Patents by Inventor Yi-Chien Wen
Yi-Chien Wen 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: 20190019457Abstract: A display device includes: a plurality of pixels each including an organic light emitting diode, a power voltage supply supplying a power positive voltage and a power negative voltage to the plurality of pixels, a voltage detector generating a compensation signal when detecting that the power positive voltage and a standard power positive voltage are different, a timing controller compensating a scan control signal and a data control signal based on the compensation signal, a scan driver generating a compensated scan voltage based on a compensated scan control signal and supplying the compensated scan voltage to the plurality of pixels and a data driver generating a compensated data voltage based on a compensated data control signal and supplying the compensated data voltage to the plurality of pixels, wherein the compensated scan voltage and the compensated data voltage allow a driving current of the organic light emitting diode to be constant.Type: ApplicationFiled: October 18, 2017Publication date: January 17, 2019Inventors: Bobiao Chang, Shu Wen, Yi-chien Wen, Ming-jong Jou
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Publication number: 20180374419Abstract: The present application provides a pixel driving circuit, which comprises a driving transistor, a first switch, a second switch, a third switch, a fourth switch, a first capacitor, a second capacitor, an initial-voltage-signal terminal, a data-voltage-signal terminal, a reset-voltage-signal terminal, and a driving-voltage-signal terminal. The driving transistor comprises a gate terminal, a source terminal, and a drain terminal. The first capacitor is connected between the source terminal and the gate terminal, the second capacitor is connected between the source terminal and a charge-voltage terminal. The charge-voltage terminal is respectively connected with the reset-voltage-signal terminal and the data-voltage-signal terminal via the first switch and the second switch. The drain terminal is connected with the driving-voltage-signal terminal via the third switch. The gate terminal is connected with the initial-voltage-signal terminal via the fourth switch.Type: ApplicationFiled: November 30, 2017Publication date: December 27, 2018Applicant: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventors: Xiaolong CHEN, Yi-Chien WEN, Ming-Jong JOU
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Publication number: 20180374418Abstract: The present application provides a pixel driving circuit, which comprises a driving transistor, a first switch, a second switch, a third switch, a fourth switch, a first capacitor, a second capacitor, an initial-voltage-signal terminal, a data-voltage-signal terminal, and a driving-voltage-signal terminal. The driving transistor comprises a gate terminal, a source terminal, and a drain terminal. The first switch is disposed between the gate terminal and the drain terminal. The gate terminal is connected with the initial-voltage-signal terminal via the second switch. The source terminal is connected with the driving-voltage-signal terminal and the data-voltage-signal terminal via the third switch and the fourth switch, respectively. The first capacitor is connected between the gate terminal and a ground terminal. The second capacitor is connected between the gate terminal and the source terminal. The present application further provides a pixel driving method and a display panel.Type: ApplicationFiled: November 30, 2017Publication date: December 27, 2018Applicant: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventors: Xiaolong CHEN, Yi-Chien WEN, Ming-Jong JOU
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Publication number: 20180374421Abstract: The present application provides a pixel driving circuit, which comprises a driving transistor which comprises a gate terminal, a source terminal, and a drain terminal. The first switch is connected between the gate terminal and the drain terminal. The gate terminal is connected with the reset-voltage-signal terminal via the second switch. The source terminal is respectively connected with the driving-voltage-signal terminal and the data-voltage-signal terminal via the third switch and the fourth switch. The first capacitor is connected between the gate terminal and the charge-voltage terminal. The charge-voltage terminal is connected with a control terminal of the first switch. The second capacitor is connected between the gate terminal and the driving-voltage-signal terminal. The present application further provides a display panel.Type: ApplicationFiled: November 30, 2017Publication date: December 27, 2018Applicant: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventors: Xiaolong CHEN, Yi-Chien WEN, Ming-Jong JOU
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Publication number: 20180374420Abstract: The present application provides a pixel driving circuit, which comprises a driving transistor, which comprises a gate terminal, a source terminal, and a drain terminal. The source terminal is respectively connected with a driving-voltage-signal terminal and a charge-voltage terminal via a first switch and a second switch. The charge-voltage terminal is connected with a data-voltage-signal terminal via a third switch. The gate terminal is connected with an initial-voltage-signal terminal via a fourth switch, and the gate terminal is connected with the drain terminal via a fifth switch. A first capacitor is connected with the gate terminal and the charge-voltage terminal, a second capacitor is connected with the gate terminal and a ground terminal. The present application further provides a pixel driving method and a display panel.Type: ApplicationFiled: November 30, 2017Publication date: December 27, 2018Applicant: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventors: Xiaolong CHEN, Yi-Chien WEN, Ming-Jong JOU
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Patent number: 9443480Abstract: An exemplary data driving circuit for providing a display data voltage to a data line includes a data driving module. The data driving module includes a display data buffer unit and a switching element. The display data buffer unit is used to provide the display data voltage. The switching element is electrically coupled between the display data buffer unit and the data line and determines whether to allow the display data voltage provided by the display data buffer unit to be transmitted to the data line according to a control signal. Furthermore, the control signal controls the switching element to be turned off when the display data voltage provided by the display data buffer unit equals a predetermined voltage. Moreover, a display panel using the above data driving circuit also is provided.Type: GrantFiled: August 26, 2011Date of Patent: September 13, 2016Assignee: AU OPTRONICS CORP.Inventors: Chia-Hsien Chu, Chun-Chi Lai, Yi-Chien Wen
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Patent number: 9343012Abstract: A driving circuit of an active matrix/organic light emitting diode (AMOLED) includes a first semiconductor controllable switch, a second semiconductor controllable switch, an energy-storage capacitor, an organic light emitting diode, and a sequential control unit that divides a driving time of one frame of the organic light emitting diode into driving times of N subframes. An output end of the second semiconductor controllable switch is coupled to an anode of the organic light emitting diode, a source electrode of the first semiconductor controllable switch receives a data driving signal of the AMOLED, a gate electrode of the first semiconductor controllable switch receives a scan driving signal of the AMOLED, a drain electrode of the AMOLED is connected with a gate electrode of the second semiconductor controllable switch, and the energy-storage capacitor is connected in series between a source electrode and the gate electrode of the second semiconductor controllable switch.Type: GrantFiled: January 23, 2014Date of Patent: May 17, 2016Inventors: Yi-chien Wen, Li-wei Chu
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Publication number: 20150256820Abstract: The present invention provides a shutter glasses and a system and method for controlling the shutter glasses. The system includes: a receiver for receiving a 3D_Enable signal and a STV signal; a timer for timing from the moment when the 3D_Enable signal is in high level, and retiming once the STV signal triggered by a positive source is detected; and a resetter for resetting left and right shutter control signals at the moment when the STV signal is triggered by a positive source if the time started by the timer until the SW signal triggered by a positive source comes is longer than a set time, so that openings of left and right shutters of the shutter glasses synchronize with the left and right image signals. Therefore, a dislocation phenomenon may be effectively eliminated, and thus dizziness and discomfort of a user due to the dislocation phenomenon are reduced.Type: ApplicationFiled: January 17, 2014Publication date: September 10, 2015Applicant: Shenzhen China Star Optoelectronics Technology Co., Ltd.Inventors: Yufeng Jin, Yi-Chien Wen
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Publication number: 20150187255Abstract: A driving circuit of an active matrix/organic light emitting diode (AMOLED) includes a first semiconductor controllable switch, a second semiconductor controllable switch, an energy-storage. capacitor, an organic light emitting diode, and a sequential control unit that divides a driving time of one frame of the organic light emitting diode into driving times of N subframes. An output end of the second semiconductor controllable switch is coupled to an anode of the organic light emitting diode, a source electrode of the first semiconductor controllable switch receives a data driving signal of the AMOLED, a gate electrode of the first semiconductor controllable switch receives a scan driving signal of the AMOLED, a drain electrode of the AMOLED is connected with a gate electrode of the second semiconductor controllable switch, and the energy-storage capacitor is connected in series between a source electrode and the gate electrode of the second semiconductor controllable switch.Type: ApplicationFiled: January 23, 2014Publication date: July 2, 2015Inventors: Yi-chien Wen, Li-wei Chu
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Patent number: 8531458Abstract: An exemplary method of determining a pointing object position for three-dimensional interactive system, adapted for an interaction between a pointing object and a three-dimensional interaction display with embedded optical sensors. The method includes the steps of: acquiring a two-dimensional detected light intensity distribution caused by the pointing object acting on the three-dimensional interaction display; obtaining two light-shading intensity maximum values according to the two-dimensional detected light intensity distribution; and determining a one-dimensional positional information of the pointing object on a distance direction of the pointing object relative to the three-dimensional interaction display by use of the positional distance between the two light-shading intensity maximum values.Type: GrantFiled: June 30, 2010Date of Patent: September 10, 2013Assignee: AU Optronics Corp.Inventors: Yi-Pai Huang, Guo-Zhen Wang, Tsung-Wei Pai, Pi-Cheng Wu, Chi-Mao Hung, Wei-Min Sun, Yi-Chien Wen, Tsung-Hsien Hsieh
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Publication number: 20120262439Abstract: An exemplary data driving circuit for providing a display data voltage to a data line includes a data driving module. The data driving module includes a display data buffer unit and a switching element. The display data buffer unit is used to provide the display data voltage. The switching element is electrically coupled between the display data buffer unit and the data line and determines whether to allow the display data voltage provided by the display data buffer unit to be transmitted to the data line according to a control signal. Furthermore, the control signal controls the switching element to be turned off when the display data voltage provided by the display data buffer unit equals a predetermined voltage. Moreover, a display panel using the above data driving circuit also is provided.Type: ApplicationFiled: August 26, 2011Publication date: October 18, 2012Applicant: AU OPTRONICS CORP.Inventors: Chia-Hsien CHU, Chun-Chi Lai, Yi-Chien Wen
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Patent number: 8217882Abstract: An liquid crystal display with data compensating function includes a plurality of gate lines, a plurality of first data lines, a plurality of second data lines, a pixel array, a first common end, a second common end, a plurality of first coupling lines, and a plurality of second coupling lines. The first coupling lines are disposed correspondingly near the first data lines, and are coupled to the first common end. The second coupling lines are disposed correspondingly near the second data lines, and are coupled to the second common end. The first common end carries voltages having same polarity as those of the first data lines for driving the first coupling lines. The second common end carries voltages having same polarity as those of the second data lines for driving the second coupling lines. The first common end is isolated from the second common end.Type: GrantFiled: December 12, 2007Date of Patent: July 10, 2012Assignee: AU Optronics Corp.Inventors: Yi-Chien Wen, Chi-Mao Hung
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Patent number: 8154020Abstract: A photo-voltaic cell device includes a first electrode, an N-type doped silicon-rich dielectric layer, a P-type doped silicon-rich dielectric layer, and a second electrode. The N-type doped silicon-rich dielectric layer is disposed on the first electrode, and the N-type doped silicon-rich dielectric layer is doped with an N-type dopant. The P-type doped silicon-rich dielectric layer is disposed on the N-type doped silicon-rich dielectric layer, and the P-type doped silicon-rich dielectric layer is doped with a P-type dopant. The second electrode is disposed on the P-type doped silicon-rich dielectric layer. A display panel including the photo-voltaic cell device is also provided.Type: GrantFiled: May 12, 2009Date of Patent: April 10, 2012Assignee: Au Optronics CorporationInventors: An-Thung Cho, Chia-Tien Peng, Yu-Cheng Chen, Hong-Zhang Lin, Yi-Chien Wen, Wei-Min Sun, Chi-Mao Hung, Chun-Hsiun Chen
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Publication number: 20110298779Abstract: A driving method for driving an electrophoretic display device is provided. The electrophoretic display device comprises a plurality of scan lines. When scanning a frame of a first set of frames, the plurality of scan lines are sequentially enabled from top to bottom. When scanning a frame of a second set of frames, the plurality of scan lines are sequentially enable from bottom to top.Type: ApplicationFiled: January 28, 2011Publication date: December 8, 2011Inventors: He-Chen Chen, Wei-Min Sun, Yi-Chien Wen
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Publication number: 20110148859Abstract: An exemplary method of determining a pointing object position for three-dimensional interactive system, adapted for an interaction between a pointing object and a three-dimensional interaction display with embedded optical sensors. The method includes the steps of: acquiring a two-dimensional detected light intensity distribution caused by the pointing object acting on the three-dimensional interaction display; obtaining two light-shading intensity maximum values according to the two-dimensional detected light intensity distribution; and determining a one-dimensional positional information of the pointing object on a distance direction of the pointing object relative to the three-dimensional interaction display by use of the positional distance between the two light-shading intensity maximum values.Type: ApplicationFiled: June 30, 2010Publication date: June 23, 2011Applicant: AU OPTRONICS CORP.Inventors: Yi-Pai HUANG, Guo-Zhen Wang, Tsung-Wei Pai, Pi-Cheng Wu, Chi-Mao Hung, Wei-Min Sun, Yi-Chien Wen, Tsung-Hsien Hsieh
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Publication number: 20100163873Abstract: A photo-voltaic cell device includes a first electrode, an N-type doped silicon-rich dielectric layer, a P-type doped silicon-rich dielectric layer, and a second electrode. The N-type doped silicon-rich dielectric layer is disposed on the first electrode, and the N-type doped silicon-rich dielectric layer is doped with an N-type dopant. The P-type doped silicon-rich dielectric layer is disposed on the N-type doped silicon-rich dielectric layer, and the P-type doped silicon-rich dielectric layer is doped with a P-type dopant. The second electrode is disposed on the P-type doped silicon-rich dielectric layer. A display panel including the photo-voltaic cell device is also provided.Type: ApplicationFiled: May 12, 2009Publication date: July 1, 2010Applicant: Au Optronics CorporationInventors: An-Thung Cho, Chia-Tien Peng, Yu-Cheng Chen, Hong-Zhang Lin, Yi-Chien Wen, Wei-Min Sun, Chi-Mao Hung, Chun-Hsiun Chen
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Patent number: 7567228Abstract: A liquid crystal display (LCD) panel with power consumption reduction and methods of driving same. In one embodiment, the LCD panel includes a pixel matrix, a plurality of scanning lines and a plurality of data lines. Each pair of two neighboring scanning lines defines a pixel row therebetween, and each pair of two neighboring data lines defines a pixel column therebetween. Each pixel has at least a first sub-pixel and a second sub-pixel. Each sub-pixel has a sub-pixel electrode and a switching element electrically coupled to the sub-pixel electrode. Each pair of two neighboring scanning lines is electrically coupled to the switching elements of the first sub-pixel and the second sub-pixel of each pixel in the pixel row, respectively.Type: GrantFiled: September 4, 2008Date of Patent: July 28, 2009Assignee: AU Optronics CorporationInventors: Yi-Chien Wen, Chao-Liang Lu, Ken-Ming Chen, Chi-Mao Hung, Chun-Huai Li, Jing-Tin Kuo, Chang-Wei Su, Yao-Jen Hsieh
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Publication number: 20090102997Abstract: An liquid crystal display with data compensating function includes a plurality of gate lines, a plurality of first data lines, a plurality of second data lines, a pixel array, a first common end, a second common end, a plurality of first coupling lines, and a plurality of second coupling lines. The first coupling lines are disposed correspondingly near the first data lines, and are coupled to the first common end. The second coupling lines are disposed correspondingly near the second data lines, and are coupled to the second common end. The first common end carries voltages having same polarity as those of the first data lines for driving the first coupling lines. The second common end carries voltages having same polarity as those of the second data lines for driving the second coupling lines. The first common end is isolated from the second common end.Type: ApplicationFiled: December 12, 2007Publication date: April 23, 2009Inventors: Yi-Chien Wen, Chi-Mao Hung