Patents by Inventor Chia-Hao Kuo

Chia-Hao Kuo 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: 20210125662
    Abstract: A power management circuit suitable for a memory device and a memory device is provided. The power management circuit includes a first logic circuit, a second logic circuit, and a transmission gate. The first logic circuit is configured to receive an inverted first input signal and a second input signal and generates a first output signal. The second logic circuit is configured to receive a first input signal and the second input signal and generates a second output signal. The transmission gate is configured to receive the first output signal and generates a control signal to at least one power transistor coupled between the power management circuit and the memory device. During a standby mode, the power transistor is turned on to make a first voltage equal to a predetermined voltage and during a sleep mode, the control signal is coupled to a first voltage. The predetermined voltage is greater than the first voltage.
    Type: Application
    Filed: June 22, 2020
    Publication date: April 29, 2021
    Applicant: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Chia-Chen Kuo, Cheng-Hung Lee, Chi-Ting Cheng, Hua-Hsin Yu, Wei-Jer Hsieh, Yu-Hao Hsu, Yang-Syu Lin, Che-Ju Yeh
  • Publication number: 20200279535
    Abstract: An electro-phoretic display apparatus including an electro-phoretic display panel and a driving circuit is provided. The electro-phoretic display panel includes a display area and a border area. The driving circuit is configured to drive the display area to display an image frame according to a first voltage. The driving circuit drives the border area to maintain displaying a border of a first color or a second color according to a second voltage. The driving circuit generates the second voltage according to the first voltage. The border area includes electro-phoretic particles of the first color or the second color. A voltage difference between the first voltage and the second voltage drives the electro-phoretic particles of the first color or the second color to be maintained to a predetermined position such that the border area maintains displaying the border of the first color or the second color.
    Type: Application
    Filed: May 18, 2020
    Publication date: September 3, 2020
    Applicant: E Ink Holdings Inc.
    Inventors: Hao-Ting Hsu, Chia-Hao Kuo, Yu-Jui Chang
  • Patent number: 10706793
    Abstract: An electro-phoretic display apparatus including an electro-phoretic display panel and a driving circuit is provided. The electro-phoretic display panel includes a display area and a border area. The driving circuit is coupled to the electro-phoretic display panel. The driving circuit is configured to drive the display area to display an image frame according to a first voltage. The driving circuit drives the border area to maintain displaying a white border or a black border according to a second voltage.
    Type: Grant
    Filed: November 30, 2017
    Date of Patent: July 7, 2020
    Assignee: E Ink Holdings Inc.
    Inventors: Hao-Ting Hsu, Chia-Hao Kuo, Yu-Jui Chang
  • Publication number: 20200127105
    Abstract: A method of fabricating a semiconductor device is disclosed. The method includes forming a fin structure on a substrate; forming a dummy gate over the fin structure; forming spacers on sides of the dummy gate; forming a doped region within the fin structure; replacing the dummy gate with a metal gate; replacing an upper portion of the metal gate with a first dielectric layer; forming a conductive layer directly on the doped region; replacing an upper portion of the conductive layer with a second dielectric layer; removing the first dielectric layer thereby exposing a sidewall of the spacer; removing an upper portion of the spacer to thereby expose a sidewall of the second dielectric layer; removing at least a portion of the second dielectric layer to form a trench; and forming a conductive plug in the trench.
    Type: Application
    Filed: December 18, 2019
    Publication date: April 23, 2020
    Inventors: Wei-Hao Wu, Chia-Hao Chang, Chih-Hao Wang, Jia-Chuan You, Yi-Hsiung Lin, Zhi-Chang Lin, Chia-Hao Kuo, Ke-Jing Yu
  • Patent number: 10522633
    Abstract: A method of fabricating a semiconductor device is disclosed. The method includes forming a fin structure on a substrate; forming a dummy gate over the fin structure; forming spacers on sides of the dummy gate; forming a doped region within the fin structure; replacing the dummy gate with a metal gate; replacing an upper portion of the metal gate with a first dielectric layer; forming a conductive layer directly on the doped region; replacing an upper portion of the conductive layer with a second dielectric layer; removing the first dielectric layer thereby exposing a sidewall of the spacer; removing an upper portion of the spacer to thereby expose a sidewall of the second dielectric layer; removing at least a portion of the second dielectric layer to form a trench; and forming a conductive plug in the trench.
    Type: Grant
    Filed: August 7, 2017
    Date of Patent: December 31, 2019
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Wei-Hao Wu, Chia-Hao Chang, Chih-Hao Wang, Jia-Chuan You, Yi-Hsiung Lin, Zhi-Chang Lin, Chia-Hao Kuo, Ke-Jing Yu
  • Publication number: 20180158419
    Abstract: An electro-phoretic display apparatus including an electro-phoretic display panel and a driving circuit is provided. The electro-phoretic display panel includes a display area and a border area. The driving circuit is coupled to the electro-phoretic display panel. The driving circuit is configured to drive the display area to display an image frame according to a first voltage. The driving circuit drives the border area to maintain displaying a white border or a black border according to a second voltage.
    Type: Application
    Filed: November 30, 2017
    Publication date: June 7, 2018
    Applicant: E Ink Holdings Inc.
    Inventors: Hao-Ting Hsu, Chia-Hao Kuo, Yu-Jui Chang
  • Publication number: 20170338319
    Abstract: A method of fabricating a semiconductor device is disclosed. The method includes forming a fin structure on a substrate; forming a dummy gate over the fin structure; forming spacers on sides of the dummy gate; forming a doped region within the fin structure; replacing the dummy gate with a metal gate; replacing an upper portion of the metal gate with a first dielectric layer; forming a conductive layer directly on the doped region; replacing an upper portion of the conductive layer with a second dielectric layer; removing the first dielectric layer thereby exposing a sidewall of the spacer; removing an upper portion of the spacer to thereby expose a sidewall of the second dielectric layer; removing at least a portion of the second dielectric layer to form a trench; and forming a conductive plug in the trench.
    Type: Application
    Filed: August 7, 2017
    Publication date: November 23, 2017
    Inventors: Wei-Hao Wu, Chia-Hao Chang, Chih-Hao Wang, Jia-Chuan You, Yi-Hsiung Lin, Zhi-Chang Lin, Chia-Hao Kuo, Ke-Jing Yu
  • Patent number: 9728505
    Abstract: A method of fabricating a semiconductor device is disclosed. The method includes forming a fin structure on a substrate; forming a dummy gate over the fin structure; forming spacers on sides of the dummy gate; forming a doped region within the fin structure; replacing the dummy gate with a metal gate; replacing an upper portion of the metal gate with a first dielectric layer; forming a conductive layer directly on the doped region; replacing an upper portion of the conductive layer with a second dielectric layer; removing the first dielectric layer thereby exposing a sidewall of the spacer; removing an upper portion of the spacer to thereby expose a sidewall of the second dielectric layer; removing at least a portion of the second dielectric layer to form a trench; and forming a conductive plug in the trench.
    Type: Grant
    Filed: November 16, 2015
    Date of Patent: August 8, 2017
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Wei-Hao Wu, Chia-Hao Chang, Chih-Hao Wang, Jia-Chuan You, Yi-Hsiung Lin, Zhi-Chang Lin, Chia-Hao Kuo, Ke-Jing Yu
  • Publication number: 20170141037
    Abstract: A method of fabricating a semiconductor device is disclosed. The method includes forming a fin structure on a substrate; forming a dummy gate over the fin structure; forming spacers on sides of the dummy gate; forming a doped region within the fin structure; replacing the dummy gate with a metal gate; replacing an upper portion of the metal gate with a first dielectric layer; forming a conductive layer directly on the doped region; replacing an upper portion of the conductive layer with a second dielectric layer; removing the first dielectric layer thereby exposing a sidewall of the spacer; removing an upper portion of the spacer to thereby expose a sidewall of the second dielectric layer; removing at least a portion of the second dielectric layer to form a trench; and forming a conductive plug in the trench.
    Type: Application
    Filed: November 16, 2015
    Publication date: May 18, 2017
    Inventors: Wei-Hao Wu, Chia-Hao Chang, Chih-Hao Wang, Jia-Chuan You, Yi-Hsiung Lin, Zhi-Chang Lin, Chia-Hao Kuo, Ke-Jing Yu
  • Patent number: 9164636
    Abstract: A touch panel includes first sensing pads, first bridge lines, second sensing pads, adjusting electrodes, second bridge lines and third bridge lines. The first sensing pad has a first opening. The first sensing pads and the first bridge lines are arranged alternately along a first direction and electrically connected to each other. The second sensing pads and the second bridge lines are arranged alternately along a second direction and electrically connected to each other. The adjusting electrodes are disposed in the first openings and the second openings, and the adjusting electrodes are electrically disconnected from the first sensing pads and the second sensing pads. Adjacent adjusting electrodes are electrically connected through the third bridge line. The first sensing pads, the second sensing pads and the adjusting electrodes are made of a same patterned conductive layer.
    Type: Grant
    Filed: May 9, 2013
    Date of Patent: October 20, 2015
    Assignee: AU Optronics Corp.
    Inventors: Chia-Hao Kuo, Yu-Feng Chien, Seok-Lyul Lee
  • Publication number: 20150185959
    Abstract: A touch light shielding substrate including a first substrate, a patterned light shielding layer disposed above the first substrate, first touch sensing units disposed above the first substrate, and second touch sensing units disposed above the first substrate is provided. The patterned light shielding layer has transparent holes arranged in an array. The first touch sensing units and the second touch sensing units are interlaced with each other. The patterned light shielding layer, the first touch sensing units, and the second touch sensing units are located in the same side of the first substrate. The patterned light shielding layer is disposed between the first touch sensing units and the second touch sensing units, so that the first touch sensing units and the second touch sensing units are electrically independent. Moreover, a touch display apparatus including the touch light shielding substrate is also provided.
    Type: Application
    Filed: February 26, 2014
    Publication date: July 2, 2015
    Applicant: Chunghwa Picture Tubes, LTD.
    Inventors: Chih-Chieh Chen, Chi-Liang Kuo, Chia-Hao Kuo
  • Publication number: 20150005094
    Abstract: A golf club with a tubular pad, which includes a head, a removable assembly and a shaft, is proposed. The head has a through hole and an annular protrusion protruding inwardly from an inner periphery defining the through hole. The removable assembly has a sleeve, a tubular pad and a fixing member, with the sleeve received in an end of the through hole, with the tubular pad received in the through hole, engaging with the annular protrusion and axially extending from a side of the annular protrusion to another side of the annular protrusion, with the fixing member piercing through the tubular pad, coupling with the sleeve by a fixing portion and pressing the annular protrusion via the tubular pad by a head portion. The shaft inserts into and clamped by the sleeve. Accordingly, anti-disengagement and protection of members by a convenient insertion process is easily achieved.
    Type: Application
    Filed: June 27, 2013
    Publication date: January 1, 2015
    Inventor: Chia-Hao Kuo
  • Publication number: 20140168138
    Abstract: A touch panel includes first sensing pads, first bridge lines, second sensing pads, adjusting electrodes, second bridge lines and third bridge lines. The first sensing pad has a first opening. The first sensing pads and the first bridge lines are arranged alternately along a first direction and electrically connected to each other. The second sensing pads and the second bridge lines are arranged alternately along a second direction and electrically connected to each other. The adjusting electrodes are disposed in the first openings and the second openings, and the adjusting electrodes are electrically disconnected from the first sensing pads and the second sensing pads. Adjacent adjusting electrodes are electrically connected through the third bridge line. The first sensing pads, the second sensing pads and the adjusting electrodes are made of a same patterned conductive layer.
    Type: Application
    Filed: May 9, 2013
    Publication date: June 19, 2014
    Applicant: AU Optronics Corp.
    Inventors: Chia-Hao Kuo, Yu-Feng Chien, Seok-Lyul Lee
  • Patent number: 8115202
    Abstract: A thin film transistor array substrate suitable for being applied in an electronic ink display device is provided. The thin film transistor array substrate includes a substrate, scan lines, data lines, thin film transistors, pixel electrodes and testing signal lines. The data lines and the scan lines are disposed and define a plurality of pixel regions on the substrate. Each thin film transistor is disposed in the respective pixel region and driven by the corresponding scan line and data line. In addition, each pixel electrode is disposed in respective pixel region and electrically connected to the thin film transistor corresponding thereto. Furthermore, the testing signal line connects to the scan lines and/or the data lines in series. The testing accuracy as well as the production yield of the electronic ink display device and the thin film transistor array substrate can be improved by the design of the aforementioned testing circuit.
    Type: Grant
    Filed: January 10, 2007
    Date of Patent: February 14, 2012
    Assignee: E Ink Holdings Inc.
    Inventors: Yu-Chen Hsu, Chuan-Feng Liu, Chia-Hao Kuo
  • Patent number: 8081982
    Abstract: A wireless communication device and method includes selecting a group of neighboring base stations having a relatively stronger signal intensity among the neighboring base stations as servo base stations, and periodically detecting the signal intensities of the servo base stations and the candidate base station. Differences between the signal intensities of two selected neighboring base stations for each cycle of a continuous cycles are accumulated, where when the accumulated value exceeds a threshold value in a each cycle, the group of servo base stations are updated and weakest servo base stations with the strongest candidate base station in that cycle are replaced.
    Type: Grant
    Filed: December 31, 2009
    Date of Patent: December 20, 2011
    Assignee: Hon Hai Precision Industry Co., Ltd.
    Inventor: Chia-Hao Kuo
  • Publication number: 20110122086
    Abstract: A touch display apparatus comprising a controller and a touch display module, electrically connected to the controller, are provided. The touch display module comprises a display panel and a sensor assembly. The display panel includes a display surface and a connection surface opposite the display surface, and the sensor assembly is disposed on the connection surface and electrically connected to the controller. The sensor assembly comprises a first sensing layer and a second sensing layer, with a first sheet conducting layer and a second sheet conducting layer, respectively. When the display surface is touched, the first sheet conducting layer and the second sheet conducting layer are electrically connected to generate a touch signal. Thereby, the controller may detect a touch position according to the touch signal.
    Type: Application
    Filed: April 19, 2010
    Publication date: May 26, 2011
    Applicant: Prime View International Co., Ltd.
    Inventors: Kai-Cheng CHUANG, Tzu-Ming WANG, Tien-Haw PENG, Chia-Hao KUO, Po-Wen HSIAO, Gwo-Feng HWANG, Yung-Sheng CHUANG
  • Publication number: 20110098080
    Abstract: A dual-mode communication module detects a generic access network (GAN) signal generated by a GAN and communicates with the GAN. The dual-mode communication module measures quality of the GAN signal and enables either a GSM communication module or a GAN communication module of the device according to the quality of the GAN signal.
    Type: Application
    Filed: December 30, 2009
    Publication date: April 28, 2011
    Applicant: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventor: CHIA-HAO KUO
  • Publication number: 20110098040
    Abstract: A wireless communication device and method includes selecting a group of neighboring base stations having a relatively stronger signal intensity among the neighboring base stations as servo base stations, and periodically detecting the signal intensities of the servo base stations and the candidate base station. Differences between the signal intensities of two selected neighboring base stations for each cycle of a continuous cycles are accumulated, where when the accumulated value exceeds a threshold value in a each cycle, the group of servo base stations are updated and weakest servo base stations with the strongest candidate base station in that cycle are replaced.
    Type: Application
    Filed: December 31, 2009
    Publication date: April 28, 2011
    Applicant: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventor: CHIA-HAO KUO
  • Publication number: 20080024427
    Abstract: An E-ink display panel including a substrate, display pixels, dummy pixels, a display medium and a common electrode is provided. The display pixels are disposed on the substrate and arranged in a matrix for defining a display region. The dummy pixels are disposed on the substrate and adjacent to the display pixels. The display medium is disposed over the display pixels and the dummy pixels. The common electrode is disposed on the display medium. The display medium above the display pixels is driven by the bias voltage between the display pixel and the common electrode such that an image is displayed by the display medium, and display state of the display medium above the dummy pixels is not affected by the bias voltage between the dummy pixel and the common electrode. The dummy pixels are adapted for preventing the display pixels from being damaged directly due to an ESD.
    Type: Application
    Filed: July 26, 2006
    Publication date: January 31, 2008
    Inventors: Chia-Hao Kuo, Chuan-Feng Liu, Yu-Chen Hsu
  • Publication number: 20070268637
    Abstract: An active matrix device including an active region and an ESD protection circuit is provided. The active region includes scan lines and data lines. The ESD protection circuit includes a first power line, a second power line, a first diode and a second diode. The first diode is electrically connected between the scan line/data line and the first power line, and the second diode is electrically connected between the second power line and the scan line/data line. When a positive or negative ESD voltage is applied to the scan lines or the data lines, the ESD current is conducted to the first power line or the second power line through the first diodes or the second diodes, so as to protect the devices and circuits of the active matrix device from being damaged by the ESD zap.
    Type: Application
    Filed: May 18, 2006
    Publication date: November 22, 2007
    Inventors: Yu-Chen Hsu, Chuan-Feng Liu, Chia-Hao Kuo