Health.Zone Web Search

Search results

1. Results from the Health.Zone Content Network

2. Television set - Wikipedia

   en.wikipedia.org/wiki/Television_set

   A generic LCD TV, with speakers on either side of the screen. Liquid-crystal-display televisions (LCD TV) are television sets that use liquid-crystal displays to produce images. LCD televisions are much thinner and lighter than cathode ray tube (CRTs) of similar display size and are available in much larger sizes (e.g., 90-inch diagonal). When ...

3. Quantum dot display - Wikipedia

   en.wikipedia.org/wiki/Quantum_dot_display

   A quantum dot display is a display device that uses quantum dots (QD), semiconductor nanocrystals which can produce pure monochromatic [a] red, green, and blue light. Photo-emissive quantum dot particles are used in LCD backlights or display color filters. Quantum dots are excited by the blue light from the display panel to emit pure basic ...

4. LCD television - Wikipedia

   en.wikipedia.org/wiki/LCD_television

   An LCD TV. A liquid-crystal-display television (LCD TV) is a television set that uses a liquid-crystal display to produce images. It is by far the most widely produced and sold type of television display. LCD TVs are thin and light, but have some disadvantages compared to other display types such as high power consumption, poorer contrast ratio ...

5. Liquid-crystal display - Wikipedia

   en.wikipedia.org/wiki/Liquid-crystal_display

   18 parallel CCFLs as backlight for a 42-inch (106 cm) LCD TV. CCFL: The LCD panel is lit either by two cold cathode fluorescent lamps placed at opposite edges of the display or an array of parallel CCFLs behind larger displays. A diffuser (made of PMMA acrylic plastic, also known as a wave or light guide/guiding plate [96] [97]) then spreads ...

6. Large-screen television technology - Wikipedia

   en.wikipedia.org/wiki/Large-screen_television...

   A 140 cm (56 in) DLP rear-projection TV. Large-screen television technology (colloquially big-screen TV) developed rapidly in the late 1990s and 2000s. Prior to the development of thin-screen technologies, rear-projection television was standard for larger displays, and jumbotron, a non-projection video display technology, was used at stadiums ...

7. High-dynamic-range television - Wikipedia

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

   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 ...

8. Active-matrix liquid-crystal display - Wikipedia

   en.wikipedia.org/wiki/Active-matrix_liquid...

   Active-matrix liquid-crystal display. An active-matrix liquid-crystal display (AMLCD) is a type of flat-panel display used in high-resolution TVs, computer monitors, notebook computers, tablet computers and smartphones with an LCD screen, due to low weight, very good image quality, wide color gamut and fast response time.

9. Technology of television - Wikipedia

   en.wikipedia.org/wiki/Technology_of_television

   The elements of a simple broadcast television system are: . An image source. This is the electrical signal that represents a visual image, and may be derived from a professional video camera in the case of live television, a video tape recorder for playback of recorded images, or telecine with a flying spot scanner for the transfer of motion pictures to video).