JPS6450919A - Photosensing element - Google Patents
Photosensing elementInfo
- Publication number
- JPS6450919A JPS6450919A JP62208417A JP20841787A JPS6450919A JP S6450919 A JPS6450919 A JP S6450919A JP 62208417 A JP62208417 A JP 62208417A JP 20841787 A JP20841787 A JP 20841787A JP S6450919 A JPS6450919 A JP S6450919A
- Authority
- JP
- Japan
- Prior art keywords
- polyimide film
- light
- color filters
- absorbed
- filters
- 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
Landscapes
- Spectrometry And Color Measurement (AREA)
- Surface Treatment Of Optical Elements (AREA)
Abstract
PURPOSE:To improve the light resistance of color filters by making a projected ultraviolet light absorbed by a polyimide film and not making it fall on the color filters. CONSTITUTION:Three P-type regions 15 are provided in an N-type region 14 in a substrate 10 of a photosensing element, and three photodiodes (Pd) 11, 12 and 13 are formed thereon. Then, red, green and blue filters 41, 42 and 43 are applied on the photosensing surfaces of Pd, 11, 12 and 13 with a reflection preventing film 30 interlaid, respectively, and further the filters 41 and 42 are covered with a polyimide film 50. According to this constitution, an ultraviolet light in the light projected onto the photosensing element is absorbed by the polyimide film 50, and red and green lights fall on Pd 11 and 12 respectively, while a blue light is not absorbed but falls on Pd 13 since the blue filter 43 is not covered with the polyimide film 50. Accordingly, there is no possibility of the organic dye in the color filters being deteriorated by the ultraviolet light, and thus the light resistance of the color filters is improved.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62208417A JPS6450919A (en) | 1987-08-21 | 1987-08-21 | Photosensing element |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62208417A JPS6450919A (en) | 1987-08-21 | 1987-08-21 | Photosensing element |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6450919A true JPS6450919A (en) | 1989-02-27 |
Family
ID=16555887
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP62208417A Pending JPS6450919A (en) | 1987-08-21 | 1987-08-21 | Photosensing element |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6450919A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4885290A (en) * | 1986-11-12 | 1989-12-05 | Kureha Kagaku Kogyo Kabushiki Kaisha | Immunoregulator comprising a derivative of estradiol |
-
1987
- 1987-08-21 JP JP62208417A patent/JPS6450919A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4885290A (en) * | 1986-11-12 | 1989-12-05 | Kureha Kagaku Kogyo Kabushiki Kaisha | Immunoregulator comprising a derivative of estradiol |
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