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: 11800642Abstract: A bonding pad structure includes a substrate, a flexible printed circuit board, and a plurality of bonding pins. The bonding pins include at least one central bonding pin and at least two first bonding pins. The at least one central bonding pin is located at a center of bonding pins. The at least two first bonding pins are located farthest away from the at least one central bonding pin and have mirror symmetry with respect to the at least one central bonding pin. The at least one central bonding pin includes a first end and a second end. A first width A of the first end and a second width B of the second end satisfy 0<A/B?1. A tilt angle ? is formed between one of the at least two first bonding pins and one side of the substrate and satisfies 0<??90.Type: GrantFiled: December 1, 2020Date of Patent: October 24, 2023Assignee: TPK Advanced Solutions Inc.Inventors: Xian-Bin Xu, He Luo, Ming-Qiang Fu, Xiong-Min Zhang, Chen-Hsin Chang
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Patent number: 11648627Abstract: A touch display device is provided in some embodiments of the present disclosure, including a transparent cover, a patterned touch sensing film layer, a light-shielding layer, and a UV-blocking layer. The patterned touch sensing film layer covers a first surface of the transparent cover. The light-shielding layer is located between the transparent cover and the patterned touch sensing film layer. The UV-blocking layer prevents UV from irradiating the light-shielding layer. The UV-blocking layer is located between the light-shielding layer and the patterned touch sensing film layer and covers the light-shielding layer. A method of forming a touch display device is also provided. The touch display device and formation method thereof provided in some embodiments avoid the injury of the light-shielding layer caused by the laser by disposing of the UV-blocking layer in the single-side electrode structure, which replaces the wet etching steps and decreases the cost of the etching steps.Type: GrantFiled: May 25, 2021Date of Patent: May 16, 2023Assignee: TPK Advanced Solutions Inc.Inventors: Yu Zhang, Chen Hsin Chang, Liang Zhen Xu
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Patent number: 11650704Abstract: A bonding structure includes a substrate, a first sensing electrode layer, a second sensing electrode layer, an optical film layer, and a protective layer. The substrate has opposite first and second surfaces. A sensing area and a bonding area are defined on the substrate. The first sensing electrode layer is disposed on the first surface. The second sensing electrode layer is disposed on the second surface. The optical film layer covers the first sensing electrode layer and has a first bonding opening located in the bonding area. The protective layer covers the second sensing electrode layer and has a second bonding opening located in the bonding area. The first and second bonding openings respectively expose a part of the first sensing electrode layer and a part of the second sensing electrode layer and are misaligned in a direction perpendicular to the first or second surface.Type: GrantFiled: August 2, 2021Date of Patent: May 16, 2023Assignee: TPK Advanced Solutions Inc.Inventors: Xian Bin Xu, Xiong Min Zhang, Bao Huang Chen, Qing Hui Lu, Chen-Hsin Chang, Po-Pin Hung
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Publication number: 20230036389Abstract: A bonding structure includes a substrate, a first sensing electrode layer, a second sensing electrode layer, an optical film layer, and a protective layer. The substrate has opposite first and second surfaces. A sensing area and a bonding area are defined on the substrate. The first sensing electrode layer is disposed on the first surface. The second sensing electrode layer is disposed on the second surface. The optical film layer covers the first sensing electrode layer and has a first bonding opening located in the bonding area. The protective layer covers the second sensing electrode layer and has a second bonding opening located in the bonding area. The first and second bonding openings respectively expose a part of the first sensing electrode layer and a part of the second sensing electrode layer and are misaligned in a direction perpendicular to the first or second surface.Type: ApplicationFiled: August 2, 2021Publication date: February 2, 2023Inventors: Xian Bin Xu, Xiong Min Zhang, Bao Huang Chen, Qing Hui Lu, Chen-Hsin Chang, Po-Pin Hung
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Publication number: 20220379406Abstract: A touch display device is provided in some embodiments of the present disclosure, including a transparent cover, a patterned touch sensing film layer, a light-shielding layer, and a UV-blocking layer. The patterned touch sensing film layer covers a first surface of the transparent cover. The light-shielding layer is located between the transparent cover and the patterned touch sensing film layer. The UV-blocking layer prevents UV from irradiating the light-shielding layer. The UV-blocking layer is located between the light-shielding layer and the patterned touch sensing film layer and covers the light-shielding layer. A method of forming a touch display device is also provided. The touch display device and formation method thereof provided in some embodiments avoid the injury of the light-shielding layer caused by the laser by disposing of the UV-blocking layer in the single-side electrode structure, which replaces the wet etching steps and decreases the cost of the etching steps.Type: ApplicationFiled: May 25, 2021Publication date: December 1, 2022Inventors: Yu Zhang, Chen Hsin Chang, Liang Zhen Xu
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Patent number: 11510313Abstract: An electronic device includes a substrate and a flexible printed circuit board. The substrate includes a plurality of first pins disposed on the substrate. The flexible printed circuit board includes a plurality of second pins disposed on the flexible printed circuit board. The first pins and the second pins are bonded to each other to form a plurality of bonding points. The bonding points include at least one central bonding point and at least one first bonding point. The at least one central bonding point is located in a central area of the electronic device. The at least one first bonding point is located in a first area of the electronic device. The first area is located outside the central area. A line width of the at least one first bonding point is greater than a line width of the at least one central bonding point.Type: GrantFiled: November 12, 2020Date of Patent: November 22, 2022Assignee: TPK Advanced Solutions Inc.Inventors: Xian-Bin Xu, Ming-Qiang Fu, He Luo, Chen-Hsin Chang
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Patent number: 11494011Abstract: An electronic device includes a substrate, a polarizer, a flexible printed circuit board, a first transparent glue layer, a first colloid, and a second colloid. The substrate includes a first side and a second side. The first side is opposite to the second side. The polarizer is disposed on the first side of the substrate. The flexible printed circuit board is connected to the first side of the substrate with a conductive glue. A gap is formed between flexible circuit board and polarizer. The first transparent glue layer is disposed on the second side of substrate. The first colloid is configured to bond at least two of substrate, polarizer, or flexible printed circuit board. The second colloid is configured to bond at least two of the substrate, the flexible printed circuit board, or the first transparent glue layer. The first colloid is not in contact with the second colloid.Type: GrantFiled: January 14, 2021Date of Patent: November 8, 2022Assignee: TPK Advanced Solutions Inc.Inventors: Xian Bin Xu, Ming Qiang Fu, Shi Yuan Lian, Yong Hui Huang, Xiong Min Zhang, Chen Hsin Chang
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Patent number: 11493809Abstract: An electronic curtain includes a first electrode, a second electrode, and an electrochromic element. At least one of the first electrode or the second electrode includes a plurality of conductive layers stacked and in contact with each other. The electrochromic element is sandwiched between the first electrode and the second electrode.Type: GrantFiled: January 14, 2021Date of Patent: November 8, 2022Assignee: TPK Advanced Solutions Inc.Inventors: Tsai Kuei Wei, Chen Hsin Chang, Ya Wan Chen, Cai Jin Ye, Tai Shih Cheng
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Patent number: 11428966Abstract: Systems and methods are provided that may be implemented to increase display panel brightness consistency when using an electronically-activated privacy filter of an information handling system to switch back and forth between a private viewing mode and a non-private viewing mode. The provided systems and methods may automatically vary the brightness intensity of currently-active display panel backlight/s without user control so as to compensate for changes in the display panel brightness that would otherwise occur due to changes in the number of active backlights caused by switching between private viewing mode and non-private viewing mode.Type: GrantFiled: June 30, 2020Date of Patent: August 30, 2022Assignee: Dell Products L.P.Inventor: Chen-Hsin Chang
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Publication number: 20220221762Abstract: An electronic curtain includes a first electrode, a second electrode, and an electrochromic element. At least one of the first electrode or the second electrode includes a plurality of conductive layers stacked and in contact with each other. The electrochromic element is sandwiched between the first electrode and the second electrode.Type: ApplicationFiled: January 14, 2021Publication date: July 14, 2022Inventors: Tsai Kuei Wei, Chen Hsin Chang, Ya Wan Chen, Cai Jin Ye, Tai Shih Cheng
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Publication number: 20220221948Abstract: An electronic device includes a substrate, a polarizer, a flexible printed circuit board, a first transparent glue layer, a first colloid, and a second colloid. The substrate includes a first side and a second side. The first side is opposite to the second side. The polarizer is disposed on the first side of the substrate. The flexible printed circuit board is connected to the first side of the substrate with a conductive glue. A gap is formed between flexible circuit board and polarizer. The first transparent glue layer is disposed on the second side of substrate. The first colloid is configured to bond at least two of substrate, polarizer, or flexible printed circuit board. The second colloid is configured to bond at least two of the substrate, the flexible printed circuit board, or the first transparent glue layer. The first colloid is not in contact with the second colloid.Type: ApplicationFiled: January 14, 2021Publication date: July 14, 2022Inventors: Xian Bin Xu, Ming Qiang Fu, Shi Yuan Lian, Yong Hui Huang, Xiong Min Zhang, Chen Hsin Chang
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Publication number: 20220174818Abstract: A bonding pad structure includes a substrate, a flexible printed circuit board, and a plurality of bonding pins. The bonding pins include at least one central bonding pin and at least two first bonding pins. The at least one central bonding pin is located at a center of bonding pins. The at least two first bonding pins are located farthest away from the at least one central bonding pin and have mirror symmetry with respect to the at least one central bonding pin. The at least one central bonding pin includes a first end and a second end. A first width A of the first end and a second width B of the second end satisfy 0<A/B?1. A tilt angle ? is formed between one of the at least two first bonding pins and one side of the substrate and satisfies 0<??90.Type: ApplicationFiled: December 1, 2020Publication date: June 2, 2022Inventors: Xian-Bin Xu, He Luo, Ming-Qiang Fu, Xiong-Min Zhang, Chen-Hsin Chang
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Publication number: 20220151062Abstract: An electronic device includes a substrate and a flexible printed circuit board. The substrate includes a plurality of first pins disposed on the substrate. The flexible printed circuit board includes a plurality of second pins disposed on the flexible printed circuit board. The first pins and the second pins are bonded to each other to form a plurality of bonding points. The bonding points include at least one central bonding point and at least one first bonding point. The at least one central bonding point is located in a central area of the electronic device. The at least one first bonding point is located in a first area of the electronic device. The first area is located outside the central area. A line width of the at least one first bonding point is greater than a line width of the at least one central bonding point.Type: ApplicationFiled: November 12, 2020Publication date: May 12, 2022Inventors: Xian-Bin Xu, Ming-Qiang Fu, He Luo, Chen-Hsin Chang
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Publication number: 20220147184Abstract: A touch sensing layer includes a first-axis conductive unit, a second-axis conductive unit, and at least one dummy electrode. The first-axis conductive unit substantially extends along a first axial direction. The second-axis conductive unit substantially extends along a second axial direction and includes two conductive electrodes and a conductive bridge. The two conductive electrodes are respectively located at opposite sides of the first-axis conductive unit. The conductive bridge crosses the first-axis conductive unit and is connected to the two conductive electrodes. The dummy electrode includes at least one part located in a gap formed between the first-axis conductive unit and one of the two conductive electrodes.Type: ApplicationFiled: November 6, 2020Publication date: May 12, 2022Inventors: Caijin Ye, Chun Yan Wu, Tsai-Kuei Wei, Chen-Hsin Chang, Lien-Hsin Lee, Tai-Shih Cheng
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Patent number: 11327620Abstract: A touch sensing layer includes a first-axis conductive unit, a second-axis conductive unit, and at least one dummy electrode. The first-axis conductive unit substantially extends along a first axial direction. The second-axis conductive unit substantially extends along a second axial direction and includes two conductive electrodes and a conductive bridge. The two conductive electrodes are respectively located at opposite sides of the first-axis conductive unit. The conductive bridge crosses the first-axis conductive unit and is connected to the two conductive electrodes. The dummy electrode includes at least one part located in a gap formed between the first-axis conductive unit and one of the two conductive electrodes.Type: GrantFiled: November 6, 2020Date of Patent: May 10, 2022Assignee: TPK Advanced Solutions Inc.Inventors: Caijin Ye, Chun Yan Wu, Tsai-Kuei Wei, Chen-Hsin Chang, Lien-Hsin Lee, Tai-Shih Cheng
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Publication number: 20210405404Abstract: Systems and methods are provided that may be implemented to increase display panel brightness consistency when using an electronically-activated privacy filter of an information handling system to switch back and forth between a private viewing mode and a non-private viewing mode. The provided systems and methods may automatically vary the brightness intensity of currently-active display panel backlight/s without user control so as to compensate for changes in the display panel brightness that would otherwise occur due to changes in the number of active backlights caused by switching between private viewing mode and non-private viewing mode.Type: ApplicationFiled: June 30, 2020Publication date: December 30, 2021Inventor: Chen-Hsin Chang
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Patent number: 11068091Abstract: A touch panel includes a substrate, a photosensitive layer, a metal nanowire layer and a photosensitive conductive layer. The metal nanowire layer and the photosensitive layer are formed on a display area and a peripheral area of the substrate. The photosensitive conductive layer is formed on the metal nanowire layer on the peripheral area. A removal region and a reserved region of both the photosensitive conductive layer and the photosensitive layer are defined by an exposure process. At the display area, the photosensitive layer and the metal nanowire layer in the removal region are removed by a developer to form a touch sensing electrode. At the peripheral area, the photosensitive conductive layer, the photosensitive layer and the metal nanowire layer in the removal region are removed by a developer to form a peripheral conductive trace. The touch sensing electrode is electrically connected to the peripheral conductive trace.Type: GrantFiled: June 27, 2019Date of Patent: July 20, 2021Assignee: TPK Glass Solutions (Xiamen) Inc.Inventors: Chen-Hsin Chang, Chia-Hao Hsu, Shan-Yu Wu
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Publication number: 20200012372Abstract: A touch panel includes a substrate, a photosensitive layer, a metal nanowire layer and a photosensitive conductive layer. The metal nanowire layer and the photosensitive layer are formed on a display area and a peripheral area of the substrate. The photosensitive conductive layer is formed on the metal nanowire layer on the peripheral area. A removal region and a reserved region of both the photosensitive conductive layer and the photosensitive layer are defined by an exposure process. At the display area, the photosensitive layer and the metal nanowire layer in the removal region are removed by a developer to form a touch sensing electrode. At the peripheral area, the photosensitive conductive layer, the photosensitive layer and the metal nanowire layer in the removal region are removed by a developer to form a peripheral conductive trace. The touch sensing electrode is electrically connected to the peripheral conductive trace.Type: ApplicationFiled: June 27, 2019Publication date: January 9, 2020Inventors: Chen-Hsin Chang, Chia-Hao Hsu, Shan-Yu Wu
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Patent number: 10432007Abstract: 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: GrantFiled: May 3, 2017Date of Patent: October 1, 2019Assignee: Dell Products L.P.Inventors: Chen-Hsin Chang, Chih-Chiang Tsui
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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