ENERGY STAR Partner |
Lenovo Group Limited |
Lenovo Group Limited |
Product Category |
Displays |
Displays |
Type |
Monitor |
Monitor |
Brand Name |
Lenovo |
Lenovo |
Model Name |
L28u-30 |
T23i-30 |
Model Number |
C19280DL0 |
D22230FT0 |
Additional Model Information |
S28u-10,C19280DS0, |
N/A |
Date Available On Market |
August 9, 2019 |
June 24, 2022 |
Date Certified |
July 26, 2019 |
May 26, 2022 |
Markets |
United States, Switzerland, Taiwan, Japan, Canada |
United States, Switzerland, Taiwan, Japan, Canada |
CB Model Identifier |
ES_1037540_C19280DL0_07302019135544_7477230 |
ES_1037540_D22230FT0_06032022123210_3189797 |
Meets ENERGY STAR Most Efficient 2024 Criteria |
No |
No |
Product Type |
Monitor |
Monitor |
Panel Type |
IPS LCD |
IPS LCD |
Native Resolution (pixels) |
3840 x 2160 |
1920 x 1080 |
Total Native Resolution (megapixels) |
8 |
2.1 |
Screen Size |
27.9 inches / 70.87 cm |
23 inches / 58.42 cm |
Screen Area (square inches) |
328.46 inches / 834.29 cm |
259.35 inches / 658.75 cm |
Model Features |
None |
None |
Features Enabled in Default On Mode |
None |
None |
Features Enabled in Default Sleep Mode |
None |
None |
Signal or Data Interfaces |
Display,HDMI |
VGA,Display,HDMI |
Power Source |
Ac to dc internal power supply |
Ac to dc internal power supply |
On Mode Power (watts) |
24 |
11.88 |
Sleep Mode Power (watts) |
0 |
0.11 |
Off Mode Power (watts) |
0 |
0.07 |
Monitor Total Energy Consumption at 115 Volts (kWh/yr) |
75 |
37.05 |
Maximum Total Energy Consumption Limit for Monitor Certification (kWh/yr) |
93 |
44.26 |
Maximum Luminance (candelas per square meter) |
300 |
250 |
Enhanced-Performance Display? |
Yes |
No |
Color Gamut |
0 |
37.0 |
Color Spaces Supported |
sRGB,NTSC,Adobe RGB |
sRGB |
High Dynamic Range (HDR) |
N/A |
N/A |
Display Contrast Ratio at 0 deg. Horiz. Viewing Angle |
1,000 |
1000 |
Reported Contrast Ratio at -85 Degrees (Left) Horizontal Viewing Angle |
106 |
1 |
Reported Contrast Ratio at +85 Degrees (Right) Horizontal Viewing Angle |
112 |
1 |
USB-C with Power Delivery Supported |
No |
No |
Tiled Display System |
No |
No |