Invention Grant
- Patent Title: Luminous display device
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Application No.: US16589226Application Date: 2019-10-01
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Publication No.: US11009652B2Publication Date: 2021-05-18
- Inventor: Alexandros Mouskeftaras , Pierpasquale Tortora
- Applicant: The Swatch Group Research and Development Ltd
- Applicant Address: CH Marin
- Assignee: The Swatch Group Research and Development Ltd
- Current Assignee: The Swatch Group Research and Development Ltd
- Current Assignee Address: CH Marin
- Agency: Oblon, McClelland, Maier & Neustadt, L.L.P.
- Priority: EP18199430 20181009
- Main IPC: F21V8/00
- IPC: F21V8/00 ; G04B19/30

Abstract:
A display device for a portable object wherein the portable object includes a dial and at least one movable hand, at least one movable hand includes a light source or is coupled to a light source, the dial includes at least one secondary light waveguide, the light source and the secondary waveguide being arranged such that the light source is coupled to the proximal end of the secondary waveguide when the movable hand moves into a predetermined sector of the dial, and the distal end of the secondary waveguide being coupled to a display element of the dial.
Information query