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2. 2K resolution - Wikipedia

   en.wikipedia.org/wiki/2K_resolution

   In the movie projection industry, Digital Cinema Initiatives is the dominant standard for 2K output and defines a 2K format with a resolution of 2048 × 1080. [ 2 ] [ 3 ] For television and consumer media, the dominant resolution in the same class is 1920 × 1080 , but in the cinema industry this is generally referred to as "HD" and ...

3. High-dynamic-range television - Wikipedia

   en.wikipedia.org/wiki/High-dynamic-range_television

   High-dynamic-range television (HDR-TV) is a technology that uses high dynamic range (HDR) to improve the quality of display signals. It is contrasted with the retroactively-named standard dynamic range (SDR). HDR changes the way the luminance and colors of videos and images are represented in the signal and allows brighter and more detailed ...

4. Projection screen - Wikipedia

   en.wikipedia.org/wiki/Projection_screen

   A grey screen may thus succeed almost as well in delivering a bright-looking image, or fail to do so in other circumstances. Compared to a white screen, a grey screen reflects less light to the room and less light from the room, making it increasingly effective in dealing with the light originating from the projector. Ambient light originating ...

5. 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 ...

6. LCD projector - Wikipedia

   en.wikipedia.org/wiki/LCD_projector

   Even so, the best image quality is found using a blank white, grey, or black [citation needed] (which blocks reflected ambient light) surface, so dedicated projection screens are often used. Perceived color in a projected image is a factor of both projection surface and projector quality. Since white is more of a neutral color, white surfaces ...

7. Optimum HDTV viewing distance - Wikipedia

   en.wikipedia.org/wiki/Optimum_HDTV_viewing_distance

   Find the optimal distance for a given screen. Example: for a 4K UHD screen 140 cm high (112 inches diagonal), the optimal distance is 140 × 1.6 = 224 cm. Find the right screen size. Example: for a 1080 HDTV used at a distance of 250 cm, you need to find a screen whose height is close to ⁠ 250 / 3.2 ⁠ = 78 cm (63 inches diagonally).