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4. Technical Specifications
4. Technical Specifications
227E4QSD, 227E4QHAD, 227E4QHSD:
Picture/Display
Monitor Panel Type
IPS LCD
Backlight
LED
Panel Size
21.5" W (54.6cm)
Aspect Ratio
16:9
Pixel Pitch
0.248 x 0.248 mm
Brightness
250 cd/m²
SmartContrast
20,000,000:1
Contrast Ratio (typ.)
1000:1
Response Time (typ.)
14ms
SmartResponse (available for
selected models)
7ms
Optimum Resolution
1920x1080@60Hz
Viewing Angle
178° (H) / 178° (V) @ C/R > 10
Picture Enhancement
SmartImage Lite
Display Colors
16.7M
Vertical Refresh Rate
56Hz - 76Hz
Horizontal Frequency
30kHz - 83kHz
sRGB
YES
Connectivity
Signal Input
227E4QSD: VGA(Analog), DVI(Digital)
227E4QHAD, 227E4QHSD: VGA(Analog), HDMI(Digital)
Audio In/Out
227E4QHAD : PC audio-in, Earphone out
227E4QHSD : HDMI audio out
Input Signal
Separate Sync, Sync on Green
227E4LSB, 227E4LHAB, 227E4LHSB:
Picture/Display
Monitor Panel Type
TFT LCD
Backlight
LED
Panel Size
21.5" W (54.6cm)
Aspect Ratio
16:9
Pixel Pitch
0.248 x 0.248 mm
Brightness
250 cd/m²
SmartContrast
20,000,000:1
Contrast Ratio (typ.)
1000:1
Response Time (typ.)
5ms
SmartResponse (available for
selected models)
2ms
Optimum Resolution
1920x1080@60Hz