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2. LCD projector - Wikipedia

   en.wikipedia.org/wiki/LCD_projector

   In 2004 and 2005, LCD front projection began a comeback with the introduction of the dynamic iris and other modifications that have improved perceived contrast to levels similar to DLP. The basic design of an LCD projector is frequently used by hobbyists who build their own DIY (do-it-yourself) projection systems.

3. Overhead projector - Wikipedia

   en.wikipedia.org/wiki/Overhead_projector

   The Do-It-Yourself community has started using this idea to make low-cost home theater projectors. By removing the casing and backlight assembly of a common LCD monitor, one can use the exposed LCD screen in conjunction with the overhead projector to project the contents of the LCD screen to the wall at a much lower cost than with standard LCD ...

4. Projector - Wikipedia

   en.wikipedia.org/wiki/Projector

   A projector or image projector is an optical device that projects an image (or moving images) onto a surface, commonly a projection screen. Most projectors create an image by shining a light through a small transparent lens , but some newer types of projectors can project the image directly, by using lasers .

5. Video projector - Wikipedia

   en.wikipedia.org/wiki/Video_projector

   A video projector is an image projector that receives a video signal and projects the corresponding image onto a projection screen using a lens system. Video projectors use a very bright ultra-high-performance lamp (a special mercury arc lamp ), Xenon arc lamp , metal halide lamp , LED or solid state blue, RB, RGB or fiber-optic lasers to ...

6. I tried the Bomaker Polaris 4K projector — and it's a ...

   www.aol.com/entertainment/tried-bomaker-polaris...

   A 100-inch projector screen can cost you anywhere from $20 on up to $200 depending on what kind you get; here's a top-rated motorized screen for $130, just as an example.

7. 50 Times Cheap Fixes Had A Major Impact On Home Life - AOL

   www.aol.com/55-people-share-relatively-cheap...

   Bought a used projector on ebay, a screen at my local Amazon return warehouse, and a home theater sound system assembled from goodwill purchases and I have an outdoor movie theater setup in my ...