Patents by Inventor Ricky Ng

Ricky Ng 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).

  • Patent number: 7400098
    Abstract: According to the present invention, a display driver includes a voltage and current source that drive pixels and compensate for parasitic voltage to produce row pixels having intensities that are relatively uncorrelated to the number of “ON” pixels in a given row. The voltage source that provides the pre-charge for each pixel includes a constant value and a compensation voltage determined based on the number of “ON” pixels in each row. The compensation voltage is also determined based on the characteristics of the diodes associated with each pixel and the resistance associated the common ground of each row.
    Type: Grant
    Filed: December 30, 2003
    Date of Patent: July 15, 2008
    Assignee: Solomon Systech Limited
    Inventors: Chung Yee Ricky Ng, Stephen Wai-Yan Lai, Wai Yu Felix Wong, Cheung Fai Lee
  • Patent number: 7333078
    Abstract: A driving system and method for electroluminescence displays having a matrix of electroluminescence elements arrayed in rows and columns with a control circuit for discharging each anode line to a column equalization bus (CEB), includes connecting the charged anode line to the CEB at the end of activation of each anode line. Discharging and subsequent de-activation of the anode line are allowed by charge-sharing with un-activated anode lines that are to be activated for the next row. This is accomplished by connecting the charged anode line to the CEB. In displaying images, anode lines are activated for a number of time periods according to gray scale or color data. Anode lines are consequently de-activated accordingly at different times during a lighting phase for each row display time. When anode lines are discharged through charge sharing on the CEB, a control circuit maintains the voltage on the CEB below a level that may cause inadvertent activation of the de-activated elements.
    Type: Grant
    Filed: December 29, 2003
    Date of Patent: February 19, 2008
    Assignee: Solomon Systech Limited
    Inventors: Wai-Yan Stephen Lai, Chung Yee Ricky Ng, Wai Yu Wong
  • Publication number: 20050146281
    Abstract: According to the present invention, a display driver includes a voltage and current source that drive pixels and compensate for parasitic voltage to produce row pixels having intensities that are relatively uncorrelated to the number of “ON” pixels in a given row. The voltage source that provides the pre-charge for each pixel includes a constant value and a compensation voltage determined based on the number of “ON” pixels in each row. The compensation voltage is also determined based on the characteristics of the diodes associated with each pixel and the resistance associated the common ground of each row.
    Type: Application
    Filed: December 30, 2003
    Publication date: July 7, 2005
    Inventors: Chung Ricky Ng, Stephen Lai, Wai Felix Wong, Cheung Lee
  • Patent number: 6501226
    Abstract: A driving system and its corresponding driving scheme for electroluminescence displays that employs the principle of electric charge conservation and recycling in order to reduce switching current requirement against the system power source. In an electroluminescence display of a matrix of electroluminescence elements arrayed in rows and columns, wherein anodes of the electroluminescence elements on each row being electrically connected to a corresponding anode line, and cathodes of the electroluminescence elements on each column being electrically connected to a corresponding cathode line, a driving system for driving said electroluminescence display comprises a row/column control circuit for lighting at least one of said electroluminescence elements by establishing an electrical route across the power source and the ground in a driving scheme. The driving scheme sequentially scans each of the cathode lines while simultaneously drives at least one of the anode lines during each scanning.
    Type: Grant
    Filed: February 12, 2001
    Date of Patent: December 31, 2002
    Assignee: Solomon Systech Limited
    Inventors: Wai-Yan Stephen Lai, Wah Chi Raymond Wang, Hing Kau Stephen Cheung, Wai Yu Felix Wong, Chung Yee Ricky Ng
  • Patent number: 6485017
    Abstract: A toy top maze game. The maze game includes a maze board upon which at least one spinning top is placed. The maze board has a top surface. A grove is disposed in the top surface of the maze board. The groove defines a maze pathway capable of guiding the spinning top placed on the maze board. The maze pathway on the maze board follows a pattern that is capable of being selectively altered between a plurality of possible patterns. By changing the pattern of the maze pathway, different patterns can be created that vary in both length and complexity. Accordingly, the maze board can be reconfigured to match the skills of the person playing the game.
    Type: Grant
    Filed: April 14, 2000
    Date of Patent: November 26, 2002
    Inventor: Ricky Ng
  • Publication number: 20020097002
    Abstract: A driving system and its corresponding driving scheme for electroluminescence displays that employs the principle of electric charge conservation and recycling in order to reduce switching current requirement against the system power source. In an electroluminescence display of a matrix of electroluminescence elements arrayed in rows and columns, wherein anodes of the electroluminescence elements on each row being electrically connected to a corresponding anode line, and cathodes of the electroluminescence elements on each column being electrically connected to a corresponding cathode line, a driving system for driving said electroluminescence display comprises a row/column control circuit for lighting at least one of said electroluminescence elements by establishing an electrical route across the power source and the ground in a driving scheme. The driving scheme sequentially scans each of the cathode lines while simultaneously drives at least one of the anode lines during each scanning.
    Type: Application
    Filed: February 12, 2001
    Publication date: July 25, 2002
    Inventors: Wai-Yan Stephen Lai, Wah Chi Raymond Wang, Hing Kau Stephen Cheung, Wai Yu Felix Wong, Chung Yee Ricky Ng
  • Patent number: 6364734
    Abstract: A toy top system that uses uniquely configured tops. The system contains a plurality of toy tops that can be stacked on top of one another while spinning. Each of the tops has a value for rotational inertia associated with it. At least some of the tops are configured to have a value for rotational inertia that varies as a function of the rotational speed of the top. The tops with a variable rotational inertia are capable of storing and providing rotational energy while maintaining a near constant rate of rotation.
    Type: Grant
    Filed: April 14, 2000
    Date of Patent: April 2, 2002
    Inventor: Ricky Ng
  • Patent number: 6023256
    Abstract: An LCD Driver System (10) includes a row decoder (38) for providing command signals to row drivers (50) and a RAM row decoder (64) for controlling a RAM (76) which supplies data to a column driver (88). The row and column drivers (50 and 88) are supplied with power by a power source (58) which can supply either high or low voltages. In normal mode, the power source (58) supplies high voltage and the row driver (50) drives both a dot matrix portion (14) and an icon portion (16) of an LCD display. In an icon mode, a disable signal disables the row decoder (38) and the RAM row decoder (64), enables only the icon row driver (54) of the row drivers (50) and the icon row of the RAM (76) and switches the power source (58) to supply low voltage so as to save power.
    Type: Grant
    Filed: May 13, 1997
    Date of Patent: February 8, 2000
    Assignee: Motorola, Inc.
    Inventors: Chung Yee Ricky Ng, Yiu Sang Lei, Ming Leung Lighten Tse, Hing Kau Stephen Cheung