ROHM develops RGB SMD LEDs for automotive interiors to reduce chromatic aberration caused by color mixing

Semiconductor manufacturer ROHM has released an RGB chip LED*1 "SMLVN6RGBFU" for automotive interiors, which is ideal for indicator lights*3 for displaying functions and statuses in the car, such as instrument panels and CID*2, as well as footlights and doors Decorative lighting applications such as handle lights.

In recent years, various driving assistance functions such as automatic speed control, vehicle distance detection, and lane line detection have been widely used with the improvement of the electronic degree of automobiles and the development of diversified functions. In order to display the working status of these functions with indicators such as dashboards, there is an increasing demand for RGB SMD LEDs that can express various colors in the industry. In addition, the demand for interior products that use RGB SMD LEDs to create a sense of comfort and luxury in the car interior is also increasing. Against this background, ROHM has developed RGB SMD LEDs with less color difference by using its own component technology to finely control the light-emitting characteristics of RGB components and improve color mixing performance.

Generally, in order to make RGB SMD LEDs emit light of the target color, technologies that can precisely control the color and brightness of its red, green, and blue light-emitting elements, as well as technologies that can improve color mixing performance, are required. ROHM has successfully suppressed the chromatic aberration of components by utilizing its integrated production system that integrates superior technologies from the component manufacturing stage, and achieved color performance that is superior to ordinary products. In addition, through the color mixing control technology of components, the color difference that is easy to occur when RGB SMD LEDs are mixed is reduced, which helps to achieve the target color required for automotive interiors. In addition, ROHM provides fine color matching support using a chromaticity simulation system that matches the required specifications.

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