Industry Patents
Patent: 9222643
LED Illuminating Device for Stage Lighting and Method for Improving Color Uniformity of the device
(Click image for PDF of full patent)
| Patent Number: |
9222643 |
| Title: |
LED Illuminating Device for Stage Lighting and Method for Improving Color Uniformity of the device |
| Abstract: |
A LED illumination device for stage lighting includes LED arrays (110)
packaged on a heat dissipating substrate and including a plurality of LED
chips (111), a light combining device (200) for combining the light
emitted by respective LED arrays (110), and a focusing lens (400) for
focusing the combined light to a light output port. The illumination
device further includes a fly-eye lens pair (300) disposed between the
light combining device (200) and the focusing lens (400). The fly-eye
lens pair (300) comprises two fly-eye lenses, each being formed of a
plurality of lens units (310) tightly connected together and having the
same lens surface curvature. A method for improving color uniformity of
the device is also provided.
|
| Country of Issue: |
US |
| First Named Inventor: |
Zhang |
| Assignee: |
Appotronics |
| Continuation or Divisional of: |
|
| International Classification: |
H05B 37/00 |
| US Classification: |
F21V 5/008 |
| Issue Date: |
12-29-2015 |
| Filing Date: |
07-30-2010 |
| Application : |
13/388057 |
| Notes: |
|
| Link to Patent at freepatentsonline.com: |
9222643 at Freepatentsonline |
| Link to World Patent Family1: |
World Patent Family at European Patent Office |
| Link to Google Patents1: |
9222643 at Google Patents |
1. The Google Patents and World Patent Family links will likely not work until a few weeks
after the patent has issued - they take a while to get new patents in their systems.
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