Patents by Inventor Yi-Cheng Chen

Yi-Cheng Chen 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: 20110274365
    Abstract: An electrical-device-implemented image coding method includes: a raw block is obtained from an image. There are a max pixel value and a min pixel value among the raw pixel values of the image. A first difference sum, which is sum of differences between the raw pixel values and the max pixel value respectively, are calculated. A second difference sum, which is sum of differences between the raw pixel values and the min pixel value respectively, are calculated. If the first difference sum is not smaller than the second difference sum, each of the residue values is calculated by subtracting the min pixel value from the corresponding raw pixel value. Otherwise, each of the residue values is calculated by subtracting the corresponding raw pixel value from the max pixel value. Each of the residue values is encoded into a compressed codeword. A bit stream is generated according to the compressed codewords.
    Type: Application
    Filed: October 5, 2010
    Publication date: November 10, 2011
    Applicant: NATIONAL CENTRAL UNIVERSITY
    Inventors: Tsung-Han TSAI, Yu-Hsuan LEE, Yi-Cheng CHEN
  • Publication number: 20110032276
    Abstract: An electrowetting display device and a driving method for a display device are provided. The electrowetting display device includes at least a pixel unit, a first driver and a second driver. The pixel unit includes at least a switch, at least a storage capacitor and at least an electrowetting pixel element. The switch is coupled between a node and a data line, and the switch has a control terminal coupled to a scan line. The storage capacitor is coupled between the node and a first common node. The electrowetting pixel element is coupled between the node and a second common node. The first driver provides a pulse signal to the control terminal of the switch via the scan line to turn on the switch. The second driver provides a gray scale signal to the electrowetting pixel element via the data line when the switch is turned on.
    Type: Application
    Filed: October 14, 2009
    Publication date: February 10, 2011
    Inventors: Yi-Cheng CHEN, Yung-Hsiang CHIU, Wei-Yen LEE
  • Publication number: 20100289382
    Abstract: An ultrasonic linear motor includes a substrate; a vibrator disposed on the substrate having an oblique or curved face at two sides thereof; and a slider having clamping portions at two sides thereof for correspondingly contacting with the two side faces of the vibrator and the substrate surfaces, wherein the vibrator is for generating a driving force to the slider while connecting with a power supply, such that the clamping portions of the slider slides with respect to the two side surfaces of the vibrator and with respect to the substrate surface, thereby generating a linear translation. The present invention adopts a simple structure having few elements that enables easy manufacturing and integration with other elements, thus reducing manufacturing cost.
    Type: Application
    Filed: July 26, 2010
    Publication date: November 18, 2010
    Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Yi-Cheng CHEN, Yu-Jen Wang, Chien Li, Chien-Shien Yeh
  • Patent number: 7816839
    Abstract: An ultrasonic linear motor includes a substrate; a vibrator disposed on the substrate having an oblique or curved face at two sides thereof forming concave receiving portions with the surfaces of the substrate; and a slider having clamping portions at two sides thereof for correspondingly clamping to the receiving portions, wherein the vibrator is for generating a driving force to the slider while connecting with a power supply, such that the clamping portions of the slider move within the receiving portions, thereby generating a linear translation. The present invention adopts a simple structure having few elements that enables easy manufacturing and integration with other elements, thus reducing manufacturing cost.
    Type: Grant
    Filed: November 24, 2008
    Date of Patent: October 19, 2010
    Assignee: Industrial Technology Research Institute
    Inventors: Yi-Cheng Chen, Yu-Jen Wang, Chien Li, Chien-Shien Yeh
  • Patent number: 7800651
    Abstract: Disclosed is an image-stabilization driving device including a first sliding member connected to an image sensor; a first piezoelectrical element for driving the first sliding member to move linearly along a first direction; a second sliding member connected to the first piezoelectrical element; and a second piezoelectrical element for driving the second sliding member to move linearly along a second direction intersecting with the first direction. The first and second piezoelectrical elements are adapted to drive the image sensor to move in a plane, thereby providing a structurally simple and miniaturized image-stabilization driving device.
    Type: Grant
    Filed: December 28, 2007
    Date of Patent: September 21, 2010
    Assignee: Industrial Technology Research Institute
    Inventors: Shyang-Jye Chang, Yu-Jen Wang, Yi-Cheng Chen, Tai-Feng Wu
  • Publication number: 20100233982
    Abstract: A receiving device is disclosed. The receiving device includes a receiving module and a processing module. The receiving module includes a plurality of parameters. The receiving module is used for setting the parameters according to a control signal, receiving a wireless signal according to settings of the different parameters, and outputting a first output signal and a second output signal separately. The processing module couples the receiving module and generates the control to set the parameters according the first output signal and the second output signal.
    Type: Application
    Filed: March 8, 2010
    Publication date: September 16, 2010
    Applicant: REALTEK SEMICONDUCTOR CORP.
    Inventors: Jen-Chieh LO, Yi-Cheng CHEN, Chia-Ta LAI
  • Patent number: 7784712
    Abstract: A micro-droplet generator comprises a main body, having a chamber accommodating liquid to be sprayed and a lateral opening, a spraying plate, placed in the opening and having a plurality of spraying holes as well as an inner side, a vibrating element, glued on the spraying plate and driving vibrations thereof, and a projection, placed inside the chamber and having an outer side touch with the inner side of the spraying plate, wherein a narrow space is left between the inner side of the spraying plate and the outer side of the projection, which upon the vibrations of the spraying plate has a varying width, upon becoming wider sucking in liquid from the chamber, and upon becoming narrower pressing out liquid through the spraying holes.
    Type: Grant
    Filed: June 22, 2005
    Date of Patent: August 31, 2010
    Assignee: Industrial Technology Research Institute
    Inventors: Yu-Ran Wang, Sheng-Chih Shen, Yi-Cheng Chen, Chien-Shien Yeh, Chung-Jui Lee, I-Kai Pan
  • Publication number: 20100164929
    Abstract: The invention discloses a source driver. The source driver comprises a plurality of channels and a control module. Each of the plurality of channels comprises an output buffer, an output pad, a driving switch, and a charge sharing switch. The control module is used to control a gate signal of the driving switch or the charge sharing switch in each channel to be changed linearly. By doing so, a peak current generated by the source driver can be lowered to reduce the electromagnetic interference (EMI).
    Type: Application
    Filed: October 14, 2009
    Publication date: July 1, 2010
    Applicant: RAYDIUM SEMICONDUCTOR CORPORATION
    Inventors: Yi Cheng Chen, Yann Hsiung Liang, Chin Chieh Chao, Hui Wen Miao, Ko Yang Tso
  • Publication number: 20100149150
    Abstract: A driving method for a display including a source driver and at least one pixel is disclosed. The source driver is activated to provide a first data signal to the pixel. The first data signal includes a first pulse. The source driver is activated to provide a second data signal to the pixel. The second data signal includes a second pulse. The width of the first pulse is different from the width of the second pulse and a gray level is composed of the first and the second pulses.
    Type: Application
    Filed: February 21, 2009
    Publication date: June 17, 2010
    Applicant: Industrial Technology Research Institute
    Inventor: Yi-Cheng Chen
  • Publication number: 20100060624
    Abstract: A display unit including a capacitor, a pixel and a switch is provided. The capacitor is charged or discharged in response to a voltage difference between a drain control signal and a common voltage signal. The pixel displays in response to the voltage difference between the drain control signal and the common voltage signal. The switch is turned on according to a switch control signal and transmits a source control signal through the third terminal to the pixel and the capacitor. The switch is turned on twice within every one frame according to the switch control signal, and when the switch is turned on for the first time, the pixel displays, and when the switch is turned on for the second time, the capacitor is discharged to avoid a voltage at the third terminal of the switch to exceed a predetermined voltage.
    Type: Application
    Filed: December 2, 2008
    Publication date: March 11, 2010
    Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Yi-Cheng Chen, Heng-Yin Chen, Chao-Chiun Liang
  • Patent number: 7669782
    Abstract: The present invention provides a liquid atomizer for atomizing liquid and applied in an atomizing device having an accommodating space and a through hole. The liquid atomizer includes a vibrating element having a first hole corresponding to the through hole; a spray plate having a plurality of spraying holes corresponding to the first hole and being connected with the vibrating element; and a structure element having a second hole corresponding to the plurality of spraying holes of the spray plate and being connected with the spray plate so that the spray plate is disposed between the vibrating element and the structure element. The vibrating element, the spray plate and the structure element are assembled in the accommodating space of the atomizing device. Liquids are atomized via the spraying holes of the spray plate.
    Type: Grant
    Filed: February 16, 2007
    Date of Patent: March 2, 2010
    Assignee: Industrial Technology Research Institute
    Inventors: Liang De Wang, Tai-Feng Wu, Yi-Cheng Chen, Yu-Ran Wang, Chien-Shien Yeh, Sheng-Chih Shen
  • Publication number: 20100033057
    Abstract: An ultrasonic linear motor includes a substrate; a vibrator disposed on the substrate having an oblique or curved face at two sides thereof forming concave receiving portions with the surfaces of the substrate; and a slider having clamping portions at two sides thereof for correspondingly clamping to the receiving portions, wherein the vibrator is for generating a driving force to the slider while connecting with a power supply, such that the clamping portions of the slider move within the receiving portions, thereby generating a linear translation. The present invention adopts a simple structure having few elements that enables easy manufacturing and integration with other elements, thus reducing manufacturing cost.
    Type: Application
    Filed: November 24, 2008
    Publication date: February 11, 2010
    Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Yi-Cheng Chen, Yu-Jen Wang, Chien Li, Chien-Shien Yeh
  • Publication number: 20100005695
    Abstract: A spring structure of the invention is provided, including a main body having a top portion and two lateral portions extending from the top portion, a plurality of tabs protruding inward from the lateral portions to engage the main body to the device, and a spring extending from the top portion with a curved shape.
    Type: Application
    Filed: November 21, 2008
    Publication date: January 14, 2010
    Applicant: HANNSPREE, INC.
    Inventors: Wen-Hung Huang, Yi-Cheng Chen
  • Patent number: 7639222
    Abstract: A flat panel display, an image correction circuit and method thereof are provided. The image correction circuit mainly includes a digital to analog conversion unit and a data processing unit. The digital to analog conversion unit includes a temperature sensor and a gamma voltage generator. The gamma voltage generator is adopted for generating a plurality of gamma voltages, and the temperature sensor is electrically connected to the gamma voltage generator and adopted for sensing the working temperature of the gamma voltage generator. The data processing unit is electrically connected to the digital to analog conversion unit. When the working temperature of the gamma voltage generator changes to higher (or lower) than the room temperature, the data processing unit selects and outputs applicable digital data to the digital to analog conversion unit. Therefore, the digital to analog conversion unit outputs a predetermined gamma voltage at room temperature according to the digital data.
    Type: Grant
    Filed: October 4, 2005
    Date of Patent: December 29, 2009
    Assignee: Chunghwa Picture Tubes, Ltd.
    Inventors: Yi-Cheng Chen, Hsin-Chung Huang, Hung-Shiang Chen
  • Patent number: D601522
    Type: Grant
    Filed: April 1, 2009
    Date of Patent: October 6, 2009
    Assignee: Hannspree, Inc.
    Inventor: Yi-Cheng Chen
  • Patent number: D610560
    Type: Grant
    Filed: April 1, 2009
    Date of Patent: February 23, 2010
    Assignee: Hannspree, Inc.
    Inventor: Yi-Cheng Chen
  • Patent number: D637010
    Type: Grant
    Filed: December 8, 2010
    Date of Patent: May 3, 2011
    Assignee: Hannspree, Inc.
    Inventor: Yi-Cheng Chen
  • Patent number: D640693
    Type: Grant
    Filed: September 29, 2010
    Date of Patent: June 28, 2011
    Assignee: Hannspree, Inc.
    Inventor: Yi-Cheng Chen
  • Patent number: D649949
    Type: Grant
    Filed: April 28, 2011
    Date of Patent: December 6, 2011
    Assignee: Hannspree, Inc.
    Inventor: Yi-Cheng Chen
  • Patent number: D661267
    Type: Grant
    Filed: December 20, 2011
    Date of Patent: June 5, 2012
    Assignee: Hannspree, Inc.
    Inventor: Yi-Cheng Chen