Patents by Inventor Wen-Cheng Tsai
Wen-Cheng Tsai 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: 11942543Abstract: A high-voltage semiconductor device structure is provided. The high-voltage semiconductor device structure includes a semiconductor substrate, a source ring in the semiconductor substrate, and a drain region in the semiconductor substrate. The high-voltage semiconductor device structure also includes a doped ring surrounding sides and a bottom of the source ring and a well region surrounding sides and bottoms of the drain region and the doped ring. The well region has a conductivity type opposite to that of the doped ring. The high-voltage semiconductor device structure further includes a conductor electrically connected to the drain region and extending over and across a periphery of the well region. In addition, the high-voltage semiconductor device structure includes a shielding element ring between the conductor and the semiconductor substrate. The shielding element ring extends over and across the periphery of the well region.Type: GrantFiled: June 29, 2022Date of Patent: March 26, 2024Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Hung-Chou Lin, Yi-Cheng Chiu, Karthick Murukesan, Yi-Min Chen, Shiuan-Jeng Lin, Wen-Chih Chiang, Chen-Chien Chang, Chih-Yuan Chan, Kuo-Ming Wu, Chun-Lin Tsai
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Publication number: 20240093373Abstract: A method for preparing antibacterial stainless steel by surface alloying includes the steps of coating an infiltration promoter layer on a stainless steel surface, coating an antibacterial metal layer on a surface of the infiltration promoter layer, and performing heat treatment of the stainless steel to diffuse an antibacterial metal into the stainless steel. This method can be applied to various types of stainless steel, and the antibacterial metal can be diffused and quenched into the stainless steel, such that the finally formed surface of the stainless steel has an antibacterial alloy layer with a specific thickness to provide better corrosion resistance and antibacterial ability without changing the advantages and properties of the antibacterial metal or stainless steel substrate, and the thickness and concentration of the antibacterial metal layer, and the parameters for heat treatment can be adjusted to control the chemical composition and thickness of the antibacterial alloy layer.Type: ApplicationFiled: November 16, 2022Publication date: March 21, 2024Inventors: WEN-TA TSAI, BERNARD HAOCHIH LIU, ZHI-YAN CHEN, CHONG-CHENG HUANG
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Patent number: 11199878Abstract: A casing structure including a first housing, a glue layer, and a second housing is provided. The first housing has a first inner edge. The glue layer is disposed at the first inner edge. The second housing has a second inner edge. The first housing is assembled to the second housing, and the first inner edge is aligned with the second inner edge. The glue layer abuts against the second inner edge so as to combine the first housing with the second housing. A gap formed between the glue layer and a part of the second inner edge is defined as a glue overflow buffer area.Type: GrantFiled: November 8, 2018Date of Patent: December 14, 2021Assignee: PEGATRON CORPORATIONInventors: Mei-Hsueh Huang, Ho-Ching Huang, Wen-Cheng Tsai
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Patent number: 11064618Abstract: The application discloses an electronic device including a motherboard and a housing structure. The motherboard has a first surface and a second surface. The housing structure includes a first casing, a first cushion, a second casing, and a second cushion. The first casing has at least one first fixing member. The first cushion covers the first surface, is accommodated in the first casing and has at least one first through hole. The second casing has at least one second fixing member. The second cushion covers the second surface, is accommodated in the second casing and has at least one second through hole. A peripheral edge of the first cushion is attached to a peripheral edge of the second cushion, and the first fixing member may be fixed to the second fixing member through the first through hole and the second through hole.Type: GrantFiled: April 6, 2020Date of Patent: July 13, 2021Assignee: PEGATRON CORPORATIONInventors: Kuan-Ting Lin, Wen-Cheng Tsai, Jr-Hung Huang, Danny Sun, Ho-Ching Huang, Nien-Yu Chang, Ming-Ke Chou
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Publication number: 20200367371Abstract: The application discloses an electronic device including a motherboard and a housing structure. The motherboard has a first surface and a second surface. The housing structure includes a first casing, a first cushion, a second casing, and a second cushion. The first casing has at least one first fixing member. The first cushion covers the first surface, is accommodated in the first casing and has at least one first through hole. The second casing has at least one second fixing member. The second cushion covers the second surface, is accommodated in the second casing and has at least one second through hole. A peripheral edge of the first cushion is attached to a peripheral edge of the second cushion, and the first fixing member may be fixed to the second fixing member through the first through hole and the second through hole.Type: ApplicationFiled: April 6, 2020Publication date: November 19, 2020Inventors: Kuan-Ting LIN, Wen-Cheng TSAI, Jr-Hung HUANG, Danny SUN, Ho-Ching HUANG, Nien-Yu CHANG, Ming-Ke CHOU
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Patent number: 10796109Abstract: A card insertion structure suited for a portable electronic device is provided. The portable electronic device includes a housing. The card insertion structure includes a base disposed in the housing, a pressing member movably disposed on the base, and a plastic spring strip disposed on the base. A portion of the pressing member is exposed out of the housing. The plastic spring strip leans against the pressing member and the base. A force supplied via an insertion of an electronic card drives the pressing member to deform the plastic spring strip, and after the electronic card passing by the pressing member and being inserted into the card insertion structure between the base and the housing, the pressing member is released and is restored by resilience of the plastic spring strip, and the electronic card is fixed with the housing by the pressing member.Type: GrantFiled: January 31, 2019Date of Patent: October 6, 2020Assignee: PEGATRON CORPORATIONInventors: Guo-Long Guo, Ho-Ching Huang, Wen-Cheng Tsai
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Patent number: 10709027Abstract: A circuit board module for being assembled to a case is provided. The circuit board module includes an electronic connector and a circuit board. The electronic connector is fixed to the circuit board. The circuit board has at least one first slot. The at least one first slot is configured for a fixing element to pass through and for the circuit board to be assembled to a case. The size of the at least one first slot allows the fixing element to move in a direction parallel to a surface of the circuit board in the at least one first slot. An electronic device having the circuit board module is also provided.Type: GrantFiled: September 27, 2018Date of Patent: July 7, 2020Assignee: PEGATRON CORPORATIONInventors: Wen-Hsien Tsao, Ho-Ching Huang, Wen-Cheng Tsai
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Patent number: 10660246Abstract: An electromagnetic shielding assembly configured to be disposed on a circuit board with at least one electronic component includes a plurality of shielding housings. The shielding housings form a gap therebetween. Each of the shielding housings has a first opening adjoining the gap. The shielding housings are configured to accommodate part of the electronic component. The electronic component is configured to pass through the first openings of the shielding housings and the gap.Type: GrantFiled: November 1, 2019Date of Patent: May 19, 2020Assignee: PEGATRON CORPORATIONInventors: Mei-Hsueh Huang, Jr-Hung Huang, Wen-Cheng Tsai
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Publication number: 20200154615Abstract: An electromagnetic shielding assembly configured to be disposed on a circuit board with at least one electronic component includes a plurality of shielding housings. The shielding housings form a gap therebetween. Each of the shielding housings has a first opening adjoining the gap. The shielding housings are configured to accommodate part of the electronic component. The electronic component is configured to pass through the first openings of the shielding housings and the gap.Type: ApplicationFiled: November 1, 2019Publication date: May 14, 2020Inventors: Mei-Hsueh HUANG, Jr-Hung HUANG, Wen-Cheng TSAI
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Publication number: 20190251302Abstract: A card insertion structure suited for a portable electronic device is provided. The portable electronic device includes a housing. The card insertion structure includes a base disposed in the housing, a pressing member movably disposed on the base, and a plastic spring strip disposed on the base. A portion of the pressing member is exposed out of the housing. The plastic spring strip leans against the pressing member and the base. A force supplied via an insertion of an electronic card drives the pressing member to deform the plastic spring strip, and after the electronic card passing by the pressing member and being inserted into the card insertion structure between the base and the housing, the pressing member is released and is restored by resilience of the plastic spring strip, and the electronic card is fixed with the housing by the pressing member.Type: ApplicationFiled: January 31, 2019Publication date: August 15, 2019Applicant: PEGATRON CORPORATIONInventors: Guo-Long Guo, Ho-Ching Huang, Wen-Cheng Tsai
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Publication number: 20190179375Abstract: A casing structure including a first housing, a glue layer, and a second housing is provided. The first housing has a first inner edge. The glue layer is disposed at the first inner edge. The second housing has a second inner edge. The first housing is assembled to the second housing, and the first inner edge is aligned with the second inner edge. The glue layer abuts against the second inner edge so as to combine the first housing with the second housing. A gap formed between the glue layer and a part of the second inner edge is defined as a glue overflow buffer area.Type: ApplicationFiled: November 8, 2018Publication date: June 13, 2019Applicant: PEGATRON CORPORATIONInventors: Mei-Hsueh Huang, Ho-Ching Huang, Wen-Cheng Tsai
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Publication number: 20190159351Abstract: A circuit board module for being assembled to a case is provided. The circuit board module includes an electronic connector and a circuit board. The electronic connector is fixed to the circuit board. The circuit board has at least one first slot. The at least one first slot is configured for a fixing element to pass through and for the circuit board to be assembled to a case. The size of the at least one first slot allows the fixing element to move in a direction parallel to a surface of the circuit board in the at least one first slot. An electronic device having the circuit board module is also provided.Type: ApplicationFiled: September 27, 2018Publication date: May 23, 2019Applicant: PEGATRON CORPORATIONInventors: Wen-Hsien Tsao, Ho-Ching Huang, Wen-Cheng Tsai
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Patent number: 8913374Abstract: A protective cover includes a base, a first member, and a second member. The base includes a sliding portion in an axis direction of the base. The first member includes a first sliding slot and a first fixing portion. The first fixing portion is fixed on a casing of an electronic device. The first sliding slot cooperates with the sliding portion to make the first member slide on the base in the axis direction between a position the first member overlapping the base and a position the first member being stretched out from the base, so as to adjust a length of the protecting cover. The second member is disposed on the base and includes a second fixing portion. The second fixing portion is used for being fixed on the casing.Type: GrantFiled: November 1, 2012Date of Patent: December 16, 2014Assignee: Pegatron CorporationInventors: Hung-Yun Wu, Ho-Ching Huang, Wen-Cheng Tsai, I-Tien Hsieh
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Patent number: 8817462Abstract: An electronic device includes a body, an electronic module, and an elastic element, wherein the body has at least an accommodating space and a first connector. The electronic module is accommodated in the accommodating space and has a plurality of connection ports and a second connector electrically connected to the plurality of connection ports. The second connector is electrically connected to the first connector, and the plurality of connection ports is exposed on the outer surface of the body. The elastic element surrounds the junction between the first connector and the second connector, wherein the electronic module presses the elastic element against the body.Type: GrantFiled: July 24, 2012Date of Patent: August 26, 2014Assignee: Pegatron CorporationInventors: Wen-Cheng Tsai, Ho-Ching Huang, Mei-Hsueh Huang, Chi-Wei Yu
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Patent number: 8720752Abstract: A carrying assembly which may be detachably secured to a housing of an electronic device is disclosed. The carrying assembly includes a body and a positioning member. The body includes an opening and a first positioning portion positioned on a first surface of the body. The positioning member includes a second positioning portion and a top portion connected thereto. The second positioning portion detachably engages with the first positioning portion. The top portion protrudes from a second surface of the body through the opening, the second surface being opposite the first surface. When the top portion is pressed, the second positioning portion is separated from the first positioning portion, and a relative position between the body and the positioning member may be adjusted, thereby adjusting the length of the belt.Type: GrantFiled: January 13, 2012Date of Patent: May 13, 2014Assignee: Pegatron CorporationInventors: Jr-Hung Huang, Ho-Ching Huang, Wen-Cheng Tsai
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Publication number: 20130178103Abstract: A safety plug assembly has a plug head, two resilient conductive members, two conductive bodies and a plug base. The plug head is insulated and has a plug cavity and two holding recesses. The plug cavity is defined in the front side. The holding recesses are defined longitudinally in the bottom of the plug cavity. The resilient conductive members are mounted respectively in the holding recesses. The wires are connected respectively with the resilient conductive members. The conductive bodies are respectively mounted slidably in the holding recesses in the plug head and abut respectively with the resilient conductive members. At least one of the conductive bodies is a fuse. The plug base is insulated, is mounted detachably in the plug cavity and has two plug plates abutting respective with the conductive bodies.Type: ApplicationFiled: January 9, 2012Publication date: July 11, 2013Inventor: Wen-Cheng Tsai
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Publication number: 20130107435Abstract: A protective cover includes a base, a first member, and a second member. The base includes a sliding portion in an axis direction of the base. The first member includes a first sliding slot and a first fixing portion. The first fixing portion is fixed on a casing of an electronic device. The first sliding slot cooperates with the sliding portion to make the first member slide on the base in the axis direction between a position the first member overlapping the base and a position the first member being stretched out from the base, so as to adjust a length of the protecting cover. The second member is disposed on the base and includes a second fixing portion. The second fixing portion is used for being fixed on the casing.Type: ApplicationFiled: November 1, 2012Publication date: May 2, 2013Inventors: Hung-Yun Wu, Ho-Ching Huang, Wen-Cheng Tsai, I-Tien Hsieh
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Publication number: 20130027863Abstract: An electronic device includes a body, an electronic module, and an elastic element, wherein the body has at least an accommodating space and a first connector. The electronic module is accommodated in the accommodating space and has a plurality of connection ports and a second connector electrically connected to the plurality of connection ports. The second connector is electrically connected to the first connector, and the plurality of connection ports is exposed on the outer surface of the body. The elastic element surrounds the junction between the first connector and the second connector, wherein the electronic module presses the elastic element against the body.Type: ApplicationFiled: July 24, 2012Publication date: January 31, 2013Applicant: PEGATRON CORPORATIONInventors: Wen-Cheng Tsai, Ho-Ching Huang, Mei-Hsueh Huang, Chi-Wei Yu
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Publication number: 20120180263Abstract: A carrying assembly which may be detachably secured to a housing of an electronic device is disclosed. The carrying assembly includes a body and a positioning member. The body includes an opening and a first positioning portion positioned on a first surface of the body. The positioning member includes a second positioning portion and a top portion connected thereto. The second positioning portion detachably engages with the first positioning portion. The top portion protrudes from a second surface of the body through the opening, the second surface being opposite the first surface. When the top portion is pressed, the second positioning portion is separated from the first positioning portion, and a relative position between the body and the positioning member may be adjusted, thereby adjusting the length of the belt.Type: ApplicationFiled: January 13, 2012Publication date: July 19, 2012Applicant: PEGATRON CORPORATIONInventors: Jr-Hung HUANG, Ho-Ching HUANG, Wen-Cheng TSAI
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Patent number: 8191842Abstract: A fixing module and a case having the fixing module are provided. The case includes a plate having at least one first mounting hole, and a fixing module. The fixing module is used to fix an electronic device to the plate. The electronic device has at least one second mounting hole corresponding to the first mounting hole. The fixing module includes a base, a sliding member, and at least one resilient element. The base is mounted to the plate. The sliding member is movably disposed on the base. The resilient element located between the base and sliding member includes at least one pressing portion and at least one locking pin located on the pressing portion. When the sliding member is in a locking position, the sliding member presses the pressing portion such that the locking pin passes through the first mounting hole and inserts into the second mounting hole.Type: GrantFiled: March 31, 2009Date of Patent: June 5, 2012Assignee: ASUSTeK Computer Inc.Inventor: Wen-Cheng Tsai