Patents by Inventor Lee Chung Lu

Lee Chung Lu 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: 20220368318
    Abstract: A circuit includes first and second power nodes having differing first and second voltage levels, and a reference node having a reference voltage level. A master latch outputs a first data bit based on a received data bit; a slave latch includes a first inverter that outputs a second data bit based on the first data bit and a second inverter that outputs an output data bit based on a selected one of the first data bit or a third data bit; a level shifter outputs the third data bit based on a fourth data bit; and a retention latch outputs the fourth data bit based on the second data bit. The first and second inverters and the level shifter are coupled between the first power node and the reference node, and the retention latch includes a plurality of transistors coupled between the second power node and the reference node.
    Type: Application
    Filed: July 28, 2022
    Publication date: November 17, 2022
    Inventors: Kai-Chi HUANG, Yung-Chen CHIEN, Chi-Lin LIU, Wei-Hsiang MA, Jerry Chang Jui KAO, Shang-Chih HSIEH, Lee-Chung LU
  • Publication number: 20220367358
    Abstract: An integrated circuit includes a cell that is between a substrate and a supply conductive line and that includes a source region, a contact conductive line, a power conductive line, and a power via. The contact conductive line extends from the source region. The power conductive line is coupled to the contact conductive line. The power via interconnects the supply conductive line and the power conductive line.
    Type: Application
    Filed: July 29, 2022
    Publication date: November 17, 2022
    Inventors: Sheng-Hsiung Chen, Chung-Hsing Wang, Fong-yuan Chang, Lee-Chung Lu, Li-Chun Tien, Po-Hsiang Huang, Shao-huan Wang, Ting Yu Chen, Yen-Pin Chen, Chun-Chen Chen, Tzu-Hen Lin, Tai-Yu Cheng
  • Patent number: 11495619
    Abstract: An integrated circuit device includes a device layer having devices spaced in accordance with a predetermined device pitch, a first metal interconnection layer disposed above the device layer and coupled to the device layer, and a second metal interconnection layer disposed above the first metal interconnection layer and coupled to the first metal interconnection layer through a first via layer. The second metal interconnection layer has metal lines spaced in accordance with a predetermined metal line pitch, and a ratio of the predetermined metal line pitch to predetermined device pitch is less than 1.
    Type: Grant
    Filed: November 24, 2020
    Date of Patent: November 8, 2022
    Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Fong-yuan Chang, Chun-Chen Chen, Po-Hsiang Huang, Lee-Chung Lu, Chung-Te Lin, Jerry Chang Jui Kao, Sheng-Hsiung Chen, Chin-Chou Liu
  • Publication number: 20220321126
    Abstract: A circuit includes an input circuit, a level shifter circuit, an output circuit, and a first and a second feedback circuit. The input circuit is coupled to a first voltage supply, and configured to receive a first input signal, and to generate at least a second input signal. The level shifter circuit is coupled to a second voltage supply, and configured to generate at least a first and second signal responsive to at least the enable signal or the first input signal. The output circuit is coupled to at least the level shifter circuit and the second voltage supply, and configured to generate at least an output signal, a first and second feedback signal responsive to the first signal. The first and second feedback circuit are configured to receive the enable signal, and the inverted enable signal, and the corresponding first and second feedback signal.
    Type: Application
    Filed: June 8, 2022
    Publication date: October 6, 2022
    Inventors: Yu-Lun OU, Ji-Yung LIN, Yung-Chen CHIEN, Ruei-Wun SUN, Wei-Hsiang MA, Jerry Chang Jui KAO, Shang-Chih HSIEH, Lee-Chung LU
  • Patent number: 11461528
    Abstract: An integrated circuit structure includes a first, a second and a third set of conductive structures and a first and a second set of vias. The first set of conductive structures extend in a first direction, and is located at a first level. The second set of conductive structures extends in a second direction, overlaps the first set of conductive structures, and is located at a second level. The first set of vias is between, and electrically couples the first and the second set of conductive structures. The third set of conductive structures extends in the first direction, overlaps the second set of conductive structures, covers a portion of the first set of conductive structures, and is located at a third level. The second set of vias is between, and electrically couples the second and the third set of conductive structures.
    Type: Grant
    Filed: June 22, 2020
    Date of Patent: October 4, 2022
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Jung-Chan Yang, Ting-Wei Chiang, Jerry Chang-Jui Kao, Hui-Zhong Zhuang, Lee-Chung Lu, Li-Chun Tien, Meng-Hung Shen, Shang-Chih Hsieh, Chi-Yu Lu
  • Publication number: 20220310480
    Abstract: Packaged semiconductor devices including high-thermal conductivity molding compounds and methods of forming the same are disclosed. In an embodiment, a semiconductor device includes a first redistribution structure; a first die over and electrically coupled to the first redistribution structure; a first through via over and electrically coupled to the first redistribution structure; an insulation layer extending along the first redistribution structure, the first die, and the first through via; and an encapsulant over the insulation layer, the encapsulant surrounding portions of the first through via and the first die, the encapsulant including conductive fillers at a concentration ranging from 70% to about 95% by volume.
    Type: Application
    Filed: August 2, 2021
    Publication date: September 29, 2022
    Inventors: Xinyu Bao, Lee-Chung Lu, Jyh Chwen Frank Lee, Fong-yuan Chang, Sam Vaziri, Po-Hsiang Huang
  • Patent number: 11456728
    Abstract: A circuit includes first and second power domains. The first power domain has a first power supply voltage level and includes a master latch, a first level shifter, and a slave latch coupled between the master latch and the first level shifter. The second power domain has a second power supply voltage level different from the first power supply voltage level and includes a retention latch coupled between the slave latch and the first level shifter, and the retention latch includes a second level shifter.
    Type: Grant
    Filed: May 7, 2021
    Date of Patent: September 27, 2022
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Kai-Chi Huang, Yung-Chen Chien, Chi-Lin Liu, Wei-Hsiang Ma, Jerry Chang Jui Kao, Shang-Chih Hsieh, Lee-Chung Lu
  • Publication number: 20220293492
    Abstract: A memory macro structure includes a first memory array, a second memory array, a cell activation circuit coupled to the first and second memory arrays and positioned between the first and second memory arrays, a control circuit coupled to the cell activation circuit and positioned adjacent to the cell activation circuit, and a through-silicon via (TSV) extending through one of the cell activation circuit or the control circuit.
    Type: Application
    Filed: March 23, 2021
    Publication date: September 15, 2022
    Inventors: Hidehiro FUJIWARA, Tze-Chiang HUANG, Hong-Chen CHENG, Yen-Huei CHEN, Hung-Jen LIAO, Jonathan Tsung-Yung CHANG, Yun-Han LEE, Lee-Chung LU
  • Patent number: 11437319
    Abstract: An integrated circuit includes a cell that is between a substrate and a supply conductive line and that includes a source region, a contact conductive line, a power conductive line, and a power via. The contact conductive line extends from the source region. The power conductive line is coupled to the contact conductive line. The power via interconnects the supply conductive line and the power conductive line.
    Type: Grant
    Filed: October 8, 2020
    Date of Patent: September 6, 2022
    Assignee: Taiwan Semiconductor Manufacturing Company Limited
    Inventors: Sheng-Hsiung Chen, Chung-Hsing Wang, Fong-yuan Chang, Lee-Chung Lu, Li-Chun Tien, Po-Hsiang Huang, Shao-huan Wang, Ting Yu Chen, Yen-Pin Chen, Chun-Chen Chen, Tzu-Hen Lin, Tai-Yu Cheng
  • Publication number: 20220271025
    Abstract: An IC device includes a first active area extending away from a first endpoint in a first direction, a second active area extending away from a second endpoint in the first direction, a third active area positioned between the first and second active areas, and a gate structure perpendicular to the first through third active areas. The gate structure overlies each of the first and second endpoints and the third active area, and the third active area extends away from the gate structure in a second direction opposite the first direction.
    Type: Application
    Filed: May 9, 2022
    Publication date: August 25, 2022
    Inventors: Chien-Ying CHEN, Lee-Chung LU, Li-Chun TIEN, Ta-Pen GUO
  • Publication number: 20220239286
    Abstract: A semiconductor device and a method of operating a semiconductor device are provided. The semiconductor device includes a first latching circuit and a second latching circuit coupled to the first latching circuit. The second latching circuit includes a first feedback circuit and a first transmission circuit, the first feedback circuit configured to receive a first clock signal of a first phase and a second clock signal of a second phase, and the first transmission circuit configured to receive the second clock signal and a third clock signal of a third phase. The first feedback circuit is configured to be turned off by the first clock signal and the second clock signal before the first transmission circuit is turned on by the second clock signal and the third clock signal.
    Type: Application
    Filed: June 3, 2021
    Publication date: July 28, 2022
    Inventors: Yung-Chen CHIEN, Xiangdong CHEN, Hui-Zhong ZHUANG, Tzu-Ying LIN, Jerry Chang Jui KAO, Lee-Chung LU
  • Patent number: 11362660
    Abstract: A circuit includes a level shifter circuit, an output circuit, an enable circuit, a first and a second feedback circuit. The level shifter circuit is coupled to a first voltage supply, and is configured to generate at least a first and a second signal responsive to at least the first enable signal or the first input signal. The output circuit is coupled to at least the level shifter circuit and the first voltage supply, and configured to receive the first and the second signal. The enable circuit is configured to generate a second enable signal responsive to the first enable signal. The first feedback circuit is configured to receive the first enable signal, the second enable signal and the first feedback signal. The second feedback circuit is configured to receive the first enable signal, the second enable signal and the second feedback signal.
    Type: Grant
    Filed: May 17, 2021
    Date of Patent: June 14, 2022
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Yu-Lun Ou, Ji-Yung Lin, Yung-Chen Chien, Ruei-Wun Sun, Wei-Hsiang Ma, Jerry Chang Jui Kao, Shang-Chih Hsieh, Lee-Chung Lu
  • Patent number: 11355488
    Abstract: A method of generating a layout diagram of an IC cell includes defining a boundary recess in a boundary of the cell by extending a first portion of the boundary along a first gate track, extending a second portion of the boundary from the first gate track to a second gate track, the second portion being contiguous with the first portion, and extending a third portion of the boundary from the first gate track to the second gate track, the third portion being contiguous with the first portion. An active region is positioned in the cell by extending the active region across a third gate track, wherein the first gate track is between the second gate track and the third gate track. The layout diagram is stored on a non-transitory computer-readable medium.
    Type: Grant
    Filed: July 22, 2020
    Date of Patent: June 7, 2022
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Chien-Ying Chen, Lee-Chung Lu, Li-Chun Tien, Ta-Pen Guo
  • Publication number: 20220149020
    Abstract: A package structure includes a solder feature, a first redistribution layer structure on the solder feature, and a die mounted on and electrically coupled to the first redistribution layer structure. The first redistribution layer structure includes one or more dielectric layers filled with a heat conductive dielectric material.
    Type: Application
    Filed: July 6, 2021
    Publication date: May 12, 2022
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Fong-yuan CHANG, Lee-Chung Lu, Jyh Chwen Frank Lee, Po-Hsiang Huang, Xinyu Bao, Sam Vaziri
  • Patent number: 11281836
    Abstract: A semiconductor device includes active areas formed as predetermined shapes on a substrate. The device also includes a first structure having at least two contiguous rows including: at least one instance of the first row, and at least one instance of the second row. The device also includes the first structure being configured such that: each of the at least one instance of the first row in the first structure having a first width in the first direction; and each of the at least one instance of the second row in the first structure having a second width in the first direction, the second width being substantially different than the first width. The device also includes a second structure having an odd number of contiguous rows including: an even number of instances of the first row, and an odd number of instances of the second row.
    Type: Grant
    Filed: April 5, 2021
    Date of Patent: March 22, 2022
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Fong-Yuan Chang, Jyun-Hao Chang, Sheng-Hsiung Chen, Ho Che Yu, Lee-Chung Lu, Ni-Wan Fan, Po-Hsiang Huang, Chi-Yu Lu, Jeo-Yen Lee
  • Publication number: 20220028842
    Abstract: A semiconductor package includes a first package component comprising: a first semiconductor die; a first encapsulant around the first semiconductor die; and a first redistribution structure electrically connected to the semiconductor die. The semiconductor package further includes a second package component bonded to the first package component, wherein the second package component comprises a second semiconductor die; a heat spreader between the first semiconductor die and the second package component; and a second encapsulant between the first package component and the second package component, wherein the second encapsulant has a lower thermal conductivity than the heat spreader.
    Type: Application
    Filed: January 25, 2021
    Publication date: January 27, 2022
    Inventors: Fong-yuan Chang, Po-Hsiang Huang, Lee-Chung Lu, Jyh Chwen Frank Lee, Yii-Chian Lu, Yu-Hao Chen, Keh-Jeng Chang
  • Publication number: 20210384121
    Abstract: A method (of manufacturing a semiconductor device) includes: forming via structures in a first via layer over a transistor layer; forming a first via structure of a first deep via arrangement in the first via layer; forming conductive segments in a first metallization layer over the first via layer; forming M_1st routing segments at least a majority of which, relative to a first direction, have corresponding long axes with lengths which at least equal if not exceed a first permissible minimum value for routing segments in the first metallization layer; forming an M_1st interconnection segment having a long axis which is less than the first permissible minimum value and which is included in the first deep via arrangement; and forming via structures in a second via layer over the first metallization layer, including forming a first via structure of the first deep via arrangement in the second via layer.
    Type: Application
    Filed: August 24, 2021
    Publication date: December 9, 2021
    Inventors: Ta-Pen GUO, Chien-Ying CHEN, Li-Chun TIEN, Lee-Chung LU
  • Publication number: 20210374323
    Abstract: An IC structure includes a first cell and a first and second rail. The first cell includes a first and second active region and a first, a second and a third gate structure. The first active region having a first dopant type. The second active region having a second dopant type. The first gate structure extending in a second direction, overlapping the first or the second active region. The second gate structure extending in the second direction, and overlapping a first edge of the first or second active region. The third gate structure extending in the second direction, and overlapping at least a second edge of the first or second active region. The first rail extending in the first direction and overlapping a middle portion of the first active region. The second rail extending in the first direction and overlapping a middle portion of the second active region.
    Type: Application
    Filed: August 17, 2021
    Publication date: December 2, 2021
    Inventors: Hui-Zhong ZHUANG, Ting-Wei CHIANG, Li-Chun TIEN, Shun Li CHEN, Lee-Chung LU
  • Publication number: 20210357565
    Abstract: A method of generating an IC layout diagram includes abutting a first row of cells with a second row of cells along a border, the first row including first and second active sheets, the second row including third and fourth active sheets, the active sheets extending along a row direction and having width values. The active sheets are overlapped with first through fourth back-side via regions, the first active sheet width value is greater than the third active sheet width value, a first back-side via region width values is greater than a third back-side via region width value, and a value of a distance from the first active sheet to the border is less than a minimum spacing rule for metal-like defined regions. At least one of abutting the first row with the second row or overlapping the active sheets with the back-side via regions is performed by a processor.
    Type: Application
    Filed: January 13, 2021
    Publication date: November 18, 2021
    Inventors: Shang-Wei FANG, Kam-Tou SIO, Wei-Cheng LIN, Jiann-Tyng TZENG, Lee-Chung LU, Yi-Kan CHENG, Chung-Hsing WANG
  • Patent number: 11177256
    Abstract: A semiconductor device includes fins extending substantially parallel to a first direction, at least one of the fins being a dummy fin; and at least one of the fins being an active fin; and at least one gate structure formed over corresponding ones of the fins and extending substantially parallel to a second direction, the second direction being substantially perpendicular to the first direction; wherein the fins and the at least one gate structure are located in a cell region which includes an odd number of fins. In an embodiment, the cell region is substantially rectangular and has first and second edges which are substantially parallel to the first direction; and neither of the first and second edges overlaps any of the fins.
    Type: Grant
    Filed: June 5, 2019
    Date of Patent: November 16, 2021
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Hui-Zhong Zhuang, Ting-Wei Chiang, Chung-Te Lin, Lee-Chung Lu, Li-Chun Tien, Ting Yu Chen