JPH0461803U - - Google Patents
Info
- Publication number
- JPH0461803U JPH0461803U JP10466590U JP10466590U JPH0461803U JP H0461803 U JPH0461803 U JP H0461803U JP 10466590 U JP10466590 U JP 10466590U JP 10466590 U JP10466590 U JP 10466590U JP H0461803 U JPH0461803 U JP H0461803U
- Authority
- JP
- Japan
- Prior art keywords
- power supply
- vehicle
- led elements
- led
- lighting device
- 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
- 238000010586 diagram Methods 0.000 description 3
Description
第１図は本考案に係る車両用ＬＥＤ灯具の一実
施例を示す略示的な回路図、第２図は従来例を示
す略示的な回路図、第３図は従来例の車両用ＬＥ
Ｄ灯具を継続して高い電源電圧で点灯した状態を
示す説明図である。
１……車両用ＬＥＤ灯具、２……基板、３……
ＬＥＤ素子、４……ＬＥＤ列、５……定電圧回路
。
FIG. 1 is a schematic circuit diagram showing an embodiment of a vehicle LED lamp according to the present invention, FIG. 2 is a schematic circuit diagram showing a conventional example, and FIG. 3 is a conventional vehicle LED lamp.
FIG. 7 is an explanatory diagram showing a state in which the D lamp is continuously lit at a high power supply voltage. 1... Vehicle LED light fixture, 2... Board, 3...
LED element, 4...LED string, 5...constant voltage circuit.
Claims (1)
る車両用ＬＥＤ灯具であり、前記ＬＥＤ素子に電
源を供給する電源装置を含む車両用ＬＥＤ灯具に
おいて、前記電源装置は前記ＬＥＤ素子の直列接
続数と車両の電源電圧の変動に見合う定電圧電源
とされていることを特徴とする車両用ＬＥＤ灯具
。 A vehicle LED lighting device that uses a plurality of LED elements mounted on a board as a light source, and includes a power supply device that supplies power to the LED elements, wherein the power supply device has a number of LED elements connected in series. An LED lighting device for a vehicle, characterized in that it is a constant voltage power supply that is compatible with fluctuations in the power supply voltage of the vehicle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10466590U JPH0461803U (en) | 1990-10-04 | 1990-10-04 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10466590U JPH0461803U (en) | 1990-10-04 | 1990-10-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0461803U true JPH0461803U (en) | 1992-05-27 |
Family
ID=31850040
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10466590U Pending JPH0461803U (en) | 1990-10-04 | 1990-10-04 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0461803U (en) |
-
1990
- 1990-10-04 JP JP10466590U patent/JPH0461803U/ja active Pending
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