TCL China Star Optoelectronics Technology Co Ltd, commonly known as TCL CSOT or Shenzhen Huaxing Photoelectric Technology, is a prominent Chinese manufacturer of semiconductor displays. Founded in 2009, the company is headquartered in Shenzhen, China. TCL CSOT operates as a subsidiary of TCL Technology Group Corp., with minority stakes held by Samsung Display and Century Science & Technology Investment. In 2025, TCL CSOT reported a revenue of CNY 105.24 billion (approximately US$14.66 billion) and employs an estimated 2,001-5,000 individuals, though some sources suggest up to 40,000 total employees for TCL CSOT including its affiliates.
TCL CSOT is a global innovator in display technologies, producing a wide range of LCDs, OLED displays, and MLED (Mini LED, Micro LED) solutions. Its products are integrated into various applications, including televisions, smartphones, tablets, laptops, monitors, automotive systems, VR/XR devices, electronic whiteboards, video walls, and other commercial displays. The company maintains extensive operations with nine panel production lines and five module bases across locations in China and India, and actively invests in the research and development of next-generation display technologies such as flexible OLED, printed OLED, and QD-OLED.
In terms of patent litigation, TCL China Star Optoelectronics Technology Co Ltd appears to function as an operating company that defends against intellectual property challenges. The company's sole tracked case shows it as a defendant and zero cases as a plaintiff. This posture is characteristic of a manufacturer or provider of products and services that is facing assertions of patent infringement.
The company's single tracked case is "Corning Incorporated v. TCL China Star Optoelectronics Technology Co Ltd et al.," filed on December 18, 2024, in the U.S. International Trade Commission. This venue is frequently utilized by operating companies seeking to block the importation of goods that allegedly infringe their patents. As a subsidiary of TCL Technology, a major Chinese electronics conglomerate, TCL CSOT's legal involvement often reflects broader strategic interests within the global display manufacturing industry.