3D display device with adjustable grating layer
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United States of America Patent
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Jan 16, 2018
Issued Date -
N/A
app pub date -
Jun 27, 2013
filing date -
Apr 28, 2013
priority date (Note) -
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status (Latency Note)
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Abstract
A 3D display device, comprising: a display panel (01); a first grating layer (02), located at a light exiting side of the display panel (01) and comprising hole-like light-transmitting regions arranged in an array form; a second grating layer (03), located over the first grating layer (02) and comprising hole-like light-transmitting regions arranged in an array form; and an adjusting device (04), configured to adjust a relative shift between the first grating layer (02) and the second grating layer (03) so as to realize switching between a 2D display state and a 3D display state, wherein, the hole-like light-transmitting regions included in the first grating layer (02) correspond to the hole-like light-transmitting regions included in the second grating layer (03) in a one-to-one correspondence relationship, pixel units (05) arranged in an array form are provided within the display panel (01); in the 2D display state, an overlap region of projections of each pair of the hole-like light-transmitting regions on the display panel (01) covers a region of at least one pixel unit (05); in the 3D display state, an overlap region of projections of each pair of the hole-like light-transmitting regions on the display panel (01) is smaller than the region of one pixel unit (05).
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