Technical needs and development trends of automobile lighting counties

1) Rapid promotion of LED technology

Compared with traditional light sources, LED light sources have many performance advantages, such as long life, fast response, high light efficiency, energy saving and environmental protection. In addition, LEDs are small in size and easy to shape, which contributes to the flexible design of lamp shapes. All of these make LED light sources Competitiveness.

Secondly, the country's strong support for the LED industry has nurtured a benign ecology of LED technology applications. In short, LED cost erosion, performance optimization, LED module standardization, driving cost reduction, and increased demand for automotive LEDs have all accelerated the application and promotion of LED technology. According to the statistics of a company's new development project, LED light sources account for more than 90% of the total, that is, almost all models will use LED light sources for models that will be on the market in the next two to three years.

It is worth mentioning that the development of new energy vehicles has promoted the application of LED car lights, which has not only accelerated the popularization of LED car lighting, but also created more possibilities for the application of LEDs in vehicles.

Due to the new energy vehicle's demand for cruising range, in addition to improving battery performance, it is also necessary to reduce energy consumption in all aspects. The luminous efficiency of LEDs is high, and the energy consumption is only about 30% of that of traditional halogen lamps. For example, for BYD’s vehicle lamps, all light sources are replaced by light bulbs with LED light sources. A bicycle can save about 250W of energy consumption. Taking BYD E6 as an example, it can save about 3%~~5% of electricity. The demand for lighting is very strong.

In addition, LED technology can achieve more applications in new energy vehicles. New energy vehicles are generally designed to be lighter due to energy consumption issues, while LEDs are concentrated and light sources are small, which can better meet the needs of new energy vehicles for compact lights.

2) Modeling personalization and cost balance

While taking into account the personalization, develop platform components based on diversified standard modules and drive modules, with appropriate heat dissipation design, to ensure that parts are reused as much as possible, which is conducive to shortening the development cycle, reducing development costs, and ultimately obtaining costs Advantage.

3) Shaping a sense of ritual

With the combination of LED light source technology, electronic drive technology, sensor technology, and software technology, the sense of ceremony will evolve from a single light mode to a fusion mode of sound, light and electricity, which will be more and more reflected in the future Product. Therefore, we will also see that in the future, car lights will become more and more "personal", "sensual" and "spiritual".

4) Standard software and hardware architecture plus software customization

In the future, lighting design will develop toward personalized, intelligent, and scene-oriented trends, and lighting control will become more diverse and complex, even requiring the intervention of vehicle buses (CAn, LIn). In addition, the launch cycle of new models has been reduced, the model platform has been updated more quickly, and the functions have been updated frequently. The lamp control module needs to be standardized design, adopt standardized software and hardware architecture, isolate application software from the underlying layer and hardware, and get rid of the dependence of ECU software development and verification on the hardware system , Provide customers with a highly dynamic and flexible platform to achieve personalized customization and rapid iteration, meet the needs of projects with complex functions and high standardization requirements, shorten the development cycle, and reduce development costs and risks.

Analysis of the status quo of the optical technology of LED automotive lighting

Overview

With the deepening of LED lighting applications, LED has entered the vast majority of lighting applications, including automotive lighting. Like all lighting systems, automotive lighting also includes optics, electronic control, drive, heat dissipation, and appearance structure. Among them, the optical design determines the special spot shape and light color distribution of automobile lighting. It is the most precise part of the entire lamp and the part with the relatively largest degree of design freedom. Therefore, optical technology is the most important part of the technical layout for LED car lights.