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MicroLED displays use ultrafine LED devices to create beautiful, flexible and highly bright and efficient displays.
Semiconductor wafer product supplier IQE launched a new portfolio of 200mm (8”) Red, Green and Blue epitaxial wafer products for microLED display qualification. The wafer epitaxy is based on GaN and GaAs materials.
IQE says that it plans to scale up its technology to 300 mm (12-inch) wafers, to enable more cost-effective solutions for microLED developers.
Taiwan-based MicroLED developer PlayNitride (a MicroLED Industry Association member) has demonstrated its latest microLED displays at Display Week 2023.
First up we have the company's tiled large-area microLED displays, called PixeLED Matrix. The company showed a 166" vertical installation, that is made from 324 modules. The total resolution is 1440x4860 (30 PPI, or a pixel pitch of 0.833 mm). This was a very nice looking demonstration.
LG Electronics launched a new version of its microLED MAGNIT displays, specifically for virtaul production (model LBAF). The new model is designed to help directors to create immersive visual experiences, ideal for film and media production.
The new MAGNIT TVs feature LG's chip-on-board (COB) LED technology and a 1.5mm pixel pitch. LG's previous microLED displays were available in four four pixel pitch options - 0.68, 0.78, 0.94 and 1.25 mm.
Taiwan-based Innolux demonstrated several new microLED display prototypes at Display Week 2023.
First up is a small round active-matrix 1.1" 374x374 (338) PPI microLED panel. This one was produced on an LTPS backplane and offers a brightness of 500 nits (relatively low for a microLED display. The LEDs are 40 um in size.
I 2022 LG Display demonstrated a 12" 100 PPI (pixel pitch 40 um) full-color stretchable MicroLED display. During Display Week 2023, the company demonstrated this display again, in a demo that showed a working touch version of this display covering an automotive-style button, which was quite impressive.
The display can stretch up to 20% (to create a 14" display), and LG says that this display can be commercialized soon, as it is highly flexible, durable, and reliable. The new display is produced on a "highly resilient film-type substrate made of special silicon used in contact lenses".
China-based microLED display developer Sitan Technology demonstrated its latest microLED displays at Display Week 2023.
The company has developed four microLED microdisplays: 0.13" 1024x748 monochrome, 0.18" 800x600 monochrome, 0.18” 600x400 full-color and a 0.45" monochrome FHD panel. The company's 0.13" display offers a display density of 10,000 PPI (monochrome). The company also showed small transparent microLEDs.
During Display Week 2023, Seoul Semiconductor demonstrated new prototype display modules that use its WICOP microPixel technology. WICOP Pixel is a full-color one-chip vertically-stacked microLED technology that does not require wire bonding, packaging, or lens, and enables easier microLED display production.
Seoul Semi updates that its latest WICOP Pixels reach a brightness of 10,000 nits (up from 4,000 in its previous generation technology).
During Display Week 2023, Tianma demonstrated its latest microLED display prototypes - all of which are transparent displays, stating that the main application for such displays is in the automotive sector.
The first display is a 8.75" panel, offering a resolution of 880x480 (114 PPI), a brightness of 800 nits and high transparency of over 70%. The display is an active-matrix microLED produced on an LTPS backplane.
During Display Week 2023, TCL CSoT showed a new microLED display prototype, a tiled 18.8" 960x540 display.
This is TCL's largest microLED shown to date, we believe. The display offers a pixel-pitch of 0.43 mm, an IGZO backplane and a peak brightness of 1200 nits. CSoT says that the LED chips have an area of 400 squm, which means chip size of about 20 microns.
AUO has demonstrated its latest microLED displays at Display Week 2023. Most of these displays have been shown before, but this was an impressive lineup for the Taiwanese display maker, and we'll detail the displays below.
So first up we have the 13.5" 1920x1080 (163 PPI) transparent microLEDs, which AUO says is the highest-resolution transparent microLED display ever demonstrated. The display offers a transparency of 55% and a high brightness of 5,000 nits. The microLEDs used in this display are 30 micron in size.
