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LIGHT-EMITTING ASSEMBLY AND INTERACTIVE DISPLAY DEVICE HAVING THE SAME

  • US 20120249438A1
  • Filed: 09/23/2011
  • Published: 10/04/2012
  • Est. Priority Date: 03/29/2011
  • Status: Active Grant
First Claim
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1. A light-emitting assembly comprising:

  • a light guide plate (LGP) having printed patterns formed on a lower surface thereof;

    a first infrared light-emitting part including a plurality of first infrared light-emitting diodes (LEDs) disposed at a first side of the LGP, the first infrared LEDs spaced apart by first intervals wherein at least two of the first intervals have different sizes;

    a second infrared light-emitting part including a plurality of second infrared LEDs disposed at a second side of the LGP, the second infrared LEDs spaced apart by second intervals wherein at least two of the second intervals have different sizes; and

    a visible light-emitting part including a plurality of visible LEDs disposed at a third side of the LGP, the visible LEDs spaced apart by third intervals wherein at least two of the third intervals have different sizes.

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