JPS5493385A - Photo sensor - Google Patents
Photo sensorInfo
- Publication number
- JPS5493385A JPS5493385A JP15897577A JP15897577A JPS5493385A JP S5493385 A JPS5493385 A JP S5493385A JP 15897577 A JP15897577 A JP 15897577A JP 15897577 A JP15897577 A JP 15897577A JP S5493385 A JPS5493385 A JP S5493385A
- Authority
- JP
- Japan
- Prior art keywords
- detection element
- photo detection
- photo
- shield wall
- electroluminescent element
- 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 abstract 5
- 239000000758 substrate Substances 0.000 abstract 3
- 238000001704 evaporation Methods 0.000 abstract 2
- 238000009413 insulation Methods 0.000 abstract 2
- 230000007257 malfunction Effects 0.000 abstract 2
- 239000004065 semiconductor Substances 0.000 abstract 2
- 239000000126 substance Substances 0.000 abstract 2
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 230000008020 evaporation Effects 0.000 abstract 1
- 230000002265 prevention Effects 0.000 abstract 1
Landscapes
- Photo Coupler, Interrupter, Optical-To-Optical Conversion Devices (AREA)
Abstract
PURPOSE: To make small the photo sensor size and to make lower in cost, by forming the electroluminescent element and the photo detection element on one semiconductor substrate, and by forming the elements on one plane of the substrate through the provision of shield wall between the both elements.
CONSTITUTION: The insulation film 2 is formed on the major plane of the semiconductor substrate 1, and the part where the photo detection element 5 and the electroluminescent element 4 are set on the film 2 is removed. Further, the photo detection element 3 is formed by evaporating the electodes 6, 7 on the removed part 5 of the insulation film 2 through sequential formation of n and p type regions. Further, the electroluminescent element 4 is isolated electrically from the photo detection element 3, forming separate n and p type regions, and the fluoresecent substance layer 9 and the transparent electrode layer 10 sequentially laminated on the electrode layer 8 formed on the p type region, and moreover, the light shield wall 12 is implanted, consisting of opaque substance, between the photo detecting element 3 and the electroluminescent element 4 with evaporation. Then, the photo detection element 17 for malfunction prevention is formed to the light shield wall 12, avoiding malfunction.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15897577A JPS5493385A (en) | 1977-12-30 | 1977-12-30 | Photo sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15897577A JPS5493385A (en) | 1977-12-30 | 1977-12-30 | Photo sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5493385A true JPS5493385A (en) | 1979-07-24 |
Family
ID=15683456
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15897577A Pending JPS5493385A (en) | 1977-12-30 | 1977-12-30 | Photo sensor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5493385A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5984793U (en) * | 1982-11-29 | 1984-06-08 | 日本精機株式会社 | electroluminescent display element |
| JP2015162473A (en) * | 2014-02-26 | 2015-09-07 | 京セラ株式会社 | Light emitting / receiving element module |
-
1977
- 1977-12-30 JP JP15897577A patent/JPS5493385A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5984793U (en) * | 1982-11-29 | 1984-06-08 | 日本精機株式会社 | electroluminescent display element |
| JP2015162473A (en) * | 2014-02-26 | 2015-09-07 | 京セラ株式会社 | Light emitting / receiving element module |
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