Patents by Inventor Che Yuan Jao

Che Yuan Jao 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: 20230138324
    Abstract: The present invention provides a package including a first pad, a die and at least one package ESD component is disclosed. The first pad is configured to receive a signal from a device external to the package. The die comprises a second pad and an internal circuit, wherein the internal circuit is configured to receive the signal from the first pad via the second pad. The at least one ESD component is positioned outside the die.
    Type: Application
    Filed: September 5, 2022
    Publication date: May 4, 2023
    Applicant: MEDIATEK INC.
    Inventors: Yu-Cheng Liao, Bo-Shih Huang, Che-Yuan Jao, Yi-Chieh Lin
  • Patent number: 11258252
    Abstract: The present invention provides an on-chip surge protection circuit, including a low voltage rail, a negative transmitter differential output, a positive transmitter differential output, and a surge protection component. The surge protection component includes a first end, a second end, and a control end. The first end is connected to the transmitter differential output N. The second end is connected to the transmitter differential output P. The control end is connected to the low voltage rail.
    Type: Grant
    Filed: January 31, 2020
    Date of Patent: February 22, 2022
    Assignee: ECONET (HK) LIMITED
    Inventors: Cheng-Hsu Wu, Cheng-Chieh Hsu, Che-Yuan Jao, Hung-Wei Chen, Tsung-Hsien Hsieh
  • Publication number: 20210159693
    Abstract: The present invention provides an on-chip surge protection circuit, including a low voltage rail, a negative transmitter differential output, a positive transmitter differential output, and a surge protection component. The surge protection component includes a first end, a second end, and a control end. The first end is connected to the transmitter differential output N. The second end is connected to the transmitter differential output P. The control end is connected to the low voltage rail.
    Type: Application
    Filed: January 31, 2020
    Publication date: May 27, 2021
    Inventors: Cheng-Hsu WU, Cheng-Chieh HSU, Che-Yuan JAO, Hung-Wei CHEN, Tsung-Hsien HSIEH
  • Publication number: 20170315577
    Abstract: A control circuit comprising a driving circuit, which comprises a voltage adjusting circuit for generating a control voltage, and comprises a first transistor and a second transistor. The first transistor comprises: a first terminal; a second terminal; and a control terminal, for receiving a bias voltage generated from at least operating voltage of the control circuit. The second transistor comprises: a first terminal, coupled to a second terminal of the first transistor; a second terminal, for receiving a first predetermined voltage; and a control terminal, for receiving the control voltage. The control circuit further comprises: a candidate voltage selecting circuit, for outputting one of a plurality of candidate voltages; and a voltage selecting circuit, for outputting one of the candidate voltage output from the candidate voltage selecting circuit and a ground voltage as the bias voltage.
    Type: Application
    Filed: July 19, 2017
    Publication date: November 2, 2017
    Inventors: Che-Yuan Jao, Chen-Feng Chiang
  • Patent number: 9798345
    Abstract: A control circuit comprising a driving circuit, which comprises a voltage adjusting circuit for generating a control voltage, and comprises a first transistor and a second transistor. The first transistor comprises: a first terminal; a second terminal; and a control terminal, for receiving a bias voltage generated from at least operating voltage of the control circuit. The second transistor comprises: a first terminal, coupled to a second terminal of the first transistor; a second terminal, for receiving a first predetermined voltage; and a control terminal, for receiving the control voltage. The control circuit further comprises: a candidate voltage selecting circuit, for outputting one of a plurality of candidate voltages; and a voltage selecting circuit, for outputting one of the candidate voltage output from the candidate voltage selecting circuit and a ground voltage as the bias voltage.
    Type: Grant
    Filed: July 19, 2017
    Date of Patent: October 24, 2017
    Assignee: MEDIATEK INC.
    Inventors: Che-Yuan Jao, Chen-Feng Chiang
  • Patent number: 9746866
    Abstract: One embodiment of the present application discloses a control circuit comprising a driving circuit which comprises a voltage adjusting circuit, a first transistor and a second transistor. The first transistor comprises: a first terminal; a second terminal; and a control terminal, for receiving a bias voltage generated from at least operating voltage of the control circuit. The second transistor comprises: a first terminal, coupled to a second terminal of the first transistor; a second terminal, for receiving a first predetermined voltage; and a control terminal, for receiving the control voltage. A control system comprising the control circuit is also disclosed.
    Type: Grant
    Filed: January 19, 2015
    Date of Patent: August 29, 2017
    Assignee: MEDIATEK INC.
    Inventors: Che-Yuan Jao, Chen-Feng Chiang
  • Publication number: 20170093152
    Abstract: An ESD protected IC includes: at least one functional circuitry, coupled to a first voltage supply and a second voltage supply, the functional circuitry including at least one functional package ball; and at least one ESD detection circuit, coupled to the second voltage supply, the ESD detection circuit free of being coupled to the first voltage supply, and further free of being coupled to the functional package ball of the functional circuitry.
    Type: Application
    Filed: September 21, 2016
    Publication date: March 30, 2017
    Inventors: Che-Yuan Jao, Bo-Shih Huang
  • Patent number: 9344086
    Abstract: A receiving circuit for a core circuit is provided and includes a first receiving-path unit. The first receiving-path unit is capable of receiving an input signal and outputting an output signal to the core circuit according to the input signal. The first receiving-path unit includes an input buffer which is capable of operating in a core power domain of the core circuit and receiving a first clamped signal. When a level of the input signal is substantially equal to or lower than a first predetermined voltage level, the input signal is passed to the input buffer to serve as the first clamped signal, and the input buffer is capable of outputting the output signal in the core power domain according to the first clamped signal. When the level of the input signal is higher than the first predetermined voltage level, the input signal is not passed to the input buffer.
    Type: Grant
    Filed: February 5, 2014
    Date of Patent: May 17, 2016
    Assignee: MEDIATEK INC
    Inventor: Che-Yuan Jao
  • Publication number: 20150338870
    Abstract: One embodiment of the present application discloses a control circuit comprising a driving circuit which comprises a voltage adjusting circuit, a first transistor and a second transistor. The first transistor comprises: a first terminal; a second terminal; and a control terminal, for receiving a bias voltage generated from at least operating voltage of the control circuit. The second transistor comprises: a first terminal, coupled to a second terminal of the first transistor; a second terminal, for receiving a first predetermined voltage; and a control terminal, for receiving the control voltage. A control system comprising the control circuit is also disclosed.
    Type: Application
    Filed: January 19, 2015
    Publication date: November 26, 2015
    Inventors: Che-Yuan Jao, Chen-Feng Chiang
  • Publication number: 20140152368
    Abstract: A receiving circuit for a core circuit is provided and includes a first receiving-path unit. The first receiving-path unit is capable of receiving an input signal and outputting an output signal to the core circuit according to the input signal. The first receiving-path unit includes an input buffer which is capable of operating in a core power domain of the core circuit and receiving a first clamped signal. When a level of the input signal is substantially equal to or lower than a first predetermined voltage level, the input signal is passed to the input buffer to serve as the first clamped signal, and the input buffer is capable of outputting the output signal in the core power domain according to the first clamped signal. When the level of the input signal is higher than the first predetermined voltage level, the input signal is not passed to the input buffer.
    Type: Application
    Filed: February 5, 2014
    Publication date: June 5, 2014
    Applicant: MediaTek Inc.
    Inventor: Che-Yuan JAO
  • Patent number: 8692605
    Abstract: A receiving circuit for a core circuit is provided and includes a first receiving-path unit. The first receiving-path unit is capable of receiving an input signal and outputting an output signal to the core circuit according to the input signal. The first receiving-path unit includes an input buffer which is capable of operating in a core power domain of the core circuit and receiving a first clamped signal. When a level of the input signal is substantially equal to or lower than a first predetermined voltage level, the input signal is passed to the input buffer to serve as the first clamped signal, and the input buffer is capable of outputting the output signal in the core power domain according to the first clamped signal. When the level of the input signal is higher than the first predetermined voltage level, the input signal is not passed to the input buffer.
    Type: Grant
    Filed: June 27, 2011
    Date of Patent: April 8, 2014
    Assignee: Mediatek Inc.
    Inventor: Che-Yuan Jao
  • Patent number: 8525310
    Abstract: A semiconductor package includes a die pad; a semiconductor die mounted on the die pad; a plurality of leads disposed along peripheral edges of the die pad; a ground bar between the leads and the die pad; and a plurality of bridges connecting the ground bar with the die pad, wherein a gap between two adjacent bridges has a length that is equal to or less than 3 mm.
    Type: Grant
    Filed: April 12, 2011
    Date of Patent: September 3, 2013
    Assignee: Mediatek Inc.
    Inventors: Nan-Jang Chen, Chun-Wei Chang, Sheng-Ming Chang, Che-Yuan Jao, Ching-Chih Li, Nan-Cheng Chen
  • Publication number: 20120326753
    Abstract: A receiving circuit for a core circuit is provided and includes a first receiving-path unit. The first receiving-path unit is capable of receiving an input signal and outputting an output signal to the core circuit according to the input signal. The first receiving-path unit includes an input buffer which is capable of operating in a core power domain of the core circuit and receiving a first clamped signal. When a level of the input signal is substantially equal to or lower than a first predetermined voltage level, the input signal is passed to the input buffer to serve as the first clamped signal, and the input buffer is capable of outputting the output signal in the core power domain according to the first clamped signal. When the level of the input signal is higher than the first predetermined voltage level, the input signal is not passed to the input buffer.
    Type: Application
    Filed: June 27, 2011
    Publication date: December 27, 2012
    Applicant: MEDIATEK INC.
    Inventor: Che-Yuan Jao
  • Patent number: 8258615
    Abstract: The present invention provides a semiconductor device capable of eliminating voltage (IR) drop of a semiconductor die inside the semiconductor device and a fabricating method of the semiconductor device. The semiconductor device comprises the semiconductor die, and the semiconductor die comprises a first surface area, a plurality of first pads potentially equivalent to each other, a passivation layer, a plurality of first openings, and a first conducting medium layer. The passivation layer is disposed on the plurality of first pads. The plurality of first openings is formed on the passivation layer, and utilized for exposing the plurality of first pads. The first conducting medium layer is formed on the first surface area, and utilized for fulfilling the plurality of first openings to connect the plurality of first pads.
    Type: Grant
    Filed: February 20, 2009
    Date of Patent: September 4, 2012
    Assignee: Mediatek Inc.
    Inventors: Sheng-Ming Chang, Che-Yuan Jao, Ching-Chih Li
  • Patent number: 8050129
    Abstract: An electrically programmable fuse (e-fuse) apparatus includes an e-fuse macro and a switch device. The e-fuse macro is disposed in an integrated circuit, and has a plurality of e-fuse units. The switch device is disposed in the integrated circuit, and has an output node coupled to the e-fuse units and a first input node coupled to a first power source which supplies a first reference voltage acting as a programming voltage of the e-fuse macro. The switch device connects the first power source to the e-fuse units when the e-fuse macro is operated under a programming mode.
    Type: Grant
    Filed: June 25, 2009
    Date of Patent: November 1, 2011
    Assignee: Mediatek Inc.
    Inventors: Chia-Hsien Liu, Rei-Fu Huang, Chien-Chung Chen, Che-Yuan Jao
  • Publication number: 20110248394
    Abstract: A semiconductor package includes a die pad; a semiconductor die mounted on the die pad; a plurality of leads disposed along peripheral edges of the die pad; a ground bar between the leads and the die pad; and a plurality of bridges connecting the ground bar with the die pad, wherein a gap between two adjacent bridges has a length that is equal to or less than 3 mm.
    Type: Application
    Filed: April 12, 2011
    Publication date: October 13, 2011
    Inventors: Nan-Jang Chen, Chun-Wei Chang, Sheng-Ming Chang, Che-Yuan Jao, Ching-Chih Li, Nan-Cheng Chen
  • Publication number: 20110241206
    Abstract: A semiconductor device is provided by the present invention. The semiconductor device includes a first semiconductor die comprising at least a first bond pad; and a second semiconductor die comprising at least a second bond pad with voltage level equivalent to the first bond pad of the first semiconductor die; wherein the first bond pad of the first semiconductor die is electrically connected to the second bond pad of the second semiconductor die via at least a bond wire. The semiconductor device of the present invention is capable of solving the IR drop of the semiconductor die with low cost.
    Type: Application
    Filed: June 21, 2011
    Publication date: October 6, 2011
    Inventors: Che-Yuan Jao, Sheng-Ming Chang
  • Patent number: 7880297
    Abstract: A semiconductor chip includes a die mounted on a packaging substrate. The die includes a semiconductor substrate; inter-metal dielectric layers on the semiconductor substrate; levels of metal interconnection, wherein at least two potential equivalent metal traces are formed in a level of the metal interconnection; a passivation layer disposed over the two metal traces, wherein two openings are formed in the passivation layer to expose portions of the two metal traces; a conductive member externally mounted on the passivation layer between the two openings; and a redistribution layer formed over the conductive member.
    Type: Grant
    Filed: May 8, 2008
    Date of Patent: February 1, 2011
    Assignee: Mediatek Inc.
    Inventors: Che-Yuan Jao, Sheng-Ming Chang, Ching-Chih Li
  • Publication number: 20100328987
    Abstract: An electrically programmable fuse (e-fuse) apparatus includes an e-fuse macro and a switch device. The e-fuse macro is disposed in an integrated circuit, and has a plurality of e-fuse units. The switch device is disposed in the integrated circuit, and has an output node coupled to the e-fuse units and a first input node coupled to a first power source which supplies a first reference voltage acting as a programming voltage of the e-fuse macro. The switch device connects the first power source to the e-fuse units when the e-fuse macro is operated under a programming mode.
    Type: Application
    Filed: June 25, 2009
    Publication date: December 30, 2010
    Inventors: Chia-Hsien Liu, Rei-Fu Huang, Chien-Chung Chen, Che-Yuan Jao
  • Patent number: 7830005
    Abstract: An integrated circuit includes: a substrate; and a bond pad array on the substrate. The bond pad array includes: a row of inner bond pads, each inner bond pad positioned with respect to a plurality of inner pad openings; a plurality of first inner metal layers respectively coupled to the inner bond pads for transmitting signals between the inner pads and an internal circuit, where at least one first inner metal layer has a width less than a width of a corresponding inner bond pad; a row of outer bond pads, staggered with respect to the row of inner bond pads; and a plurality of first outer metal layers respectively coupled to the outer bond pads for transmitting signals between the outer pads and the internal circuit, where at least one inner bond pad overlaps adjacent first outer metal layers.
    Type: Grant
    Filed: November 12, 2008
    Date of Patent: November 9, 2010
    Assignee: Mediatek Inc.
    Inventors: Chuan-Cheng Hsiao, Hung-Sung Li, I-Cheng Lin, Che-Yuan Jao