ENERGY STAR Partner |
Lenovo Group Limited |
Lenovo Group Limited |
Product Category |
Displays |
Displays |
Type |
Monitor |
Monitor |
Brand Name |
Lenovo |
Lenovo |
Model Name |
L28u-30 |
ThinkVision M14 |
Model Number |
C19280DL0 |
D18140FX0 |
Additional Model Information |
S28u-10,C19280DS0, |
N/A |
Date Available On Market |
August 9, 2019 |
May 20, 2019 |
Date Certified |
July 26, 2019 |
July 26, 2019 |
Markets |
United States, Switzerland, Taiwan, Japan, Canada |
United States, Switzerland, Taiwan, Japan, Canada |
CB Model Identifier |
ES_1037540_C19280DL0_07302019135544_7477230 |
ES_1037540_D18140FX0_07302019135609_9573088 |
Meets ENERGY STAR Most Efficient 2024 Criteria |
No |
Yes |
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 |
14 inches / 35.56 cm |
Screen Area (square inches) |
328.46 inches / 834.29 cm |
83.42 inches / 211.89 cm |
Model Features |
None |
USB-C |
Features Enabled in Default On Mode |
None |
None |
Features Enabled in Default Sleep Mode |
None |
None |
Signal or Data Interfaces |
Display,HDMI |
USB |
Power Source |
Ac to dc internal power supply |
USB |
On Mode Power (watts) |
24 |
3.91 |
Sleep Mode Power (watts) |
0 |
0.24 |
Off Mode Power (watts) |
0 |
0.22 |
Monitor Total Energy Consumption at 115 Volts (kWh/yr) |
75 |
13.35 |
Maximum Total Energy Consumption Limit for Monitor Certification (kWh/yr) |
93 |
22.86 |
Maximum Luminance (candelas per square meter) |
300 |
345 |
Enhanced-Performance Display? |
Yes |
No |
Color Gamut |
0 |
N/A |
Color Spaces Supported |
sRGB,NTSC,Adobe RGB |
None |
High Dynamic Range (HDR) |
N/A |
N/A |
Display Contrast Ratio at 0 deg. Horiz. Viewing Angle |
1,000 |
700 |
Reported Contrast Ratio at -85 Degrees (Left) Horizontal Viewing Angle |
106 |
N/A |
Reported Contrast Ratio at +85 Degrees (Right) Horizontal Viewing Angle |
112 |
N/A |
USB-C with Power Delivery Supported |
No |
Yes |
Tiled Display System |
No |
No |