Sharp introduces LED-backlight for color gamut of 90 NTSC on a conventional LCD

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POSTER: computer news   ||   SHARP INTRODUCES LED-BACKLIGHT FOR COLOR GAMUT OF 90 NTSC ON A CONVENTIONAL LCD	DATE:2013-12-18
Start of production of superbright LEDs solved the problem with backlit LCD-display in mobile devices.   The problem was that the LEDs can emit light only in the blue spectrum.  To get a glow of a different color and thereby extend the color gamut of the display, use a suitable phosphorescent material: yellow, red or green, and it reduced the intensity of luminescence (brightness).  But work is going on, and Sharp is ready to begin production of the LED backlight brightness in the expansion of the color gamut is not falling.  As recognized in Sharp, created highlight that 25% expands the color gamut of LCD-displays in space NTSC (CIE1931). For release of displays color gamut at 90% NTSC using the new LED backlight LCD-display structure is nothing but a light source - LEDs - no need to change.  The company developed two variants of light: one for small diagonal panels (thickness 0.4 mm) and the other for medium displays (thickness 0.6 mm).  Price - about 40 cents per unit as a sample.  Mass production is scheduled for April 2014.   Modern displays of Sharp can have a color gamut of 72% NTSC.  In such screens, the role played by the blue LED backlight in combination with a yellow phosphorescent material.  Application of red and green phosphors expands the color gamut of up to 83% NTSC, but lowers the display brightness to 20%.  New phosphorescent material red and green colors, which were developed with Sharp is also involved, does not suffer from the limitations noted above.  The conversion efficiency of blue light in the red and green was so high that it was possible to increase the color gamut to 90% NTSC luminance with loss of only 3%. Excellent?  Absolutely!  But do not need to relax.  In 2009, Rambus for $ 26 million bought 84 patents and property of the American company Global Lighting Technologies - a specialist in the organization highlights, including LED.  Do you have a new illumination technology?  Rambus then goes to you.  Suddenly you are illegally using its patents? Related Products :

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