Optimize backlight system with LED edge light source technology
OFweek Semiconductor Lighting Network: Optimized, the system design of the backlight unit with excellent luminous efficiency makes the advantages of LED technology to the extreme. The significance of these advantages is so significant that LEDs are rapidly moving toward thinner and more efficient directions.
These advantages make handheld devices smaller and thinner, with more efficient LCDs, keyboards and touch screens, as well as thin portable and desktop computer LCDs with backlit ultra-thin keyboards. The latest design offers high brightness and luminescence consistency in virtually any color background with fewer LED devices. A lower cost, thinner, lighter backlight unit includes a backlight assembly that is less than 0.6 mm thick, and the use of a light guide as thin as 0.25 mm has become a reality, as shown in FIG. The thickness of the backlight unit has reached the thickness of the electroluminescent backlight and has the excellent luminescent properties and all other advantages of today's advanced LEDs.
Figure 1 The backlight unit has reached an amazing thickness with consistent illumination and high brightness.
LEDs have gone far beyond the portable/handheld field it was originally intended for, and have become the standard for medium-sized LCD (diagonal 3.5?7-inch) backlights for consumer, industrial, automotive and medical display devices, as well as for notebooks. Large-size LCDs such as computers, desktop monitors, and flat-panel TVs. Nowadays, designers and manufacturers of these devices are driving the advancement of LED backlighting, with wider color spectrum, longer lifetime, DC power supply, no need for inverters, lower power consumption, and higher The design flexibility, small peripheral size and lower cost are all advantages of LED backlighting. Of course, the LED manufacturing process does not contain mercury, and has always been used as a "green" environmentally friendly backlight source.
The field of application of the new solutions has gone beyond the scope of display backlights, such as edge light source light guides for channel exit signs and various information signage, and edge light sources for downlighting such as table lamps and fluorescent lights. New design methods, such as edge and flat light sources, are making this advantage even more important.
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