AU Optronics bets on mini LED backlit LCDs

May 13, 2019 // By Julien Happich
mini LED backlit
AU Optronics has developed an extended suite of mini LED backlit LCD panels from 2.9 to 32 inches with high brightness and high dynamic range across gaming, VR and professional applications.

The company claims its 15.6-inch UHD 4K LTPS LCD has the world’s highest 120Hz refresh rate for gaming notebook PC, but it is also about to showcase a curved car display with multiple panel lamination levels and an ultra-high resolution 2.9-inch LTPS display for VR applications.

Designed for high-end gaming notebook PCs, AUO’s 17.3-inch LTPS LCD offers UHD 4K ultra high resolution (3840x2160), a mini LED backlight design with 240 zones and peak brightness of over 1,000 nits to meet the highest VESA DisplayHDR performance level. The module is only 3.5mm thick. The 15.6-inch LTPS LCD combines the best of image quality and refresh rate, boasting UHD 4Kultra high resolution and a 120Hz refresh rate with a response time of 8.3ms.

Designed for VR headsets, the 2.9-inch LTPS display boasts 3456x3456 pixels at a pixel density of 1,688 PPI. Adopting mini LED backlight technology with active matrix (AM) driver circuit, the display possesses as many as 2,304 local dimming zones for HDR images to reveal perfect image depth and details for lifelike gaming experience.

Addressing smart automotive user interfaces, AUO has developed a full range of high performance car displays using multiple panel lamination. Specifically, one vehicle cockpit display joins a 12.3-inch cluster and a 20-inch CID/front passenger seat panel by direct bonding lamination, yielding a huge streamlined display with high resolution, high brightness and 1,200R curvature. Another V-shaped vehicle cockpit display consisting of a 12.3-inch cluster and 12.3-inch CID comes in 300R curvature and cold-form cover lens, enabling accurate image performance.

A 14.5-inch LTPS CID panel integrates both in-cell touch solution and curved design, with the display bent on the sides where TDDI (touch and display driver integration) ICs are located. As a result the display appears in a compact structure, closely integrated with the car interior to provide all the more intuitive and convenient user experience.


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