| PartNumber | LD550DUN-ZMA4 |
| Brand | LG Display |
| Size | 55 |
| Application | Video Wall |
| Resolution | 1920×1080 |
| Composition | LCM , a-Si TFT-LCD |
| Brightness | |
| CR | 1200:1 |
| Colors | 16.7M/1.06B |
| Backlight | WLED , 60K hours , With LED Driver |
| Interface | |
| Manufacturer | LG Display |
| Screen Size | 55 inch |
| Pixel Number | 1920(RGB)×1080 (FHD) 40PPI |
| Active Area(mm) | 1209.6 × 680.4 (H×V) |
| Bezel Area(mm) | 1209.9 × 680.7 (H×V) |
| Luminance | 500 (Typ.)(cd/m²) |
| Viewing Angle | 89/89/89/89 (Min.)(CR≥10) |
| Good View at | Symmetry |
| Color Depth | 16.7M/1.06B 72% NTSC |
| Splicing Seam | 3.8 mm (active to active seam) |
| Refresh Rate | 60Hz |
| Model Name | LD550DUN-ZMA4 |
| Screen Type | LCM , a-Si TFT-LCD |
| Arrangement | RGB Vertical Stripe |
| Outline(mm) | 1213.4 × 684.2 × 57.6 (H×V×D) |
| Treatment | Antiglare (Haze 28%), Hard coating (2H) |
| Contrast Ratio | 1200 : 1 (Typ.) (TM) |
| Work Mode | S-IPS, Normally Black, Transmissive |
| Response | 8 (Typ.)(G to G) ms |
| Used for | Video Wall |
| Touchscreen | Without |
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| LC550EUG-PEF1 | LG Display | 55 | 1920×1080 |
| LD550DUN-TGB1 | LG Display | 55 | 1920×1080 |
| LD550DUN-THA3 | LG Display | 55 | 1920×1080 |
| LD550DUN-THB3 | LG Display | 55 | 1920×1080 |
| LD550DUS-SEB1 | LG Display | 55 | 1920×1080 |
| LD550DUS-SEF1 | LG Display | 55 | 1920×1080 |
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| ST5461D01-1 | CSOT | 55 | 3840×2160 |