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Additional info for LEDs in Automotive Applications
They can usually be affixed easily using an automotive tape, and can be wired the vehicle’s daytime running lamp or low-beam lamp assembly for power. Dayliners can also be applied around the vehicle headlights to accent them. They also double as DRLs in some vehicles. 15 LED messaging light Source: Drivemocion Source: Putco Car Messaging Light Some companies are also selling LED lights in fun designs that can attract attention on the road. Most popular among these are Drivemocion’s kits, which feature LEDs that stick to the windshield or the rear window and can be operated via remote control by the driver.
For example, German police lightbars often use an LED text display that can read, in mirrored writing if toward the front, “STOP POLIZEI” or “BITTE FOLGEN” (“please follow”), to signal drivers to pull over. Similarly, British police lightbars use the word “STOP” displayed on a LED display. Other LED lamps are also growing rapidly in flashing beacon lights for emergency vehicles such as maintenance and tow trucks. Traditional light sources draw a lot of power; therefore, they require the engine to be running when the beacon lights are turned on for a prolonged period of time.
China has had the most rapid investment progress in LED history, with Chinese LED manufacturers adding wafer production at unprecedented rates. The world MOCVD equipment capacity level was only 3% in 2009, but it has grown to 15% level in Q2 2011. Based on the current investment plans for Chinese companies, China will have the most MOCVD equipment capacity in the world by 2012. 7 billion in 2010, and is growing nearly 25% per year. It is expected to top $11 billion by 2015. In the global market, China accounts for about 5% of the HB LED devices, but with 30% growth rates and improving technology, China will grow to a 15% market share by 2013.