Patent · US Active

Display device with adjustable viewing angle

US12013623B2 · kind B2 · utility

0Cited by

1References

19Claims

0Family size

Assignee

HARMAN BECKER AUTOMOTIVE SYSTEMS GMBH · DE

Inventors

Peter Brandt · Berghausen, DE
Wieland Oberst · Weierbach-Siedlung, DE

Key dates

Filing date	Nov 6, 2019
Grant date	Jun 18, 2024
Priority date	—
Expiry date	Feb 23, 2040

Classification

Technology area (CPC G)Physics
CPC primaryG02F1/133626
WIPO fieldOptics
WIPO sectorInstruments

Abstract

A display device with adjustable viewing angle is provided, which includes a display unit with a plurality of pixels arranged in a pixel array and emitting light for displaying image information to a user, a plurality of electro-optical lenses with adjustable optical power arranged in a lens array at the display unit, wherein each electro-optical lens is adjustable between a public mode, in which the electro-optical lens is configured to project light from the display unit towards the user within a first viewing angle, and a privacy mode, in which the electro-optical lens is configured to project the light towards the user within a second viewing angle, smaller than the first viewing angle.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.