Back to results
US 2012/0268385 A1Published application
Uv-illuminated symbols for a user device
AssigneeSony Ericsson Mobile Communications AB
InventorsLinus Frantzich, Alexander Hunt
Life of this patent
Estimating the term…
Abstract
A user device comprising a keypad or a keyboard comprising one or more buttons; one or more light guides; one or more ultraviolet light emitting elements; and at least one of one or more fluorescently painted symbols or one or more fluorescent three-dimensional symbols, wherein the one or more ultraviolet light emitting elements are configured to expose ultraviolet light to the at least one of the one or more fluorescently painted symbols or the one or more fluorescent three-dimensional symbols via the one or more light guides.
Claims20
A user device comprising:
- a keypad or a keyboard comprising one or more buttons;
- one or more light guides;
- one or more ultraviolet light emitting elements;
- and
- one or more fluorescently painted symbols, wherein each fluorescently painted symbol comprises a fluorescent paint that is visible to a user when exposed to visible light and is capable of emitting visible light when exposed to ultraviolet light, wherein the one or more ultraviolet light emitting elements are configured to expose ultraviolet light to the one or more fluorescently painted symbols via the one or more light guides.
2 more elements
A user device comprising:
- a keypad or a keyboard comprising one or more buttons;
- one or more light guides;
- one or more ultraviolet light emitting elements;
- and
- one or more fluorescent three-dimensional symbols, wherein each fluorescent three-dimensional symbol that is capable of emitting visible light when exposed to ultraviolet light, and wherein the one or more ultraviolet light emitting elements are configured to expose ultraviolet light to the one or more fluorescent three-dimensional symbols via the one or more light guides.
2 more elements
Dependencies are inferred from the claim text.