MicroLED LTPS

LG Electronics announced its latest microLED ultra-large display, the MAGNIT Active Micro LED. This is the company's first microLED display that is based on an LTPS backplane (rather than a PCB one). The company says that these new displays offer increased image clarity, contrast and depth.

LG's new MAGNIT displays are now available in Korea. While these are tiled displays, it seems that LGE is offering a single size - 136" with a 4K (3840x216) resolution and a 144Hz refresh rate. The new displays are powered by LG's 6-Gen α9 AI Processor and its WebOS platform, and include built-in 100 Watt speakers and enhanced Audio Return Channel (eARC) for lossless playback of high-quality audio. Finally, LGE says that the new microLED displays received a Color Consistency Wide Viewing certification from TÜV Rheinland.

LG Electronics has been producing tiled microLED displays (branded as MAGNIT displays) for many years, utilizing its own technology based on PCB backplanes.

LG Display has been developing its own tiled microLED technologies, and it is now reported that the two companies are collaborating to bring LTPS-based microLED tiles to LG Electronics' signage. This is not a surprise, as in general we see a shift from PCB backplanes to LTPS backplanes for large-area signage microLED displays, as these offer higher performance, and a simplified circuit design.

Two days ago we reported that TCL CSoT demonstrated new microLED displays at Displayweek 2025, and now the company shared more details about all of the microLEDs it demonstrated.

So first up, we have the world's smallest microLED microdisplay- at just 0.05-inches. The display offers a resolution of 256x86 (5080 PPI), with a 5 micron pitch. The display is a monochrome green color, with a brightness that exceeds 4 million nits. TCL says that the CMOS backplane is highly efficient, and the total power consumption of the display is below 10 mW.

MicroSolid Printing pioneer VueReal is going to unveil several new technologies and products at CES, as the company gets ready for microLED display commercialization. VueReal wants companies to take advantage of the unique properties of microLED displays (mainly the customized production process and the high transparency and high brightness) and this year it will focus on new applications that can be enabled only by microLEDs.

First up, VueReal is launching new microLED Design Reference Kits to enable product designers to buy display samples and integrate into new designs. The first kit will provide microLED-powered lighting panels. These resemble OLED lighting panels - area lighting that is uniform. But unlike OLEDs, microLEDs will provide high brightness, long lifetime, and reduced costs. These are basically monochrome simple displays, and VueReal will offer either in native colour (R, G, B) or phosphor coated (white, red, amber).

Innolux showed several new microLED display prototypes at Displayweek 2024, as it focuses on microLEDs as its next-generation display solution.

First, the company showcased a large 106" tiled microLED TV display, build from 96 12.3" modules. The display uses 20x40 um blue microLED chips (with QD color conversion) and an LTPS backplane.

Visionox showed a large 88-inch tiled microLED display, with a pixel pitch of 0.5 mm, based on 25 micron LEDs and an LTPS backplane. The display feature low (<5%) reflectance and a brightness of up to 1,200 nits.

Vistar also showed a 14.5" panel, a single module that is used to build the 88-inch TV. Visionox says that it developed a dedicated microLED driver IC, that enables 10-bit color depth and "True Color" presentation. Vistar says that it reaches production yields of 99.995% in its mass transfer process, and a repair process that enables perfect displays.

At Displayweek 2024, TCL CSoT demonstrated its impressive 163-inch 4K (0.9375 mm pitch) tiled MicroLED display on show, that offered very high brightness (10,000 nits).

TCL says that the display has a 'nanosecond' response time, and its lifetime rating is over 100,000 hours. This is TCL's X11H Max commercial MicroLED TV, priced at $110,000.

AUO had an impressive booth at Displayweek, showing some of its latest microLED prototypes. It is clear that the company is highly focused on microLED technology as its next-gen display strategy.

First up, with a 31" large area single-panel microLED, which AUO says is the world's largest. The display is produced on a single glass LTPS backplane, and offers 120Hz and a brightness of 500 nits. AUO calls this a Large Size A.R.T. MicroLED display.

Taiwan-based Innolux demonstrated new microLED display prototypes: a wide 187-inch microLED tiled display, a 9.6" flexible automotive microLED prototype and a transparent microLED.

Innolux did not detail much about these new prototypes. All of its microLEDs are based on blue microLEDs with quantum dot color conversion, and LTPS backplanes on glass substrates. 

Visionox demonstrated a new microLED display prototype, a 58-inch tiled display, made from a matrix of 16 modules (each 14.5" in size). The display offers a 10-bit color depth, 240Hz refresh rate, and an ultra-high contrast.

Visionox says that the new display uses 25 um microLED chips, and utilizes China's first dedicated microLED driver IC and a TFT backplane (likely LTPS). From the image we have, it seems as if there are much more than 16 modules, and the seams are quite visible, this seems to be an early-stage display prototype.