Patents by Inventor Ta-Jen Yen
Ta-Jen Yen 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: 10520363Abstract: A Raman detecting chip for thin layer chromatography and a method for separating and detecting an analyte are provided. The Raman detecting chip for thin layer chromatography includes a silicon substrate. The silicon substrate includes a first portion, a second portion and a plurality of silicon nanowires disposed on the first portion, wherein each silicon nanowire has a top surface and a sidewall. A metal layer covers the top surface and at least a part of the sidewall of the silicon nanowire, wherein the silicon nanowire has a length L from 5 ?m to 15 ?m. The ratio between the length L1 of the side wall covered by the metal layer and the length L of the silicon nanowire is from 0.2 to 0.8.Type: GrantFiled: April 30, 2018Date of Patent: December 31, 2019Assignees: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE, NATIONAL TSING HUA UNIVERSITYInventors: Ding-Zheng Lin, Ta-Jen Yen, Bi-Shen Lee, Chih-Hao Huang
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Patent number: 10088424Abstract: A tapered optical needle includes a tapered light-transmissive needle and a surface plasmon wave transport layer. The tapered light-transmissive needle has a first tip, a bottom, and a curved surface connecting the first tip and the bottom. The surface plasmon wave transport layer is disposed on the curved surface and covers the first tip, wherein the surface plasmon wave transport layer has a curved slit structure. The curved slit structure includes a plurality of curved portions arranged from the first tip to an edge of the bottom and located between the first tip and the edge of the bottom, and extending directions of the curved portions are different to a direction from the first tip to the edge of the bottom.Type: GrantFiled: December 25, 2016Date of Patent: October 2, 2018Assignees: Industrial Technology Research Institute, National Tsing Hua UniversityInventors: Ruei-Han Jiang, Jen-You Chu, Ta-Jen Yen
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Publication number: 20180245981Abstract: A Raman detecting chip for thin layer chromatography and a method for separating and detecting an analyte are provided. The Raman detecting chip for thin layer chromatography includes a silicon substrate. The silicon substrate includes a first portion, a second portion and a plurality of silicon nanowires disposed on the first portion, wherein each silicon nanowire has a top surface and a sidewall. A metal layer covers the top surface and at least a part of the sidewall of the silicon nanowire, wherein the silicon nanowire has a length L from 5 ?m to 15 ?m. The ratio between the length L1 of the side wall covered by the metal layer and the length L of the silicon nanowire is from 0.2 to 0.8.Type: ApplicationFiled: April 30, 2018Publication date: August 30, 2018Applicants: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE, NATIONAL TSING HUA UNIVERSITYInventors: Ding-Zheng LIN, Ta-Jen YEN, Bi-Shen LEE, Chih-Hao HUANG
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Publication number: 20180210112Abstract: The invention provides a three-dimensional negative refraction structure and a manufacturing method thereof. The three-dimensional negative refraction structure includes at least one metal shell. The at least one metal shell is embedded in a substrate or disposed on the substrate. A shape of the at least one metal shell is a three-dimensional symmetrical shape.Type: ApplicationFiled: April 13, 2017Publication date: July 26, 2018Applicant: National Tsing Hua UniversityInventors: Ta-Jen Yen, Ting-Tso Yeh, Tsung-Yu Huang
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Patent number: 10012625Abstract: A Raman detecting chip for thin layer chromatography and a method for separating and detecting an analyte are provided. The Raman detecting chip for thin layer chromatography includes a silicon substrate. The silicon substrate includes a flat portion and a plurality of silicon nanowires disposed on the flat portion, wherein each silicon nanowire has a top surface and a sidewall. A metal layer covers the top surface and at least a part of the sidewall. The silicon nanowire has a length from 5 ?m to 15 ?m.Type: GrantFiled: December 29, 2016Date of Patent: July 3, 2018Assignees: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE, NATIONAL TSING HUA UNIVERSITYInventors: Ding-Zheng Lin, Ta-Jen Yen, Bu-Shen Lee, Chih-Hao Huang
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Publication number: 20180059025Abstract: A tapered optical needle includes a tapered light-transmissive needle and a surface plasmon wave transport layer. The tapered light-transmissive needle has a first tip, a bottom, and a curved surface connecting the first tip and the bottom. The surface plasmon wave transport layer is disposed on the curved surface and covers the first tip, wherein the surface plasmon wave transport layer has a curved slit structure. The curved slit structure includes a plurality of curved portions arranged from the first tip to an edge of the bottom and located between the first tip and the edge of the bottom, and extending directions of the curved portions are different to a direction from the first tip to the edge of the bottom.Type: ApplicationFiled: December 25, 2016Publication date: March 1, 2018Applicants: Industrial Technology Research Institute, National Tsing Hua UniversityInventors: Ruei-Han Jiang, Jen-You Chu, Ta-Jen Yen
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Publication number: 20170191938Abstract: A Raman detecting chip for thin layer chromatography and a method for separating and detecting an analyte are provided. The Raman detecting chip for thin layer chromatography includes a silicon substrate. The silicon substrate includes a flat portion and a plurality of silicon nanowires disposed on the flat portion, wherein each silicon nanowire has a top surface and a sidewall. A metal layer covers the top surface and at least a part of the sidewall. The silicon nanowire has a length from 5 ?m to 15 ?m.Type: ApplicationFiled: December 29, 2016Publication date: July 6, 2017Applicants: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE, NATIONAL TSING HUA UNIVERSITYInventors: Ding-Zheng LIN, Ta-Jen YEN, Bi-Shen LEE, Chih-Hao HUANG
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Patent number: 9680197Abstract: A micro bandpass filter comprises a substrate, a first signal transmission member, a second signal transmission member and a resonator structure. The resonator structure includes a plurality of microstrip lines. The present invention realizes the function of a bandpass filter in a smaller area via curving the first signal transmission member, the second signal transmission member and the resonator structure.Type: GrantFiled: September 22, 2015Date of Patent: June 13, 2017Assignee: NATIONAL TSING HUA UNIVERSITYInventors: Ta-Jen Yen, Ruei-han Jiang, Yu-Kai Wang, Tsung-Yu Huang
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Publication number: 20160336633Abstract: A micro bandpass filter comprises a substrate, a first signal transmission member, a second signal transmission member and a resonator structure. The resonator structure includes a plurality of microstrip lines. The present invention realizes the function of a bandpass filter in a smaller area via curving the first signal transmission member, the second signal transmission member and the resonator structure.Type: ApplicationFiled: September 22, 2015Publication date: November 17, 2016Inventors: Ta-Jen Yen, Ruei-han Jiang, Yu-Kai Wang, Tsung-Yu Huang
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Patent number: 9482784Abstract: The present invention is related to an imaging metamaterial, comprising at least one resonant unit with a controllable split structure that comprises at least one gap and at least one segment, wherein the segment is connected by a node or separated by the gap. The present invention also provides a method for preparing an imaging metamaterial. The present invention further provides an imaging apparatus.Type: GrantFiled: December 12, 2012Date of Patent: November 1, 2016Assignee: NATIONAL TSING HUA UNIVERSITYInventors: Ta-Jen Yen, Cheng-Kuang Chen, Yueh-Chun Lai
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Publication number: 20160161637Abstract: A transparent conducting electrode using a metamaterial high pass filter includes a substrate and a metal layer. The metal layer is disposed on a surface of the substrate and has a plurality of periodic patterns, wherein the plurality of periodic patterns are interconnected to form a metamaterial structure with subwavelength meshes, and a size of open area of the periodic pattern is smaller than the average wavelength of visible light. The abovementioned transparent conducting electrode using the metamaterial high pass filter has advantages of higher transmittance, conductivity and flexibility and lower process temperature.Type: ApplicationFiled: July 8, 2015Publication date: June 9, 2016Inventors: Ta-Jen YEN, Ting-Tso YEH, Dong-Sheng SU
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Publication number: 20160041093Abstract: A metamaterial is suitable for receiving a detecting wave. The detecting wave interacts with the metamaterial. The metamaterial includes a substrate and at least one unit cell placed on the substrate. The size of the unit cell is at least less than ? of the wavelength of the detecting wave. A biological and chemical detecting system using the metamaterial is also disclosed.Type: ApplicationFiled: January 21, 2015Publication date: February 11, 2016Inventors: Ta-Jen YEN, Cheng-Kuang CHEN, Chu-En LIN, Hui-Wen CHENG
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Patent number: 9225050Abstract: A wideband high frequency bandpass filter is disclosed, which includes an open-circuit resonator structure and a short-circuit resonator structure. The open-circuit resonator has a signal transmission strip line and a T-shaped strip line. Both ends of the signal transmission strip line are bent toward to opposite ends of the T-shaped strip line respectively, so as to form gaps in the open-circuit resonator. The open-circuit resonator structure and the short-circuit resonator structure are coupled under the resonant mode, thereby achieving a bandpass filtering at 60 GHz.Type: GrantFiled: March 15, 2013Date of Patent: December 29, 2015Assignee: NATIONAL TSING HUA UNIVERSITYInventors: Ta-Jen Yen, Ruei-Han Jiang, Tsung-Yu Huang, Ai-Ping Yen
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Patent number: 8836451Abstract: A wideband high frequency bandpass filter uses a metamaterial transmission line composed of an open-circuit resonator and a short-circuit resonator to realize a bandpass filter at the band of 60 GHz. The bandpass filter has an ultra-wide passband resulting from the coupling of the two resonators in the resonant modes thereof. The ultra wide passband formed by resonance coupling includes a left-handed passband and a right-handed passband. The two passbands jointly provides a passband ranging from 57.4 GHz to 63.6 GHz and having a bandwidth of 6.2 GHz. The stopbands of the bandpass filter are respectively extended downward from 57.4 GHz to the DC current and extended upward from 63.6 GHz to 109.4 GHz. The bandpass filter of the present invention can be applied to wireless transmission at the band of 60 GHz.Type: GrantFiled: May 6, 2011Date of Patent: September 16, 2014Assignee: National Tsing Hua UniversityInventors: Ta-Jen Yen, Ai-Ping Yen
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Publication number: 20140191827Abstract: A wideband high frequency bandpass filter is disclosed, which includes an open-circuit resonator structure and a short-circuit resonator structure. The open-circuit resonator has a signal transmission strip line and a T-shaped strip line. Both ends of the signal transmission strip line are bent toward to opposite ends of the T-shaped strip line respectively, so as to form gaps in the open-circuit resonator. The open-circuit resonator structure and the short-circuit resonator structure are coupled under the resonant mode, thereby achieving a bandpass filtering at 60 GHz.Type: ApplicationFiled: March 15, 2013Publication date: July 10, 2014Applicant: NATIONAL TSING HUA UNIVERSITYInventors: Ta-Jen Yen, Ruei-Han Jiang, Tsung-Yu Huang, Ai-Ping Yen
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Publication number: 20140131559Abstract: The present invention is related to an imaging metamaterial, comprising at least one resonant unit with a controllable split structure that comprises at least one gap and at least one segment, wherein the segment is connected by a node or separated by the gap. The present invention also provides a method for preparing an imaging metamaterial. The present invention further provides an imaging apparatus.Type: ApplicationFiled: December 12, 2012Publication date: May 15, 2014Applicant: NATIONAL TSING HUA UNIVERSITYInventors: Ta-Jen Yen, Cheng-Kuang Chen, Yueh-Chun Lai
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Publication number: 20120139666Abstract: A wideband high frequency bandpass filter uses a metamaterial transmission line composed of an open-circuit resonator and a short-circuit resonator to realize a bandpass filter at the band of 60 GHz. The bandpass filter has an ultra-wide passband resulting from the coupling of the two resonators in the resonant modes thereof. The ultra wide passband formed by resonance coupling includes a left-handed passband and a right-handed passband. The two passbands jointly provides a passband ranging from 57.4 GHz to 63.6 GHz and having a bandwidth of 6.2 GHz. The stopbands of the bandpass filter are respectively extended downward from 57.4 GHz to the DC current and extended upward from 63.6 GHz to 109.4 GHz. The bandpass filter of the present invention can be applied to wireless transmission at the band of 60 GHz.Type: ApplicationFiled: May 6, 2011Publication date: June 7, 2012Inventors: Ta-Jen YEN, Ai-Ping Yen
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Patent number: 8149181Abstract: A dielectric resonator for a negative refractivity medium, which is coupled to a plurality of substrates, comprises at least one crystal unit, at least one first crystal cube and at least one second crystal cube. The crystal units are arrayed on the substrate. On an identical substrate, each crystal unit has a first spacing with respect to one adjacent crystal unit and a second spacing with respect to another adjacent crystal unit. The first spacing is vertical to the second spacing. Each crystal unit has one first crystal cube and one second crystal cube. A third spacing exists between the first and second crystal cubes. The first and second crystal cubes have a permittivity greater than 20. The present invention adopts the negative refractivity medium to achieve lower dielectric loss. Further, the present invention features isotropy and has low fabrication cost and high industrial utility.Type: GrantFiled: September 2, 2009Date of Patent: April 3, 2012Assignee: National Tsing Hua UniversityInventors: Ta-Jen Yen, Yue-Jun Lai, Cheng-Kuang Chen
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Publication number: 20110304413Abstract: A high frequency filter with a wider bandwidth is proposed based on an electromagnetic wave interacted with metamaterial following a left-handed rule and an electromagnetic wave interacted with traditional material following a right-handed rule, and the high frequency filter includes a plurality of filter units arranged in an array and disposed on the same plane, and each filter unit includes a first metal layer, a second metal layer and a dielectric layer, and the first metal layer and the second metal layer are stacked on two opposite sides of the dielectric layer respectively, and the filter is applicable to filtering wave with a frequency of 60 GHz.Type: ApplicationFiled: October 28, 2010Publication date: December 15, 2011Inventors: Ta-Jen Yen, Tsung-Yu Huang
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Publication number: 20110085172Abstract: A visualized plasmon resonance biodetector utilizes the surface plasmon resonance to detect a plurality of biochemical molecules, and comprises a substrate, a silver-gold dual-layer structure, and a visible light source. The silver-gold dual-layer structure is formed on the substrate and has an optical grating structure on one side far away from the substrate. In a test, the biochemical molecule combines with the silver-gold dual-layer structure, and the visible light source emits a visible light to illuminate the substrate. Then the silver-gold dual-layer structure on the substrate generates surface plasmon resonance and a reflected light. The user can use his naked eyes to discriminate the reflected lights and learn the component and concentration of the biochemical molecule. Therefore, the biodetector can provide a low-cost and easy-to-operate detection instrument for biotests.Type: ApplicationFiled: December 16, 2010Publication date: April 14, 2011Inventors: Ta-Jen YEN, Hsin-Yun Chang, Chung-Tien Li