Method and device for using mass-produced light-emitting diodes

Details Method and device for using mass-produced light-emitting diodes Method and device for using mass-produced light-emitting diodes

1980-07-28

1982-12-14

Lechert, Jr., Stephen J.

Illumination

Light source and modifier

Adjustable or repositionable light source or light source...

362311, 362372, 362455, 362800, F21V 300

Patent

active

043641075

ABSTRACT:
A method for using mass-produced light-emitting diodes of a predetermined luminance in instruments requiring a precise luminance value and a light-emitting diode arrangement for adapting such mass-produced light emitting diodes to such instruments. The above-noted method includes the steps of disposing an LED in a lengthwise adjustable manner within a sleeve, closing the sleeve with a light diffusing disc at an end thereof from which the light from the LED is intended to merge and displacing the LED within the sleeve in such a manner that a precisely defined luminance appears at the diffused disc. In accordance with a preferred embodiment of the apparatus, a tubular sleeve of an elastic plastic material is provided with mounting threads at one end thereof for mounting same within a cap with a light-diffusing disc located between the threaded end of the sleeve and the cap. Additionally, the sleeve is provided with longitudinally extending beads within which electrical connectors of the LED can be mounted. The LED is positionally adjustable with respect to the diffusing disc by elastic deformation of the sleeve and is held in place at a position to which it is adjusted by the force produced by the sleeve at an area of localized elastic deformation adjacent the LED.

REFERENCES:
patent: 4177503 (1979-12-01), Auquetin

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