Patents by Inventor Li Chi Chang
Li Chi 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: 12237437Abstract: A light-emitting package, includes: a housing including an opening; a lead frame covered by the housing; a light-emitting device, mounted in the opening and electrically connected to the lead frame, the light-emitting device including: a substrate including: a base with a main surface; and a plurality of protrusions on the main surface, wherein the protrusion and the base include different materials; a semiconductor stack on the main surface, the semiconductor stack including a side wall, and wherein an included angle between the side wall and the main surface is an obtuse angle; wherein the main surface includes a peripheral area not covered by the semiconductor stack, and the peripheral area is devoid of the protrusion formed thereon; and a filling material filling in the opening and covering the light-emitting device.Type: GrantFiled: February 17, 2022Date of Patent: February 25, 2025Assignee: EPISTAR CORPORATIONInventors: Li-Ming Chang, Tzung-Shiun Yeh, Chien-Fu Shen, Wen-Hsiang Lin, Pei-Chi Chiang, Yi-Wen Ku
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Patent number: 12224325Abstract: A method includes forming a dummy gate structure over a substrate; forming a source/drain structure over the substrate; replacing the dummy gate structure with a metal gate structure; forming a protection cap over the metal gate structure; forming a source/drain contact over the source/drain structure; performing a selective deposition process to form a first etch stop layer on the protection cap, in which the selective deposition process has a faster deposition rate on the protection cap than on the source/drain contact; depositing a second etch stop layer over the first etch stop layer the source/drain contact; etching the second etch stop layer to form an opening; and forming a via contact in the opening.Type: GrantFiled: July 14, 2023Date of Patent: February 11, 2025Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.Inventors: Li-Zhen Yu, Chia-Hao Chang, Cheng-Chi Chuang, Yu-Ming Lin, Chih-Hao Wang
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Patent number: 12205896Abstract: Semiconductor devices and methods of forming the same are provided. In one embodiment, a semiconductor device includes an active region including a channel region and a source/drain region and extending along a first direction, and a source/drain contact structure over the source/drain region. The source/drain contact structure includes a base portion extending lengthwise along a second direction perpendicular to the first direction, and a via portion over the base portion. The via portion tapers away from the base portion.Type: GrantFiled: July 28, 2023Date of Patent: January 21, 2025Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.Inventors: Lin-Yu Huang, Li-Zhen Yu, Chia-Hao Chang, Cheng-Chi Chuang, Kuan-Lun Cheng, Chih-Hao Wang
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Publication number: 20250019754Abstract: A method for detecting multiple targets in the same sample includes the following steps. A sample is provided, and the sample includes a nucleic acid of at least one target. A reaction solution is provided, which includes target primer pairs and target fluorescent probes. The target fluorescent probes include at least two fluorophores. After mixing the sample and the reaction solution, a real-time polymerase chain reaction is performed. A fluorescence signal value ratio of the at least two fluorophores is calculated to determine whether the at least one target is present in the sample.Type: ApplicationFiled: July 11, 2024Publication date: January 16, 2025Inventors: Ching-Wei TSAI, Yih-Jyh SHANN, Szu-Yu LIU, Li-Chi CHANG
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Patent number: 10662413Abstract: A composition comprising a recombinant DNA polymerase and 3?-esterified nucleotide analogues is provided. The recombinant DNA polymerase includes an amino acid sequence that is at least 90% homology with 9° N DNA polymerase (SEQ ID NO: 1), and the recombinant DNA polymerase includes at least two mutations at the positions corresponding to amino acid residues 141 and 143 of the 9° N DNA polymerase. A recombinant DNA polymerase is further provided. The recombinant DNA polymerase includes an amino acid sequence that is at least 90% homology with 9° N-III DNA polymerase (SEQ ID NO: 3), and the recombinant DNA polymerase includes one or two mutations at the positions corresponding to amino acid residue 480 and 486 of the 9° N-III DNA polymerase. A method of performing a polymerization reaction is also provided.Type: GrantFiled: October 31, 2017Date of Patent: May 26, 2020Assignee: PERSONAL GENOMICS, INC.Inventors: Shiuan-Woei Lin Wu, Ching-Wei Tsai, Ting-Yueh Tsai, Jyun-Yuan Huang, Chao-Chi Pan, Li-Chi Chang, Ching-Long Hwong
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Patent number: 10068040Abstract: Methods and apparatus for recording and visualizing transactions of a test bench simulation are disclosed. Transaction-specific data generated from a test bench simulation may be displayed in a sequence diagram view to provide a view of the transactions arranged sequentially in time.Type: GrantFiled: July 2, 2015Date of Patent: September 4, 2018Assignee: SYNOPSYS, INC.Inventors: Yung Chuan Chen, I-Liang Lin, Li-Chi Chang, Bindesh Patel
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Publication number: 20180119115Abstract: A composition comprising a recombinant DNA polymerase and 3?-esterified nucleotide analogues is provided. The recombinant DNA polymerase includes an amino acid sequence that is at least 90% homology with 9° N DNA polymerase (SEQ ID NO: 1), and the recombinant DNA polymerase includes at least two mutations at the positions corresponding to amino acid residues 141 and 143 of the 9° N DNA polymerase. A recombinant DNA polymerase is further provided. The recombinant DNA polymerase includes an amino acid sequence that is at least 90% homology with 9° N-III DNA polymerase (SEQ ID NO: 3), and the recombinant DNA polymerase includes one or two mutations at the positions corresponding to amino acid residue 480 and 486 of the 9° N-III DNA polymerase. A method of performing a polymerization reaction is also provided.Type: ApplicationFiled: October 31, 2017Publication date: May 3, 2018Inventors: Shiuan-Woei LIN WU, Ching-Wei TSAI, Ting-Yueh TSAI, Jyun-Yuan HUANG, Chao-Chi PAN, Li-Chi CHANG, Ching-Long HWONG
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Publication number: 20170179767Abstract: A coil assembly and a wireless power transmission system are provided. The coil assembly includes a first coil and a second coil. The first coil is disposed on a first plane. The second coil is disposed on a second plane. The second coil is coupled to the first coil. The second coil includes a plurality of bending section, and the bending sections are connected by a plurality of connection lines to form a single loop.Type: ApplicationFiled: October 6, 2016Publication date: June 22, 2017Applicant: Industrial Technology Research InstituteInventors: Li-Chi Chang, Meng-Sheng Chen, Hsun Yu
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Publication number: 20160110484Abstract: Methods and apparatus for recording and visualizing transactions of a test bench simulation are disclosed. Transaction-specific data generated from a test bench simulation may be displayed in a sequence diagram view to provide a view of the transactions arranged sequentially in time.Type: ApplicationFiled: July 2, 2015Publication date: April 21, 2016Inventors: Yung Chuan CHEN, I-Liang LIN, Li-Chi CHANG, Bindesh PATEL
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Patent number: 9081924Abstract: Methods and apparatus for recording and visualizing transactions of a test bench simulation are disclosed. Transaction-specific data generated from a test bench simulation may be displayed in a sequence diagram view to provide a view of the transactions arranged sequentially in time.Type: GrantFiled: March 14, 2011Date of Patent: July 14, 2015Assignees: Synopsys, Inc., Synopsys Taiwan Co., Ltd.Inventors: Yung Chuan Chen, I-Liang Lin, Li-Chi Chang, Bindesh Patel
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Patent number: 8783579Abstract: An RFID sealing device for a bottle is disclosed, which provides information of production resumes, stock control, sale control and so like, where the information may be adapted for a computerized foods management system for the upstream manufacturer and the downstream sellers. Since the metal cap plays a part in the RFID sealing device, the RFID shall malfunction once the bottle cap has been turned or opened before sale, so that the present RFID sealing device plays a function of safety identifier to the bottled liquid or food in addition.Type: GrantFiled: July 4, 2012Date of Patent: July 22, 2014Assignee: Industrial Technology Research InstituteInventors: Li-Chi Chang, Yung-Chung Chang, Chang-Chih Liu, Cheng-Hua Tsai, Meng-Sheng Chen
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Patent number: 8686821Abstract: An inductor structure including a plurality of solenoids and at least one connecting line is provided. One of the solenoids serves as a core, and the remaining solenoids are sequentially wound around the core solenoid. Axes of the solenoids are substantially directed to the same direction. Each connecting line is correspondingly connected between ends of two adjacent solenoids to serially connect the solenoids.Type: GrantFiled: June 19, 2012Date of Patent: April 1, 2014Assignee: Industrial Technology Research InstituteInventors: Yung-Chung Chang, Meng-Sheng Chen, Chang-Chih Liu, Li-Chi Chang, Cheng-Hua Tsai
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Publication number: 20140008443Abstract: An RFID sealing device for a bottle is disclosed, which provides information of production resumes, stock control, sale control and so like, where the information may be adapted for a computerized foods management system for the upstream manufacturer and the downstream sellers. Since the metal cap plays a part in the RFID sealing device, the RFID shall malfunction once the bottle cap has been turned or opened before sale, so that the present RFID sealing device plays a function of safety identifier to the bottled liquid or food in addition.Type: ApplicationFiled: July 4, 2012Publication date: January 9, 2014Applicant: Industrial Technology Research InstituteInventors: Li-Chi Chang, Yung-Chung Chang, Chang-Chih Liu, Cheng-Hua Tsai, Meng-Sheng Chen
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Patent number: 8610626Abstract: An antenna having a signal feeding structure, an antenna conductor coupled to the signal feeding structure and forming a slot in the antenna conductor. A closing portion capacitively closing the at least one slot at a mechanically open end of the slot.Type: GrantFiled: December 9, 2010Date of Patent: December 17, 2013Assignee: Industrial Technology Research InstituteInventors: Li-Chi Chang, Yung-Chung Chang, Meng-Sheng Chen, Chang-Chih Liu, Chang-Sheng Chen
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Patent number: 8573495Abstract: A radio frequency identification electronic device with enhancing surface wave-guide effect includes a host or a programmable single IC, an identification transmitting/receiving device electrically connected to the host or the programmable single IC for generating a current, and an enhancing surface wave-guide coaxial cable structure. The enhancing surface wave-guide coaxial cable structure comprises a coaxial cable having at least one breach region without an outer conducting layer and a matching resistor, wherein the current builds up an electromagnetic (EM) wave while flowing through the at least one breach region, and the EM wave is transmitted along the outer conducting layer of the coaxial cable until to the matching resistor. Moreover, an electromagnetic field can be built up while the current flows through the at least one breach region, and a RFID electronic tag attached to an object can be automatically triggered by the electromagnetic field.Type: GrantFiled: July 30, 2012Date of Patent: November 5, 2013Inventors: Tai-Hwa Liu, Yi-Chun Sung, Cheng-Lun Yin, Li-Chi Chang
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Publication number: 20130187743Abstract: An inductor structure including a plurality of solenoids and at least one connecting line is provided. One of the solenoids serves as a core, and the remaining solenoids are sequentially wound around the core solenoid. Axes of the solenoids are substantially directed to the same direction. Each connecting line is correspondingly connected between ends of two adjacent solenoids to serially connect the solenoids.Type: ApplicationFiled: June 19, 2012Publication date: July 25, 2013Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Yung-Chung Chang, Meng-Sheng Chen, Chang-Chih Liu, Li-Chi Chang, Cheng-Hua Tsai
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Patent number: 8339233Abstract: A three-dimensional inductor is provided. The three-dimensional inductor is disposed in a multi-layered substrate. The multi-layered substrate includes at least a dielectric layer and at least two metal layers. The three-dimensional inductor includes a first coil and a second coil. The second coil is electrically connected to the first coil. The first coil is on a first plane and formed on a first metal layer. The second coil is on a second plane and disposed in a variety of dielectric layers and metal layer. The first plane is not parallel to or is vertical to the second plane such that the magnetic field generated by the first coil and the magnetic field generated by the second coil are not parallel to each other or are vertical to each other.Type: GrantFiled: May 18, 2011Date of Patent: December 25, 2012Assignee: Industrial Technology Research InstituteInventors: Cheng-Hua Tsai, Chang-Sheng Chen, Chang-Chih Liu, Li-Chi Chang, Yung-Chung Chang
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Patent number: 8319610Abstract: Radio-frequency identification (RFID) tag antenna, tags and communications systems using the same are presented. The RFID tag antenna includes a patterned conductive loop having a plurality of longitudinal conductive sections and a pair of transverse conductive sections connecting to each end of the longitudinal conductive sections to serve as a matching network. A pair of extended conductive arms is electrically connected to the patterned conductive loop via two nodes. A bonding pad with an RFID chip disposed thereon is arranged at the central area of the pair of extended conductive arms.Type: GrantFiled: August 4, 2009Date of Patent: November 27, 2012Assignee: Industrial Technology Research InstituteInventors: Li-Chi Chang, Meng Sheng Chen, Kuo-Chiang Chin, Chang-Sheng Chen, Cheng-Hua Tsai, Wei-Ting Chen
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Publication number: 20120146853Abstract: An antenna having a signal feeding structure, an antenna conductor coupled to the signal feeding structure and forming a slot in the antenna conductor. A closing portion capacitively closing the at least one slot at a mechanically open end of the slot.Type: ApplicationFiled: December 9, 2010Publication date: June 14, 2012Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Li-Chi CHANG, Yung-Chung CHANG, Meng-Sheng CHEN, Chang-Chih LIU, Chang-Sheng CHEN
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Publication number: 20120146757Abstract: A three-dimensional inductor is provided. The three-dimensional inductor is disposed in a multi-layered substrate. The multi-layered substrate includes at least a dielectric layer and at least two metal layers. The three-dimensional inductor includes a first coil and a second coil. The second coil is electrically connected to the first coil. The first coil is on a first plane and formed on a first metal layer. The second coil is on a second plane and disposed in a variety of dielectric layers and metal layer. The first plane is not parallel to or is vertical to the second plane such that the magnetic field generated by the first coil and the magnetic field generated by the second coil are not parallel to each other or are vertical to each other.Type: ApplicationFiled: May 18, 2011Publication date: June 14, 2012Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Cheng-Hua Tsai, Chang-Sheng Chen, Chang-Chih Liu, Li-Chi Chang, Yung-Chung Chang