Design
Maximum screen size	36.8 cm (14.5")
Suitable for	Laptop
Type	Frameless display privacy filter
Features
Display filter features	Privacy
Aspect ratio	16:10
Brand compatibility	Lenovo
Compatibility	ThinkPad P14s Gen 5

The Lenovo privacy filter with manufacturer number 4Z11S20127 is a frameless privacy filter for laptops, specifically designed for use with the ThinkPad P14s Gen 5. The product serves the privacy protection function by restricting screen visibility to the direct line of sight of the user. This prevents people next to the user from viewing screen content, which is particularly advantageous in public or shared work environments. The filter is designed for screens with a maximum size of 36.8 cm (14.5 inch) and adapts to the aspect ratio 16:10, typical for the ThinkPad P14s Gen 5.

Applications

The privacy filter is primarily designed for professional work environments where sensitive data is displayed on the screen. This includes, for example, offices, call centers, administrative offices, or mobile workstations where the confidentiality of information is a high priority. Its use is ideal for employees who frequently work in public spaces, such as cafés, airports, or conferences, where the risk of unintended data viewing by third parties exists.

Features and equipment in detail

The filter features a frameless construction, enabling seamless integration into the laptop’s design. This ensures the aesthetic appearance of the device is not compromised, and operation remains uncomplicated. The privacy function is achieved through a special optical coating that directs light so it is only visible within a narrow angle—typically about 60 degrees front and back. This ensures that only the user sitting directly in front of the screen can clearly see the content.

Technology explained simply

The technology of the privacy filter is based on a polarizing layer that filters the display light in one direction. This effect is comparable to the functioning of polarized sunglasses, but applied here to the screen. The aspect ratio optimization for 16:10 ensures the filter is precisely matched to the screen dimensions of the ThinkPad P14s Gen 5, without any image cut-off. The maximum screen size of 36.8 cm (14.5 inch) is ensured by the specific shape and size of the filter, so it fits perfectly on the display.

Compatibility and accessories

The privacy filter is brand-compatible with Lenovo and specifically developed for the model ThinkPad P14s Gen 5. It is not intended for other Lenovo models or brands, as the dimensions and aspect ratio are precisely tailored to the P14s Gen 5.

Installation and mounting

Installation is done by simply placing the filter onto the laptop screen. Due to the frameless design and precise fit, no additional mounting or fastening is required. The filter sits securely on the screen by gravity and exact adaptation to the display.

Advantages in operation

Using the privacy filter enhances data security in daily operations without impairing the laptop’s functionality. Usability is high, as no additional settings or software are required. Optical quality remains good within the direct line of sight, while visibility from the sides is significantly reduced. This contributes to compliance with data protection requirements, especially in companies handling sensitive data.