With industry restructuring and energy-saving awareness, LED applications have extended to handset backlights, auto lighting, notebooks, LCD TV and even indoor lighting. However, several challenges remain. LED for notebooks are still waiting for technical breakthroughs, and only first-rate manufacturers have the capability to produce LCD TV with LED backlights. Affected by budget cell phone program inventory, LED market in 2006 was mediocre, and the legacy has lasted to 2007.