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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 ...
Cable television in the Philippines was introduced in 1969 with the first commercial service of Nuvue Cablevision (later absorbed into Sky Cable); Satellite television in the Philippines was introduced in 2001 with the first commercial broadcast of Dream Satellite TV (now defunct); and IPTV and digital over-the-top streaming services in the Philippines was introduced in 2010 with the first ...
Around 2014, television manufacturers were largely phasing out plasma TVs, because a plasma TV became higher cost and more difficult to make in 4k compared to LED or LCD. [ 73 ] In 1997, Philips introduced at CES and CeBIT the first large (42-inch or 110-centimetre) commercially available flat-panel TV, using Fujitsu plasma displays.
Quantum dot displays use blue-emitting LEDs rather than white LEDs as the light sources. The converting part of the emitted light is converted into pure green and red light by the corresponding color quantum dots placed in front of the blue LED or using a quantum dot infused diffuser sheet in the backlight optical stack.
In 2010, the commission officially led the digital television period in the Philippines and released a memorandum circular agreeing to the use of ISDB-Tb as the standard digital platform. But in recent developments, the commission is considering the European digital television platform, the European Digital Video Broadcast-Terrestrial (DVB-T ...
This article has multiple issues. Please help improve it or discuss these issues on the talk page. (Learn how and when to remove these messages) This article relies excessively on references to primary sources. Please improve this article by adding secondary or tertiary sources. Find sources: "List of digital television stations in the Philippines" – news · newspapers · books · scholar ...
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