Patents Assigned to TPK Touch Solutions Inc.
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Patent number: 8665226Abstract: An integrally-formed capacitive touch panel is disclosed including: a singular lens substrate, a mask layer, and a sensing circuit integrally coupled with said singular lens substrate. Said singular lens substrate, said mask layer, and said sensing circuit are integrally formed.Type: GrantFiled: February 17, 2009Date of Patent: March 4, 2014Assignee: TPK Touch Solutions Inc.Inventors: Chen-Yu Liu, Kwan-Sin Ho
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Publication number: 20140028930Abstract: Disclosed is a conductor pattern structure of a capacitive touch panel. First-axis conductor assemblies and second-axis conductor assemblies are formed on a surface of a substrate. Each first-axis conductor assembly includes a plurality of first-axis conductor cells that are interconnected by first-axis conduction lines. An insulation layer is formed on a surface of each first-axis conduction line. Each second-axis conductor assembly includes a plurality of second-axis conductor cells that are interconnected by second-axis conduction lines. Each second-axis conduction line extends across the insulation layer of the associated first-axis conduction line.Type: ApplicationFiled: September 30, 2013Publication date: January 30, 2014Applicant: TPK TOUCH SOLUTIONS INC.Inventors: Ching-Yang Chang, Shun-Ta Chien
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Patent number: 8609201Abstract: An infrared energy oxidizing and/or curing process includes an infrared oxidation zone having an infrared energy source operable to emit infrared energy that oxidizes a conductive thin film deposited or established on a glass substrate to establish a light transmissive or transparent conductive thin film for manufacturing of a touch panel. Optionally, the infrared energy curing process provides an in-line infrared energy curing process that oxidizes the conductive thin film on the glass substrate as the glass substrate is moved past the infrared energy source. Optionally, the infrared energy curing process bonds a thick film silver frit electrode pattern to the conductively coated glass substrate. Optionally, the infrared energy curing process reduces the transparent conductive thin film.Type: GrantFiled: July 2, 2008Date of Patent: December 17, 2013Assignee: TPK Touch Solutions Inc.Inventor: Catherine A. Getz
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Patent number: 8610690Abstract: A touch sensor, such as a capacitive touch sensor, includes a substrate having at least one passageway established therethrough. A first conductive coating is established at a first surface of the substrate, and a conductive element is disposed at the substrate and at least partially through the passageway. The conductive element establishes conductive continuity between the first surface and second or opposite surface of the substrate. The passageway may comprise multiple passageways and is/are established inboard of a perimeter edge of the substrate. The conductive element may include a first conductive material disposed at the first surface and partially into the passageway and a second conductive material disposed at the second surface and partially into the passageway, whereby the conductive materials contact one another in the passageway to establish conductive continuity between the first and second surfaces of the substrate.Type: GrantFiled: July 24, 2008Date of Patent: December 17, 2013Assignee: TPK Touch Solutions Inc.Inventor: Eugene L. Halsey, IV
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Patent number: 8610687Abstract: Disclosed is a conductor pattern structure of a capacitive touch panel. First-axis conductor assemblies and second-axis conductor assemblies are formed on a surface of a substrate. Each first-axis conductor assembly includes a plurality of first-axis conductor cells that are interconnected by first-axis conduction lines. An insulation layer is formed on a surface of each first-axis conduction line. Each second-axis conductor assembly includes a plurality of second-axis conductor cells that are interconnected by second-axis conduction lines. Each second-axis conduction line extends across the insulation layer of the associated first-axis conduction line.Type: GrantFiled: February 22, 2012Date of Patent: December 17, 2013Assignee: TPK Touch Solutions Inc.Inventors: Ching-Yang Chang, Shun-Ta Chien
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Patent number: 8610691Abstract: A touch screen and method for manufacturing a touch screen includes a transparent substrate having a first surface and a second surface opposite the first surface. The transparent substrate has a first transparent conductive layer disposed on the first surface. A cover sheet is spaced from the substrate by a plurality of spacer elements and has a second transparent conductive layer coated at a surface of the cover sheet and opposed to the first transparent conductive layer. An electromagnetic interference shield is disposed at the second surface of the transparent substrate. The electromagnetic interference shield includes a third transparent conductive layer.Type: GrantFiled: August 7, 2009Date of Patent: December 17, 2013Assignee: TPK Touch Solutions Inc.Inventor: Mondher Cherif
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Publication number: 20130316168Abstract: The present invention is to provide a touch screen having a bacteria inhibition layer for prohibiting bacteria from growing thereon and a method for manufacturing the same comprising uniformly dispersing particles of nano metal material in a solution to be applied to a surface treatment so that the solution can have a concentration of 20 ppm to 500 ppm; evenly spray coating the solution on a screen of the touch screen; and subjecting the solution coated on the screen of the touch screen to a heat treatment until solvent in the solution is completely evaporated so that the particles of the nano metal material are densely adhered to the screen of the touch screen to form a bacteria inhibition layer thereon.Type: ApplicationFiled: July 31, 2013Publication date: November 28, 2013Applicant: TPK Touch Solutions Inc.Inventor: Chun-Min Hu
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Publication number: 20130316089Abstract: The present invention is to provide a touch screen having a bacteria inhibition layer for prohibiting bacteria from growing thereon and a method for manufacturing the same comprising uniformly dispersing particles of nano metal material in a solution to be applied to a surface treatment so that the solution can have a concentration of 20 ppm to 500 ppm; evenly spray coating the solution on a screen of the touch screen; and subjecting the solution coated on the screen of the touch screen to a heat treatment until solvent in the solution is completely evaporated so that the particles of the nano metal material are densely adhered to the screen of the touch screen to form a bacteria inhibition layer thereon.Type: ApplicationFiled: August 1, 2013Publication date: November 28, 2013Applicant: TPK Touch Solutions Inc.Inventor: Chun-Min Hu
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Publication number: 20130306592Abstract: A method of removing portions of a conductive layer comprising a transparent conductive material and/or a metallic material disposed on a plastic substrate used for capacitive touchscreen devices includes providing a plastic substrate having a conductive layer disposed on a surface thereof and removing portions of the conductive layer at the surface of the plastic substrate to establish a pattern of electrically isolated conductive portions on the surface of the plastic substrate. The conductive portions or traces are electrically connected to a touchscreen controller, which is operable to determine a location of a touch or proximity of an object at or near the surface of the plastic substrate responsive to a detected change in capacitance. The removal process may comprise etching or laser ablating portions of the conductive layer at the surface of the plastic substrate.Type: ApplicationFiled: July 24, 2013Publication date: November 21, 2013Applicant: TPK Touch Solutions Inc.Inventors: Yun Yang, Ryan T. Gerlach
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Publication number: 20130257805Abstract: A touch sensitive in-plane switching (IPS) liquid crystal display (LCD) includes a liquid crystal layer, an active-matrix transistor layer with an electrode pair, a color filter substrate, and a sensing electrode layer. The sensing electrode layer may be disposed above or below the color filter substrate, and the sensing electrode layer may include two parts that are disposed above and below the color filter layer respectively.Type: ApplicationFiled: May 28, 2013Publication date: October 3, 2013Applicant: TPK Touch Solutions Inc.Inventor: Chen-Yu Liu
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Publication number: 20130257778Abstract: A touch sensitive in-plane switching (IPS) liquid crystal display (LCD) includes a liquid crystal layer, an active-matrix transistor layer with an electrode pair, a color filter substrate, and a sensing electrode layer. The sensing electrode layer may be disposed above or below the color filter substrate, and the sensing electrode layer may include two parts that are disposed above and below the color filter layer respectively.Type: ApplicationFiled: May 28, 2013Publication date: October 3, 2013Applicant: TPK Touch Solutions IncInventor: Chen-Yu Liu
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Publication number: 20130240260Abstract: A method and product produced by the method for forming an interactive information device with a conductively coated panel includes forming a reduced contrast increased light transmitting, conductively coated panel by providing a transparent substrate and applying a transparent, conductive layer on at least one surface of the substrate in a predetermined pattern with at least one area having a conductive layer thereon and a second area without a conductive layer. The method further includes applying a transparent layer of a metal oxide such that the metal oxide layer, such as silicon dioxide, overlies both areas whereby visible contrast between the areas is reduced and light transmission through the coated panel is increased. The coated panel is then attached to an electro-optic display for displaying information when electricity is applied thereto.Type: ApplicationFiled: May 10, 2013Publication date: September 19, 2013Applicant: TPK Touch Solutions Inc.Inventors: Eugene Halsey, IV, Catherine A. Getz
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Patent number: 8524314Abstract: The present invention is to provide a touch screen having a bacteria inhibition layer for prohibiting bacteria from growing thereon and a method for manufacturing the same comprising uniformly dispersing particles of nano metal material in a solution to be applied to a surface treatment so that the solution can have a concentration of 20 ppm to 500 ppm; evenly spray coating the solution on a screen of the touch screen; and subjecting the solution coated on the screen of the touch screen to a heat treatment until solvent in the solution is completely evaporated so that the particles of the nano metal material are densely adhered to the screen of the touch screen to form a bacteria inhibition layer thereon.Type: GrantFiled: July 6, 2010Date of Patent: September 3, 2013Assignee: TPK Touch Solutions Inc.Inventor: Chun-Min Hu
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Patent number: 8525797Abstract: Disclosed is a touch screen display with an electric field shielding layer arranged between a liquid crystal layer of an LCD device and a glass substrate, having a touch sensing layer arranged on a top surface thereof, so that the electric field shielding layer isolates signal interference between the touch sensing layer and the liquid crystal layer.Type: GrantFiled: January 15, 2008Date of Patent: September 3, 2013Assignee: TPK Touch Solutions, Inc.Inventors: Chen-Yu Liu, Shun-Ta Chien
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Patent number: 8518277Abstract: A method of removing portions of a conductive layer comprising a transparent conductive material and/or a metallic material disposed on a plastic substrate used for capacitive touchscreen devices includes providing a plastic substrate having a conductive layer disposed on a surface thereof and removing portions of the conductive layer at the surface of the plastic substrate to establish a pattern of electrically isolated conductive portions on the surface of the plastic substrate. The conductive portions or traces are electrically connected to a touchscreen controller, which is operable to determine a location of a touch or proximity of an object at or near the surface of the plastic substrate responsive to a detected change in capacitance. The removal process may comprise etching or laser ablating portions of the conductive layer at the surface of the plastic substrate.Type: GrantFiled: February 11, 2010Date of Patent: August 27, 2013Assignee: TPK Touch Solutions Inc.Inventors: Yang Yun, Ryan T. Gerlach
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Patent number: 8487198Abstract: Disclosed are a capacitive touch control device and a method thereof. A top face of a substrate is provided with first and second electrode groups, which each include a plurality of strip-like electrodes spaced from each other by a preset distance. The electrodes of the first and second electrode groups are respectively connected by first and second group scanning lines to a scanning circuit. When the first group scanning lines drive the electrodes of the first electrode group, the second group scanning lines carry out scanning operation on the electrodes of the second electrode group, and when the second group scanning lines drive the electrodes of the second electrode group, the first group scanning lines carry out scanning operation on the electrodes of the first electrode group. And, a touch location can thus be determined by using a microprocessor.Type: GrantFiled: August 13, 2008Date of Patent: July 16, 2013Assignee: TPK Touch Solutions Inc.Inventors: Chen-Yu Liu, Ching-Yi Wang
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Patent number: 8471828Abstract: A touch sensitive in-plane switching (IPS) liquid crystal display (LCD) includes a liquid crystal layer, an active-matrix transistor layer with an electrode pair, a color filter substrate, and a sensing electrode layer. The sensing electrode layer may be disposed above or below the color filter substrate, and the sensing electrode layer may include two parts that are disposed above and below the color filter layer respectively.Type: GrantFiled: September 10, 2009Date of Patent: June 25, 2013Assignee: TPK Touch Solutions Inc.Inventor: Chen-Yu Liu
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Patent number: 8466882Abstract: A touch sensor, such as a capacitive touch sensor, includes a substrate having at least one passageway established therethrough. A first conductive coating is established at a first surface of the substrate, and a conductive element is disposed at the substrate and at least partially through the passageway. The conductive element establishes conductive continuity between the first surface and second or opposite surface of the substrate. A thin sheet (such as a thin glass or plastic sheet) is disposed at and over the first surface of the substrate. The passageway may comprise multiple passageways established inboard of a perimeter edge of the substrate. The thin glass or plastic sheet may be laminated at or to the substrate.Type: GrantFiled: April 27, 2009Date of Patent: June 18, 2013Assignee: TPK Touch Solutions Inc.Inventors: Eugene L. Halsey, IV, Mondher Cherif
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Patent number: 8414783Abstract: A method of forming double-sided patterns in a touch panel circuit is disclosed. A first conductive layer and a second conductive layer are respectively formed on both sides of a substrate. A blocking layer is formed on a top surface of the first conductive layer for blocking ultraviolet (UV) light. A first photoresist layer is formed on a top surface of the blocking layer, and a second photoresist layer is formed on a bottom surface of the second conductive layer. Accordingly, two sides of the substrate may be exposed, developed and etched at the same time, thereby substantially simplifying the process of manufacturing the touch panel circuit.Type: GrantFiled: July 24, 2009Date of Patent: April 9, 2013Assignee: TPK Touch Solutions Inc.Inventors: Chen-Yu Liu, Ching-Yi Wang, Cheng-Ping Liu, Lu-Hsin Li
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Patent number: 8354143Abstract: A capacitive touch screen and method of manufacturing such a touch screen includes providing a substrate and coating a surface of the substrate with a transparent conductive coating. An uncured conductive electrode material, such as an uncured silver epoxy material or an uncured silver or equivalent conducting metallic paste material, is disposed at least over a portion of the transparent conductive coating to establish a precursor of at least one metallic electrode at the substrate surface. A precursor of a protective hardcoat is established at least over the transparent conductive coating and/or the metallic electrode. Such precursor/undercured/uncured layers are then cured via a single common curing/firing process, which may heat the substrate and coatings to an elevated temperature, such as at about 500 degrees Celsius or above.Type: GrantFiled: May 25, 2006Date of Patent: January 15, 2013Assignee: TPK Touch Solutions Inc.Inventors: Eugene L. Halsey, IV, Mondher Cherif