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**High Color Gamut in LED Displays**

4 views admin 2025-10-16

  • High color gamut technology in LED displays significantly expands the color reproduction range through material innovation and structural optimization, achieving an极致 restoration of the real world. The following sections elaborate on the technical principles, industry standards, mainstream solutions, application scenarios, and latest advancements:
  • **I. Color Gamut Standards**
 
  • Color gamut refers to the range of colors a display device can reproduce. Commonly used standards include:
  • * **DCI-P3:** Covers cinematic-level colors, accounting for approximately 48% of the CIE 1931 color space. It is the mainstream standard for film and television production. * **ITU-R BT.2020:** The target color gamut for Ultra High Definition television, covering 76% of the CIE 1931 color space, representing the ultimate direction for future display technology.
 
  • II. Main Technical Solutions and Principles**
 
  • RGB Three-Primary Independent Drive Technology:** By independently controlling the brightness and chromaticity of the red, green, and blue LED chips, color loss during light mixing is avoided. For example, certain solutions dynamically allocate the brightness of each channel, maintaining color saturation even in high-brightness scenarios. Especially in monochromatic scenes, activating only the corresponding channel enables pure, color-contamination-free display.
  • *Quantum Dot Materials:** Utilize high-concentration quantum dot crystals that can emit purer red and green light, improving color point accuracy by 69% and reducing mixing interference from the source.
 
  • *High-Purity Color Filters:** Precisely filter the spectrum to ensure the output light highly matches the quantum dot emission, further enhancing color gamut purity. One solution using this technology achieved 100% BT.2020 global high color gamut for the first time, maintaining color consistency in both monochrome and complex multi-color images.
 
  • *Mini-LED:** Enhances brightness uniformity through dense arrangement of micron-level LEDs and local dimming zones. For instance, some solutions use large-light-source Mini-LEDs to achieve high brightness and a wide color gamut (exceeding DCI-P3) at low current, while also reducing energy consumption.
 
  • Micro-LED:** The self-emissive pixel structure delivers higher color purity. Industry-launched transparent Micro-LED displays cover 120% NTSC color gamut, balancing transmittance and brightness, making them suitable for retail and art exhibitions.
  • III. Application Scenarios and Industry Value**
 
  • *Professional Film and Television Production:** High color gamut LED screens have become the preferred choice for virtual production. For example, one solution, with 4000 nits peak brightness and 96-bit grayscale control, can accurately reproduce the light and shadow details of HDR content, meeting film-grade production requirements. Another solution's 10,000 nits brightness and 100% BT.2020 color gamut perfectly adapt to the highest Dolby Vision standards, ensuring accuracy for color grading.
 
  • *Science Museums and Museums:** Displays like the P2 with 98% DCI-P3 color gamut and 2200 nits brightness vividly present scientific scenes such as cosmic nebulae and molecular motion, creating immersive experiences combined with shaped splicing technology.
 
  • Smart Retail:** Industry-launched Micro-LED mirror displays (115% NTSC gamut) and transparent displays (120% NTSC gamut) enable seamless integration of advertising with the environment, enhancing consumer interaction.
 
  • Healthcare and Education:** High color gamut screens can accurately display color differences in medical images, aiding diagnosis. For instance, solutions with 6000Hz refresh rate and DCI-P3 color gamut ensure clarity of dynamic images in medical conferences.
 
  • Automotive Field:** Industry-launched Micro-LED mirror displays and transparent dual-sided displays, with high color gamut and strong anti-glare properties, are ideal choices for smart cockpits.
 
  • AR/VR:** Full-color Micro-LED modules (e.g., 0.2-inch) covering 108.5% DCI-P3 color gamut and reaching 500,000 nits brightness provide high-fidelity images for near-eye displays.
 
  • IV. Latest Technological Advances (2025)
 
  • Proliferation of Global High Color Gamut:** A new Mini-LED technology utilizes a single white LED emission mechanism to achieve over 20,000 backlight dimming zones at equivalent cost, with dimming precision far exceeding traditional RGB Mini-LED, while the body thickness is only 2cm, making it the world's thinnest Mini-LED TV.
 
  • Innovation in Transparent and Mirror Displays:** The industry has launched multiple transparent Micro-LED products with transmittance over 72%, brightness above 3000 nits, supporting infinite tiling, suitable for windows, building curtain walls, etc. Mirror displays integrate into smart retail and home environments through high reflectivity (86%) and low-power design.
   

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