JPH0321862U

JPH0321862U -

Info

Publication number: JPH0321862U
Application number: JP8138889U
Authority: JP
Priority date: 1989-07-11
Filing date: 1989-07-11
Publication date: 1991-03-05

Description

[Brief explanation of drawings]

第１図ａは、この考案の一実施例に係るＬＥＤ
アレイの拡散領域の拡大図、第１図ｂは、屈折率
勾配型レンズアレイ透過後の同拡散領域の光出力
分布を示す図、第２図は、同ＬＥＤアレイの中央
部を省略して示す平面図、第３図は、同ＬＥＤア
レイの第２図中−線における断面図、第４図
ａは、従来のＬＥＤアレイの拡散領域の拡大図、
第４図ｂは、屈折率勾配型レンズアレイの透過後
の同拡散領域の光出力分布を示す図、第５図は、
同従来のＬＥＤアレイの中央部を省略して示す平
面図、第６図は、ＬＥＤアレイに適用されるＬＥ
Ｄヘツドの一例を説明する斜視図である。２……基板、３……ｎ側電極、４……拡散領域
、５……非拡散領域、６……Ｐ側電極。 FIG. 1a shows an LED according to an embodiment of this invention.
An enlarged view of the diffusion region of the array, FIG. 1b is a diagram showing the light output distribution of the diffusion region after passing through the refractive index gradient lens array, and FIG. 2 shows the central part of the LED array with the central part omitted. A plan view, FIG. 3 is a cross-sectional view of the same LED array taken along the line - - in FIG. 2, FIG. 4a is an enlarged view of the diffusion region of the conventional LED array,
Figure 4b is a diagram showing the light output distribution of the same diffusion region after passing through the refractive index gradient lens array, and Figure 5 is:
FIG. 6 is a plan view showing the conventional LED array with the central part omitted.
FIG. 3 is a perspective view illustrating an example of a D head. 2... Substrate, 3... N-side electrode, 4... Diffusion region, 5... Non-diffusion region, 6... P-side electrode.

Claims

[Claims for Utility Model Registration] A substrate, a first electrode formed on the substrate, diffusion regions arranged in a row on the substrate, and each formed on the substrate and in contact with the diffusion regions. and a second electrode, wherein at least one non-diffusion region is provided within the diffusion region.