Porsche has developed the light technology of the next generation with its new high-resolution HD matrix technology. The core element of the innovation created in collaboration with partners is a chip that combines over 16,000 individually controllable micro-LEDs onto the surface area the size of a thumbnail. Of these LED chips, two are utilised for each headlight – four per vehicle. The headlights with HD matrix technology therefore offer a high-resolution light distribution up to twice as bright on a surface four times larger than previous top-notch systems. The driver benefits from the highly flexible light that the new development makes possible thanks to extremely homogeneous illumination. In addition, there are innovative functions such as lane illumination, construction and narrow-lane light and adaptive motorway high-beam lights. The high-performance high beam turns night into day at a distance of up to 600 metres. A new non-dazzling high beam function is used for oncoming vehicles: large areas to the right and left of the anti-dazzling gap become significantly brighter. The new HD matrix technology adds yet another highly efficient component. Because the HD matrix headlights only activate the pixels that are actually needed at any given moment, they consume considerably less energy that other high-resolution systems, while the amount of light remains the same.
In addition to four-point daytime driving lights and static cornering lights, the new Porsche headlight includes two of the new HD matrix modules and two bi-functional modules for courtesy lighting and the auxiliary high beam. These four main light sources are arranged in a four-point design characteristic of the brand. The previous top headlight from Porsche, by contrast, features four courtesy modules and a central Matrix module in 84-pixel technology. The new HD matrix technology also stands apart in terms of design: for the first time, the characteristic Porsche four-point headlight graphics of the daytime running lights can also be seen at night when the new system is used – with both low and high beams. The HD matrix headlights will be introduced successively in different model lines with identical module technology but adapted designs. In the development process, Porsche submitted over 25 patents for the innovative technology.
World’s first high-resolution LED matrix light
The new technology must unite different, and sometimes contradictory, requirements in a single system. The aim is to distribute all light functions among four units per headlight for design reasons. Nonetheless, the individual sources of light should still combine in a way that provides homogeneous and powerful illumination at the same time. Pre-design simulations were used to analyse which overall system design would best meet all requirements – including those of customers. As a result, Porsche opted for the new and efficient HD matrix LED technology with 16,384 pixels per module rather than the maximum resolution that is technically feasible.
The design of the headlight is clearly structured. Four almost squarely arranged light modules, each complemented by a narrow daytime running light strip above the module, trace the brand’s characteristic four-point design – by day and by night. The two upper bi-functional modules are identical and provide the courtesy lighting and auxiliary high beam with three LEDs each.
Source: Porsche
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