Patents by Inventor Chun-Yi Wu

Chun-Yi Wu 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: 20160049802
    Abstract: A chip is provided. A power transmission path and a data transmission path are coupled between an upstream port and a downstream port. A first detection unit generates a first trigger signal when a voltage level of the power transmission path reaches a first predetermined value. A first control unit turns on the data transmission path according to the first trigger signal. A second detection unit detects a voltage level of the data transmission path. When the voltage level of the data transmission path matches a pre-determined condition, the second detection unit generates a second trigger signal, and the first control unit turns off the data transmission path according to the second trigger signal. A setting unit sets the voltage level of the data transmission path when the first control unit turns off the data transmission path.
    Type: Application
    Filed: January 6, 2015
    Publication date: February 18, 2016
    Inventors: Chun-Yi WU, Ping-Ying CHU
  • Publication number: 20150375522
    Abstract: A scanning light-emitting chip and a printing head having one or more scanning light-emitting chips are provided. The scanning light-emitting chip has a shift circuit and a light-emitting circuit. The shift circuit includes shift thyristors, first diodes, a second diode, and shift signal lines. The light-emitting circuit includes light-emitting thyristors and a light-emitting control line. The first diodes are sequentially connected in series, and each first diode is electrically connected between two adjacent shift thyristors. A first end of the second diode is electrically connected to the connection between the first one of the first diode and the corresponding shift thyristor. A second end of the second diode is connected to the light-emitting control line or to ground through the ground resistor. Therefore, fewer control lines may be applied to actuate the shift circuit and to control the light emission of the light-emitting thyristors.
    Type: Application
    Filed: June 8, 2015
    Publication date: December 31, 2015
    Inventor: Chun-Yi Wu
  • Patent number: 9182087
    Abstract: A light guide includes a light input surface which has two first edges, an output surface parallel to and larger than the input surface, and two connecting surfaces, each of which interconnects the light input surface and said light input surface and has an inclined segment. Relationships of ?<?T and L>(AD)/(tan ?T) are satisfied, where ? is an included angle defined between extensions of the inclined segments of the connecting surfaces, ?T is a critical angle for total internal reflection associated with the light guide, (L) is a distance between the light input and output surfaces, and (AD) is a distance between a location of incidence of a light beam on the light input surface and one of the first edges.
    Type: Grant
    Filed: January 3, 2014
    Date of Patent: November 10, 2015
    Assignee: Radiant Opto-Electronics Corporation
    Inventors: Wei-Hsuan Chen, Yung-Hui Tai, Chun-Yi Wu
  • Publication number: 20150219829
    Abstract: A lighting assembly includes a light source, a light guiding plate and a reflecting member. The light guiding plate has a light input surface, a light output surface extending from the light input surface, a connecting surface and a reflecting surface. The connecting surface has an inclined segment. Extensions of the inclined segment and the light output surface cooperatively define a first included angle. The reflecting surface interconnects the connecting surface and the light output surface, cooperates with the light output surface to define a second included angle, and mounted with the reflecting member. A thickness of the light guiding plate at the reflecting surface is greater than that at the light input surface.
    Type: Application
    Filed: April 16, 2015
    Publication date: August 6, 2015
    Applicant: Radiant Opto-Electronics Corporation
    Inventors: Wei-Hsuan CHEN, Yung-Hui TAI, Chun-Yi WU
  • Publication number: 20150214734
    Abstract: A control chip including a plurality of first pins, a plurality of second pins, a plurality of third pins, a level detection unit, a determining unit and a control unit is provided. The first pins are coupled to a host device via a first connection port. The second pins are coupled to an electronic device via a second connection port. The third pins are coupled to a peripheral device via a third connection port. The level detection unit detects the first and second pins to generate a first detection result. The determining unit determines whether a portion of the first and second pins transmit data to generate a determination result. The control unit adjusts a level of a specific pin among the first and second pins according to the first detection result and the determination result.
    Type: Application
    Filed: May 30, 2014
    Publication date: July 30, 2015
    Applicant: Nuvoton Technology Corporation
    Inventors: Chun-Yi WU, Ping-Ying CHU
  • Patent number: 9033566
    Abstract: A light guiding device includes a light input surface, a light output surface extending from a first edge of the light input surface, a connecting surface extending from a second edge of the light input surface, and a reflecting surface interconnecting the output surface and the connecting surface. Relationships of ?<?, ?<?T and L?(AD)/tan ? are satisfied, where ?T is a critical angle for total internal reflection, ? is an angle between extensions of the connecting surface and the light output surface, ? is an angle between the reflecting and light output surfaces, (L) is a distance between the second edge and the end edge, and (AD) is a distance between a location of incidence of a light beam on the light input surface and one of the first or second edge.
    Type: Grant
    Filed: January 6, 2014
    Date of Patent: May 19, 2015
    Assignee: RADIANT OPTO-ELECTRONICS CORPORATION
    Inventors: Wei-Hsuan Chen, Yung-Hui Tai, Chun-Yi Wu
  • Patent number: 9013580
    Abstract: A method and a system for adjusting display parameters are provided. In the method, at least one real display parameter of a display to be adjusted is measured. A target template in accordance with the at least one real display parameter is searched from a plurality of templates stored in a database and target parameter adjusting data recorded in the searched target template is obtained, in which each template in the database records the at least one reference display parameter of a tested display and the reference parameter adjusting data used to adjust the tested display. Finally, the display is set and adjusted according to the obtained target parameter adjusting data.
    Type: Grant
    Filed: November 26, 2013
    Date of Patent: April 21, 2015
    Assignee: Wistron Corporation
    Inventors: Ching-Nan Lin, Chia-Yi Chen, Chun-Yi Wu, Kuo-Ting Ho
  • Publication number: 20140355271
    Abstract: A light guide includes a light input surface which has two first edges, an output surface parallel to and larger than the input surface, and two connecting surfaces, each of which interconnects the light input surface and said light input surface and has an inclined segment. Relationships of ?<?T and L>(AD)/(tan ?T) are satisfied, where ? is an included angle defined between extensions of the inclined segments of the connecting surfaces, ?T is a critical angle for total internal reflection associated with the light guide, (L) is a distance between the light input and output surfaces, and (AD) is a distance between a location of incidence of a light beam on the light input surface and one of the first edges.
    Type: Application
    Filed: January 3, 2014
    Publication date: December 4, 2014
    Applicant: Radiant Opto-Electronics Corporation
    Inventors: Wei-Hsuan CHEN, Yung-Hui TAI, Chun-Yi WU
  • Publication number: 20140347888
    Abstract: A light guiding device includes a light input surface, a light output surface extending from a first edge of the light input surface, a connecting surface extending from a second edge of the light input surface, and a reflecting surface interconnecting the output surface and the connecting surface. Relationships of ?<?, ?<?T and L?(AD)/tan? are satisfied, where ?T is a critical angle for total internal reflection, ? is an angle between extensions of the connecting surface and the light output surface, ? is an angle between the reflecting and light output surfaces, (L) is a distance between the second edge and the end edge, and (AD) is a distance between a location of incidence of a light beam on the light input surface and one of the first or second edge.
    Type: Application
    Filed: January 6, 2014
    Publication date: November 27, 2014
    Applicant: Radiant Opto-Electronics Corporation
    Inventors: Wei-Hsuan CHEN, Yung-Hui TAI, Chun-Yi WU
  • Patent number: 8897027
    Abstract: A bonding pad structure is disclosed, which is composed of two bonding pad units that are symmetrically disposed with respect to an axial line. Each bonding pad units is further composed of at least two bonding pads, i.e. each bonding pad unit is composed of at least one first bonding pad and at least one second bonding pad. In an embodiment, the first bonding pad is arranged next to the axial line and the second bonding pad is arranged at a side of the corresponding first bonding pad away from the axial line while enabling the first bonding pad and the corresponding second bonding pad to be interconnected to each other by a first neck portion. Thereby, a plurality of solder areas of different sizes can be formed by the interconnecting of the at least two bonding pad units that can be used for soldering electronic components of different sizes.
    Type: Grant
    Filed: May 27, 2011
    Date of Patent: November 25, 2014
    Assignee: Wintek Corporation
    Inventors: Han-Chung Chen, Chun-Yi Wu, Shih-Cheng Wang, Chin-Mei Huang, Tsui-Chuan Wang, Pei-Fang Tsai
  • Patent number: 8882290
    Abstract: A light-mixing type light-emitting apparatus comprises a plurality of light-emitting diodes (LEDs) formed on a transparent carrier, wherein each of the LEDs with a transparent substrate emits light of a distinct color when driven, and the light beams generated from the LEDs are mixed to form a specific color. The transparent carrier setting forth in the present invention provides a mixing zone underlying the plurality of LEDs for the light beams to mix uniformly so as to improve the light-mixing efficiency of the light-emitting apparatus and shorten the mixing distance.
    Type: Grant
    Filed: May 15, 2007
    Date of Patent: November 11, 2014
    Assignee: Epistar Corporation
    Inventors: Min-Hsun Hsieh, Chia-Liang Hsu, Chien-Fu Huang, Chih-Chiang Lu, Chun-Yi Wu
  • Publication number: 20140307105
    Abstract: A method and a system for adjusting display parameters are provided. In the method, at least one real display parameter of a display to be adjusted is measured. A target template in accordance with the at least one real display parameter is searched from a plurality of templates stored in a database and target parameter adjusting data recorded in the searched target template is obtained, in which each template in the database records the at least one reference display parameter of a tested display and the reference parameter adjusting data used to adjust the tested display. Finally, the display is set and adjusted according to the obtained target parameter adjusting data.
    Type: Application
    Filed: November 26, 2013
    Publication date: October 16, 2014
    Applicant: Wistron Corporation
    Inventors: Ching-Nan Lin, Chia-Yi Chen, Chun-Yi Wu, Kuo-Ting Ho
  • Patent number: 8845143
    Abstract: A photoelectronic device including a carrier, a light-emitting component mounted on the carrier; a patterned structure deposited on the carrier and around the light-emitting component; and a transparent sealing structure formed above the light-emitting component. The patterned structure mentioned above can cause the transparent sealing structure to be focused above the light-emitting component, and restrained in the patterned structure. The transparent sealing structure with predetermined proportional configuration is obtained by controlling the quantity of the transparent sealing structure. Therefore light efficiency of the photoelectronic device can be greatly improved.
    Type: Grant
    Filed: October 29, 2008
    Date of Patent: September 30, 2014
    Assignee: Epistar Corporation
    Inventors: Chia-Liang Hsu, Chien-Fu Huang, Chun-Yi Wu
  • Publication number: 20140223212
    Abstract: A power management circuit is provided. The power management circuit includes a power switch, a current/voltage detector, a current setting unit, and a control unit. The power switch is coupled to a power supply of the computer system. When the power switch is turned on, it supplies an output current and an output voltage of the power supply to an external device. The current/voltage detector detects the magnitudes of the output current and the output voltage. The current setting unit sets a plurality of current thresholds. When the computer system is in a power-saving state and when the output current is greater than a first current threshold and smaller than a second current threshold or the output voltage is smaller than a first voltage threshold and larger than a second voltage threshold, the control unit issues a notification signal to execute a predetermined operation on the power supply.
    Type: Application
    Filed: March 15, 2013
    Publication date: August 7, 2014
    Applicant: NUVOTON TECHNOLOGY CORPORATION
    Inventors: Chun-Yi Wu, Ping-Ying Chu, Shih-Hsuan Yen, Shih-Hsuan Hsu
  • Publication number: 20140014994
    Abstract: An optoelectronic device comprising a substrate; a first window layer on the substrate, having a first sheet resistance, a first thickness, and a first impurity concentration; a second window layer having a second sheet resistance, a second thickness, and a second impurity concentration; and a semiconductor system between the first window layer and the second window layer; wherein the second window layer comprises a semiconductor material different from the semiconductor system, and the second sheet resistance is greater than the first sheet resistance.
    Type: Application
    Filed: July 1, 2013
    Publication date: January 16, 2014
    Inventors: Shih-I Chen, CHIA-LIANG HSU, Tzu-Chieh Hsu, Chun-Yi Wu, Chien-Fu Huang, Ching-Pei Lin
  • Publication number: 20130335010
    Abstract: A connector is provided. In one embodiment, the connector conforms to a data communication standard, and is connected to a cable, and comprises a contact opening and a control chip. The contact opening comprises a plurality of first contacts on a first side for performing a data communication process, and a plurality of second contacts on a second side for performing a rapid charging process. The control chip is coupled between the contact opening and the cable, and couples the second contacts to a downstream power port of the cable when the second contacts of the contact opening is coupled to a host connector of a host.
    Type: Application
    Filed: March 14, 2013
    Publication date: December 19, 2013
    Applicant: NUVOTON TECHNOLOGY CORPORATION
    Inventors: Chun-Yi WU, Chia-Ching LU, Ping-Ying CHU
  • Patent number: 8513699
    Abstract: The present invention is related to a light-emitting device. The present invention illustrates a vertical light-emitting device in one embodiment, comprising the following elements: a conductive substrate includes a through-hole, a patterned semiconductor structure disposed on a first surface of the substrate, a first bonding pad and a second bonding pad disposed on a second surface of the substrate, a conductive line passing through the through-hole connecting electrically the semiconductor structure layer, and an insulation layer on at least one sidewall of the through-hole insulates the conductive line form the substrate.
    Type: Grant
    Filed: June 30, 2011
    Date of Patent: August 20, 2013
    Assignee: Epistar Corporation
    Inventors: Chia-Liang Hsu, Chih-Chiang Lu, Chien-Fu Huang, Chun-Yi Wu
  • Patent number: D694723
    Type: Grant
    Filed: May 30, 2012
    Date of Patent: December 3, 2013
    Assignee: Epistar Corporation
    Inventors: Chun-Yi Wu, Wen-Luh Liao, Hung-Ta Cheng
  • Patent number: D700152
    Type: Grant
    Filed: April 26, 2013
    Date of Patent: February 25, 2014
    Assignee: Epistar Corporation
    Inventors: Chia-Liang Hsu, Chun-Yi Wu, Shih-I Chen
  • Patent number: D737228
    Type: Grant
    Filed: February 7, 2014
    Date of Patent: August 25, 2015
    Assignee: Epistar Corporation
    Inventors: Shih-I Chen, Chia-Liang Hsu, Chun-Yi Wu