| PartNumber | LTA400HM21 |
| Brand | Samsung |
| Size | 40 |
| Application | LCTV |
| Resolution | 1920(RGB)×1080 , FHD |
| Composition | LCM |
| Brightness | 320 cd/m² (Typ.) |
| CR | 4000:1 |
| Colors | 16.7M |
| Backlight | WLED |
| Interface | LVDS |
| Panel Brand | SAMSUNG |
| Panel Model | LTA400HM21 |
| Panel Type | a-Si TFT-LCD , LCM |
| Panel Size | 40 inch |
| Display Mode | PVA, Normally Black, Transmissive |
| Active Area | 885.6×498.15 mm |
| Outline | 921.7×536.3 mm |
| Surface | Antiglare |
| Contrast Ratio | 4000:1 (Typ.) |
| Display Colors | 16.7M (8-bit), CIE193170% |
| Response Time | 8 (Typ.)(G to G) |
| Viewing Angle | 89/89/89/89 (Typ.)(CR≥10)(L/R/U/D) |
| Frequency | 60Hz |
| Lamp Type | WLEDEmbedded (LED Driver) |
| Signal Interface | LVDS (2 ch, 8-bit), 51 pins |
| Input Voltage | 12.0V (Typ.) |
| LTA400HA07 | Samsung | 40 | 1920×1080 |
| LTA400HF02 | Samsung | 40 | 1920×1080 |
| LTA400HF11 | Samsung | 40 | 1920×1080 |
| LTA400HF23 | Samsung | 40 | 1920×1080 |
| LTA400HH-L02 | Samsung | 40 | 1920×1080 |
| LTA400HL10 | Samsung | 40 | 1920×1080 |
| LTA400HM21-W | Samsung | 40 | 1920×1080 |
| LTA400HT-L07 | Samsung | 40 | 1920×1080 |
| LTA400HT-LH2 | Samsung | 40 | 1920×1080 |
| LTA400WT-L09 | Samsung | 40 | 1366×768 |
| LC320EXE-SDA1 | LG Display | 31.5 | 1366×768 |
| LC420EUF-PGF1 | LG Display | 42 | 1920×1080 |
| LC420EUN-SEF4 | LG Display | 42 | 1920×1080 |
| LC550EUN-SFF1 | LG Display | 55 | 1920×1080 |
| LTF460HF08 | Samsung | 46 | 1920×1080 |
| LTU400HM02 | Samsung | 40 | 1920×1080 |
| T150XG01 V0 | AUO | 15.0 | 1024×768 |
| T320XVN02.0 CELL | AUO | 31.5 | 1366×768 |
| T400HVN01.0 CELL | AUO | 40 | 1920×1080 |
| T550QVN02.0 CELL | AUO | 55 | 3840×2160 |