| Display diagonal | 195.6 cm (77") |
| HD type | 4K Ultra HD |
| Display resolution | 3840 x 2160 pixels |
| Display technology | OLED |
| Screen shape | Flat |
| Native aspect ratio | 16:9 |
| Motion interpolation technology | OLED Motion |
| Native refresh rate | 100 Hz |
| Display diagonal (metric) | 195 cm |
| Smart TV | Yes |
| Internet TV | Yes |
| Operating system installed | Web OS |
| Operating system version | 23 |
| Apple AirPlay 2 support | Yes |
| Sound mirroring | Yes |
| Smart modes | Cinema, Filmmaker, Game, Sports, Standard, Vivid |
| RMS rated power | 40 W |
| Audio output channels | 2.2 channels |
| Built-in subwoofer | Yes |
| 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 6 (802.11ax) |
| Bluetooth version | 5.0 |
| Browsing | Yes |
| Web browser | Yes |
| HID support | Yes |
| Product colour | Black |
| VESA mounting | Yes |
| Panel mounting interface | 300 x 200 mm |
| Introduction year | 2023 |
| Stand type | Center stand |
| Stand colour | Silver |
| High Dynamic Range (HDR) supported | Yes |
| High Dynamic Range (HDR) technology | Dolby Vision, High Dynamic Range 10 (HDR10), Hybrid Log-Gamma (HLG) |
| Game mode | Yes |
| Audio formats supported | AAC, AC3, AC4, EAC3, HE-AAC, MP2, MP3, PCM, WMA |
| AI Upscale | Yes |
| Picture processing technology | LG AI Picture Pro |
| Image gallery | Yes |
| AMD FreeSync | Yes |
| AMD FreeSync type | FreeSync Premium |
| NVIDIA G-SYNC | Yes |
| Game features | Auto Low Latency Mode (ALLM), Game Optimizer, Variable Refresh Rate (VRR) |
| 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+) | Yes |
| HDMI version | 2.1 |
| Digital audio optical out | 1 |
| RF ports quantity | 3 |
| Consumer Electronics Control (CEC) | SimpLink |
| Voice control | Yes |
| Works with Amazon Alexa | Yes |
| Energy efficiency class (SDR) | F |
| Energy efficiency class (HDR) | G |
| Energy consumption (SDR) per 1000 hours | 126 kWh |
| Energy consumption (HDR) per 1000 hours | 239 kWh |
| Power consumption (standby) | 0.5 W |
| AC input voltage | 100 - 240 V |
| Energy efficiency scale | A to G |
| Width (with stand) | 1711 mm |
| Depth (with stand) | 267 mm |
| Height (with stand) | 1035 mm |
| Weight (with stand) | 27.1 kg |
| Width (without stand) | 1711 mm |
| Depth (without stand) | 47.1 mm |
| Height (without stand) | 982 mm |
| Weight (without stand) | 23.5 kg |
| Stand width | 52 cm |
| Stand depth | 26.7 cm |
| Desktop stand | Yes |
| Smart Remote included | Yes |
| Package width | 1879 mm |
| Package depth | 228 mm |
| Package height | 1130 mm |
| Package weight | 38.5 kg |
| Description |
| LG OLED evo OLED77C31LA. Display diagonal: 195.6 cm (77"), Display resolution: 3840 x 2160 pixels, HD type: 4K Ultra HD, Display technology: OLED, Screen shape: Flat. Smart TV. Motion interpolation technology: OLED Motion, Native aspect ratio: 16:9. Wi-Fi, Ethernet LAN. Product colour: Black |
