Patents by Inventor Ru Guo
Ru Guo 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: 20180284185Abstract: A die with a transmission circuit, a reception circuit, and a comparison circuit can be provided. The transmission circuit can be configured to transmit a first signal through a first channel at a first transmission rate and a first transmission amplitude. The reception circuit can be in communication with the transmission circuit through the first channel. The reception circuit can receive a second signal at a first reception rate and at a first reception amplitude. The comparison circuit can be in communication with the transmission circuit and the reception circuit. The comparison circuit can be configured to: determine a first rate error value, determine a first amplitude error value, compare the first rate error value with a rate threshold to determine a first rate error occurrence, and compare the first amplitude error value with an amplitude threshold to determine a first amplitude error occurrence.Type: ApplicationFiled: March 30, 2017Publication date: October 4, 2018Inventors: Mayue Xie, Zhiguo Qian, Jong-Ru Guo, Zhichao Zhang, Zuoguo Wu
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Patent number: 10088518Abstract: A die with a transmission circuit, a reception circuit, and a comparison circuit can be provided. The transmission circuit can be configured to transmit a first signal through a first channel at a first transmission rate and a first transmission amplitude. The reception circuit can be in communication with the transmission circuit through the first channel. The reception circuit can receive a second signal at a first reception rate and at a first reception amplitude. The comparison circuit can be in communication with the transmission circuit and the reception circuit. The comparison circuit can be configured to: determine a first rate error value, determine a first amplitude error value, compare the first rate error value with a rate threshold to determine a first rate error occurrence, and compare the first amplitude error value with an amplitude threshold to determine a first amplitude error occurrence.Type: GrantFiled: March 30, 2017Date of Patent: October 2, 2018Assignee: Intel CorporationInventors: Mayue Xie, Zhiguo Qian, Jong-Ru Guo, Zhichao Zhang, Zuoguo Wu
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Publication number: 20180253398Abstract: A device includes a receiver to receive one or more training sequences during a training of a link, where the link connects two devices. The device may include agent logic to determine, from the one or more training sequences, a number of extension devices on the link between the two devices, and determine that the number of extension devices exceeds a threshold number. The device may include a transmitter to send a plurality of clock compensation ordered sets on the link based on determining that the number of extension devices exceeds a threshold number.Type: ApplicationFiled: June 29, 2017Publication date: September 6, 2018Inventors: Zuoguo Wu, Debendra Das Sharma, Mohiuddin M. Mazumder, Jong-Ru Guo, Anupriya Sriramulu, Narasimha Lanka, Timothy Wig, Jeff Morriss
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Patent number: 9912926Abstract: A biochemistry measurement method includes obtaining a first pixel array and a second pixel array with a photosensitive array, transforming the first pixel array and the second pixel array into a first color space coordinate matrix and a second color space coordinate matrix, extracting the first color space coordinate matrix and the second color space coordinate matrix to from a third color space coordinate matrix and a fourth color space coordinate matrix, and obtaining a color space vector matrix according to the third color space coordinate matrix and the fourth color space coordinate matrix.Type: GrantFiled: March 25, 2016Date of Patent: March 6, 2018Assignees: LITE-ON ELECTRONICS (GUANGZHOU) CO., LTD., LITE-ON TECHNOLOGY CORPORATIONInventors: Hong Ru Guo, Yu Jin Kao, Yang-Li Yang
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Publication number: 20170150113Abstract: A biochemistry measurement method includes obtaining a first pixel array and a second pixel array with a photosensitive array, transforming the first pixel array and the second pixel array into a first color space coordinate matrix and a second color space coordinate matrix, extracting the first color space coordinate matrix and the second color space coordinate matrix to from a third color space coordinate matrix and a fourth color space coordinate matrix, and obtaining a color space vector matrix according to the third color space coordinate matrix and the fourth color space coordinate matrix.Type: ApplicationFiled: March 25, 2016Publication date: May 25, 2017Inventors: Hong Ru Guo, Yu Jin Kao, Yang-Li Yang
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Patent number: 9208725Abstract: A display device includes a pixel array. The pixel array includes multiple pixel elements. At least one pixel element includes an OLED, a first transistor, a second transistor, a third transistor, a first capacitor and a second capacitor. The first transistor has a first terminal coupled to an anode of the OLED for driving the OLED. The second transistor is coupled between a second terminal of the first transistor and a reset voltage and has a control terminal receiving a reset signal. The third transistor is coupled between the anode of the OLED and a control terminal of the first transistor and has a control terminal receiving a compensation signal. The first capacitor is coupled between the control terminal of the first transistor and the anode of the OLED. The second capacitor is coupled to the first capacitor and the control terminal of the first transistor.Type: GrantFiled: June 10, 2013Date of Patent: December 8, 2015Assignee: INNOLUX CORPORATIONInventors: Hong-Ru Guo, Gong-Chen Guo, Ming-Chun Tseng
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Patent number: 9123288Abstract: A display device includes pixel units. Each pixel unit includes a driving transistor, a switch transistor, a reset transistor, a light-emitting element, and a control unit. The driving transistor has a control terminal, a first terminal coupled to a first operation voltage source and a second terminal. The reset transistor is coupled to the control terminal of the driving transistor. The light-emitting element is coupled to the switch transistor in series between the second terminal of the driving transistor and a second operation voltage source. The control unit stores a threshold voltage of the driving transistor and a driving voltage of the light-emitting element according to a voltage level of the second terminal of the driving transistor. The control unit changes a voltage level of the control terminal of the driving transistor according to the stored threshold voltage, the stored driving voltage, and a corresponding data signal.Type: GrantFiled: September 10, 2012Date of Patent: September 1, 2015Assignees: INNOCOM TECHNOLOGY (SHENZHEN) CO., LTD., INNOLUX CORPORATIONInventors: Hong-Ru Guo, Ming-Chun Tseng
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Patent number: 9076372Abstract: The present disclosure provides a display device including a light emitting diode and a driving module. The driving module drives the light emitting diode. The driving module includes a first switch circuit, a second switch circuit, and a driver transistor. The first switch circuit selectively writes a gray scale voltage in a first capacitor. The second switch circuit selectively writes an offset voltage in a second capacitor. The driver transistor is coupled to the light emitting diode, the first capacitor, and the second capacitor. The driver transistor adjusts a driving current being outputted to the light emitting diode according to the gray scale voltage and the offset voltage. The gray scale voltage adjusts the voltage difference between the gate and the source of the driver transistor, while the offset voltage adjusts a threshold voltage of the driver transistor.Type: GrantFiled: August 29, 2013Date of Patent: July 7, 2015Assignee: INNOLUX CORPORATIONInventors: Cheng-Chung Yang, Liang-Lu Chen, Chun Yu Chen, Hong-Ru Guo
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Patent number: 9076380Abstract: A pixel driving circuit is provided, including first, second, third, fourth, and fifth switching devices and first and second capacitors. The first switching device has a first terminal coupled to a first power source voltage, and a control terminal coupled to a first scan signal line. The second switching device has a first terminal coupled to a second terminal of the first switching device, a second terminal coupled to a first node and an emitting device, and a control terminal coupled to a second node. The third switching device has a first terminal coupled between the first terminal of the second switching device and a second terminal of the first switching device, a second terminal coupled to the second node, and a control terminal coupled to a second scan signal line.Type: GrantFiled: December 26, 2012Date of Patent: July 7, 2015Assignees: INNOCOM TECHNOLOGY (SHENZHEN) CO., LTD., INNOLUX CORPORATIONInventors: Hong-Ru Guo, Lien-Hsiang Chen
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Patent number: 9077319Abstract: A clock phase shift detector circuit may include a phase detector that receives a first and a second clock signal, whereby the phase detector generates a phase signal based on a phase difference between the first and the second clock signal. A first integrator is coupled to the phase detector, receives the phase signal, and generates an integrated phase signal. A second integrator receives the first clock signal and generates an integrated first clock signal. A comparator is coupled to the first and the second integrator, whereby the comparator receives the integrated phase signal and the integrated first clock signal. The comparator may then generate a control signal that detects a change between the phase difference of the first and the second clock signal and an optimized phase difference based on an amplitude comparison between the integrated phase signal and the integrated first clock signal.Type: GrantFiled: January 16, 2014Date of Patent: July 7, 2015Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATIONInventors: Kai D. Feng, Jong-ru Guo, Trushil N. Shah, Ping-Chuan Wang, Zhijian Yang
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Patent number: 8976091Abstract: A display including multiple OLED pixels is provided. Each OLED pixel includes and OLED, a driving transistor, a switch transistor, a first compensation block and a second compensation block. The driving transistor has a first terminal coupled to an anode of the OLED, a second terminal for receiving an operating voltage, and a control terminal for receiving a data voltage. The switch transistor has a first terminal coupled to the control terminal of the driving transistor, a second terminal for receiving the data voltage, and a control terminal for receiving a first control signal. The first compensation block is coupled to the first terminal and the control terminal of the driving transistor. The second compensation block is coupled to the first terminal of the driving transistor, and receives the first control signal and the data voltage.Type: GrantFiled: July 17, 2012Date of Patent: March 10, 2015Assignees: Innocom Technology (Shenzhen) Co., Ltd., Innolux CorporationInventors: Ming-Chun Tseng, Hong-Ru Guo
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Patent number: 8947336Abstract: A display driving method comprises the steps of: determining a first target-level voltage and a second target-level voltage of a signal of the scan line; determining a first switch time and a second switch time according to an RC loading of the scan line; determining at least one first precharge-level voltage and at least one second precharge-level voltage according to the first target-level voltage, the second target-level voltage, the first switch time, and the second switch time; and outputting the first precharge-level voltage, the first target-level voltage, the second precharge-level voltage, and the second target-level voltage to drive the display panel, wherein the first precharge-level voltage is switched to the first target-level voltage after the first switch time, and the second precharge-level voltage is switched to the second target-level voltage after the second switch time.Type: GrantFiled: September 10, 2012Date of Patent: February 3, 2015Assignees: Innocom Technology (Shenzhen) Co., Ltd., InnoLux CorporationInventors: Cheng-Hsu Chou, Ming-Chun Tseng, Hong-Ru Guo
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Publication number: 20140159775Abstract: A clock phase shift detector circuit may include a phase detector that receives a first and a second clock signal, whereby the phase detector generates a phase signal based on a phase difference between the first and the second clock signal. A first integrator is coupled to the phase detector, receives the phase signal, and generates an integrated phase signal. A second integrator receives the first clock signal and generates an integrated first clock signal. A comparator is coupled to the first and the second integrator, whereby the comparator receives the integrated phase signal and the integrated first clock signal. The comparator may then generate a control signal that detects a change between the phase difference of the first and the second clock signal and an optimized phase difference based on an amplitude comparison between the integrated phase signal and the integrated first clock signal.Type: ApplicationFiled: January 16, 2014Publication date: June 12, 2014Applicant: International Business Machines CorporationInventors: Kai D. Feng, Jong-ru Guo, Trushill N. Shah, Ping-Chuan Wang, Zhijian Yang
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Publication number: 20140118328Abstract: This invention is related to a pixel driving circuit and a method of driving an active matrix OLED (AMOLED) that is driven by N-type transistors. The pixel driving circuit is configured with five thin film transistors and two capacitors for solving the shifted threshold voltage induced by attenuation of the N-type transistors, the rising cross voltage induced by a long working period of the OLED, and the IR-drop issue. The invention further improves the display quality of the OLED display unit by modifying the display uniformity.Type: ApplicationFiled: October 3, 2013Publication date: May 1, 2014Applicant: InnoLux CorporationInventors: Hong-Ru GUO, Ming-Chun TSENG, Ching-Chieh TSENG
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Publication number: 20140078191Abstract: The present disclosure provides a display device including a light emitting diode and a driving module. The driving module drives the light emitting diode. The driving module includes a first switch circuit, a second switch circuit, and a driver transistor. The first switch circuit selectively writes a gray scale voltage in a first capacitor. The second switch circuit selectively writes an offset voltage in a second capacitor. The driver transistor is coupled to the light emitting diode, the first capacitor, and the second capacitor. The driver transistor adjusts a driving current being outputted to the light emitting diode according to the gray scale voltage and the offset voltage. The gray scale voltage adjusts the voltage difference between the gate and the source of the driver transistor, while the offset voltage adjusts a threshold voltage of the driver transistor.Type: ApplicationFiled: August 29, 2013Publication date: March 20, 2014Applicant: INNOLUX CORPORATIONInventors: CHENG-CHUNG YANG, LIANG-LU CHEN, CHUN YU CHEN, HONG-RU GUO
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Patent number: 8669786Abstract: A clock phase shift detector circuit may include a phase detector that receives a first and a second clock signal, whereby the phase detector generates a phase signal based on a phase difference between the first and the second clock signal. A first integrator is coupled to the phase detector, receives the phase signal, and generates an integrated phase signal. A second integrator receives the first clock signal and generates an integrated first clock signal. A comparator is coupled to the first and the second integrator, whereby the comparator receives the integrated phase signal and the integrated first clock signal. The comparator may then generate a control signal that detects a change between the phase difference of the first and the second clock signal and an optimized phase difference based on an amplitude comparison between the integrated phase signal and the integrated first clock signal.Type: GrantFiled: December 7, 2012Date of Patent: March 11, 2014Assignee: International Business Machines CorporationInventors: Kai D. Feng, Jong-ru Guo, Trushil N. Shah, Ping-Chuan Wang, Zhijian Yang
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Publication number: 20140049490Abstract: A touch sensing unit includes a detection electrode, a switch and a boosting and discharging unit. The detection electrode detects the touch from an external object. The switch is connected to the detection electrode for generating a touch voltage. The boosting and discharging unit is connected to the detection electrode and the switch for discharging the detection electrode or boosting the voltage of the detection electrode.Type: ApplicationFiled: July 23, 2013Publication date: February 20, 2014Applicant: InnoLux CorporationInventors: Hong-Ru GUO, Cheng-Hsu CHOU, Ming-Chun TSENG
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Patent number: 8638124Abstract: A clock phase shift detector circuit may include a phase detector for generating a phase signal based on a phase difference between first and second clock signals. A current mirror having a first, a second, and a third integrator may be coupled to the phase detector, whereby the first integrator integrates the first clock signal and generates a first voltage, the second integrator integrates the first clock signal and generates a second voltage, and the third integrator integrates the phase signal and generates a third voltage. A first comparator receives the first and the third voltage, and generates a first control signal. A second comparator receives the second and the third voltage, and generates a second control signal. The first and second control signals may detect a change between the phase difference of the first and the second clock signal and an optimized phase difference.Type: GrantFiled: December 7, 2012Date of Patent: January 28, 2014Assignee: International Business Machines CorporationInventors: Kai D. Feng, Jon-ru Guo, Trushil N. Shah, Ping-Chuan Wang, Zhijian Yang
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Publication number: 20140022152Abstract: A pixel driving circuit is provided, including first, second, third, fourth, and fifth switching devices and first and second capacitors. The first switching device has a first terminal coupled to a first power source voltage, and a control terminal coupled to a first scan signal line. The second switching device has a first terminal coupled to a second terminal of the first switching device, a second terminal coupled to a first node and an emitting device, and a control terminal coupled to a second node. The third switching device has a first terminal coupled between the first terminal of the second switching device and a second terminal of the first switching device, a second terminal coupled to the second node, and a control terminal coupled to a second scan signal line.Type: ApplicationFiled: December 26, 2012Publication date: January 23, 2014Applicants: CHIMEI INNOLUX CORPORATION, INNOCOM TECHNOLOGY(SHENZHEN) CO., LTD.Inventors: Hong-Ru GUO, Lien-Hsiang CHEN
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Patent number: 8624801Abstract: A display device comprises a pixel structure. The pixel structure includes a first transistor having a gate and circuitry to initially set the first transistor gate at a first voltage. In response to a data signal received over a data line of the display device, the first transistor gate is set at a second voltage. The first transistor gate voltage transitions from the second voltage to a third voltage that is higher than the second voltage by a reference voltage. A light element is coupled to the first transistor and configured to emit light in response to a current through the light element.Type: GrantFiled: January 19, 2007Date of Patent: January 7, 2014Assignees: Chimei Innolux Corporation, Chi Mei EI CorporationInventors: Hong-Ru Guo, Ming-Chun Tseng, Chien-Hsiang Huang