JPH0480074U - - Google Patents

Info

Publication number
JPH0480074U
JPH0480074U JP12490190U JP12490190U JPH0480074U JP H0480074 U JPH0480074 U JP H0480074U JP 12490190 U JP12490190 U JP 12490190U JP 12490190 U JP12490190 U JP 12490190U JP H0480074 U JPH0480074 U JP H0480074U
Authority
JP
Japan
Prior art keywords
electrode
light emitting
light
led array
guiding hole
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
Application number
JP12490190U
Other languages
English (en)
Other versions
JP2532952Y2 (ja
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP12490190U priority Critical patent/JP2532952Y2/ja
Publication of JPH0480074U publication Critical patent/JPH0480074U/ja
Application granted granted Critical
Publication of JP2532952Y2 publication Critical patent/JP2532952Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Description

【図面の簡単な説明】
第1図は本考案に係るLEDアレイの一実施例
を示す斜視図、第2図は同平面図、第3図は丸い
形の導光孔を有するP電極の斜視図、第4図は書
込み用光ビームの形状を説明するための略図、第
5図は同光ビームの投影パターン、第6図及び第
7図は従来例を示す斜視図及び断面図である。 1……N型基板、2……N−エピタキシヤル層
、3……P層、4……絶縁層、5……P電極、5
A……導光孔、6……オーミツクエリア、7……
N電極、d……LEDアレイ−感光体間の光学的
距離、h……遮光壁の高さ、D……導光孔径。

Claims (1)

  1. 【実用新案登録請求の範囲】 個別に分離した多数のPN接合部を有するウエ
    ハーの表面の発光面とドツト分離部を除いた部分
    に、P電極を絶縁層を介して、かつPN接合のP
    層とオーミツクエリアで電気的に接続されるよう
    に形成し、P電極の発光面に対応する開口部を導
    光孔とする一方、 d={(h/D)・(p−D)/2}+D ここで、p:発光ドツトピツチ h:遮光壁の高さ D:導光孔径 の関係式で導かれるLEDアレイ−感光体間の光
    学的距離dが100μm〜1mmになるようにhと
    Dの値を設定したことを特徴とするLEDアレイ
JP12490190U 1990-11-27 1990-11-27 Ledアレイ Expired - Lifetime JP2532952Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12490190U JP2532952Y2 (ja) 1990-11-27 1990-11-27 Ledアレイ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12490190U JP2532952Y2 (ja) 1990-11-27 1990-11-27 Ledアレイ

Publications (2)

Publication Number Publication Date
JPH0480074U true JPH0480074U (ja) 1992-07-13
JP2532952Y2 JP2532952Y2 (ja) 1997-04-16

Family

ID=31872531

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12490190U Expired - Lifetime JP2532952Y2 (ja) 1990-11-27 1990-11-27 Ledアレイ

Country Status (1)

Country Link
JP (1) JP2532952Y2 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013157364A (ja) * 2012-01-27 2013-08-15 Oki Data Corp 発光パネル、及びそれを備えたヘッドアップディスプレイ

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013157364A (ja) * 2012-01-27 2013-08-15 Oki Data Corp 発光パネル、及びそれを備えたヘッドアップディスプレイ

Also Published As

Publication number Publication date
JP2532952Y2 (ja) 1997-04-16

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