×

LED display apparatus and LED displaying method

  • US 5,995,070 A
  • Filed: 05/22/1997
  • Issued: 11/30/1999
  • Est. Priority Date: 05/27/1996
  • Status: Expired due to Fees
First Claim
Patent Images

1. An LED display apparatus, comprising:

  • (a) an LED panel comprising a number of dots, each of said dots comprising a plurality of neighboring color LEDs, said LEDs being arranged in a repeating regular pattern in said panel;

    (b) a display data storage means for storing display data comprising a plurality of data pieces greater in number than said number of dots, said plurality of data pieces being stored in blocks equal in number to said number of dots, each of said blocks being divided into a number of sections;

    (c) a pixel data read-out means for reading out from said display data storage means pixel data, comprising a plurality of said data pieces, for all of said dots according to a read-out address signal identifying corresponding ones of said sections within each of said blocks;

    (d) a read-out operation counting means for counting a number of said pixel data that said read-out means reads out from said storage means;

    (e) an address determining means for providing said read-out address signal to said read-out means, said address determining means changing said address signal to identify a different one of said sections of said blocks in response to an output from said counting means indicating that said number of said pixel data read out by said read-out means is equal to said number of said blocks; and

    (f) an LED control means for changing a combination of said neighboring LEDs according to said one of said sections identified by said address determining means and driving said combination of said LEDs to display on said panel said pixel data read out by said read-out means.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×