Rohm mixes up automotive interiors with RGB Chip LED
An RGB (red, green, blue) chip LED for automotive interiors minimises colour variations due to colour mixing in vehicle interiors where coloured LEDs are used to indicator cabin function or status as well as accent lighting. The SMLVN6RGBFU can be used in instrument clusters, centre information displays and accent lighting for footwells and door handles, said Rohm.
There has been a rise in demand for RGB chip LEDs as more driver assistance functions (i.e., automatic speed control, vehicle distance/white line detection) have been introduced to vehicles. As well as using colours to indicate operational status in instrument panels and meter clusters, there is also an increasing need to create a comfortable and luxurious cabin space with decorative lighting using RGB chip LEDs, said Rohm.
The company has developed an RGB chip LED that further minimises colour variation by precisely controlling the luminous characteristics of the RGB elements and improving colour mixing through in-house device technology.
Rohm has minimised element colour variation over general products by using a vertically integrated production system from the element fabrication stage to control the wavelength and brightness of the mounted RGB elements. At the same time, original element colour mixing control technology reduces colour variations caused by colour mixing that tends to occur in RGB chip LEDs, to produce accurate colour for use in automotive interiors. Rohm also supports detailed colour matching tailored to user specifications with the chromaticity simulation system.
The SMLVN6RGBFU sets adjustment co-efficients for each chromaticity rank while providing calibration support to bring the colour closer to the desired target. This new RGB chip LED and high-accuracy chromaticity simulation allows precise colour matching, said Rohm.
Rohm Semiconductor develops and manufactures a very large product range from SiC diodes and MOSFETs, analogue ICs such as gate drivers and power management ICs to power transistors and diodes to passive components. The production takes place in manufacturing plants in Japan, Germany, Korea, Malaysia, Thailand, the Philippines, and China.
Rohm Semiconductor Europe has its head office near Dusseldorf, Germany, serving EMEA (Europe, Middle East, and Africa).
