Superb Picture Quality with Ultra HD ResolutionWith the resolution that is 4 times higher than FHD, it makes the colors and details of the content more vivid and realistic.
Slim DesignThe PK640S stands out with its slim design. Its compact form not only saves space but also allows for easy installation, making it an ideal choice for a variety of settings.
Convenient webOS PlatformLG webOS 25, upgraded in SoC and web engine, is available on PK640S series for a smooth execution of several tasks. LG webOS smart signage platform enhances user convenience with intuitive GUI.
Versatile Content Management with LG SuperSign CMSLG SuperSign CMS is an integrated, intuitive solution for managing creative and well-organized digital signage content. It helps connect customers to a variety of services while improving the overall user experience.
Content and Group ManagementThe embedded Content and Group Management System lets you easily edit and play content, set playlists, and control signage with a remote control, mouse, or mobile phone—no separate PC or software required. This makes content management straightforward and user-friendly.
Display Power Management SupportDisplay Power Management (DPM) can be set to ‘On’ when a TV signal is detected, allowing for more efficient power management.
Real-Time Monitoring with LG ConnectedCareLG ConnectedCare, an optional cloud service solution, offers easy and fast maintenance by remotely monitoring the status of displays in client workplaces. It supports fault diagnosis and remote control services, helping to ensure stable operation for clients’ businesses.
Technical specifications
Display
| LED backlighting type | Direct-LED |
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| Display diagonal | 109.2 cm (43") |
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| Display technology | LED |
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| Display resolution | 3840 x 2160 pixels |
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| Display brightness | 270 cd/m² |
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| HD type | 4K Ultra HD |
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| Touchscreen | No |
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| Response time | 8 ms |
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| Contrast ratio (typical) | 1200:1 |
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| Contrast ratio (dynamic) | 1000000:1 |
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| High Dynamic Range (HDR) supported | Yes |
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| High Dynamic Range (HDR) technology | High Dynamic Range 10 Pro (HDR10 Pro), Hybrid Log-Gamma (HLG) |
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| Native refresh rate | 60 Hz |
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Ports & interfaces
| USB port | Yes |
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| Ethernet LAN (RJ-45) ports | 1 |
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| Number of antenna connectors | 1 |
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| RS-232C | Yes |
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Audio
| Built-in speaker(s) | Yes |
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| Number of built-in speakers | 2 |
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| RMS rated power | 10 W |
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| Audio output channels | 2.0 channels |
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Design
| Product design | Digital signage flat panel |
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| Placement supported | Indoor |
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| Product colour | Black |
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Performance
| Purpose | Universal |
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| Analog signal format system | ATSC, NTSC, PAL, SECAM |
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| Digital signal format system | DVB-C, DVB-CI, DVB-S2, DVB-T2 |
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| Operating hours (hours/days) | 16/7 |
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| Global-IPTV support | Yes |
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| Web browser | Yes |
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Power
| Power consumption (standby) | 0.5 W |
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| Input voltage | 100 - 240 V |
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| Energy consumption (SDR) per 1000 hours | 54 kWh |
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| Energy consumption (HDR) per 1000 hours | 80 kWh |
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Computer system
| Operating system installed | WebOS |
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| Operating system version | 25 |
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Weight & dimensions
| Display width | 957 mm |
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| Display depth | 58.3 mm |
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| Display height | 559 mm |
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| Display weight | 6.1 kg |
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| Width (with stand) | 957 mm |
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| Depth (with stand) | 237 mm |
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| Height (with stand) | 607 mm |
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| Weight (with stand) | 6.2 kg |
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Network
Technical details
| Compliance certificates | Federal Communications Commission (FCC), UL |
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