| ENERGY STAR Partner |
| Lenovo Group Limited |
Lenovo Group Limited |
| Product Category |
| Displays |
Displays |
| Type |
| Monitor |
Monitor |
| Brand Name |
| Lenovo |
Lenovo |
| Model Name |
| L28u-30 |
T24i-** ( “*” can be A-Z, a-z, 0-9, /, \, hyphen, +, - or blank) |
| Model Number |
| C19280DL0 |
F22238F** ( “*” can be A-Z, a-z, 0-9, /, \, hyphen, +, - or blank) |
| Additional Model Information |
| S28u-10,C19280DS0, |
N/A |
| Date Available On Market |
| August 9, 2019 |
August 22, 2022 |
| Date Certified |
| July 26, 2019 |
July 15, 2022 |
| Markets |
| United States, Switzerland, Taiwan, Japan, Canada |
United States, Switzerland, Taiwan, Japan, Canada |
| CB Model Identifier |
| ES_1037540_C19280DL0_07302019135544_7477230 |
ES_1037540_F22238F**_07142022112423I18_7349927 |
| 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 |
23.8 inches / 60.45 cm |
| Screen Area (square inches) |
| 328.46 inches / 834.29 cm |
242.2 inches / 615.19 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 |
HDMI |
| Power Source |
| Ac to dc internal power supply |
Ac to dc internal power supply |
| On Mode Power (watts) |
| 24 |
11.8 |
| Sleep Mode Power (watts) |
| 0 |
0.22 |
| Off Mode Power (watts) |
| 0 |
0.21 |
| Monitor Total Energy Consumption at 115 Volts (kWh/yr) |
| 75 |
37.43 |
| Maximum Total Energy Consumption Limit for Monitor Certification (kWh/yr) |
| 93 |
45.73 |
| 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 |
Adobe RGB |
| 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 |
N/A |
| Reported Contrast Ratio at +85 Degrees (Right) Horizontal Viewing Angle |
| 112 |
N/A |
| USB-C with Power Delivery Supported |
| No |
No |
| Tiled Display System |
| No |
No |
