JPH0455156U - - Google Patents
Info
- Publication number
- JPH0455156U JPH0455156U JP1990096933U JP9693390U JPH0455156U JP H0455156 U JPH0455156 U JP H0455156U JP 1990096933 U JP1990096933 U JP 1990096933U JP 9693390 U JP9693390 U JP 9693390U JP H0455156 U JPH0455156 U JP H0455156U
- Authority
- JP
- Japan
- Prior art keywords
- heat sink
- substrate
- axial direction
- lighting device
- convex curved
- 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.)
- Granted
Links
- 239000000758 substrate Substances 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 1
Description
第１図は本考案に係るＬＥＤ灯具の一実施例を
示す断面図、第２図、第３図は同じ実施例の作用
を示すグラフ、第４図は同じく本考案の別の実施
例を要部で示す断面図、第５図は従来例を示す斜
視図、第６図は第５図の−線に沿う断面図、
第７図は従来例の作用を示すグラフである。
１……ＬＥＤ灯具、２……ヒートシンク、２ａ
……凸曲面、３……基板、４……ＬＥＤ、５……
間隙部材、Ｆ１，Ｆ２……接触圧、Ｔ１，Ｔ２…
…温度。
FIG. 1 is a sectional view showing an embodiment of the LED lighting device according to the present invention, FIGS. 2 and 3 are graphs showing the operation of the same embodiment, and FIG. 4 is a diagram showing another embodiment of the present invention. 5 is a perspective view showing a conventional example, FIG. 6 is a sectional view taken along the - line in FIG. 5,
FIG. 7 is a graph showing the effect of the conventional example. 1...LED light fixture, 2...heat sink, 2a
...Convex curved surface, 3...Substrate, 4...LED, 5...
Gap member, F1, F2...Contact pressure, T1, T2...
…temperature.
Claims (1)
トシンクと、該ヒートシンクの表面側に前記円筒
状の軸方向に沿い両端で固定される複数のＬＥＤ
が配設された短冊状の基板とで成るＬＥＤ灯具に
おいて、前記ヒートシンクの前記基板と接する面
の軸方向に沿う断面は凸曲面としてあることを特
徴とするＬＥＤ灯具。 (2) 前記ヒートシンクと前記基板との間には熱
伝導性に優れる間隙部材が挟持されていることを
特徴とする実用新案登録請求の範囲第(1)項記載
のＬＥＤ灯具。[Claims for Utility Model Registration] (1) A heat sink formed into a substantially cylindrical shape made of a thermally conductive member, and a plurality of LEDs fixed at both ends along the axial direction of the cylinder on the surface side of the heat sink.
What is claimed is: 1. An LED lighting device comprising a strip-shaped substrate on which a heat sink is disposed, wherein a cross section along the axial direction of a surface of the heat sink in contact with the substrate is a convex curved surface. (2) The LED lamp according to claim 1, wherein a gap member having excellent thermal conductivity is sandwiched between the heat sink and the substrate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990096933U JP2513678Y2 (en) | 1990-09-13 | 1990-09-13 | LED lighting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990096933U JP2513678Y2 (en) | 1990-09-13 | 1990-09-13 | LED lighting |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0455156U true JPH0455156U (en) | 1992-05-12 |
| JP2513678Y2 JP2513678Y2 (en) | 1996-10-09 |
Family
ID=31836876
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990096933U Expired - Lifetime JP2513678Y2 (en) | 1990-09-13 | 1990-09-13 | LED lighting |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2513678Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005527987A (en) * | 2002-05-29 | 2005-09-15 | オプトラム， インコーポレイテッド | Light source of light emitting diode |
| JP2008091161A (en) * | 2006-09-29 | 2008-04-17 | Matsushita Electric Works Ltd | Led lighting system |
-
1990
- 1990-09-13 JP JP1990096933U patent/JP2513678Y2/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005527987A (en) * | 2002-05-29 | 2005-09-15 | オプトラム， インコーポレイテッド | Light source of light emitting diode |
| JP2008091161A (en) * | 2006-09-29 | 2008-04-17 | Matsushita Electric Works Ltd | Led lighting system |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2513678Y2 (en) | 1996-10-09 |
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