China 75inch LCD Display Interactive LCD LED Panel 4K Android Windows Anti-Glare Multi-Media Touch Panel LED Screen Smartboard for Education, Find details and Price about China Interactive LED Whiteboard, Interactive Whiteboard from 75inch LCD Display Interactive LCD LED Panel 4K Android Windows Anti-Glare Multi-Media Touch Panel LED Screen Smartboard for Education
Size | 50" | 55" | 65" | 75" | 85" | |
LED panel | backlight | LED | ||||
Resolution | 1920*1080 | 1920*1080 | 1920*1080 | 1920*1080 | 3840*2160 | |
Viewing angle | 165/165/150/150 (L/R/U/D) | |||||
Color | 16.7 | 16.7 | 16.7 | 16.7 | 66.8 | |
Brightness | 400cd/m2 | 400cd/m2 | 400cd/m2 | 400cd/m2 | 500cd/m2 | |
Contrast | 5000:1 | 5000:1 | 5000:1 | 5000:1 | 5000:1 | |
Respons time | 4ms | 4ms | 4ms | 4ms | 4ms | |
Display area | 1100*620MM | 1210*680MM | 1430*804MM | 1652*931MM | 1875*1055MM | |
Touch screen | Touch technology | infrared touch screen | ||||
Touch point | 6/10 multi-touch | |||||
Anti light interference | The light can be illuminated with various angles and the screen can be used normally | |||||
Writing style | Finger, pen (any opaque object with a diameter of >5MM) | |||||
Touch accuracy | More than 95% of the touch area is + 2mm | |||||
Communication mode | Full speed USB2.0/3.0 | |||||
Surface hardness of writing screen | 7 grade explosion proof of physical tempered Mohs | |||||
Touch life | The service life is more than 80000 hours | |||||
OPS PC | CPU | Intel I3 | ||||
Memory | Standard 4G DDR3 | |||||
Hard disk | 2.5 inch / 7200 turn 500G | |||||
Network card | 100/1000M Gigabit Ethernet card | |||||
Hardware | Video input | Coaxial antenna ports: 1 | ||||
Composite video (CVBS) input port: 2 | ||||||
Computer VGA port: 1 (front) | ||||||
Color difference terminals: 1 | ||||||
HD interface (HDMI): 1 | ||||||
MIC input | ||||||
Touch USB input: | 1 | |||||
Audio input: | Composite video (CVBS) audio input port: 1 | |||||
Computer audio input interface: 1 | ||||||
YPbPr audio port: 1 | ||||||
Headphone audio output: 1 group | ||||||
Special | Television system: | Image standard: PAL | ||||
Sound system: BG, DK, I, MN | ||||||
Decoding: 3D digital comb filter, 3D image motion noise reduction, 3D motion adaptive comb filter, etc. | ||||||
Speaker | front speaker | |||||
Speaker power: 10W*2 | ||||||
Electric | Input voltage: | alternating current: 100-240V 50/60Hz | ||||
Power: | ≤1130V | |||||
Power saving: | <0.5W | |||||
Environmental | relative humidity | ≤80% | ||||
Storage humidity | -10~ +60ºC | |||||
working temperature | 0~ +40ºC |
Lcd display size | 65inch | 75inch | 85inch | 98inch | |
Model No. | QD-IB-IR80-65 | QD-IB-IR80-75 | QD-IB-IR80-85 | QD-IB-IR80-98 | |
Lcd display | Lcd display type | AUO/CHIMEI/TCL CSOT LCD panel | AUO/CHIMEI/TCL CSOT LCD panel | AUO LCD panel | LG LCD panel |
Backlight | D-LED | D-LED | D-LED | D-LED | |
resolution | 3840*2160 | 3840*2160 | 3840*2160 | 3840*2160 | |
Overall brightness | ≥350cdm | ≥350cdm | ≥350cdm | ≥350cdm | |
Contrast ratio | 4000:1 | 6000:1 | 4000:1 | 1200:1 | |
Response time | 5ms | 5ms | 5ms | 6ms | |
Pixel pitch | 0.124×0.372 mm (H×V) | 0.4298 x 0.4298 mm | 0.4875 x 0.4875 mm | 0.5622 mm x 0.5622 mm | |
Refresh rate | 60Hz | 60Hz | 60Hz | 60Hz | |
Viewing angle | 178/178 | 178/178 | 178/178 | 178/178 | |
Color saturation (x% NTSC) | 72% | 72% | 72% | 72% | |
Lcd display area | 1428.48*803.52mm | 1650.24 (H)×928.26 (V)mm | 1872 (H)×1053 (V)mm | 2158.85(H)*1214.35(V)mm | |
Lcd display color | 8 bit/1.07 Billion | 8 bit/1.07 Billion | 8 bit/1.07 Billion | 8 bit/1.07 Billion | |
Screen life | ≥30000h | ≥30000h | ≥30000h | ≥30000h | |
Aspect ratio | 16:9 (H:V) | 16:9 (H:V) | 16:9 (H:V) | 16:9 (H:V) | |
Touch screen | Touch technology | Infrared touch screen | Infrared touch screen | Infrared touch screen | Infrared touch screen |
Glass | 4mm tempered glass (anti-glare optional) | 4mm tempered glass (anti-glare optional) | 4mm tempered glass (anti-glare optional) | 4mm tempered glass (anti-glare optional) | |
Glass hardness | 7Mohs | 7Mohs | 7Mohs | 7Mohs | |
Multi-touch point | 20 points multi-touch | 20 points multi-touch | 20 points multi-touch | 20 points multi-touch | |
Response time | 5ms | 5ms | 5ms | 5ms | |
Touch accuracy | ±2mm | ±2mm | ±2mm | ±2mm | |
Touch diameter | ≥3mm | ≥3mm | ≥3mm | ≥3mm | |
Input | Finger, pen or any opaque object | Finger, pen or any opaque object | Finger, pen or any opaque object | Finger, pen or any opaque object | |
Interface Type | USB 2.0 full speed | USB 2.0 full speed | USB 2.0 full speed | USB 2.0 full speed | |
Operating Voltage | DC+5V±6% | DC+5V±6% | DC+5V±6% | DC+5V±6% | |
Power consumption | ≤2 W | ≤2 W | ≤2 W | ≤2 W | |
OPS (pluggable) | Chip | HM87 | HM87 | HM87 | HM87 |
CPU | Intel core i3-4000M (optional i5, i7) | Intel core i3-4000M (optional i5, i7) | Intel core i3-4000M (optional i5, i7) | Intel core i3-4000M (optional i5, i7) | |
Core and main frequency | 2 cores 4 threads 2.40GHz | 2 cores 4 threads 2.40GHz | 2 cores 4 threads 2.40GHz | 2 cores 4 threads 2.40GHz | |
RAM | 4GB DDR3 (optional 8GB) | 4GB DDR3 (optional 8GB) | 4GB DDR3 (optional 8GB) | 4GB DDR3 (optional 8GB) | |
Harddisk | 128G SSD (optional 256GB) | 128G SSD (optional 256GB) | 128G SSD (optional 256GB) | 128G SSD (optional 256GB) | |
I/o ports | JAE connector (80pin VGA*1 HDMI*1 Rj45 Gigabit *1 USB3.0*2 USB2.0*4 Auio out*1 MIC in *1 Rs232*1 DP*1 | JAE connector (80pin VGA*1 HDMI*1 Rj45 Gigabit *1 USB3.0*2 USB2.0*4 Auio out*1 MIC in *1 Rs232*1 DP*1 | JAE connector (80pin VGA*1 HDMI*1 Rj45 Gigabit *1 USB3.0*2 USB2.0*4 Auio out*1 MIC in *1 Rs232*1 DP*1 | JAE connector (80pin VGA*1 HDMI*1 Rj45 Gigabit *1 USB3.0*2 USB2.0*4 Auio out*1 MIC in *1 Rs232*1 DP*1 | |
System | Windows 10 | Windows 10 | Windows 10 | Windows 10 | |
Android system | System | Android 8.0 | Android 8.0 | Android 8.0 | Android 8.0 |
CPU | CA53*2+CA73*2 | CA53*2+CA73*2 | CA53*2+CA73*2 | CA53*2+CA73*2 | |
CPU working frequency | 1.5 GHz | 1.5 GHz | 1.5 GHz | 1.5 GHz | |
CPU cores | quad core | quad core | quad core | quad core | |
GPU | G51MP2 | G51MP2 | G51MP2 | G51MP2 | |
RAM | 2 GB DDR4 (optional 3GB) | 2 GB DDR4 (optional 3GB) | 2 GB DDR4 (optional 3GB) | 2 GB DDR4 (optional 3GB) | |
Storage | 16 GB Standard (optional 32GB) | 16 GB Standard (optional 32GB) | 16 GB Standard (optional 32GB) | 16 GB Standard (optional 32GB) | |
Chinese Simplified,traditional Chinese ,English,Japanese,Russian,German,French,Polish,Spanish,Portuguese,Arabic,Catalonia,Galician,Vietnamese,Ukrainian,Kazakh,Korean,Thai,Bulgarian | |||||
Power | Voltage | 100 V ~ 240 V/AC, 50/60 Hz | 100 V ~ 240 V/AC, 50/60 Hz | 100 V ~ 240 V/AC, 50/60 Hz | 100 V ~ 240 V/AC, 50/60 Hz |
Maximum power (without OPS) | <=350W | <=350W | <=350W | <=350W | |
OPS power supply | 19V(DC)/5A | 19V(DC)/5A | 19V(DC)/5A | 19V(DC)/5A | |
Standby power consumption | <0.5W | <0.5W | <0.5W | <0.5W | |
Power (AC) input | *1 | *1 | *1 | *1 | |
TV system | TV | ATV (PAL,SECAM) | ATV (PAL,SECAM) | ATV (PAL,SECAM) | ATV (PAL,SECAM) |
DTV (DTMB) | DTV (DTMB) | DTV (DTMB) | DTV (DTMB) | ||
Video decoding | Image motion noise reduction, motion adaptive filtering, etc. | Image motion noise reduction, motion adaptive filtering, etc. | Image motion noise reduction, motion adaptive filtering, etc. | Image motion noise reduction, motion adaptive filtering, etc. | |
Channel storage | 200 | 200 | 200 | 200 | |
Stereo surround sound | yes | yes | yes | yes | |
Audio | Speaker | 10W * 2 | 10W * 2 | 10W * 2 | 10W * 2 |
Ports (on the machine, excluded OPS ports) | LAN input | *2 | *2 | *2 | *2 |
VGA input | *1 | *1 | *1 | *1 | |
PC-AUODIO input | *1 | *1 | *1 | *1 | |
YPBPR | *1 | *1 | *1 | *1 | |
AV in | *1 | *1 | *1 | *1 | |
AV out | *1 | *1 | *1 | *1 | |
Earphone out | *1 | *1 | *1 | *1 | |
RF-IN | *1 | *1 | *1 | *1 | |
SPDIF | *1 | *1 | *1 | *1 | |
HDMI input | *2 | *2 | *2 | *2 | |
Touch | *1 | *1 | *1 | *1 | |
RS-232 | *1 | *1 | *1 | *1 | |
USB2.0 | *2 | *2 | *2 | *2 | |
HDMI out | *1(Optional) | *1(Optional) | *1(Optional) | *1(Optional) | |
Environment | Operating temperature | 0ºC ~ 40ºC | 0ºC ~ 40ºC | 0ºC ~ 40ºC | 0ºC ~ 40ºC |
stored temperature | -10ºC ~ 60ºC | -10ºC ~ 60ºC | -10ºC ~ 60ºC | -10ºC ~ 60ºC | |
software | Smart white board software for education | Smart white board software for education | Smart white board software for education | Smart white board software for education | Smart white board software for education |
Share screen | Share screen | Share screen | Share screen | Share screen | |
Interactive presenter | Interactive presenter | Interactive presenter | Interactive presenter | Interactive presenter | |
Conference meeting software | Conference meeting software | Conference meeting software | Conference meeting software | Conference meeting software | |
Online interactive class | Online interactive class | Online interactive class | Online interactive class | Online interactive class |