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Display unit

  • US 5,027,258 A
  • Filed: 05/04/1990
  • Issued: 06/25/1991
  • Est. Priority Date: 06/19/1989
  • Status: Expired due to Fees
First Claim
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1. A display unit comprising:

  • a light guide panel having a front surface, a rear surface and edge surfaces;

    a display symbol arranged to be illuminated by said panel;

    a light guide batten arranged on one lateral limiting edge of said light guide panel and having a thickness in excess of a thickness of said light guide panel, said light guide batten having a groove accommodating a marginal zone of said light guide panel, to define a transition zone between said light guide batten and said light guide panel providing optical conductivity for passing light from inside said light guide batten via said side edge surface, said front surface and said rear surface of said light guide panel into said light guide panel; and

    at least one illuminating element mounted in said light guide batten.

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