Patents by Inventor Jen-Chieh Chen

Jen-Chieh Chen 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: 9293095
    Abstract: In one aspect of the invention, a source driver for driving a display panel to display an image data in an adaptive column inversion includes a data processing unit having a logic circuit adapted for determining N most-significant bits (MSBs) of image data signals of two neighboring data lines, such that when all of the N MSBs are equal to 1 or 0, the output of the logic circuit is 1, otherwise, the output of the logic circuit is 0, and a MUX coupled to the data processing unit and adapted for receiving a frame polarity control signal, FramePOL, and a pixel polarity control signal, XPOL, and selectively outputting the frame polarity control signal FramePOL when the output of the logic circuit is 1, or the pixel polarity control signal POL when the output of the logic circuit is 0, as a polarity control signal, POL.
    Type: Grant
    Filed: May 28, 2014
    Date of Patent: March 22, 2016
    Assignee: AU OPTRONICS CORPORATION
    Inventors: Chao-Ching Hsu, Jen-Chieh Chen, Mu-Lin Tung
  • Patent number: 9178086
    Abstract: A method for fabricating back-contact type solar cells is provided. The method comprises forming a plurality of n-type doped zones, a plurality of p-type doped zones, and a back anti-reflection layer on a back surface of a semiconductor substrate. The lead-containing conductive paste may pass through the back anti-reflection layer and connect to the n-type doped zones and the p-type doped zones thereby being regarded as n-type electrodes and p-type electrodes.
    Type: Grant
    Filed: September 5, 2014
    Date of Patent: November 3, 2015
    Assignee: AU OPTRONICS CORPORATION
    Inventors: Yen-Cheng Hu, Jen-Chieh Chen, Zhen-Cheng Wu
  • Publication number: 20150243806
    Abstract: A method for fabricating back-contact type solar cells is provided. The method comprises forming a plurality of n-type doped zones, a plurality of p-type doped zones, and a back anti-reflection layer on a back surface of a semiconductor substrate. The lead-containing conductive paste may pass through the back anti-reflection layer and connect to the n-type doped zones and the p-type doped zones thereby being regarded as n-type electrodes and p-type electrodes.
    Type: Application
    Filed: September 5, 2014
    Publication date: August 27, 2015
    Inventors: Yen-Cheng HU, Jen-Chieh CHEN, Zhen-Cheng WU
  • Patent number: 9058785
    Abstract: An exemplary image displaying method for a display device includes steps of: providing display data to pixels of the display device for displaying images; taking a special amount of frame of images as an image group, making polarities of a same pixel being of adjacent two frame of images in the image group and using a same polarity inversion in the adjacent two frame of images be different from each other, and making polarities of a same pixel being of the last frame of image in a former one of adjacent two image groups and of the first frame of image in a latter one of the adjacent two image groups and using the same polarity inversion in the last and first frame of images be the same with each other.
    Type: Grant
    Filed: October 15, 2013
    Date of Patent: June 16, 2015
    Assignee: AU OPTRONICS CORP.
    Inventors: Jen-Chieh Chen, Chao-Ching Hsu, Tzu-Hui Hsu
  • Patent number: 8928705
    Abstract: A liquid crystal display having common voltage compensation mechanism includes a liquid-crystal capacitor common electrode for receiving a liquid-crystal capacitor common voltage, a storage capacitor common electrode for receiving a storage capacitor common voltage, a common voltage generator for providing the liquid-crystal capacitor common voltage according to a preliminary common voltage, a common voltage compensation circuit electrically connected to the liquid-crystal capacitor common electrode and the storage capacitor common electrode, and a timing controller electrically connected to the common voltage compensation circuit. The common voltage compensation circuit is utilized for generating the storage capacitor common voltage through performing a ripple inverting operation according to the liquid-crystal capacitor common voltage, the preliminary common voltage and a compensation control signal.
    Type: Grant
    Filed: May 26, 2013
    Date of Patent: January 6, 2015
    Assignee: AU Optronics Corp.
    Inventors: Ching-Lin Li, Yi-Fan Lin, Jen-Chieh Chen
  • Patent number: 8878881
    Abstract: A liquid crystal display having common voltage compensation mechanism includes a liquid-crystal capacitor common electrode for receiving a liquid-crystal capacitor common voltage, a storage capacitor common electrode for receiving a storage capacitor common voltage, a common voltage generator for providing the liquid-crystal capacitor common voltage according to a preliminary common voltage, a common voltage compensation circuit electrically connected to the liquid-crystal capacitor common electrode and the storage capacitor common electrode, and a timing controller electrically connected to the common voltage compensation circuit. The common voltage compensation circuit is utilized for generating the storage capacitor common voltage through performing a ripple inverting operation according to the liquid-crystal capacitor common voltage, the preliminary common voltage and a compensation control signal.
    Type: Grant
    Filed: November 21, 2011
    Date of Patent: November 4, 2014
    Assignee: AU Optronics Corp.
    Inventors: Ching-Lin Li, Yi-Fan Lin, Jen-Chieh Chen
  • Publication number: 20140295612
    Abstract: A solar cell and a manufacturing method thereof are provided. A laser doping process is adopted to form positive and negative doping regions for an accurate control of the doping regions. No metal contact coverage issue arises since a contact opening is formed by later firing process. The solar cell is provided with a comb-like first electrode, a sheet-like second electrode corresponding to the doping regions to obtain high photoelectric conversion efficiency by fully utilizing the space in the semiconductor substrate. Furthermore, the sheet-like second electrode can be formed by a material having high reflectivity to improve the light utilization rate of the solar cell. The manufacturing process of the solar cell is simplified and the processing yield is improved.
    Type: Application
    Filed: June 13, 2014
    Publication date: October 2, 2014
    Inventors: Cheng-Chang Kuo, Yen-Cheng Hu, Hsin-Feng Lee, Tsung-Pao Chen, Jen-Chieh Chen, Zhen-Cheng Wu
  • Publication number: 20140267472
    Abstract: In one aspect of the invention, a source driver for driving a display panel to display an image data in an adaptive column inversion includes a data processing unit having a logic circuit adapted for determining N most-significant bits (MSBs) of image data signals of two neighboring data lines, such that when all of the N MSBs are equal to 1 or 0, the output of the logic circuit is 1, otherwise, the output of the logic circuit is 0, and a MUX coupled to the data processing unit and adapted for receiving a frame polarity control signal, FramePOL, and a pixel polarity control signal, XPOL, and selectively outputting the frame polarity control signal FramePOL when the output of the logic circuit is 1, or the pixel polarity control signal POL when the output of the logic circuit is 0, as a polarity control signal, POL.
    Type: Application
    Filed: May 28, 2014
    Publication date: September 18, 2014
    Applicant: AU Optronics Corporation
    Inventors: Chao-Ching Hsu, Jen-Chieh Chen, Mu-Lin Tung
  • Publication number: 20140267212
    Abstract: A plurality of pixels of a display panel are driven with a first polarity inversion to display a first image, driven with the first polarity inversion to display a second image after the first image is displayed, driven with a second polarity inversion to display a third image, and driven with the second polarity inversion to display a fourth image after the third image is displayed. The polarity of a first pixel of the first image is opposite to the polarity of a first pixel of the second image. The polarity of a first pixel of the third image is opposite to the polarity of a first pixel of the fourth image. The first polarity inversion is different from the second polarity inversion.
    Type: Application
    Filed: October 13, 2013
    Publication date: September 18, 2014
    Applicant: AU Optronics Corp
    Inventors: Jian-Feng Li, Jen-Chieh Chen, Kai-Yuan Siao, Yi-Fan Lin
  • Patent number: 8830155
    Abstract: The present invention in one aspect relates to a source driver for driving a display panel to display an image data in an adaptive column inversion. In one embodiment, the source driver includes a data processing unit having a logic circuit adapted for determining N most-significant bits (MSBs) of image data signals of two neighboring data lines, such that when all of the N MSBs are equal to 1 or 0, the output of the logic circuit is 1, otherwise, the output of the logic circuit is 0, and a MUX coupled to the data processing unit and adapted for receiving a frame polarity control signal, FramePOL, and a pixel polarity control signal, XPOL, and selectively outputting the frame polarity control signal FramePOL when the output of the logic circuit is 1, or the pixel polarity control signal POL when the output of the logic circuit is 0, as a polarity control signal, POL.
    Type: Grant
    Filed: October 30, 2009
    Date of Patent: September 9, 2014
    Assignee: AU Optronics Corporation
    Inventors: Chao-Ching Hsu, Jen-Chieh Chen, Mu-Lin Tung
  • Patent number: 8830279
    Abstract: A liquid crystal display having adaptive driving mechanism includes plural pixel array areas and a driving module. Each pixel array area has a plurality of pixels. The driving module includes a signal generation unit for generating grey-level signals corresponding to the pixels based on input image data, a weighting conversion unit for converting the grey-level signals corresponding to the pixels into a plurality of weightings, a weighting processing unit for generating a weighting sum by summing up the weightings corresponding to the pixel array area, an inversion-mode setting unit for setting a polarity inversion mode according to the weighting sum, and a data signal output unit. The data signal output unit is utilized for providing a plurality of data signals to be written into the pixel array area based on the polarity inversion mode.
    Type: Grant
    Filed: January 9, 2012
    Date of Patent: September 9, 2014
    Assignee: AU Optronics Corp.
    Inventors: Hsiao-Chung Cheng, Chao-Ching Hsu, Jen-Chieh Chen
  • Patent number: 8791919
    Abstract: An autostereoscopic display device having touch sensing mechanism includes a display panel for illustrating images, a touch sensing panel for detecting touch events, a 2D/3D switching panel disposed between the display panel and the touch sensing panel, and a control unit. The 2D/3D switching panel has a substrate, a first electrode disposed on the substrate, a counter substrate, and a second electrode disposed on the counter substrate. The control unit is employed to provide a first control signal and a second control signal furnished to the first electrode and the second electrode respectively. The first control signal is switched between a first high voltage and a first low voltage in a gradual-shift manner. The second control signal is switched between a second high voltage and a second low voltage in a gradual-shift or rapid-shift manner.
    Type: Grant
    Filed: April 25, 2012
    Date of Patent: July 29, 2014
    Assignee: AU Optronics Corp.
    Inventors: Hsiao-Chung Cheng, Jen-Chieh Chen, Tzu-Hsien Chuang, Ming-Sheng Lai, Shih-Hsiung Huang
  • Publication number: 20140060629
    Abstract: A solar cell includes a substrate, a first lightly-doped region, a second lightly-doped region, a second heavily-doped region, a first electrode and a second electrode. The first lightly-doped region having a first doping type is disposed in a first surface of the substrate. The second lightly-doped region and the second heavily-doped region having a second doping type different from the first doping type are disposed in a second surface of the substrate. The first electrode is disposed on the first surface of the substrate, and the second electrode is disposed on the second surface of the substrate.
    Type: Application
    Filed: August 8, 2013
    Publication date: March 6, 2014
    Applicant: AU Optronics Corp.
    Inventors: Liang-Hsing Lai, Chih-Cheng Lu, Jen-Chieh Chen, Zhen-Cheng Wu
  • Publication number: 20140055435
    Abstract: An exemplary image displaying method for a display device includes steps of: providing display data to pixels of the display device for displaying images; taking a special amount of frame of images as an image group, making polarities of a same pixel being of adjacent two frame of images in the image group and using a same polarity inversion in the adjacent two frame of images be different from each other, and making polarities of a same pixel being of the last frame of image in a former one of adjacent two image groups and of the first frame of image in a latter one of the adjacent two image groups and using the same polarity inversion in the last and first frame of images be the same with each other.
    Type: Application
    Filed: October 15, 2013
    Publication date: February 27, 2014
    Applicant: AU OPTRONICS CORP.
    Inventors: Jen-Chieh CHEN, Chao-Ching HSU, Tzu-Hui HSU
  • Publication number: 20140048129
    Abstract: A solar cell includes a substrate. The substrate has a light-receiving surface and a back surface opposite to the light-receiving surface. The substrate includes plural trenches formed on the back surface. The solar cell includes plural n-type diffusion areas and plural p-type diffusion areas alternately disposed on the back surface and the surface of the trenches. The possibility of recombination of the electron-hole pair while moving can be reduced because of the trenches, which are formed in the substrate.
    Type: Application
    Filed: March 11, 2013
    Publication date: February 20, 2014
    Applicant: AU OPTRONICS CORPORATION
    Inventors: Tsung-Pao CHEN, Shih-Hsien YANG, Yu-Chun CHEN, Ming-Hui CHIU, Yi-Hsuan LIN, Yen-Cheng HU, Jen-Chieh CHEN, Zhen-Cheng WU
  • Patent number: 8605067
    Abstract: A source-driving circuit comprises a plurality of first and second data-outputting units, a first and a second charge-sharing units and a charge-sharing switch circuit. The first and second data-outputting units have corresponding first and second output terminals respectively for outputting data signals with a first polarity and a second polarity. The first and second charge-sharing units comprise a plurality of first and second switches respectively. Each first switch is electrically connected between each two first output terminals and each two second output terminals. Each second switch is electrically connected between one of the first outputting terminals and a corresponding one of the second outputting terminals. A charge-sharing switch circuit is electrically connected to the first and second charge-sharing units for outputting a switch signal to the first and second charge-sharing units according to a polarity signal, so as to determine the on/off statuses of the first and second switches.
    Type: Grant
    Filed: December 1, 2011
    Date of Patent: December 10, 2013
    Assignee: Au Optronics Corp.
    Inventors: Jen-Chieh Chen, Chao-Ching Hsu, Ching-Lin Li
  • Patent number: 8605022
    Abstract: An exemplary image displaying method for a display device includes steps of: providing display data to pixels of the display device for displaying images; taking a special amount of frame of images as an image group, making polarities of a same pixel being of adjacent two frame of images in the image group and using a same polarity inversion in the adjacent two frame of images be different from each other, and making polarities of a same pixel being of the last frame of image in a former one of adjacent two image groups and of the first frame of image in a latter one of the adjacent two image groups and using the same polarity inversion in the last and first frame of images be the same with each other.
    Type: Grant
    Filed: October 18, 2011
    Date of Patent: December 10, 2013
    Assignee: Au Optronics Corp.
    Inventors: Jen-Chieh Chen, Chao-Ching Hsu, Tzu-Hui Hsu
  • Publication number: 20130312820
    Abstract: A solar cell includes a semiconductor substrate and a first antireflective layer. The semiconductor substrate has a first-type semiconductor surface and a second-type semiconductor surface opposite to each other. The first antireflective layer includes a plurality of refraction convexes and a coverage layer. The refraction convexes are formed on the second-type semiconductor surface. Each refraction convex includes a first refraction part and a second refraction part. The first refraction parts are conformally coated with the respective second refraction parts, and the first refraction part is configured to have a refractive index greater than the refractive index of the second refraction part. The coverage layer is formed to cover the second-type semiconductor surface and the refraction convexes, and the coverage layer is configured to have a refractive index smaller than the refractive index of the second refraction part. A solar cell manufacturing method is also provided.
    Type: Application
    Filed: September 4, 2012
    Publication date: November 28, 2013
    Applicant: AU OPTRONICS CORP.
    Inventors: Yen-Cheng HU, Wei-Shuo Ho, Jen-Chieh Chen, Zhen-Cheng Wu
  • Patent number: 8587620
    Abstract: The present invention provides a method for driving a liquid crystal display panel. The liquid crystal display panel has a plurality of pixels arranged in a matrix form and a plurality of data lines. The method includes generating gray level signals corresponding to the plurality of pixels according to input image data; determining whether the gray level values of the pixels in a same row corresponding to the plurality of data lines of a first color are all outside a first range; and when the gray level values of the pixels in the same row corresponding to the plurality of data lines of the first color are all outside the first range, controlling polarity of the gray level signals of the pixels in the same row corresponding to the plurality of data lines of the first color in a column inversion mode.
    Type: Grant
    Filed: December 19, 2011
    Date of Patent: November 19, 2013
    Assignee: AU Optronics Corp.
    Inventors: Hsiao-Chung Cheng, Jen-Chieh Chen, Chao-Ching Hsu
  • Patent number: 8582039
    Abstract: A naked-eye type stereoscopic display including a display panel, a polarization switching panel, and a lens array is provided. The display panel provides an image having a first polarization state. The polarization switching panel and the lens array are disposed on a propagation path of the image, and the polarization switching panel is located between the lens array and the display panel. In addition, the polarization switching panel has at least one rescue line so as to lower the scrap rate of the polarization switching panel.
    Type: Grant
    Filed: February 20, 2012
    Date of Patent: November 12, 2013
    Assignee: Au Optronics Corporation
    Inventors: Hsiao-Chung Cheng, Chun-Hsien Yeh, Jen-Chieh Chen, Chen-Lun Chiu, Chung-Ming Shen, Chien-Feng Chiu