Light emitting pen for illumination at night and for writting
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United States of America Patent
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Apr 13, 2004
Grant Date -
N/A
app pub date -
Nov 1, 2002
filing date -
Nov 1, 2002
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A light emitting pen emits light unidirectioanlly or bidirectionally. By pressing a press button, an upper light emitting unit or lower light emitting unit are controlled to light up or distinguished. Moreover, the rising and descending of the filler is controllable so that the pen head will protrude out or embedded into the pen tube. Thereby, at night, by the upper lower pen tube or lower light emitting unit to emit light, light emits so as to provide illumination for writing. When the two light emitting units do no light up, the pen head will embed into the pen tube for storage.
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