Patents by Inventor Chien-Huang Liao

Chien-Huang Liao 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).

  • Publication number: 20200272010
    Abstract: A pixel array substrate including a substrate, data lines, gate lines, pixels, and transfer lines is provided. The data lines are disposed on the substrate and arranged in a first direction. The gate lines are disposed on the substrate and arranged in a second direction interlaced with the first direction. The pixels are disposed on the substrate, each of which includes an active device electrically connected to one of the data lines and one of the gate lines and a pixel electrode electrically connected to the active device. The transfer lines are arranged in the first direction and electrically connected to the gate lines, respectively. The pixels include first pixels. In a top view of the pixel array substrate, at least one of the pixel electrodes of the first pixels is partially overlapped with one of the transfer lines. A driving method of a pixel array substrate is also provided.
    Type: Application
    Filed: February 18, 2020
    Publication date: August 27, 2020
    Applicant: Au Optronics Corporation
    Inventors: Min-Tse Lee, Sheng-Yen Cheng, Yueh-Hung Chung, Kuang-Hsiang Liao, Yang-Chun Lee, Yan-Kai Wang, Ya-Ling Hsu, Yi-Ren Chen, Hung-Che Lin, Sheng-Ju Ho, Chien-Huang Liao, Chen-Hsien Liao
  • Patent number: 10698271
    Abstract: A liquid crystal display panel includes a first substrate, a second substrate, a liquid crystal layer, a plurality of first regions and a plurality of second regions. The first regions and the second regions are formed on the first substrate and the second substrate. In a narrow viewing mode, the luminous flux of the first regions along a first viewing direction is different from that of the first regions along a second viewing direction opposite to the first viewing direction, and the luminous flux of the second regions along the first viewing direction is substantially different from that of the first regions along the first viewing direction.
    Type: Grant
    Filed: August 27, 2018
    Date of Patent: June 30, 2020
    Assignee: AU OPTRONICS CORPORATION
    Inventors: Chao-Wei Yeh, Chien-Huang Liao, Wen-Hao Hsu, Tien-Lun Ting, Chao-Yuan Chen, Jenn-Jia Su
  • Patent number: 10657872
    Abstract: A display device includes a plurality of gate lines, configured to output corresponding scan signals to corresponding pixels; a plurality of data lines, configured to receive display data and output corresponding pixel voltages to corresponding pixels, where the plurality of data lines includes 12 successive data lines from left to right; a gate driver, electrically coupled to the gate lines, configured to drive the pixels; and a data driver, electrically coupled to the data lines, configured to provide data signals to the pixels, where the data driver respectively provides data with polarities of: positive, negative, positive, negative, positive, negative, negative, positive, negative, positive, negative, and positive to the 12 data lines, and each column of pixels includes pixels in two forms; when the display data has a same gray scale, the data driver respectively provides two different pixel voltages to the pixels in two forms.
    Type: Grant
    Filed: October 12, 2017
    Date of Patent: May 19, 2020
    Assignee: AU OPTRONICS CORPORATION
    Inventors: Kun-Cheng Tien, Chien-Huang Liao, Jia-Long Wu
  • Patent number: 10529291
    Abstract: A display panel includes a driver, X data lines, Y scan lines, and X*Y pixels. The driver is configured to receive display data with X*Y resolution. The X data lines are electrically connected to the driver and configured to receive a plurality of pixel voltages. The X*Y pixels are electrically connected to the data lines and the scan lines. When each gray level of a first color display data set is identical and lower than a first threshold value, the pixel voltages of the plurality of first color subpixels are not identical.
    Type: Grant
    Filed: September 6, 2016
    Date of Patent: January 7, 2020
    Assignee: AU OPTRONICS CORPORATION
    Inventors: Kun-Cheng Tien, Chien-Huang Liao, Jia-Long Wu, Wen-Hao Hsu, Yung-Jen Chen
  • Patent number: 10373579
    Abstract: In an exemplary flat display apparatus and control circuit and method for controlling the flat display apparatus, the flat display apparatus includes a plurality of gate driving units, each of which controls the operation of a scan line in the flat display apparatus. The flat display apparatus provides a first gate high level voltage signal and a second gate high level voltage signal to the gate driving units such that the first and second gate high level voltage signals are used as voltage signals transmitted to corresponding scan lines. The first and second gate high level voltage signals respectively include a falling edge with a slope. Duration time of the falling edge of the first gate high level voltage signal is longer than that of the falling edge of the second gate high level voltage signal.
    Type: Grant
    Filed: June 6, 2017
    Date of Patent: August 6, 2019
    Assignee: AU OPTRONICS CORP.
    Inventors: Chun-Fan Chung, Tien-Lun Ting, Chia-Chi Tsai, Ming-Hung Tu, Chien-Huang Liao, Yu-Chieh Chen, Pin-Miao Liu
  • Patent number: 10235921
    Abstract: A display device includes a plurality of data lines, a plurality of scan lines, and a pixel array. The pixel array is electrically coupled to the data lines and the scan lines. Colors of the sub pixels electrically coupled to the same scan line are the same. The pixel array includes a plurality of first color sub-pixel rows, a plurality of second color sub-pixel rows, and a plurality of third color sub-pixel rows. The third color sub-pixels corresponding to the same data line include a first sub-pixel and a second sub-pixel. The first sub-pixel and the second sub-pixel have different polarities. The sub-pixels configured between the first sub-pixel and the second sub-pixel have the same polarity.
    Type: Grant
    Filed: March 17, 2017
    Date of Patent: March 19, 2019
    Assignee: AU OPTRONICS CORPORATION
    Inventors: Kun-Cheng Tien, Chien-Huang Liao, Jia-Long Wu, Shu-En Li
  • Patent number: 10176771
    Abstract: A display panel includes a pixel array, a gate driving circuit, and a data driving circuit. The pixel array includes a plurality of pixel blocks, a plurality of gate lines and a plurality of data lines. The gate driving circuit is electrically coupled to the gate lines for driving sub-pixels of the pixel array. The data driving circuit is electrically coupled to the data lines for providing data signals to the sub-pixels of the pixel array. The sub-pixels of each pixel block include a plurality of first sub-pixels and a plurality of second sub-pixels. For each pixel block, the first sub-pixels and the second sub-pixels have same quantity. For displaying a specified gray-scale value, a luminance value in each first sub-pixel is greater than a luminance value in each second sub-pixel. The data driving circuit changes a polarity of each sub-pixel of the pixel array by using a polarization sequence.
    Type: Grant
    Filed: April 18, 2017
    Date of Patent: January 8, 2019
    Assignee: AU OPTRONICS CORPORATION
    Inventors: Kun-Cheng Tien, Shu-En Li, Chien-Huang Liao, Jia-Long Wu
  • Publication number: 20180364528
    Abstract: A liquid crystal display panel includes a first substrate, a second substrate, a liquid crystal layer, a plurality of first regions and a plurality of second regions. The first regions and the second regions are formed on the first substrate and the second substrate. In a narrow viewing mode, the luminous flux of the first regions along a first viewing direction is different from that of the first regions along a second viewing direction opposite to the first viewing direction, and the luminous flux of the second regions along the first viewing direction is substantially different from that of the first regions along the first viewing direction.
    Type: Application
    Filed: August 27, 2018
    Publication date: December 20, 2018
    Inventors: Chao-Wei Yeh, Chien-Huang Liao, Wen-Hao Hsu, Tien-Lun Ting, Chao-Yuan Chen, Jenn-Jia Su
  • Patent number: 10082711
    Abstract: A liquid crystal display panel includes a first substrate, a second substrate, a liquid crystal layer, a plurality of first regions and a plurality of second regions. The first regions and the second regions are formed on the first substrate and the second substrate. In a narrow viewing mode, the luminous flux of the first regions along a first viewing direction is different from that of the first regions along a second viewing direction opposite to the first viewing direction, and the luminous flux of the second regions along the first viewing direction is substantially different from that of the first regions along the first viewing direction.
    Type: Grant
    Filed: May 20, 2015
    Date of Patent: September 25, 2018
    Assignee: AU OPTRONICS CORP.
    Inventors: Chao-Wei Yeh, Chien-Huang Liao, Wen-Hao Hsu, Tien-Lun Ting, Chao-Yuan Chen, Jenn-Jia Su
  • Patent number: 9995957
    Abstract: A pixel structure is provided. The pixel structure includes an active device, a first pixel electrode, a second pixel electrode, and a conductive line. The first pixel electrode is electrically connected to the active device. The second pixel electrode and the first pixel electrode are electrically insulated. The conductive line is located below the first pixel electrode and the second pixel electrode. The active device is electrically connected to the first pixel electrode through the conductive line. The conductive line is coupled to the second pixel electrode to form a coupling capacitance.
    Type: Grant
    Filed: June 5, 2017
    Date of Patent: June 12, 2018
    Assignee: Au Optronics Corporation
    Inventors: Kun-Cheng Tien, Shin-Mei Gong, Chih-Chang Shih, Chien-Huang Liao
  • Publication number: 20180114478
    Abstract: A display device includes a plurality of gate lines, configured to output corresponding scan signals to corresponding pixels; a plurality of data lines, configured to receive display data and output corresponding pixel voltages to corresponding pixels, where the plurality of data lines includes 12 successive data lines from left to right; a gate driver, electrically coupled to the gate lines, configured to drive the pixels; and a data driver, electrically coupled to the data lines, configured to provide data signals to the pixels, where the data driver respectively provides data with polarities of: positive, negative, positive, negative, positive, negative, negative, positive, negative, positive, negative, and positive to the 12 data lines, and each column of pixels includes pixels in two forms; when the display data has a same gray scale, the data driver respectively provides two different pixel voltages to the pixels in two forms.
    Type: Application
    Filed: October 12, 2017
    Publication date: April 26, 2018
    Inventors: Kun-Cheng TIEN, Chien-Huang LIAO, Jia-Long WU
  • Publication number: 20180053461
    Abstract: A display device includes a plurality of first color sub-pixel columns, a plurality of second color sub-pixel columns, a plurality of third color sub-pixel columns, a plurality of gate lines, a plurality of data lines, a gate driver, and a data driver. Each sub-pixel column includes a first type sub-pixel and a second type sub-pixel. Any two adjacent sub-pixels in a same column are electrically connected to different data lines. When grey levels of display data are the same, the data driver provides a first sub-pixel voltage and a second sub-pixel voltage to the first type sub-pixel and the second type sub-pixel respectively. The first sub-pixel voltage is different from the second sub-pixel voltage.
    Type: Application
    Filed: July 26, 2017
    Publication date: February 22, 2018
    Inventors: Kun-Cheng TIEN, Chien-Huang Liao, Ti-Kuei Yu, Jia-Long Wu
  • Patent number: 9864245
    Abstract: A pixel structure including a plurality of sub-pixels arranged in array is provided. Each of the sub-pixels includes an active device and a pixel electrode electrically connected to the active device respectively. Each of the pixel electrodes includes a plurality of stripe patterns respectively, and spacings of at least one portion of the stripe patterns of at least one of the sub-pixels are larger than spacings of the stripe patterns of the other sub-pixels.
    Type: Grant
    Filed: August 10, 2015
    Date of Patent: January 9, 2018
    Assignee: Au Optronics Corporation
    Inventors: Kun-Cheng Tien, Shu-En Li, Chien-Huang Liao
  • Publication number: 20170330520
    Abstract: A display panel includes a pixel array, a gate driving circuit, and a data driving circuit. The pixel array includes a plurality of pixel blocks, a plurality of gate lines and a plurality of data lines. The gate driving circuit is electrically coupled to the gate lines for driving sub-pixels of the pixel array. The data driving circuit is electrically coupled to the data lines for providing data signals to the sub-pixels of the pixel array. The sub-pixels of each pixel block include a plurality of first sub-pixels and a plurality of second sub-pixels. For each pixel block, the first sub-pixels and the second sub-pixels have same quantity. For displaying a specified gray-scale value, a luminance value in each first sub-pixel is greater than a luminance value in each second sub-pixel. The data driving circuit changes a polarity of each sub-pixel of the pixel array by using a polarization sequence.
    Type: Application
    Filed: April 18, 2017
    Publication date: November 16, 2017
    Inventors: Kun-Cheng TIEN, Shu-En LI, Chien-Huang LIAO, Jia-Long WU
  • Publication number: 20170278444
    Abstract: A display device includes a plurality of data lines, a plurality of scan lines, and a pixel array. The pixel array is electrically coupled to the data lines and the scan lines. Colors of the sub pixels electrically coupled to the same scan line are the same. The pixel array includes a plurality of first color sub-pixel rows, a plurality of second color sub-pixel rows, and a plurality of third color sub-pixel rows. The third color sub-pixels corresponding to the same data line include a first sub-pixel and a second sub-pixel. The first sub-pixel and the second sub-pixel have different polarities. The sub-pixels configured between the first sub-pixel and the second sub-pixel have the same polarity.
    Type: Application
    Filed: March 17, 2017
    Publication date: September 28, 2017
    Inventors: Kun-Cheng TIEN, Chien-Huang LIAO, Jia-Long WU, Shu-En LI
  • Publication number: 20170270890
    Abstract: In an exemplary flat display apparatus and control circuit and method for controlling the flat display apparatus, the flat display apparatus includes a plurality of gate driving units, each of which controls the operation of a scan line in the flat display apparatus. The flat display apparatus provides a first gate high level voltage signal and a second gate high level voltage signal to the gate driving units such that the first and second gate high level voltage signals are used as voltage signals transmitted to corresponding scan lines. The first and second gate high level voltage signals respectively include a falling edge with a slope. Duration time of the falling edge of the first gate high level voltage signal is longer than that of the falling edge of the second gate high level voltage signal.
    Type: Application
    Filed: June 6, 2017
    Publication date: September 21, 2017
    Inventors: CHUN-FAN CHUNG, TIEN-LUN TING, CHIA-CHI TSAI, MING-HUNG TU, CHIEN-HUANG LIAO, YU-CHIEH CHEN, PIN-MIAO LIU
  • Publication number: 20170269408
    Abstract: A pixel structure is provided. The pixel structure includes an active device, a first pixel electrode, a second pixel electrode, and a conductive line. The first pixel electrode is electrically connected to the active device. The second pixel electrode and the first pixel electrode are electrically insulated. The conductive line is located below the first pixel electrode and the second pixel electrode. The active device is electrically connected to the first pixel electrode through the conductive line. The conductive line is coupled to the second pixel electrode to form a coupling capacitance.
    Type: Application
    Filed: June 5, 2017
    Publication date: September 21, 2017
    Applicant: Au Optronics Corporation
    Inventors: Kun-Cheng Tien, Shin-Mei Gong, Chih-Chang Shih, Chien-Huang Liao
  • Patent number: 9740055
    Abstract: A pixel structure is provided. The pixel structure includes an active device, a first pixel electrode, a second pixel electrode, and a conductive line. The first pixel electrode is electrically connected to the active device. The second pixel electrode and the first pixel electrode are electrically insulated. The conductive line is located below the first pixel electrode and the second pixel electrode. The active device is electrically connected to the first pixel electrode through the conductive line. The conductive line is coupled to the second pixel electrode to form a coupling capacitance.
    Type: Grant
    Filed: October 8, 2014
    Date of Patent: August 22, 2017
    Assignee: Au Optronics Corporation
    Inventors: Kun-Cheng Tien, Shin-Mei Gong, Chih-Chang Shih, Chien-Huang Liao
  • Patent number: 9697793
    Abstract: In an exemplary flat display apparatus and control circuit and method for controlling the flat display apparatus, the flat display apparatus includes a plurality of gate driving units, each of which controls the operation of a scan line in the flat display apparatus. The flat display apparatus provides a first gate high level voltage signal and a second gate high level voltage signal to the gate driving units such that the first and second gate high level voltage signals are used as voltage signals transmitted to corresponding scan lines. The first and second gate high level voltage signals respectively include a falling edge with a slope. Duration time of the falling edge of the first gate high level voltage signal is longer than that of the falling edge of the second gate high level voltage signal.
    Type: Grant
    Filed: January 6, 2015
    Date of Patent: July 4, 2017
    Assignee: AU OPTRONICS CORP.
    Inventors: Chun-Fan Chung, Tien-Lun Ting, Chia-Chi Tsai, Ming-Hung Tu, Chien-Huang Liao, Yu-Chieh Chen, Pin-Miao Liu
  • Publication number: 20170116934
    Abstract: A display panel includes a driver, X data lines, Y scan lines, and X*Y pixels. The driver is configured to receive display data with X*Y resolution. The X data lines are electrically connected to the driver and configured to receive a plurality of pixel voltages. The X*Y pixels are electrically connected to the data lines and the scan lines. When each gray level of a first color display data set is identical and lower than a first threshold value, the pixel voltages of the plurality of first color subpixels are not identical.
    Type: Application
    Filed: September 6, 2016
    Publication date: April 27, 2017
    Inventors: Kun-Cheng TIEN, Chien-Huang LIAO, Jia-Long WU, Wen-Hao HSU, Yung-Jen CHEN