Analog Devices and AUO Launch Safe and Energy-Efficient Widescreen Displays for the Automotive Market

2022-11-03

ADI AUO automotive display matrix LED display driver technology ample-chip.com

Analog Devices, Inc. ADI announced that AUO (TPE: 2409) will use ADI’s matrix LED display driver technology in its leading line of automotive widescreen display products . This industry-leading technology supports local dimming, which can significantly reduce power consumption by at least 50% and meet functional safety requirements.

Today, more and more cars are using widescreen displays throughout the cockpit to provide a better immersive experience. The increased level of automation and autonomy places higher demands on the display, that is, the display must not only provide the usual infotainment functions, but also become the safety center, displaying the visual picture around the car. In addition, as the automotive industry accelerates toward electrification, power consumption indicators have also attracted attention.

To this end, Analog Devices has developed a unique and innovative method of "local dimming" to drive the LEDs behind the screens of automotive display units. Developed using a proprietary power process technology, the driver integrates all external switching positive-channel field effect transistors (PFETs), enabling high resolution and contrast in large automotive displays, improving LED diagnostic performance, and reducing image ghosting effect. The system can reduce power consumption by at least 50% compared to traditional edge-lit displays. In addition, Analog Devices' power product family is ASIL-B to D certified to ensure reliable in-vehicle operation, effectively meeting the functional safety requirements of many automakers.

To enhance the cockpit experience, ADI helps enable energy-efficient widescreen displays with local dimming through proprietary power management and processing solutions, as well as through Gigabit Multimedia Serial Link™ (GMSL) serializers and deserialization The SerDes connection scheme is used to achieve high-resolution display.

Xu Wenhao, Senior Director of AUO's Automotive Display Business Unit, said: "AUO is one of the world's leading automotive display manufacturers, providing services to large OEMs. The power efficiency of ADI's local dimming automotive display drivers is very good. AUO's quality standards can help us stabilize our market position. Our AmLED displays are energy-saving and power-saving, with high contrast ratio and excellent visibility of strong light, which greatly improves driving safety and cockpit entertainment experience. AUO will actively comply with Smart mobility trends continue to drive the development of display technology, and we look forward to further collaboration with the ADI team."

Patrick Morgan, corporate vice president of Analog Devices' Automotive Electrification and Sustainable Energy Group, said: "The future of the automotive experience is to incorporate many of the capabilities of consumer electronics into the vehicle. Through this partnership, ADI's high-performance automotive power technologies and strengths will help A new generation of widescreen monitors comes to market with significantly lower power consumption and full functional safety capabilities."

AUO has adopted the MAX25500 4x24 automotive LED matrix driver from ADI's family of automotive local dimming display drivers in its local dimming automotive displays, which are now available.

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