Lighting unit
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United States of America Patent
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-
Dec 20, 1994
Grant Date -
N/A
app pub date -
Jul 6, 1993
filing date -
Jul 27, 1992
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Disclosed is a lighting unit of an indirect type, capable of varying the luminance and color of illumination with respect to a target to be lit thereby ensuring an effective display of the target, and further capable of using itself as a display unit. The lighting unit comprises a light guide plate having one side fashioned into an uneven surface or a reflective surface; a plurality of light emitting diodes for supplying a light to the light guide plate, the light derived from the diodes being dispersed through the light guide plate; and a control section which controls actions including blinking of the light emitting diodes. At least a part of the diodes is intended to emit a light different in color from that of the others so that the color or blinking of illumination can be arbitrarily varied through the control by means of the control section.
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