subject: Aarkstore Enterprise Research Report On Chinese Auto Led Lamp Industry, 2010-2011 [print this page] So far, auto lamps have developed from original candle lamps to commonly used incandescent lamps. In recent years, new-type HID (High Intensity Discharge) and LED lamps have also emerged. The LED luminous efficiency can reach 80%-90%. New-type and intelligent LED lamps, which are called the fourth-generation auto light source, have become an outstanding member among global auto electronic products and will be the new development orientation of auto lamps.
Compared with traditional lamps, LED lamps have much longer service life. Its service life is 50,000 hours in theory and 20,000 hours in practice. During the entire life span of vehicles, users usually do not need to replace the LED lamps. The start time for LED lamps is only dozens of nanoseconds, much shorter than that of incandescent lamps. Thus, drivers can have more reaction time. LED stop lamps and directional lamps can directly convert the electric energy into optical energy under low drive current, showing upstanding environmental protection and energy saving effects. Its drive current is only 1/4 of that of incandescent lamps. With small size, LED can facilitate designers in changing the lamp shapes optionally to diversify the auto styles.
In recent years, with the improvement in brightness and reduction in cost, some auto LED lamps have achieved increasing application volume. In China, LED rear lamps have been adopted by Honda Accord, Crown, Reiz and Cadillac.
According to different application fields, auto LED lamps can be divided into lamps for light distribution and lamps for decoration. Lamps for light distribution are mainly used as the backlight display of meter lamps, front/rear turn lamps, brake telltale lamps, reversing lamps, fog lamps and reading lamps, etc. Lamps for decoration are applied in the color changes of auto lighting to decorate the internal and external parts of vehicles. The application of white LED in auto lamps is still at the initial stage. Its brightness can be enhanced gradually, so it possesses a quite optimistic prospect in the auto headlamp field.
Presently, in China, auto LED lamps still concentrate in the OEM market while the aftermarket is being started. Auto LED lamps converted from halogen lamps have much stronger night visibility, rich colors and fashionable styles. Therefore, they are popular with fashion-conscious consumers.
Since Sep. 1st, 2009, EUs ban on incandescent light bulbs went into effect. Incandescent light bulbs will be forbidden to use in EU by 2012. Meanwhile, new vehicles in EU and some other countries are required to be installed with specific lamps for daytime drive. Stimulated by the governmental policies on forbidding the use and production of incandescent light bulbs, the demand for auto LED lamps will enjoy prominent growth. The energy-saving and environmental-friendly auto LED lamp technology will usher in a new development period.
