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2. Liquid-crystal display - Wikipedia

   en.wikipedia.org/wiki/Liquid-crystal_display

   Since computer screen images usually have full white somewhere in the image, the backlight will usually be at full intensity, making this "feature" mostly a marketing gimmick for computer monitors, however for TV screens it drastically increases the perceived contrast ratio and dynamic range, improves the viewing angle dependency and ...

3. LED display - Wikipedia

   en.wikipedia.org/wiki/LED_display

   Detail view of an LED display with a matrix of red, green and blue diodes The 1,500-foot (460 m) long LED display on the Fremont Street Experience in Downtown Las Vegas, Nevada is currently the largest in the world. A LED display is a flat panel display that uses an array of light-emitting diodes (LEDs) as pixels for a video display.

4. History of display technology - Wikipedia

   en.wikipedia.org/wiki/History_of_display_technology

   History of display technology. Electrically operated display devices have developed from electromechanical systems for display of text, up to all-electronic devices capable of full-motion 3D color graphic displays. Electromagnetic devices, using a solenoid coil to control a visible flag or flap, were the earliest type, and were used for text ...

5. History of television - Wikipedia

   en.wikipedia.org/wiki/History_of_television

   History of television. Family watching TV, 1958. The concept of television is the work of many individuals in the late 19th and early 20th centuries. The first practical transmissions of moving images over a radio system used mechanical rotating perforated disks to scan a scene into a time-varying signal that could be reconstructed at a ...

6. Crystal LED - Wikipedia

   en.wikipedia.org/wiki/Crystal_LED

   At CES 2017 Sony showcased the CLEDIS ™ (Crystal LED Integrated Structure) with a Crystal LED video wall approximately 32 by 9 feet (9.7 x 2.7 meter) with a resolution of 8000 x 2000 pixel. According to Sony, it is composed of single display modules measuring 17 7/8" (463.6mm) by 15 7/8" (403.2mm) each. The individual modules were not visible ...

7. A Symphony of Lights - Wikipedia

   en.wikipedia.org/wiki/A_Symphony_of_Lights

   Jyutping. waan 6 coi 2 wing 6 hoeng 1 gong 1. A Symphony of Lights (Chinese: 幻彩詠香江) is a daily light and sound show across the Victoria Harbour in Hong Kong. It is the world's largest permanent light and sound show, according to Guinness World Records. [1] As of 2017, there were 42 participating buildings in the show.

8. 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).

9. Quantum dot display - Wikipedia

   en.wikipedia.org/wiki/Quantum_dot_display

   A widespread practical application is using quantum dot enhancement film (QDEF) layer to improve the LED backlighting in LCD TVs.Light from a blue LED backlight is converted by QDs to relatively pure red and green, so that this combination of blue, green and red light incurs less blue-green crosstalk and light absorption in the color filters after the LCD screen, thereby increasing useful ...