LG 75TR3DK 75-inch CreateBoard Interactive Display

Overview

The LG 75TR3DK is a 75-inch CreateBoard interactive display with a 4K UHD IPS panel, multi-touch input of up to 40 points on Windows, and Android 13 built in, so lessons and meetings can run without a separate desk computer. It adds an OPS slot, three HDMI inputs and USB-C with power delivery. Well suited to mid-sized classrooms, training rooms and meeting rooms across Qatar. Request a quote for supply and installation.

What the LG 75TR3DK is

The LG 75TR3DK is a 75-inch interactive digital board from the CreateBoard TR3DK series. It pairs a 4K UHD IPS panel with a multi-touch layer and an Android 13 system, so a teacher or presenter can write, annotate and share from the screen itself rather than from a separate desk computer. It is designed for classrooms, training rooms and meeting spaces where a large touch display replaces a projector and a whiteboard.

Specifications that matter in daily use

The panel runs at 3840x2160 with a 16:9 aspect ratio and a 60Hz refresh rate. Static contrast is rated at 1200:1 and dynamic contrast at 5000:1, with a 25% haze surface treatment that reduces reflections. Brightness is rated at 440 nit maximum without glass and 350 nit typical with the protective glass fitted, so check the room's window light before choosing a location. The main points are:

Touch: up to 40 points on Windows, 32 on Android and 10 in the writing app, with accuracy of ±1 mm.
Connections: three HDMI inputs with HDCP 2.2, one VGA input, USB-C with power delivery and DisplayPort Alt Mode, four USB 3.0 Type-A ports and a LAN port.
Computing: Android 13, quad-core A55 processor, 8GB RAM, 64GB internal storage, Wi-Fi 6 through a slot module, Bluetooth 5.0 and Gigabit LAN.
Expansion: a built-in OPS slot with OPS power, so a compatible OPS computer can sit behind the display.

Where it fits in Qatar

A private school in Al Wakrah equipping a mid-sized classroom can use the 75-inch screen for whole-class lessons, and the multi-touch function lets several students work on the board during group activities. A training provider in West Bay running a corporate workshop can connect a laptop over a single USB-C cable and use the built-in Wi-Fi to bring in participants' screens. A university department in Education City running hybrid seminars can connect a speaker, mouse or keyboard over Bluetooth, while the in-room audience works from the same board.

Planning the installation

The head weighs 47.3 kg and the packed unit 60.6 kg, so plan for at least two people and a lifting plan for every floor. The VESA interface is 800×400 mm and the display measures 1709×1020×88 mm. The bezel is 15 mm on three sides and 44 mm at the bottom. Before wall-mounting, confirm the wall structure and cable routes. The operating range is 0 to 40 °C and 10 to 90% relative humidity, so the board belongs in an air-conditioned room, away from hot windows and unconditioned corridors, since outdoor temperatures in Qatar's summer regularly exceed 45 °C. The package includes a 3-metre power cord, a 3-metre HDMI cable, a 5-metre USB cable, two writing pens, a remote control and a Wi-Fi module. A wall mount (WM-L000S) and a floor stand (ST-000F) are optional.

Managing several boards

For a school or ministry running a fleet, LG ConnectedCare DMS is a cloud service sold separately. It lets IT managers monitor status, schedule power on and off, adjust brightness, lock screens and push alert messages to classroom devices, and it can raise warnings when display temperature, memory usage or signal crosses a threshold. Availability varies by region, so confirm it with the SmartRooms Qatar team while your quotation is prepared. The manufacturer lists support for the TR3DJ, TR3PJ and TR3DK series.

Request a quote from SmartRooms Qatar with your room list, quantity and mounting preference. Supply covers delivery to all eight municipalities of Qatar, professional installation and a free site survey, and quotations are usually sent within one working day. Purchase orders (LPOs) and government tenders, including Monaqasat, are accepted, with payment by bank transfer, cheque or purchase order.

Highlights

75-inch 4K UHD IPS panel at 3840x2160 resolution
Up to 40 touch points on Windows, 32 on Android
Android 13 with 8GB RAM and 64GB internal storage
Built-in OPS slot with OPS power included
Three HDMI inputs and USB-C with power delivery
Optional LG ConnectedCare DMS for remote management, purchased separately

Classroom fit

At 75″ the farthest student should sit within about 5.6 m (6× the screen height).

Estimated timeline

Quotation within 1 working day · delivery timing depends on stock availability, and we confirm it with your quotation.

Specifications

64 specifications · Source: manufacturer · checked Oct 2026

Panel17

Screen Size: 75"
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: 5000:1
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

Connectivity(Jack Interface)2

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)

Mechanical Specification8

Bezel Color: Black
Bezel Width: T/R/L/B : 15/15/15/44mm
Weight(Head): 47.3Kg
Packed Weight: 60.6Kg
Monitor Dimension(W x H x D): 1709×1020×88mm
Carton Dimensions(W x H x D) (Box outer size): 1863×1140×225mm
Handle: Yes
VESA™ Standard Mount Interface: 800×400mm

Key Feature2

HW: Internal Memory (64GB), Built-in Wi-Fi (Slot type), Auto Brightness sensor, Power Indicator
SW: Android 13, 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))

Environment Conditions2

Operation Temperature: 0 ~ 40 °C
Operation Humidity: 10 ~ 90 % RH

Power2

Power Supply: 100-240V~ 50/60Hz 4.0A
Power Type: Built-In Power

Power Consumption5

Typ.: 225
Max.: 430
BTU (British Thermal Unit): 768 BTU/Hr(Typ.), 1467 BTU/Hr(Max)
DPM: ≤0.5W
Power off: ≤0.5W

Sound1

Speaker: Yes (15W x 2)

Certification3

Safety: CB / NRTL
EMC: FCC Class "A" / CE / KC
ErP / Energy Star: Yes / Yes

OPS Compatibility2

OPS Type Compatible: Yes (Slot)
OPS Power Built In: Yes

Software Compatibility2

LG ConnectedCare: Yes
LG ConnectedCare DMS: Yes (DMS)

Language1

OSD: English, Denmark, Finnish, German, Korean, Norwegian, Polski, Portugues(Europe), Portugues(Brazil), Romanian, Spanish, Swedish, Hungarian, Thai

Accessory2

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)

Special Feature8

Touch - Available object size for touch: Ø2 mm ↑ .
Touch - Reponse Time: ≤5ms
Touch - Accuracy: ±1mm
Touch - Interface: USB2.0
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

ANDROID SYSTEM7

SoC: Quad core A55
GPU: Mali G52MP2
Internal Memory - Storage: 64GB
Internal Memory - RAM: 8GB
Wi-Fi: 802.11a/b/g/n/ac/ax (WiFi 6)
LAN: Gigabit LAN
Bluetooth: Bluetooth 5.0

Downloads

7 files from the manufacturer

PDF Datasheets TR3DK-BM(Corporate)_Datasheet(low)_LG CreateBoard_240809_20240820_131342_.pdf 4.0 MB PDF Datasheets TR3DK-BM(Education)_Datasheet(low)_LG CreateBoard_240809_20240820_131355_.pdf 3.9 MB PDF Manuals & guides Android13_ENG.pdf 24.6 MB PDF Manuals & guides MFL71968601_12_260421.pdf 1.2 MB PDF Manuals & guides MFL71968602_05_240111.pdf 1.7 MB PDF Manuals & guides OM_ARA.pdf 2.2 MB PDF Manuals & guides OM_ENG.pdf 2.1 MB

Questions about 75TR3DK

Who is the LG 75TR3DK for, and which rooms suit it best?

It suits organisations that need a large touch display for teaching, training or presentations in a room of moderate size. In Qatar that typically means a classroom at a private school in Al Wakrah, a training room in West Bay, or a meeting room where a 75-inch screen is readable from the back row without filling the wall. For a lecture hall or a large boardroom, a bigger panel is usually the better match. Ask SmartRooms Qatar to check viewing distance against your room layout before you request a quote.

How many touch points does it support, and does this change by operating system?

Yes, the number changes by platform. The 75TR3DK recognises up to 40 touch points in a Windows environment and up to 32 in Android, and the writing app recognises up to 10 points. Touch accuracy is rated at ±1 mm, with a response time of 5 ms or less. Touch works with Windows 7, 8 and 10, Linux, Mac and Android, although Linux and Mac support one-point touch only.

Can it be wall-mounted, and what should we check before installation?

It has a VESA mount interface of 800×400 mm and a handle for lifting. The head weighs 47.3 kg and the packed unit weighs 60.6 kg, so the wall must be assessed for load and the fixing plan agreed before delivery. SmartRooms Qatar offers a free site survey to check wall structure, bezel clearance and cable routes. A wall mount (WM-L000S) and a floor stand (ST-000F) are listed as optional accessories and can be included in your quotation.

Will it cope with the heat in Qatar?

The manufacturer rates operation at 0 to 40 °C and 10 to 90% relative humidity. Outdoor temperatures in Qatar's summer regularly exceed 45 °C, so the board should sit in an air-conditioned room with cooling running during teaching hours, not in a hot corridor, under a sunlit window or in an unconditioned space. If your room conditions are uncertain, confirm them with the SmartRooms Qatar team before you request a quote.

Does it run on Qatar's 240 V mains supply, and how much power does it draw?

The built-in power supply is rated 100 to 240 V at 50/60 Hz with a 4.0 A rating, so it is designed to run on 240 V mains. Typical consumption is 225 W and maximum is 430 W, with 0.5 W or less in standby. A 3-metre power cord is included. Check that a suitable socket is within reach of the mounting position, because the cable length limits where the board can be placed.

Which ports are available for laptops, PCs and video sources?

The connections include three HDMI inputs with HDCP 2.2 support, one VGA input and one USB-C port that supports power delivery and DisplayPort Alt Mode, so a compatible laptop can charge and send video over one cable. There are also four USB 3.0 Type-A ports, one USB 2.0 Type-A port, audio input and optical audio output, an RS232C input and a LAN port. USB-C cables are sold separately.

Can I install an OPS PC inside the board instead of using a separate computer?

Yes. The board has a built-in OPS slot with OPS power included, so a compatible OPS computer module can be fitted at the back of the display rather than running an external desktop beside it. This keeps cabling tidy in classrooms and boardrooms. An OPS module is not part of the basic accessories, so add it to your request if you need one, and confirm it matches the software you run.

How do teachers share their screens wirelessly, and what Wi-Fi standard is supported?

The LG CreateBoard Share app lets up to nine shared screens or a file appear on the board in real time. The 75TR3DK also supports app-less sharing from a PC through a website and from mobile devices on the same network, though the dedicated app gives a more stable connection. Wi-Fi is provided by a slot-type module supporting 802.11a/b/g/n/ac/ax (Wi-Fi 6), and Bluetooth 5.0 connects speakers, keyboards and mice.

Can we manage several boards remotely from one place?

LG ConnectedCare DMS is a cloud solution for monitoring, controlling and managing boards remotely, and it is purchased separately. It lets IT managers schedule power on and off, adjust brightness, lock screens and send urgent alert messages to connected devices. Thresholds can be set across eight categories, including display temperature, memory usage and signal. Availability depends on region, so SmartRooms Qatar will confirm whether the service can be supplied for your deployment as part of the quotation.

Is the on-screen menu available in Arabic?

The manufacturer's on-screen language list for this model includes English, several European languages, Korean and Thai, but Arabic is not listed in the source data. Before buying for a school or office that works mainly in Arabic, ask the SmartRooms Qatar team to confirm the menu language on the exact unit in your quotation. The board's touch and wireless features work regardless of the menu language.

What should a school or ministry plan for when ordering several units?

Send a purchase order (LPO) or tender reference with the quantity, room list and mounting type, and SmartRooms Qatar will prepare a quotation, usually within one working day. Plan a site survey for each room, because the 47.3 kg head weight, the 800×400 mm VESA pattern and power and data routing differ from wall to wall. Delivery covers all eight municipalities of Qatar. Government tenders, including Monaqasat, are supported, and payment can be made by bank transfer, cheque or purchase order.