The MicroLED-Info newsletter

Tianma demonstrated several new microLED display prototypes at SID Displayweek 2021. First up is a 7.56" 720x480 (114 PPI) flexible MicroLED display, developed in collaboration with PlayNitride. The display is driven by an LTPS backplane and achieves a brightness of over 600 nits. The bending radius is 50 mm.

The second display is a tiled display that combines two 5.04" 480x320 (114 PPI) LTPS microLED displays. This one was develop again in collaboration with PlayNitride. The border (bezel) of the panel is less than 0.03 mm - although looking carefully at the display you can see a black line separating the two panels.

MicroLED developer PlayNitride introduced interesting new display prototypes at SID Displayweek 2021.

The first display is a 89-inch 5K (59 PPI) curved display, produced from tiled microLED panels. The display has a 32:9 aspect ratio with the microLEDs driven by PCB. The 89-inch display is build from 168 tiles, and it achieves a brightness of over 2,000 nits.

Vuzix have officially launched its microLED display engines. These tiny (<0.4 cc and only 6.2 mm wide) devices offer over 2 million nits and feature 1 um pixels. Vuzix did not detail the resolution, but it less than HD (so likely to something like VGA or so).

Vuzix says that samples of the new engines are now available upon request. These are monochrome devices, and one would have to use three (red, green, and blue) for a full color display. Vuzix is developing full-color and higher-resolution (HD) engines. Vuzix says that its next-generation smart glasses will adopt these devices which are now on offer to customers.

Quantum Dots developer Nanosys announced that it acquired microLED display developer Glo. The financial details were not disclosed.

Glo has been developing GaN microLED displays on both LTPS and CMOS (microdsiplay) backplane. The company, founded in 2003, has invested (according to Nanosys) over $200 million in its technology - which includes epitaxial LED growth, transfer technology and chip processing.

China-based display maker Royole introduced a stretchable and transparent microLED display prototype at SID Displayweek 2021. The company says that this display, the first of its kind, is compatible with existing industrial manufacturing processes.

The prototype panel is a 2.7-inch 96x60 display (120 PPI) . It can stretch by up to 130% and bend up to 40 degrees. It is quite transparent, too - with a transmittance of 70%.