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Inverse Light Guiding
2008/12/05

Traditional
Due to LED’s lighting angle limitation, the viewing area is between 70 to 120 degrees. (Shown as Figure 1)

Traditional

 



New Tech
LED emits inversely. When lights hit the plastic frame (point A), it will reflect to point B. (Shown as Figure 2).

By this way, rays could reach anywhere without shape or size limitations. Thus, better uniformity could be achieved.



New Tech

 

Inverse Light-guiding Structure
  • Diffusion Plate
    Function: Make better uniformity quality
  • LGP (Light Guide Plate)
    Function: Guide light direction efficiently
  • Reflection holder (Plastic frame):
    Function: Reflect lights beyond the confine of
    product shape or size
  • LED Module:
    Function: Act as light source



Inverse Light-guiding Structure

 

COUNTRY PATENT NUMBER COUNTRY PATENT NUMBER
TAIWAN M244454 NETHERLANDS 1024560
CHINA ZL03209351.9 FINLAND FI6211
AMERICA 10/681809 THAILAND 0303001323
JAPAN 3101220 GERMANY 20316807.0
KOREA 0339545 SINGAPORE 200306319-5
MALAYSIA UI20035044    

 

 

 

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