Patents by Inventor Yi-Jen Chan
Yi-Jen Chan 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: 20240069878Abstract: Aspects of the present disclosure provide a method for training a predictor that predicts performance of a plurality of machine learning (ML) models on platforms. For example, the method can include converting each of the ML models into a plurality of instructions or the instructions and a plurality of intermediate representations (IRs). The method can also include simulating execution of the instructions corresponding to each of the ML models on a platform and generating instruction performance reports. Each of the instruction performance reports can be associated with performance of the instructions corresponding to one of the ML models that are executed on the platform. The method can also include training the predictor with the instructions or the IRs as learning features and the instruction performance reports as learning labels, compiling the predictor into a library file, and storing the library file in a storage device.Type: ApplicationFiled: July 3, 2023Publication date: February 29, 2024Applicant: MEDIATEK INC.Inventors: Huai-Ting LI, I-Lin CHEN, Tsai JEN CHIEH, Cheng-Sheng CHAN, ShengJe HUNG, Yi-Min TSAI, Huang YA-LIN
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Patent number: 9501992Abstract: An alternating current (AC) light emitting device includes an AC light emitting diode (LED) module and a waveform modulation unit. The AC LED module includes at least two sets of micro-diodes. The waveform modulation unit coupled between the AC LED module and an AC voltage source modulates a waveform of the AC voltage source.Type: GrantFiled: November 22, 2013Date of Patent: November 22, 2016Assignee: EPISTAR CORPORATIONInventors: Sheng-Chieh Tai, Wen-Yung Yeh, Yi-Jen Chan
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Patent number: 9419160Abstract: A nitride semiconductor structure is provided. The nitride semiconductor structure includes a substrate, a SiC nucleation layer, a composite buffer layer and a nitride semiconductor layer. The SiC nucleation layer is located on the substrate. The composite buffer layer is located on the SiC nucleation layer. The nitride semiconductor layer is located on the composite buffer layer. Besides, the nitride semiconductor structure is an AlN free semiconductor structure.Type: GrantFiled: February 17, 2015Date of Patent: August 16, 2016Assignee: Episil-Precision Inc.Inventors: Jung Hsuan, Chih-Wei Hu, Yi-Jen Chan
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Publication number: 20160020346Abstract: A nitride semiconductor structure is provided. The nitride semiconductor structure includes a substrate, a SiC nucleation layer, a composite buffer layer and a nitride semiconductor layer. The SiC nucleation layer is located on the substrate. The composite buffer layer is located on the SiC nucleation layer. The nitride semiconductor layer is located on the composite buffer layer. Besides, the nitride semiconductor structure is an AlN free semiconductor structure.Type: ApplicationFiled: February 17, 2015Publication date: January 21, 2016Inventors: Jung Hsuan, Chih-Wei Hu, Yi-Jen Chan
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Patent number: 8878780Abstract: A display apparatus including an image generator, a projection lens set, a depth detecting module detecting the position of user, and a control unit is provided, wherein the control unit is electrically connected to the image generator, the projection lens set and the depth detecting module. An image displayed by the image generator is projected through the projection lens set and generates a floating real image between the projection lens set and the user. Each beam forming the floating real image has a light-cone angle ?. The image generator and the projection lens adjust the position of the floating real image according to the position of user. The size of the floating real image is L, the distance between two eyes of the user is W, the distance between the user and the floating real image is D, and the light-cone angle ? satisfies the formula of ? ? tan - 1 ? ( L + W D ) .Type: GrantFiled: May 24, 2012Date of Patent: November 4, 2014Assignee: Industrial Technology Research InstituteInventors: Yi-Jen Chan, Golden Tiao, Chang-Ying Chen, Chy-Lin Wang, Kun-Lung Tseng, Shang-Yi Lin
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Patent number: 8831253Abstract: An electroacoustic apparatus with an optical energy conversion function is provided. The electroacoustic apparatus includes an optical energy converter for converting optical energy into electrical power. The electroacoustic apparatus further includes a signal generator and a flat speaker. The signal generator receives a signal from a sound source and generates a sound signal according to the received signal. The signal generator sends the sound signal to the flat speaker, and the flat speaker makes a sound according to the sound signal. Aforementioned operations are all performed by using the electrical power generated by the optical energy converter or a power stored therein.Type: GrantFiled: October 22, 2010Date of Patent: September 9, 2014Assignee: Industrial Technology Research InstituteInventors: Chang-Ho Liou, Ming-Daw Chen, Yi-Jen Chan, Kun-Chia Wu, Winny Wang
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Publication number: 20140078131Abstract: An alternating current (AC) light emitting device includes an AC light emitting diode (LED) module and a waveform modulation unit. The AC LED module includes at least two sets of micro-diodes. The waveform modulation unit coupled between the AC LED module and an AC voltage source modulates a waveform of the AC voltage source.Type: ApplicationFiled: November 22, 2013Publication date: March 20, 2014Applicant: EPISTAR CORPORATIONInventors: Sheng-Chieh TAI, Wen-Yung YEH, Yi-Jen CHAN
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Patent number: 8598799Abstract: An alternating current (AC) light emitting device includes an AC light emitting diode (LED) module and a waveform modulation unit. The AC LED module includes at least two sets of micro-diodes. The waveform modulation unit coupled between the AC LED module and an AC voltage source modulates a waveform of the AC voltage source.Type: GrantFiled: December 18, 2008Date of Patent: December 3, 2013Assignee: Epistar CorporationInventors: Sheng-Chieh Tai, Wen-Yung Yeh, Yi-Jen Chan
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Patent number: 8503702Abstract: An electret diaphragm and a speaker using the same are provided. The electret diaphragm includes an electret layer, a bonding layer adhered to a surface of the electret layer, and an aluminum (Al) electrode layer adhered on the bonding layer. The electret layer at least includes ethylene group polymer. A material of the bonding layer is ethylene-ethyl-acrylate (EEA) or ethylene-vinyl acetate (EVA).Type: GrantFiled: October 22, 2010Date of Patent: August 6, 2013Assignees: Industrial Technology Research Institute, National Taiwan UniversityInventors: Che-I Kao, Chih-Kung Lee, Wen-Ching Ko, Chang-Ho Liou, Ing-Yih Leu, Ming-Daw Chen, Yi-Jen Chan, Chien-Kai Tseng
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Publication number: 20130009862Abstract: A display apparatus including an image generator, a projection lens set, a depth detecting module detecting the position of user, and a control unit is provided, wherein the control unit is electrically connected to the image generator, the projection lens set and the depth detecting module. An image displayed by the image generator is projected through the projection lens set and generates a floating real image between the projection lens set and the user. Each beam forming the floating real image has a light-cone angle ?. The image generator and the projection lens adjust the position of the floating real image according to the position of user.Type: ApplicationFiled: May 24, 2012Publication date: January 10, 2013Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Yi-Jen Chan, Golden Tiao, Chang-Ying Chen, Chy-Lin Wang, Kun-Lung Tseng, Shang-Yi Lin
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Publication number: 20130010463Abstract: An illumination device including a base, a heat dissipation member, an FPC board and a plurality of light-emitting elements is provided. The heat dissipation member is disposed on the base. The heat dissipation member has a center axis and a curved surface. The center axis passes through the base and the curved surface surrounds the center axis. The FPC board is disposed on the curved surface. The light-emitting elements are disposed on the FPC board.Type: ApplicationFiled: March 2, 2012Publication date: January 10, 2013Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Chao-Wei Li, Cheng-Da Shaw, Hung-Lieh Hu, Yi-Jen Chan
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Patent number: 8265436Abstract: A bonding system and a bonding method for alignment are provided. An optical semiconductor includes a light source and a plurality of protruded elements on a surface thereof. A semiconductor bench includes a light receiving element and a plurality of recess elements on a surface thereof. A sidewall of the protruded elements or a sidewall of the recess elements is slanted. A first metallized layer is disposed on a bonding surface of each protruded element and a second metallized layer is disposed on a bottom surface of each recess element, wherein the first metallized layer is used for bonding with the second metallized layer.Type: GrantFiled: May 12, 2010Date of Patent: September 11, 2012Assignees: Industrial Technology Research Institute, Elite Advanced Laser CorporationInventors: Chih-Tsung Shih, Chien-Jen Sun, Jerry Chien, Chu-Liang Cheng, Yi-Jen Chan
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Publication number: 20110280511Abstract: A bonding system and a bonding method for alignment are provided. An optical semiconductor includes a light source and a plurality of protruded elements on a surface thereof. A semiconductor bench includes a light receiving element and a plurality of recess elements on a surface thereof. A sidewall of the protruded elements or a sidewall of the recess elements is slanted. A first metallized layer is disposed on a bonding surface of each protruded element and a second metallized layer is disposed on a bottom surface of each recess element, wherein the first metallized layer is used for bonding with the second metallized layer.Type: ApplicationFiled: May 12, 2010Publication date: November 17, 2011Applicants: ELITE ADVANCED LASER CORPORATION, INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Chih-Tsung Shih, Chien-Jen Sun, Jerry Chien, Chu-Liang Cheng, Yi-Jen Chan
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Publication number: 20110255720Abstract: An electret diaphragm and a speaker using the same are provided. The electret diaphragm includes an electret layer, a bonding layer adhered to a surface of the electret layer, and an aluminum (Al) electrode layer adhered on the bonding layer. The electret layer at least includes ethylene group polymer. A material of the bonding layer is ethylene-ethyl-acrylate (EEA) or ethylene-vinyl acetate (EVA).Type: ApplicationFiled: October 22, 2010Publication date: October 20, 2011Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Che-I Kao, Chih-Kung Lee, Wen-Ching Ko, Chang-Ho Liou, Ing-Yih Leu, Ming-Daw Chen, Yi-Jen Chan, Chien-Kai Tseng
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Publication number: 20110255719Abstract: An electroacoustic apparatus with an optical energy conversion function is provided. The electroacoustic apparatus includes an optical energy converter for converting optical energy into electrical power. The electroacoustic apparatus further includes a signal generator and a flat speaker. The signal generator receives a signal from a sound source and generates a sound signal according to the received signal. The signal generator sends the sound signal to the flat speaker, and the flat speaker makes a sound according to the sound signal. Aforementioned operations are all performed by using the electrical power generated by the optical energy converter or a power stored therein.Type: ApplicationFiled: October 22, 2010Publication date: October 20, 2011Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Chang-Ho Liou, Ming-Daw Chen, Yi-Jen Chan, Kun-Chia Wu, Winny Wang
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Publication number: 20110115034Abstract: A transistor including a substrate, a gate, a semiconductor layer, a stacked insulating layer and a source and a drain is provided. The gate is disposed on the substrate. The semiconductor layer is disposed on the substrate, and a first type carrier is the main carrier in the semiconductor layer. The stacked insulating layer is disposed between the semiconductor layer and the gate, and includes a first insulating layer and a second insulating layer. The first insulating layer contains a first group withdrawing the first type carrier, the second insulating layer contains a second group withdrawing a second type carrier, and the first insulating layer is disposed between the semiconductor layer and the second insulating layer. The source and the drain are disposed on the substrate and at two sides of the semiconductor layer.Type: ApplicationFiled: March 26, 2010Publication date: May 19, 2011Applicant: Industrial Technology Research InstituteInventors: Po-Yuan Lo, Yu-Rung Peng, Tarng-Shiang Hu, Yi-Jen Chan
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Publication number: 20100166230Abstract: A solar flat speaker structure including a flat speaker and a solar cell is provided. The flat speaker includes a chamber substrate, a diaphragm and an upper electrode; the solar cell includes a substrate, and the flat speaker is disposed on a surface of the substrate of the solar cell, so that solar power absorbed by the solar cell is converted to electricity and provided to the flat speaker. A speaker device including at least a flat speaker, a solar cell or the above solar flat speaker structure and an integrator is also provided. The integrator includes at least an audio decoder, a radio frequency receiver, a speaker amplifier, a display and a power manager. The speaker device is expanded using a folding method or a scrolling method.Type: ApplicationFiled: April 6, 2009Publication date: July 1, 2010Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Kuo-Hua Tseng, Yi-Jen Chan, Chang-Ho Liou, Ming-Daw Chen
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Patent number: 7641820Abstract: A nano compound. The nano compound includes a metal or oxide thereof and an organic compound capable of oxidation and reduction bonded to the metal or oxide thereof. The invention also provides an organic memory device including the nano compound.Type: GrantFiled: April 26, 2006Date of Patent: January 5, 2010Assignee: Industrial Technology Research InstituteInventors: Chun-Jung Chen, Gue-Wuu Hwang, Ching Ting, Yi-Jen Chan, Zing-Way Pei, Chia-Chieh Chang, Chen-Pang Kung
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Patent number: 7634200Abstract: A single wavelength fiber-optic communication system that mixes an Ethernet signal with a radio frequency signal is disclosed. The system includes an Ethernet signal module, a radio frequency signal module, a mixer module and a receiver module. The Ethernet signal module provides an Ethernet signal. The radio frequency signal module provides a radio frequency signal. The mixer module provides an optical mixed signal by means of mixing the Ethernet signal with the radio signal at a single wavelength. The receiver module transforms the optical mixed signal into the radio frequency signal and a digital signal that contains the Ethernet signal.Type: GrantFiled: June 22, 2005Date of Patent: December 15, 2009Assignee: National Central UniversityInventors: Yi-Jen Chan, Hsin-Pin Wang, Fan-Hsiu Huang, Dong-Ming Lin, Jia-Wei Chen
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Patent number: 7629607Abstract: Disclosed is an organic non-volatile memory (ONVM) material including nanoparticles evenly dispersed in a first polymer. The nanoparticles have a metal core covered by a second polymer to form a core/shell structure, and the first polymer has a higher polymerization degree and molecular weight than the second polymer. The ONVM material of the invention has high uniformity, thereby stabilizing the electric properties of the memory device, such as increasing rewrite counts, increasing data retention time, reducing driving voltage, reducing write current, and enhancing current on/off ratio.Type: GrantFiled: October 24, 2007Date of Patent: December 8, 2009Assignee: Industrial Technology Research InstituteInventors: Jun-Rong Chen, Heng-Tien Lin, Jui-Fen Fan, Gue-Wuu Hwang, Ching Ting, Yi-Jen Chan