China Star Optoelectronics Technology (CSoT)

Last updated on Tue 04/06/2024 - 15:26
Company Type: 

CSoT LogoChina Star Optoelectronics Technology (commonly known as CSoT) is a China based display producer (owned by TCL). The company is producing small and large LCD panels, OLED displays and is also developing next-generation display technologies.

CSoT is developing QD-OLED displays that adopt a perovskite quantum dots as a color conversion film. CSoT calls this display technology PE-OLED.

 
Company Address

No.5 FuHong Road
Futian
Shenzhen
China

Hansol Chemical files a complaint against TCL at the FTC, saying its QD-LED TVs do not contain quantum dots materials

A couple of months ago we reported that Korean QD developer Hansol Chemical commissioned SGS and Intertek to test some of TCL's QLED TVs, finding that these do not in fact contain any Cadmium or Indium. Hansol  has now filed a complaint with the Fair Trade Commission (FTC) in the US against TCL, saying that it falsely advertised its TVs as QD-LED TVs.

TCL QDEL TV photo

In its FTC complaint, Hansol mentioned three TCL TV models: C755, C655 and C655 PRO. This will be interesting to watch.

Read the full story Posted: Nov 12,2024

TCL CSoT shows a 14" inkjet printed QD-EL display, announced a $1 million prize to accelerate the technology

TCL CSoT demonstrated a 14" 2.8K inkjet-printed QD-EL display, that offers 30-120Hz VRR refresh rates and a 85% BT2020 color gamut. The impressive display won SID Displayweek's People's Choice Award.

TCL's CEO gave a keynote speech at Displayweek, saying how this is an early-stage technology that still has a lot of challenges before it can be commercialized - mainly the lifetime of the blue material. To encourage collaboration and innovation, TCL CSOT announced the Blue Star Project with a $1 million prize to incentivize collaboration and accelerate breakthroughs in QD-EL technology.

Read the full story Posted: May 19,2024

TCL launches the world's largest miniLED QLED TV at 115-inch

TCL announced what it says is the world's largest miniLED backlit QD display - the QM8 (Model 115QM89). This 115" TV offers 20,000 local dimming zones, TCL's AIPQ Ultra processor,  a 6.2.2 channel speaker system, and the company's High Brightness Ultimate LED backlighting, which can produce up to 5,000 nits of peak brightness.

TCL did not yet disclose the price or availability of the 115" QM8.

Read the full story Posted: Jan 11,2024

TCL's latest QLED miniLED TV is the world's brightest at 5,000 nits

TCL announced a new flagship QLED 4K TV, the X955 - a miniLED backlit TV, that offers over 5,000 local dimming zones, and a peak brightness of 5,000 nits - probably the brightest consumer TV ever.

The X955 is powered by TCL's AIPQ 3.0 processor, and is available in either 85-inch or 95-inch in size. TCL did not yet reveal the expected price.

Read the full story Posted: Sep 01,2023

Nanosys: we shipped QD materials for over a thousand display products

Quantum Dots developer Nanosys announced a milestone in QD technology commercialization - the 1,000th unique display product that utilizes its QD materials. Nanosys says that it has shipped over 140 tons of QD materials and it holds more than 800 unique patents.

Nanosys offers QD solutions for LCDs, OLEDs, microLEDs and QD-EL displays (which it calls nanoLEDs). The company’s tier-one customer base includes all top-10 global television brands and four of the top-five IT brands, including Samsung, LG, Sony, VIZIO, TCL, Hisense, Acer, ASUS, and Phillips.

Read the full story Posted: Apr 12,2023

TCL plans to launch QD-OLED TVs later in 2023

Update: TCL says it issued that statement by mistake, and it has no current plans to ship a QD-OLED TV in 2023

TCL says that later in 2023 it will launch its first QD-OLED TVs, which will make it the third company (after Samsung and Sony) to offer these TVs.

TCL did not give any more details on its upcoming QD-OLED lineup.

Read the full story Posted: Jan 05,2023

Nanosys and Bready join forces to offer lower-cost QD laminated films

QD developer Nanosys announced a partnership with functional polymeric film developer Nanjing Bready Advanced Materials Technology. The two companies started mass producing the world’s first line of completely air-stable, barrier-free, laminated quantum dot film components.

Nanosys says that the new xQDEF laminate film offers high quality QD color and brightness - in a lower-cost package. Nanosys hopes that the new film will unlock new markets for QD displays. Tier-one consumer electronics brands including Hisense, TCL and Vizio are expected to launch display products based on the new components in H2 2022.

Read the full story Posted: Apr 29,2022

Nanosys and CYD launch air-stable QD diffuser plate product for the display industry

Quantum Dots developer Nanosys, in collaboration with Nangtong Changed New Material (CYD) announced that it has developed air-stable quantum dot materials for the display industry, using diffuser plate technology.

Nanosys already launched a product, called xQDEF Diffuser Plate - and in fact Nanosys says that it has already received orders from multiple tier one consumer electronics brands such as TCL and Hisense for the xQDEF Diffuser Plate, which is now in mass production and products based on this material will be shipping within this quarter.

Read the full story Posted: Sep 09,2021

Zhijing Nanotech and TCL introduce pQDs to LCD technology in a pilot projet

Perovskite QD film developer Zhijing Nanotech updated that it recently concluded a successful pilot with TCL to produce 500 75-inch QD-enhanced LCD TVs with Zhijing's PQDF films.

TCL 75M10 TV with Zhijing Nanotech's perovskite film photo
The company reports that the TVs featured a wide color gamut, 147% BT709 - which is higher than most QD TV's on the market, and higher than TCL's original 75M10 TVs. The green Cadmium-free pQD films have excellent optical properties and offer lower cost compared to current QD solutions, according to Zhijing Nanotech.

Read the full story Posted: Jan 12,2021