Patents by Inventor Jeremy K. Yaeger

Jeremy K. Yaeger 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).

  • LED backlight controller
    Patent number: 9418611
    Abstract: The line banding image artifact that results from the interaction of LCD ripple and LED flicker in an LCD device that utilizes LED backlighting strings is substantially reduced by selecting a number of LED strings, individually driving the number of LED strings with a corresponding number of identical clock signals that are equally phase delayed, and selecting the frequency of the clock signals so that the product of the frequency of the clock signal multiplied by the number of LED strings is equal to the line clock frequency.
    Type: Grant
    Filed: June 6, 2011
    Date of Patent: August 16, 2016
    Assignee: NATIONAL SEMICONDUCTOR CORPORATION
    Inventors: Tuomas Tapani Tuikkanen, Jeremy K. Yaeger, Mikko Topi Loikkanen, Tomi Juhani Koskela
  • LED Backlight Controller
    Publication number: 20120182209
    Abstract: The line banding image artifact that results from the interaction of LCD ripple and LED flicker in an LCD device that utilizes LED backlighting strings is substantially reduced by selecting a number of LED strings, individually driving the number of LED strings with a corresponding number of identical clock signals that are equally phase delayed, and selecting the frequency of the clock signals so that the product of the frequency of the clock signal multiplied by the number of LED strings is equal to the line clock frequency.
    Type: Application
    Filed: June 6, 2011
    Publication date: July 19, 2012
    Inventors: Tuomas Tapani Tuikkanen, Jeremy K. Yaeger, Mikko Topi Loikkanen, Tomi Juhani Koskela