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US 2014/0233260 A1Published application
Changing graphics in an apparatus including user interface illumination
AssigneeCore Wireless Licensing S.a.r.l.
InventorsPentti AHLGREN, Pauli Laitinen
Life of this patent
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Abstract
An apparatus includes a light guide. A first light input section receives light in a first direction into said light guide. First direction-dependent outcoupling structures selectively couple out light propagating in said first direction in said light guide. A second light input section receives light in a second direction into said light guide. Said second direction is different than said first direction. Second direction-dependent outcoupling structures selectively couple out light propagating in said second direction in said light guide.
Claims1
An apparatus, comprising:
- a light guide;
- a first light input section configured to receive light in a first direction into said light guide;
- first direction-dependent outcoupling structures configured to selectively couple out light propagating in said first direction in said light guide;
- a second light input section configured to receive light in a second direction into said light guide, said second direction being different than said first direction;
- and
- second direction-dependent outcoupling structures configured to selectively couple out light propagating in said second direction in said light guide.
3 more elements
Dependencies are inferred from the claim text.