JPS6319902Y2 - - Google Patents
Info
- Publication number
- JPS6319902Y2 JPS6319902Y2 JP1981097500U JP9750081U JPS6319902Y2 JP S6319902 Y2 JPS6319902 Y2 JP S6319902Y2 JP 1981097500 U JP1981097500 U JP 1981097500U JP 9750081 U JP9750081 U JP 9750081U JP S6319902 Y2 JPS6319902 Y2 JP S6319902Y2
- Authority
- JP
- Japan
- Prior art keywords
- emitting diode
- temperature
- light emitting
- transistor
- drive current
- 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.)
- Expired
Links
- 230000005540 biological transmission Effects 0.000 description 3
- 230000006378 damage Effects 0.000 description 3
- 230000006866 deterioration Effects 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
Landscapes
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Audible And Visible Signals (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1981097500U JPS585085U (ja) | 1981-06-30 | 1981-06-30 | 車両の発光ダイオ−ド表示回路 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1981097500U JPS585085U (ja) | 1981-06-30 | 1981-06-30 | 車両の発光ダイオ−ド表示回路 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS585085U JPS585085U (ja) | 1983-01-13 |
JPS6319902Y2 true JPS6319902Y2 (ru) | 1988-06-02 |
Family
ID=29892303
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1981097500U Granted JPS585085U (ja) | 1981-06-30 | 1981-06-30 | 車両の発光ダイオ−ド表示回路 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS585085U (ru) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101646290B (zh) * | 2008-08-06 | 2012-10-31 | 夏普株式会社 | Led驱动电路 |
JP2011009474A (ja) * | 2009-06-25 | 2011-01-13 | Panasonic Electric Works Co Ltd | 発光ダイオード駆動装置、並びにそれを用いた照明器具、車室内用照明装置、車両用照明装置 |
JP5881346B2 (ja) * | 2011-09-15 | 2016-03-09 | 三菱電機照明株式会社 | 定電流回路及び発光ダイオード駆動定電流回路 |
JP2016106418A (ja) * | 2016-02-02 | 2016-06-16 | 三菱電機照明株式会社 | 定電流回路及び発光ダイオード駆動定電流回路 |
-
1981
- 1981-06-30 JP JP1981097500U patent/JPS585085U/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS585085U (ja) | 1983-01-13 |
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