Patents by Inventor Cheng-Han Lee

Cheng-Han Lee 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).

  • Touch Sensitive Processing Apparatus, Method and Electronic System
    Publication number: 20180120979
    Abstract: A touch sensitive processing apparatus is used to detect at least one object approximating or touching a touch screen. The touch screen includes: multiple neighboring first electrodes and multiple neighboring second electrodes which are parallel to a first axis; and multiple neighboring third electrodes and multiple neighboring fourth electrodes which are parallel to a second axis. Each of the first electrodes intersects with the third electrodes to form multiple intersection areas, each of the second electrodes intersects with the fourth electrodes to form multiple intersection areas.
    Type: Application
    Filed: November 3, 2017
    Publication date: May 3, 2018
    Inventors: SHANG-TAI YEH, CHENG-HAN LEE
  • TOUCH SENSITIVE PROCESSING APPARATUS, METHOD AND ELECTRONIC SYSTEM
    Publication number: 20180121016
    Abstract: A touch sensitive processing apparatus includes: a driving circuit for connecting to multiple first electrodes, respectively; a sensing circuit for connecting to multiple second electrodes, respectively; and a processor configured for executing multiple sets of first round mutual capacitive detecting steps. Each set of the first round mutual capacitive detecting step further includes: having the driving circuit sending a driving signal to neighboring N first electrodes, where N is a positive integer larger than 1; and having the sensing circuit simultaneously detecting the driving signal via the second electrodes for generating multiple first round sensing information with respective to the set of first round mutual capacitive detecting step. Each of the first round sensing information corresponds to an intersection of central line of the N first electrodes and the second electrode.
    Type: Application
    Filed: November 3, 2017
    Publication date: May 3, 2018
    Inventors: SHANG-TAI YEH, CHENG-HAN LEE
  • Touch Sensitive Processing Apparatus, Method and Electronic System
    Publication number: 20180121015
    Abstract: A touch sensitive processing apparatus is used to detect at least one object approximating or touching a touch screen and is configured for iteratively executing the following steps: having a driving circuit simultaneously sending a driving signal to two or more first electrodes, wherein at least one of the two or more first electrodes intersects with multiple second electrodes to form multiple intersection areas, the other of the two or more first electrodes intersects with multiple third electrodes to form multiple intersection areas; and having a sensing circuit simultaneously sensing the driving signal via the second electrodes to generate a one-dimensional sensing information and having the sensing circuit simultaneously sensing the driving signal via the third electrodes to generate another one-dimensional sensing information.
    Type: Application
    Filed: November 3, 2017
    Publication date: May 3, 2018
    Inventors: SHANG-TAI YEH, CHENG-HAN LEE
  • Touch Panel, Touch Screen and Electronic System
    Publication number: 20180120978
    Abstract: A touch panel includes: multiple first electrodes parallel to a first axis; multiple second electrodes parallel to a second axis; and multiple third electrodes parallel to the second axis. Each of the first electrodes is arranged to be spanned on the touch panel and intersects with the multiple second electrodes or the multiple third electrodes to form multiple intersection areas.
    Type: Application
    Filed: November 3, 2017
    Publication date: May 3, 2018
    Inventors: SHANG-TAI YEH, CHENG-HAN LEE
  • FinFET EPI Channels Having Different Heights on a Stepped Substrate
    Publication number: 20180114729
    Abstract: A structure includes a stepped crystalline substrate that includes an upper step, a lower step, and a step rise. A first fin includes a crystalline structure having a first lattice constant. The first fin is formed over the lower step. A second fin includes a crystalline structure having a second lattice constant, the second lattice constant being different than the first lattice constant. The second fin can be formed over the upper step apart from the first fin. A second crystalline structure can be formed over the first crystalline structure and the tops of the fins aligned. The first and second fins can be made of the same material, but with different heights and different channel strain values. The first fin can be used as an NMOS fin and the second fin can be used as a PMOS fin of a CMOS FinFET.
    Type: Application
    Filed: October 24, 2016
    Publication date: April 26, 2018
    Inventors: Cheng-Han Lee, Chih-Yu Ma, Shih-Chieh Chang
  • STRUCTURE OF SEMICONDUCTOR DEVICE WITH SOURCE/DRAIN STRUCTURES
    Publication number: 20180108775
    Abstract: Structures of a semiconductor device are provided. The semiconductor device includes a substrate, a gate structure over the substrate, and a first recess and a second recess in the substrate and at opposite sides of the gate structure. The semiconductor device also includes two source/drain structures over the first recess and the second recess respectively. At least one of the source/drain structures includes a first doped region partially filling in the first recess, a second doped region over the first doped region, and a third doped region over the second doped region. The second doped region contains more dopants than the first doped region or the third doped region.
    Type: Application
    Filed: October 13, 2016
    Publication date: April 19, 2018
    Applicant: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Shahaji B. MORE, Zheng-Yang PAN, Chun-Chieh WANG, Cheng-Han LEE, Shih-Chieh CHANG
  • Touch Sensitive Electronic Device, Touch Sensitive Processing Apparatus and Method Thereof
    Publication number: 20180081488
    Abstract: A touch sensitive processing apparatus comprises a touch sensitive interface for connecting electrodes of a touch screen to detect a proximity/touch event; a host interface for reporting the proximity/touch event; a halt interface; and an embedded processor configured for commanding the touch sensitive interface to cease detecting proximity/touch events and the host interface to cease reporting proximity/touch events if the halt interface is set in a first logic state.
    Type: Application
    Filed: September 19, 2017
    Publication date: March 22, 2018
    Inventors: Cheng-Han Lee, Chi-Hao Tang
  • Capacitive controller and sensor
    Patent number: 9916052
    Abstract: The present invention provides a capacitive controller for detecting at least one detecting plate and at least one reference plate surrounding each detecting plate. All of the reference plates are electrically coupled to the same first wire, and each reference plate is electrically coupled to a second wire. When an electrical signal is provided to the first wire and each second wire, one or more detecting plates touched or approached can be detected simultaneously based on the signal difference between each second wire and the first wire.
    Type: Grant
    Filed: December 1, 2015
    Date of Patent: March 13, 2018
    Assignee: EGALAX_EMPIA TECHNOLOGY INC.
    Inventor: Cheng-Han Lee
  • ANTENNA STRUCTURE AND WIRELESS COMMUNICATION DEVICE USING SAME
    Publication number: 20180026349
    Abstract: An antenna structure includes a metal housing, a first feed source, and a first switching circuit. The metal housing includes a front frame, a backboard, and a side frame. The side frame defines a slot and the front frame defines a first gap and a second gap. The metal housing is divided into at least a first branch and a second branch by the slot, the first gap, and the second gap. The first feed source is electrically connected to the first branch. One end of the first switching circuit is electrically connected to the first branch. Another end of the first switching circuit is grounded.
    Type: Application
    Filed: July 17, 2017
    Publication date: January 25, 2018
    Inventors: CHENG-HAN LEE, YI-WEN HSU, WEI-XUAN YE
  • ANTENNA STRUCTURE AND WIRELESS COMMUNICATION DEVICE USING SAME
    Publication number: 20180026344
    Abstract: An antenna structure includes a metal housing, a first radiator, and an isolating portion. The metal housing includes a front frame, a backboard, and a side frame. The side frame is positioned between the front frame and the backboard. The side frame defines a slot and the front frame defines a gap. The gap communicates with the slot and extends across the front frame. The metal housing is divided into at least a long portion and a short portion by the slot and the gap. The first radiator is positioned adjacent to the short portion. The isolating portion is connected to the first radiator to improve isolation between the short portion and the first radiator.
    Type: Application
    Filed: July 12, 2017
    Publication date: January 25, 2018
    Inventors: CHENG-HAN LEE, YI-WEN HSU, WEI-XUAN YE
  • ANTENNA STRUCTURE AND WIRELESS COMMUNICATION DEVICE USING SAME
    Publication number: 20180026360
    Abstract: An antenna structure includes a metallic member, a first radiator, and an isolating portion. The metallic member includes a front frame, a backboard, and a side frame. The side frame includes at least a top portion, a first side portion, and a second side portion. The isolating portion is electrically connected to the first radiator. The side frame defines a slot and the slot is defined on the top portion. The front frame defines a gap. The gap communicates with the slot and extends across the front frame. The first portion of the front frame from a first side of the gap to a first end of the slot forms a short portion. The first radiator is positioned adjacent to the short portion and the isolation portion improves isolation between the short portion and the first radiator.
    Type: Application
    Filed: June 18, 2017
    Publication date: January 25, 2018
    Inventors: CHENG-HAN LEE, YI-WEN HSU, WEI-XUAN YE
  • ANTENNA STRUCTURE AND WIRELESS COMMUNICATION DEVICE USING SAME
    Publication number: 20180026346
    Abstract: An antenna structure includes a metal housing, a first feed source, and a first radiator. The metal housing includes a front frame, a backboard, and a side frame. The side frame defines a slot and the front frame defines a gap. The metal housing is divided into at least a long portion and a short portion by the slot and the gap. The radiator is positioned in the housing and includes a first radiating portion and a second radiating portion. One end of the first radiating portion is electrically connected to the first feed source and another end of the first radiating portion is spaced apart from the long portion. One end of the second radiating portion is electrically connected to the first feed source and another end of the second radiating portion is spaced apart from the short portion.
    Type: Application
    Filed: July 12, 2017
    Publication date: January 25, 2018
    Inventors: CHENG-HAN LEE, YI-WEN HSU, WEI-XUAN YE
  • ANTENNA STRUCTURE AND WIRELESS COMMUNICATION DEVICE USING SAME
    Publication number: 20180026348
    Abstract: An antenna structure includes a metal housing, a first feed source, a first ground portion, and a first switching circuit. The metal housing includes a front frame, a backboard, and a side frame. The side frame defines a slot and the front frame defines a first gap and a second gap. The metal housing is divided into at least a first portion by the slot, the first gap, and the second gap. The first feed source is electrically connected to the first portion for supplying current to the first portion. The first ground portion is electrically connected to the first portion for grounding the first portion. One end of the first switching circuit is electrically connected to the first portion. Another end of the first switching circuit is grounded.
    Type: Application
    Filed: July 17, 2017
    Publication date: January 25, 2018
    Inventors: CHENG-HAN LEE, YI-WEN HSU, WEI-XUAN YE
  • ANTENNA STRUCTURE AND WIRELESS COMMUNICATION DEVICE USING SAME
    Publication number: 20180026345
    Abstract: An antenna structure includes a metal housing, a first feed source, and a first radiator. The metal housing includes a front frame, a backboard, and a side frame. The side frame defines a slot and the front frame defines a gap. The metal housing is divided into at least a long portion and a short portion by the slot and the gap. The first radiator is positioned in the housing and includes a first radiating portion and a second radiating portion. One end of the first radiating portion is electrically connected to the first feed source and another end of the first radiating portion is spaced apart from the long portion. One end of the second radiating portion is electrically connected to the first feed source and another end of the second radiating portion is electrically connected to the short portion.
    Type: Application
    Filed: July 12, 2017
    Publication date: January 25, 2018
    Inventors: CHENG-HAN LEE, YI-WEN HSU, WEI-XUAN YE
  • ANTENNA STRUCTURE AND WIRELESS COMMUNICATION DEVICE USING SAME
    Publication number: 20180026370
    Abstract: An antenna structure includes a metallic member and a first feed source. The metallic member includes a front frame, a backboard, and a side frame. The side frame is positioned between the front frame and the backboard. The first feed source is electrically connected to the front frame. The side frame includes at least a top portion, a first side portion, and a second side portion. The first side portion and the second side portion are respectively connected to two ends of the top portion. The side frame defines a slot and the slot is defined on the top portion. The front frame defines a gap. The gap communicates with the slot and extends across the front frame.
    Type: Application
    Filed: June 18, 2017
    Publication date: January 25, 2018
    Inventors: CHENG-HAN LEE, YI-WEN HSU, WEI-XUAN YE
  • ANTENNA STRUCTURE AND WIRELESS COMMUNICATION DEVICE USING SAME
    Publication number: 20180026343
    Abstract: An antenna structure includes a metal housing, a first feed source, and a second feed source. The metal housing includes a front frame, a backboard, and a side frame. The side frame is positioned between the front frame and the backboard. The side frame defines a slot and the front frame defines a gap. The gap communicates with the slot and extends across the front frame. The metal housing is divided into at least a long portion and a short portion by the slot and the gap. The first feed source is electrically connected to the long portion and the second feed source is electrically connected to the short portion.
    Type: Application
    Filed: July 11, 2017
    Publication date: January 25, 2018
    Inventors: CHENG-HAN LEE, YI-WEN HSU, WEI-XUAN YE
  • ANTENNA STRUCTURE AND WIRELESS COMMUNICATION DEVICE USING SAME
    Publication number: 20180026347
    Abstract: An antenna structure includes a metal housing, a switching circuit, and a first feed source. The metal housing includes a front frame, a backboard, and a side frame. The side frame defines a slot and the front frame defines a groove. A first portion of the front frame positioned at a first side of the groove forms a first branch. A second portion of the front frame extending from a second side of the groove to one end of the slot forms a second branch. The first feed source is electrically connected to the first branch and the second branch, and the first branch is grounded through the switching circuit.
    Type: Application
    Filed: July 17, 2017
    Publication date: January 25, 2018
    Inventors: CHENG-HAN LEE, YI-WEN HSU, WEI-XUAN YE
  • Method and processor for analyzing two-dimension information
    Patent number: 9864471
    Abstract: The method and processor for analyzing two-dimension information are disclosed. A 2-D information generated from a touch panel/screen is obtained, wherein the 2-D information comprises a plurality of values distributed over a plurality of reduced 2-D coordinates. Then, an approaching/touching range on the touch panel/screen approached or touched by an approaching/touching object is detected, wherein a minimum of the plurality of values distributed over a boundary of the approaching/touching range is greater than a maximum of the plurality of values inside the approaching/touching range except the boundary.
    Type: Grant
    Filed: June 12, 2015
    Date of Patent: January 9, 2018
    Assignee: EGALAX_EMPIA TECHNOLOGY INC.
    Inventors: Chin-Fu Chang, Cheng-Han Lee, Chi-Hao Tang, Shun-Lung Ho
  • Semiconductor Device and Method
    Publication number: 20180006153
    Abstract: A source/drain region of a semiconductor device is formed using an epitaxial growth process. In an embodiment a first step comprises forming a bulk region of the source/drain region using a first precursor, a second precursor, and an etching precursor. A second step comprises cleaning the bulk region with the etchant along with introducing a shaping dopant to the bulk region in order to modify the crystalline structure of the exposed surfaces. A third step comprises forming a finishing region of the source/drain region using the first precursor, the second precursor, and the etching precursor.
    Type: Application
    Filed: October 3, 2016
    Publication date: January 4, 2018
    Inventors: Yi-Min Huang, Shih-Chieh Chang, Cheng-Han Lee
  • Wireless communication device
    Patent number: 9859606
    Abstract: A wireless communication device includes a metal housing and a printed circuit board. The metal housing serves as an antenna and includes a slit separating the metal housing into a radiating body and a grounding body. The slit completely separates the radiating body from the grounding body. The printed circuit board includes a system grounding point and a radio frequency circuit. The system grounding point is electronically coupled to the grounding body. The radiating body has a first grounding point, a second grounding point and a feeding point located between the first and second points. The feeding point is electronically coupled to the radio frequency circuit. The first and second grounding points are electronically coupled to the system grounding point.
    Type: Grant
    Filed: January 7, 2015
    Date of Patent: January 2, 2018
    Assignee: Chiun Mai Communication Systems, Inc.
    Inventors: Cheng-Han Lee, Wei-Xuan Ye