Dell E2225H - Page 9

About your monitor 9
Table 3. Eye Comfort 3.0 Requirements
Eye Comfort 3.0 Requirements and Star Rating Scheme for Monitors
Category Test item
Star Rating Scheme
3-star 4-star 5-star
Eye Care
Low Blue Light
TÜV Hardware LBL Category
III (≤50%) or Software LBL
solution
1
TÜV Hardware LBL Category
II (≤35%) or Category I
(≤20%)
TÜV Hardware LBL Category
II (≤35%) or Category I
(≤20%)
Flicker Free
TÜV Flicker Reduced or TÜV
Flicker Free
TÜV Flicker Reduced or TÜV
Flicker Free
Flicker Free
Ambient Light
Management
Ambient Light Sensor
performance
No sensor No sensor Ambient light sensor
Intelligent CCT control No No Yes
Intelligent Luminance
control
No No Yes
Image quality
Refresh Rate ≥60 Hz ≥75 Hz ≥120 Hz
Luminance uniformity Luminance uniformity ≥ 75%
Color Uniformity Color uniformity u’v’ ≤ 0.02
Freedom of movement
Luminance changes shall decrease less than 50%;
The color shift shall be less than 0.01.
Gamma difference Gamma difference ≤ ±0.2 Gamma difference ≤ ±0.2 Gamma difference ≤ ±0.2
Wide color gamut
2
NTSC
3
Min.72% (CIE 1931) or
sRGB
4
Min.95% (CIE 1931)
sRGB
4
Min.95% (CIE 1931)
DCI-P3
5
Min.95% (CIE 1976)
& sRGB
4
Min.95% (CIE 1931)
or Adobe RGB
6
Min.95%
(CIE 1931) & sRGB
4
Min.95%
(CIE 1931)
Eye Comfort
User Guide
User guide Yes Yes Yes
Remark
1
Software controls the blue light emission by reducing excessive blue light, resulting in a more yellow tone.
2
Color gamut describes the availability of colors in the display. Various standards were developed for specific purposes.
100% corresponds to the full color space as defined in the standard.
3
NTSC stands for National Television Standards Committee, which developed a color space for the television system
that is used in the United States.
4
sRGB is a standard red, green, and blue color space that is in use on monitors, printers, and the World Wide Web.
5
DCI-P3, short for Digital Cinema Initiatives - Protocol 3, is a color space used in digital cinema that encompasses a
wider range of colors than the standard RGB color space.
6
Adobe RGB is a color space created by Adobe Systems that encompasses a broader range of colors than the standard
RGB color model, particularly in the cyans and greens.