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Explanation of problems related to quantum dots QLED TV
量子點相關問題說明
1. 明確TCL量子點電視(顯示器)產品的特徵
TCL量子點電視(顯示器)產品是指具備高色域、顯示效果更好的產品。相較普通電視(顯示器)產品，TCL量子點電視(顯示器)在色域上有大幅提升，其4K產品均能達到92%的高畫質顯示效果。
● Clarify the Characteristics of TCL’s QLED TVs
TCL’s QLED TVs are designed to deliver superior display performance with a high color gamut. Compared to non-QLED TVs, TCL’s QLED TVs achieve a significant improvement in color gamut, with all 4K models reaching at least 92% DCI-P3.
2. 量子點顯示技術是一項系統工程技術
量子點顯示技術並非單純是鎘或銦元素的使用，它是涉及基礎材料處理、分子合成、材料集成、光學處理、熱處理、演算法等多學科（光學、機械、電子、軟體）多領域技術協同的系統技術，以獲得更高的色域，優化顯示產品的畫質表現。TCL致力於通過多學科技術創新，在保持高色域效果的同時不斷改進工藝技術，持續為消費者帶來更好的視覺和健康體驗，為社會提供綠色環保產品。
● QLED Technology is a Comprehensive System Engineering Technology
QLED Technology involves more than just the use of specific elements like cadmium or indium. It is a multidisciplinary system technology that integrates material processing, molecular synthesis, materials integration, optical treatment, thermal treatment, and image algorithm. This cross-disciplinary collaboration across optics, mechanics, electronics and software aims to provide consumers with TVs featuring a higher color gamut and optimized display performance. TCL is committed to continuous innovation across these disciplines. TCL’s approach is designed to maintain high color gamut while delivering enhanced visuals, healthier experiences and environmentally friendly products to consumers.
3. 全球公認的量子點顯示技術方式多種多樣，並不由單個公司獨自訂標準，由於量子點顯示技術實現路徑和材料應用的顯著差異化，顯示行業並未制定出全球明確的技術標準。
(1)全球實現產業化的量子點材料多樣化，如硒化鎘、磷化銦、鈣鈦礦等。硒化鎘因其色彩表現優異、可靠性高，被廣泛應用於量子點顯示器中。
(2)量子點材料具有不穩定性，容易受光、熱、水、氧等條件影響，因此需要對量子點材料進行包覆，以提升量子點材料的穩定性，當前行業內有多種技術方式實現。
(3)量子點在產品的不同應用場景和不同的環境要求，其部品加工與實現方式，具有多樣性。
● Address the Diversity of QLED Technology Standards
The display industry has yet to establish a clear and unified global standard for QLED technology due to significant differences in material applications and technological approaches. Given these below complexities, no single company can or should attempt to define the standards for QLED technology.
(1)Quantum dot materials that have been industrialized globally include cadmium selenide, indium phosphide, and perovskite. Cadmium selenide is widely used in QLED TVs due to its excellent color performance and reliability.
(2)Quantum dot materials are inherently sensitive to light, heat, moisture, and oxygen, requiring encapsulation to enhance their stability. Various encapsulation methods are employed in the industry to address these challenges.
(3)The application and processing of quantum dots varies depending on product scenarios and environmental requirements, resulting in diverse implementation methods.
4.TCL致力於提供安全可靠的量子點顯示技術方案
TCL嚴格遵守歐盟CE認證、RoHS指令等國際安全和環保標準，並嚴格遵守所在區域法規要求，嚴格控制量子點材料的使用量，確保所有產品在使用過程中對消費者健康和環境安全無害。
TCL量子點電視(顯示器)以提升色彩表現為重要目標，通過綜合運用高效LED背光源、量子點材料科技、影像處理晶片及畫質優化演算法等多項技術，確保TCL量子點電視(顯示器)的色域均達到92%的高畫質顯示效果，能為消費者提供優質的色彩體驗。其主要的技術支撐包括：
(1)採用高光效LED設計，搭配高聚光光學膜片和多層共擠量子點擴散板或量子點膜片技術，提升背光源亮度與色彩；
(2)採用智慧場景清晰、智慧圖像感知、場景優化、色彩淨化等技術，實現高色彩畫質顯示。
● TCL is Committed to Providing Safe and Reliable Quantum Dot Display Solutions
TCL strictly adheres to international safety and environmental standards, including the EU CE certification and RoHS Directive, while also complying with all applicable local regulations. TCL rigorously controls the usage of quantum dot materials to ensure that all products are safe for consumer health and the environment.
All 4K QLED models from TCL achieve at least a 92% DCI-P3 color gamut by integrating advanced technologies, such as high-efficiency LED backlight, quantum dot material technology, image processing chips, and picture quality optimization algorithms. Key technical supports include:
(1)High-efficiency LED design combined with high-gain optical film and multi-layer co-extruded quantum dot diffusion plates or quantum dot film technologies to enhance backlight brightness and color performance.
(2)Smart scene clarity, intelligent image perception, scene optimization, and color purification technologies to achieve a high-quality display performance.
5.檢測量子點材料含量需選用準確度高的設備和合適的檢測方式
有關第三方機構提出在TCL量子點電視(顯示器)中未檢測出鎘元素，我們推測可能是由於檢測設備的精度不足或採用的檢測方法差異，導致檢測的結果顯示無法測出相關型號產品的鎘含量。TCL產品符合歐盟CE認證、RoHS等安全環保要求，消費者可以放心使用。
● Accurate Detection of Quantum Dot Content Requires High-Precision Equipment and Appropriate Methods
Regarding the claims by a third-party company in South Korea that cadmium has not been detected in TCL’s QLED TVs, TCL believes that this may be due to the insufficient precision of the detection equipment or to the particular testing methods and testing standards employed, resulting in mistaken conclusions. TCL’s products comply with EU CE certification requirements, RoHS Directive, and other international safety and environmental standards, ensuring they are safe for consumers to use with confidence.
6. TCL始終以消費者體驗為核心，通過技術創新和優化，不斷提升色彩表現，為消費者提供更優質的產品和服務。我們歡迎各界的監督與建議，也推崇良性競爭與科學理性的討論，以開放的態度與行業夥伴共同推動顯示技術的進步。
● TCL’s Approach
TCL always prioritizes the viewing experience of its customers, continuously improving color performance through technological innovation and optimization to provide consumers with higher-quality products and services. TCL welcomes constructive feedback from all sides and encourages healthy competition and rational discussions. With an open and collaborative approach, TCL is committed to working with industry partners to advance display technology.
