JPH0459007U

JPH0459007U -

Info

Publication number: JPH0459007U
Application number: JP10164990U
Authority: JP
Priority date: 1990-09-28
Filing date: 1990-09-28
Publication date: 1992-05-20

Description

[Brief explanation of the drawing]

第１図ａは第２図に示した車両用灯具の配光特
性を示す図、第１図ｂは第４図および第５図を用
いて示した車両用灯具の配光特性を示す図、第１
図ｃは第４図および第６図を用いて示した車両用
灯具の配光特性を示す図、第２図は本考案に係る
車両用灯具の一実施例を示す回路図、第３図はこ
の車両用灯具においてその多数のＬＥＤが分割配
置されるＡゾーンおよびＢゾーンを示す図、第４
図は本考案に係る車両用灯具の他の実施例を示す
回路図、第５図はこの車両用灯具においてその多
数のＬＥＤが分割配置されるＡゾーンおよびＢゾ
ーンを示す図、第６図はこのＡゾーンおよびＢゾ
ーンに対向位置するレンズ部でその指向性を変え
た状況を示す図、第７図は従来の車両用灯具の一
例を示す回路図、第８図はストツプランプを優先
とした時およびテールランプを優先とした時の狙
い配光特性などを示す図、第９図はＬＥＤの電流
−相対光度特性を示す図である。１_−１１〜１_−ｎ４……ＬＥＤ、４，４１……
車両用灯具、Ａ，Ｂ……ゾーン、４_−１，４１_−
１……レンズ、４_−１１，４_−１２，４１_−１１，４１_−１２，４１_−１１′，４１_−１２′……
レンズ部。 FIG. 1a is a diagram showing the light distribution characteristics of the vehicle lamp shown in FIG. 2, FIG. 1b is a diagram showing the light distribution characteristics of the vehicle lamp shown using FIGS. 4 and 5, 1st
Figure c is a diagram showing the light distribution characteristics of the vehicle lamp shown using Figures 4 and 6, Figure 2 is a circuit diagram showing an embodiment of the vehicle lamp according to the present invention, and Figure 3 is a diagram showing the light distribution characteristics of the vehicle lamp shown using Figures 4 and 6. A fourth diagram showing the A zone and B zone in which a large number of LEDs are dividedly arranged in this vehicle lamp.
FIG. 5 is a circuit diagram showing another embodiment of the vehicle lamp according to the present invention, FIG. A diagram showing a situation in which the directivity is changed by the lens portion located opposite to the A zone and B zone, Figure 7 is a circuit diagram showing an example of a conventional vehicle lamp, and Figure 8 is a case where priority is given to the stop lamp. FIG. 9 is a diagram showing the current-relative luminous intensity characteristic of the LED. _1-11 ~1 _-n4 ...LED, 4,41...
Vehicle lights, A, B...Zone, _4-1 , _{41-
1} ...Lens, _4-11 , _4-12 , _41-11 ,41 _-12 ,41 _-11 ',41 _-12 '...
Lens section.

Claims

[Claims for Utility Model Registration] (1) A vehicle lamp that serves as both a tail lamp and a stop lamp, comprising a number of light emitting sources arranged in a first zone and a second zone; and a lens arranged such that a narrow directional lens part corresponds to the zone and a wide directional lens part corresponds to the second zone, and when used as a tail lamp, the first and second zones A vehicular lamp characterized in that the light emitting sources in the first and second zones are lit at low luminous intensity, and when used as a stop lamp, the light emitting sources in the first and second zones are lit at high luminous intensity. (2) A vehicle lamp that serves as both a tail lamp and a stop lamp, which includes a number of light emitting sources divided into a first zone and a second zone, and when used as a tail lamp, A vehicular lamp characterized in that a light emitting source in one zone lights up at low luminous intensity, and when used as a stop lamp, the light emitting sources in the first zone and the second zone light up at high luminous intensity. (3) A vehicle lamp that serves as both a tail lamp and a stop lamp, including a large number of light emitting sources divided into a first zone and a second zone, and a wide directional lens section in the first zone. and a lens arranged such that a narrow directional lens portion corresponds to the second zone, and when used as a tail lamp, the light emitting source in the first zone lights up at a low luminous intensity, and the stop lamp When used as a vehicle lamp, the light emitting sources in the first zone and the second zone are lit with high luminous intensity.