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Glare control

  • US 4,814,960 A
  • Filed: 05/14/1986
  • Issued: 03/21/1989
  • Est. Priority Date: 05/14/1986
  • Status: Expired due to Term
First Claim
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1. A method of reducing glare from an illumination device comprising a light source positioned to provide illumination that interacts with an optical glass surface, said device providing illumination projected in a light path, said method comprising,by controlled etching of said glass, creating over all of said optical glass surface, micro-irregularities to control dispersion of said projected illumination, said micro-irregularities effectively maintaining the directionality and average intensity of the projected illumination.

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