JPH0375676U - - Google Patents
Info
- Publication number
- JPH0375676U JPH0375676U JP1989135813U JP13581389U JPH0375676U JP H0375676 U JPH0375676 U JP H0375676U JP 1989135813 U JP1989135813 U JP 1989135813U JP 13581389 U JP13581389 U JP 13581389U JP H0375676 U JPH0375676 U JP H0375676U
- Authority
- JP
- Japan
- Prior art keywords
- light
- photoelectric conversion
- conversion element
- package
- resin
- 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
- 238000001514 detection method Methods 0.000 claims description 6
- 210000001747 pupil Anatomy 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims 5
- 230000003287 optical effect Effects 0.000 claims 5
- 239000011347 resin Substances 0.000 claims 4
- 229920005989 resin Polymers 0.000 claims 4
- 238000003384 imaging method Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 5
- 239000000428 dust Substances 0.000 description 2
Landscapes
- Focusing (AREA)
- Transforming Light Signals Into Electric Signals (AREA)
Description
第１図は本考案に係る固体撮像素子を用いた焦
点検出装置の一実施例の構成を示す図、第２図は
同実施例の焦点検出原理を説明する模式図、第３
図は同実施例の固体撮像素子の出力例を表す図、
第４図は同じく出力例で塵埃の影響を説明する図
、第５図は塵埃の位置による出力への影響を説明
する図、第６図は変形例を示す図である。
１０…焦点検出面、１１…コデンサーレンズ、
１２…分割瞳マスク、１３ａ，１３ｂ，２３ａ，
２３ｂ…セパレータレンズ、１４，２４…固体撮
像素子、１５ａ，１５ｂ，２５ａ，２５ｂ…ライ
ンセンサ。
FIG. 1 is a diagram showing the configuration of an embodiment of a focus detection device using a solid-state image sensor according to the present invention, FIG. 2 is a schematic diagram illustrating the focus detection principle of the embodiment, and FIG.
The figure shows an example of the output of the solid-state image sensor of the same example.
FIG. 4 is a diagram illustrating the influence of dust using an output example, FIG. 5 is a diagram illustrating the influence of the position of dust on output, and FIG. 6 is a diagram illustrating a modified example. 10... Focus detection surface, 11... Codenser lens,
12... Split pupil mask, 13a, 13b, 23a,
23b... Separator lens, 14, 24... Solid-state image sensor, 15a, 15b, 25a, 25b... Line sensor.
Claims (1)
像する光電変換素子を有し、結像した光像を電気
信号に変換して出力し、該出力を焦点検出に利用
する固体撮像素子において、 光透過性の樹脂で前記光電変換素子を封止した
パツケージの光入射表面は樹脂面のままとし、 前記光電変換素子の画素並び方向における前記
焦点検出光学系の射出瞳寸法をｇ、前記射出瞳と
前記受光面との空気換算光路長をｌ、前記光電変
換素子の画素ピツチをｐ、前記パツケージ入射表
面と前記受光面との空気換算光路長をｅとしたと
き、 １５ｐ≦ｅｌ−ｅｇ が満足するように前記光電変換素子の受光面と前
記樹脂パツケージ入射面との距離ｄ＝Ｃｅ（但し
、Ｃはパツケージの樹脂の屈折率）を決定するこ
とを特徴とする固体撮像素子。[Claims for Utility Model Registration] It has a photoelectric conversion element that forms a subject image on a light-receiving surface using a focus detection optical system, converts the formed optical image into an electrical signal and outputs it, and the output is used for focus detection. In a solid-state imaging device used in a solid-state imaging device, the light incident surface of a package in which the photoelectric conversion element is sealed with a light-transmissive resin is left as a resin surface, and the light emission surface of the focus detection optical system in the pixel arrangement direction of the photoelectric conversion element is When the pupil dimension is g, the air-equivalent optical path length between the exit pupil and the light-receiving surface is l, the pixel pitch of the photoelectric conversion element is p, and the air-equivalent optical path length between the package entrance surface and the light-receiving surface is e. , the distance d=Ce between the light-receiving surface of the photoelectric conversion element and the incidence surface of the resin package (where C is the refractive index of the resin of the package) is determined so that 15p≦el-eg is satisfied. Solid-state image sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989135813U JPH0375676U (en) | 1989-11-22 | 1989-11-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989135813U JPH0375676U (en) | 1989-11-22 | 1989-11-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0375676U true JPH0375676U (en) | 1991-07-30 |
Family
ID=31683055
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989135813U Pending JPH0375676U (en) | 1989-11-22 | 1989-11-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0375676U (en) |
-
1989
- 1989-11-22 JP JP1989135813U patent/JPH0375676U/ja active Pending
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