LG 50PK640S0LB

The LG 50PK640S0LB is a 50-inch UHD TV Signage display designed for commercial deployments in retail, hospitality, corporate lobbies, and quick-service restaurants. Built around LG's webOS 25 platform, it delivers 4K UHD (3,840 × 2,160) picture quality via a Direct LED backlit LCD panel with HDR10 Pro and HLG support. Rated for 16 hours-a-day, 7-days-a-week operation, it integrates embedded content and group management — removing the need for a separate media player or PC for basic signage workflows. Wi-Fi, Bluetooth, wired LAN, and built-in speakers make it a self-contained signage solution straight out of the box.

Embedded webOS 25 — Standalone Signage Ready

The PK640S0LB runs LG's webOS 25 smart signage platform on an upgraded Quad-core SoC (K25Lp), meaning it can execute signage tasks, run a web browser, and manage content without any external player or PC attached. The upgraded web engine also ensures smooth HTML5 and streaming playback. For installations where simplicity and minimal hardware are priorities — hotel corridors, retail shelves, corporate reception areas — this eliminates cabling complexity, reduces failure points, and cuts hardware costs. The display is effectively its own signage computer the moment it is powered on.

Embedded Content and Group Management

Without purchasing or installing any additional software, users can create playlists, set time schedules, and manage a group of displays directly from the unit — using a remote control, a mouse, or a mobile phone. Group management works through a master-and-group hierarchy, allowing one display to push content to subordinate screens over the local network. This is particularly valuable for small-to-medium deployments such as a chain of retail outlets or an office building where a full-scale CMS licence would be disproportionate. For larger rollouts, the display is also compatible with LG SuperSign CMS (sold separately), giving a clear upgrade path as deployments grow.

4K signage. Embedded CMS. No PC required.

16-7 rated · 30,000-hour backlight life · webOS 25 built-in

16-7 Operation with Automatic Failover

The PK640S0LB is rated for 16 hours per day, 7 days per week — the standard duty cycle for business-hours commercial signage. The backlight is specified for 30,000 hours, translating to approximately five years at the rated duty cycle before significant degradation. The built-in Failover function automatically switches to a backup input source if the primary signal is lost, keeping the screen displaying content rather than going blank. This is a meaningful operational safeguard in retail or hospitality environments where a blank screen during trading hours reflects poorly on the business.

4K UHD with HDR10 Pro and HLG

The native 3,840 × 2,160 panel delivers four times the pixel count of Full HD, making fine text, product photography, and wayfinding maps noticeably sharper at typical viewing distances. HDR10 Pro expands the contrast range dynamically per scene, while HLG (Hybrid Log-Gamma) support makes the display compatible with broadcast-sourced HDR content without conversion. The Direct LED backlight and 5,000:1 static contrast ratio underpin punch and shadow detail in a wide range of ambient lighting conditions. For menu boards, product showcases, or promotional video, the result is content that genuinely attracts attention rather than blending into the background.

Wireless Connectivity and Access Point Mode

The integrated Wi-Fi 5 (802.11ac, 2×2) and Bluetooth module cover both network management and supplementary customer-engagement functions. Beyond standard network access, the PK640S can operate as a Soft AP (wireless access point), letting nearby mobile devices connect through the display itself — useful in pop-up retail or event environments without dedicated Wi-Fi infrastructure. Bluetooth LE and Beacon support enable real-time push notifications, coupons, or promotional messages to nearby smartphones. Miracast-based screen sharing allows a presenter to mirror a laptop or phone wirelessly to the display. Wired LAN (RJ45) remains available for installations where a stable wired backbone is preferred.

LG ConnectedCare Remote Monitoring

The display is compatible with LG ConnectedCare, a cloud-based remote monitoring and management service (purchased separately). ConnectedCare provides fault diagnostics, remote status checks, and control for displays spread across multiple sites — reducing the need for on-site visits for routine checks or minor issues. For businesses with distributed deployments, such as retail chains or hotel groups, this translates directly into lower maintenance overhead and faster response when a display goes offline. The display also supports WOL (Wake-on-LAN), SNMP, and USB self-diagnostics for integration with existing IT monitoring frameworks.

Slim Design for Space-Constrained Installations

At 59.8 mm deep (without stand) and 8.6 kg without stand, the PK640S0LB is slim and light enough for wall-mount installations in tight spaces such as corridor alcoves, reception counters, or between retail fixtures. The slim profile also contributes to a clean, professional appearance when mounted flush to a wall. VESA 200×300 mm compatibility means it works with standard off-the-shelf mounts, keeping installation hardware costs predictable. Portrait (vertical) orientation is supported for applications like directory boards or shelf-edge displays.