Anti-peep device, anti-peep method thereof, and display device

Abstract

The invention discloses an anti-peep device, an anti-peep method thereof, and a display device; the anti-peep device comprises an upper substrate and a lower substrate arranged oppositely, well as an electrophoretic layer filling spacing between the substrate and the lower substrate; one side of the upper substrate and / or the lower substrate facing the electrophoretic layer is provided with an electrode layer; the electrode layer includes a plurality of first sub-electrodes distributed in the first direction; the electrophoretic layer includes charged particles opposite to the first sub-electrodes in electrical property and used for absorbing light. The anti-peep device provided by the embodiment of the invention controls a gathering position of the charged particles for absorbing light through the first sub-electrodes, forming a side view barrier to achieve anti-peep functionality; the anti-peep method is simple, the raw materials are cheap, the anti-peep effect is significant, the view angle is controllable, and personal privacy is protected perfectly.

Description

technical field [0001] The invention relates to the field of display technology, in particular to an anti-peeping device, its anti-peeping method and a display device. Background technique [0002] Viewing angle is a key indicator of a display, and different applications have different requirements for viewing angles. When the user is in an open environment that requires confidentiality, such as entering a withdrawal password, viewing private information or business negotiations on public transportation, the display needs to have a narrower viewing angle to protect personal privacy. At this time, anti-peeping devices with controllable viewing angles become a necessity. [0003] The anti-spying technology widely used at present is the anti-spying film of 3M Company in the United States. Its structure is realized by the vertical arrangement of ultra-microstructures, and each ultra-micro-structure is at a vertical angle to the display. There are few products on the market tha...

AI Technical Summary

Problems solved by technology

There are few products on the market that can replace 3M anti-peeping film, which makes the price higher and the update of anti-peeping related products is slow

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