发明名称 |
Optical semiconductor device |
摘要 |
In an optical semiconductor device in which a light emitting element and a light receiving element for monitoring light from the light emitting element are mounted integrally, a spherical lens is provided at a light receiving portion of the light receiving element, the lens having a light receiving area larger than that of said light receiving portion and the spherical surface of the spherical lens is oriented to the light emitting element.
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申请公布号 |
US4954853(A) |
申请公布日期 |
1990.09.04 |
申请号 |
US19880220338 |
申请日期 |
1988.07.14 |
申请人 |
MITSUBISHI DENKI KABUSHIKI KAISHA |
发明人 |
YOSHIDA, KAZUOMI;HIGUCHI, HIDEYO;MIZUOCHI, HITOSHI;YAMAMOTO, YOUSUKE |
分类号 |
H01L31/0232;H01L31/12;H01L33/58;H01L33/62;H01S5/00;H01S5/026 |
主分类号 |
H01L31/0232 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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