Patents by Inventor Yen-Nan LIU

Yen-Nan LIU 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: 20240085739
    Abstract: A wavelength conversion element including a substrate, a blocking wall structure layer, and a wavelength conversion layer is provided. The blocking wall structure layer is disposed on a surface of the substrate and defines multiple microgrooves. Reflectivity of the blocking wall structure layer is in a range of 1% to 99%. The wavelength conversion layer is disposed in the microgrooves and includes multiple wavelength conversion particles. A height of the blocking wall structure layer along a normal direction of the surface of the substrate is greater than a height of the wavelength conversion layer along the normal direction of the surface of the substrate. A backlight module adopting the wavelength conversion element is also provided.
    Type: Application
    Filed: September 4, 2023
    Publication date: March 14, 2024
    Applicant: Nano Precision Taiwan Limited
    Inventors: Ching-Nan Chuang, Hung-Tse Lin, Ming-Dah Liu, Yen-Ni Lin
  • Patent number: 10727689
    Abstract: A power outlet device including a first socket assembly coupled to an external power, a first switch, a detecting circuit coupled to first socket assembly through the first switch, and a controller is provided. The first switch is coupled to the first socket assembly for turning, on or off the power supply of the first socket assembly. The detecting circuit detects at least one power value of the first socket assembly. The controller is coupled to the first switch and the detecting circuit respectively, and averages the plurality of power values within a predetermined time for generating an average power value. The controller turns on or off the first switch according to the average power value and a current power value. A controlling method of the power outlet device is further provided.
    Type: Grant
    Filed: January 17, 2018
    Date of Patent: July 28, 2020
    Assignee: CYBER POWER SYSTEMS, INC.
    Inventors: Chih-Hao Hsu, Yen-Nan Liu
  • Patent number: 10581207
    Abstract: A power outlet device including a first socket assembly coupled to an external power, a first switch, a detecting circuit coupled to the first socket assembly through the first switch, a controller is electrically coupled to the first switch and the detecting circuit, and a sensor is provided. The first switch is electrically coupled to the first socket assembly for turning on or oft power supply of the external power to the first socket assembly. The detecting circuit detects a first power value of the first socket assembly. A second power value of the first socket assembly is detected after detecting the first power value. The controller read the first and second power value. A first signal is received by the sensor for transmitting to the controller. The controller turns on or off the first switch according to the first signal, the first and second power value. A controlling method of the power outlet device is further provided.
    Type: Grant
    Filed: January 17, 2018
    Date of Patent: March 3, 2020
    Assignee: CYBER POWER SYSTEMS, INC.
    Inventors: Yen-Nan Liu, Chih-Hao Hsu
  • Publication number: 20190067885
    Abstract: A power outlet device including a first socket assembly coupled to an external power, a first switch, a detecting circuit coupled to the first socket assembly through the first switch, a controller is electrically coupled to the first switch and the detecting circuit, and a sensor is provided. The first switch is electrically coupled to the first socket assembly for turning on or oft power supply of the external power to the first socket assembly. The detecting circuit detects a first power value of the first socket assembly. A second power value of the first socket assembly is detected after detecting the first power value. The controller read the first and second power value. A first signal is received by the sensor for transmitting to the controller. The controller turns on or off the first switch according to the first signal, the first and second power value. A controlling method of the power outlet device is further provided.
    Type: Application
    Filed: January 17, 2018
    Publication date: February 28, 2019
    Applicant: CYBER POWER SYSTEMS, INC.
    Inventors: YEN-NAN LIU, CHIH-HAO HSU
  • Publication number: 20190067983
    Abstract: A power outlet device including a first socket assembly coupled to an external power, a first switch, a detecting circuit coupled to first socket assembly through the first switch, and a controller is provided. The first switch is coupled to the first socket assembly for turning, on or off the power supply of the first socket assembly. The detecting circuit detects at least one power value of the first socket assembly. The controller is coupled to the first switch and the detecting circuit respectively, and averages the plurality of power values within a predetermined time for generating an average power value. The controller turns on or off the first switch according to the average power value and a current power value. A controlling method of the power outlet device is further provided.
    Type: Application
    Filed: January 17, 2018
    Publication date: February 28, 2019
    Applicant: CYBER POWER SYSTEMS, INC.
    Inventors: CHIH-HAO HSU, YEN-NAN LIU
  • Patent number: 9941644
    Abstract: A power outlet device including a outer element, a light indicating element and a outlet module is provided. The outer element has a first portion and at least one second portion. The first portion is configured out of the second portion. At least one first through hole is configured in the second portion. The first portion and the second portion are opaque portions. The light indicating element has at least one lighting set corresponding to one second portion. Each lighting set has at least one lighting unit. Each lighting unit is configured in the inner periphery of each first through hole of the second portion. The light indicating element is configured in the outlet module, and the outer element is configured on the light indicating element. Wherein, each lighting unit is exposed from the corresponding first through hole.
    Type: Grant
    Filed: July 26, 2017
    Date of Patent: April 10, 2018
    Assignee: CYBER POWER SYSTEMS, INC.
    Inventors: Yen-Nan Liu, Chang-Ming Lee
  • Patent number: 9450453
    Abstract: An uninterruptible power supply (UPS) system with energy feedback to chargers and sinusoidal output charges a battery pack through a first charger under a mains mode. Under a battery mode, the UPS boosts DC voltage outputted from the battery pack to a higher voltage level through a DC-to-DC conversion module, converts the DC voltage to a sinusoidal AC voltage through a DC-to-AC conversion module, and supplies the sinusoidal AC voltage to a load. When the load has energy storage elements and discharged energy occurs in a power supply loop, a micro-controller unit can control the discharged power to charge the battery pack through a second charger, thereby solving the issue of the discharged power from the energy storage elements of the load and enhancing the operational efficiency of the UPS.
    Type: Grant
    Filed: September 2, 2013
    Date of Patent: September 20, 2016
    Assignee: CYBER POWER SYSTEMS INC.
    Inventors: Shou-Ting Yeh, Cheng-Yen Lo, Shih-Chin Chi, Yen-Nan Liu
  • Publication number: 20150061395
    Abstract: An uninterruptible power supply (UPS) system with energy feedback to chargers and sinusoidal output charges a battery pack through a first charger under a mains mode. Under a battery mode, the UPS boosts DC voltage outputted from the battery pack to a higher voltage level through a DC-to-DC conversion module, converts the DC voltage to a sinusoidal AC voltage through a DC-to-AC conversion module, and supplies the sinusoidal AC voltage to a load. When the load has energy storage elements and discharged energy occurs in a power supply loop, a micro-controller unit can control the discharged power to charge the battery pack through a second charger, thereby solving the issue of the discharged power from the energy storage elements of the load and enhancing the operational efficiency of the UPS.
    Type: Application
    Filed: September 2, 2013
    Publication date: March 5, 2015
    Applicant: CYBER POWER SYSTEMS INC.
    Inventors: Shou-Ting YEH, Cheng-Yen LO, Shih-Chin CHI, Yen-Nan LIU