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BASIC PRINCIPLE OF ELLIPTICAL REFLECTOR

- F1= focus #1 = lamp position.
- F2= focus #2.
- Lens position in front of F2, to get all light beam pass thru the lens.
- H= reflector high or width, must larger than LCD panel size.

HOW TO MAKE ELLIPTICAL REFLECTOR

needed:
-. 2 nail
-. pencil or pen
-. small ring



-. nail down the 2 nails at F1 and F2.
-. tied/joint both cord end together, so it's become a loop.
-. tied up small ring to the cord loop.
-. placed cord loop between nails.
-. placed pencil /pen tip inside small ring.
-. move and draw curved line with cord always in tension.
-. done!


* MAKE 2 REFLECTOR CURVE:
  1st.  REFLECTOR SLIGHTLY BIGGER THEN LCD PANEL HIGH.
  2nd. REFLECTOR SLIGHTLY BIGGER THEN LCD PANEL WIDTH.
* JOINT TOGETHER THE 2 REFLECTOR INTO ONE INTEGRATED REFLECTOR,
  IT WILL LOOK LIKE RECTANGULAR FLOOD LIGHT REFLECTOR.




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Gunawan W.
May, 3 - 2002