Patents by Inventor Kun-Cheng TIEN
Kun-Cheng TIEN 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: 10235921Abstract: 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: GrantFiled: March 17, 2017Date of Patent: March 19, 2019Assignee: AU OPTRONICS CORPORATIONInventors: Kun-Cheng Tien, Chien-Huang Liao, Jia-Long Wu, Shu-En Li
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Patent number: 10176771Abstract: 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: GrantFiled: April 18, 2017Date of Patent: January 8, 2019Assignee: AU OPTRONICS CORPORATIONInventors: Kun-Cheng Tien, Shu-En Li, Chien-Huang Liao, Jia-Long Wu
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Patent number: 9995957Abstract: 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: GrantFiled: June 5, 2017Date of Patent: June 12, 2018Assignee: Au Optronics CorporationInventors: Kun-Cheng Tien, Shin-Mei Gong, Chih-Chang Shih, Chien-Huang Liao
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Publication number: 20180114478Abstract: 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: ApplicationFiled: October 12, 2017Publication date: April 26, 2018Inventors: Kun-Cheng TIEN, Chien-Huang LIAO, Jia-Long WU
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Publication number: 20180053461Abstract: 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: ApplicationFiled: July 26, 2017Publication date: February 22, 2018Inventors: Kun-Cheng TIEN, Chien-Huang Liao, Ti-Kuei Yu, Jia-Long Wu
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Patent number: 9864245Abstract: 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: GrantFiled: August 10, 2015Date of Patent: January 9, 2018Assignee: Au Optronics CorporationInventors: Kun-Cheng Tien, Shu-En Li, Chien-Huang Liao
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Publication number: 20170330520Abstract: 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: ApplicationFiled: April 18, 2017Publication date: November 16, 2017Inventors: Kun-Cheng TIEN, Shu-En LI, Chien-Huang LIAO, Jia-Long WU
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Publication number: 20170278444Abstract: 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: ApplicationFiled: March 17, 2017Publication date: September 28, 2017Inventors: Kun-Cheng TIEN, Chien-Huang LIAO, Jia-Long WU, Shu-En LI
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Publication number: 20170269408Abstract: 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: June 5, 2017Publication date: September 21, 2017Applicant: Au Optronics CorporationInventors: Kun-Cheng Tien, Shin-Mei Gong, Chih-Chang Shih, Chien-Huang Liao
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Patent number: 9740055Abstract: 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: GrantFiled: October 8, 2014Date of Patent: August 22, 2017Assignee: Au Optronics CorporationInventors: Kun-Cheng Tien, Shin-Mei Gong, Chih-Chang Shih, Chien-Huang Liao
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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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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: 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