JPH01140141U - - Google Patents
Info
- Publication number
- JPH01140141U JPH01140141U JP3555188U JP3555188U JPH01140141U JP H01140141 U JPH01140141 U JP H01140141U JP 3555188 U JP3555188 U JP 3555188U JP 3555188 U JP3555188 U JP 3555188U JP H01140141 U JPH01140141 U JP H01140141U
- Authority
- JP
- Japan
- Prior art keywords
- light
- photoelectric conversion
- surface side
- receiving surface
- receiving device
- 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
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Landscapes
- Spectrometry And Color Measurement (AREA)
Description
第１図は本考案の一実施例であるカラーライン
センサを示し、同図ａはカラーラインセンサの要
部を示す上面図、同図ｂは同図ａをＸ―Ｘ′で切
つた要部断面図、第２図ａ及び第２図ｂはそれぞ
れ従来装置を示す要部断面図、第３図は従来装置
の分光感度特性を示し、同図ａは高感度領域の受
光面側にＮＤフイルタを設けない場合の特性図、
同図ｂは高感度領域の受光面側にＮＤフイルタを
設けた場合の特性図である。
１……基板、３……光電変換領域、５……赤色
フイルタ、６……緑色フイルタ。
Fig. 1 shows a color line sensor that is an embodiment of the present invention, Fig. 1a is a top view showing the main parts of the color line sensor, and Fig. 1b is the main part taken along line X-X' in Fig. 1a. 2a and 2b are cross-sectional views of the main parts of the conventional device, and FIG. 3 shows the spectral sensitivity characteristics of the conventional device, and figure a shows an ND filter on the light-receiving surface side of the high-sensitivity region. Characteristic diagram when not provided,
Figure b is a characteristic diagram when an ND filter is provided on the light-receiving surface side of the high-sensitivity region. 1...Substrate, 3...Photoelectric conversion region, 5...Red filter, 6...Green filter.
Claims (1)
光装置と、該受光装置の各光電変換領域の受光面
側に設けられた、それぞれ特定波長の光を選択的
に透過せしめる色フイルタと、上記光電変換領域
のうち少なくとも１つの光電変換領域の受光面側
に設けられた遮光領域と、を備え、該遮光領域は
上記光電変換領域の受光面側に離散的且つ均一に
分布していることを特徴とした色センサ。 (2) 上記遮光領域は、透過する光の波長が互い
に異なる色フイルタを重ねて形成されていること
を特徴とした請求項１記載の色センサ。[Claims for Utility Model Registration] (1) A light receiving device having at least two photoelectric conversion regions, and a light receiving device provided on the light receiving surface side of each photoelectric conversion region of the light receiving device, each selectively transmitting light of a specific wavelength. and a light-shielding region provided on the light-receiving surface side of at least one of the photoelectric conversion regions, and the light-shielding region is provided on the light-receiving surface side of the photoelectric conversion region discretely and uniformly. A color sensor characterized by being distributed. (2) The color sensor according to claim 1, wherein the light-shielding region is formed by overlapping color filters whose transmitted light has different wavelengths.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3555188U JPH01140141U (en) | 1988-03-17 | 1988-03-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3555188U JPH01140141U (en) | 1988-03-17 | 1988-03-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01140141U true JPH01140141U (en) | 1989-09-26 |
Family
ID=31262196
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3555188U Pending JPH01140141U (en) | 1988-03-17 | 1988-03-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01140141U (en) |
-
1988
- 1988-03-17 JP JP3555188U patent/JPH01140141U/ja active Pending
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