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Information display device

  • US 10,283,084 B2
  • Filed: 04/17/2014
  • Issued: 05/07/2019
  • Est. Priority Date: 04/17/2013
  • Status: Active Grant
First Claim
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1. A portable information display device, comprising:

  • an electronic display module comprising;

    a substantially rectangular display screen;

    an optical element arranged in front of the electronic display module to form a non-rectangular optical frame extending outside the rectangular display screen, the optical element comprising at least one light diffusion layer having a non-zero transmittance of less than 100% located in front of the rectangular display screen so that a substantially uniform visual appearance is provided when the rectangular display screen is not illuminated, the substantially uniform visual appearance obscuring an outline of the display screen from view while the display screen is not illuminated;

    one or more light sources arranged behind the optical frame to illuminate at least one icon defined by the optical element outside the rectangular display screen; and

    an electronic controller for the one or more light sources that is arranged to selectively illuminate the at least one icon outside the rectangular display screen.

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