JPS6450919A - Photosensing element - Google Patents

Photosensing element

Info

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
Application number
JP62208417A
Other languages
Japanese (ja)
Inventor
Kazuto Nagura
Junzo Ishizaki
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sharp Corp
Original Assignee
Sharp Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Sharp Corp filed Critical Sharp Corp
Priority to JP62208417A priority Critical patent/JPS6450919A/en
Publication of JPS6450919A publication Critical patent/JPS6450919A/en
Pending legal-status Critical Current

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.
JP62208417A 1987-08-21 1987-08-21 Photosensing element Pending JPS6450919A (en)

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)

* Cited by examiner, † Cited by third party
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

Cited By (1)

* Cited by examiner, † Cited by third party
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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