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Method-and-device-for-enhancing-the-resolution-of-color-flat-panel-displays-and-cathode-ray-tube-displays

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Method and device for enhancing the resolution of color flat panel displays and cathode ray tube displays

Details

Inventors: Lam, Siu;
Assignee: Datascope Investment Corp. (Montvale, NJ)
Primary Examiner: Shankar; Vijay
Assistant Examiner:
Attorney, Agent or Firm: Ronai; Abraham

A method and device for increasing the horizontal resolution of both a color flat panel display and a cathode ray tube (CRT) display. The method involves fine horizontal positioning of pixels according to information encoded in the color. Since pixel size is not changed, the display and processing bandwidth requirement is not increased. For the case of the color flat panel display, the fact that each pixel is constructed of a horizontal stripe of 3 primary color sub-pixels is utilized. Complex color information is spread across adjacent pixels to increase the apparent horizontal resolution by a factor of three. For the case of the CRT, a clock multiplier is used to multiply the video clock frequency by three. The apparent horizontal resolution of the CRT is increased by a factor of three by delaying pixels a varying multiple of this high clock speed. By encoding the fine repositioning information in the pixel color, the same display output can be post-processed respectively for the color flat panel and the CRT, allowing them to be driven and resolution enhanced simultaneously.

DETAILED DESCRIPTION Accordingly, it is an object of the invention to produce a post processing method and device for increasing the effective horizontal resolution of waveform displayed on a color flat panel display by a factor of three.
It is another object of the invention to produce a method and device for enhancing the resolution of a color flat panel display without blurring the display.
It is a further object of the invention to produce a method and device for enhancing the effective resolution of a color flat panel display which can be used in conjunction with traditional gray scale anti-aliasing techniques to further enhance the display.
It is yet a further object of the invention to produce a device for similarly enhancing the effective resolution of a waveform on a CRT display.
It is still yet a further object of the invention to produce a device for enhancing the effective horizontal resolution of a waveform on a CRT display which can be used in conjunction with traditional gray scale anti-aliasing techniques to further enhance the display.
It is still another object to produce a device capable of enhancing the effective horizontal resolution of a waveform on both a color flat panel and a CRT display being simultaneously driven.
It is still a further object of the invention to produce software capable of enhancing the horizontal resolution of a color flat panel display by a factor of three.
The invention is a method and device for increasing the horizontal resolution of both a color flat panel display and a cathode ray tube (CRT) display.
The method involves fine horizontal positioning of pixels according to information encoded in the color.
Since pixel size is not changed, the display and processing bandwidth requirement is not increased.
For the case of the color flat panel display, the fact that each pixel is constructed of a horizontal stripe of 3 primary color sub-pixels is utilized.
Complex color information is spread across adjacent pixels to increase the apparent horizontal resolution by a factor of three

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