THIN FLEXIBLE LED LIGHT SHEET APPLICATIONS
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United States of America Patent
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N/A
Issued Date -
Dec 17, 2015
app pub date -
Jun 12, 2014
filing date -
Jun 12, 2014
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
Various applications and customizations of a thin flexible LED light sheet are described. Microscopic LED dice are printed on a thin substrate, and the LEDs are sandwiched between two conductor layers to connect the LEDs in parallel. The conductor layer on the light emitting side is transparent. In one embodiment, the light sheet backlights all or a portion of a translucent ceiling material of an automobile to cause the backlit portion of the ceiling material to illuminate the automobile's interior with diffused lighting. This greatly reduces glare for the driver. The emitted color of the light sheet may be adjusted to compensate for the color component added by the ceiling material color. Four light sheets may be connected in series to drop approximately 12 volts. The light sheet color may be controllable by using adjustable RGB color components, either with phosphors or different LED colors.
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Cited Art Landscape
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