Patents by Inventor Yi-Fang Lee

Yi-Fang 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).

  • Patent number: 10365806
    Abstract: A method for providing a user interface (UI) in an electronic device having a background includes presenting a first keyword in the background by animation in response to an operation performed by a user on the electronic device, wherein the first keyword enables the user to start the electronic device for executing a first function.
    Type: Grant
    Filed: February 17, 2017
    Date of Patent: July 30, 2019
    Assignees: INTERNATIONAL BUSINESS MACHINES CORPORATION, INDUSTRIAL TECHNOLOGY RESEARCH
    Inventors: Mark Hsiao, Yi-Fang Lee, Yin-Pin Yang
  • Patent number: 10319426
    Abstract: A semiconductor structure includes an electrode, a ferroelectric material adjacent the electrode, the ferroelectric material comprising an oxide of at least one of hafnium and zirconium, the ferroelectric material doped with bismuth, and another electrode adjacent the ferroelectric material on an opposite side thereof from the first electrode. Related semiconductor structures, memory cells, semiconductor devices, electronic systems, and related methods are disclosed.
    Type: Grant
    Filed: May 9, 2017
    Date of Patent: June 11, 2019
    Assignee: Micron Technology, Inc.
    Inventors: Albert Liao, Wayne I. Kinney, Yi Fang Lee, Manzar Siddik
  • Publication number: 20190108395
    Abstract: There is provided a pupil tracking device including an active light source, an image sensor and a processing unit. The active light source emits light toward an eyeball alternatively in a first brightness value and a second brightness value. The image sensor captures a first brightness image corresponding to the first brightness value and a second brightness image corresponding to the second brightness value. The processing unit identifies a brightest region at corresponding positions of the first brightness image and the second brightness image as an active light image.
    Type: Application
    Filed: December 7, 2018
    Publication date: April 11, 2019
    Inventors: YU-HAO HUANG, MING-TSAN KAO, YI-FANG LEE, EN-FENG HSU, MENG-HUAN HSIEH, NIEN-TSE CHEN
  • Publication number: 20190096897
    Abstract: A semiconductor structure includes an electrode, a ferroelectric material adjacent the electrode, the ferroelectric material comprising an oxide of at least one of hafnium and zirconium, the ferroelectric material doped with bismuth, and another electrode adjacent the ferroelectric material on an opposite side thereof from the first electrode. Related semiconductor structures, memory cells, semiconductor devices, electronic systems, and related methods are disclosed.
    Type: Application
    Filed: November 27, 2018
    Publication date: March 28, 2019
    Inventors: Albert Liao, Wayne I. Kinney, Yi Fang Lee, Manzar Siddik
  • Patent number: 10198631
    Abstract: There is provided a pupil tracking device including an active light source, an image sensor and a processing unit. The active light source emits light toward an eyeball alternatively in a first brightness value and a second brightness value. The image sensor captures a first brightness image corresponding to the first brightness value and a second brightness image corresponding to the second brightness value. The processing unit identifies a brightest region at corresponding positions of the first brightness image and the second brightness image as an active light image.
    Type: Grant
    Filed: August 31, 2016
    Date of Patent: February 5, 2019
    Assignee: PIXART IMAGING INC.
    Inventors: Yu-Hao Huang, Ming-Tsan Kao, Yi-Fang Lee, En-Feng Hsu, Meng-Huan Hsieh, Nien-Tse Chen
  • Publication number: 20180331113
    Abstract: A semiconductor structure includes an electrode, a ferroelectric material adjacent the electrode, the ferroelectric material comprising an oxide of at least one of hafnium and zirconium, the ferroelectric material doped with bismuth, and another electrode adjacent the ferroelectric material on an opposite side thereof from the first electrode. Related semiconductor structures, memory cells, semiconductor devices, electronic systems, and related methods are disclosed.
    Type: Application
    Filed: May 9, 2017
    Publication date: November 15, 2018
    Inventors: Albert Liao, Wayne I. Kinney, Yi Fang Lee, Manzar Siddik
  • Publication number: 20180160079
    Abstract: A pupil detection device includes an active light source, an image sensor and a processing unit. The active light source emits light toward an eyeball. The image sensor captures at least one image frame of the eyeball to be served as an image to be identified. The processing unit is configured to calculate a minimum gray value in the image to be identified and to identify a plurality of pixels surrounding the minimum gray value and having gray values within a gray value range as a pupil area.
    Type: Application
    Filed: February 1, 2018
    Publication date: June 7, 2018
    Inventors: Yu-Hao HUANG, Yi-Fang LEE, Ming-Tsan KAO, Meng-Huan HSIEH, En-Feng HSU, Nien-Tse CHEN
  • Publication number: 20170160907
    Abstract: A method for providing a user interface (UI) in an electronic device having a background includes presenting a first keyword in the background by animation in response to an operation performed by a user on the electronic device, wherein the first keyword enables the user to start the electronic device for executing a first function.
    Type: Application
    Filed: February 17, 2017
    Publication date: June 8, 2017
    Inventors: Mark Hsiao, Yi-Fang Lee, Yin-Pin Yang
  • Patent number: 9619072
    Abstract: A touch system with track detecting function includes a touch pad for sequentially sensing a plurality of positions of an indication object at a plurality of moments in order to detect a track of the indication object on the touch pad, and a processor for continuously generating motion vectors according to the track of the indication object on the touch pad, for generating a candidate motion vector according to at least one motion vector, and for nonlinearly generating a target motion vector according to the candidate motion vector in order to move a target shown on a display panel. Each of the motion vectors represents a difference between a position of the indication object and a next position of the indication object.
    Type: Grant
    Filed: November 14, 2011
    Date of Patent: April 11, 2017
    Assignee: PixArt Imaging Inc.
    Inventors: Yi-Fang Lee, Yao-Hsuan Lin
  • Patent number: 9582074
    Abstract: A controlling method for an electronic apparatus is disclosed. The method comprises: detecting a location for vision of an eye on a display of the electronic apparatus; controlling the electronic apparatus to operate in a first mode if a time period for the vision stops on an objective on the display is not larger than a predetermined time period; and controlling the electronic apparatus to operate in a second mode if the time period for the vision stops on an objective on the display is larger than the predetermined time period. The electronic apparatus detects at least turning operation for a head comprising the eye and performs corresponding operation according to the turning operation in the second mode.
    Type: Grant
    Filed: June 5, 2013
    Date of Patent: February 28, 2017
    Assignee: PixArt Imaging Inc.
    Inventors: Yu-Hao Huang, Yi-Fang Lee, Ming-Tsan Kao
  • Patent number: 9582159
    Abstract: A method for providing a user interface (UI) in an electronic device includes determining at least a starting keyword from a given target database, and associating each said starting keyword with a function of the electronic device; determining at least a linking keyword from a user profile database; creating a keyword tree from the at least a starting keyword and the at least a linking keyword, wherein the keyword tree has at least two layers, and the at least a linking keyword is placed in an upper layer relative to the at least a starting keyword; and providing the keyword tree on the electronic device for a user to browse and thereby select at least a said starting keyword by at least a said linking keyword on the keyword tree, thus starting the function.
    Type: Grant
    Filed: October 8, 2013
    Date of Patent: February 28, 2017
    Assignees: INTERNATIONAL BUSINESS MACHINES CORPORATION, INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Mark Hsiao, Yi-Fang Lee, Yin-Pin Yang
  • Patent number: 9535579
    Abstract: A method for providing a user interface (UI) in an electronic device having a background includes presenting a first keyword in the background by animation in response to an operation performed by a user on the electronic device, wherein the first keyword enables the user to start the electronic device for executing a first function.
    Type: Grant
    Filed: December 4, 2013
    Date of Patent: January 3, 2017
    Assignees: INTERNATIONAL BUSINESS MACHINES CORPORATION, INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Mark Hsiao, Yi-Fang Lee, Yin-Pin Yang
  • Patent number: 9530051
    Abstract: There is provided a pupil tracking device including an active light source, an image sensor and a processing unit. The active light source emits light toward an eyeball alternatively in a first brightness value and a second brightness value. The image sensor captures a first brightness image corresponding to the first brightness value and a second brightness image corresponding to the second brightness value. The processing unit identifies a brightest region at corresponding positions of the first brightness image and the second brightness image as an active light image.
    Type: Grant
    Filed: October 15, 2013
    Date of Patent: December 27, 2016
    Assignee: PIXART IMAGING INC.
    Inventors: Yu-Hao Huang, Ming-Tsan Kao, Yi-Fang Lee, En-Feng Hsu, Meng-Huan Hsieh, Nien-Tse Chen
  • Publication number: 20160370859
    Abstract: There is provided a pupil tracking device including an active light source, an image sensor and a processing unit. The active light source emits light toward an eyeball alternatively in a first brightness value and a second brightness value. The image sensor captures a first brightness image corresponding to the first brightness value and a second brightness image corresponding to the second brightness value. The processing unit identifies a brightest region at corresponding positions of the first brightness image and the second brightness image as an active light image.
    Type: Application
    Filed: August 31, 2016
    Publication date: December 22, 2016
    Inventors: Yu-Hao HUANG, Ming-Tsan KAO, Yi-Fang LEE, En-Feng HSU, Meng-Huan HSIEH, Nien-Tse CHEN
  • Publication number: 20160274672
    Abstract: An input system includes a first gesture detection unit and a second gesture detection unit. The first gesture detection unit includes a first light emitting device for emitting a first light beam, a first light sensing device for receiving the first light beam reflected by a first motion trajectory generated by a user and outputting a first image signal, and a first processing unit for processing the first image signal and outputting a first command signal. The second gesture detection unit includes a second light emitting device for emitting a second light beam, a second light sensing device for receiving the second light beam reflected by a second motion trajectory generated by the user and outputting a second image signal, and a second processing unit for processing the second image signal and outputting a second command signal.
    Type: Application
    Filed: May 31, 2016
    Publication date: September 22, 2016
    Applicant: PixArt Imaging Incorporation, R.O.C.
    Inventors: Yu-Hao Huang, Yi-Fang Lee, Ming-Tsan Kao
  • Patent number: 9389726
    Abstract: There is provided a click-event detection device including a light source, a light control unit, an image sensor and a processing unit. The light control unit is configured to control the light source to illuminate a finger. The image sensor receives reflected light from the finger to accordingly output a plurality of bright image frames and dark image frames. The processing unit is configured to calculate a differential image characteristic between the bright image frames and the dark image frames, to determine a plurality of operating states according to the differential image characteristic, to count a residence time at each of the operating states, and to identify a click-event according to the operating states and the residence time.
    Type: Grant
    Filed: September 13, 2012
    Date of Patent: July 12, 2016
    Assignee: PIXART IMAGING INC.
    Inventors: Hsin Chia Chen, Yu Hao Huang, Ren Hau Gu, Yi Fang Lee, Ming Tsan Kao
  • Patent number: 9263595
    Abstract: Non-volatile memories and methods of fabrication thereof are described. In one embodiment, a method of fabricating a semiconductor device includes forming an oxide layer over a semiconductor substrate, and exposing the oxide layer to a first nitridation step to form a first nitrogen rich region. The first nitrogen rich region is disposed adjacent an interface between the oxide layer and the semiconductor substrate. After the first nitridation step, the oxide layer is exposed to a second nitridation step to form a second nitrogen rich region. A first gate electrode is formed on the oxide layer, wherein the second nitrogen rich region is disposed adjacent an interface between the oxide layer and the first gate electrode.
    Type: Grant
    Filed: July 23, 2013
    Date of Patent: February 16, 2016
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Chih-Wei Lin, Yi-Fang Lee, Cheng-Ta Wu, Cheng-Yuan Tsai
  • Publication number: 20150248172
    Abstract: The present invention discloses a method for outputting a command by detecting a movement of an object, which includes the following steps. First, an image capturing device captures images generated by the movement of the object at different timings by. Next, a motion trajectory is calculated according to the plurality of images. Further next, a corresponding command is outputted according to the motion trajectory. The present invention also provides a system which employs the above-mentioned method.
    Type: Application
    Filed: May 18, 2015
    Publication date: September 3, 2015
    Applicant: PixArt Imaging Incorporation
    Inventors: Yu-Hao Huang, Yi-Fang Lee, Ming-Tsan Kao, Nien-Tse Chen
  • Patent number: 9063585
    Abstract: The present invention discloses a method for outputting a command by detecting a movement of an object, which includes the following steps. First, an image capturing device captures images generated by the movement of the object at different timings by. Next, a motion trajectory is calculated according to the plurality of images. Further next, a corresponding command is outputted according to the motion trajectory. The present invention also provides a system which employs the above-mentioned method.
    Type: Grant
    Filed: April 18, 2013
    Date of Patent: June 23, 2015
    Assignee: PIXART IMAGING INCORPORATION
    Inventors: Yu-Hao Huang, Yi-Fang Lee, Ming-Tsan Kao, Nien-Tse Chen
  • Patent number: 8969787
    Abstract: An optical detecting apparatus, which comprises: a detecting surface; a first light source, for providing light parallel to the detecting surface; an image sensor, for detecting an object close to the detecting surface, to generate object image data; and an object location determining apparatus, for computing location information of the object according to the object image.
    Type: Grant
    Filed: December 10, 2012
    Date of Patent: March 3, 2015
    Assignee: PixArt Imaging Inc.
    Inventors: Hsin-Chia Chen, Shu-Sian Yang, Yi-Fang Lee, Ming-Tsan Kao