Patents by Inventor Hsin-Fei Meng
Hsin-Fei Meng 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: 8258554Abstract: A pressure detector is disclosed having an organic transistor, a pressure-detecting layer and a first electrode. The organic transistor includes an emitter, an organic layer, a grid formed with holes, and a collector, the organic layer being sandwiched between the emitter and the collector. The pressure-detecting layer is formed on the organic transistor such that the collector is sandwiched between the organic layer and the pressure-detecting layer. The first electrode is formed on the pressure-detecting layer such that the pressure-detecting layer is sandwiched between the collector and the first electrode. The area of the active region of the pressure detector is determined by the overlapped area of the electrodes, thereby reducing the pitch of the electrodes and thus the size of the pressure detector.Type: GrantFiled: May 24, 2010Date of Patent: September 4, 2012Assignee: National Chiao Tung UniversityInventors: Hsin- Fei Meng, Sheng-Fu Horng, Yu-Chiang Chao, Chun-Yu Chen, Wei-Jen Lai
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Patent number: 8217670Abstract: The invention provides a label-free sensor that includes a substrate, a first electrode formed on the substrate, a second electrode formed on the substrate and spaced away from the first electrode, and a semiconductor layer formed on the substrate and being in contact with the first electrode and the second electrode. The semiconductor layer has a plurality of probe groups bonded to the semiconductor layer by functionalization, for sensing a coupling-specific substance having bonding specificity with the probe groups. The semiconductor layer is bonded with the probe groups, and the detection of detected object is performed in an instant, quick, rapid, and sensitive manner by measuring variation in electric current, avoiding the use of fluorescent reading equipment for reading fluorescent signals.Type: GrantFiled: July 10, 2009Date of Patent: July 10, 2012Assignee: National Chiao Tung UniversityInventors: Hsin-Fei Meng, Sheng-Fu Hong, Yu-Chiang Chao, Chien-Cheng Liu, Wen-Hsing Liu, Cheng-Chung Chang, Jan-Hao Li, Ming-Zhi Dai
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Publication number: 20120086431Abstract: The present invention provides a vertical type sensor, including a substrate; a first electrode formed on the substrate; a sensing layer formed on the first electrode layer and reactive to a target substance, wherein the first electrode layer is interposed between the substrate and the sensing layer; and a second electrode layer formed on the sensing layer and having a plurality of openings, wherein the sensing layer is interposed between the first electrode layer and the second electrode layer, and the target substance contacts the sensing layer via the plurality of openings. The vertical type sensor of the present invention provides instant, sensitive and rapid detection.Type: ApplicationFiled: January 19, 2011Publication date: April 12, 2012Applicant: NATIONAL CHIAO TUNG UNIVERSITYInventors: Hsiao-Wen Zan, Hsin-Fei Meng, Ming-Zhi Dai, Yu-Chiang Chao
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Publication number: 20120018719Abstract: A phototransistor includes a substrate, a gate layer, a dielectric layer, an active layer, a source and a drain, and a light absorption layer. The gate layer is disposed on a top of the substrate, and the dielectric layer is disposed on a top of the gate layer. The active layer has a first bandgap and is disposed on a top of the dielectric layer, and the source and the drain are disposed on a top of the active layer. The light absorption layer has a second bandgap and is capped on the active layer, and the second bandgap is smaller than the first bandgap.Type: ApplicationFiled: February 15, 2011Publication date: January 26, 2012Applicant: NATIONAL CHIAO TUNG UNIVERSITYInventors: HSIAO-WEN ZAN, HSIN-FEI MENG, CHUANG-CHUANG TSAI, WEI-TSUNG CHEN, YU-CHIANG CHAO
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Publication number: 20110320145Abstract: The present invention discloses a method for extracting of solar cell parameters. After illuminating the solar cell by different simulated solar luminosity with different illumination intensity, measured current and measured voltages of the solar cell are acquired and the series resistance of the solar cell is extracted based on the measured current and measured voltages. The root mean square error (RMSE) is used to determine the series resistance of the solar cell. Therefore, the parameters of the solar cell are extracted without presuming current-voltage functional form.Type: ApplicationFiled: June 22, 2011Publication date: December 29, 2011Inventors: Sheng-Fu Horng, Ming-Kun Lee, Jen-Chun Wang, Hsin-Fei Meng
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Publication number: 20110284949Abstract: A vertical transistor and a method of fabricating the vertical transistor are provided. The vertical transistor has a substrate, a first electrode formed on the substrate, a first insulation layer formed on the first electrode, with a portion of the first electrode exposed from the first insulation layer and having a thickness greater than 50 nm and no more than 300 nm, a grid electrode formed on the first insulation layer, a semiconductor layer formed on the first electrode, and a second electrode formed on the semiconductor layer.Type: ApplicationFiled: May 24, 2010Publication date: November 24, 2011Applicant: National Chiao Tung UniversityInventors: Hsin-Fei Meng, Hsiao-Wen Zan, Yu-Chiang Chao
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Publication number: 20110237019Abstract: The present invention discloses a method for improving the efficiency of flexible organic solar cells. The steps of the method comprise: a conductive film-coated flexible substrate is provided; and a hole blocking layer is formed on the flexible substrate by atomic layer deposition, or an active layer is formed first then a hole blocking layer is formed on the active layer by atomic layer deposition. Atomic layer deposition can control the thickness of the hole blocking layer precisely and form uniformly surface in a large area, so that the power conversion efficiency of the flexible organic solar cell is increasing effectively.Type: ApplicationFiled: December 13, 2010Publication date: September 29, 2011Inventors: Sheng-Fu HORNG, Jen-Chun Wang, Wei-Tse Weng, Tsong-Pyng Perng, Hsin-Fei Meng, Ming-Kun Lee
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Patent number: 8026186Abstract: The present invention provides a microwave annealing method for a plastic substrate. The method comprises pulsed microwave annealing to an organic photo-voltaic device to avoid warpage and degradation of the plastic substrate. Utilizing pulsed microwave annealing method can improve the wettability of the organic layer on the plastic substrate verified by contact angle measurement, and achieving the organic solar cell fabricated with higher power conversion efficiency.Type: GrantFiled: October 6, 2010Date of Patent: September 27, 2011Assignee: National Tsing Hua UniversityInventors: Sheng-Fu Horng, Jen-Chun Wang, Tse-Pan Yang, Ming-Kun Lee, Tarng-Shiang Hu, Hsin-Fei Meng
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Patent number: 8017175Abstract: A highly stable, multilayer organic molecular photoelectric element without interlayer miscibility phenomenon during manufacturing process, and a method for producing multilayer organic molecular photoelectric elements with simplified solution process are disclosed.Type: GrantFiled: December 20, 2005Date of Patent: September 13, 2011Assignee: National Chiao Tung UniversityInventors: Hsin-Fei Meng, Sheng-Fu Horng, Chain-Shu Hsu, Shi-Cheng Lin, Hua-Hsien Liao
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Publication number: 20110163300Abstract: The present invention provides compound of formula (I) wherein each substituent is defined in the specification. The compound may be used, in combination with other organic light-emitting materials, in a light-emitting layer of an organic light-emitting element. The present invention also provides an organic light-emitting element including a first electrode, a second electrode and at least three layers of organic material layers disposed between the first electrode and the second electrode, wherein the layer used as a light-emitting layer contains a compound of formula (I). Further, an all-solution process, which is used for fabricating the organic light-emitting element of the present invention, has the advantages such as avoiding miscibility among the layers to fabricate an element with a large surface area and lower production cost.Type: ApplicationFiled: July 2, 2010Publication date: July 7, 2011Applicants: NATIONAL CHIAO TUNG UNIVERSITY, LUMINESCENCE TECHNOLOGY CORP.Inventors: Hsin-Fei Meng, Sheng-Fu Horng, Hsin-Rong Tseng, Chia-Da Yu, Chung-Lin Yeh, Sheng-Yang Huang, Feng-Wen Yen, I-Feng Lin
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Patent number: 7973308Abstract: An organic-semiconductor-based infrared receiving device comprises an electrode layer having a positive layer and a negative layer to form an electric field, and a transport layer located between the positive and negative layers and having a first and a second predetermined material combined in a predetermined ratio. The energy of infrared light from a light source is received at an interface between the first and second materials. The thickness of the transport layer can be increased to enhance the light absorbance in the infrared light range to form electron-hole pairs, which are then parted to form a plurality of electrons and holes driven by the electric field to move to the negative layer and the positive layer, respectively, so that a predetermined photocurrent is generated.Type: GrantFiled: April 24, 2009Date of Patent: July 5, 2011Assignee: National Chiao Tung UniversityInventors: Hsin-Fei Meng, Sheng-Fu Horng, Chia-Ming Yang
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Publication number: 20110159171Abstract: A method for fabricating an organic light emitting diode and a device thereof are provided. The method includes: providing a substrate; dispensing to the substrate a second organic molecule solution resulting from dissolving a second organic molecule in a solvent; applying the second organic molecule solution to a surface of the substrate so as to form a wet film layer; and heating the wet film layer by a heating unit to remove the solvent therefrom and thereby form a second organic molecule film. The method is effective in fabricating a uniform multilayer structure for use in fabrication of large-area photoelectric components.Type: ApplicationFiled: June 23, 2010Publication date: June 30, 2011Applicant: National Chiao Tung UniversityInventors: Chain-Shu Hsu, Hsin-Fei Meng, Sheng-Fu Horng, Hsiao-Wen Zan, Hsin-Rong Tseng, Chung-Ling Yeh, Hung-Wei Hsu, Chang-Yao Liu, Hsiu-Yuan Yang
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Patent number: 7968875Abstract: An organic photosensitive optoelectronic device includes an anode, an organic photosensitive layer formed on the anode and having a donor portion and an acceptor portion, a hole blocking layer formed on the organic photosensitive layer so as for the organic photosensitive layer to be sandwiched between the anode and the hole blocking layer, and a cathode formed on the hole blocking layer so as for the hole blocking layer to be sandwiched between the cathode and the organic photosensitive layer. The highest occupied molecular orbitals (HOMO) of the hole blocking layer is at least 0.3 eV higher than that of the donor portion. Therefore, the optoelectronic device efficiently suppresses dark current so as to enhance sensitivity when applied to a detector.Type: GrantFiled: July 10, 2009Date of Patent: June 28, 2011Assignee: National Chiao Tung UniversityInventors: Hsin-Fei Meng, Sheng-Fu Hong, Hsin-Rong Tseng, En-Chen Chen, Chia-Hung Chu
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Patent number: 7955915Abstract: The present invention discloses an organic field effect transistor and a manufacturing method thereof. The organic field effect transistor comprises a top-contact type or a bottom-contact type, and the manufacturing method thereof comprises the following steps: a substrate is provided, a metal gate is formed on the substrate, an inorganic insulating layer is formed on the substrate and the metal gate, a surface of the insulating layer is polished, an organic filler is filled in pores on the insulating layer as an insulating treatment, a modified layer is formed on the inorganic insulating layer, and finally an organic semiconductor layer, a source and a drain are formed. By combining the advantages of simply liquefied process of the organic material and the high stability of inorganic material, and operation conditions of control process, the present invention can achieve effectively that the device is high carrier mobility and high on/off ratio.Type: GrantFiled: July 29, 2009Date of Patent: June 7, 2011Assignee: National Tsing Hua UniversityInventors: Chien-Cheng Liu, Hsin-Fei Meng, Sheng-Fu Horng
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Publication number: 20110108936Abstract: A pressure detector is disclosed having an organic transistor, a pressure-detecting layer and a first electrode. The organic transistor includes an emitter, an organic layer, a grid formed with holes, and a collector, the organic layer being sandwiched between the emitter and the collector. The pressure-detecting layer is formed on the organic transistor such that the collector is sandwiched between the organic layer and the pressure-detecting layer. The first electrode is formed on the pressure-detecting layer such that the pressure-detecting layer is sandwiched between the collector and the first electrode. The area of the active region of the pressure detector is determined by the overlapped area of the electrodes, thereby reducing the pitch of the electrodes and thus the size of the pressure detector.Type: ApplicationFiled: May 24, 2010Publication date: May 12, 2011Applicant: NATIONAL CHIAO TUNG UNIVERSITYInventors: Hsin- Fei Meng, Sheng-Fu Horng, Yu-Chiang Chao, Chun-Yu Chen, Wei-Jen Lai
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Publication number: 20110100465Abstract: The present invention provides an organic solar cell with oriented distribution of carriers, which forming variation of distribution of electron donors and electron acceptors between active sub-layers of an active layer by utilizing buffer layer method, for improving carrier extraction efficiency and thus effectively enhancing performance of the organic solar. The present invention also provides a method for manufacturing an organic solar cell with oriented distribution of carriers.Type: ApplicationFiled: March 31, 2010Publication date: May 5, 2011Inventors: Sheng-Fu Horng, Hsin-Fei Meng, Ming-Kun Lee, Jen-Chun Wang, Tsung-Hang Kuo
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Publication number: 20100291703Abstract: A biosensor applicable to an environment suitable for biosensing is provided, which is a solid-state element for performing detections in an aqueous environment. The biosensor at least includes a biosensing layer, a light-emitting diode and a photodiode. The biosensing layer causes changes in the light-emitting property thereof after absorbing, adsorbing and/or bonding with a biological substance released during in vivo signal transduction in an organism, and the rays of light generated by excitation of the light-emitting diode causes the biosensing layer to emit fluorescence. After the fluorescence is absorbed by the photodiode, it can be converted into an interpretable photocurrent signal. Afterwards, the meaning of the in vivo signal transduction can be understood by interpretation of the photocurrent signal.Type: ApplicationFiled: May 7, 2010Publication date: November 18, 2010Applicant: NATIONAL CHIAO TUNG UNIVERSITYInventors: Hsin- Fei Meng, Sheng-Fu Hong, Yu-Chiang Chao, Yun-Ru Horng, Pei-Yu Tsai, Chia-Ming Yang
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Publication number: 20100283039Abstract: An organic photosensitive optoelectronic device includes an anode, an organic photosensitive layer formed on the anode and having a donor portion and an acceptor portion, a hole blocking layer formed on the organic photosensitive layer so as for the organic photosensitive layer to be sandwiched between the anode and the hole blocking layer, and a cathode formed on the hole blocking layer so as for the hole blocking layer to be sandwiched between the cathode and the organic photosensitive layer. The highest occupied molecular orbitals (HOMO) of the hole blocking layer is at least 0.3 eV higher than that of the donor portion. Therefore, the optoelectronic device efficiently suppresses dark current so as to enhance sensitivity when applied to a detector.Type: ApplicationFiled: July 10, 2009Publication date: November 11, 2010Applicant: NATIONAL CHIAO TUNG UNIVERSITYInventors: Hsin- Fei Meng, Sheng-Fu Hong, Hsin-Rong Tseng, En-Chen Chen, Chia-Hung Chu
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Publication number: 20100237885Abstract: A label-free sensor is disclosed. The label-free sensor comprises a substrate, a first electrode formed on the substrate, a second electrode formed on the substrate and spaced away from the first electrode, and a semiconductor layer formed on the substrate and is in contact with the first electrode and the second electrode, wherein the semiconductor layer has a plurality of probe groups, which are bonded to the semiconductor layer by functionalization, for sensing a coupling-specific substance, which has bonding specificity with the probe groups. The semiconductor layer of the label-free sensor of the present invention is bonded with probe groups, and the detection of detected object is performed in instant, quick, rapid, and sensitive manner by measuring variation in electric current, thereby avoiding the use of the fluorescent reading equipment for reading fluorescent signals.Type: ApplicationFiled: July 10, 2009Publication date: September 23, 2010Applicant: NATIONAL CHIAO TUNG UNIVERSITYInventors: Hsin- Fei Meng, Sheng-Fu Hong, Yu-Chiang Chao, Chien-Cheng Liu, Wen-Hsing Liu, Cheng-Chung Chang, Jan-Hao Li, Ming-Zhi Dai
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Patent number: 7791068Abstract: A vertical organic light emitting transistor assembly and a horizontal organic light emitting transistor assembly are provided. The vertical organic light emitting transistor assembly comprises a first/second vertical transistor and a first/second organic light emitting diode perpendicularly integrated with the first/second vertical transistor, respectively. The horizontal organic light emitting transistor assembly comprises a substrate, a third vertical transistor and a third organic light emitting diode. The third vertical transistor and the third organic light emitting diode are arranged abreast on the substrate. By integrating the organic light emitting diode and the vertical transistor into a unitary electronic element, the vertical transistor can efficiently drive the organic light emitting diode so that the organic light emitting transistor assembly can overcome limitations caused by existing manufacturing processes and adapt to extensive applications.Type: GrantFiled: May 15, 2008Date of Patent: September 7, 2010Assignee: National Chiao Tung UniversityInventors: Hsin-Fei Meng, Sheng-Fu Horng, Yu-Chiang Chao