Patents by Inventor Cheng-Han Tsao

Cheng-Han Tsao 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).

  • Patent number: 11520189
    Abstract: A display device includes a plurality of transparent voltage-dividing common electrodes and a plurality of pixel units. The transparent voltage-dividing common electrodes are electrically isolated from each other in a first direction. Each of the pixel units includes a first pixel electrode, a second pixel electrode, and a voltage-dividing switch. The first pixel electrode is configured to receive a data voltage. The second pixel electrode is configured to receive the data voltage. The voltage-dividing switch is configured to divide the data voltage on the second pixel electrode to one of the transparent voltage-dividing common electrodes.
    Type: Grant
    Filed: November 11, 2021
    Date of Patent: December 6, 2022
    Assignee: AU OPTRONICS CORPORATION
    Inventors: Sheng-Ju Ho, Cheng-Han Tsao, Shang-Jie Wu, Yi-Jung Chen, Hung-Che Lin, Shun-Ling Hou, Nai-Wen Chang
  • Publication number: 20220066269
    Abstract: A display device includes a plurality of transparent voltage-dividing common electrodes and a plurality of pixel units. The transparent voltage-dividing common electrodes are electrically isolated from each other in a first direction. Each of the pixel units includes a first pixel electrode, a second pixel electrode, and a voltage-dividing switch. The first pixel electrode is configured to receive a data voltage. The second pixel electrode is configured to receive the data voltage. The voltage-dividing switch is configured to divide the data voltage on the second pixel electrode to one of the transparent voltage-dividing common electrodes.
    Type: Application
    Filed: November 11, 2021
    Publication date: March 3, 2022
    Inventors: SHENG-JU HO, CHENG-HAN TSAO, SHANG-JIE WU, YI-JUNG CHEN, HUNG-CHE LIN, SHUN-LING HOU, NAI-WEN CHANG
  • Patent number: 10902805
    Abstract: A pixel structure is provided. The pixel structure includes a scan line and a data line, an active device, a pixel electrode, and a common electrode. The active device is electrically connected to the scan line and the data line. The pixel electrode is electrically connected to the active device. The common electrode is disposed to overlap with the pixel electrode. The common electrode is coupled to the pixel electrode to form a first storage capacitor and a second storage capacitor. The first storage capacitor and the second storage capacitor commonly use the pixel electrode as an upper electrode.
    Type: Grant
    Filed: November 7, 2018
    Date of Patent: January 26, 2021
    Assignee: Au Optronics Corporation
    Inventors: Hung-Che Lin, Cheng-Han Tsao, Sheng-Ju Ho, Shang-Jie Wu
  • Patent number: 10885875
    Abstract: The present invention provides a display device including a first display panel and a lens layer. The first display panel is provided with a first display area and a first frame located at a side of the first display area. The first display area includes a plurality of first pixels, and some of the first pixels form a first image adjustment area adjacent to the first frame. When the first image adjustment area receives a same first image source signal provided to the first display panel, brightness generated by the first pixels in the first image adjustment area is greater than that of the other first pixels in the first display area. The lens layer covers the first image adjustment area and the first frame and includes a plurality of lenses arranged side by side and respectively extending in an extending direction of the first frame.
    Type: Grant
    Filed: March 28, 2019
    Date of Patent: January 5, 2021
    Assignee: AU OPTRONICS CORPORATION
    Inventors: Wen-Tsan Lin, Cheng-Han Tsao, Wen-Lung Chen
  • Publication number: 20200004089
    Abstract: A display device includes a plurality of transparent voltage-dividing common electrodes and a plurality of pixel units. The transparent voltage-dividing common electrodes are electrically isolated from each other in a first direction. Each of the pixel units includes a first pixel electrode, a second pixel electrode, and a voltage-dividing switch. The first pixel electrode is configured to receive a data voltage. The second pixel electrode is configured to receive the data voltage. The voltage-dividing switch is configured to divide the data voltage on the second pixel electrode to one of the transparent voltage-dividing common electrodes.
    Type: Application
    Filed: June 28, 2019
    Publication date: January 2, 2020
    Inventors: SHENG-JU HO, CHENG-HAN TSAO, SHANG-JIE WU, YI-JUNG CHEN, HUNG-CHE LIN, SHUN-LING HOU, NAI-WEN CHANG
  • Publication number: 20190304404
    Abstract: The present invention provides a display device including a first display panel and a lens layer. The first display panel is provided with a first display area and a first frame located at a side of the first display area. The first display area includes a plurality of first pixels, and some of the first pixels form a first image adjustment area adjacent to the first frame. When the first image adjustment area receives a same first image source signal provided to the first display panel, brightness generated by the first pixels in the first image adjustment area is greater than that of the other first pixels in the first display area. The lens layer covers the first image adjustment area and the first frame and includes a plurality of lenses arranged side by side and respectively extending in an extending direction of the first frame.
    Type: Application
    Filed: March 28, 2019
    Publication date: October 3, 2019
    Inventors: Wen-Tsan Lin, Cheng-Han Tsao, Wen-Lung Chen
  • Publication number: 20190073975
    Abstract: A pixel structure is provided. The pixel structure includes a scan line and a data line, an active device, a pixel electrode, and a common electrode. The active device is electrically connected to the scan line and the data line. The pixel electrode is electrically connected to the active device. The common electrode is disposed to overlap with the pixel electrode. The common electrode is coupled to the pixel electrode to form a first storage capacitor and a second storage capacitor. The first storage capacitor and the second storage capacitor commonly use the pixel electrode as an upper electrode.
    Type: Application
    Filed: November 7, 2018
    Publication date: March 7, 2019
    Applicant: Au Optronics Corporation
    Inventors: Hung-Che Lin, Cheng-Han Tsao, Sheng-Ju Ho, Shang-Jie Wu
  • Patent number: 10163412
    Abstract: A pixel structure is provided. The pixel structure includes a scan line and a data line, an active device, a pixel electrode, and a common electrode. The active device is electrically connected to the scan line and the data line. The pixel electrode is electrically connected to the active device. The common electrode is disposed to overlap with the pixel electrode. The common electrode is coupled to the pixel electrode to form a first storage capacitor and a second storage capacitor. The first storage capacitor and the second storage capacitor commonly use the pixel electrode as an upper electrode.
    Type: Grant
    Filed: April 29, 2015
    Date of Patent: December 25, 2018
    Assignee: Au Optronics Corporation
    Inventors: Hung-Che Lin, Cheng-Han Tsao, Sheng-Ju Ho, Shang-Jie Wu
  • Patent number: 9785019
    Abstract: A pixel structure including an active device and a pixel electrode is provided. The pixel electrode is electrically connected to the active device and includes a main trunk portion and branch portions. The main trunk portion includes a first extending part and a second extending part that cross each other. The plurality of branching portions is connected to the main trunk portion, and each branching portions is separated by the main trunk portion. The branching portions include a plurality of first branching part and a plurality of second branching part. The first extending part separates the first and second branching part. An included angle of at least part of the first branching part and the second extending part is ?1, an included angle of at least part of the second branching part and the second extending part is ?2, and ?1 is not equal to ?2.
    Type: Grant
    Filed: November 25, 2015
    Date of Patent: October 10, 2017
    Assignee: Au Optronics Corporation
    Inventors: Hung-Che Lin, Yi-Jung Chen, Cheng-Han Tsao, Sheng-Ju Ho
  • Publication number: 20170059946
    Abstract: A pixel structure including an active device and a pixel electrode is provided. The pixel electrode is electrically connected to the active device and includes a main trunk portion and branch portions. The main trunk portion includes a first extending part and a second extending part that cross each other. The plurality of branching portions is connected to the main trunk portion, and each branching portions is separated by the main trunk portion. The branching portions include a plurality of first branching part and a plurality of second branching part. The first extending part separates the first and second branching part. An included angle of at least part of the first branching part and the second extending part is ?1, an included angle of at least part of the second branching part and the second extending part is ?2, and ?1 is not equal to ?2.
    Type: Application
    Filed: November 25, 2015
    Publication date: March 2, 2017
    Inventors: Hung-Che Lin, Yi-Jung Chen, Cheng-Han Tsao, Sheng-Ju Ho
  • Patent number: 9482926
    Abstract: A lens structure and a 3D display device having the same are provided. The lens structure has unit regions. Each unit region includes upper and lower substrates, an anisotropic birefringence medium, center electrodes, edge electrodes and at least one set of side electrodes. The upper and the lower substrates are disposed oppositely to each other. The anisotropic birefringence medium is located between the upper and lower substrates. The center electrodes, the edge electrodes and the at least one set of side electrodes are located on the upper and lower substrates. The edge electrodes are disposed corresponding to the center electrodes. The at least one set of side electrodes are disposed between the center electrodes and the edge electrodes. An electric field distribution is formed between the center electrodes, the edge electrodes and the at least one set of side electrodes, so that the anisotropic birefringence medium constitutes a Fresnel lens.
    Type: Grant
    Filed: October 15, 2014
    Date of Patent: November 1, 2016
    Assignee: Au Optronics Corporation
    Inventors: I-Wei Chen, Hsueh-Fang Yeh, Sheng-Ju Ho, Cheng-Han Tsao, Ching-Tsun Chang, Chih-Yuan Huang
  • Publication number: 20160140915
    Abstract: A pixel structure is provided. The pixel structure includes a scan line and a data line, an active device, a pixel electrode, and a common electrode. The active device is electrically connected to the scan line and the data line. The pixel electrode is electrically connected to the active device. The common electrode is disposed to overlap with the pixel electrode. The common electrode is coupled to the pixel electrode to form a first storage capacitor and a second storage capacitor. The first storage capacitor and the second storage capacitor commonly use the pixel electrode as an upper electrode.
    Type: Application
    Filed: April 29, 2015
    Publication date: May 19, 2016
    Inventors: Hung-Che Lin, Cheng-Han Tsao, Sheng-Ju Ho, Shang-Jie Wu
  • Patent number: 9325982
    Abstract: A pixel array, a pixel structure, and a driving method of a pixel structure are provided. The pixel structure includes a first scan line, a second scan line, a first common electrode line, a data line, a first active device, a second device, a first pixel electrode, and a second pixel electrode. The data line is intersected with the first scan line and the second scan line. The first active device is driven by the first scan line and connected to the data line. The second active device is driven by the second scan line and connected to the first common electrode line. The first pixel electrode is electrically connected to the data line through the first active device. The second pixel electrode is electrically connected to the data line through the first active device and electrically connected to the first common electrode line through the second active device.
    Type: Grant
    Filed: May 6, 2015
    Date of Patent: April 26, 2016
    Assignee: Au Optronics Corporation
    Inventors: Sheng-Ju Ho, Cheng-Han Tsao, Chung-Yi Chiu, Chao-Yuan Chen, Wen-Hao Hsu, Peng-Bo Xi
  • Publication number: 20160097950
    Abstract: A curved display panel bended along a first direction is provided. The curved display panel has a first peripheral area, a center area, and a second peripheral area sequentially arranged along the first direction. The curved display panel includes a first substrate, data lines, scan lines, pixel units, a second substrate opposite to the first substrate, and a display medium disposed between the first substrate and the second substrate. The data lines and the scan lines are crossed to define pixel regions. The pixel units are respectively located in the pixel regions. The aperture ratio of at least one of the pixel regions located in the first peripheral area and the aperture ratio of at least one of the pixel regions located in the second peripheral area are smaller than the aperture ratio of at least one of the pixel regions located in the center area.
    Type: Application
    Filed: April 17, 2015
    Publication date: April 7, 2016
    Inventors: Nai-Wen Chang, Chen-Yang Wei, Hung-Che Lin, Sheng-Ju Ho, Cheng-Han Tsao, Wen-Lung Chen
  • Patent number: 9158164
    Abstract: A pixel array substrate and a display panel are provided. The pixel array substrate includes a substrate, scan line groups, data lines, and pixel structures. The scan line groups are disposed on the substrate. The data lines are intersected with the scan line groups. The pixel structures are connected to the scan line groups and the data lines. Each pixel structure includes an active device group, a first pixel electrode, a second pixel electrode, and a connection electrode. The first pixel electrode is located between the second pixel electrode and the nth scan line group. The connection electrode is located at a side of the first pixel electrode adjacent to one data line. The second pixel electrode is electrically connected to the active device group through the connection electrode. The connection electrode, the first pixel electrode, and the second pixel electrode are of the same layer.
    Type: Grant
    Filed: November 22, 2011
    Date of Patent: October 13, 2015
    Assignee: Au Optronics Corporation
    Inventors: Chin-An Tseng, Sheng-Ju Ho, Tien-Lun Ting, Cheng-Han Tsao, Ming-Yung Huang, Yen-Heng Huang, Pei-Chun Liao, Wen-Hao Hsu
  • Publication number: 20150237339
    Abstract: A pixel array, a pixel structure, and a driving method of a pixel structure are provided. The pixel structure includes a first scan line, a second scan line, a first common electrode line, a data line, a first active device, a second device, a first pixel electrode, and a second pixel electrode. The data line is intersected with the first scan line and the second scan line. The first active device is driven by the first scan line and connected to the data line. The second active device is driven by the second scan line and connected to the first common electrode line. The first pixel electrode is electrically connected to the data line through the first active device. The second pixel electrode is electrically connected to the data line through the first active device and electrically connected to the first common electrode line through the second active device.
    Type: Application
    Filed: May 6, 2015
    Publication date: August 20, 2015
    Inventors: Sheng-Ju Ho, Cheng-Han Tsao, Chung-Yi Chiu, Chao-Yuan Chen, Wen-Hao Hsu, Peng-Bo Xi
  • Patent number: 9052557
    Abstract: A pixel array, a pixel structure, and a driving method of a pixel structure are provided. The pixel structure includes a first scan line, a second scan line, a first common electrode line, a data line, a first active device, a second device, a first pixel electrode, and a second pixel electrode. The data line is intersected with the first scan line and the second scan line. The first active device is driven by the first scan line and connected to the data line. The second active device is driven by the second scan line and connected to the first common electrode line. The first pixel electrode is electrically connected to the data line through the first active device. The second pixel electrode is electrically connected to the data line through the first active device and electrically connected to the first common electrode line through the second active device.
    Type: Grant
    Filed: June 23, 2011
    Date of Patent: June 9, 2015
    Assignee: Au Optronics Corporation
    Inventors: Sheng-Ju Ho, Cheng-Han Tsao, Chung-Yi Chiu, Chao-Yuan Chen, Wen-Hao Hsu, Peng-Bo Xi
  • Patent number: 9036259
    Abstract: An autostereoscopic display apparatus includes a substrate, a plurality of sub-pixels, a plurality of concave lens structures, a middle layer and a lenticular layer. The sub-pixels are disposed on the substrate, and each sub-pixel includes a light permeable area and at least one light masking area. The concave lens structures are disposed on the sub-pixels and on the optical paths of the light permeable areas. The middle layer is disposed on the concave lens structures, wherein the concave lens structures is used to expand the illumination distribution of the light from the light permeable areas of the sub-pixels, so as to form a plurality of virtual sub-pixel patterns. The projections of virtual sub-pixel patterns respectively projected to the sub-pixels cover the light masking areas of the sub-pixels. The focal point of the lenticular layer falls on the virtual sub-pixel patterns.
    Type: Grant
    Filed: March 6, 2013
    Date of Patent: May 19, 2015
    Assignee: AU OPTRONICS CORPORATION
    Inventors: Hsin-Ying Wu, Cheng-Han Tsao
  • Publication number: 20150131013
    Abstract: A lens structure and a 3D display device having the same are provided. The lens structure has unit regions. Each unit region includes upper and lower substrates, an anisotropic birefringence medium, center electrodes, edge electrodes and at least one set of side electrodes. The upper and the lower substrates are disposed oppositely to each other. The anisotropic birefringence medium is located between the upper and lower substrates. The center electrodes, the edge electrodes and the at least one set of side electrodes are located on the upper and lower substrates. The edge electrodes are disposed corresponding to the center electrodes. The at least one set of side electrodes are disposed between the center electrodes and the edge electrodes. An electric field distribution is formed between the center electrodes, the edge electrodes and the at least one set of side electrodes, so that the anisotropic birefringence medium constitutes a Fresnel lens.
    Type: Application
    Filed: October 15, 2014
    Publication date: May 14, 2015
    Inventors: I-Wei Chen, Hsueh-Fang Yeh, Sheng-Ju Ho, Cheng-Han Tsao, Ching-Tsun Chang, Chih-Yuan Huang
  • Patent number: 8872866
    Abstract: A 3D display panel includes a plurality of first and second viewing angle pixels arranged along a first direction for displaying first and second viewing angle images respectively. The first viewing angle pixels and the second viewing angle pixels are interlacedly arranged along a second direction. A method for controlling pixel brightness of the 3D display panel includes determining a brightness value of a first block of a first viewing angle pixel according to a brightness value of the first viewing angle pixel and a brightness value of a second viewing angle pixel next to the first viewing angle pixel along the second direction, and determining a brightness value of a second block of the first viewing angle pixel according to the brightness value of the first block of the first viewing angle pixel and the brightness value of the first viewing angle pixel.
    Type: Grant
    Filed: October 30, 2011
    Date of Patent: October 28, 2014
    Assignee: AU Optronics Corp.
    Inventors: Chih-Yao Ma, Yu-Cheng Chang, Yi-Pai Huang, Cheng-Han Tsao, Chao-Yuan Chen