Display device
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United States of America Patent
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May 1, 2018
Issued Date -
N/A
app pub date -
Jun 12, 2015
filing date -
Jan 12, 2015
priority date (Note) -
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status (Latency Note)
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Abstract
The present invention provides for a display device, which is applied to rear projection system. The device includes a screen, which is curved with incident rays penetrating into a concave side of the screen, and then being transmitted by the screen, to form parallel rays to be emitted out from the convex side of the screen. The device also includes a projecting unit, configured to project rays of an image to the screen, the image including a valid area and an invalid area. The device yet further includes a covering plank, located between the screen and the projecting unit, and configured to cover the invalid area of the image for getting the light of the valid area of the image emitted by the projecting unit to project to the screen.
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