The energy-saving characteristics and design flexibility of LED light sources have led the depot's willingness to introduce LEDs into automotive lighting in recent years, and the penetration rate of automotive lighting continues to increase. According to the data presented by Hyundai Motor at the LIGHTING JAPAN 2014 Automotive Lighting Symposium, compared to halogen lamps and HID light sources, LED light sources have the advantages of high efficiency, long life, and design flexibility compared to halogen lighting, but LED light source products High costs are still a major obstacle to the introduction of depots.
Taking the cost structure of LED lights as an example, LED components accounted for 11% of overall cost, 17.1% of heat dissipation, 10.7% of drive modules, 8.7% of Actuator, 11.4% of controllers, and 41.1% of other components. It can be seen that in addition to the LED components, the remaining components such as heat dissipation and controllers still have room for cost reduction.
In addition, if the application of LED power to distinguish between areas, Hyundai Motor will be divided into three parts, one is a high-power LED package components, mainly white light, applied to the headlights, the power of the LED components used is 5-10W. The medium-power LED components are mostly used for DRL, fog lamps, and direction indicators. They are based on white and amber colors and use 1-3WLED package components. In addition, low-power 0.1-0.5W LED components are mostly used for taillights, brake lights, small lights and atmosphere lights, mainly using white light and red light.
According to the 2013 data provided by Hyundai Motor, automotive lighting uses LED components with a power of 0.2W, 0.5W, and 1W. In addition, the proportion of external applications for automotive applications is higher than that of internal applications. According to the degree of adoption of different color LED light sources, red light occupies the highest proportion in power 0.2W and 0.5W blocks, and white light is used in higher proportion in 1W power blocks.
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