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US 2026/0204865 A1Published application
Light-emitting device
AssigneeNippon Telegraph and Telephone Corporation
InventorsRyuichi Ota, Xuejun Xu, Tomohiro Inaba, Haruki Sanada, Hajime Okamoto
Life of this patent
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Abstract
A light-emitting element includes comb-shaped electrodes on a surface of a substrate made of a crystal containing a rare earth element as a light-emitting center. The comb-shaped electrodes are formed on a surface of zinc oxide thin films formed on the substrate.
Claims13
1-8. (canceled)
A light-emitting element comprising:
- a solid material containing a rare earth element as a light-emitting center;
- and
- a comb-shaped electrode on a surface of the solid material.
A light-emitting element comprising:
- a solid material containing a rare earth element as a light-emitting center;
- a piezoelectric film over a surface of the solid material;
- a comb-shaped electrode overlapping the piezoelectric film;
- and
- an oscillation resonance mechanism over the surface of the solid material and surrounding the comb-shaped electrode.
2 more elements
Dependencies are inferred from the claim text.