Researchers from Xerox PARC have developed a new micro-transfer printing technique that can be used to mass-transfer microLED devices. This technology offers high performance, simple and robust structure, and high process scalability and flexibility.
The new technology uses thermally induced adhesion modulation of shape memory polymer (SMP) materials. The idea is to use a print head that uses an individually-addressable micro-fabricated resistive heater array, which locally delivers heat for transfer of single microLED devices.
In 2021, Quantum Dots developer Nanosys acquired 3D Nanowire microLED display developer Glo. At Displayweek 2022, Nanosys showed Glo's latest new microLED microdisplay prototype. You can see a demonstration in the video below.
The display is 0.7-inch in size, with a resolution of 480x270, or 787 PPI. That is very low for a microdisplay. The microLED chip size is 7x7 um, and the brightness is 50,000 nits. The performance is underwhelming - however such a solution could find applications, depending on the price - and Nanosys suggests using it in an automotive HUD solution.
Taiwan-based display maker Innolux demonstrated a 12.3" microLED tiled seamless display module prototype, based on an LTPS backplane. The display achieves a brightness of 700 nits and a resolution of 480x180 (40 PPI)
The display is driven by an active matrix backplane, and uses inkjet-printed quantum dots based color conversion system (which we do not have any more info for, as of now). The LEDs themselves are 20x40 um in size.
AU Optronics have been showing new microLED display prototypes, and the following video from Insight Media shows the company's booth and new displays at SID Displayweek 2022.
You can see AUO's stretchable 141 PPI display (a very interesting demo, developed together with PlayNitride), the rollable 14.6" 2K (202 PPI) LTPS microLED display, AUO's 1.4" circular 454x454 (326 PPI) microLED another stretchable microLED, this one 6.45" in size with a 900x450 resolution (163 PPI), and finally AUO's 17.3" 2000-nits 1280x720 transparent (60% transparency) microLED prototype.
Content marketing has become a vital part of any marketing strategy, and this is especially true for highly technical markets like the display industry. Today, we published a new video - an online lecture that discusses content marketing techniques and strategies for display industry professionals.
Content marketing involves the creation of articles, videos or any other media types that provide useful content to your audience, thus encouraging user connection, increasing brand awareness and loyalty, and of course generating useful industry leads.
Here is an interview we conducted with Applied Materials' Director of Global Product Marketing, Daniel Hada, who details the company's solutions for MicroLED production and R&D.
Q: Can you tell us a little bit about Applied Materials' Baccini systems? What kind of systems are you offering?
We provide advanced screen-printing solutions for both R&D applications and high volume manufacturing. All Baccini systems are built for sheet-to-sheet printing, either on flexible or rigid substrates. In addition to our screen-printing capabilities, we also provide customers with different drying and curing solutions, in-line inspection systems to monitor the quality of the print immediately after the print, and fully automated print lines to enable low cost, and high volume manufacturing. Utilizing Baccini’s Esatto technology which provides high accuracy and high print repeatability, we developed the Double Print technology years ago, to allow print on print capability for printing narrow lines/small features with high aspect ratios and to minimize interruptions in the printed lines.