Patents by Inventor Chia-Yuan Yeh
Chia-Yuan Yeh 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: 11341910Abstract: A pixel circuit of low power consumption is provided, which includes a first transistor for providing a driving current, a light emitting element, a light emitting control circuit, a reset circuit, a writing circuit, and a storage capacitor. The light emitting control circuit is coupled between the first transistor and the light emitting element, and is for selectively conducting the driving current to the light emitting element. The reset circuit is for providing a first reference voltage to the light emitting element by a first frequency. The storage capacitor is coupled between the writing circuit and the first transistor. The writing circuit is for providing, by a second frequency different from the first frequency, a data voltage and a second reference voltage to the storage capacitor and the first transistor, respectively. The storage capacitor is for storing a first voltage for compensating a threshold voltage of the first transistor.Type: GrantFiled: February 9, 2021Date of Patent: May 24, 2022Assignee: AU OPTRONICS CORPORATIONInventors: Kai-Wei Shiau, Chia-Yuan Yeh, Kuang-Hsiang Liu
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Publication number: 20220051619Abstract: A pixel circuit of low power consumption is provided, which includes a first transistor for providing a driving current, a light emitting element, a light emitting control circuit, a reset circuit, a writing circuit, and a storage capacitor. The light emitting control circuit is coupled between the first transistor and the light emitting element, and is for selectively conducting the driving current to the light emitting element. The reset circuit is for providing a first reference voltage to the light emitting element by a first frequency. The storage capacitor is coupled between the writing circuit and the first transistor. The writing circuit is for providing, by a second frequency different from the first frequency, a data voltage and a second reference voltage to the storage capacitor and the first transistor, respectively. The storage capacitor is for storing a first voltage for compensating a threshold voltage of the first transistor.Type: ApplicationFiled: February 9, 2021Publication date: February 17, 2022Inventors: Kai-Wei SHIAU, Chia-Yuan YEH, Kuang-Hsiang LIU
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Patent number: 10705639Abstract: An anti-reflective integrated touch display panel includes an anti-reflective structure and touch electrodes. The anti-reflective structure includes a first insulating layer, a second insulating layer disposed on the first insulating layer, a conducting layer disposed on the second insulating layer, a third insulating layer disposed on the second insulating layer, and a fourth insulating layer disposed on the third insulating layer. The first insulating layer includes silicon oxide or silicon nitride, and has a thickness of 0.1 to 2 micrometers. The second insulating layer includes silicon oxide or strontium oxide, and has a thickness of 0.001 to 0.1 micrometer. The conducting layer includes molybdenum, and has a thickness of 0.01 to 0.05 micrometer. The fourth insulating layer includes silicon nitride, and has a thickness of 0.001 to 0.3 micrometer. The touch electrodes are disposed between the third insulating layer and the fourth insulating layer.Type: GrantFiled: January 29, 2019Date of Patent: July 7, 2020Assignee: Au Optronics CorporationInventors: Chun-Cheng Hung, Wen-Jen Li, Yen-Shih Huang, Chia-Ming Chen, Ting-Wei Ko, Chia-Yuan Yeh
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Publication number: 20200057520Abstract: An anti-reflective integrated touch display panel includes an anti-reflective structure and touch electrodes. The anti-reflective structure includes a first insulating layer, a second insulating layer disposed on the first insulating layer, a conducting layer disposed on the second insulating layer, a third insulating layer disposed on the second insulating layer, and a fourth insulating layer disposed on the third insulating layer. The first insulating layer includes silicon oxide or silicon nitride, and has a thickness of 0.1 to 2 micrometers. The second insulating layer includes silicon oxide or strontium oxide, and has a thickness of 0.001 to 0.1 micrometer. The conducting layer includes molybdenum, and has a thickness of 0.01 to 0.05 micrometer. The fourth insulating layer includes silicon nitride, and has a thickness of 0.001 to 0.3 micrometer. The touch electrodes are disposed between the third insulating layer and the fourth insulating layer.Type: ApplicationFiled: January 29, 2019Publication date: February 20, 2020Applicant: Au Optronics CorporationInventors: Chun-Cheng Hung, Wen-Jen Li, Yen-Shih Huang, Chia-Ming Chen, Ting-Wei Ko, Chia-Yuan Yeh
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Patent number: 10509500Abstract: A touch display apparatus including a first substrate, a first sub-pixel, a spacer, a second substrate, and a touch-sensing electrode is provided. The first sub-pixel is disposed on the first substrate. The spacer is disposed on the first substrate. The touch-sensing electrode is disposed on the second substrate and has a first opening. The spacer is located inside the first opening in an orthogonal projection direction. A distance D is defined between an outline of an orthogonal projection of the spacer on the first substrate and an outline of an orthogonal projection of the first opening on the first substrate, and D?5 ?m.Type: GrantFiled: July 17, 2018Date of Patent: December 17, 2019Assignee: Au Optronics CorporationInventors: Chun-Chi Lai, Chia-Hsien Chu, Chia-Yuan Yeh, Kuan-Ting Chen, Chee-Wai Lau, An-Hsiung Hsieh, Feng-Sheng Lin, Tsang-Hong Wang
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Publication number: 20190196630Abstract: A touch display apparatus including a first substrate, a first sub-pixel, a spacer, a second substrate, and a touch-sensing electrode is provided. The first sub-pixel is disposed on the first substrate. The spacer is disposed on the first substrate. The touch-sensing electrode is disposed on the second substrate and has a first opening. The spacer is located inside the first opening in an orthogonal projection direction. A distance D is defined between an outline of an orthogonal projection of the spacer on the first substrate and an outline of an orthogonal projection of the first opening on the first substrate, and D?5 ?m.Type: ApplicationFiled: July 17, 2018Publication date: June 27, 2019Applicant: Au Optronics CorporationInventors: Chun-Chi Lai, Chia-Hsien Chu, Chia-Yuan Yeh, Kuan-Ting Chen, Chee-Wai Lau, An-Hsiung Hsieh, Feng-Sheng Lin, Tsang-Hong Wang
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Patent number: 10181280Abstract: A pixel circuit includes a first switch unit, a second switch unit, a data line, a charge sharing line and a pixel-driving unit. The pixel-driving unit is electrically connected with the data line and a first terminal of the first switch unit. A second terminal of the first switch unit is electrically connected with the charge sharing line and a first terminal of the second switch unit. A second terminal of the second switch unit is electrically connected with the data line. In a charge sharing period, the voltage value of the data line is determined according to a first data voltage provided by the data line in an initial period and a control voltage provided by the charge sharing line during the initial period.Type: GrantFiled: July 5, 2016Date of Patent: January 15, 2019Assignee: AU OPTRONICS CORPORATIONInventors: Sen-Chuan Hung, Chia-Yuan Yeh
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Patent number: 9871084Abstract: An organic light-emitting display device includes a first substrate, a second substrate, a sealing adhesive layer, an organic light-emitting device and a touch sensing device. The first substrate and the second substrate are disposed opposite to each other. The sealing adhesive layer is disposed between the first substrate and the second substrate in a peripheral region. The organic light-emitting device is disposed on the second substrate in a display region, and the sealing adhesive layer surrounds the organic light-emitting device. The touch sensing device is disposed on the first substrate and includes a touch sensing electrode array and a plurality of sensing wires electrically connected to the touch sensing electrode array, respectively, and the sensing wires are disposed along the peripheral region at at least one side of the display region and over the sealing adhesive layer.Type: GrantFiled: February 17, 2017Date of Patent: January 16, 2018Assignee: AU OPTRONICS CORPORATIONInventors: Po-Sheng Liao, Chia-Yuan Yeh
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Patent number: 9842539Abstract: A pixel control circuit includes an organic light emitting diode, a driving transistor, a driving circuit, a discharge circuit and a compensation circuit. The driving transistor is used to turn on or turn off the organic light emitting diode. The discharge circuit is used to control the electrical connection between the organic light emitting diode and an initial voltage to timely provide a discharge path for the organic light emitting diode. The compensation circuit is used to compensate a conducting current for the organic light emitting diode when the organic light emitting diode emits light so that the conducting current is independent of a threshold voltage of the driving transistor. The driving circuit is used to control the electrical connection between a predetermined voltage and the driving transistor to make the organic light emitting diode emit light.Type: GrantFiled: September 10, 2015Date of Patent: December 12, 2017Assignee: AU OPTRONICS CORP.Inventors: Sen-Chuan Hung, Chia-Yuan Yeh
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Patent number: 9773449Abstract: A pixel circuit with an organic light emitting diode (OLED) compensates a threshold voltage of the driving switch therein by controlling the connection relationship between a first capacitor and a second capacitor therein. As such, the compensation time of the pixel circuit may be different from the data writing time of the same. Also, the capacitance to be written with the data may be less than that in the conventional technique so that the time needed for the data writing is then reduced and the pixel circuit in the present invention can be used in a display device with a high refresh rate.Type: GrantFiled: December 3, 2014Date of Patent: September 26, 2017Assignee: AU OPTRONICS CORP.Inventors: Yung-Ming Lin, Chia-Yuan Yeh
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Publication number: 20170250228Abstract: An organic light-emitting display device includes a first substrate, a second substrate, a sealing adhesive layer, an organic light-emitting device and a touch sensing device. The first substrate and the second substrate are disposed opposite to each other. The sealing adhesive layer is disposed between the first substrate and the second substrate in a peripheral region. The organic light-emitting device is disposed on the second substrate in a display region, and the sealing adhesive layer surrounds the organic light-emitting device. The touch sensing device is disposed on the first substrate and includes a touch sensing electrode array and a plurality of sensing wires electrically connected to the touch sensing electrode array, respectively, and the sensing wires are disposed along the peripheral region at at least one side of the display region and over the sealing adhesive layer.Type: ApplicationFiled: February 17, 2017Publication date: August 31, 2017Inventors: Po-Sheng LIAO, Chia-Yuan YEH
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Publication number: 20170162120Abstract: A display has a display panel and a correction circuit. The display panel has a plurality of pixel circuits, and each of the pixel circuits has a plurality of pixels and a shared circuit. Each of the pixels has an organic light-emitting diode (OLED) and a driving transistor for driving the OLED. The shared circuit is coupled to the plurality of pixels and is configured to compensate shifts in threshold voltages of the plurality of pixels according to a received reference voltage. The correction circuit is coupled to the plurality of pixels and is configured to sense a driving current of the pixels of each pixel circuit and to adjust the reference voltage received by the shared circuit of the each pixel circuit according to the detected driving current of the pixels of each pixel circuit.Type: ApplicationFiled: December 7, 2016Publication date: June 8, 2017Inventors: Sen-Chuan HUNG, Chia-Yuan Yeh
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Publication number: 20170018221Abstract: A pixel circuit includes a first switch unit, a second switch unit, a data line, a charge sharing line and a pixel-driving unit. The pixel-driving unit is electrically connected with the data line and a first terminal of the first switch unit. A second terminal of the first switch unit is electrically connected with the charge sharing line and a first terminal of the second switch unit. A second terminal of the second switch unit is electrically connected with the data line. In a charge sharing period, the voltage value of the data line is determined according to a first data voltage provided by the data line in an initial period and a control voltage provided by the charge sharing line during the initial period.Type: ApplicationFiled: July 5, 2016Publication date: January 19, 2017Inventors: Sen-Chuan HUNG, Chia-Yuan YEH
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Publication number: 20160307504Abstract: A pixel control circuit includes an organic light emitting diode, a driving transistor, a driving circuit, a discharge circuit and a compensation circuit. The driving transistor is used to turn on or turn off the organic light emitting diode. The discharge circuit is used to control the electrical connection between the organic light emitting diode and an initial voltage to timely provide a discharge path for the organic light emitting diode. The compensation circuit is used to compensate a conducting current for the organic light emitting diode when the organic light emitting diode emits light so that the conducting current is independent of a threshold voltage of the driving transistor. The driving circuit is used to control the electrical connection between a predetermined voltage and the driving transistor to make the organic light emitting diode emit light.Type: ApplicationFiled: September 10, 2015Publication date: October 20, 2016Inventors: Sen-Chuan Hung, Chia-Yuan Yeh
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Patent number: 9343014Abstract: A pixel driving circuit includes first to seventh switches, a capacitor and a light emitting unit. The first and sixth switches are connected and receive data voltage and second reference voltage according to second and third control signals, respectively. One capacitor end connects to the serial-connected first and sixth switches and the other capacitor end connects to a control end of the second switch. The serial-connected third and fourth switches are connected between the control and first end of the second switch. The third and fourth switches are ON by the second control signal. The fifth switch is ON by a first control signal. An end of the fifth switch connects to the serial-connected third and fourth switches and another end receives a first reference voltage. The seventh switch is connected between the second switch and the light emitting unit. The seventh switch is ON by the third control signal.Type: GrantFiled: December 9, 2014Date of Patent: May 17, 2016Assignee: AU OPTRONICS CORP.Inventors: Guan-Ru Huang, Chia-Yuan Yeh, Chun-Yen Liu
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Publication number: 20160098955Abstract: A pixel driving circuit includes first to seventh switches, a capacitor and a light emitting unit. The first and sixth switches are connected and receive data voltage and second reference voltage according to second and third control signals, respectively. One capacitor end connects to the serial-connected first and sixth switches and the other capacitor end connects to a control end of the second switch. The serial-connected third and fourth switches are connected between the control and first end of the second switch. The third and fourth switches are ON by the second control signal. The fifth switch is ON by a first control signal. An end of the fifth switch connects to the serial-connected third and fourth switches and another end receives a first reference voltage. The seventh switch is connected between the second switch and the light emitting unit. The seventh switch is ON by the third control signal.Type: ApplicationFiled: December 9, 2014Publication date: April 7, 2016Inventors: GUAN-RU HUANG, CHIA-YUAN YEH, CHUN-YEN LIU
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Publication number: 20160086536Abstract: A pixel circuit with an organic light emitting diode (OLED) compensates a threshold voltage of the driving switch therein by controlling the connection relationship between a first capacitor and a second capacitor therein. As such, the compensation time of the pixel circuit may be different from the data writing time of the same. Also, the capacitance to be written with the data may be less than that in the conventional technique so that the time needed for the data writing is then reduced and the pixel circuit in the present invention can be used in a display device with a high refresh rate.Type: ApplicationFiled: December 3, 2014Publication date: March 24, 2016Inventors: Yung-Ming Lin, Chia-Yuan Yeh
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Patent number: 9165503Abstract: A pixel structure and a driving method thereof are disclosed. The pixel structure includes a first capacitor, an input unit, a compensation unit, a pixel driving unit, a resetting unit, a light-emitting diode, a light-emitting activation unit and a coupling unit. The input unit controls a voltage on a first terminal of the first capacitor according to a first scanning signal and a data signal. The compensation unit coupled to the first capacitor is configured to control voltages on the terminals of the first capacitor according to a second scanning signal. The pixel driving unit is configured to provide a driving current to the light-emitting diode according to a first reference voltage and the voltage on a second terminal of the first capacitor. The coupling unit is coupled to the light-emitting activation unit, the first terminal of the first capacitor, the input unit and the compensation unit.Type: GrantFiled: June 5, 2013Date of Patent: October 20, 2015Assignee: AU OPTRONICS CORPORATIONInventors: Kai-Teng Shih, Chun-Yen Liu, Chia-Yuan Yeh, Chen-Hao Kuo
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Patent number: 9070897Abstract: A display panel includes a substrate, a TFT device, a patterned dielectric layer, a patterned metal layer and a bridge line. The TFT device is disposed in a display region. The patterned dielectric layer includes an ILD layer disposed over the TFT device, and a sealant stage disposed in a peripheral region. The patterned metal layer includes a signal line disposed on the ILD layer, and a first connecting line and a second connecting line. The first connecting line is disposed in an inner side of the sealant stage facing the display region, and the first connecting line is electrically connected to the signal line. The second connecting line is disposed in an outer side of the sealant stage opposite to the display region. The bridge line is disposed under the sealant stage, and the first connecting line and the second connecting line are electrically connected through the bridge line.Type: GrantFiled: May 15, 2012Date of Patent: June 30, 2015Assignee: AU Optronics Corp.Inventors: Yen-Shih Huang, Chia-Yuan Yeh, Bo-Feng Lee, Ta-Wei Chiu
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Publication number: 20140225878Abstract: A pixel structure and a driving method thereof are disclosed. The pixel structure includes a first capacitor, an input unit, a compensation unit, a pixel driving unit, a resetting unit, a light-emitting diode, a light-emitting activation unit and a coupling unit. The input unit controls a voltage on a first terminal of the first capacitor according to a first scanning signal and a data signal. The compensation unit coupled to the first capacitor is configured to control voltages on the terminals of the first capacitor according to a second scanning signal. The pixel driving unit is configured to provide a driving current to the light-emitting diode according to a first reference voltage and the voltage on a second terminal of the first capacitor. The coupling unit is coupled to the light-emitting activation unit, the first terminal of the first capacitor, the input unit and the compensation unit.Type: ApplicationFiled: June 5, 2013Publication date: August 14, 2014Inventors: Kai-Teng SHIH, Chun-Yen LIU, Chia-Yuan YEH, Chen-Hao KUO