Patents by Inventor Yi-Nan Chu

Yi-Nan Chu 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: 20230293110
    Abstract: A computing device includes a housing defining an aperture extending therethrough. The computing device further includes a button that includes a switch and a body. The body is at least partially disposed within the aperture and movable relative to the housing between a first position and a second position to selectively actuate the switch to cause the computing device to perform a function. The button includes a printed circuit electrically coupled to one or more processors of the computing device. The button includes an optical sensor disposed within the interior of the body and configured to obtain biometric data for determining one or more biometrics of a user.
    Type: Application
    Filed: March 20, 2023
    Publication date: September 21, 2023
    Inventors: Debanjan Mukherjee, Yanting Zhang, Kevin Howard Drake, Seobin Jung, Xiaoyu Guo, Wen Shian Lin, Chijer Wang, Yi-Nan Chu
  • Patent number: 10162311
    Abstract: A device includes a substrate with a curvilinear perimeter segment adjoined to a plurality of facets, a display area, a border area surrounding the display area, and connection pads, divided into groups corresponding to the facets, in the border area. A flexible circuit board with arms coupled to the groups of connection pads is included. Another device includes a substrate having a display area, first connection pads within a border area peripheral to the display area, and a flexible circuit board having a first portion including second connection pads configured to be coupled to the first connection pads, and a second portion configured to accommodate a plurality of transmission lines extending from the second connection pads. An arc length of the first portion can be greater than that of the second portion and a center-to-center pitch of the second connection pads can be greater than that of the transmission lines.
    Type: Grant
    Filed: May 13, 2016
    Date of Patent: December 25, 2018
    Assignee: QUALCOMM Incorporated
    Inventors: John Hong, Jan Bos, Yi-Nan Chu, Cheonhong Kim
  • Publication number: 20170168463
    Abstract: A device includes a substrate with a curvilinear perimeter segment adjoined to a plurality of facets, a display area, a border area surrounding the display area, and connection pads, divided into groups corresponding to the facets, in the border area. A flexible circuit board with arms coupled to the groups of connection pads is included. Another device includes a substrate having a display area, first connection pads within a border area peripheral to the display area, and a flexible circuit board having a first portion including second connection pads configured to be coupled to the first connection pads, and a second portion configured to accommodate a plurality of transmission lines extending from the second connection pads. An arc length of the first portion can be greater than that of the second portion and a center-to-center pitch of the second connection pads can be greater than that of the transmission lines.
    Type: Application
    Filed: May 13, 2016
    Publication date: June 15, 2017
    Inventors: John Hong, Jan Bos, Yi-Nan Chu, Cheonhong Kim
  • Patent number: 8605121
    Abstract: A dynamic Gamma correction circuit, method thereof and a panel display apparatus are provided. The panel, display apparatus has a timing controller, a dynamic Gamma correction circuit, a display panel and a display driving circuit. The timing controller receives a first image data and then outputs a second image data and a timing control signal. The dynamic Gamma correction circuit receives and analyzes a distribution of gray levels of the first image data so as to dynamically correct and output a plurality of Gamma voltages. The display driving circuit electrically connects to the display panel, the timing controller and the dynamic Gamma correction circuit for receiving the second image data and the Gamma voltage so as to drive the display panel according to the timing control signal.
    Type: Grant
    Filed: October 21, 2005
    Date of Patent: December 10, 2013
    Assignee: Chunghwa Picture Tubes, Ltd.
    Inventors: Yi-Nan Chu, Kuan-Hung Liu
  • Patent number: 8487854
    Abstract: A method for driving a liquid crystal display (LCD) apparatus, wherein the LCD apparatus comprises a plurality of scan rows, a plurality of data columns, and a data driving circuit, includes: driving a plurality of specific scan rows of the plurality of scan rows at a same time; extracting a plurality of pixel data, arranged into a first order, corresponding to the plurality of specific scan rows; arranging the plurality of pixel data into a second order different from the first order according to a connecting relationship between the data driving circuit and a plurality of pixels of the plurality of specific scan rows; and utilizing the data driving circuit to drive a plurality of pixels according to the plurality of pixel data corresponding to the second order.
    Type: Grant
    Filed: December 30, 2008
    Date of Patent: July 16, 2013
    Assignee: Chunghwa Picture Tubes, Ltd.
    Inventors: Jhen-Shen Liao, Kuan-Hung Liu, Yi-Nan Chu
  • Patent number: 8368624
    Abstract: A display method with interlacing reversal scan and a device thereof are provided. The scan mode is interlacing reversal scan. Thus, in time and space, each color frame with poor luminance response can be alternately distributed on up-side and the down-side region of the frame instead on low-side region of the frame. Then, during the period of continuous frame displaying, the present invention may balance color distribution between the up-side and the down-side region, and effectively reduce the flicker phenomenon of the frame.
    Type: Grant
    Filed: February 5, 2008
    Date of Patent: February 5, 2013
    Assignee: Chunghwa Picture Tubes, Ltd.
    Inventors: Jhen-Shen Liao, Kuan-Hung Liu, Yi-Nan Chu
  • Patent number: 8368680
    Abstract: A start protection circuit of a gate driver, which is applied in a liquid crystal display, includes a detection circuit and a switch. The detection circuit monitors a gate low voltage to generate a control signal. The switch is electrically connected to the detection circuit and controlled by the control signal, for transmitting a gate high voltage. The detection circuit outputs the gate low voltage first and monitors if the gate low voltage has reached a predetermined level. When the gate low voltage has reached the predetermined level, the detection circuit turns on the switch to output the gate high voltage.
    Type: Grant
    Filed: September 30, 2009
    Date of Patent: February 5, 2013
    Assignee: Chunghwa Picture Tubes, Ltd.
    Inventors: Chao-Yong Hsu, Ching-Hui Ku, Shin-Chung Huang, Yi-Nan Chu, Lun-Ming Chang, Chia-Yi Lu
  • Publication number: 20120327140
    Abstract: An LCD for reducing motion blur includes a display panel, a source driver, a gate driver, and a timing controller. The display panel includes a plurality of pixels for display an image data. The timing controller includes a timing control unit and a data processing unit. The timing control unit controls the timing of the image data outputting to the source driver and the gate driver. The data processing unit analyzes the image data so as to insert black gray-level for the different pixels of the plurality of pixels in the different frames.
    Type: Application
    Filed: September 4, 2012
    Publication date: December 27, 2012
    Inventors: Tzu-Ming Wu, Jhen-Shen Liao, Yi-Nan Chu
  • Patent number: 8264449
    Abstract: A method for driving a color-sequential display suitable to reduce the color break-up phenomenon of the color-sequential display is disclosed. The method includes: dividing each sub-frame period into a data-writing period and a backlight turned-on period; within the data-writing period, transmitting a data of first color; during a first duration of the backlight turned-on period, turning on a first color backlight; during a second duration of the backlight turned-on period, turning on a second color backlight.
    Type: Grant
    Filed: February 4, 2009
    Date of Patent: September 11, 2012
    Assignee: Chunghwa Picture Tubes, Ltd.
    Inventors: Jhen-Shen Liao, Kuan-Hung Liu, Yi-Nan Chu
  • Patent number: 8258623
    Abstract: A circuit layout of a circuit substrate having a plurality of device bonding areas is provided. The circuit layout includes first pads, second pads, bridging lines, first outer leads and second outer leads. Each device bounding area is configured with one first pad and one second pad. The bridging lines are respectively disposed between any two adjacent device bounding areas and extended from a side of the first pad inside one device bounding area to a side of the second pad inside another one device bounding area adjacent to the first pad. Each first outer lead and each second outer lead are respectively corresponding to one first pad and one second pad, are respectively correspondingly extended into the device bounding area which the first pad and the second pad are located at, and are beside the first pad and the second pad correspondingly.
    Type: Grant
    Filed: August 10, 2009
    Date of Patent: September 4, 2012
    Assignee: Chunghwa Picture Tubes, Ltd.
    Inventors: Hsiang-Chao Lee, Yi-Nan Chu, Hun-Hsiang Chen
  • Patent number: 8164279
    Abstract: A method for controlling a light source driving circuit is provided. The method includes driving a plurality of serially-connected light sources, and measuring a working parameter of the light sources; shorting the light sources sequentially to find out at least a failed light source, when the working parameter is not measured; and remaining shorting the failed light source, and regulating a brightness of the light sources without having the failed light source according to a newest working parameter.
    Type: Grant
    Filed: September 6, 2011
    Date of Patent: April 24, 2012
    Assignee: Chunghwa Picture Tubes, Ltd.
    Inventors: Pi-Lun Chang, Hung-Hsiang Chen, Yi-Nan Chu
  • Patent number: 8125436
    Abstract: A pixel dithering driving method and a timing controller using the same are provided. The method uses the N low order bits of M bits together with at least one virtual bit to build several pixel dithering patterns. After the timing controller uses M bits of data received by the timing controller to look up a specific high order bit value, a specific low order bit value, and a specific pixel dithering value corresponding to the M bits in a predetermined gray level look up table and decides the output gray levels according to the specific high order bit value, the timing controller can further select a specific pixel dithering pattern from the pixel dithering patterns mentioned above according to the specific low order bit value and the specific pixel dithering value.
    Type: Grant
    Filed: March 31, 2008
    Date of Patent: February 28, 2012
    Assignee: Chunghwa Picture Tubes, Ltd.
    Inventors: Tzu-Ming Wu, Kuan-Hung Liu, Yi-Nan Chu
  • Patent number: 8098420
    Abstract: A display method of an electrophoresis display (EPD) device having a display area and a plurality of pixels located in the display area is provided. In the display method, firstly, the display area is divided into a plurality of unit areas. A plurality of pixels exist in each of the unit areas. Then, in some unit areas, at least two pixels in each of the unit areas are enabled to respectively display a first color and a second color, such that the first colors and the second colors are mixed to achieve a mixed color in vision. The first color has a maximum gray-level value. The second color has a minimum gray-level value. A gray-level value of the mixed color is between the maximum gray-level value and the minimum gray-level value.
    Type: Grant
    Filed: May 5, 2010
    Date of Patent: January 17, 2012
    Assignee: Chunghwa Picture Tubes, Ltd.
    Inventors: Ming-Chi Weng, Hung-Hsiang Chen, Yi-Nan Chu
  • Publication number: 20110316425
    Abstract: A method for controlling a light source driving circuit is provided. The method includes driving a plurality of serially-connected light sources, and measuring a working parameter of the light sources; shorting the light sources sequentially to find out at least a failed light source, when the working parameter is not measured; and remaining shorting the failed light source, and regulating a brightness of the light sources without having the failed light source according to a newest working parameter.
    Type: Application
    Filed: September 6, 2011
    Publication date: December 29, 2011
    Applicant: CHUNGHWA PICTURE TUBES, LTD.
    Inventors: Pi-Lun Chang, Hung-Hsiang Chen, Yi-Nan Chu
  • Publication number: 20110291984
    Abstract: A capacitive touch panel and a ghost point determination method are provided. The capacitive touch panel includes a touch sensing plate and a touch sensing module. The touch sensing plate includes a plurality of sensing units. The sensing units are disposed along a first direction and a second direction to from an array. Capacitance values of the sensing units are decreased gradually along the first direction. The touch sensing module is coupled to the touch sensing plate for sensing at least two real touch points.
    Type: Application
    Filed: August 10, 2010
    Publication date: December 1, 2011
    Applicant: CHUNGHWA PICTURE TUBES, LTD.
    Inventors: Chih-Chao Chang, Chao-Yong Hsu, Shin-Chung Huang, Yi-Nan Chu
  • Publication number: 20110254820
    Abstract: An electrophoretic display device and a method for driving the same are disclosed. The electrophoretic display device includes a plurality of pixels, a first electrode layer, a second electrode layer, a driving voltage generating unit, and an electrophoretic layer disposed between the first electrode layer and the second electrode layer. The driving voltage generating unit is capable of providing a plurality of various driving voltages to drive charged particles in the electrophoretic layer, so as to increase the number of gray levels displayed by the electrophoretic display device.
    Type: Application
    Filed: June 14, 2010
    Publication date: October 20, 2011
    Applicant: CHUNGHWA PICTURE TUBES, LTD.
    Inventors: Chi-ming Lu, Hung-hsiang Chen, Yi-nan Chu
  • Patent number: 8035310
    Abstract: A light source driving circuit including a driving module, a plurality of first switches, a detecting unit, and a control unit is provided. The plurality of first switches is respectively coupled to corresponding light sources and these light sources are driven by the driving module. The detecting unit is coupled to the driving module to detect a working parameter of each light source and transmit the working parameter to the control unit. When the detecting unit detects some of these light sources are broken down, the control unit sequentially turns on the first switches to find out the failed light source. Moreover, the first switch coupled to the failed light source is remained on, and the driving signal is regulated according to the number of the failed light source, such that the brightness of the panel does not decrease.
    Type: Grant
    Filed: April 22, 2008
    Date of Patent: October 11, 2011
    Assignee: Chunghwa Picture Tubes, Ltd.
    Inventors: Pi-Lun Chang, Hung-Hsiang Chen, Yi-Nan Chu
  • Publication number: 20110205260
    Abstract: A liquid crystal display device includes a plurality of gate lines, a plurality of main data lines, a plurality of sub-data lines, a switch circuit and a pixel array. The gate lines are configured to transmit a plurality of gate driving signals, while the data lines and sub-data lines are configured to transmit a plurality of data driving signals. The switch circuit controls the paths through which the data driving signals are transmitted to the sub-data lines. The pixel array includes a plurality of first and second pixel units. Each first pixel unit displays images according to the gate driving signal received from a corresponding gate line and the data driving signal received from a corresponding main data line. Each second pixel unit displays images according to the gate driving signal received from a corresponding gate line and the data driving signal received from a corresponding sub-data line.
    Type: Application
    Filed: May 11, 2010
    Publication date: August 25, 2011
    Inventors: Ming-Chi Weng, Hung-Hsiang Chen, Yi-Nan Chu
  • Publication number: 20110163965
    Abstract: A touch panel including a substrate, a sensing array and a signal detecting layer is provided. The sensing array disposed over the substrate comprises a plurality of sensing pads arranged in array, wherein the sensing pads includes a plurality of first sensing pads arranged along a first direction and a plurality of second sensing pads arranged along a second direction, and the first direction intersects the second direction. The signal detecting layer is interlaid between the sensing array and the substrate, wherein the signal detecting layer includes a plurality of individual signal detecting units. Each of the signal detecting units is corresponding to more than one sensing pads for detecting a variation of electric field due to a touching event. By which, erroneous sensing of the touch panel can be prevented. Furthermore, a detecting method for multiple-touching applied to the touch panel and a touch display apparatus are provided.
    Type: Application
    Filed: April 9, 2010
    Publication date: July 7, 2011
    Applicant: CHUNGHWA PICTURE TUBES, LTD.
    Inventors: Chao-Yong Hsu, Shih-Hung Huang, Shin-Chung Huang, Yi-Nan Chu
  • Publication number: 20110157680
    Abstract: A display method of an electrophoresis display (EPD) device having a display area and a plurality of pixels located in the display area is provided. In the display method, firstly, the display area is divided into a plurality of unit areas. A plurality of pixels exist in each of the unit areas. Then, in some unit areas, at least two pixels in each of the unit areas are enabled to respectively display a first color and a second color, such that the first colors and the second colors are mixed to achieve a mixed color in vision. The first color has a maximum gray-level value. The second color has a minimum gray-level value. A gray-level value of the mixed color is between the maximum gray-level value and the minimum gray-level value.
    Type: Application
    Filed: May 5, 2010
    Publication date: June 30, 2011
    Inventors: Ming-Chi WENG, Hung-Hsiang CHEN, Yi-Nan CHU