JPH048454U - - Google Patents
Info
- Publication number
- JPH048454U JPH048454U JP4735390U JP4735390U JPH048454U JP H048454 U JPH048454 U JP H048454U JP 4735390 U JP4735390 U JP 4735390U JP 4735390 U JP4735390 U JP 4735390U JP H048454 U JPH048454 U JP H048454U
- Authority
- JP
- Japan
- Prior art keywords
- series
- lighting circuit
- diode groups
- groups
- parallel
- 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 6
- 230000007423 decrease Effects 0.000 description 1
Description
第１図は本考案に係るＬＥＤランプの点灯回路
の基本回路構成を示す図、第２図はＬＥＤを直線
配列する時の回路構成を示す図、第３図は本考案
に係る点灯回路を採用したハイマウントストツプ
ランプの要部正面図、第４図は第３図−線断
面図、第５図は第４図−線断面図、第６図は
ＬＥＤランプ全体としての光量の減少を抑制し得
ることを説明するためのダイオード群の簡単なモ
デル例を示す図、第７図ａおよびｂはＬＥＤの光
束−Ｉｆ特性図およびＶｆ−Ｉｆ特性図、第８図
は従来のＬＥＤランプの点灯回路を示す図、第９
図は本出願人が先に提案したＬＥＤランプの点灯
回路を示す図、第１０図はこの点灯回路において
ＬＥＤランプ全体としての光量が減少することを
説明するためのダイオード群の簡単なモデル例を
示す図である。
１……ハイマウントストツプランプ、ＬＥＤ１
１〜ＬＥＤｍｎ……発光ダイオード、Ｕ１１〜Ｕ
２ｎ……ダイオード群、Ａ１，Ａ２……直列接続
ダイオード群、Ｄ０……整流ダイオード、Ｒ……
点灯用抵抗。
Figure 1 is a diagram showing the basic circuit configuration of the LED lamp lighting circuit according to the present invention, Figure 2 is a diagram showing the circuit configuration when LEDs are arranged in a straight line, and Figure 3 is a diagram showing the lighting circuit according to the present invention. Figure 4 is a cross-sectional view taken along the line in Figure 3, Figure 5 is a cross-sectional view taken along the line in Figure 4, and Figure 6 is a front view of the main parts of the high-mounted stop lamp. 7a and 7b are LED luminous flux-I f characteristic diagrams and V f -I f characteristic diagrams, and FIG. 8 is a conventional LED lamp. Diagram showing the lighting circuit of
The figure shows a lighting circuit for an LED lamp previously proposed by the applicant, and Figure 10 shows a simple model example of a group of diodes to explain that in this lighting circuit, the amount of light of the LED lamp as a whole decreases. FIG. 1...High mount stop lamp, LED 1
1 ~ LED mn ... Light emitting diode, U 11 ~ U
2n ... Diode group, A1, A2... Series connected diode group, D 0 ... Rectifier diode, R...
Resistor for lighting.
Claims (1)
複数組のダイオード群を形成し、これらのダイオ
ード群を複数組毎に直列接続して複数組の直列接
続ダイオード群を形成し、これらの直列接続ダイ
オード群を並列に接続したことを特徴とするＬＥ
Ｄランプの点灯回路。 A plurality of light emitting diodes are each connected in parallel to form a plurality of diode groups, and each of these diode groups is connected in series to form a plurality of series-connected diode groups, and these series-connected diodes LE characterized by connecting groups in parallel
D lamp lighting circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4735390U JPH048454U (en) | 1990-05-08 | 1990-05-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4735390U JPH048454U (en) | 1990-05-08 | 1990-05-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH048454U true JPH048454U (en) | 1992-01-27 |
Family
ID=31563210
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4735390U Pending JPH048454U (en) | 1990-05-08 | 1990-05-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH048454U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5471643U (en) * | 1977-10-31 | 1979-05-22 | ||
| JP2003168305A (en) * | 2001-01-25 | 2003-06-13 | Matsushita Electric Ind Co Ltd | Light-emitting unit, light-emitting unit combination, and lighting device |
| JP2008227412A (en) * | 2007-03-15 | 2008-09-25 | Sharp Corp | Light emitting device and manufacturing method thereof |
| JP2011253700A (en) * | 2010-06-02 | 2011-12-15 | Sparkling Lights Kk | Disconnectable lighting system and its manufacturing method |
| JP2014183200A (en) * | 2013-03-19 | 2014-09-29 | Iris Ohyama Inc | Light-emitting device and led lighting equipment |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59206875A (en) * | 1983-05-11 | 1984-11-22 | 株式会社東芝 | light emitting display device |
-
1990
- 1990-05-08 JP JP4735390U patent/JPH048454U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59206875A (en) * | 1983-05-11 | 1984-11-22 | 株式会社東芝 | light emitting display device |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5471643U (en) * | 1977-10-31 | 1979-05-22 | ||
| JP2003168305A (en) * | 2001-01-25 | 2003-06-13 | Matsushita Electric Ind Co Ltd | Light-emitting unit, light-emitting unit combination, and lighting device |
| JP2008227412A (en) * | 2007-03-15 | 2008-09-25 | Sharp Corp | Light emitting device and manufacturing method thereof |
| JP2011253700A (en) * | 2010-06-02 | 2011-12-15 | Sparkling Lights Kk | Disconnectable lighting system and its manufacturing method |
| JP2014183200A (en) * | 2013-03-19 | 2014-09-29 | Iris Ohyama Inc | Light-emitting device and led lighting equipment |
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