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2. LCD projector - Wikipedia

   en.wikipedia.org/wiki/LCD_projector

   The basic design of an LCD projector is frequently used by hobbyists who build their own DIY (do-it-yourself) projection systems. The basic technique is to combine a high color-rendering index (CRI) high-intensity discharge lamp (HID lamp) and ballast with a condenser and collector Fresnel lens , a single color LCD removed from a common ...

3. Rear-projection television - Wikipedia

   en.wikipedia.org/wiki/Rear-projection_television

   A projection television uses a projector to create a small image or video from a video signal and magnify this image onto a viewable screen. The projector uses a bright beam of light and a lens system to project the image to a much larger size. A front-projection television uses a projector that is separate from the screen and the projector is ...

4. Television set - Wikipedia

   en.wikipedia.org/wiki/Television_set

   In 2007, LCD televisions surpassed sales of CRT-based televisions globally for the first time, [77] and their sales figures relative to other technologies accelerated. LCD TVs quickly displaced the only major competitors in the large-screen market, the plasma display panel and rear-projection television. In the mid-2010s LCDs became, by far ...

5. Home cinema - Wikipedia

   en.wikipedia.org/wiki/Home_cinema

   As of 2015, flatscreen HDTVs are the norm. Options include Liquid crystal display television (LCD), plasma TV, and OLED. [5] Home cinema users may also use a video projector and a movie screen. If a projector is used, a portable, temporary screen may be used,a screen may be permanently mounted or the image may be projected directly on a wall.

6. Liquid-crystal display - Wikipedia

   en.wikipedia.org/wiki/Liquid-crystal_display

   Small LCD screens are common in LCD projectors and portable consumer devices such as digital cameras, watches, calculators, and mobile telephones, including smartphones. LCD screens have replaced heavy, bulky and less energy-efficient cathode-ray tube (CRT) displays in nearly all applications since the late 2000s to the early 2010s.

7. Black Widow (paint mix) - Wikipedia

   en.wikipedia.org/wiki/Black_Widow_(paint_mix)

   Black Widow (also known as a Black Widow Ultra in Europe) is a non-commercial open source project to design a paint mix for the base of a DIY projection screen.Anonymous DIYers responsible for popularizing Black Widow in the DIY community include Mechman Alternators (US), Wbassett (US) and Custard10 (EU). [1]