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Eye Comfort 3.0 Requirements and Star Rating Scheme for Monitors
Category
Test item
Star Rating Scheme
3-star
4-star
5-star
TÜV Hardware LBL
Category II (≤35%)
or Category I (≤20%)
TÜV Hardware LBL
Category II (≤35%)
or Category I
(≤20%)
Eye Care
Low Blue Light
TÜV Hardware LBL
Category III (≤50%)
or Software LBL
solution1
Flicker Free
TÜV Flicker Reduced
or TÜV Flicker Free
TÜV Flicker Reduced
or TÜV Flicker Free
Flicker Free
Ambient Light Sensor
performance
No sensor
No sensor
Ambient light
sensor
Intelligent CCT
control
No
No
Yes
Ambient Light
Management
Intelligent Luminance
control
No
No
Yes
Refresh Rate
>60 Hz
>75 Hz
>120 Hz
Luminance uniformity
Luminance uniformity ≥ 75%
Color Uniformity
Color uniformity Δu’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
Image quality
sRGB4 Min.95% (CIE
1931)
Wide color gamut2
NTSC3 Min.72% (CIE
1931) or
sRGB4 Min.95% (CIE
1931)
DCI-P35 Min.95%
(CIE 1976) &
sRGB4 Min.95%
(CIE 1931) or
Adobe RGB6
Min.95% (CIE 1931)
& sRGB4 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.
12 │ About your monitor