Electroluminescent lamp for liquid crystal display
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United States of America Patent
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Feb 19, 1985
Grant Date -
N/A
app pub date -
May 2, 1983
filing date -
May 2, 1983
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A backlighted liquid crystal display is disclosed which includes an electroluminescent backlight having a reduced amount of phosphor acting as both a source of light for viewing the display during nighttime hours and as a light diffuser for viewing the display during daytime hours. The electroluminescent backlight is made thinner while the phosphor content is optimally reduced to provide a backlight that improves the viewability of the display especially during daytime hours without the need of a transflector. Wherein the minimal amount of phosphor is dispersed in a binder in the electroluminescent layer is substantially 1 volume unit of phosphor for every 4 to 5 volume units of binder.
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