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US 2007/0164195 A1Published application
Electro-optical element and method for manufacturing thereof, optical module and method for driving thereof
AssigneeSeiko Epson Corporation
InventorTsuyoshi Kaneko
Life of this patent
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Abstract
An electro-optical element is provided including a light-emitting element part and a light-receiving element part, wherein an optical thickness d of the light-receiving element part satisfies the following condition: d=mλ/2 where λ is a design wavelength of the light-emitting element part, and m is a natural number greater than or equal to one.
Claims14
An electro-optical element, comprising:
- a light-emitting element part;
- and
- a light-receiving element part;
- wherein:
- an optical thickness d of the light-receiving element part satisfies the following condition (1):
- d=mλ/2 (1)
- where:
- λ is a design wavelength of the light-emitting element part, and
- m is a natural number greater than or equal to one.
6 more elements
An electro-optical element, comprising:
- a light-emitting element part;
- and
- a light-receiving element part having a first contact layer, a light absorption layer provided on the first contact layer, and a second contact layer provided on the light absorption layer;
- wherein:
- a sum d of an optical thickness of the first contact layer, an optical thickness of the light absorption layer, and an optical thickness of the second contact layer satisfies the following condition (1):
- d=mλ/2 (1)
- where:
- λ is a design wavelength of the light-emitting element part, and
- m is a natural number greater than or equal to one.
6 more elements
Dependencies are inferred from the claim text.