Although I want to see  DVD by  a big screen TV or a projector are expensive and I cannot buy them.

 I saw the projector manufacture  in someone's HP. I also challenged it.  HP1 ,HP2

Cautions: It will become the worst fire if heat is not radiated. And, if you touch a heat halogen lamp, it will burn yourself.

Material 

 Liquid crystal panel    [4200 yen]  5.4 inch TV

  halogen lamp and Conversion adapter [about 2000 yen]

  Fresnel lens 2 sheets (500 yen/sheet)

  Projection lens   (about 800 yen)

Wiring block diagram

Projection test (about 50 inches)

Improvement in quality of image

_{After improvement}

 Although it is not enough, I think that the practical use level was reached.(Self-valuation is 80 points.)