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About TÜV Rheinland Eye Comfort 3.0
TÜV Rheinland Eye Comfort 3.0 certification program presents a consumer-friendly star rating scheme
to the display industry thereby promoting eye wellness from safety to eye care. Compared to existing
certifications, the 5-star-rating program adds rigorous testing requirements on overall eye care
attributes such as low blue-light, flicker-free, refresh rate, color gamut, color accuracy, and ambient light
sensor performance. It lays out requirement metrics and rates the product performance on five levels,
and the sophisticated technical assessment process provides consumers and buyers with indicators that
are easier to judge.
The eye wellness factors being considered remain constant, however, the standards for the various star
ratings are different. The higher the star rating, the more stringent the standards. The table below lists
the major eye comfort requirements which apply in addition to the basic eye comfort requirements (such
as pixel density, uniformity of luminance and color, and freedom of movement).
For more information around TÜV Eye Comfort certification see:
https://www.tuv.com/world/en/eye-comfort.html
Table 3. Eye Comfort 3.0 Requirements and Star Rating Scheme for Monitors
Star Rating Scheme
Category
Test item
3-star
4-star
5-star
Low Blue Light
TÜV Hardware LBL
Category III (≤50%) or
Software LBL solution¹
TÜV Hardware LBL
Category II (≤35%) or
Category I (≤20%)
TÜV Hardware LBL
Category II (≤35%) or
Category I (≤20%)
Eye Care
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 should be less than 50%;
The color shift should be less than 0.01.
Image quality
Gamma difference
Gamma difference ≤
±0.2
Gamma difference ≤
±0.2
Gamma difference ≤
±0.2
Wide color gamut2
sRGB4 Min.95% (CIE
1931)
NTSC3 Min.72% (CIE
1931) or sRGB4 Min
95% (CIE 1931)
DCI-P35 Min. 95%
(CIE 1976) and sRGB4
Min.95% (CIE 1931) or
Adobe RGB6 Min.95%
(CIE 1931) and sRGB4
Min.95% (CIE 1931)
Eye Comfort User
Guide
User guide
Yes
Yes
Yes
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 TV system
that is used in the United States.
Remark
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 which is used in digital cinema that
encompasses a wider range of colors than the standard RGB color space.
6 Adobe RGB is a color space which is created by Adobe Systems that encompasses a broader range of colors
than the standard RGB color model, particularly in the cyan and green area.
8
About your monitor