Ecrã plano de sinalização digital Samsung QM55B-T 55 polegadas LCD 4K Ultra HD VA, 400 cd/m², Tizen 6.5, ecrã tátil

The Samsung QM55B-T is a 55" digital signage flat panel with LCD technology and 4K Ultra HD resolution (3840 x 2160). It offers a VA panel, 55-inch diagonal, 500 cd/m² brightness, wide 178° viewing angles and a typical contrast ratio of 4000:1. The display is designed for continuous 24/7 operation, includes touch capability, built-in speakers and runs the Tizen 6.5 operating system with 16 GB internal memory. Connectivity options include HDMI, USB, Ethernet (RJ-45), Wi‑Fi, Bluetooth and RS-232. The panel supports HDCP and has a pivot function and VESA 200 x 200 mounting.

Advantages

The QM55B-T combines 4K resolution with a VA panel for high contrast and wide viewing angles, while a 500 cd/m² brightness ensures legible images in many indoor environments. Integrated Tizen OS and 16 GB memory enable content playback without additional hardware, and touch functionality supports interactive applications. A broad set of wired and wireless connections (HDMI, USB, Ethernet, Wi‑Fi, Bluetooth, RS‑232) simplifies integration into signage networks. The unit is rated for 24/7 operation and includes built-in speakers and pivot support for flexible installation.

Suitable for

• Digital signage in retail and shopping centers
• Interactive information kiosks and wayfinding
• Corporate lobbies, meeting room displays and reception areas
• Public venues and transportation hubs requiring continuous operation

Key specifications

• Display diagonal: 55" (139.7 cm)
• Resolution: 3840 x 2160 (4K Ultra HD)
• Panel type: VA, LCD
• Brightness: 500 cd/m²
• Contrast ratio (typical): 4000:1
• Viewing angles: 178° horizontal / 178° vertical
• Response time: 8 ms
• Refresh rate: 48–75 Hz
• Pixel pitch: 0.315 x 0.315 mm
• Operation time: 24/7
• Built-in speakers: Yes
• Touchscreen: Yes
• Operating system: Tizen 6.5
• Internal memory: 16 GB
• Connectivity: HDMI, USB, Ethernet (RJ-45), Wi‑Fi, Bluetooth, RS-232, HDCP support
• VESA mount: 200 x 200 mm
• Pivot: Yes
• Dimensions (W x D x H): 1253.8 x 56.7 x 734.6 mm
• Weight: 26.9 kg
• Operating temperature: 0–40 °C
• Power consumption: 143 W (operating) / 0.5 W (standby)
• Energy efficiency class (SDR): G

How to use

Mount the panel using a compatible VESA 200 x 200 bracket or stand and connect power and source devices via HDMI, USB or Ethernet as required. For networked content, connect the display to a wired network (RJ-45) or set up Wi‑Fi and configure the built-in Tizen 6.5 platform. Use the touch functionality for interactive applications; enable Bluetooth or connect peripherals via USB when needed. Adjust display settings such as brightness, orientation (pivot), and picture mode through the on-screen menu for the installation environment.

Recommendations

For reliable long-term performance, install the QM55B-T in a well-ventilated indoor location within the specified operating temperature range (0–40 °C). Use recommended content formats and maintain firmware updates for the Tizen OS. When mounting in public areas, secure cables and consider a protective mount to prevent accidental impact.