Samsung shows off new display tech that adds a privacy screen to apps and notifications | TechCrunch

"Its solution is a new display technology for mobile devices that uses two different types of pixels: narrow pixels and wide pixels. This architecture, which Samsung dubbed Black Matrix, will narrow the path of light emitted from each pixel to precisely control the light visible to you when the privacy mode is enabled. When it's turned off, a widened standard pixel works with the narrow pixels to deliver the light in every direction."

"The Privacy Display feature is also customizable, so you can set certain apps or notifications to trigger privacy mode, while others are viewed normally. For instance, you could set your messaging app or banking app to always be displayed in a private mode, but leave it off for other apps where privacy is less of a concern."

"As Samsung pointed out, these traditional privacy films come with trade-offs - like dimmer screens or more difficulties when you're trying to show someone else something on your phone."

Samsung unveiled a new display technology called Black Matrix at its Galaxy S26 event that prevents shoulder surfing through customizable privacy modes. The technology uses narrow and wide pixels to control light emission, allowing users to enable privacy on specific apps like messaging or banking while keeping others visible normally. Unlike traditional privacy films that dim screens and complicate sharing, this solution maintains display quality when privacy is disabled. The feature includes maximum privacy protection settings and notification filtering. The technology will debut on the Galaxy S26 Ultra smartphone, which also features upgraded AI capabilities and a custom chipset.

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