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BEAM STEERING BACKLIGHT UNIT AND HOLOGRAPHIC DISPLAY APPARATUS INCLUDING THE SAME
BEAM STEERING BACKLIGHT UNIT AND HOLOGRAPHIC DISPLAY APPARATUS INCLUDING THE SAME
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机译:光束转向背光单元和全息显示装置,包括相同的
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摘要
A beam steering backlight unit provides a hologram image to multiple viewing positions and a holographic display apparatus (100) includes the beam steering backlight unit. The backlight unit includes a light source array (110) comprising a plurality of two-dimensionally arranged light sources (111) and a micro lens array (120) arranged to face the light source array and comprising a plurality of two-dimensionally arranged micro lenses (121). The light source array includes a plurality of light source blocks (110a-110d) each corresponding to a respective one of the plurality of micro lenses, wherein a plurality of the light sources are arranged in each of the plurality of light source blocks. The light source array is configured to select and turn on only those light sources of the plurality of light sources respectively disposed in a same position in each of the plurality of light source blocks and turn off the other light sources.
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