JPH0167767U - - Google Patents
Info
- Publication number
- JPH0167767U JPH0167767U JP1987162118U JP16211887U JPH0167767U JP H0167767 U JPH0167767 U JP H0167767U JP 1987162118 U JP1987162118 U JP 1987162118U JP 16211887 U JP16211887 U JP 16211887U JP H0167767 U JPH0167767 U JP H0167767U
- Authority
- JP
- Japan
- Prior art keywords
- transparent plate
- solid
- color filter
- imaging device
- ring flare
- 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.)
- Granted
Links
- 238000003384 imaging method Methods 0.000 claims description 9
- NCGICGYLBXGBGN-UHFFFAOYSA-N 3-morpholin-4-yl-1-oxa-3-azonia-2-azanidacyclopent-3-en-5-imine;hydrochloride Chemical compound Cl.[N-]1OC(=N)C=[N+]1N1CCOCC1 NCGICGYLBXGBGN-UHFFFAOYSA-N 0.000 claims 1
- 230000000903 blocking effect Effects 0.000 claims 1
- 230000002265 prevention Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Solid State Image Pick-Up Elements (AREA)
- Color Television Image Signal Generators (AREA)
Description
第１図は本考案固体撮像装置の一つの実施例を
示す断面図、第２図は本考案の原理を説明するた
めの断面図、第３図は固体撮像装置の従来例の一
を示す断面図、第４図はリングフレアーを示す図
、第５図はリングフレアーの発生原因を示す図で
ある。
符号の説明、１……パツケージ、２……固体撮
像素子、３……カラーフイルタ、５……透明板、
６……遮光領域、Ｙ……カラーフイルタと透明板
の厚さの和、Ｙａ……カラーフイルタと透明板の
厚さの和として最小限必要な値、Ｘ……有効撮像
領域の対角長、ｎ１……透明板・カラーフイルタ
の屈折率、ｎ２……空気の屈折率、α１……固体
撮像素子から透明板表面への入射角、α２……透
明板表面から上への出射角。
Fig. 1 is a sectional view showing one embodiment of the solid-state imaging device of the present invention, Fig. 2 is a sectional view for explaining the principle of the invention, and Fig. 3 is a sectional view showing a conventional example of the solid-state imaging device. FIG. 4 is a diagram showing ring flare, and FIG. 5 is a diagram showing the cause of ring flare. Explanation of symbols, 1...Package, 2...Solid-state image sensor, 3...Color filter, 5...Transparent plate,
6... Light shielding area, Y... Sum of thicknesses of color filter and transparent plate, Ya... Minimum required value as sum of thicknesses of color filter and transparent plate, X... Diagonal length of effective imaging area , n 1 ... refractive index of the transparent plate/color filter, n 2 ... refractive index of air, α 1 ... angle of incidence from the solid-state image sensor to the surface of the transparent plate, α 2 ... angle of incidence from the surface of the transparent plate upward Output angle.
Claims (1)
にカラーフイルタが形成された固体撮像装置にお
いて、 上記カラーフイルタの表面に該カラーフイルタ
と屈折率が同じ材質からなるリングフレアー防止
用透明板が接着され、 上記リングフレアー防止用透明板はその裏面に
上記固体撮像素子の有効撮像領域の外側と対応し
た位置に形成された遮光領域を有し、 上記リングフレアー防止用透明板と上記カラー
フイルタの厚さの和Ｙが、上記カラーフイルタ及
びリングフレアー防止用透明板の屈折率をｎ１、
上記固体撮像素子の有効撮像領域の対角長をＸと
したとき下記の式 Ｙ≧Ｘ２ｔａｎ［ｓｉｎ−１（１／ｎ１）］ で表される ことを特徴とする固体撮像装置。[Claims for Utility Model Registration] In a solid-state imaging device in which a color filter is formed on the surface of a solid-state imaging device housed in a package, a ring flare made of a material having the same refractive index as the color filter is provided on the surface of the color filter. A transparent plate for preventing ring flare is adhered to the transparent plate for preventing ring flare, and the transparent plate for preventing ring flare has a light blocking area formed on the back surface thereof at a position corresponding to the outside of the effective imaging area of the solid-state image sensor, and the transparent plate for preventing ring flare has and the thickness of the color filter, Y is the refractive index of the color filter and the transparent plate for ring flare prevention, n 1 ,
A solid-state imaging device characterized in that the diagonal length of the effective imaging area of the solid-state imaging device is expressed by the following formula: Y≧X2tan[sin −1 (1/n 1 )].
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987162118U JPH0617322Y2 (en) | 1987-10-23 | 1987-10-23 | Solid-state imaging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987162118U JPH0617322Y2 (en) | 1987-10-23 | 1987-10-23 | Solid-state imaging device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0167767U true JPH0167767U (en) | 1989-05-01 |
| JPH0617322Y2 JPH0617322Y2 (en) | 1994-05-02 |
Family
ID=31445655
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987162118U Expired - Lifetime JPH0617322Y2 (en) | 1987-10-23 | 1987-10-23 | Solid-state imaging device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0617322Y2 (en) |
-
1987
- 1987-10-23 JP JP1987162118U patent/JPH0617322Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0617322Y2 (en) | 1994-05-02 |
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