JPH0190665U - - Google Patents
Info
- Publication number
- JPH0190665U JPH0190665U JP18691187U JP18691187U JPH0190665U JP H0190665 U JPH0190665 U JP H0190665U JP 18691187 U JP18691187 U JP 18691187U JP 18691187 U JP18691187 U JP 18691187U JP H0190665 U JPH0190665 U JP H0190665U
- Authority
- JP
- Japan
- Prior art keywords
- light emitting
- emitting diode
- approximately
- emitting diodes
- source unit
- 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 1
- 239000003550 marker Substances 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
Landscapes
- Audible And Visible Signals (AREA)
- Train Traffic Observation, Control, And Security (AREA)
Description
第１図は、本考案による一実施例の光源ユニツ
トを示す平面図および正面図である。第２図は、
第１図に示した光源ユニツトを使用した一実施例
として、出発反応標識の一例を示す正面図および
右側面図である。第３図は、第１図に示した光源
ユニツトを使用した一実施例として、他の出発反
応標識の例を示す右側面図である。第４図は、本
考案による他の一実施例として、踏切動作反応灯
の例を示す平面図および正面図である。
１……プリント配線基板、２……黄色発光ダイ
オード、３……赤色発光ダイオード、４……部品
搭載スペース、５……スペーサ、６……座間、７
……裏カバー、８……ねじ、１０，２０……光源
ユニツト、１１……灯体、１２，２２……フード
、１３……フイルタ、２１……灯箱。
FIG. 1 is a plan view and a front view showing a light source unit according to an embodiment of the present invention. Figure 2 shows
2 is a front view and a right side view showing an example of a starting reaction marker as an example using the light source unit shown in FIG. 1. FIG. FIG. 3 is a right side view showing another example of a starting reaction label as an example using the light source unit shown in FIG. 1. FIG. 4 is a plan view and a front view showing an example of a railroad crossing reaction light as another embodiment of the present invention. 1...Printed wiring board, 2...Yellow light emitting diode, 3...Red light emitting diode, 4...Component mounting space, 5...Spacer, 6...Zama, 7
... Back cover, 8 ... Screw, 10, 20 ... Light source unit, 11 ... Light body, 12, 22 ... Hood, 13 ... Filter, 21 ... Light box.
Claims (1)
光源ユニツトを有する信号灯において、前記光源
ユニツトは、発光面の一定面積ごとに、それぞれ
複数の黄色発光ダイオードと１個の赤色発光ダイ
オードを含み、かつ、前記黄色発光ダイオード群
の中に前記赤色発光ダイオードをほぼ均一に分散
して配置した光源ユニツトであることを特徴とす
る近白色信号灯。 (2) 前記光源ユニツトの発光面の一定面積は２c
m2ないし９cm2であり、前記一定面積内の黄色発
光ダイオードの数は、９個ないし１５個である実
用新案登録請求の範囲第１項記載の近白色信号灯
。 (3) 前記黄色発光ダイオードは、ピーク波長が
ほぼ５７０ｎｍで、通常の使用状態における光の
強度がほぼ３００ミリカンデラの発光ダイオード
であり、前記赤色発光ダイオードは、ピーク波長
がほぼ６６０ｎｍで、通常の使用状態における光
の強度がほぼ１０００ミリカンデラの発光ダイオ
ードである実用新案登録請求の範囲第２項記載の
近白色信号灯。[Claims for Utility Model Registration] (1) In a signal light having a light source unit in which a large number of light emitting diodes are mounted on a substrate, the light source unit includes a plurality of yellow light emitting diodes and one yellow light emitting diode for each fixed area of the light emitting surface. 1. A near-white signal lamp, characterized in that it is a light source unit including red light emitting diodes, and the red light emitting diodes are arranged in a substantially uniformly distributed manner in the group of yellow light emitting diodes. (2) The constant area of the light emitting surface of the light source unit is 2c
The near-white signal lamp according to claim 1, wherein the area is from m 2 to 9 cm 2 and the number of yellow light emitting diodes within the certain area is from 9 to 15. (3) The yellow light emitting diode is a light emitting diode with a peak wavelength of approximately 570 nm and a light intensity of approximately 300 millicandela under normal usage conditions, and the red light emitting diode is a light emitting diode with a peak wavelength of approximately 660 nm and a light intensity of approximately 300 millicandela. The near-white signal lamp according to claim 2, which is a light emitting diode with a light intensity of approximately 1000 millicandela in use.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987186911U JPH0644768Y2 (en) | 1987-12-08 | 1987-12-08 | Pseudo white signal light using light emitting diode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987186911U JPH0644768Y2 (en) | 1987-12-08 | 1987-12-08 | Pseudo white signal light using light emitting diode |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0190665U true JPH0190665U (en) | 1989-06-14 |
| JPH0644768Y2 JPH0644768Y2 (en) | 1994-11-16 |
Family
ID=31478108
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987186911U Expired - Lifetime JPH0644768Y2 (en) | 1987-12-08 | 1987-12-08 | Pseudo white signal light using light emitting diode |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0644768Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50130268U (en) * | 1974-04-10 | 1975-10-25 |
-
1987
- 1987-12-08 JP JP1987186911U patent/JPH0644768Y2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50130268U (en) * | 1974-04-10 | 1975-10-25 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0644768Y2 (en) | 1994-11-16 |
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