| Display diagonal | 139.7 cm (55") |
| HD type | 4K Ultra HD |
| Display resolution | 3840 x 2160 pixels |
| Display technology | OLED |
| Screen shape | Flat |
| Response time | 0.1 ms |
| Native refresh rate | 100 Hz |
| Display diagonal (metric) | 139 cm |
| Smart TV | Yes |
| Operating system installed | Web OS |
| Operating system version | webOS 23 |
| Apple AirPlay 2 support | Yes |
| Smart modes | Filmmaker, Vivid |
| Sports apps | Sports Alerts |
| RMS rated power | 40 W |
| Audio output channels | 2.0 channels |
| Audio decoders | Dolby Atmos |
| Sound modes | AI Sound Pro |
| Enhanced Audio Return Channel (eARC) | Yes |
| Wi-Fi | Yes |
| Ethernet LAN | Yes |
| Bluetooth | Yes |
| Wi-Fi standards | Wi-Fi 5 (802.11ac) |
| Bluetooth version | 5.0 |
| Web browser | Yes |
| Product colour | Black |
| VESA mounting | Yes |
| Panel mounting interface | 300 x 200 mm |
| High Dynamic Range (HDR) supported | Yes |
| Noise reduction | No |
| USB recording | No |
| High Dynamic Range (HDR) technology | Dolby Vision, High Dynamic Range 10 (HDR10), Hybrid Log-Gamma (HLG) |
| Audio formats supported | AAC, AC3, AC4, EAC3, HE-AAC, MP2, MP3, PCM, WMA |
| Backlight dimming technology | Local Dimming |
| AMD FreeSync | Yes |
| NVIDIA G-SYNC | Yes |
| Game features | Auto Low Latency Mode (ALLM), Game Optimizer, HGiG, Variable Refresh Rate (VRR) |
| 4K Ultra HD upscaling | Yes |
| Multi View | Yes |
| HDMI ports quantity | 4 |
| PC in (D-Sub) | No |
| Ethernet LAN (RJ-45) ports | 1 |
| USB 2.0 ports quantity | 3 |
| Common interface (CI) | Yes |
| Common interface Plus (CI+) | No |
| HDMI version | 2.1 |
| Digital audio optical out | 1 |
| RF ports quantity | 2 |
| Voice control | Yes |
| ECO mode | Yes |
| Energy efficiency class (SDR) | G |
| Energy efficiency class (HDR) | G |
| Energy consumption (SDR) per 1000 hours | 81 kWh |
| Energy consumption (HDR) per 1000 hours | 143 kWh |
| Power consumption (standby) | 0.5 W |
| AC input voltage | 100 - 240 V |
| AC input frequency | 50 - 60 Hz |
| Width (with stand) | 1222 mm |
| Depth (with stand) | 230 mm |
| Height (with stand) | 757 mm |
| Weight (with stand) | 16 kg |
| Width (without stand) | 1222 mm |
| Depth (without stand) | 45.1 mm |
| Height (without stand) | 703 mm |
| Weight (without stand) | 14.1 kg |
| Remote control included | Yes |
| Package width | 1360 mm |
| Package depth | 187 mm |
| Package height | 810 mm |
| Package weight | 21.3 kg |
| Description |
| LG OLED55C31LA. Display diagonal: 139.7 cm (55"), Display resolution: 3840 x 2160 pixels, HD type: 4K Ultra HD, Display technology: OLED, Screen shape: Flat. Smart TV. Response time: 0.1 ms. Wi-Fi, Ethernet LAN. Product colour: Black |
