In this work, the authors present new designs of µLED displays, from the device and system aspects, to enhance the optical performances for automotive displays by utilizing optical simulations. Their designs tailor the angular intensity distribution of µLEDs and result in a more collimated light source at the system level. Based upon their findings, the proposed µLED display design yields greater optical efficiency, peak brightness, and ambient contrast ratio under high ambient illuminance background. These improvements are critical to increase the sunlight readability of µLEDs for automotive displays, and hence lead to faster recognition by the driver and to promote a safer driving experience.
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