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).

  • Publication number: 20240069878
    Abstract: 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: Application
    Filed: July 3, 2023
    Publication date: February 29, 2024
    Applicant: MEDIATEK INC.
    Inventors: Huai-Ting LI, I-Lin CHEN, Tsai JEN CHIEH, Cheng-Sheng CHAN, ShengJe HUNG, Yi-Min TSAI, Huang YA-LIN
  • Patent number: 9501992
    Abstract: 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: Grant
    Filed: November 22, 2013
    Date of Patent: November 22, 2016
    Assignee: EPISTAR CORPORATION
    Inventors: Sheng-Chieh Tai, Wen-Yung Yeh, Yi-Jen Chan
  • Patent number: 9419160
    Abstract: 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: Grant
    Filed: February 17, 2015
    Date of Patent: August 16, 2016
    Assignee: Episil-Precision Inc.
    Inventors: Jung Hsuan, Chih-Wei Hu, Yi-Jen Chan
  • Publication number: 20160020346
    Abstract: 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: Application
    Filed: February 17, 2015
    Publication date: January 21, 2016
    Inventors: Jung Hsuan, Chih-Wei Hu, Yi-Jen Chan
  • Patent number: 8878780
    Abstract: 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: Grant
    Filed: May 24, 2012
    Date of Patent: November 4, 2014
    Assignee: Industrial Technology Research Institute
    Inventors: Yi-Jen Chan, Golden Tiao, Chang-Ying Chen, Chy-Lin Wang, Kun-Lung Tseng, Shang-Yi Lin
  • Patent number: 8831253
    Abstract: 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: Grant
    Filed: October 22, 2010
    Date of Patent: September 9, 2014
    Assignee: Industrial Technology Research Institute
    Inventors: Chang-Ho Liou, Ming-Daw Chen, Yi-Jen Chan, Kun-Chia Wu, Winny Wang
  • Publication number: 20140078131
    Abstract: 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: Application
    Filed: November 22, 2013
    Publication date: March 20, 2014
    Applicant: EPISTAR CORPORATION
    Inventors: Sheng-Chieh TAI, Wen-Yung YEH, Yi-Jen CHAN
  • Patent number: 8598799
    Abstract: 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: Grant
    Filed: December 18, 2008
    Date of Patent: December 3, 2013
    Assignee: Epistar Corporation
    Inventors: Sheng-Chieh Tai, Wen-Yung Yeh, Yi-Jen Chan
  • Patent number: 8503702
    Abstract: 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: Grant
    Filed: October 22, 2010
    Date of Patent: August 6, 2013
    Assignees: Industrial Technology Research Institute, National Taiwan University
    Inventors: Che-I Kao, Chih-Kung Lee, Wen-Ching Ko, Chang-Ho Liou, Ing-Yih Leu, Ming-Daw Chen, Yi-Jen Chan, Chien-Kai Tseng
  • Publication number: 20130009862
    Abstract: 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: Application
    Filed: May 24, 2012
    Publication date: January 10, 2013
    Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Yi-Jen Chan, Golden Tiao, Chang-Ying Chen, Chy-Lin Wang, Kun-Lung Tseng, Shang-Yi Lin
  • Publication number: 20130010463
    Abstract: 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: Application
    Filed: March 2, 2012
    Publication date: January 10, 2013
    Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Chao-Wei Li, Cheng-Da Shaw, Hung-Lieh Hu, Yi-Jen Chan
  • Patent number: 8265436
    Abstract: 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: Grant
    Filed: May 12, 2010
    Date of Patent: September 11, 2012
    Assignees: Industrial Technology Research Institute, Elite Advanced Laser Corporation
    Inventors: Chih-Tsung Shih, Chien-Jen Sun, Jerry Chien, Chu-Liang Cheng, Yi-Jen Chan
  • Publication number: 20110280511
    Abstract: 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: Application
    Filed: May 12, 2010
    Publication date: November 17, 2011
    Applicants: ELITE ADVANCED LASER CORPORATION, INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Chih-Tsung Shih, Chien-Jen Sun, Jerry Chien, Chu-Liang Cheng, Yi-Jen Chan
  • Publication number: 20110255720
    Abstract: 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: Application
    Filed: October 22, 2010
    Publication date: October 20, 2011
    Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Che-I Kao, Chih-Kung Lee, Wen-Ching Ko, Chang-Ho Liou, Ing-Yih Leu, Ming-Daw Chen, Yi-Jen Chan, Chien-Kai Tseng
  • Publication number: 20110255719
    Abstract: 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: Application
    Filed: October 22, 2010
    Publication date: October 20, 2011
    Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Chang-Ho Liou, Ming-Daw Chen, Yi-Jen Chan, Kun-Chia Wu, Winny Wang
  • Publication number: 20110115034
    Abstract: 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: Application
    Filed: March 26, 2010
    Publication date: May 19, 2011
    Applicant: Industrial Technology Research Institute
    Inventors: Po-Yuan Lo, Yu-Rung Peng, Tarng-Shiang Hu, Yi-Jen Chan
  • Publication number: 20100166230
    Abstract: 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: Application
    Filed: April 6, 2009
    Publication date: July 1, 2010
    Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Kuo-Hua Tseng, Yi-Jen Chan, Chang-Ho Liou, Ming-Daw Chen
  • Patent number: 7641820
    Abstract: 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: Grant
    Filed: April 26, 2006
    Date of Patent: January 5, 2010
    Assignee: Industrial Technology Research Institute
    Inventors: Chun-Jung Chen, Gue-Wuu Hwang, Ching Ting, Yi-Jen Chan, Zing-Way Pei, Chia-Chieh Chang, Chen-Pang Kung
  • Patent number: 7634200
    Abstract: 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: Grant
    Filed: June 22, 2005
    Date of Patent: December 15, 2009
    Assignee: National Central University
    Inventors: Yi-Jen Chan, Hsin-Pin Wang, Fan-Hsiu Huang, Dong-Ming Lin, Jia-Wei Chen
  • Patent number: 7629607
    Abstract: 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: Grant
    Filed: October 24, 2007
    Date of Patent: December 8, 2009
    Assignee: Industrial Technology Research Institute
    Inventors: Jun-Rong Chen, Heng-Tien Lin, Jui-Fen Fan, Gue-Wuu Hwang, Ching Ting, Yi-Jen Chan