This product is no longer available.
One of the successors is LG 75TR3DK IR Touch Display
LG 75TR3DJ IR Touch Display

Item code
75TR3DJ-B.AEUQ
EAN-code
8806091331991
Solutions
Interactive / Touch
Downloads
Click here for the downloads
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Highlighted functionality
Specifications
SMOOTH TOUCH & WRITING EXPERIENCE
Multi Touch
The TR3DJ series can have up to 20 points of touch simultaneously. This function offers a lifelike board touch experience and makes collaboration easier.
SMOOTH TOUCH & WRITING EXPERIENCE
Enhanced Visibility with Low Parallax
With 1mm gap between the screen and tempered glass, which supports low parallax, The TR3DJ series can offer precise touch and excellent writing experience.
SMOOTH TOUCH & WRITING EXPERIENCE
Dual Pen & Dual Color
The dual pens allow for two colors to be used at the time to write or draw.
SMOOTH TOUCH & WRITING EXPERIENCE
Easy Writing Experience
The TR3DJ series allows you to write and annotate on virtually any input source.
EASY CONNECTION & SHARING
Air Class
With Air Class you can connect up to 30 students. It offers interactive meetings for mobile devices on the same network, providing a variety of tools such as voting, answering, and sharing project texts. Air Class is easily installed from the TR3DJ's main toolbar.
EASY CONNECTION & SHARING
Built-in OPS Slot
The TR3DJ series supports Open Pluggable Specification (OPS) slots, allowing you to easily and conveniently mount OPS device to the back of the digital board without the hassle of connecting to an external device.
EASY CONNECTION & SHARING
ScreenShare Pro
ScreenShare Pro enables you to show up to six shared screens in real-time. It also allows users to share via Chromecast or with Apple device mirroring on the same network. This software can be used on IOS, Mac, Windows, Android, Chrome OS.
EASY CONNECTION & SHARING
Bluetooth Connectivity
TR3DJ supports Bluetooth wireless connections to various devices such as speakers, a mouse or a keyboard. This is great for building a hybrid environment so that online and offline meetings and classes can proceed smoothly.
USER FRIENDLY EXPERIENCE
Web Browser
The TR3DJ series supports an embedded web browser, so you can search the web easily and quickly, without connecting to an external tablet or computer.
USER FRIENDLY EXPERIENCE
Toolbar
Easily find the tools that you need on the toolbar. The annotation feature works on virtually all file types, and you can highlight the section you wish to emphasize using the Spotlight function. It also features a countdown and stopwatch that can help you manage class time effectively.
USER FRIENDLY EXPERIENCE
Audio Experience
The TR3DJ series has built-in speakers in both sides of the front bezel which deliver high-quality sound and creates a clear audio experience.
USER FRIENDLY EXPERIENCE
USB Block
USB Block Mode is a security measure that helps prevent data from being copied to unauthorized devices, which is essential for being used in spaces where security is critical.
Multi Touch
The TR3DJ series can have up to 20 points of touch simultaneously. This function offers a lifelike board touch experience and makes collaboration easier.
SMOOTH TOUCH & WRITING EXPERIENCE
Enhanced Visibility with Low Parallax
With 1mm gap between the screen and tempered glass, which supports low parallax, The TR3DJ series can offer precise touch and excellent writing experience.
SMOOTH TOUCH & WRITING EXPERIENCE
Dual Pen & Dual Color
The dual pens allow for two colors to be used at the time to write or draw.
SMOOTH TOUCH & WRITING EXPERIENCE
Easy Writing Experience
The TR3DJ series allows you to write and annotate on virtually any input source.
EASY CONNECTION & SHARING
Air Class
With Air Class you can connect up to 30 students. It offers interactive meetings for mobile devices on the same network, providing a variety of tools such as voting, answering, and sharing project texts. Air Class is easily installed from the TR3DJ's main toolbar.
EASY CONNECTION & SHARING
Built-in OPS Slot
The TR3DJ series supports Open Pluggable Specification (OPS) slots, allowing you to easily and conveniently mount OPS device to the back of the digital board without the hassle of connecting to an external device.
EASY CONNECTION & SHARING
ScreenShare Pro
ScreenShare Pro enables you to show up to six shared screens in real-time. It also allows users to share via Chromecast or with Apple device mirroring on the same network. This software can be used on IOS, Mac, Windows, Android, Chrome OS.
EASY CONNECTION & SHARING
Bluetooth Connectivity
TR3DJ supports Bluetooth wireless connections to various devices such as speakers, a mouse or a keyboard. This is great for building a hybrid environment so that online and offline meetings and classes can proceed smoothly.
USER FRIENDLY EXPERIENCE
Web Browser
The TR3DJ series supports an embedded web browser, so you can search the web easily and quickly, without connecting to an external tablet or computer.
USER FRIENDLY EXPERIENCE
Toolbar
Easily find the tools that you need on the toolbar. The annotation feature works on virtually all file types, and you can highlight the section you wish to emphasize using the Spotlight function. It also features a countdown and stopwatch that can help you manage class time effectively.
USER FRIENDLY EXPERIENCE
Audio Experience
The TR3DJ series has built-in speakers in both sides of the front bezel which deliver high-quality sound and creates a clear audio experience.
USER FRIENDLY EXPERIENCE
USB Block
USB Block Mode is a security measure that helps prevent data from being copied to unauthorized devices, which is essential for being used in spaces where security is critical.
Technical details
Accuracy touch
1.5 mm
Technology
Infrared (IR)
LED backlighting type
Direct-LED
Number of simultaneous touchpoints
20
Orientation
Horizontal
Panel type
IPS
Display
Touch system response time
100 ms
Display diagonal
75 "
Display resolution
3840 x 2160 pixels
Display brightness
330 cd/m²
HD type
4K Ultra HD
Response time
8.0 ms
Contrast ratio (typical)
1200:1
Viewing angle, horizontal
178.00 °
Viewing angle, vertical
178.00 °
Display technology
IPS
Native aspect ratio
16:9
Touchscreen type
Infrared
Touchscreen
Yes
Touch technology
Multi-touch
Audio
Number of built-in speakers
2
Speaker power
12.00 W
Built-in speaker(s)
Yes
RMS rated power
24.0 W
Ports & interfaces
HDMI ports quantity
4
S/PDIF out port
Y
RS-232 ports
1
Ethernet LAN (RJ-45) ports
1
USB port
Y
USB ports quantity
6
USB version
2.0/3.2 Gen 1 (3.1 Gen 1)
PC Audio in
Yes
Number of speaker outputs
1
RS-232C
Yes
Headphone connectivity
3.5 mm
USB 2.0 ports quantity
5
Total number of outputs
4
HDMI ports
4
DVI ports
0
VGA ports
1
RS-232 (C)
Yes
Weight & dimensions
Width
1709.00 mm
Depth
86.00 mm
Height
1020.00 mm
Weight
53000.000 g
Package width
1950 mm
Package depth
285 mm
Package height
1266 mm
Package weight
85000 g
Power
Power consumption (typical)
175.00 W
Power consumption (standby)
0.50 W
AC input voltage
100 - 240 V
AC input frequency
50/60 Hz
Power consumption (max)
280.000 W
Input voltage
100 - 240 V
Operational conditions
Operating temperature (T-T)
0 - 40 °C
Operating relative humidity (H-H)
10 - 80 %
Network
Ethernet LAN
Yes
Certificates
Certification
UL / cUL / CB, FCC Class "A" / CE, ErP
Ergonomics
VESA mounting
Yes
Panel mounting interface
800 x 400 mm
Packaging content
Pen included
Yes
Remote control included
Yes
Cables included
AC,HDMI,USB
Manual
Y
Quick start guide
Yes
Stylus pen
Y
Other features
Wi-Fi
Yes
DVI port
No
Placement supported
Indoor
Microphone connectivity
3.5 mm
Design
Product design
Digital signage flat panel
Product colour
Black
Bezel width (bottom)
45.70 cm
Bezel width (side)
17.70 cm
Bezel width (top)
17.70 cm
Performance
Panel life
30000 h
Operating hours (hours/days)
16/7
Linux operating systems supported
Yes
Storage
Internal storage capacity
16.000 GB
Processor
Built-in processor
Y
Processor architecture
ARM Cortex A73 + ARM Cortex A53
Processor cores
2
Memory
Internal memory
3.000 GB
Software
Operating system installed
Android 8.0
Windows operating systems supported
Windows 10,Windows 7,Windows 8,Windows XP
Mac operating systems supported
Yes
Inputs
VGA (D-Sub) input ports
1
Keyboard
Purpose
Education
Projector
Built-in projector
No
Computer system
Computer system
Y
Computer system type
System on Chip (SoC)
User memory
16.00 GB
HDMI output ports quantity
HDMI input ports quantity
3
Number of stylus pens
2
RGB ports quantity
1.00
Touch response time
60 ms
Positioning accuracy
1.5 mm
Open Pluggable Specification (OPS)
Y