JPH0399448U - - Google Patents
Info
- Publication number
- JPH0399448U JPH0399448U JP829090U JP829090U JPH0399448U JP H0399448 U JPH0399448 U JP H0399448U JP 829090 U JP829090 U JP 829090U JP 829090 U JP829090 U JP 829090U JP H0399448 U JPH0399448 U JP H0399448U
- Authority
- JP
- Japan
- Prior art keywords
- light
- receiving element
- receiving device
- light receiving
- receiving
- 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.)
- Pending
Links
- 239000011347 resin Substances 0.000 claims description 2
- 229920005989 resin Polymers 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 2
Description
第１図ａは本考案の一実施例を示す受光装置の
正面図、同図ｂは同図ａのＡ−Ａ断面図、同図ｃ
は同図ａのＢ−Ｂ断面図、同図ｄは同じくその側
面図、第２図は大きな入射角をもつて集光レンズ
に入射した光の光路を示す図、第３図は入射角度
による相対出力の変化を示す図、第４図ａは従来
の受光装置のフラツトタイプパツケージの正面図
、同図ｂは同図ａのＣ−Ｃ断面図、同図ｃは同じ
くその側面図、第５図ａは従来の受光装置のレン
ズ付きタイプパツケージの正面図、同図ｂは同図
ａのＤ−Ｄ断面図、同図ｃは同じくその側面図、
第６図は従来のフラツトタイプパツケージの受光
装置における入射光の角度による相対出力を示す
図、第７図は従来のレンズ付きタイプパツケージ
の受光装置における入射光の角度による相対出力
を示す図である。
１……リード端子、２……受光素子、２ａ……
受光面、３……透光性樹脂、４……集光レンズ、
５……凹部、６……底面、７……側面。
Figure 1a is a front view of a light receiving device showing an embodiment of the present invention, Figure 1b is a sectional view taken along line A-A in Figure 1a, Figure 1c is
is a sectional view taken along line B-B in figure a, figure d is a side view thereof, figure 2 is a diagram showing the optical path of light incident on the condenser lens at a large angle of incidence, and figure 3 is a diagram showing the optical path of light incident on the condenser lens at a large angle of incidence. 4A is a front view of a flat type package of a conventional light receiving device, FIG. 4B is a sectional view taken along line C-C in FIG. 4A, and FIG. Figure 5a is a front view of a conventional lens-equipped type package of a light receiving device, figure b is a sectional view taken along line DD in figure a, and figure c is a side view thereof.
Figure 6 is a diagram showing the relative output according to the angle of incident light in a conventional flat type package light receiving device, and Figure 7 is a diagram showing the relative output according to the angle of incident light in a conventional lens-equipped type package light receiving device. be. 1... Lead terminal, 2... Light receiving element, 2a...
Light-receiving surface, 3... Translucent resin, 4... Condensing lens,
5... recess, 6... bottom, 7... side.
Claims (1)
光素子の前面に凸状の集光レンズが設けられた受
光装置において、前記集光レンズの外周面中央部
に凹部が形成され、該凹部の底面は、前記受光素
子の受光面と平行に配され、凹部の側面は、入射
角の大きい入射光を反射させて前記受光素子に導
くよう受光素子の受光面に対して一定角度をもつ
て傾斜して配されたことを特徴とする受光装置。 In a light receiving device in which a light receiving element is sealed with a light-transmitting resin and a convex condensing lens is provided on the front surface of the light receiving element, a concave portion is formed in the center of the outer peripheral surface of the condensing lens, and The bottom surface is arranged parallel to the light-receiving surface of the light-receiving element, and the side surfaces of the recess are inclined at a certain angle with respect to the light-receiving surface of the light-receiving element so as to reflect incident light having a large incident angle and guide it to the light-receiving element. A light receiving device characterized in that the light receiving device is arranged as follows.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP829090U JPH0399448U (en) | 1990-01-30 | 1990-01-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP829090U JPH0399448U (en) | 1990-01-30 | 1990-01-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0399448U true JPH0399448U (en) | 1991-10-17 |
Family
ID=31740587
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP829090U Pending JPH0399448U (en) | 1990-01-30 | 1990-01-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0399448U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015004666A (en) * | 2013-05-21 | 2015-01-08 | オムロンオートモーティブエレクトロニクス株式会社 | Light detection device |
-
1990
- 1990-01-30 JP JP829090U patent/JPH0399448U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015004666A (en) * | 2013-05-21 | 2015-01-08 | オムロンオートモーティブエレクトロニクス株式会社 | Light detection device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH0399448U (en) | ||
| JPH0381582U (en) | ||
| JPS6320464U (en) | ||
| JPS6357617U (en) | ||
| JPH0333389U (en) | ||
| JPS6176401U (en) | ||
| JPS646053U (en) | ||
| JPH06838Y2 (en) | Optical coupling element | |
| JPS6413163U (en) | ||
| JPS61197526U (en) | ||
| JPS63140649U (en) | ||
| JPH03112953U (en) | ||
| JPS6345516U (en) | ||
| JPH0438068U (en) | ||
| JPS58178107U (en) | light condensing device | |
| JPH0312454U (en) | ||
| JPH0432547U (en) | ||
| JPH0375553U (en) | ||
| JPH02104654U (en) | ||
| JPH01171052U (en) | ||
| JPS6438577U (en) | ||
| JPH03128953U (en) | ||
| JPS6397957U (en) | ||
| JPH03113856U (en) | ||
| JPS61119361U (en) |