Koninklijke Philips Corporation N.v.

Constantin Alexandru Opran

Peter Tjin Sjoe Kong Tsang

Stuart Ronald Pill

Daniel Karl Pezzutti

Cornelis Petrus Joseph Bink

A user interface device including a non-flexible part; at least one flexible part coupled to the non-flexible part; and at least one sensor, for detecting bending of a respective flexible part with respect to the non-flexible part, and for producing a command in response to sensing bending of the respective flexible part.

User interface device and method

The invention provides a lighting device comprising a housing. The housing comprises visible-light sources () arranged to generate visible light (), UV-lightsources () arranged to generate UV-light (), a light exit window () positioned to allow transmission of the visible light (), a photochromic layer () positioned upstream of the light exit window () and downstream of the visible light sources (), the photochromic layer () comprising at least one area with UV-photochromic material (), the UV-photochromic material () having a first color state and a second color state, and a control unit () connected to the UV-light sources () for controlling the UV-light sources (), wherein the UV-light sources are arranged to illuminate the photochromic layer (). The invention makes it possible to obtain dynamic light effects.

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Eindhoven, Netherlands

Constantin Alexandru Opran