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US 9,070,817 B2Granted
Photocoupler and semiconductor light emitting element
AssigneeKabushiki Kaisha Toshiba
InventorsKenji Fujimoto, Masanobu Iwamoto
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Abstract
A photocoupler includes: a light emitting element; a light receiving element; and a bonding layer. The light emitting element includes a semiconductor stacked body, and a first and a second electrode. The semiconductor stacked body includes a light emitting layer. The light receiving element includes a first and a second electrode on a side of a light receiving surface. The bonding layer bonds the light emitting element and the light receiving surface, and has transparency and insulating property.
Claims9
A photocoupler comprising:
- a light receiving element including a first and a second electrode and a light receiving region;
- a light emitting element provided on the light receiving element, the light emitting element including a semiconductor stacked body, and a first and second electrode;
- and
- a bonding layer provided between the light receiving element and the light emitting element, the bonding layer bonding the light emitting element and the light receiving region of the light receiving element and having transparency and insulating property,
- a size of the light receiving region being smaller than or equal to a size of the light emitting layer in a plan view.
2 more elements
Dependencies are inferred from the claim text.