Patents by Inventor Chen-Hsin Chang
Chen-Hsin Chang 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: 10345952Abstract: A touch panel includes a driving layer and a sensing layer. The driving layer has a first top surface and a driving layer edge. The first top surface has at least one first connecting region. The driving layer edge surrounds the first connecting region and there is a first distance between the first connecting region and the driving layer edge. The sensing layer is disposed on the first top surface of the driving layer. The second top surface of sensing layer away from the driving layer has at least one second connecting region. The sensing layer edge of the sensing layer surrounds the second connecting region, and there is a second distance between the sensing layer edge and the at least one second connecting region.Type: GrantFiled: January 16, 2017Date of Patent: July 9, 2019Assignee: TPK Touch Systems (Xiamen) Inc.Inventors: Chen-Hsin Chang, Bin Zhong, Che-I Wu, Fuding Wang, Lixian Chen, Yongbin Ke
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Publication number: 20180323624Abstract: Circuits, systems and methods that may be implemented to achieve thermal management for system load components by balancing power between multiple input power current paths for a narrow voltage DC (NVDC) circuit architecture coupled to receive input external DC power, e.g., such as provided by an external AC adapter. At least one of the multiple current paths may be coupled to supply DC power to a lower voltage portion of a system load through a charger circuit, while at least one other of the multiple current paths may be coupled to selectably supply DC power directly to another and different higher voltage portion of the system load, bypassing the charger circuit and related NVDC components.Type: ApplicationFiled: May 3, 2017Publication date: November 8, 2018Inventors: Chen-Hsin Chang, Chih-Chiang Tsui
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Patent number: 10039181Abstract: The present disclosure provides a touch-sensing electrode structure, which includes a plurality of touch-sensing electrodes. Each of the touch-sensing electrodes includes a main body and a connecting portion connected to an end of the main body; wherein the width of the connecting portion is not less than a half width of the end of the main body. The touch-sensing electrode structure also includes a plurality of signal-transmitting wires, each of which includes a head portion and a tail wire connected to the head portion. The head portions of the signal-transmitting wires is superimposed on the connecting portions and electrically connected to the connecting portions respectively. Furthermore, a method of manufacturing the above touch-sensing electrode structure is also provided.Type: GrantFiled: November 7, 2013Date of Patent: July 31, 2018Inventors: Chen-Hsin Chang, Bin Zhong, Fuding Wang, Zhenjun Fei, Lixian Chen
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Patent number: 9872400Abstract: The present disclosure provides a touch panel, including a substrate, at least one sensing electrode layer, a wire layer, a first light-shielding layer and a second light-shielding layer. The substrate has a visible region and a non-visible region. The wire layer corresponds to the non-visible region, wherein the wire layer includes signal lines and at least one gap therebetween, the signal lines electrically connect the sensing electrode layer. The first light-shielding layer is disposed within the non-visible region and between the substrate and the wire layer, wherein the first light-shielding layer includes at least one recess and a position of the recess corresponds to a position of the gap. The second light-shielding layer corresponds to the recess, wherein an area covered by the second light-shielding layer is equal to or greater than an aperture of the recess. The present disclosure also provides a method for manufacturing a touch panel.Type: GrantFiled: October 27, 2014Date of Patent: January 16, 2018Assignee: TPK Touch Systems (XIAMEN) IncInventors: Chen-Hsin Chang, Che-I Wu, Zhihong Ke, Lixian Chen, Wenzhi Qian
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Patent number: 9851760Abstract: A touch panel including a flexible substrate, first and second electrode patterns and a trace structure is mounted inside a casing unit with a main casing and a side frame connected to a periphery of the main casing and provided with a key icon. The substrate is disposed in the casing unit and includes first and second areas respectively corresponding to the main casing and side frame. The first electrode pattern is formed on the substrate at the first area. The second electrode pattern is formed on the substrate at the second area corresponding to the key icon. The trace structure is formed on the substrate with contacts and traces connected among the first electrode pattern, the second electrode pattern and the contacts.Type: GrantFiled: June 11, 2015Date of Patent: December 26, 2017Assignee: TPK Touch Systems (XIAMEN) IncInventors: Chen-Hsin Chang, Pu-Hsin Chang, Jui-Hsing Li, Fucheng Chen, Pudi Hong
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Publication number: 20170123584Abstract: A touch panel includes a driving layer and a sensing layer. The driving layer has a first top surface and a driving layer edge. The first top surface has at least one first connecting region. The driving layer edge surrounds the first connecting region and there is a first distance between the first connecting region and the driving layer edge. The sensing layer is disposed on the first top surface of the driving layer. The second top surface of sensing layer away from the driving layer has at least one second connecting region. The sensing layer edge of the sensing layer surrounds the second connecting region, and there is a second distance between the sensing layer edge and the at least one second connecting region.Type: ApplicationFiled: January 16, 2017Publication date: May 4, 2017Inventors: Chen-Hsin Chang, Bin Zhong, JR., Che-I Wu, Fuding Wang, Lixian Chen, Yongbin Ke
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Patent number: 9547401Abstract: A touch panel includes a driving layer and a sensing layer. The driving layer has a first top surface and a driving layer edge. The first top surface has at least one first connecting region. The driving layer edge surrounds the first connecting region and there is a first distance between the first connecting region and the driving layer edge. The sensing layer is disposed on the first top surface of the driving layer. The second top surface of sensing layer away from the driving layer has at least one second connecting region. The sensing layer edge of the sensing layer surrounds the second connecting region, and there is a second distance between the sensing layer edge and the at least one second connecting region.Type: GrantFiled: February 10, 2015Date of Patent: January 17, 2017Inventors: Chen-Hsin Chang, Bin Zhong, Che-I Wu, Fuding Wang, Lixian Chen, Yongbin Ke
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Patent number: 9367187Abstract: A touch panel having at least one non-right angle corner region on a corner of the touch panel is provided. The touch panel includes a first electrode and a second electrode. The first electrode crosses the second electrode, and the first electrode is electrically isolated from the second electrode. The first electrode includes a plurality of first stripe electrodes extending along a first direction. The second electrode includes a plurality of second stripe electrodes and at least one auxiliary electrode. The second stripe electrodes extend along a second direction. The auxiliary electrode is disposed on the non-right angle corner region. An included angle between the auxiliary electrode and the second direction is less than 90 degrees. The auxiliary electrode is electrically connected to at least one of the second stripe electrodes adjacent to the auxiliary electrode.Type: GrantFiled: October 27, 2013Date of Patent: June 14, 2016Assignee: TPK Touch Systems (Xiamen) Inc.Inventors: Chen-Hsin Chang, Bin Zhong, Fuding Wang, Lixian Chen, Tianyan Wang
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Patent number: 9354671Abstract: A manufacturing method for forming a touch device is disclosed. A substrate having a viewing region is provided. A plurality of first sensing electrodes are spaced apart from each other on the substrate corresponding to the viewing region. An insulating layer is formed on the plurality of first sensing electrodes. A plurality of second sensing electrodes are transfer-printed onto the insulating layer, wherein the plurality of second sensing electrodes are spaced apart from each other, and wherein the plurality of first sensing electrodes are in a staggered arrangement with the plurality of second sensing electrodes and insulated from the plurality of second sensing electrodes by the insulating layer. A touch device is also disclosed.Type: GrantFiled: September 24, 2013Date of Patent: May 31, 2016Assignee: TPK Touch Systems (Xiamen) Inc.Inventors: Heng-Yao Chang, Chen-Hsin Chang, Mengh-Sueh Wu, Che-L Wu, Lixian Chen
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Publication number: 20150362960Abstract: A touch panel including a flexible substrate, first and second electrode patterns and a trace structure is mounted inside a casing unit with a main casing and a side frame connected to a periphery of the main casing and provided with a key icon. The substrate is disposed in the casing unit and includes first and second areas respectively corresponding to the main casing and side frame. The first electrode pattern is formed on the substrate at the first area. The second electrode pattern is formed on the substrate at the second area corresponding to the key icon. The trace structure is formed on the substrate with contacts and traces connected among the first electrode pattern, the second electrode pattern and the contacts.Type: ApplicationFiled: June 11, 2015Publication date: December 17, 2015Inventors: Chen-Hsin Chang, Pu-Hsin Chang, Jui-Hsing Li, Fucheng Chen, Pudi Hong
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Publication number: 20150286315Abstract: A touch panel includes a driving layer and a sensing layer. The driving layer has a first top surface and a driving layer edge. The first top surface has at least one first connecting region. The driving layer edge surrounds the first connecting region and there is a first distance between the first connecting region and the driving layer edge. The sensing layer is disposed on the first top surface of the driving layer. The second top surface of sensing layer away from the driving layer has at least one second connecting region. The sensing layer edge of the sensing layer surrounds the second connecting region, and there is a second distance between the sensing layer edge and the at least one second connecting region.Type: ApplicationFiled: February 10, 2015Publication date: October 8, 2015Inventors: Chen-Hsin Chang, Bin Zhong, Che-I Wu, Fuding Wang, Lixian Chen, Yongbin Ke
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Patent number: 9148143Abstract: A manufacturing method of a touch device is disclosed. A substrate having a viewing region is provided. A plurality of first sensing electrodes and a plurality of second sensing electrodes insulated from and in a staggered arrangement with the plurality of first sensing electrodes are formed on the substrate corresponding to the viewing region, wherein a plurality of jumper regions are defined between the adjacent second sensing electrodes. An insulating layer is formed on the plurality of first sensing electrodes and the plurality of second sensing electrodes. A plurality of jumpers is transfer-printed onto the insulating layer, wherein the plurality of jumpers is electrically connected to the adjacent second sensing electrodes and insulated from the first sensing electrodes by the insulating layer. A touch device is also disclosed.Type: GrantFiled: September 25, 2013Date of Patent: September 29, 2015Assignee: TPK Touch Systems (Xiamen) Inc.Inventors: Heng-Yao Chang, Chen-Hsin Chang, Mengh-Sueh Wu, Che-l Wu, Lixian Chen
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Publication number: 20150114815Abstract: The present disclosure provides a touch panel, including a substrate, at least one sensing electrode layer, a wire layer, a first light-shielding layer and a second light-shielding layer. The substrate has a visible region and a non-visible region. The wire layer corresponds to the non-visible region, wherein the wire layer includes signal lines and at least one gap therebetween, the signal lines electrically connect the sensing electrode layer. The first light-shielding layer is disposed within the non-visible region and between the substrate and the wire layer, wherein the first light-shielding layer includes at least one recess and a position of the recess corresponds to a position of the gap. The second light-shielding layer corresponds to the recess, wherein an area covered by the second light-shielding layer is equal to or greater than an aperture of the recess. The present disclosure also provides a method for manufacturing a touch panel.Type: ApplicationFiled: October 27, 2014Publication date: April 30, 2015Inventors: Chen-Hsin Chang, Che-I Wu, Zhihong Ke, Lixian Chen, Wenzhi Qian
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Publication number: 20140224635Abstract: A manufacturing method of a touch device is disclosed. A substrate having a viewing region is provided. A plurality of first sensing electrodes and a plurality of second sensing electrodes insulated from and in a staggered arrangement with the plurality of first sensing electrodes are formed on the substrate corresponding to the viewing region, wherein a plurality of jumper regions are defined between the adjacent second sensing electrodes. An insulating layer is formed on the plurality of first sensing electrodes and the plurality of second sensing electrodes. A plurality of jumpers is transfer-printed onto the insulating layer, wherein the plurality of jumpers is electrically connected to the adjacent second sensing electrodes and insulated from the first sensing electrodes by the insulating layer. A touch device is also disclosed.Type: ApplicationFiled: September 25, 2013Publication date: August 14, 2014Applicant: TPK Touch Systems (Xiamen) Inc.Inventors: Heng-Yao Chang, Chen-Hsin Chang, Mengh-Sueh Wu, Che-I Wu, Lixian Chen
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Publication number: 20140131069Abstract: The present disclosure provides a touch-sensing electrode structure, which includes a plurality of touch-sensing electrodes. Each of the touch-sensing electrodes includes a main body and a connecting portion connected to an end of the main body; wherein the width of the connecting portion is not less than a half width of the end of the main body. The touch-sensing electrode structure also includes a plurality of signal-transmitting wires, each of which includes a head portion and a tail wire connected to the head portion. The head portions of the signal-transmitting wires is superimposed on the connecting portions and electrically connected to the connecting portions respectively. Furthermore, a method of manufacturing the above touch-sensing electrode structure is also provided.Type: ApplicationFiled: November 7, 2013Publication date: May 15, 2014Applicant: TPK Touch Systems (Xiamen) Inc.Inventors: Chen-Hsin Chang, Bin Zhong, Fuding Wang, Zhenjun Fei, Lixian Chen
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Publication number: 20140118280Abstract: A touch panel having at least one non-right angle corner region on a corner of the touch panel is provided. The touch panel includes a first electrode and a second electrode. The first electrode crosses the second electrode, and the first electrode is electrically isolated from the second electrode. The first electrode includes a plurality of first stripe electrodes extending along a first direction. The second electrode includes a plurality of second stripe electrodes and at least one auxiliary electrode. The second stripe electrodes extend along a second direction. The auxiliary electrode is disposed on the non-right angle corner region. An included angle between the auxiliary electrode and the second direction is less than 90 degrees. The auxiliary electrode is electrically connected to at least one of the second stripe electrodes adjacent to the auxiliary electrode.Type: ApplicationFiled: October 27, 2013Publication date: May 1, 2014Applicant: TPK Touch Systems (Xiamen) Inc.Inventors: Chen-Hsin Chang, Bin Zhong, Fuding Wang, Lixian Chen, Tianyan Wang
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Publication number: 20140085550Abstract: A manufacturing method for forming a touch device is disclosed. A substrate having a viewing region is provided. A plurality of first sensing electrodes are spaced apart from each other on the substrate corresponding to the viewing region. An insulating layer is formed on the plurality of first sensing electrodes. A plurality of second sensing electrodes are transfer-printed onto the insulating layer, wherein the plurality of second sensing electrodes are spaced apart from each other, and wherein the plurality of first sensing electrodes are in a staggered arrangement with the plurality of second sensing electrodes and insulated from the plurality of second sensing electrodes by the insulating layer. A touch device is also disclosed.Type: ApplicationFiled: September 24, 2013Publication date: March 27, 2014Applicant: TPK Touch Systems (Xiamen) Inc.Inventors: Heng-Yao Chang, Chen-Hsin Chang, Mengh-Sueh Wu, Che-L Wu, Lixian Chen
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Publication number: 20120306941Abstract: A power-saving technology of a display device is provided, in which a device and a method are proposed to control the signal processing of the backlight module such that it is synchronized with the backlight and a frame output signal. The device comprises a signal generation module for generating a vertical synchronization (VSYNC) signal having a first and a second state in each time period and a first pulse width modulation (PWM) signal and a modulation control module for receiving the VSYNC and the first PWM signals. The modulation control module transmits the first PWM signal to the backlight module when the VSYNC signal is in the first state such that the backlight module operates accordingly. The modulation control module transmits a second PWM signal to the backlight module when the VSYNC signal is in the second state such that the backlight module turns off.Type: ApplicationFiled: May 30, 2012Publication date: December 6, 2012Applicant: COMPAL ELECTRONICS, INC.Inventor: Chen-Hsin Chang