Patents by Inventor Wei-Chou Chen
Wei-Chou Chen 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: 20140063211Abstract: A naked eye type and glasses type switchable stereoscopic display device includes a display panel and a switching module. The display panel provides first display image and second display image. The switching module includes a first transparent electrode, a second transparent electrode, a liquid crystal layer, and an electric field uniforming layer. The electric field uniforming layer is disposed between the liquid crystal layer and the second transparent electrode. The liquid crystal layer is driven by the second transparent electrode through the electric field uniforming layer to form liquid crystal lenses under a naked eye type stereoscopic display mode; the switching module provides a first phase retardation mode and a second phase retardation mode under a glasses type display mode. The first phase retardation mode provides a first polarization state to the first display image; the second phase retardation mode provides a second polarization state to the second display image.Type: ApplicationFiled: September 3, 2013Publication date: March 6, 2014Applicants: WINTEK CORPORATION, Dongguan Masstop Liquid Crystal Display Co., Ltd.Inventors: Chong-Yang Fang, Wen-Chun Wang, Chia-Hsiung Chang, Yan-Yu Su, Chia-Hung Yeh, Wei-Chou Chen
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Publication number: 20140055417Abstract: A display module includes a touch device, a cover lens, a decoration layer, at least one optical module, and a display panel. The touch device is arranged at a lower side of the cover lens for generating a touch signal. The decoration layer is arranged under the cover lens, and has a first hole and at least one second hole, wherein the touch device corresponds to the first hole, and the first hole is larger than the at least one second hole. The at least one optical module is arranged under the cover lens and corresponding to the at least one second hole, for generating an image signal. The display panel is arranged under the decoration layer and the touch device for executing a corresponding operation according to the touch signal or the image signal.Type: ApplicationFiled: August 20, 2013Publication date: February 27, 2014Applicants: WINTEK CORPORATION, Dongguan Masstop Liquid Crystal Display Co., Ltd.Inventors: Wei-Chou Chen, Chong-Yang Fang, Kuo-Chang Su
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Publication number: 20140028594Abstract: A touch stereoscopic display device includes a display panel, a touch panel, and a parallax barrier. The display panel has a display surface. The touch panel is disposed on a side of the display surface. The touch panel includes a cover lens and a touch sensing unit. The cover lens has a touch side and a non-touch side opposite to the touch side. The non-touch side faces the display panel. The touch sensing unit is disposed on the non-touch side of the cover lens. The parallax barrier is disposed in the touch panel, and the parallax barrier is used to generate a barrier stereoscopic display effect. The parallax barrier is disposed on the non-touch side of the cover lens.Type: ApplicationFiled: July 25, 2013Publication date: January 30, 2014Applicant: WINTEK CORPORATIONInventors: Wei-Chou Chen, Yan-Yu Su, Chong-Yang Fang, Chia-Hsiung Chang, Yi-Shian Chiou, Cheng-Chieh Hung
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Publication number: 20140021333Abstract: An image sensing apparatus including an image sensor and a light transmission module is provided. The image sensor has an active surface including a first sensing area and a second sensing area. The light transmission module is disposed over the active surface, and has a first light transmission area and a second light transmission area. A first light is allowed to penetrate through the first light transmission area and received by the first sensing area. A second light is reflected by the second light transmission area and received by the second sensing area.Type: ApplicationFiled: July 19, 2013Publication date: January 23, 2014Applicants: WINTEK CORPORATION, DONGGUAN MASSTOP LIQUID CRYSTAL DISPLAY CO., LTD.Inventors: Wei-Chou Chen, Tsung-Yen Hsieh, Chia-Hung Yeh, Lin Wu, Peng-Fei Lee, Chong-Yang Fang
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Patent number: 8525961Abstract: A polarizing plate is provided. The polarizing plate includes a polarizing layer having a first and a second opposite sides; a parallax barrier layer configured above one of the first and the second sides of the polarizing layer, and a top surface protecting layer configured above the parallax barrier layer.Type: GrantFiled: June 22, 2010Date of Patent: September 3, 2013Assignee: Hannstar Display Corp.Inventors: Mu-Kai Kang, Wei-Chou Chen, Heng-Cheng Tseng, Cheng-Yeh Tsai
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Patent number: 8411059Abstract: An integrated electromagnetic type input flat panel display apparatus is disclosed. The integrated electromagnetic type input flat panel display apparatus comprises a display panel, a control unit and a signal processing unit. The display panel has a display unit and an electromagnetic sensor unit, wherein the display unit and the electromagnetic sensor unit are integrated in to a substrate of the display panel. The signal processing unit receives and processes the signals from the electromagnetic sensor unit.Type: GrantFiled: March 28, 2011Date of Patent: April 2, 2013Assignee: Waltop International CorporationInventors: Wei-Chou Chen, Chia-Te Huang
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Patent number: 8355012Abstract: A scanning method for determining the touch position of a touch input apparatus is disclosed. First of all, a first exposure process on light sensors of the touch input apparatus by light emitting device of the touch input apparatus is performed. Then the light sensors are scanned. A light sensor generating a signal with a maximum value is located. A region of partial scan of the light sensors is determined according to the position of the light sensor generating the signal with the maximum value. A second exposure process is performed on the light sensors. Then the light sensors within the region of partial scan are scanned. A light sensor generating a signal with a maximum value within the region of partial scan is located and a next region of partial scan is determined. The maximum value of the signal is calculated and the maximum value of the signal is compared to a predetermined value to determine whether the maximum value is higher than the predetermined value.Type: GrantFiled: November 1, 2010Date of Patent: January 15, 2013Assignee: Waltop International CorporationInventors: Wei-Chou Chen, Chung-Wen Hsu
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Patent number: 8339381Abstract: The present invention provides a passive optical pen for using with a display device, which comprises a handgrip for being held by a user, a reflector positioned on an end of the handgrip, and a transparent shield covering the reflector. The reflector reflects ambient light propagated from the display device toward the display device. The transparent shield keeps the reflector at a distance from the display device, and collects the ambient light.Type: GrantFiled: November 30, 2006Date of Patent: December 25, 2012Assignee: HannStar Display Corp.Inventors: Shi-Yu Chien, Wei-Chou Chen
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Publication number: 20120299969Abstract: A tablet is disclosed having a hierarchical adjustment function in a side area thereof. In particular, a tablet has a rollover function area in a side area for performing the functions of scrolling a framed object, minifying and magnifying a framed object (such as a picture), and adjusting a (sound) volume. A drawing area (or working area) and at least one rollover function area are disposed on the surface of the tablet. The rollover function area is disposed at one side of the drawing area. A user can activate and implement the hierarchical adjustment function only by using an electromagnetic pen to touch the rollover function area and move therein.Type: ApplicationFiled: May 24, 2011Publication date: November 29, 2012Applicant: WALTOP INTERNATIONAL CORPORATIONInventors: CHIN-YEN CHEN, WEI-CHOU CHEN
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Publication number: 20120068984Abstract: An integrated electromagnetic type input flat panel display apparatus is disclosed. The integrated electromagnetic type input flat panel display apparatus comprises a display panel, a control unit and a signal processing unit. The display panel has a display unit and an electromagnetic sensor unit, wherein the display unit and the electromagnetic sensor unit are integrated in to a substrate of the display panel. The signal processing unit receives and processes the signals from the electromagnetic sensor unit.Type: ApplicationFiled: March 28, 2011Publication date: March 22, 2012Applicant: WALTOP INTERNATIONAL CORPORATIONInventors: WEI-CHOU CHEN, CHIA-TE HUANG
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Publication number: 20120044211Abstract: An optical touch locating system and method thereof is disclosed herein. The method includes the following steps. A step is used for activating the coordinate detecting module. A step is used for calculating the distance between two optical touch apparatuses. A step is used for sequentially locating a plurality of anchor points. When indicating to detect a first anchor point, a step is used to touch one of four corners on a display device by a touch object. A step is used for sequentially detecting and locating the remaining anchor points. At final step, according to the distance between two optical touch apparatuses and the coordinates of the anchor points, the touch working area. is confirmed.Type: ApplicationFiled: March 7, 2011Publication date: February 23, 2012Applicant: WALTOP INTERNATIONAL CORPORATIONInventors: CHUNG-WEN HSU, CHUNG-FUU MAO, WEI-CHOU CHEN
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Publication number: 20110298748Abstract: An input apparatus with integrated detection sections of electromagnetic type and capacitive type is disclosed. The apparatus comprises a substrate, a control device and at least one signal processing device on the substrate. The substrate comprises an electromagnetic sensor coil layout and a capacitive sensor layout.Type: ApplicationFiled: February 14, 2011Publication date: December 8, 2011Inventors: Wei-Chou Chen, Chia-Te Huang
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Publication number: 20110279412Abstract: A scanning method for determining the touch position of a touch input apparatus is disclosed. First of all, a first exposure process on light sensors of the touch input apparatus by light emitting device of the touch input apparatus is performed. Then the light sensors are scanned. A light sensor generating a signal with a maximum value is located. A region of partial scan of the light sensors is determined according to the position of the light sensor generating the signal with the maximum value. A second exposure process is performed on the light sensors. Then the light sensors within the region of partial scan are scanned. A light sensor generating a signal with a maximum value within the region of partial scan is located and a next region of partial scan is determined. The maximum value of the signal is calculated and the maximum value of the signal is compared to a predetermined value to determine whether the maximum value is higher than the predetermined value.Type: ApplicationFiled: November 1, 2010Publication date: November 17, 2011Applicant: WALTOP INTERNATIONAL CORPORATIONInventors: Wei-Chou CHEN, Chung-Wen Hsu
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Publication number: 20110261014Abstract: An optical touch apparatus is disclosed herein. The touch apparatus includes an infrared ray laser transmitting module, two infrared ray detective modules and a system controlling module. The infrared ray laser transmitting module is configured to generate an infrared ray laser light and the two infrared ray detective modules are configured to respectively detect the reflective infrared ray light reflected from a touch object. The system controlling module will receive the detective result from the infrared ray detective module so as to determine the coordinate location of the touch object.Type: ApplicationFiled: October 4, 2010Publication date: October 27, 2011Inventors: Wei-Chou Chen, Cheng-Tai Huang
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Publication number: 20110227588Abstract: The present invention relates to a layout for antenna loops having both functions of capacitance induction and electromagnetic induction, and particularly relates to the layout for antenna loops having both functions of capacitance induction and electromagnetic induction, wherein the capacitance detection elements are integrated with the antenna loops. In this layout for antenna loops, each of the antenna loops therein is separated into three sections, and there are several geometric structures fabricated in two of these sections. These geometric structures are capacitance detection elements. Therefore, the two sections are directly fabricated to be the capacitance detection elements because of these geometric structures. By this way, the antenna loops can be integrated with the capacitance detection elements and the capacitance detection elements do not prevent the antenna loops from receiving the electromagnetic signals.Type: ApplicationFiled: October 14, 2010Publication date: September 22, 2011Applicant: WALTOP INTERNATIONAL CORPORATIONInventors: Wei-Chou Chen, Ke-Wei Chen, Chia-Te Huang
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Patent number: 8023079Abstract: The present invention provides a touch panel and a liquid crystal display. The liquid crystal display includes a panel, a plurality of reflective coding patterns printed on the panel, and a polarizing plate positioned on the panel, wherein the reflective coding patterns include a plurality of cholesteric liquid crystal molecules having a pitch length and a index of refraction, and the pitch length multiplied by the index of refraction is within a range of an infrared ray wavelength.Type: GrantFiled: March 29, 2007Date of Patent: September 20, 2011Assignee: HannStar Display CorporationInventors: Wei-Chou Chen, Kei-Hsiung Yang
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Publication number: 20110214923Abstract: A light weight and full planar electromagnetic digitizer is disclosed. The electromagnetic digitizer comprises a upper board, a lower board, a circuit board and an antenna board and a cushion board. The circuit board has at least one electronic device to control the antenna board to transmit or receive electromagnetic signals and process received electromagnetic signals. The cushion board has at least one hole or cave to accommodate the electronic device. The circuit board, the antenna board and the cushion board are stacked between the upper board and the lower board.Type: ApplicationFiled: October 13, 2010Publication date: September 8, 2011Applicant: WALTOP INTERNATIONAL CORPORATIONInventors: Wei-Chou Chen, Kuang-Yao Hsieh, Jen-Shuo Liu, Chia-Te Huang
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Publication number: 20110090171Abstract: The present invention relates to an integrated substrate and display with electromagnetic sensor loop, and particularly relates to a TFT/CF array substrate and flat display with electromagnetic sensor loop. In the present invention, electromagnetic sensor loop is formed on one substrate of a display panel for getting the integrated substrate with electromagnetic sensor loop. The integrated substrate with antenna loop has both a function of a detecting board and a function of one substrate of the display panel, for example a function of a TFT/CF array substrate.Type: ApplicationFiled: April 26, 2010Publication date: April 21, 2011Applicant: WALTOP INTERNATIONAL CORPORATIONInventors: Wei-Chou Chen, Yun-Hsiang Yeh, Cheng-Lu Liu
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Publication number: 20110036648Abstract: A notebook mountable hand writing memory system is disclosed, and particular disclosed a notebook mountable tablet. In the notebook mountable hand writing memory system, a top protective layer, a sensing board and a bottom protective layer is assembled to form the writing member of the notebook mountable hand writing memory system for reducing the weight and the thickness of the notebook mountable hand writing memory system. Therefore, the notebook mountable hand writing memory system has the characteristics of low fabricating cost, low weight, and thinner thickness. Furthermore, a plurality of through holes are provided on the writing member for integrating the notebook mountable hand writing memory system with a conventional notebook. Therefore, the information written on the paper of the conventional notebook can be digitized and stored by the notebook mountable hand writing memory system.Type: ApplicationFiled: January 27, 2010Publication date: February 17, 2011Applicant: WALTOP INTERNATIONAL CORPORATIONInventors: Wei-Chou Chen, Cheng-Lu Liu, Yun-Hsiang Yeh
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Patent number: 7872706Abstract: Polarized light-emitting device with a light source, multiple layers of first optical thin films and second optical thin films alternately stacked is disclosed. Each first optical thin film has a number of first geometric units, and each second optical thin film has a number of second geometric units. The first geometric units and the second geometric units are arranged as a secondary periodic structure on the light-emitting surface of the light source. The polarized light-emitting device is able to provide polarized light with higher brightness and polarized light of a specified polarization characteristic.Type: GrantFiled: September 29, 2007Date of Patent: January 18, 2011Assignee: HannStar Display Corp.Inventors: Ting-Hang Pei, Wei-Chou Chen