: a display functional layer that can change display for each pixel in accordance with an application voltage; a plurality of driving electrodes separately disposed in one direction; a plurality of pixel signal lines to which pixel signals used for applying the application voltage to the display functional layer in accordance with an electric potential difference from the display reference electric potential are applied; a plurality of detection electrodes that are separately disposed in a direction other than the one direction, are coupled with the driving electrodes as electrostatic capacitance, generate detection electric potentials in response to the detection driving signal, and change the detection electric potential in accordance with approach of a detection target object; and a pixel signal control unit that controls the pixel signals so as to include pixel signals having different polarities during the display period.Type: ApplicationFiled: June 22, 2010Publication date: December 30, 2010Applicant: SONY CORPORATIONInventors: Koji Ishizaki, Kouji Noguchi, Takayuki Nakanishi, Yasuyuki Teranishi, Takeya Takeuchi
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Publication number: 20100328255Abstract: A touch detection device includes: a detection surface; a plurality of sensor lines formed from a plurality of types of wiring lines having a different line capacitance; and a touch detection unit which detects an electric variation generated in a plurality of the sensor lines in response to touch or proximity of a detection target object to the detection surface, wherein the touch detection unit has an operational circuit for generating a detection signal representing the electric variation by performing an operation process using a line capacitance ratio for a plurality of outputs from a plurality of types of the sensor lines neighboring to one another with a different line capacitance.Type: ApplicationFiled: June 1, 2010Publication date: December 30, 2010Applicant: SONY CORPORATIONInventors: Koji ISHIZAKI, Kouji NOGUCHI, Takeya TAKEUCHI, Takayuki NAKANISHI, Yasuyuki TERANISHI
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Publication number: 20100328257Abstract: A capacitance-type touch panel, allowing disturbance noise and touch detection time to be reduced and having a simple configuration, is provided. The capacitance-type touch panel including: a plurality of drive electrodes each having a strip shape; a drive control circuit performing control such that a drive signal for touch detection is selectively applied to the drive electrodes; a plurality of touch detection electrodes arranged to intersect with the drive electrodes in such a manner that capacitance is formed in each intersecting part, and each outputting a detection signal in synchronization with the drive signal; and a detection circuit detecting an external proximity object based on the detection signal. The drive control circuit controls application of the drive signal in such a manner that the detection signal is a polarity-alternating signal including a positive-negative asymmetrical signal component which is due to presence of the external proximity object.Type: ApplicationFiled: June 4, 2010Publication date: December 30, 2010Applicant: SONY CORPORATIONInventors: Kouji NOGUCHI, Tsutomu HARADA, Yoshitoshi KIDA, Takayuki NAKANISHI, Koji ISHIZAKI, Takeya TAKEUCHI
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Publication number: 20100328274Abstract: Disclosed herein is a display device, including: a display surface; a display functional layer adapted to control the display of a screen viewed from outside the display surface; a drive control section operable to perform display scanning and driving adapted to scan and drive, in the one direction, the plurality of drive electrodes, and also operable to perform, a plurality of times and for M display screens, detection scanning and driving adapted to continuously scan and drive all or part of the plurality of drive electrodes within the period of time; and a plurality of sensor lines arranged in a direction other than the one direction to be separate from each other, which produce an electrical change if an object to be detected comes in contact with or proximity to the display surface while the drive control section performs the detection scanning and driving.Type: ApplicationFiled: June 3, 2010Publication date: December 30, 2010Applicant: SONY CORPORATIONInventors: Kouji NOGUCHI, Takayuki NAKANISHI, Koji ISHIZAKI, Yasuyuki TERANISHI, Takeya TAKEUCHI
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Publication number: 20100328256Abstract: A display includes: display pixel electrodes; common electrodes; a display layer; a display control circuit; touch detection electrodes; and a touch detection circuit detecting an external proximity object based on a detection signal obtained from the touch detection electrodes with use of a common drive voltage for display applied to the common electrode as a touch sensor drive signal. The touch detection circuit includes: a first filter allowing a fundamental detection signal, contained in the detection signal and having a frequency same as a fundamental frequency of the touch sensor drive signal, to pass therethrough, a plurality of second filters separately allowing two or more harmonic detection signals, contained in the detection signal and having frequencies same as respective harmonic frequencies of the touch sensor drive signal, to pass therethrough, and a detection section performing a detection operation based on the fundamental detection signal and the harmonic detection signals.Type: ApplicationFiled: June 3, 2010Publication date: December 30, 2010Applicant: SONY CORPORATIONInventors: Tsutomu HARADA, Kouji NOGUCHI, Yoshitoshi KIDA, Koji ISHIZAKI, Takeya TAKEUCHI, Takayuki NAKANISHI