As an emerging force in LCD TVs, LED TVs will continue to grow at a high speed in the next few years. According to DisplaySearch's latest season of "LED backlight research and analysis report", the shipment of large-size LCD TVs using led backlight panels will exceed the shipments of CCFL (Cold Cathode Light) backlight panels by 2012, and The penetration rate will be as high as 80%.
2007-2016 LED backlight panel in 10 inch LCD panel penetration rate (according to different applications)
LEDs have a unique ultra-thin design, low power consumption and high image quality. LED backlights will undoubtedly be the mainstream light source in future LCD panels, which is not enough for display material suppliers. A good chance is that the main upstream materials are PMMA (commonly known as acrylic) used in light guides, color polyester (PET) used in white reflective films, and sapphire for LED epitaxial substrates.
However, many LCD panel manufacturers have faced the dilemma of LED backlight-related components out of stock since the first quarter of 2010. The output of TV light guides is also limited by the shortage of PMMA, and many reflective film suppliers Demand is also moving between LCD panels and solar cell applications. In addition, many LED manufacturers are also facing a shortage of sapphire substrates (especially 2-inch substrates).
Global PET supply and demand forecast from 2009 to 2012
How can we solve the out-of-stock situation of some of the roles in the supply chain?
In the case of LED chips, more LED manufacturers are required to pass the certification, improve the design of LED backlights and reduce the number of chips, which will improve the shortage. In addition, panel makers can consider investing in new capacity with PMMA suppliers to accelerate supply and ensure the source of light guide materials.
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