Patents by Inventor Tzu-Han Hsu

Tzu-Han Hsu 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).

  • Patent number: 9865777
    Abstract: A semiconductor light-emitting device including a light-emitting diode chip and an electrode disposed thereon is provided. The electrode at least includes a plated silver alloy (Ag1-xYx) layer, wherein the Y of the Ag1-xYx layer includes metals forming a complete solid solution with Ag at arbitrary weight percentage, and the X of the Ag1-xYx layer is in a range from about 0.02 to 0.15. The fabricating method thereof is also provided.
    Type: Grant
    Filed: October 28, 2016
    Date of Patent: January 9, 2018
    Assignee: ChipMOS Technologies Inc.
    Inventors: Tung-Bao Lu, Tzu-Han Hsu
  • Publication number: 20170331006
    Abstract: A semiconductor light-emitting device including a light-emitting diode chip and an electrode disposed thereon is provided. The electrode at least includes a plated silver alloy (Ag1-xYx) layer, wherein the Y of the Ag1-xYx layer includes metals forming a complete solid solution with Ag at arbitrary weight percentage, and the X of the Ag1-xYx layer is in a range from about 0.02 to 0.15. The fabricating method thereof is also provided.
    Type: Application
    Filed: October 28, 2016
    Publication date: November 16, 2017
    Applicant: ChipMOS Technologies Inc.
    Inventors: Tung-Bao Lu, Tzu-Han Hsu
  • Patent number: 9780056
    Abstract: A solder ball includes a silver ball structure and a shell structure. The shell structure wraps a surface of the silver ball structure, and a material of the shell structure at least includes tin. When the solder ball is bonded to other devices, the ball height of the solder ball remains constant to avoid collapse.
    Type: Grant
    Filed: October 19, 2016
    Date of Patent: October 3, 2017
    Assignee: ChipMOS Technologies Inc.
    Inventors: Tung-Bao Lu, Tzu-Han Hsu
  • Patent number: 9721913
    Abstract: A semiconductor package comprises a semiconductor chip having an active surface with a conductive pad thereon; an electroplated Au—Sn alloy bump over the active surface; and a (glass) substrate comprising conductive traces electrically coupling with the electroplated Au—Sn alloy bump, wherein the electroplated Au—Sn alloy bump has a composition from about Au0.35Sn0.15 to about Au0.75Sn0.25 in weight percent uniformly distributed from an end in proximity to the active surface to an end in proximity to the substrate. A method of manufacturing a semiconductor package comprises forming patterns of conductive pads on an active surface of a semiconductor chip; electroplating Au—Sn alloy bump over the conductive pads; and bonding the semiconductor chip on a corresponding conductive trace on a substrate by a reflow operation or a thermal press operation.
    Type: Grant
    Filed: August 18, 2016
    Date of Patent: August 1, 2017
    Assignee: CHIPMOS TECHNOLOGIES INC
    Inventors: Tung Bao Lu, Heng-Sheng Wang, Tzu-Han Hsu
  • Patent number: 9620445
    Abstract: A chip package structure including a chip, a circuit layer, a passive element material and a substrate is provided. The circuit layer is disposed on a surface of the chip, wherein the circuit layer includes a plurality of bumps and a plurality of passive element electrodes. The bumps and the passive element electrodes have the same material, and the passive element electrodes are electrically connected with part of the bumps. The passive element material is disposed between the passive element electrodes, so that the passive element electrodes and the passive element material form a passive element located on the surface of the chip. The chip is disposed on the substrate and faces the substrate by the surface, so that the chip and the passive element are electrically connected to the substrate through the bumps. A method of manufacturing the chip package structure aforementioned is also provided.
    Type: Grant
    Filed: April 6, 2016
    Date of Patent: April 11, 2017
    Assignee: ChipMOS Technologies Inc.
    Inventors: Tung-Bao Lu, Tzu-Han Hsu
  • Publication number: 20160358872
    Abstract: A semiconductor package comprises a semiconductor chip having an active surface with a conductive pad thereon; an electroplated Au—Sn. alloy bump over the active surface; and a (glass) substrate comprising conductive traces electrically coupling, with the electroplated Au—Sn alloy bump, wherein the electroplated Au—Sn alloy bump has a composition from about Au0.35Sn0.15 to about Au0.75Sn0.25 in weight percent uniformly distributed from an end in proximity to the active surface to an end in proximity to the substrate. A method of manufacturing a semiconductor package comprises forming patterns of conductive pads on an active surface of a semiconductor chip; electroplating Au—Sn alloy bump over the conductive pads; and bonding the semiconductor chip on a corresponding conductive trace on a substrate by reflow operation or a thermal press operation.
    Type: Application
    Filed: August 18, 2016
    Publication date: December 8, 2016
    Inventors: TUNG BAO LU, HENG-SHENG WANG, TZU-HAN HSU
  • Publication number: 20160308100
    Abstract: A semiconductor package comprises a semiconductor chip having an active surface with a conductive pad thereon; an electroplated Au—Sn alloy bump over the active surface; and a (glass) substrate comprising conductive traces electrically coupling with the electroplated Au—Sn alloy bump, wherein the electroplated Au—Sn alloy bump has a composition from about Au0.85Sn0.15 to about Au0.75Sn0.25 in weight percent uniformly distributed from an end in proximity to the active surface to an end in proximity to the substrate. A method of manufacturing a semiconductor package comprises forming patterns of conductive pads on an active surface of a semiconductor chip; electroplating Au—Sn alloy bump over the conductive pads; and bonding the semiconductor chip on a corresponding conductive trace on a substrate by a reflow operation or a thermal press operation.
    Type: Application
    Filed: April 17, 2015
    Publication date: October 20, 2016
    Inventors: TUNG BAO LU, HENG-SHENG WANG, TZU-HAN HSU
  • Patent number: 8897318
    Abstract: A network device includes a first transceiver unit, a second transceiver unit and a control unit. The first transceiver unit is utilized for processing a data corresponding to a first physical (PHY) layer via a first interface. The second transceiver unit is utilized for processing a data corresponding to a second PHY layer via a second interface. The control unit is utilized for processing a data corresponding to a media access control (MAC) layer, wherein the control unit connects with at least one of the first transceiver unit and the second transceiver unit with reference to a connection scheme.
    Type: Grant
    Filed: November 29, 2011
    Date of Patent: November 25, 2014
    Assignee: Realtek Semiconductor Corp.
    Inventors: Liang-Wei Huang, Shieh-Hsing Kuo, Li-Han Liang, Tzu-Han Hsu
  • Patent number: 8724680
    Abstract: A transceiver includes a transceiver and a clock generation unit. The clock generation unit includes a clock generator, a multiplexer, and a frequency difference detector. The transceiver exchanges data with a link partner according to a first clock generated by a phase-locked loop. The clock generator is used for generating and outputting a second clock. The multiplexer is used for receiving a calibration clock or a receiver clock of the link partner, and outputting the calibration clock or the receiver clock of the link partner. The frequency difference detector is used for generating a difference signal according to a difference between the calibration clock and the second clock, or a difference between the receiver clock of the link partner and the second clock. The clock generator adjusts the shift of the second clock according to the difference signal. The phase-locked loop generates the first clock according to the second clock.
    Type: Grant
    Filed: September 11, 2012
    Date of Patent: May 13, 2014
    Assignee: Realtek Semiconductor Corp.
    Inventors: Ming-Feng Hsu, Kai-Yin Liu, Tzu-Han Hsu, Yuan-Jih Chu
  • Patent number: 8670555
    Abstract: A communication apparatus is disclosed including: an analog-front-end circuit for receiving and processing an analog input signal; an analog-to-digital converter (ADC) coupled with the analog-front-end circuit for converting processed signal from the analog-front-end circuit into a digital input signal; and a control unit coupled with the ADC for adjusting at least one resistance and/or at least one capacitance in an analog echo cancellation circuit according to the digital input signal before the analog-front-end circuit receives a training sequence that is the first training sequence transmitted from a second communication apparatus after the second communication apparatus begins communicating with the communication apparatus.
    Type: Grant
    Filed: December 28, 2011
    Date of Patent: March 11, 2014
    Assignee: Realtek Semiconductor Corp.
    Inventors: Liang-Wei Huang, Shieh-Hsing Kuo, Jui-Yi Liu, Tzu-Han Hsu
  • Patent number: 8665933
    Abstract: A data transmitting and receiving device and method are used for saving powers and maintaining the connection quality, stability and continuous link. The method includes the step of gradually adjusting the de-emphasis of the signal transmitted from the data transmitting and receiving device according to the setting value thereof. The method also includes the steps of transmitting training sequence signal with an amplitude and the default de-emphasis by the data transmitting and receiving device to the remote device, receiving the training sequence signal from the remote device, thereby the channel attenuation is estimated using the method, and a better de-emphasis is set up. Then, the data transmitting and receiving device gradually increases the amplitude of the training sequence signal and re-transmits it until the remote device receives the training sequence signal transmitted therefrom.
    Type: Grant
    Filed: May 27, 2011
    Date of Patent: March 4, 2014
    Assignee: Realtek Semiconductor Corp.
    Inventors: Liang-Wei Huang, Mei-Chao Yeh, Tzu-Han Hsu, Li-Han Liang
  • Publication number: 20130128933
    Abstract: A transceiver includes a transceiver and a clock generation unit. The clock generation unit includes a clock generator, a multiplexer, and a frequency difference detector. The transceiver exchanges data with a link partner according to a first clock generated by a phase-locked loop. The clock generator is used for generating and outputting a second clock. The multiplexer is used for receiving a calibration clock or a receiver clock of the link partner, and outputting the calibration clock or the receiver clock of the link partner. The frequency difference detector is used for generating a difference signal according to a difference between the calibration clock and the second clock, or a difference between the receiver clock of the link partner and the second clock. The clock generator adjusts the shift of the second clock according to the difference signal. The phase-locked loop generates the first clock according to the second clock.
    Type: Application
    Filed: September 11, 2012
    Publication date: May 23, 2013
    Inventors: Ming-Feng Hsu, Kai-Yin Liu, Tzu-Han Hsu, Yuan-Jih Chu
  • Publication number: 20130084052
    Abstract: The disclosure provides an electronic device and a network access module. The electronic device comprises: a multimedia processing module and a network access module. The multi-media processing module comprises a first network control circuit, and the network access module comprises: a second network control circuit, a third network control circuit, at least a fourth network control circuit, a network transmission unit, and a multiplexer. The multiplexer is utilized for selecting at least a multimedia connecting port from a plurality of multimedia connecting ports to connect to the at least a fourth network control circuit, so as to make at least a multimedia device connected to the at least a multimedia connecting port to connect to an external network and access the external network via the at least a fourth network control circuit, the network transmission unit, the third network control circuit, and the network connecting port.
    Type: Application
    Filed: September 10, 2012
    Publication date: April 4, 2013
    Inventors: Liang-Wei Huang, Tzu-Han Hsu, Ching-Yao Su, Hsuan-Ting Ho
  • Patent number: 8369396
    Abstract: A communication signal receiver includes an adder, a slicer, and an infinite impulse response (IIR) filter. The adder performs an addition on a first signal and a filtered signal to generate an output signal. The slicer performs a hard decision on the output signal to generate a detecting result. The IIR filter is coupled to the slicer and the adder for processing the output signal to generate the filtered signal. The communication signal receiver further includes a decoder. The decoder receives and decodes the output signal to generate a decoded output signal, wherein the decoder is a Viterbi decoder.
    Type: Grant
    Filed: May 19, 2010
    Date of Patent: February 5, 2013
    Assignee: Realtek Semiconductor Corp.
    Inventors: Liang-Wei Huang, Tzu-Han Hsu, Shieh-Hsing Kuo
  • Patent number: 8249204
    Abstract: A method for a mobile station to provide to a base station feedback of channel state information (CSI) regarding a plurality of communication channels between the mobile station and the base station. The method includes: estimating the CSI by calculating a plurality of channel responses each for one of the communication channels; compressing the estimated CSI; and sending the compressed CSI as the feedback to the base station.
    Type: Grant
    Filed: December 18, 2008
    Date of Patent: August 21, 2012
    Assignee: Industrial Technology Research Institute
    Inventors: Wen-Rong Wu, Tzu-Han Hsu, Jen-Yuan Hsu, Pang-An Ting
  • Publication number: 20120170735
    Abstract: A communication apparatus is disclosed including: an analog-front-end circuit for receiving and processing an analog input signal; an analog-to-digital converter (ADC) coupled with the analog-front-end circuit for converting processed signal from the analog-front-end circuit into a digital input signal; and a control unit coupled with the ADC for adjusting at least one resistance and/or at least one capacitance in an analog echo cancellation circuit according to the digital input signal before the analog-front-end circuit receives a training sequence that is the first training sequence transmitted from a second communication apparatus after the second communication apparatus begins communicating with the communication apparatus.
    Type: Application
    Filed: December 28, 2011
    Publication date: July 5, 2012
    Applicant: REALTEK SEMICONDUCTOR CORP.
    Inventors: Liang-Wei HUANG, Shieh-Hsing KUO, Jui-Yi LIU, Tzu-Han HSU
  • Publication number: 20120134372
    Abstract: A network device includes a first transceiver unit, a second transceiver unit and a control unit. The first transceiver unit is utilized for processing a data corresponding to a first physical (PHY) layer via a first interface. The second transceiver unit is utilized for processing a data corresponding to a second PHY layer via a second interface. The control unit is utilized for processing a data corresponding to a media access control (MAC) layer, wherein the control unit connects with at least one of the first transceiver unit and the second transceiver unit with reference to a connection scheme.
    Type: Application
    Filed: November 29, 2011
    Publication date: May 31, 2012
    Inventors: Liang-Wei Huang, Shieh-Hsing Kuo, Li-Han Liang, Tzu-Han Hsu
  • Publication number: 20110299578
    Abstract: A data transmitting and receiving device and method are used for saving powers and maintaining the connection quality, stability and continuous link. The method includes the step of gradually adjusting the de-emphasis of the signal transmitted from the data transmitting and receiving device according to the setting value thereof. The method also includes the steps of transmitting training sequence signal with an amplitude and the default de-emphasis by the data transmitting and receiving device to the remote device, receiving the training sequence signal from the remote device, thereby the channel attenuation is estimated using the method, and a better de-emphasis is set up. Then, the data transmitting and receiving device gradually increases the amplitude of the training sequence signal and re-transmits it until the remote device receives the training sequence signal transmitted therefrom.
    Type: Application
    Filed: May 27, 2011
    Publication date: December 8, 2011
    Applicant: REALTEK SEMICONDUCTOR CORP.
    Inventors: Liang-Wei Huang, Mei-Chao Yeh, Tzu-Han Hsu, Li-Han Liang
  • Publication number: 20100316112
    Abstract: A communication signal receiver includes an adder, a slicer, and an infinite impulse response (IIR) filter. The adder performs an addition on a first signal and a filtered signal to generate an output signal. The slicer performs a hard decision on the output signal to generate a detecting result. The IIR filter is coupled to the slicer and the adder for processing the output signal to generate the filtered signal. The communication signal receiver further includes a decoder. The decoder receives and decodes the output signal to generate a decoded output signal, wherein the decoder is a Viterbi decoder.
    Type: Application
    Filed: May 19, 2010
    Publication date: December 16, 2010
    Inventors: Liang-Wei Huang, Tzu-Han Hsu, Shieh-Hsing Kuo
  • Publication number: 20100008431
    Abstract: A method for a mobile station to provide to a base station feedback of channel state information (CSI) regarding a plurality of communication channels between the mobile station and the base station. The method includes: estimating the CSI by calculating a plurality of channel responses each for one of the communication channels; compressing the estimated CSI; and sending the compressed CSI as the feedback to the base station.
    Type: Application
    Filed: December 18, 2008
    Publication date: January 14, 2010
    Inventors: Wen-Rong Wu, Tzu-Han Hsu, Jen-Yuan Hsu, Pang-An Ting