JP3987844B2 - 発光素子 - Google Patents
発光素子 Download PDFInfo
- Publication number
- JP3987844B2 JP3987844B2 JP2004228173A JP2004228173A JP3987844B2 JP 3987844 B2 JP3987844 B2 JP 3987844B2 JP 2004228173 A JP2004228173 A JP 2004228173A JP 2004228173 A JP2004228173 A JP 2004228173A JP 3987844 B2 JP3987844 B2 JP 3987844B2
- Authority
- JP
- Japan
- Prior art keywords
- light emitting
- light
- emitting diode
- emitting element
- measurement
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Measurement Of Optical Distance (AREA)
- Led Device Packages (AREA)
Description
駆動電源Aに接続すれば、これらのオンオフ操作により、各発光ダイオード2,3,4を個別あるいは同時に点灯することができる。
2,2a 赤外発光ダイオード
3,3a 赤色発光ダイオード
4,4a 青色発光ダイオード
5 光ファイバ
5a 入光端
Claims (1)
- 1つのパッケージ内に、発光波長が異なる複数の発光ダイオードを有し、前記発光ダイオードの各発光面が同一方向を指向するとともに光ファイバーの入光端に対向し、かつ、色収差による焦点距離の違いを補正するように、前記入光端から青色発光ダイオード、赤色発光ダイオード、赤外発光ダイオードの順に積層配置したことを特徴とする光波距離計用の発光素子。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004228173A JP3987844B2 (ja) | 2004-08-04 | 2004-08-04 | 発光素子 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004228173A JP3987844B2 (ja) | 2004-08-04 | 2004-08-04 | 発光素子 |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP19656095A Division JP3672628B2 (ja) | 1995-08-01 | 1995-08-01 | 発光素子及び光ファイバ |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005017304A JP2005017304A (ja) | 2005-01-20 |
JP3987844B2 true JP3987844B2 (ja) | 2007-10-10 |
Family
ID=34191688
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004228173A Expired - Fee Related JP3987844B2 (ja) | 2004-08-04 | 2004-08-04 | 発光素子 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP3987844B2 (ja) |
-
2004
- 2004-08-04 JP JP2004228173A patent/JP3987844B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP2005017304A (ja) | 2005-01-20 |
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