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).
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Patent number: 9697793Abstract: 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: GrantFiled: January 6, 2015Date of Patent: July 4, 2017Assignee: 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
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Publication number: 20170116934Abstract: 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: ApplicationFiled: September 6, 2016Publication date: April 27, 2017Inventors: Kun-Cheng TIEN, Chien-Huang LIAO, Jia-Long WU, Wen-Hao HSU, Yung-Jen CHEN
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Publication number: 20170082901Abstract: A pixel array substrate with new pixel design and a liquid crystal display panel with the pixel array substrate are provided. The pixel array substrate includes a plurality of data lines, a plurality of scan lines and a plurality of pixels. Each of the pixels comprises a first electrode, a first connecting line, a second electrode and a second connecting line. The first electrode is electrically connected with corresponding data line and scan line through the first connecting line, and having a slit. The second pixel is electrically connected with corresponding data line and scan line through the second connecting line. At least a part of the second connecting line is exposed by the slit of the first electrode.Type: ApplicationFiled: December 1, 2016Publication date: March 23, 2017Inventors: Ming-Huei WU, Kun-Cheng TIEN, Shin-Mei GONG, Jen-Yang CHUNG, Wei-Chun WEI, Chien-Huang LIAO
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Patent number: 9568773Abstract: A pixel structure is provided. The pixel structure includes a control device, a main pixel electrode, and a sub pixel electrode. The main pixel electrode is electrically connected to the control device, and the main pixel electrode has a plurality of main pixel slits where the width thereof is S. The sub pixel electrode is electrically connected to the control device, and the sub pixel electrode has a first electrode pattern and a second electrode pattern. The first electrode pattern has a plurality of first slits where the width S1 thereof is equal to or greater than the width S of the main pixel slits. The second electrode pattern has no slits or has a plurality of second slits where the width S2 thereof is less than the width S of the main pixel slits. A pixel array including the pixel structure is also provided.Type: GrantFiled: September 30, 2015Date of Patent: February 14, 2017Assignee: Au Optronics CorporationInventors: Chih-Chang Shih, Shin-mei Gong, Shu-En Li, Kun-Cheng Tien, Chien-Huang Liao
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Patent number: 9541796Abstract: A pixel array substrate with new pixel design and a liquid crystal display panel with the pixel array substrate are provided. The pixel array substrate includes a plurality of data lines, a plurality of scan lines and a plurality of pixels. Each of the pixels comprises a first electrode, a first connecting line, a second electrode and a second connecting line. The first electrode is electrically connected with corresponding data line and scan line through the first connecting line, and having a slit. The second pixel is electrically connected with corresponding data line and scan line through the second connecting line. At least a part of the second connecting line is exposed by the slit of the first electrode.Type: GrantFiled: September 30, 2013Date of Patent: January 10, 2017Assignee: AU OPTRONICS CORPORATIONInventors: Ming-Huei Wu, Kun-Cheng Tien, Shin-Mei Gong, Jen-Yang Chung, Wei-Chun Wei, Chien-Huang Liao
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Patent number: 9535274Abstract: A liquid crystal display panel divided into a first and a second regions respectively having a plurality of sub-pixels arranged in array is provided. Each sub-pixel has a first display area providing a first main alignment vector, a second display area providing a second main alignment vector, and a compensation display area. A direction of the first main alignment vector is opposite to that of the second main alignment vector. When the liquid crystal display panel states in the narrow viewing angle display mode, driving voltages of the first display areas in the first region are substantially greater than driving voltages of the second display areas in the first region, driving voltages of the first display areas in the second region are smaller than driving voltages of the second display areas in the second region, and all the compensation display areas in the first and the second regions are enabled.Type: GrantFiled: April 28, 2015Date of Patent: January 3, 2017Assignee: Au Optronics CorporationInventors: Chao-Wei Yeh, Chien-Huang Liao, Wen-Hao Hsu
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Patent number: 9530223Abstract: An image correction method and an image correction device are provided. The image correction method includes the following steps: obtaining a gray level value of a pixel in an image and a frequency domain value of the gray level value; determining whether the frequency domain value is smaller than a first threshold; performing an adaptive gamma correction procedure on the gray level value according to the frequency domain value and outputting the result if the frequency domain value is smaller than the first threshold; outputting the gray level value directly if the frequency domain value is not smaller than the first threshold.Type: GrantFiled: February 5, 2016Date of Patent: December 27, 2016Assignee: AU OPTRONICS CORP.Inventors: Ting-Wei Hsu, Chao-Wei Yeh, Chien-Wen Chen, Chien-Huang Liao
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Publication number: 20160342038Abstract: A pixel structure is provided. The pixel structure includes a control device, a main pixel electrode, and a sub pixel electrode. The main pixel electrode is electrically connected to the control device, and the main pixel electrode has a plurality of main pixel slits where the width thereof is S. The sub pixel electrode is electrically connected to the control device, and the sub pixel electrode has a first electrode pattern and a second electrode pattern. The first electrode pattern has a plurality of first slits where the width S1 thereof is equal to or greater than the width S of the main pixel slits. The second electrode pattern has no slits or has a plurality of second slits where the width S2 thereof is less than the width S of the main pixel slits. A pixel array including the pixel structure is also provided.Type: ApplicationFiled: September 30, 2015Publication date: November 24, 2016Inventors: Chih-Chang Shih, Shin-Mei Gong, Shu-En Li, Kun-Cheng Tien, Chien-Huang Liao
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Publication number: 20160329358Abstract: A pixel structure includes a first conductive layer, a stacked layer, and a third conductive layer. The first conductive layer includes a first gate, a first scan line connected to the first gate, and a capacitor electrode separated from the first scan line. The stacked layer includes a semiconductor layer and a second conductive layer. The second conductive layer includes a data line, a first source connected to the data line, a second source, a first drain, a second drain, a connecting electrode connected to the second source and electrically connected to the first drain, and a coupling electrode connected to the second drain. The third conductive layer includes a first pixel electrode connected to the first drain, a second pixel electrode electrically connected to the connecting electrode, a first extending portion, and a second extending portion.Type: ApplicationFiled: July 20, 2016Publication date: November 10, 2016Inventors: Ming-Huei Wu, Kun-Cheng Tien, Shin-Mei Gong, Jen-Yang Chung, Wei-Chun Wei, Cheng Wang, Chien-Huang Liao, Wen-Hao Hsu
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Publication number: 20160275697Abstract: An image correction method and an image correction device are provided. The image correction method includes the following steps: obtaining a gray level value of a pixel in an image and a frequency domain value of the gray level value; determining whether the frequency domain value is smaller than a first threshold; performing an adaptive gamma correction procedure on the gray level value according to the frequency domain value and outputting the result if the frequency domain value is smaller than the first threshold; outputting the gray level value directly if the frequency domain value is not smaller than the first threshold.Type: ApplicationFiled: February 5, 2016Publication date: September 22, 2016Inventors: Ting-Wei Hsu, Chao-Wei Yeh, Chien-Wen Chen, Chien-Huang Liao
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Publication number: 20160218115Abstract: 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: ApplicationFiled: August 10, 2015Publication date: July 28, 2016Inventors: Kun-Cheng Tien, Shu-En Li, Chien-Huang Liao
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Patent number: 9389470Abstract: A pixel structure includes a plurality of sub-pixels arranged in an array. Each of the sub-pixels includes an active device and a pixel electrode electrically connected to the active device. A disclination area and a plurality of domains separated by the disclination area are defined in each of the pixel electrodes, respectively. Here, only a portion of the sub-pixels further includes a light-shielding pattern arranged corresponding to the disclination area.Type: GrantFiled: September 16, 2015Date of Patent: July 12, 2016Assignee: Au Optronics CorporationInventors: Kun-Cheng Tien, Chien-Huang Liao, Shu-En Li
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Patent number: 9275592Abstract: A pixel array includes a first color pixel unit, a second color pixel unit and a third pixel unit, and the first, second and third pixel units respectively include a scan line, a data line, an active device electrically connected to the scan line and the data line and a first pixel electrode electrically connected to the active device. The first pixel electrode has at least one first slit, and a first acute angle is formed between an extending direction of the first slit and an extending direction of the scan line. Any two of the first acute angle of the first color pixel unit, the first acute angle of the second color pixel unit, and the first acute angle of the third color pixel unit are different.Type: GrantFiled: December 9, 2014Date of Patent: March 1, 2016Assignee: Au Optronics CorporationInventors: Kun-Cheng Tien, Yu-Ching Wu, Ming-Huei Wu, Tien-Lun Ting, Chien-Huang Liao, Wen-Hao Hsu
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Patent number: 9257076Abstract: A pixel driving method is adapted for a liquid crystal display. Each pixel includes a first sub-pixel and a second sub-pixel, in which the first sub-pixel and the second sub-pixel each includes a first display region and a second display region. The pixel driving method includes providing a first voltage to the first displaying region of the first sub-pixel and the second sub-pixel; providing a second voltage to the second displaying region of the first sub-pixel and a third voltage to the second displaying region of the second sub-pixel; and when the provided first voltage is larger than a predetermined voltage, providing the second voltage so that the provided second voltage is smaller than the provided third voltage.Type: GrantFiled: May 30, 2014Date of Patent: February 9, 2016Assignee: AU OPTRONICS CORPORATIONInventors: Shin-Mei Gong, Kun-Cheng Tien, Ming-Huei Wu, Jen-Yang Chung, Wei-Chun Wei, Chien-Huang Liao
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Patent number: 9250484Abstract: An active device array substrate includes a substrate, a first pixel electrode, and a first raised pattern. The first pixel electrode is disposed on or above the substrate, and the first pixel electrode includes a first truck electrode, a second truck electrode, and a plurality of first branch electrodes. The first truck electrode and the second truck electrode intersect to form a first node at the intersection of the first truck electrode and the second truck electrode. The first branch electrodes are connected to the first truck electrode and the second truck electrode to form a plurality of first domains, wherein the first branch electrodes are asymmetrical with respect to the second truck electrode. The first raised pattern is disposed at least between the first node and the substrate to form a first raised structure at least at the first node.Type: GrantFiled: June 24, 2014Date of Patent: February 2, 2016Assignee: AU OPTRONICS CORPORATIONInventors: Cheng Wang, Jen-Yang Chung, Kun-Cheng Tien, Wei-Chun Wei, Shin-Mei Gong, Ming-Huei Wu, Chien-Huang Liao
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Publication number: 20150332648Abstract: 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: ApplicationFiled: October 8, 2014Publication date: November 19, 2015Inventors: Kun-Cheng Tien, Shin-Mei Gong, Chih-Chang Shih, Chien-Huang Liao
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Patent number: 9146430Abstract: A pixel structure and a liquid crystal display (LCD) panel having the same are provided. The pixel structure includes a data line, a scan line, at least one active device, a pixel electrode, and a metal line. The active device is electrically connected to the data line and the scan line. The pixel electrode is electrically connected to the active device and has an opening at the edge of the pixel electrode adjacent to at least one of the data line and the scan line. The metal line is located below the pixel electrode. Besides, a portion of the metal line extending to the edge of the pixel electrode is exposed by the opening. The shortest distance between an edge of the opening of the pixel electrode and the metal line is greater than or substantially equal to 3 ?m.Type: GrantFiled: July 11, 2013Date of Patent: September 29, 2015Assignee: Au Optronics CorporationInventors: Jen-Yang Chung, Kun-Cheng Tien, Cheng Wang, Wei-Chun Wei, Ming-Huei Wu, Shin-Mei Gong, Chien-Huang Liao
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Patent number: 9146423Abstract: A pixel structure including a first active device, a second active device, a first pixel electrode, a second pixel electrode, a third pixel electrode, a coupling electrode, and a capacitance electrode is provided. The first pixel electrode connected to the first active device and defines a first to a fourth liquid crystal alignment domain having different alignment directions. The second pixel electrode is connected to the coupling electrode and defines a fifth to an eighth liquid crystal alignment domain having different alignment directions. The third pixel electrode is connected to the second active device and defines a ninth and a tenth liquid crystal alignment domain. The coupling electrode is connected between the first active device and the second active device and extended to pass through the first, the second, and the third pixel electrodes. The capacitance electrode respectively overlaps parts of the first, the second, and the third pixel electrodes.Type: GrantFiled: June 10, 2013Date of Patent: September 29, 2015Assignee: Au Optronics CorporationInventors: Wei-Chun Wei, Kun-Cheng Tien, Ming-Huei Wu, Jen-Yang Chung, Shin-Mei Gong, Cheng Wang, Chien-Huang Liao, Wen-Hao Hsu
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Publication number: 20150253636Abstract: 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: ApplicationFiled: May 20, 2015Publication date: September 10, 2015Inventors: Chao-Wei Yeh, Chien-Huang Liao, Wen-Hao Hsu, Tien-Lun Ting, Chao-Yuan Chen, Jenn-Jia Su
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Publication number: 20150241719Abstract: A liquid crystal display panel divided into a first and a second regions respectively having a plurality of sub-pixels arranged in array is provided. Each sub-pixel has a first display area providing a first main alignment vector, a second display area providing a second main alignment vector, and a compensation display area. A direction of the first main alignment vector is opposite to that of the second main alignment vector. When the liquid crystal display panel states in the narrow viewing angle display mode, driving voltages of the first display areas in the first region are substantially greater than driving voltages of the second display areas in the first region, driving voltages of the first display areas in the second region are smaller than driving voltages of the second display areas in the second region, and all the compensation display areas in the first and the second regions are enabled.Type: ApplicationFiled: April 28, 2015Publication date: August 27, 2015Inventors: Chao-Wei Yeh, Chien-Huang Liao, Wen-Hao Hsu