Patents by Inventor Wen-Hao Hsu
Wen-Hao Hsu 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: 8792064Abstract: A pixel array including first scan lines, second scan lines, data lines, and sub-pixels is provided. Each sub-pixel includes a first switch, a second switch, a first pixel electrode electrically connected to the first switch, a second pixel electrode electrically connected to the second switch, a third switch, and common lines connected with each other and disposed under the first and the second pixel electrode. The first and the second switch are electrically connected to the same first scan line and data line. The first scan line is located between the first and second pixel electrode. The third switch is electrically connected to the second scan line and the first pixel electrode and has a floating terminal. The floating terminal is capacitively coupled to the common line under the second pixel electrode to form a capacitor.Type: GrantFiled: July 12, 2011Date of Patent: July 29, 2014Assignee: Au Optronics CorporationInventors: Tien-Lun Ting, Chieh-Wei Chen, Chih-Haw Wang, Chung-Yi Chiu, Wen-Hao Hsu, Jenn-Jia Su
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Publication number: 20140203302Abstract: A pixel structure of a display panel includes a gate line, a first data line, a second data line, a first active switching device, a second active switching device, a first pixel electrode and a second pixel electrode. The first pixel electrode is electrically connected to the first active switching device. The first pixel electrode includes a first main electrode disposed adjacent to one side of the first data line, and a second main electrode disposed adjacent to one side of the second data line. The second pixel electrode is electrically connected to the second active switching device. The second pixel electrode is disposed between the first main electrode and the second main electrode of the first pixel electrode.Type: ApplicationFiled: August 25, 2013Publication date: July 24, 2014Applicant: AU Optronics Corp.Inventors: Wei-Cheng Cheng, Kuan-Yu Chen, Tien-Lun Ting, Wen-Hao Hsu
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Publication number: 20140191933Abstract: Disclosed herein is an adjustable viewing angle display device. The display device includes a display panel composed of a first substrate, a second substrate, a display medium layer interposed therebetween, a first electrode, a second electrode and a third electrode. Pluralities of sub-pixels are defined in the display panel. The first and second electrodes are disposed on the first substrate in the sub-pixels. The first electrode is spaced apart from the second electrode. The third electrode is disposed on the second substrate. When the display device is operated in a narrow viewing angle mode, there exists a non-zero potential difference between the second electrode and the third electrode, and when the sub-pixel is at gray level of zero, the potential difference between the first electrode and the second electrode is not zero. A driving method for driving the display device is disclosed as well.Type: ApplicationFiled: July 18, 2013Publication date: July 10, 2014Inventors: Chen-Feng FAN, Chao-Wei YEH, Chih-Hsiang YANG, Chien-Huang LIAO, Wen-Hao HSU
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Publication number: 20140192091Abstract: Disclosed herein is a display device with an adjustable viewing angle. The display device at least includes a first sub-pixel and a second sub-pixel adjacent to the first sub-pixel. When the display device is operated in a wide viewing angle mode, the first and second sub-pixels each have an on-axis brightness at a predetermined gray level. When the display device is operated in a narrow viewing angle mode, the first and second sub-pixels respectively have a first on-axis brightness at a first gray level and a second on-axis brightness at a second gray level. The first on-axis brightness at the first gray level is substantially less than the on-axis brightness at the predetermined gray level of the first sub-pixel.Type: ApplicationFiled: June 17, 2013Publication date: July 10, 2014Inventors: Chen-Feng FAN, Chao-Wei YEH, Chih-Hsiang YANG, Chien-Huang LIAO, Wen-Hao HSU
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Patent number: 8698989Abstract: A viewing angle switchable liquid crystal display panel includes a first substrate, a second substrate, a liquid crystal layer disposed between the first substrate and the second substrate, a plurality of color sub-pixels and a plurality of viewing angle control (VAC) pixels. The liquid crystal layer includes liquid crystal molecules sandwiched between the first substrate and the second substrate. The liquid crystal molecules of each color sub-pixel include twisted nematic liquid crystal molecules. Each of the color sub-pixels includes a first pixel electrode disposed on an inner surface of the first substrate, and a second pixel electrode disposed on an inner surface of the second substrate. Each of the viewing angle control pixels includes a first electrode and a second electrode disposed on the inner surface of the first substrate, and a third electrode disposed on the inner surface of the second substrate.Type: GrantFiled: January 18, 2011Date of Patent: April 15, 2014Assignee: AU Optronics Corp.Inventors: Norio Sugiura, Chao-Wei Yeh, Chia-Hsuan Tai, Chien-Huang Liao, Wen-Hao Hsu
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Patent number: 8692967Abstract: A pixel array including a plurality of scan lines, a plurality of data lines, and a plurality of sub-pixel is provided. Each of the sub-pixel arranged in the nth row includes a first switch, a second switch, a first pixel electrode, a second pixel electrode, and a third switch, wherein the first switch and the second switch are electrically connected to the nth scan line and the mth data line, the first pixel electrode is electrically connected to the first switch, the second pixel electrode is electrically connected to a signal output terminal of the second switch. The first pixel electrode has a first aperture above the signal output terminal. The third switch is electrically connected to the (n+1)th scan line and the second pixel electrode, and the second pixel electrode has a second aperture above a floating terminal of the third switch.Type: GrantFiled: July 28, 2010Date of Patent: April 8, 2014Assignee: Au Optronics CorporationInventors: Tien-Lun Ting, Yu-Ching Wu, Yi-Cheng Li, Wen-Hao Hsu, Jenn-Jia Su
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Publication number: 20140063386Abstract: A peep-proof display apparatus includes a plurality of sub-pixels disposed between a first substrate and a second substrate. Each sub-pixel includes a first conductive layer, a color filter layer, an isolation film, a light modulator layer, a second conductive layer, an insulation film and a third conductive layer. The color filter layer is disposed between the first conductive layer and the isolation film. The light modulator layer is disposed between the isolation film and the second conductive layer. The insulation film is disposed between the second and third conductive layers. In a first display mode, the light modulator layer is applied with an electric field parallel thereto. In a second display mode, the light modulator layer is applied with an electric field parallel thereto and an electric field perpendicular thereto.Type: ApplicationFiled: April 15, 2013Publication date: March 6, 2014Applicant: AU OPTRONICS CORP.Inventors: CHIH-HSIANG YANG, CHAO-WEI YEH, CHEN-FENG FAN, CHIEN-HUANG LIAO, WEN-HAO HSU
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Publication number: 20140043568Abstract: A display apparatus includes a display panel disposed between a first polarizer and a second polarizer and having at least one first area and at least one second area. A first light-transmission axis direction of the first polarizer is substantially perpendicular to a second light-transmission axis direction of the second polarizer. The first light-transmission axis direction intersects a horizontal axis direction by about 45 degrees. When the display panel is in a narrow viewing angle display mode, the first and second areas have different brightness in a side viewing angle direction but have the same brightness in and around a normal viewing angle direction. When the display panel is in a wide viewing angle display mode, the first and second areas have substantially the same brightness in various viewing angle directions.Type: ApplicationFiled: October 18, 2013Publication date: February 13, 2014Applicant: Au Optronics CorporationInventors: Chao-Wei Yeh, Chien-Huang Liao, Wen-Hao Hsu
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Patent number: 8643802Abstract: A pixel array including a plurality of scan lines, data lines, and sub-pixels is provided. Each of the sub-pixels arranged in the nth row includes a first switch, a first pixel electrode, a second switch, a third switch, and a second pixel electrode. The first switch and the second switch are electrically connected to the nth scan line and the mth data line. The first switch and the first pixel electrode are electrically connected. The second switch has a first signal output terminal. The third switch is electrically connected to the (n+i)th scan line. The third switch has a signal input terminal electrically connected to the first signal output terminal and a second signal output terminal. The first signal output terminal is electrically insulated from the first pixel electrode and the second pixel electrode. The first signal output terminal extends to the underneath of the second pixel electrode.Type: GrantFiled: November 26, 2010Date of Patent: February 4, 2014Assignee: Au Optronics CorporationInventors: Tien-Lun Ting, Yu-Ching Wu, Wen-Hao Hsu, Yi-Cheng Li
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Patent number: 8599344Abstract: A display apparatus includes a display panel disposed between a first polarizer and a second polarizer and having at least one first area and at least one second area. A first light-transmission axis direction of the first polarizer is substantially perpendicular to a second light-transmission axis direction of the second polarizer. The first light-transmission axis direction intersects a horizontal axis direction by about 45 degrees. When the display panel is in a narrow viewing angle display mode, the first and second areas have different brightness in a side viewing angle direction but have the same brightness in and around a normal viewing angle direction. When the display panel is in a wide viewing angle display mode, the first and second areas have substantially the same brightness in various viewing angle directions.Type: GrantFiled: August 28, 2011Date of Patent: December 3, 2013Assignee: Au Optronics CorporationInventors: Chao-Wei Yeh, Chien-Huang Liao, Wen-Hao Hsu
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Publication number: 20130293822Abstract: A display panel includes a pair of substrates, a pixel structure, and a display medium layer disposed between the pair of substrates. The pixel structure is disposed on one of the substrates, and includes first and second sub-pixels. The first sub-pixel includes a first pixel electrode, wherein the first pixel electrode has a first spacing in a first main region and has a second spacing in a first minor region, wherein the second spacing is smaller than the first spacing. The second sub-pixel includes a second pixel electrode, wherein the second pixel electrode has a third spacing in a second main region and has a fourth spacing in a second minor region, wherein the fourth spacing is larger than or equal to the third spacing, and wherein the first spacing is larger than the third spacing.Type: ApplicationFiled: October 18, 2012Publication date: November 7, 2013Applicant: AU OPTRONICS CORPORATIONInventors: Jen-Yang Chung, Kun-Cheng Tien, Ming-Huei Wu, Shin-Mei Gong, Chien-Huang Liao, Wen-Hao Hsu
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Publication number: 20130286304Abstract: A stereo display including a display panel and a light shieldable element is provided. The display panel has at least two sub-pixel regions. Each sub-pixel region is configured with at least a first pixel electrode to define a first sub-region. The light shieldable element is disposed in front of the sub-pixel regions. Each first pixel electrode has a first shieldable region shielded by the light shieldable element and a first non-shielding region exposed by the light shieldable element. The first shieldable region is closer to the scan line than the first non-shielding region. A horizontal direction is defined as a connection line of two eyes of a user watching the stereo display. A total length A of each sub-pixel region and a length B of the first shieldable region in a predetermined direction intersected to the horizontal direction comply with a relationship that (B/A)×100% is substantially from 1.61% to 47.9%.Type: ApplicationFiled: July 19, 2012Publication date: October 31, 2013Applicant: AU OPTRONICS CORPORATIONInventors: Kuan-Hung Lin, Wen-Hao Hsu, Lung-Ling Tang
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Patent number: 8456580Abstract: A three-dimensional display including a display panel and a phase retardation film is provided. The display panel has a plurality of first pixel regions and a plurality of second pixel regions arranged in arrays. The phase retardation film is configured on a surface of the display panel. Here, the phase retardation film has a plurality of first retardation regions and a plurality of second retardation regions that are arranged alternately. The first retardation regions have the same phase retardation, the second retardation regions have the same phase retardation, and the phase retardation of the first retardation regions is different from that of the second retardation regions. All the regions of the phase retardation film have the same optical transmittance. A displaying method adaptable to the three-dimensional display is also provided.Type: GrantFiled: May 16, 2011Date of Patent: June 4, 2013Assignee: Au Optronics CorporationInventors: Li Chen, Chia-Chih Kao, Chao-Yuan Chen, Ken-Yu Liu, Wen-Hao Hsu, Jenn-Jia Su
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Publication number: 20130120469Abstract: 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: ApplicationFiled: May 29, 2012Publication date: May 16, 2013Applicant: 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: 8441589Abstract: A pixel structure electrically connected to a data line and a scan line, and including a first and a second active device, a first and a second pixel electrode, and a first and a second capacitance electrode is provided. The first pixel electrode electrically connected to the first active device includes a first and a second electrode block electrically connected to each other. The second pixel electrode electrically connected to the second active device is electrically insulated from the first pixel electrode and separates the first and the second electrode block. The first pixel electrode respectively forms a first and a second capacitor with the first and the second capacitance electrode. The second pixel electrode respectively forms a third and a fourth capacitor with the first and the second capacitance electrode. The first and the second capacitor have different capacitances. The third and the fourth capacitor have different capacitances.Type: GrantFiled: May 8, 2012Date of Patent: May 14, 2013Assignee: Au Optronics CorporationInventors: Jenn-Jia Su, Ting-Wei Su, Wen-Hao Hsu
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Publication number: 20130100106Abstract: An LCD panel with color washout improvement. In one embodiment, the LCD panel includes a plurality of pixels spatially arranged in a matrix form, each pixel defined between a respective pair of scanning lines (Gn, Gn—CS) and two neighboring data lines Dm and Dm+1, comprising a pixel electrode, a first transistor electrically coupled to the scanning lines Gn, the date line Dm and the pixel electrode, and a second transistor electrically coupled to the scanning lines Gn—CS and the pixel electrode such that when N pairs of scanning signals to the N pairs of scanning lines {Gn, Gn—CS} and a plurality of data signals to the data lines, the pixel electrode of each pixel has a first voltage at the first duration of a frame period, and a second voltage at the second duration of the frame period, respectively. The first and second voltages are substantially different from each other.Type: ApplicationFiled: October 20, 2011Publication date: April 25, 2013Applicant: AU OPTRONICS CORPORATIONInventors: Yu-Ching Wu, Tien-Lun Ting, Kun-Cheng Tien, Chien-Huang Liao, Wen-Hao Hsu
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Publication number: 20130100112Abstract: An image privacy protecting method is provided. Positions of a privacy protecting region and a normal display region are acknowledged first. When a frame of image is processed, a first image data will be displayed in the privacy protecting region is processed in a narrow viewing mode to obtain a narrow viewing driving data, and a second image data will be displayed in the normal display region is processed in a wide viewing mode to obtain a wide viewing driving data. Finally, display operations are performed in the privacy protecting region and the normal display region respectively according to the narrow viewing driving data and the wide viewing driving data.Type: ApplicationFiled: May 14, 2012Publication date: April 25, 2013Applicant: AU OPTRONICS CORP.Inventors: Chao-Wei Yeh, Chih-Hsiang Yang, Chien-Huang Liao, Wen-Hao Hsu
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Publication number: 20130100182Abstract: A compensation method for privacy-image protection is provided. The compensation method operates a display device in a narrow visual-angle mode, then determines where is data to be displayed according to a relative position between the data to be displayed and a specific object, and finally determines to use which to adjust the data to be displayed according to the determined result, and displays the data.Type: ApplicationFiled: May 15, 2012Publication date: April 25, 2013Applicant: AU OPTRONICS CORP.Inventors: Chao-Wei YEH, Chih-Hsiang Yang, Chien-Huang Liao, Wen-Hao Hsu
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Publication number: 20130044090Abstract: A sub-pixel circuit, display panel and driving method of the display panel are provided. The display panel has a plurality of data lines, scan lines and sub-pixel circuits. At least one of the sub-pixel circuits is electrically coupled to one data line and three scan lines. The sub-pixel circuit determines whether to receive data from the coupled data line or not according to scan signals transmitted on the coupled three scan lines, and controls transmittance itself accordingly. Specifically, the scan signals transmitted on the coupled three scan lines are different from each other.Type: ApplicationFiled: June 21, 2012Publication date: February 21, 2013Applicant: AU OPTRONICS CORP.Inventors: Yu-Ching Wu, Tien-Lun Ting, Kun-Cheng Tien, Chien-Huang Liao, Wen-Hao Hsu
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Patent number: 8379158Abstract: A three-dimensional (3D) display including a display panel and a phase retardation film is provided. The display panel has a plurality of first pixel regions and a plurality of second pixel regions that are arranged as an array. The phase retardation film is disposed on the surface of the display panel. The phase retardation film has a plurality of first retardation regions and a plurality of second retardation regions that are alternately arranged. The first retardation regions have the same phase retardation, the second retardation regions have the same phase retardation, and the phase retardation of the first retardation regions is different from that of the second retardation regions. All the regions of the phase retardation film have the same transmittance. A display method adaptable to the 3D display is also provided.Type: GrantFiled: June 14, 2010Date of Patent: February 19, 2013Assignee: Au Optronics CorporationInventors: Li Chen, Chia-Chih Kao, Chao-Yuan Chen, Geng-Yu Liu, Wen-Hao Hsu, Jenn-Jia Su