Radiant energy – Photocells; circuits and apparatus – Photocell controls its own optical systems
Reexamination Certificate
2007-03-15
2008-11-04
Pyo, Kevin (Department: 2878)
Radiant energy
Photocells; circuits and apparatus
Photocell controls its own optical systems
C257S080000, C257S081000, C372S096000
Reexamination Certificate
active
07446293
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:in-line-formulae description="In-line Formulae" end="lead"?d=mλ/2in-line-formulae description="In-line Formulae" end="tail"?where λ is a design wavelength of the light-emitting element part, and m is a natural number greater than or equal to one.
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Liu et al., “Chip-scale Integration of VDSEL, Photodetector, and Microlens Arrays,”The International Society for Optical Engineering SPIE-INT, vol. 4652, pp. 11-18, 2002.
Oliff & Berridg,e PLC
Pyo Kevin
Seiko Epson Corporation
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