TCL CSOT
TCL CSOT (China Star Optoelectronics Technology, also called Shenzhen Huaxing Photoelectric Technology) is a China based display producer (owned by TCL, and Samsung Display). The company is producing both LCDs and OLED displays, and researching microLED displays.
Over the years, TCL CSOT demonstrated several microLED display prototypes, including tiled TV displays, flexible and wearable displays, and more. TCL itself also announced several AR headsets based on microLEDs.
In 2020, CSoT launched a $43 million project with San'an Optoelectronics to co-develop micro LED materials and production processes and equipment.
Contact information for TCL CSOT
No.5 FuHong Road
Guangdong Sheng
China
Sony to spin-off its TV business and bring TCL as a 51% stakeholder, will include its business LED displays
Sony signed an agreement with TCL to spin-off Sony's TV business to a new company called Bravia Inc. TCL will pay around $473 million to acquire a controlling 51% stake in the new company. Bravia Inc. is expected to commence operations in April 2027.

Bravia Inc. will not just retain ownership of Sony's TVs - it will also include Sony's home audio equipment including audio and projectors, and Sony's B2B BRAVIA and B2B LED displays. It is not clear, but it is likely that the new company will also handle Sony's Crystal-LED tiled microLED signage displays, and also its upcoming microLED backlit LCDs.
TCL launches two new 163-inch 4K microLED TVs in China, starting at $36,000
TCL launched two new microLED TVs in China, both are based on 163" 4K tiled microLED panels. The Max163M offers 10,000 nits XDR brightness, a 100% BT.2020 color gamut, ultra-low reflection and is based on TCL’s Spirit Control System 3.0 software.
The second TV is the Max163M Pro, which offers higher brightness (TCL only says "over" 10,000 nits) and 120Hz refresh rate (we do know the refresh rate of the regular Max163M, it is likely to be 90Hz or 60hz).
TCL CSOT acquires 80% of Fujian Zhaoyuan Optoelectronics for $70 million, hoping to boost its miniLED and microLED capabilities
TCL CSOT announced that it has acquired 80% of Fujian Zhaoyuan Optoelectronics, for 490 million Yuan (around $70 million USD). TCL hopes that this acquisition will strengthen its in-house miniLED and microLED capabilities and technologies.

Fujian ZhaoYuan Optoelectronics (also known as Fujian Prima Optoelectronics) develops and produces LED epitaxial wafers and LED chips. It operates a mass LED production facility, and focuses on miniLED direct-view displays, automotive lighting and LCD backlighting units.
TCL CSOT shows a 0.28" 5131 PPI full-color microLED microdisplay prototype
TCL CSOT is showing a new single-chip full-color microLED microdisplay at its Global Display Tech-Ecosystem Conference (DTC 2025) in Suzhou, China.

The display is a 0.28" 1280x720 panel (5131 PPI) which TCL says is the world's highest resolution single-chip full-color microLED microdisplay. It's not clear if TCL means that it's the world's highest-res single-panel full-color microLED display, or that the display is based on a blue microLED with QD color conversion (and hence single-chip).
Vuzix and TCL CSoT to co-develop microLED based AR solutions
Vuzix announced a long-term partnership with TCL CSoT to co-develop and integrate microLED displays with waveguide optics, with an aim to deliver integration-friendly, scalable, and cost-effective optical solutions for the smart glasses industry. This new co-development project will utilize TCL CSoT's microLED microdisplays, and Vuzix's waveguides.
The two companies have already finalized a first integration of TCL CSoT's monochrome green microLEDs with Vuzix's waveguides, and have demonstrated a first prototype at a recent tradeshow in China. The two companies are now actively co-developing a full-color microLED and waveguide optical solution, with a planned release in early 2026.
TCL CSOT shows its 219-inch tiled microLED TV, made from 288 tiles
During SID Displayweek 2025, TCL demonstrated a large 219-inch tiled microLED display, that offered a resolution of 5740x1440, and a 120Hz refresh rate.
The company demonstrated this same display at China Display Innovation Forum (DIC FORUM 2025). They now disclose that the TV is made form 288 tiles, each 8.89-inch in size.
TCL CSoT shares more details on its microLED prototype displays shown at Displayweek 2025
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.
TCL CSoT unveils new microLED display prototypes at SID 2025, including a 0.05-inch microLED microdisplay
At Displayweek 2025, TCL CSoT demonstrated several new microLED displays. The most interesting one seems to be the world's smallest microLED microdisplay at 0.05-inch. The display offers a density of 5080 PPI, and a brightness of 4 million nits. This is the first time TCL shows a microLED microdisplay.
OLEDs and MicroLEDs by TCL CSoT, SID Displayweek 2025
TCL also showed a large format display, a 219-inch 5760x1440 120Hz tiled display. The company did not disclose any technical specifications. The company also showed a microLED display designed for automotive HUD applications, that offers a brightness of up to 45,000 nits and a wide FOV.
TCL CSOT shows its latest MicroLED prototypes at Displayweek 2024
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.
TCL launches a commercial 163" MicroLED TV, the X11H Max, priced at $110,000
Chinese TV producer TCL announced its first commercial microLED TV, the 163-inch 4K TV X11H Max. The TV offers an XDR peak brightness of 10,000 nits, 22bit+ color depth, extremely fast response speed (nanosecond level) and a lifetime of over 100,000 hours. The price is set at 799,999 Yuan, or around $110,000.
This is obviously an ultra-premium product, but it is great to see TCL formally enter the microLED market. TCL first demonstrated a prototype 163" microLED panels back in 2023. It is likely that this new tiled TV features an Oxide-TFT (IGZO) backplane.
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