LG 55TR3DK-B Interactive whiteboard/conference Display

Display
Display diagonal	139.7 cm (55")
Contrast ratio (typical)	1200:1
Touchscreen	Yes
Panel type	IPS
Viewing angle, vertical	178 Â°
Viewing angle, horizontal	178 Â°
Response time	8 ms
Colour gamut	72%
Display brightness	390 cd/m Â²
Display resolution	3840 x 2160 pixels
HD type	4K Ultra HD
Contrast ratio (dynamic)	50000:1
Maximum refresh rate	60 Hz
Features
Display diagonal	139.7 cm (55")
Contrast ratio (typical)	1200:1
Touchscreen	Yes
Panel type	IPS
Viewing angle, vertical	178 Â°
Viewing angle, horizontal	178 Â°
Response time	8 ms
Colour gamut	72%
Display brightness	390 cd/m Â²
Display resolution	3840 x 2160 pixels
HD type	4K Ultra HD
Contrast ratio (dynamic)	50000:1
Maximum refresh rate	60 Hz
Product colour	Black
Graphics card	Mali-G52 MP2
Computer system
Graphics card	Mali-G52 MP2
RAM capacity	32 GB
Audio
Built-in speaker(s)	Yes
Number of built-in speakers	2
Speaker power	15 W
Projector
Aspect ratio	16:9
Built-in projector	No
Contrast ratio (typical)	1200:1
Network
Bluetooth	Yes
Bluetooth version	5.0
Wi-Fi	Yes
Ethernet LAN data rates	10,100,1000 Mbit/s
Ethernet LAN	Yes
Top Wi-Fi standard	Wi-Fi 6 (802.11ax)
Wi-Fi standards	802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 6 (802.11ax)
Ports & interfaces
USB 2.0 ports quantity	1
HDMI ports quantity	3
HDCP	Yes
Ethernet LAN (RJ-45) ports	2
HDCP version	2.2
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	1
VGA (D-Sub) ports quantity	1
Line-in	Yes
Line-out	Yes
Bluetooth	Yes
Bluetooth version	5.0
Wi-Fi	Yes
Ethernet LAN data rates	10,100,1000 Mbit/s
Ethernet LAN	Yes
Ergonomics
Product colour	Black
Panel mounting interface	400 x 200 mm
VESA mounting	Yes
Power
AC input voltage	100 - 240 V
AC input frequency	50 - 60 Hz
Power consumption (typical)	170 W
Power consumption (off)	0.5 W
Power consumption (max)	395 W
Operational conditions
Operating temperature (T-T)	0 - 40  Â°C
Operating relative humidity (H-H)	10 - 90%
Technical details
Touchscreen	Yes
Panel type	IPS
Viewing angle, vertical	178 Â°
Viewing angle, horizontal	178 Â°
Response time	8 ms
Colour gamut	72%
Sustainability certificates	ENERGY STAR
Weight & dimensions
Width	1271 mm
Depth	774 mm
Height	87 mm
Weight	26.1 kg
Packaging data
Package width	1401 mm
Package depth	859 mm
Package height	220 mm
Package weight	34.5 kg
Sustainability
Sustainability certificates	ENERGY STAR
Memory
RAM capacity	32 GB
Colour
Product colour	Black

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Various Teaching Templates

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.


Multi-touch

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.


Easy to Save / Import / Export

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).


Wireless ScreenShare

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

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.


Bluetooth Connectivity

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.


C-type Connection

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


Front Connectivity Design

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.


Built-in OPS Slot

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.


Smart Viewing

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).


Power Saving

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.