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Lighted display including led's mounted on a flexible circuit board

  • US 4,774,434 A
  • Filed: 08/13/1986
  • Issued: 09/27/1988
  • Est. Priority Date: 08/13/1986
  • Status: Expired due to Term
First Claim
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1. A flexible LED display comprising flexible circuit board means having a plurality of electrical conductive paths thereon;

  • a plurality of individual LED dies secured to said circuit board means in predetermined positions to mate with a desired design;

    means electrically connecting said individual LED dies to appropriate conducting paths of said circuit board;

    material encapsulating each individual LED die to provide physical protection for the die and act as a lens for light emitted from the die;

    electronic control circuit means electrically connected to the conductive paths on said circuit board for supplying power to selected conductive paths to thereby illuminate selected LEDs;

    means adapted to be connected to a power supply for supplying power to the control circuit means; and

    design means substantially covering the board and having respective predetermined areas aligned with respective LED dies on the board through which light can pass when an aligned LED is illuminated.

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