Patents by Inventor Yu-Wen Chiu
Yu-Wen Chiu 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: 9063383Abstract: A liquid crystal display device includes a first substrate, a second substrate opposite to the first substrate, and a liquid crystal (LC) layer sandwiched between the two substrates. The first substrate includes gate lines and data lines, and the gate lines and the data lines data lines are intersected with each other to define pixel areas. Each of the pixel areas includes a pixel electrode and first common electrodes arranged at different layers, and the first common electrodes are electrically coupled to each other. The second substrate includes a second common electrode, and the LC layer comprises negative LC molecules.Type: GrantFiled: December 4, 2012Date of Patent: June 23, 2015Assignee: INFOVISION OPTOELECTRONICS (KUNSHAN) CO., LTD.Inventors: Te-Chen Chung, Yong-qian Li, Chia-Te Liao, Yu-Wen Chiu
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Patent number: 8837123Abstract: A metallic housing for an electronic device, the metallic housing includes a main body defining a receiving chamber for receiving electronic components and an opening communicating with the receiving chamber, and a covering plate positioned on the main body adjacent to a side of the main body. The covering plate is welded to the main body by friction stir welding and a welded region is formed on a side surface of the metallic housing such that the welded region is smooth with the main body and the covering plate. A method for making the metallic housing and an electronic device using the metallic housing is also disclosed.Type: GrantFiled: June 13, 2011Date of Patent: September 16, 2014Assignee: Hon Hai Precision Industry Co., Ltd.Inventors: Wei-Ting Wang, Yu-Wen Chiu, Chun-Lang Lee
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Publication number: 20130329168Abstract: A liquid crystal display device includes a first substrate, a second substrate opposite to the first substrate, and a liquid crystal (LC) layer sandwiched between the two substrates. The first substrate includes gate lines and data lines, and the gate lines and the data lines data lines are intersected with each other to define pixel areas. Each of the pixel areas includes a pixel electrode and first common electrodes arranged at different layers, and the first common electrodes are electrically coupled to each other. The second substrate includes a second common electrode, and the LC layer comprises negative LC molecules.Type: ApplicationFiled: December 4, 2012Publication date: December 12, 2013Applicant: INFOVISION OPTOELECTRONICS (KUNSHAN) CO.,LTD.Inventors: Te-Chen Chung, Yong-qian Li, Chia-Te Liao, Yu-Wen Chiu
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Patent number: 8537084Abstract: A liquid crystal panel includes a plurality of pixel units, each of which include gating lines, data lines, a pixel electrode and a thin film transistor (TFT). Common electrodes of first pixel units in a same row are electrically connected via a first common line, and common electrodes of second pixel units in the same row are electrically connected via a second common line. The first common line is connected with a first common voltage and the second common voltage is connected with a second common voltage. The first common voltage and the second common voltage are alternating current voltages and have opposite polarities in the same frame. The liquid crystal panel can decrease power consumption of a source driver and lower cost of the liquid crystal panel.Type: GrantFiled: April 20, 2009Date of Patent: September 17, 2013Assignee: Infovision Optoelectronics (Kunshan) Co., Ltd.Inventors: Te-Chen Chung, Tean-Sen Jen, Yu-Wen Chiu, Chia-Ta Liao
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Publication number: 20130037602Abstract: A friction stir welding method of manufacturing a metallic housing including electronic device housing is described as follow. A first workpiece and a second workpiece made of metal are provided. The first workpiece is attached to the second workpiece. A joining tool is provided, which includes a shaft shoulder and a stir pin extending from a friction surface of the shaft shoulder. A diameter of the shaft shoulder is in a range from about 8 mm to about 15 mm. The first workpiece and the second workpiece are stirred and rubbed by rotating the joining tool, thereby forming the electronic device housing. The electronic device housing is anodized.Type: ApplicationFiled: December 7, 2011Publication date: February 14, 2013Applicant: HON HAI PRECISION INDUSTRY CO., LTD.Inventors: WEI-TING WANG, CHUN-LANG LEE, YU-WEN CHIU
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Publication number: 20130032630Abstract: A friction stir welding repairing method for repairing a defective welding area, in which the defective welding area is defined in a predetermined welding area of a metallic housing, is described as follows. A repairing welding tool has a main portion and a stir end extending from an end of the main portion, and a diameter of the stir end is larger than a diameter of the defective welding area. The repairing welding tool is rotated and inserted to a region of the predetermined welding area adjacent to the defective welding area. The repairing welding tool is rotated and moved across the defective welding area. The repairing welding tool is pulled out of the predetermined welding area, and then the defective welding area is cooled.Type: ApplicationFiled: December 12, 2011Publication date: February 7, 2013Applicant: HON HAI PRECISION INDUSTRY CO., LTD.Inventors: WEI-TING WANG, CHUN-LANG LEE, YU-WEN CHIU
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Publication number: 20120275090Abstract: A metallic housing for an electronic device, the metallic housing includes a main body defining a receiving chamber for receiving electronic components and an opening communicating with the receiving chamber, and a covering plate positioned on the main body adjacent to a side of the main body. The covering plate is welded to the main body by friction stir welding and a welded region is formed on a side surface of the metallic housing such that the welded region is smooth with the main body and the covering plate. A method for making the metallic housing and an electronic device using the metallic housing is also disclosed.Type: ApplicationFiled: June 13, 2011Publication date: November 1, 2012Applicant: HON HAI PRECISION INDUSTRY CO., LTD.Inventors: WEI-TING WANG, YU-WEN CHIU, CHUN-LANG LEE
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Patent number: 8228274Abstract: A liquid crystal panel, a liquid crystal display, and a driving method thereof are disclosed. The liquid crystal panel comprises scanning lines, data lines, and a plurality of pixels, each of the plurality of pixels including a TFT, a pixel electrode, a first common electrode, and a second common electrode. The first common electrodes of first pixels of the plurality of pixels are electrically connected via a first common line, the first common electrodes of second pixels of the plurality of pixels are electrically connected via a second common line, and the second common electrodes of the plurality of pixels are electrically connected.Type: GrantFiled: December 16, 2008Date of Patent: July 24, 2012Assignee: Infovision Optoelectronics (Kunshan) Co., Ltd.Inventors: Te-Chen Chung, Chia-Te Liao, Yu-wen Chiu
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Patent number: 8115878Abstract: A TFT array substrate includes a plurality of scanning lines, a plurality of data lines and a plurality of pixel regions. Each pixel region includes a pixel electrode, a first TFT, a pull alignment electrode, a second TFT, a first and second push alignment electrodes, so that when a voltage is applied to the TFT array substrate, a transverse pull electric field is formed between the pixel electrode and the pull alignment electrode, and transverse push electric fields are formed respectively between the first push alignment electrode and the pixel electrode and between the second push alignment electrode and the pixel electrode. Accordingly, liquid crystal molecules of the TFT array substrate can respond quickly and it is not necessary to configure bumps on a color filter substrate, thereby improving contrast ratio, simplifying manufacture process and reducing costs.Type: GrantFiled: April 28, 2010Date of Patent: February 14, 2012Assignee: Infovision Optoelectronics (Kunshan) Co., Ltd.Inventors: Te-Chen Chung, Xia Huang, Yanbing Qiao, Liufei Zhou, Yu-Wen Chiu
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Patent number: 8102481Abstract: An array substrate of a liquid crystal display, comprising a first scan line and a second scan line, a first data line and a second data line arranged crossing with the first scan line and the second scan line to define a pixel region, and a pixel electrode in the pixel region, wherein the second data line comprises at least a first branch and a second branch that are electrically connected to each other. According to the invention, it is not necessary to provide the array substrate with additional space for disposing repair lines, and the non-display region is therefore not increased, resulting in an increased yield. Only a short length of repair lines is used in repair, and thus both electrical resistance of repair line and distortion of data signals can be reduced.Type: GrantFiled: January 8, 2009Date of Patent: January 24, 2012Assignee: Infovision Optoelectronics (Kunshan) Co., Ltd.Inventors: Te-Chen Chung, Tean-Sen Jen, Yu-Wen Chiu, Chia-Te Liao
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Patent number: 8098341Abstract: The invention provides a thin film transistor (TFT) substrate comprises a plurality of gate lines, a plurality of data lines, gate terminals, data terminals and thin film transistors as well as a liquid crystal display (LCD) device having the TFT substrate. The gate terminal and/or data terminal contain a first portion and a second portion, and the first potion and the second portion are connected electrically with an end electrode made of a material which is anticorrosive in the air. The thin film transistor substrate of the invention prevents the spreading of the metal corrosion occurred at the gate leads to the display region of the LCD, and therefore the quality of the LCD device can be ensured.Type: GrantFiled: March 26, 2009Date of Patent: January 17, 2012Assignee: Infovision Optoelectronics (Kunshan) Co. Ltd.Inventors: Te-Chen Chung, Tean-Sen Jen, Yu-Wen Chiu, Chia-Te Liao
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Patent number: 8094111Abstract: The present invention provides a liquid crystal display and an array substrate thereof. The array substrate comprises scan lines, data lines and a plurality of pixel defined by a crosswise arrangement of the scan lines and the data lines. The pixel comprises a first sub-pixel electrode; a second sub-pixel electrode electrically isolated from the first sub-pixel electrode; a first switching element for controlling the first sub-pixel electrode; and a second switching element for controlling the second sub-pixel electrode. When the control of the first sub-pixel electrode by the first switching element cannot be carried out normally, the second switching element can control at least a part of the first sub-pixel electrode in place of the first switching element.Type: GrantFiled: April 14, 2009Date of Patent: January 10, 2012Assignee: Infovision Optoelectronics (Kunshan) Co., Ltd.Inventors: Te-Chen Chung, Yu-wen Chiu, Chia-Te Liao, Yanbing Qiao
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Publication number: 20110157503Abstract: A TFT array substrate includes a plurality of scanning lines, a plurality of data lines and a plurality of pixel regions. Each pixel region includes a pixel electrode, a first TFT, a pull alignment electrode, a second TFT, a first and second push alignment electrodes, so that when a voltage is applied to the TFT array substrate, a transverse pull electric field is formed between the pixel electrode and the pull alignment electrode, and transverse push electric fields are formed respectively between the first push alignment electrode and the pixel electrode and between the second push alignment electrode and the pixel electrode. Accordingly, liquid crystal molecules of the TFT array substrate can respond quickly and it is not necessary to configure bumps on a color filter substrate, thereby improving contrast ratio, simplifying manufacture process and reducing costs.Type: ApplicationFiled: April 28, 2010Publication date: June 30, 2011Inventors: Te-Chen Chung, Xia Huang, Yanbing Qiao, Liufei Zhou, Yu-Wen Chiu
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Publication number: 20100066383Abstract: The present invention discloses an array substrate and a defect detecting method thereof. The array substrate comprises one or more shorting bars for applying signals to a plurality of data lines or a plurality of gate lines of the array substrate while testing. The array substrate further comprises a line detecting circuit for receiving signals on the plurality of data lines or the plurality of gate lines, and detecting and locating the line defects of the plurality of data lines or the plurality of gate lines. The array substrate and the defect detecting method thereof provided by the invention can locate the line defects of the array substrate accurately and quickly.Type: ApplicationFiled: December 22, 2008Publication date: March 18, 2010Inventors: Te-Chen Chung, Tean-Sen Jen, Yu-Wen Chiu, Chia-Te Liao
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Publication number: 20100013789Abstract: A touch control liquid crystal display includes an array substrate which comprises scan lines, data lines perpendicular to the scan lines and further defining a pixel area, a pixel electrode formed in the pixel area, a storage capacitor electrode forming a first storage capacitor with the pixel electrode, a first switching element through which the data line inputs data signals to the pixel electrode, a signal detecting line, a touch control electrode forming a second storage capacitor with the storage capacitor line, a second switching element through which the signal detecting line inputs or outputs a voltage signal to the touch control electrode, a converter for controlling the output or input of the voltage signal on the signal detecting line.Type: ApplicationFiled: June 3, 2009Publication date: January 21, 2010Applicant: InfoVision Optoelectronics (Kunshan) Co. Ltd.Inventors: Te-Chen Chung, Yu-Wen Chiu, Chia-Te Liao
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Publication number: 20090322660Abstract: A liquid crystal panel, a liquid crystal display, and a driving method thereof are disclosed. The liquid crystal panel comprises scanning lines, data lines, and a plurality of pixels, each of the plurality of pixels including a TFT, a pixel electrode, a first common electrode, and a second common electrode. The first common electrodes of first pixels of the plurality of pixels are electrically connected via a first common line, the first common electrodes of second pixels of the plurality of pixels are electrically connected via a second common line, and the second common electrodes of the plurality of pixels are electrically connected.Type: ApplicationFiled: December 16, 2008Publication date: December 31, 2009Inventors: Te-Chen Chung, Chia-Te Liao, Yu-wen Chiu
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Publication number: 20090322977Abstract: An array substrate of a liquid crystal display, comprising a first scan line and a second scan line, a first data line and a second data line arranged crossing with the first scan line and the second scan line to define a pixel region, and a pixel electrode in the pixel region, wherein the second data line comprises at least a first branch and a second branch that are electrically connected to each other. According to the invention, it is not necessary to provide the array substrate with additional space for disposing repair lines, and the non-display region is therefore not increased, resulting in an increased yield. Only a short length of repair lines is used in repair, and thus both electrical resistance of repair line and distortion of data signals can be reduced.Type: ApplicationFiled: January 8, 2009Publication date: December 31, 2009Inventors: Te-Chen Chung, Tean-Sen Jen, Yu-Wen Chiu, Chia-Te Liao
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Publication number: 20090295694Abstract: The present invention provides a liquid crystal display and an array substrate thereof The array substrate comprises scan lines, data lines and a plurality of pixel defined by a crosswise arrangement of the scan lines and the data lines. The pixel comprises a first sub-pixel electrode; a second sub-pixel electrode electrically isolated from the first sub-pixel electrode; a first switching element for controlling the first sub-pixel electrode; and a second switching element for controlling the second sub-pixel electrode. When the control of the first sub-pixel electrode by the first switching element cannot be carried out normally, the second switching element can control at least a part of the first sub-pixel electrode in place of the first switching element.Type: ApplicationFiled: April 14, 2009Publication date: December 3, 2009Inventors: Te-Chen Chung, Yu-wen Chiu, Chia-Te Liao, Yanbing Qiao
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Publication number: 20090262061Abstract: A liquid crystal panel includes a plurality of pixel units, each of which include gating lines, data lines, a pixel electrode and a thin film transistor (TFT). Common electrodes of first pixel units in a same row are electrically connected via a first common line, and common electrodes of second pixel units in the same row are electrically connected via a second common line. The first common line is connected with a first common voltage and the second common voltage is connected with a second common voltage. The first common voltage and the second common voltage are alternating current voltages and have opposite polarities in the same frame. The liquid crystal panel can decrease power consumption of a source driver and lower cost of the liquid crystal panel.Type: ApplicationFiled: April 20, 2009Publication date: October 22, 2009Applicant: INFOVISION OPTOELECTRONICS (KUNSHAN) CO., LTD.Inventors: Te-Chen Chung, Tean-Sen Jen, Yu-Wen Chiu, Chia-Te Liao
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Publication number: 20090244429Abstract: The invention provides a thin film transistor (TFT) substrate comprises a plurality of gate lines, a plurality of data lines, gate terminals, data terminals and thin film transistors as well as a liquid crystal display (LCD) device having the TFT substrate. The gate terminal and/or data terminal contain a first portion and a second portion, and the first potion and the second portion are connected electrically with an end electrode made of a material which is anticorrosive in the air. The thin film transistor substrate of the invention prevents the spreading of the metal corrosion occurred at the gate leads to the display region of the LCD, and therefore the quality of the LCD device can be ensured.Type: ApplicationFiled: March 26, 2009Publication date: October 1, 2009Inventors: Te-Chen Chung, Tean-Sen Jen, Yu-Wen Chiu, Chia-Te Liao