LG OLED77C45LA
- TVs
- 77″
- 4K
- OLED
- 120 Hz
Uses about as much energy as the average for 77-inch TVs on Wattabill (227 models).
Running cost at a glance
- €53.27 per year
- €533 over 10 years
- 184 kWh per year
- 39 kg CO₂e per year from electricity use
Your country and usage
- Electricity at €0.2896 per kWh (household price with taxes, Eurostat 2025-S2).
- 210 g CO₂e per kWh generated in 2023 (European Environment Agency). Counts use only, not manufacturing.
We assume prices stay the same over the years.
Electricity prices in all EU countries
Same size and resolution, cheaper to run
Models on the market with the same screen size and resolution as the LG OLED77C45LA that use at least 5% less energy.
About this model
Text from the manufacturer, via Icecat.
- Clearer sound and picture with refinements by the alpha 9 AI Processor 4K Gen7
- Brighter visuals by Brightness Booster
- Ultra Slim Design with incredibly narrow bezels
- Incredible movies and gaming enhanced by Dolby Atmos and Dolby Vision, VRR, G-Sync, and Freesync
A masterpiece perfected by time-honed expertise
Years of commitment to innovation can't be imitated overnight. The world-leading OLED's uniquely tailored alpha chipset elevates the viewing experience to new heights.
Only α makes OLED as vivid as this
The alpha 9 AI Processor Gen7 chip redefines OLED with refinements that add transformative yet lifelike detail.
Read more
A picture tailored to your taste
Select your favourite images, and AI Picture Wizard creates a picture tailored exactly to your unique taste from 85 million possibilities, then saves it to your profile.
Intelligence that's bright in any light
Come day or night, Brightness Control detects the light in your space and balances the picture accordingly for crisp and clear visuals.
Illuminating a brighter picture
Brightness Booster's improved Light Boosting Algorithm lights up the picture with even more clarity.
Endless contrast creates infinite impact
Scenes burst boldly into life where the darkest shadows and brightest lights intertwine.
Scenes shine with lifelike colours
100% colour volume boosts rich hues, while 100% colour fidelity preserves shades without distortion.
Designed to amplify sight and sound
The Synergy Bracket holds your LG Soundbar in the sweet spot for optimal audio and aesthetics.
Make your TV experience yours
Experience TV that's made for you with My Profile, AI Picture Wizard, AI Concierge, and Quick Cards.
Dolby Vision & FILMMAKER Mode
Authentic movie scenes burst into life
Transform movie night. Dolby Vision's ultra-vivid picture comes together with the support of FILMMAKER MODE™ to preserve the director's intention, optimising the picture quality while ensuring no distortion or over-processing.
Enticing soundscapes surround you
Hear action surround you with Dolby Atmos's unparalleled clarity, intricate detail, and spatial depth.
Where fast action never stutters
Obliterate tears and lags with AMD FreeSync Premium, G-Sync compatibility, 144Hz Mode, and VRR built in.
Controls right where you need them
Don't pause to use Game Optimizer and Game Dashboard.
Specifications
| Brand | LG |
|---|---|
| Model | OLED77C45LA |
| Energy class | F |
| Screen size | 77″ (194.7 cm) |
| Power in on mode (SDR) | 126 W |
| Energy class (HDR) | G |
| Power in on mode (HDR) | 274 W |
| Standby | 0.5 W |
| Networked standby | 2 W |
| Resolution | 3840 × 2160 |
| Aspect ratio | 16:9 |
| Panel | OLED |
| Refresh rate | 120 Hz |
| Power supply | Internal |
| Guaranteed support | 8 years |
| Software updates | 8 years |
| Spare parts available | 8 years |
| On the market since | February 16, 2024 |
| EPREL registration number | 1865063 |
Source: EPREL, European Commission. Data updated October 13, 2026.
Product description and images: Icecat (Open Icecat), provided as is, without warranty.