Patents by Inventor Wen Ku
Wen Ku 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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Publication number: 20140323890Abstract: Embodiments of the invention disclose a method and a system for signal analyzing and a processing module of the system. The signal analyzing system includes a plurality of first electrodes, a plurality of second electrodes, and a processing module. The first electrodes transmit a plurality of first input signals. The second electrodes transmit a plurality of second input signals. The processing module generates a body electrical signal according to at least one of the plurality of first input signals and at least one of the plurality of second input signals, generates a first filtered signal corresponding to the plurality of first input signals, generates a second filtered signal corresponding to the plurality of second input signals, and generates a lead signal according to the body electrical signal, the first filtered signal and the second filtered signal.Type: ApplicationFiled: April 29, 2013Publication date: October 30, 2014Applicant: MEDIATEK INC.Inventor: Po-Wen Ku
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Patent number: 8823039Abstract: This disclosure discloses a light-emitting device. The light-emitting device comprises: a light-emitting stack having an upper surface and a lower surface; a pad, arranged on the upper surface, comprising: a first bonding region; and a second bonding region physically connected to the first bonding region through a connecting region having a connecting width; a first electrode connected to the first bonding region; a second electrode connected to the second bonding region; and a third electrode extending from the pad and arranged between the first electrode and the second electrode. At least one of the first electrode, the second electrode, and the third electrode has a width smaller than the connecting width.Type: GrantFiled: April 30, 2012Date of Patent: September 2, 2014Assignee: Epistar CorporationInventors: Chien-Fu Shen, Cheng-Ta Kuo, Wei-Shou Chen, Tsung-Hsien Liu, Yi-Wen Ku, Min-Hsun Hsieh
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Publication number: 20140084324Abstract: A light-emitting device of an embodiment of the present application comprises a semiconductor layer sequence provided with a first main side, a second main side, and an active layer; a beveled trench formed in the semiconductor layer sequence, having a top end close to the second main side, a bottom end, and an inner sidewall connecting the top end and the bottom end. In the embodiment, the inner sidewall is an inclined surface. The light-emitting device further comprises a dielectric layer disposed on the inner sidewall of the beveled trench and the second main side; a first metal layer formed on the dielectric layer; a carrier substrate; and a first connection layer connecting the carrier substrate and the semiconductor layer sequence.Type: ApplicationFiled: December 2, 2013Publication date: March 27, 2014Applicant: EPISTAR CORPORATIONInventors: Chao-Hsing CHEN, Yu-Chen YANG, Li-Ping JOU, Hui-Chun YEH, Yi-Wen KU
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Patent number: 8598614Abstract: A light-emitting device of an embodiment of the present application comprises a semiconductor layer sequence provided with a first main side, a second main side, and an active layer; a beveled trench formed in the semiconductor layer sequence, having a top end close to the second main side, a bottom end, and an inner sidewall connecting the top end and the bottom end. In the embodiment, the inner sidewall is an inclined surface. The light-emitting device further comprises a dielectric layer disposed on the inner sidewall of the beveled trench and the second main side; a first metal layer formed on the dielectric layer; a carrier substrate; and a first connection layer connecting the carrier substrate and the semiconductor layer sequence.Type: GrantFiled: August 30, 2011Date of Patent: December 3, 2013Assignee: Epistar CorporationInventors: Chao-Hsing Chen, Yu-Chen Yang, Li-Ping Jou, Hui-Chun Yeh, Yi-Wen Ku
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Publication number: 20130049051Abstract: Disclosed is a light-emitting device comprising: a semiconductor stack layer; a reflective layer on the semiconductor stack layer; a first buffer layer comprising a compound comprising a metallic element and a non-metallic element on the reflective layer; a first electrode; and an electrical insulating layer disposed between the first buffer layer and the first electrode.Type: ApplicationFiled: August 28, 2012Publication date: February 28, 2013Applicant: Epistar CorporationInventors: Jia-Kuen Wang, Chien-Fu Shen, Chao-Hsing Chen, Yu-Chen Yang, Hui-Chun Yeh, Yl-Wen Ku, Hung-Che Chen, Chih-Nan Lin
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Publication number: 20120211794Abstract: This disclosure discloses a light-emitting device. The light-emitting device comprises: a light-emitting stack having an upper surface and a lower surface; a pad, arranged on the upper surface, comprising: a first bonding region; and a second bonding region physically connected to the first bonding region through a connecting region having a connecting width; a first electrode connected to the first bonding region; a second electrode connected to the second bonding region; and a third electrode extending from the pad and arranged between the first electrode and the second electrode. At least one of the first electrode, the second electrode, and the third electrode has a width smaller than the connecting width.Type: ApplicationFiled: April 30, 2012Publication date: August 23, 2012Applicant: EPISTAR CORPORATIONInventors: Chien-Fu SHEN, Cheng-Ta Kuo, Wei-Shou Chen, Tsung-Hsien Liu, Yi-Wen Ku, Min-Hsun Hsieh
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Patent number: 8188505Abstract: A light-emitting device comprises a substrate, an epitaxial structure formed on the substrate including a first semiconductor layer, a second semiconductor layer, and a light-emitting layer formed between the first semiconductor layer and the second semiconductor layer. A trench is formed in the epitaxial structure to expose a part of side surface of the epitaxial structure and a part of surface of the first semiconductor layer, so that a first conductive structure is formed on the part of surface of the first semiconductor layer in the trench, and a second conductive structure is formed on the second semiconductor layer. The first conductive structure includes a first electrode and a first pad electrically contacted with each other. The second conductive structure includes a second electrode and a second pad electrically contacted with each other. Furthermore, the area of at least one of the first pad and the second pad is between 1.5×104?m2 and 6.2×104 ?m2.Type: GrantFiled: November 21, 2008Date of Patent: May 29, 2012Assignee: Epistar CorporationInventors: Chien-Fu Shen, Cheng-Ta Kuo, Wei-Shou Chen, Tsung-Hsien Liu, Yi-Wen Ku, Min-Hsun Hsieh
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Publication number: 20120061691Abstract: This disclosure discloses a light-emitting device. The light-emitting device comprises: a light-emitting array comprising a first light-emitting unit and a second light-emitting unit electrically connected in serial with the first light-emitting unit; at least two first bonding pads formed on the first light-emitting unit; and at least two second bonding pads formed on the second light-emitting unit. One of the two first bonding pads is in a floating level, and one of the two second bonding pads is in a floating level.Type: ApplicationFiled: March 15, 2011Publication date: March 15, 2012Inventors: Chao-Hsing CHEN, Chien-Kai Chung, Hui-Chen Yeh, Yi-Wen Ku
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Publication number: 20120049227Abstract: A light-emitting device of an embodiment of the present application comprises a semiconductor layer sequence provided with a first main side, a second main side, and an active layer; a beveled trench formed in the semiconductor layer sequence, having a top end close to the second main side, a bottom end, and an inner sidewall connecting the top end and the bottom end. In the embodiment, the inner sidewall is an inclined surface. The light-emitting device further comprises a dielectric layer disposed on the inner sidewall of the beveled trench and the second main side; a first metal layer formed on the dielectric layer; a carrier substrate; and a first connection layer connecting the carrier substrate and the semiconductor layer sequence.Type: ApplicationFiled: August 30, 2011Publication date: March 1, 2012Inventors: Chao-Hsing CHEN, Yu-Chen Yang, Li-Ping Jou, Hui-Chun Yeh, Yi-Wen Ku
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Patent number: 8076686Abstract: A light-emitting diode and the manufacturing method thereof are disclosed. The manufacturing method includes the steps of: sequentially forming a bonding layer, a geometric pattern layer, a reflection layer, an epitaxial structure and a first electrode on a permanent substrate, wherein the geometric pattern layer has a periodic structure; and forming a second electrode on one side of the permanent substrate.Type: GrantFiled: March 10, 2008Date of Patent: December 13, 2011Assignee: Epistar CorporationInventors: Kuo-Hui Yu, Yu-Cheng Yang, An-Ru Lin, Tsun-Kai Ko, Wei-Shou Chen, Yi-Wen Ku, Cheng-Ta Kuo
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Publication number: 20100131807Abstract: A decoding algorithm for quadratic residue codes applicable to the decoding of all quadratic residue codes is provided. The decoding algorithm employs digital signals to obtain a plurality of known syndromes. These known syndromes are used to calculate a plurality of unknown syndromes. The inverse-free Berlekamp-Massey algorithm is then used to calculate the error polynomial, after which the Chien search algorithm is used to determine the error locations. Adjustments can then be made to the digital signal bits corresponding to the error locations to obtain the correct code.Type: ApplicationFiled: November 26, 2008Publication date: May 27, 2010Applicant: I-SHOU UNIVERSITYInventors: Trieu-Kien TRUONG, Tsung-Ching LIN, Pei-Yu SHIH, Wen-Ku SU
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Publication number: 20090224272Abstract: A light-emitting diode and the manufacturing method thereof are disclosed. The manufacturing method comprises the steps of: sequentially forming a bonding layer, a geometric pattern layer, a reflection layer, an epitaxial structure and a first electrode on a permanent substrate, wherein the geometric pattern layer has a periodic structure; and forming a second electrode on one side of the permanent substrate.Type: ApplicationFiled: March 10, 2008Publication date: September 10, 2009Applicant: EPISTAR CORPORATIONInventors: Kuo-Hui Yu, Yu-Cheng Yang, An-Ru Lin, Tsun-Kai Ko, Wei-Shou Chen, Yi-Wen Ku, Cheng-Ta Kuo
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Publication number: 20090140280Abstract: A light-emitting device comprises a substrate, an epitaxial structure formed on the substrate including a first semiconductor layer, a second semiconductor layer, and a light-emitting layer formed between the first semiconductor layer and the second semiconductor layer. A trench is formed in the epitaxial structure to expose a part of side surface of the epitaxial structure and a part of surface of the first semiconductor layer, so that a first conductive structure is formed on the part of surface of the first semiconductor layer in the trench, and a second conductive structure is formed on the second semiconductor layer. The first conductive structure includes a first electrode and a first pad electrically contacted with each other. The second conductive structure includes a second electrode and a second pad electrically contacted with each other. Furthermore, the area of at least one of the first pad and the second pad is between 1.5×104 ?m and 6.2×104 ?m.Type: ApplicationFiled: November 21, 2008Publication date: June 4, 2009Applicant: EPISTAR CORPORATIONInventors: Chien-Fu Shen, Cheng-Ta Kuo, Wei-Shou Chen, Tsung-Hsien Liu, Yi-Wen Ku, Min-Hsun Hsieh
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Publication number: 20090080464Abstract: A multimedia data system comprising a synchronization unit. The synchronization unit receives a demodulated bitstream, checks whether a FAW pattern corresponding to a candidate of the bitstream exists, checks whether an additional information corresponding to the candidate of the bitstream is valid when the FAW pattern exists, determines a hit weighting corresponding to the candidate according to the checking result, determines whether the hit weighting meets a criterion and outputs a synchronization signal when the hit weighting meets the criterion.Type: ApplicationFiled: September 24, 2007Publication date: March 26, 2009Applicant: MEDIATEK INC.Inventors: Hsing-Ju Wei, Chien-Hua Hsu, Po-Wen Ku
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Patent number: 7467020Abstract: According to the claimed invention, a DSP is disclosed. The DSP comprises a processing unit for processing the data stream, a first memory coupled to the processing unit for storing a destination volume value, and a second memory coupled to the processing unit for storing a time_determining value wherein the processing unit adjusts the volume of the signal stored in the data stream according to the time_determining value such that the adjustment from a current volume value of the signal to the destination volume value is accomplished within a predetermined time.Type: GrantFiled: October 27, 2003Date of Patent: December 16, 2008Assignee: Media Tek Inc.Inventor: Po-Wen Ku
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Publication number: 20060277394Abstract: A computing system includes a digital signal processor, a storage medium for storing parameter tables, a central processing unit coupled to the digital signal processor and the storage medium, and a shared memory coupled to the digital signal processor and the central processing unit. The digital signal processor stores a data request in the shared memory and issues a request command to the central processing unit when access to the parameter tables is desired. Upon receipt of the request command, the central processing unit reads the data request in the shared memory, accesses the storage medium for retrieving requested data that corresponds to the data request, stores the requested data in the shared memory, and issues a response command to the digital signal processor. The digital signal processor retrieves the requested data from the shared memory upon receipt of the response command from the central processing unit.Type: ApplicationFiled: July 27, 2006Publication date: December 7, 2006Applicant: MEDIATEK INC.Inventor: Po-Wen Ku
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Patent number: 7103705Abstract: A computing system includes a digital signal processor, a storage medium for storing parameter tables, a central processing unit coupled to the digital signal processor and the storage medium, and a shared memory coupled to the digital signal processor and the central processing unit. The digital signal processor stores a data request in the shared memory and issues a request command to the central processing unit when access to the parameter tables is desired. Upon receipt of the request command, the central processing unit reads the data request in the shared memory, accesses the storage medium for retrieving requested data that corresponds to the data request, stores the requested data in the shared memory, and issues a response command to the digital signal processor. The digital signal processor retrieves the requested data from the shared memory upon receipt of the response command from the central processing unit.Type: GrantFiled: January 27, 2003Date of Patent: September 5, 2006Assignee: Mediatek Inc.Inventor: Po-Wen Ku
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Publication number: 20050154766Abstract: A multimedia processing system includes a selector, an output playback apparatus, a controller, and an A/V signal detector. The selector has a plurality of input ports for receiving multimedia signals and for selecting and outputting one of the multimedia signals according to a selection control signal. The output playback apparatus is used for playing the multimedia signal outputted by the selector in the output playback apparatus. The controller is used for generating the corresponding selection control signals to the selector. The A/V signal detector is used for detecting whether the input ports of the selector have received a newly inputted multimedia signal. When a newly inputted multimedia signal is detected, the A/V signal detector outputs a specific selection signal to the controller, so the controller subsequently generates the corresponding selection control signal to the selector for selecting and outputting the newly inputted multimedia signal to the output playback apparatus.Type: ApplicationFiled: December 23, 2004Publication date: July 14, 2005Inventors: Wei-Hung Huang, Po-Wen Ku
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Patent number: D559232Type: GrantFiled: December 15, 2006Date of Patent: January 8, 2008Assignees: Fortemedia, Inc., MVOX Technologies, Inc.Inventors: Wen Ku, Sally Li, Thomas Chen, Yi-Wen Chen
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Patent number: D687396Type: GrantFiled: September 6, 2012Date of Patent: August 6, 2013Assignee: Epistar CorporationInventors: Chao-Hsing Chen, Chien-Fu Shen, Tsun-Kai Ko, Yi-Wen Ku