DLPA129 March   2022 DLP3020-Q1 , DLP3030-Q1 , DLP5532-Q1

 

  1.   Trademarks
  2. 1Introduction
  3. 2PDLC Smart Films
    1. 2.1 Film Transparency and Translucency
    2. 2.2 PDLC Film Options
  4. 3DLP Projector Design Considerations
    1. 3.1 Projector Design Challenges
    2. 3.2 Brightness Results
  5. 4 Conclusion
  6.   References

3.2 Brightness Results

A PDLC film from Gauzy has been characterized when illuminated by 1,000 lumens DLP5532-Q1 projector using PTM-50X RGB LEDs. The size of the image can be adjusted to generate the appropriate brightness level, as screen brightness is inversely proportional to the area of the image size.

Table 3-2 PDLC Brightness Relationship With Image Size and Projector Lumens
Projector Luminous Flux Screen Size (diagonal) Screen Brightness
1,000 lm 12.2” 6,531 cd/m2
1,000 lm 17.5” 3,132 cd/m2
1,000 lm 35.0” 783 cd/m2

While the display areas shown in Table 3-2 are smaller than a cartop LED display, a 1,000-lumen projector nonetheless can support reasonably sized displays at high brightness levels supporting both daytime and nighttime viewing.