Patents by Inventor Yung-Hsun Wu
Yung-Hsun Wu 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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Publication number: 20200160793Abstract: A display panel includes a first shift register, a first demultiplexer, a plurality of first gate lines, and a plurality of rows of first sub-pixels. The first shift register outputs a first shift signal. The first demultiplexer is coupled to the first shift register and receives the first shift signal and outputs a plurality of first gate driving signals. The plurality of first gate lines receive the plurality of first gate driving signals. Each row of first sub-pixels is coupled to a corresponding first gate line of the plurality of first gate lines. The first sub-pixels of the same row emit light of a same color.Type: ApplicationFiled: October 28, 2019Publication date: May 21, 2020Inventors: Yi-Shiuan Cherng, Chia-Hao Tsai, Chang-Chiang Cheng, Yung-Hsun Wu
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Patent number: 9223144Abstract: A display including a display panel and a switchable retarder is provided. The switchable retarder disposed on a light path of a polarized image having a first polarization provided by the display panel and includes a first substrate, first electrode stripes, second electrode stripes, and a retardation medium. The first electrode stripes and the second electrode stripes are disposed between the display panel and the first substrate, and are electrically independent from each other. A retardation region is defined by each first electrode stripe and one second electrode stripe. The retardation medium is located at a side of the first electrode stripes and at a side of the second electrode stripes, and is controlled by an electric field in the corresponding retardation region such that each retardation region provides a retardation. Accordingly, the polarized image having the first polarization is transformed into the polarized image having a second polarization.Type: GrantFiled: July 31, 2014Date of Patent: December 29, 2015Assignee: INNOLUX CORPORATIONInventors: Jhen-Wei He, Ching-Hua Hung, Kuan-Hsiung Wang, Yung-Hsun Wu
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Publication number: 20140340747Abstract: A display including a display panel and a switchable retarder is provided. The switchable retarder disposed on a light path of a polarized image having a first polarization provided by the display panel and includes a first substrate, first electrode stripes, second electrode stripes, and a retardation medium. The first electrode stripes and the second electrode stripes are disposed between the display panel and the first substrate, and are electrically independent from each other. A retardation region is defined by each first electrode stripe and one second electrode stripe. The retardation medium is located at a side of the first electrode stripes and at a side of the second electrode stripes, and is controlled by an electric field in the corresponding retardation region such that each retardation region provides a retardation. Accordingly, the polarized image having the first polarization is transformed into the polarized image having a second polarization.Type: ApplicationFiled: July 31, 2014Publication date: November 20, 2014Inventors: JHEN-WEI HE, CHING-HUA HUNG, KUAN-HSIUNG WANG, YUNG-HSUN WU
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Patent number: 8848116Abstract: A display including a display panel and a switchable retarder is provided. The switchable retarder disposed on a light path of a polarized image having a first polarization provided by the display panel and includes a first substrate, first electrode stripes, second electrode stripes, and a retardation medium. The first electrode stripes and the second electrode stripes are disposed between the display panel and the first substrate, and are electrically independent from each other. A retardation region is defined by each first electrode stripe and one second electrode stripe. The retardation medium is located at a side of the first electrode stripes and at a side of the second electrode stripes, and is controlled by an electric field in the corresponding retardation region such that each retardation region provides a retardation. Accordingly, the polarized image having the first polarization is transformed into the polarized image having a second polarization.Type: GrantFiled: July 21, 2011Date of Patent: September 30, 2014Assignee: Innolux CorporationInventors: Jhen-Wei He, Ching-Hua Hung, Kuan-Hsiung Wang, Yung-Hsun Wu
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Patent number: 8174636Abstract: An exemplary thin film transistor (TFT) substrate assembly includes a substrate, a plurality of gate lines disposed on an inner surface of the substrate, a plurality of data lines disposed insulated with the gate lines. The plurality of gate lines and the plurality of data lines define a plurality of pixel regions. Each pixel region includes a first switch element, a second switch element, a first pixel electrode, and a second pixel electrode. The first switch element and the second switch element are connected with a same gate line from the plurality of gate lines. The first pixel electrode is applied with data signals from a data line from the plurality of data lines via the first switch element. The second pixel electrode is applied with data signals from the data line from the plurality of data lines via the second switch element and a voltage dividing element.Type: GrantFiled: August 11, 2008Date of Patent: May 8, 2012Assignee: Chimei Innolux CorporationInventors: Chien-Cheng Chen, Hung-Yu Chen, Yu-Cheng Lin, Wen-Ming Hung, Yung-Hsun Wu, Chueh-Ju Chen, Ying-Tsung Lin
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Publication number: 20120019752Abstract: A display including a display panel and a switchable retarder is provided. The switchable retarder disposed on a light path of a polarized image having a first polarization provided by the display panel and includes a first substrate, first electrode stripes, second electrode stripes, and a retardation medium. The first electrode stripes and the second electrode stripes are disposed between the display panel and the first substrate, and are electrically independent from each other. A retardation region is defined by each first electrode stripe and one second electrode stripe. The retardation medium is located at a side of the first electrode stripes and at a side of the second electrode stripes, and is controlled by an electric field in the corresponding retardation region such that each retardation region provides a retardation. Accordingly, the polarized image having the first polarization is transformed into the polarized image having a second polarization.Type: ApplicationFiled: July 21, 2011Publication date: January 26, 2012Applicant: CHIMEI INNOLUX CORPORATIONInventors: JHEN-WEI HE, CHING-HUA HUNG, KUAN-HSIUNG WANG, YUNG-HSUN WU
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Publication number: 20110128622Abstract: A three-dimensional display device includes a display panel and an optical film. The display panel includes a plurality of display units arranged in a matrix. Each display unit includes a plurality of pixels configured for displaying sub-images having stereoscopic parallax. The optical film includes a plurality of lenses, each corresponding to a respective display unit. The lens is disposed opposite to the corresponding display unit and configured to split light corresponding to two sub-images of the corresponding display unit to reach both left and right viewing sides, respectively.Type: ApplicationFiled: November 24, 2010Publication date: June 2, 2011Applicant: CHIMEI INNOLUX CORPORATIONInventors: SHENG-CHANG CHEN, YU-CHENG LIN, YUNG-HSUN WU
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Publication number: 20110069269Abstract: A continuous domain vertical alignment liquid crystal display panel includes a first substrate and a second substrate opposing to the first substrate. The first substrate includes a first electrode and a number of protrusions disposed on the first electrode. The second substrate includes a second electrode and a number of slits defined in the second electrode. Each protrusion is adjacent to at least one slit, and one of the adjacent protrusion and slit is extended along a straight line and the other is extended along a sine curve. A baseline is defined passing through 0 degrees and 180 degrees on the sine curve, and an angle between protrusions or slits extended along the sine curve and the baseline is smaller than 25 degrees.Type: ApplicationFiled: August 13, 2010Publication date: March 24, 2011Applicant: CHIMEI INNOLUX CORPORATIONInventors: SHENG-CHANG CHEN, WEN-MING HUNG, YU-CHENG LIN, YUNG-HSUN WU, CHUEH-JU CHEN, CHIU-LIEN YANG, JIA-PANG PANG
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Patent number: 7855768Abstract: A transflective liquid crystal display (TLCD) using separate transmissive (T) and reflective (R) cells in which two liquid crystal materials with different birefringence changes are used. The birefringence change of the R region is half of the birefringence change of the T region. In this case, a single cell gap is possible and identical transmittance and reflectance for R and T is obtained. It is applicable to various reflective LC modes, and the fabrication methods are simple.Type: GrantFiled: January 11, 2008Date of Patent: December 21, 2010Assignees: University of Central Florida Research Foundation, Inc., Toppoly Optoelectronics Corp.Inventors: Qiong-Hua Wang, Shin-Tson Wu, Qi Hong, Yung-Hsun Wu
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Publication number: 20100259519Abstract: A subpixel structure of a liquid crystal display is disclosed. The subpixel structure is disposed between a first substrate and a second substrate, in which the subpixel structure includes a first portion and a second portion. The subpixel structure further includes: a data line, a first scan line and a second scan line intersecting the data line; a first transistor disposed on the first scan line and connected to the first portion of the subpixel structure; a second transistor disposed on the first scan line and connected to the second portion of the subpixel structure; and a third transistor disposed on the second scan line and connected to the second portion of the subpixel structure.Type: ApplicationFiled: March 10, 2010Publication date: October 14, 2010Applicant: INNOLUX DISPLAY CORP.Inventors: CHIEN-CHENG CHEN, YU-CHENG LIN, WEN-MING HUNG, YUNG-HSUN WU, CHUEH-JU CHEN
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Publication number: 20090195489Abstract: An exemplary TFT substrate (200) includes a plurality of first gate lines (218), a plurality of second gate lines (259), a plurality of data lines (238), a plurality of first pixel electrodes (254) and second pixel electrodes (255), and a plurality of first TFTs (201) and second TFTs (203). Each first pixel electrode is connected to a first gate line and a data line via the first TFT. Each second pixel electrode is connected to a second gate line and a data line via the second TFT. The first gate lines are disposed on a layer different from that of the second gate lines, and overlaps with the second gate lines.Type: ApplicationFiled: February 2, 2009Publication date: August 6, 2009Inventors: Wen-Ming Hung, Yu-Cheng Lin, Chien-Cheng Chen, Chueh-Ju Chen, Yung-Hsun Wu
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Publication number: 20090040413Abstract: An exemplary thin film transistor (TFT) substrate assembly includes a substrate, a plurality of gate lines disposed on an inner surface of the substrate, a plurality of data lines disposed insulated with the gate lines. The plurality of gate lines and the plurality of data lines define a plurality of pixel regions. Each pixel region includes a first switch element, a second switch element, a first pixel electrode, and a second pixel electrode. The first switch element and the second switch element are connected with a same gate line from the plurality of gate lines. The first pixel electrode is applied with data signals from a data line from the plurality of data lines via the first switch element. The second pixel electrode is applied with data signals from the data line from the plurality of data lines via the second switch element and a voltage dividing element.Type: ApplicationFiled: August 11, 2008Publication date: February 12, 2009Inventors: Chien-Cheng Chen, Hung-Yu Chen, Yu-Cheng Lin, Wen-Ming Hung, Yung-Hsun Wu, Chueh-Ju Chen, Ying-Tsung Lin
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Publication number: 20080151160Abstract: A transflective liquid crystal display (TLCD) using separate transmissive (T) and reflective (R) cells in which two liquid crystal materials with different birefringence changes are used. The birefringence change of the R region is half of the birefringence change of the T region. In this case, a single cell gap is possible and identical transmittance and reflectance for R and T is obtained. It is applicable to various reflective LC modes, and the fabrication methods are simple.Type: ApplicationFiled: January 11, 2008Publication date: June 26, 2008Inventors: Qiong-Hua Wang, Shin-Tson Wu, Qi Hong, Yung-Hsun Wu
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Patent number: 7359015Abstract: A transflective liquid crystal display (TLCD) using separate transmissive (T) and reflective (R) cells in which two liquid crystal materials with different birefringence changes are used. The birefringence change of the R region is half of the birefringence change of the T region. In this case, a single cell gap is possible and identical transmittance and reflectance for R and T is obtained. It is applicable to various reflective LC modes, and the fabrication methods are simple.Type: GrantFiled: August 10, 2004Date of Patent: April 15, 2008Assignee: Research Foundation of the University of Central FloridaInventors: Qiong-Hua Wang, Shin-Tson Wu, Qi Hong, Yung-Hsun Wu
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Patent number: 7286198Abstract: A transflective liquid crystal display with a single LC cell gap. Each of a plurality of pixel regions comprises a reflective region and a transmissive region. A liquid crystal cell wall structure between the upper and lower substrates creates a first channel at reflective region and a second channel at transmissive region. A first liquid crystal layer is filled into the first channel of the reflective region. A second liquid crystal layer is filled into the second channel of the transmissive region.Type: GrantFiled: December 22, 2004Date of Patent: October 23, 2007Assignee: TPO Displays Corp.Inventors: Qiong-Hua Wang, Shin-Tson Wu, Qi Hong, Yung-Hsun Wu
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Patent number: 7142271Abstract: A method of forming a transflective liquid crystal display device with a wide-viewing angle. An insulating layer having an uneven surface is formed on a first substrate. An opening is formed in the insulating layer. A conformal reflective electrode is formed on a sidewall and a bottom of the opening and partial insulating layer. The reflective electrode has an opaque portion and a transparent portion, and the transparent portion is located in the opening. At least one symmetric protruding element is formed on the insulating layer around the reflective electrode. A first alignment film is formed on the reflective electrode and the symmetric protruding element. A common electrode and a second alignment film are sequentially formed on an inner surface of a second substrate. Negative type liquid crystal molecules added with chiral agent fill in a space between the first and second substrates to form a liquid crystal layer.Type: GrantFiled: September 11, 2003Date of Patent: November 28, 2006Assignee: AU Optronics Corp.Inventors: Fu-Jen Ko, Yung-Hsun Wu
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Publication number: 20050151902Abstract: A transflective liquid crystal display with a single LC cell gap. Each of a plurality of pixel regions comprises a reflective region and a transmissive region. A liquid crystal cell wall structure between the upper and lower substrates creates a first channel at reflective region and a second channel at transmissive region. A first liquid crystal layer is filled into the first channel of the reflective region. A second liquid crystal layer is filled into the second channel of the transmissive region.Type: ApplicationFiled: December 22, 2004Publication date: July 14, 2005Inventors: Qiong-Hua Wang, Shin-Tson Wu, Qi Hong, Yung-Hsun Wu
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Publication number: 20040095534Abstract: A structure of a liquid crystal display, having a first polarizer with a polarization direction along a first angle, a first phase retardation plate disposed in front of the first polarizer to produce phase retardation effect along the first angle, a first wide view film disposed in front of the first phase retardation plate along a second angle perpendicular to the first angle. A liquid crystal display is disposed in front of the first viewing angle with the liquid crystal molecules thereof arranged along the second angle. The structure further has a second wide view film in front of the liquid crystal display along the first angle, and a second phase retardation plate in front of the second wide viewing angle along the second angle. A second polarizer is further disposed in front of the second phase retardation with a polarization direction along the second angle.Type: ApplicationFiled: November 14, 2003Publication date: May 20, 2004Inventor: Yung-Hsun Wu
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Publication number: 20040080690Abstract: A method of forming a transflective liquid crystal display device with a wide-viewing angle. An insulating layer having an uneven surface is formed on a first substrate. An opening is formed in the insulating layer. A conformal reflective electrode is formed on a sidewall and a bottom of the opening and partial insulating layer. The reflective electrode has an opaque portion and a transparent portion, and the transparent portion is located in the opening. At least one symmetric protruding element is formed on the insulating layer around the reflective electrode. A first alignment film is formed on the reflective electrode and the symmetric protruding element. A common electrode and a second alignment film are sequentially formed on an inner surface of a second substrate. Negative type liquid crystal molecules added with chiral agent fill in a space between the first and second substrates to form a liquid crystal layer.Type: ApplicationFiled: September 11, 2003Publication date: April 29, 2004Inventors: Fu-Jen Ko, Yung-Hsun Wu
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Patent number: 6542210Abstract: The invention is directed to a structure of LCD, having a first polarizer with a first polarization direction along a first angle. A first retardation phase plate is located behind the first polarizer. The first retardation phase plate is used to produce a retardation effect. The retardation direction is the same as the first angle. A first WV film is behind the first retardation phase plate. The WV film is operated along a second angle vertical to the first angle. A liquid crystal layer is located behind the WV film 110. The crystal rubbing direction of the liquid crystal layer is along the second direction. A second WV film is behind the liquid crystal layer. The second WV film is operated along the first angle. A second retardation phase plate is located behind the second WV film. The retardation direction of the second retardation phase plate is along the second angle. A second polarizer is located behind the second retardation phase plate.Type: GrantFiled: October 10, 2000Date of Patent: April 1, 2003Assignee: Au Optronics Corp.Inventor: Yung-Hsun Wu