Backlight unit, liquid crystal display device comprising same, and game machine
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United States of America Patent
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May 29, 2018
Issued Date -
N/A
app pub date -
Sep 2, 2013
filing date -
Sep 20, 2012
priority date (Note) -
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Abstract
A backlight unit for a liquid crystal display device includes: a light source; a first light guiding panel which guides light emitted from the light source; a second light guiding panel which is disposed behind the first light guiding panel and is provided to be movable so as to be selectively disposed at a position of being overlapped with a predetermined area of the first light guiding panel in a back and forth direction and at a position of not being overlapped with the predetermined area in a back and forth direction; and a driving part which provides a driving force for moving the second light guiding panel.
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