Patents by Inventor Hong-Ru Guo
Hong-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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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: 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: 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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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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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
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Publication number: 20130335307Abstract: 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: ApplicationFiled: June 10, 2013Publication date: December 19, 2013Inventors: Hong-Ru GUO, Gong-Chen GUO, Ming-Chun TSENG
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Publication number: 20130147856Abstract: 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: ApplicationFiled: September 10, 2012Publication date: June 13, 2013Inventors: Cheng-Hsu CHOU, Ming-Chun Tseng, Hong-Ru Guo
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Publication number: 20130120337Abstract: 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: ApplicationFiled: September 10, 2012Publication date: May 16, 2013Applicants: CHIMEI INNOLUX CORPORATION, INNOCOM TECHNOLOGY(SHENZHEN) CO., LTD.Inventors: Hong-Ru GUO, Ming-Chun TSENG
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Patent number: 8390638Abstract: One embodiment of the invention includes an image compensation module, an OLED display panel, and an OLED display apparatus. A target current value corresponding to a target gray level is stored in a compensation memory portion. A reference gray level and a reference current value corresponding to the reference gray level are stored in a reference memory portion. A compensation gray level can be obtained by an arithmetic compensation unit according to the target current value, reference gray level, reference current value, and gamma parameter. This may reduce the memory space needed for the compensation and reference memory portions, and compensate the images of the display apparatus and panel so that precise colors can be displayed with a high image quality.Type: GrantFiled: November 11, 2009Date of Patent: March 5, 2013Assignee: Innolux CorporationInventors: Yu-Wen Chiou, Ming Chun Tseng, Hong-Ru Guo, Chun-Yu Chen
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Publication number: 20130038589Abstract: 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: ApplicationFiled: July 17, 2012Publication date: February 14, 2013Applicants: CHIMEI INNOLUX CORPORATION, INNOCOM TECHNOLOGY (SHENZHEN) CO., LTD.Inventors: Ming-Chun Tseng, Hong-Ru Guo
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Publication number: 20110175897Abstract: A pixel structure, a display panel, a display and a driving method thereof are disclosed. The pixel structure comprises an organic light emitting diode, a driving transistor, a storage capacitance, and a switch transistor. A first terminal of the driving transistor receives an image retention cancellation signal. The image retention cancellation signal changes to a second level from a first level before the driving transistor drives the organic light emitting diode so that the driving transistor is operated in a forward curve. A second terminal of the driving transistor is coupled to the light emitting diode. One terminal of the storage capacitance receives a common voltage, and the other terminal of the storage capacitance is coupled to a control terminal of the driving transistor. The switch transistor is controlled by a scan signal to output a data signal to the control terminal of the driving transistor.Type: ApplicationFiled: September 10, 2010Publication date: July 21, 2011Applicants: CHIMEI INNOLUX CORPORATION, CHI MEI OPTOELECTRONICS CORP.Inventors: Ming-Chun TSENG, Hung-Lin HSU, Lien-Hsiang CHEN, Hong-Ru GUO
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Patent number: 7903059Abstract: A lighting emitting display, a pixel circuit and a driving method thereof. The pixel circuit includes a driving transistor, a capacitor and a LED. The capacitor receives a first supply voltage and is coupled to a gate of the driving transistor. A cathode of the LED receives a second supply voltage. During a pre-charge period, the gate and the drain of the driving transistor are coupled to an anode of the LED, the source of the driving transistor is coupled to a charging voltage. The source of the driving transistor receives a data signal and the drain and gate of the driving transistor are coupled to each other during a programming period. The source of the driving transistor is coupled to receive the first supply voltage and the drain of the driving transistor is coupled to the anode of the LED during a display period.Type: GrantFiled: March 13, 2007Date of Patent: March 8, 2011Assignee: Himax Technologies LimitedInventors: Yu-Wen Chiou, Chin-Tien Chang, Hong-Ru Guo