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Halogen low beam market is divided between Complex Shape reflector and elliptic projector technologies. The former allows high flux but requires a large front surface - typically 120 × 140 mm. The lat....

During last 10-15 years we could have seen quite big changes in automotive lighting. The most important changes are: a) plastic materials mostly removed metal and glass material from lighting products....

In 2004 environmental-friendly mercury free xenon HID lamps - D3 and D4 respectively with and without integrated igniter - were introduced in the automotive headlighting market. Driven by an increased....

After the first appearance of LED rear lamps, which employed mainly two-dimensional arrays of LEDs, the request of stylists and OEMs to have three-dimensional LED alignment has increased strongly. Dev....

The paper describes today's OLED technology and its predicted development. Furthermore it analyses the possible use of OLED's in automotive signaling and interior applications, considering key physica....

Rear signal lighting on vehicles has two primary functions: informing other drivers about the presence of a vehicle on the roadway, and alerting those other drivers to intentions of a vehicle's driver....

LEDs have been used in exterior lighting since the late 1990s in the form of customized LED arrays. Typically for those applications, each LED had a lens or reflector optic. The future styling trends ....

Light Emitting Diodes (LEDs) are fast becoming the preferred light sources for automotive lighting applications. They emit light at cone angles equal (hemispherical) or less (conical) than 2Π radians.....

Thermal management of LED's junction temperature is one of the fundamental technologies for LED headlamp to ensure basic specifications in many aspects. Since almost all headlamps consist of a complex....

Even though the use of LED's in automotive industry is continuously increasing, the test standards used for the thermal design of the lamps do not address the unique needs of LED based lamps. The chal....

In the near future, the LED headlamps will be available in the market by improvement of the technique. There are some methods that can produce white light using LEDs. Probably, we think most generally....

First LED headlamps will be released into the market in 2007. Special permissions allow this introduction although the official regulation is still under discussion in ECE. The LED technology for fron....

In the middle of 2006, the first car equipped with an intelligent AFS (Adaptive Front-lighting System) headlamp went into serial production and has, until now, generated a very positive reaction in th....

Due to the progress in the development of white LEDs, they are already used in automotive signal lights e.g. daytime running light, now the next step is to use them for the main beam in the headlamp. ....

High-power LEDs and LED headlamps have become a serious consideration for the automotive industry. White LEDs have achieved the required performance for initial automotive headlamp applications. Howev....

Since the advent of high power white LEDs some years ago, a lot of proposals for a full LED headlamp have been shown on demo cars and motor shows (1, 2). Meanwhile the performance is sufficient not on....

With the recent development of white multichip LED arrays, main headlamp functions such as high and low beam become realistic not only for prototypes but even for industrial series production. However....

Safety on roads strongly depends on appropriate illumination at the foreground of the running vehicle.The head lights projectors should provide good quality visibility of the road surface in normal at....

To enhance drivers' convenience and safety, headlamps and headlamp control systems have been remarkably improved. For example, in daytime driving condition, auto-lighting systems support drivers espec....