Undesired light passage preventing device - has opaque outer surface of each semiconductor light source cell, parallel to cylinder axis

Undesired light passage preventing device - has opaque outer surface of each semiconductor light source cell, parallel to cylinder axis

The device is intended for application in point-like display matrices, using semiconductor light emitting elements, thus preventing light penetration into regions of the display which should remain dark. Each semiconductor light emitting element has a housing whose outer surface, parallel to the cyl...

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1. Verfasser: PRICHODJKO,ALEXANDER
Format: Patent
Sprache:eng ; ger
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BASIC ELECTRIC ELEMENTS
ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
SEMICONDUCTOR DEVICES
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creator PRICHODJKO,ALEXANDER
description The device is intended for application in point-like display matrices, using semiconductor light emitting elements, thus preventing light penetration into regions of the display which should remain dark. Each semiconductor light emitting element has a housing whose outer surface, parallel to the cylinder axis, is opaque. Preferably this outer surface is provided with a coating of paint. Alternately the housing may have a sleeve for one or several light emitting elements.
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subjects BASIC ELECTRIC ELEMENTS
ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
SEMICONDUCTOR DEVICES
title Undesired light passage preventing device - has opaque outer surface of each semiconductor light source cell, parallel to cylinder axis
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