55TR3DK-B
Key Features

TR3DK series offers a variety of educational templates and teaching tools such as a ruler, table, and sticky notes, allowing for active engagement by students and enabling intuitive classes. Editing images and videos becomes easy with TR3DK series, and created resources can be easily shared with others through QR codes.

TR3DK Digital Board can simultaneously detect up to 40 points for multi-touch functionality. This creates a lifelike board touch experience, helping students easily become accustomed and truly engage in classes. This leads to the maximum concentration and organic engagement of students.

TR3DK series include simple import and export functionality. Resources can be saved and imported directly to and from Google Drive or OneDrive, and files can be imported from a USB drive (Users can browse resources saved on USB storage).

LG CreateBoard Share enables users to show up to 9 shared screens or a file on a screen in real-time when the LG CreateBoard Share app is installed on the device. Also, files from the host can be easily sent to any devices connected to the LG CreateBoard Share app, and several quick controls by the host are available.

LG ConnectedCare DMS is a cloud solution for remotely monitoring, controlling, and managing the status of TR3DK Digital Board installed in educational environments. This feature enables IT managers to operate and manage important resources on operating devices without physically visiting sites.

TR3DK Digital Board supports wireless Bluetooth connections to various devices such as a speaker, mouse, keyboard, etc. This is optimal for building a hybrid environment so that online and offline classes can proceed smoothly.

USB-C connectivity simplifies connections which enables charging and sending data simultaneously over just one single cable.


The QR code on the home screen reduces preparation time for class by enabling personal device verification. Users can sign up for a variety of apps on the TR3DK Digital Board including Google Drive and OneDrive with just one QR verification without any additional login process. Once a lesson is finished, users can simply click the Logout button to disconnect, thus the risk of a personal information leak is reduced.
TR3DK Digital Board has introduced a flicker-free function. With the reduced flickering of the monitor's backlight, users can use the device with more comfort even when using it for a long time.


TR3DK Digital Board features front display ports and speakers which are ideal for both teachers and students, enabling content to be delivered easier with more immersive sound.
TR3DK Digital Board supports OPS slots, allowing you to easily and conveniently mount OPS desktop at the back of the TR3DK Digital Board without the hassle of connecting to an external desktop, offering you more expanded functions.


The Smart Viewing feature of TR3DK Digital Board enables efficient teaching. Two or more materials can be displayed on the same screen simultaneously without having to repeat Alt-tab, making teaching more convenient and efficient. Two materials can be displayed side by side (multi window mode), or one material can be overlaid on the other one (picture-in-picture mode).
When a device doesn’t receive an external input signal for a specific amount of time set by the user, the device goes into standby mode. Devices can also be automatically turned on or off at specific time or day set by the user, which contributes to save energy.

Screen Size
55"
Panel Technology
IPS
Back Light Type
Direct
Aspect Ratio
16:9
Native Resolution
3840x2160 (UHD)
Refresh Rate
60Hz
Brightness
440nit(wo Glass, max), 390nit (wo Glass, typ) 400nit(w Glass, typ), 350nit (w Glass, typ)
Contrast Ratio
1200:1
Dynamic CR
500,000:1
Color Gamut
NTSC 72%
Viewing Angle (H x V)
178°(H/V)
Color Depth
10bit(8bit + FRC)
Response Time
8ms
Surface Treatment (Haze)
Haze 25%
Life Time
50,000Hrs (L30)
Operation Hours (Hours/Day)
16/7
Portrait / Landscape
No / Yes
Input
HDMI (3, HDCP2.2), RGB (1, VGA), Audio In, RS232C IN, RJ45(LAN), USB3.0 Type A (4), USB2.0 Type A(1), USB Type-C(1, USB-PD, DP-Alt,)
Output
DP Out (HDMI Out), Audio Out (1, Optical 1(SPDIF)), Touch USB (2), RJ45(LAN)
Bezel Color
Black
Bezel Width
T/R/L/B : 18/18/18/45mm
Weight (Head)
26.1Kg
Packed Weight
34.5Kg
Monitor Dimension (W x H x D)
1271×774×87mm
Carton Dimensions(W x H x D) (Box outer size)
1401×859x220mm
Handle
Yes
VESA™ Standard Mount Interface
400 x 200mm
HW
Internal Memory (32GB), Built-in Wi-Fi (Slot type), Auto Brightness sensor, Power Indicator
SW
webOS ver. (Android 11.0), Background Image (Booting Logo Image), Multi-screen (PIP (1 external source), PBP(1 external source), Screen Share (LG CreateBoard Share), Power (Smart Energy Saving (Energy Saving)
Operation Temperature
0 °C to 40 °C
Operation Humidity
10% to 90% RH
Power Supply
100-240V~ 50/60Hz 3.5A
Power Type
Built-In Power
Typ.
170
Max.
395
BTU (British Thermal Unit)
580 BTU/Hr(Typ.), 1348 BTU/Hr(Max)
DPM
≤0.5W
Power Off
≤0.5W
Speaker
Yes (15W x 2)
Safey
CB / NRTL
EMC
FCC Class "A" / CE / KC
ErP / Energy Star
Yes / Yes
OPS Type Compatible
Yes (Slot)
OPS POWER Built In
Yes
LG Connected Care
Yes
LG ConnectedCare DMS
Yes (DMS)
OSB
English, Denmark, Finnish, German, Korean, Norwegian, Polski, Portugues(Europe), Portugues(Brazil), Romanian, Spanish, Swedish, Hungarian
Basic
Power Cord 3 M*1, USB Cable (Type A-Type B) 5 M*1, HDMI Cable 3 M*1, Writing Pen*2pcs, User Manual, QSG, Carton Box, Remote Controller(include battery 2ea), Wifi module
Optional
Wall Mount(WM-L000S), Floor Stand(ST-000F)
Touch - Available object size for touch
Ø2 mm ↑ .
Touch - Reponse Time
≤5ms
Touch - Accuracy
±1mm
Touch - Interface
USB 2.0
Touch - Protection Glass Thickness
3T (Anti-Glare)
Touch - Protection Glass Transmission
88%
Touch - Operating System Support
Windows 7/8/10/Linux/Mac/Android (Linux/Mac Support one point touch)
Touch - Multi touch point
Max 40 points
SoC
Quad core A55
GPU
Mali G52MP2
Internal Memory - Storage
32GB
Internal Memory - RAM
4GB
Wi-Fi
802.11a/b/g/n/ac/ax (WiFi 6)
LAN
Gigabit LAN
Bluetooth
Bluetooth 5.0