216” 4K UHD All-in-One Direct View LED Display

  • 4K UHD display for rich details and immersive visuals
  • Reliable operation with COB LED packaging technology
  • Immersive audio from built-in Harman Kardon speakers
  • All-in-One design without complicated setup
  • Adaptable and flexible to suit any display scenario
  • Effortless full-front maintenance
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Behold truly spectacular picture quality from ViewSonic® 4K UHD LDP216-121 All-in-One LED Display. A breakthrough innovation in LED displays – the large screen boasts industry-leading Chip-on-Board (COB) LED packaging technology, 4K UHD resolution, and superior audio fidelity from professional Harman Kardon speakers for an out-of-this-world audiovisual experience. Embedded with cutting-edge COB LED packaging technology, it enables finer pixel pitch and well-engineered performance that you can depend on. The minimalistic 4K UHD display is supported with HDR/HLG capabilities to deliver deeper contrasts, ultimate clarity, and more engaging visuals. Soak in a rich, studio-grade soundscape from the seamlessly flushed Harman Kardon speakers – the LDP216-121 is an audiovisual innovation perfect for sophisticated engineering, research institution, and a luxurious audiovisual feast for reception and VIP room. Cleverly designed for user-centric installation and maintenance, the All-in-One solution offers total versatility to fit and enhance any indoor location. Equipped with a detachable system control box, it offers maximum flexibility to blend harmoniously into its surroundings. Stretch beautiful UHD content across an expandable ultra-wide 32:9 video wall. Or simply turn it into portrait mode for an alternative viewing perspective.

    Great Audiovisual Impression

    Brilliant Visuals with Stunning Detail in 4K UHD

    Enjoy the crisp detail of true 4K Ultra HD with 8.3 million pixels on the screen. The 4K series also comes with HDR/HLG support for more dynamic-looking images. This enhanced visual experience is ideal for any professional, commercial or entertainment use. Perfect for research institutions, engineering industries, meeting rooms, reception & VIP rooms, auditoriums, and home cinemas.

    Brightness and Contrast Ratio Maximised for Crystal Clear Images in Any Light Conditions

    Adjustable brightness of 500 nits plus a high contrast ratio of 20,000 to 1 deliver beautiful images in day or night conditions. It all adds up to a sharper, clearer, more immersive, and engaging experience.

    6,000 : 1 20,000 : 1

    Harman Kardon Speakers Deliver a Deeply Immersive Audio Experience

    Studio-level Harman Kardon speakers generate high-fidelity audio tuned to pinpoint clarity no matter where you are in the room. With dual 20W sets of pro-grade tweeters, woofers and passive radiators packed in an ultra-thin ID, you'll hear unforgettably deep audio texture.

    • Harman Kardon Speakers Deliver a Deeply Immersive Audio Experience

      Studio-level Harman Kardon speakers generate high-fidelity audio tuned to pinpoint clarity no matter where you are in the room. With dual 20W sets of pro-grade tweeters, woofers and passive radiators packed in an ultra-thin ID, you'll hear unforgettably deep audio texture.

    Premium Aesthetics
    Exude Superior Sophistication

    Slim, sleek and larger than nine 75-inch LCD displays combined, the 5mm frameless display delivers content seamlessly without stitching bezels for a premium visual experience. At a minimalistic 35mm-slim, the display exudes superior sophistication that complements any interior design.

    Industry-Leading COB LED Technology

    Ultrafine Pixel Pitch for
    Visuals That Exceed Excellence

    The latest development in LED packaging technology, COB LEDs bond multiple LED flip chips directly to the substrate without bonding wires. Compared to SMD technology, COB LEDs provides ultrafine pixel pitch for unparalleled resolution and with better luminous efficiency consuming less power.



    Greater Value and Reliability Through 
    Better Hazard Protection

    COB LED packaging technology means better Ingress Protection for more security from dust, moisture, and anti-collisions. IP54* delivers a measurable promise for the best performance throughout a longer life.

    *IP54 is only for LED module surface, not for the whole product.


    Dust Proof


    A Wider View from Any Angle

    Seen from a broader perspective, The COB LED packaging technology adopts flip chip that translates to the wider viewing angle (170°) available.

    Simple Installation and Versatile Uses

    All-in-One Integration for Effortless Installation

    Simple and fast, fully integrated with power supply, control, image stitching, and display systems, all you need to do is just turn on the display.

    Modular Design Enabling Effortless Installation

    Individual modules automatically configure and calibrate to their location relative to the rest during installation. So, an entire display can be installed by 2 people in just 2 hours*.

    * Personnel trained and certified by ViewSonic.

    Easy Full Front Maintenance

    With our electric vacuum suction tool, the LED modules can be swapped out while the display is powered on. This means anyone can replace a defective piece for quick and easy maintenance.

    Detachable System Control Box for a Sleek, 
    Borderless Blend

    Remove the system control box and blend harmoniously into any elite decor with nearly 99% screen-to-body ratio.

    With System Control Box

    Without System Control Box

    Broaden Your Horizons Effortlessly

    Combine two LED displays to create an ultra-wide 32:9 video wall without complicated integration. Experience visuals of epic proportions that can be installed in a short amount of time.

    For Vertical Content, 
    the Sky’s the Limit

    Some events and spaces are special, and a landscape display just won't do your visuals justice. Portrait mode delivers top-to-bottom impact and spreads the wow factor from floor to ceiling.

    Easy and Intuitive User Experience

    Easy Content Sharing Across Multiple Devices

    ViewSonic ViewBoard® Cast is pre-installed and allows for quick and easy content sharing from up to 4 multiple mobile devices over wireless networks. So, everyone can contribute their part to the big picture.

    Embedded Operation System & 
    Wi-Fi Make Multitasking a Breeze

    With a built-in OS and 2.4G/5GHz Wi-Fi, users can easily work in a familiar PC environment for app installation, web browsing, multimedia play, wireless device connection and more.

    More Cost-Effective Reception of Long-Distance AV Signals

    The built-in HDBaseT receiver can receive uncompressed high-resolution video and audio over long distances (100m for 1080p, 70m for 4K at 30Hz) through a cost-effective Cat.5e/6 single network cable.

    Multiple Content on 
    A Single Screen

    The LED display’s intuitive split-screen function makes video conferences and online collaborations more flexible and creative. The display supports Picture-by-Picture (from up to 4 different inputs) or Picture-in-Picture (a screen within another screen) scenarios in real-time*.

    *Both scenarios only work with HDMI source input.



    Dimensions & I/O Ports

    1. Power Switch
    2. Harman Kardon Speakers
    3. HDMI Out
    4. Audio Out
    5. S/PDIF Out
    6. IR In
    7. USB 2.0 (5V/1.5A) x 2
    8. LAN & Control
    9. HDMI 2.0 x 2
    10. HDMI 1.4 x 2
    11. HDMI 2.1
    12. RS232
    13. USB-C (5V/2A)
    14. USB 2.0 (5V/1.5A)
    15. IR Receiver
    16. Menu Control: Brightness Level
    17. Menu Control: Volume
    18. Menu Control: Input Source
    19. Power Button
    20. Indicator Light


    • Specification
      Screen Size: 216"
      Display Area (mm): 4800 (H) x 2700(V)
      Native Resolution: 3840x2160
      Panel Technology: Direct view LED
      LED Package Type: COB
      Pixel Pitch (mm): 1.25
      Refresh Rate: 3840Hz
      Brightness (max.): 500 nits (8 levels adjustable)
      Contrast Ratio (typ.): 20000:1
      Orientation: Landscape / Portrait
      Viewing Angles (typ.): H = 170, V = 170
      LED Lifetime (typ.): 100,000
      Local Storage: Total 64GB
      (56GB available storage)
      Embedded OS: Android 9.0
      Resolution Support: VGA(640 x 480) to 4K(3840 x 2160)
      HDTV Compatibility: 480i, 480p, 576i, 576p, 720p, 1080i, 1080p, 2160P/60Hz
      Horizontal Frequency: 23-120 kHz
      Vertical Scan Rate: 15-135 Hz
    • Input
      HDMI: x5
      (HDMI 2.1 x 1, HDMI 2.0 x 2, HDMI 1.4 x 2)
      USB Type A: x3
      (USB2.0 x3)
      RJ45 Input (Internet): x1
      IR in: x1
      Wi-Fi Input: 2.4G/5G Hz
      USB Type C: x1
      (Video input、Power output (5V/2A))
      HDBaseT: x1
    • Output
      HDMI out: x2
      (HDMI 2.0 external x1,internal x1)
      Speaker: 20W x2 (Harman Kardon)
      Audio out (3.5mm): x1
      USB Type A (Power): Shared with USB input
      (5V/1.5A x3)