[go: up one dir, main page]

JPS6330271A - Optical printer head - Google Patents

Optical printer head

Info

Publication number
JPS6330271A
JPS6330271A JP61174469A JP17446986A JPS6330271A JP S6330271 A JPS6330271 A JP S6330271A JP 61174469 A JP61174469 A JP 61174469A JP 17446986 A JP17446986 A JP 17446986A JP S6330271 A JPS6330271 A JP S6330271A
Authority
JP
Japan
Prior art keywords
light emitting
emitting diode
diode array
insulating substrate
mark
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
JP61174469A
Other languages
Japanese (ja)
Other versions
JP2639646B2 (en
Inventor
Kazuhiro Miyazaki
宮崎 一博
Yasuo Nishiguchi
泰夫 西口
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kyocera Corp
Original Assignee
Kyocera Corp
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 by Kyocera Corp filed Critical Kyocera Corp
Priority to JP17446986A priority Critical patent/JP2639646B2/en
Publication of JPS6330271A publication Critical patent/JPS6330271A/en
Application granted granted Critical
Publication of JP2639646B2 publication Critical patent/JP2639646B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41JTYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/435Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of radiation to a printing material or impression-transfer material
    • B41J2/447Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of radiation to a printing material or impression-transfer material using arrays of radiation sources
    • B41J2/45Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of radiation to a printing material or impression-transfer material using arrays of radiation sources using light-emitting diode [LED] or laser arrays

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Exposure Or Original Feeding In Electrophotography (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Dot-Matrix Printers And Others (AREA)
  • Printers Or Recording Devices Using Electromagnetic And Radiation Means (AREA)

Abstract

PURPOSE:To obtain high quality printing by linearizing the light emitting positions of the light emitting diodes provided to each light emitting diode array, by providing the aligning mark of an adjacent light emitting diode array to each of the light diode arrays arranged and fixed linearily. CONSTITUTION:The mark 1co of an insulating substrate 1 is detected by a light emitting diode array automatic mount machine to be allowed to correspond to the mark 2c1 of a first light emitting diode array 2a1 and said diode array 2a1 is aligned with the predetermined position of the insulating substrate 1 to be mounted and fixed to said substrate 1. The mark 2c2 of the first light emitting diode array 2a1 is detected by the automatic mount machine and the second light emitting diode array 2a2 is aligned with the predetermined position of the insulating substrate 1 corresponding to the mark 2c2 of the second light emitting diode array 2a2 to be mounted and fixed thereto. Other light emitting diode arrays 2a3, 2a4... are successively aligned with the insulating substrate 1 in the same way to be fixed thereto to be linearily arranged and mounted on the insulating substrate 1.

Description

【発明の詳細な説明】 〔産業上の利用分野〕   、 本発明は電子写真式プリンタなどの記録装置の光源とし
て使用される光プリンタヘッドの改良に関するものであ
る。
DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to an improvement in an optical printer head used as a light source in a recording device such as an electrophotographic printer.

(従来の技術) 近時、情報処理技術ならびに通信技術の進展に伴い普通
紙に任意の漢字や図形を高速度、高品質で大量に出力す
ることができる小型で、かつ安価な電子写真式プリンタ
が要求されている。そのためこの要求に対処するために
プリンタの光源として絶縁基板上に複数個の発光ダイオ
ード(LED)を直線状に配列取着して成る光プリンタ
ヘッドを使用した電子写真式、プリンタが小型、高解像
度のものとして提案されている。
(Prior art) With the recent advances in information processing technology and communication technology, small and inexpensive electrophotographic printers that can output large quantities of arbitrary kanji and figures on plain paper at high speed and with high quality have become popular. is required. To meet this demand, electrophotographic printers, which use an optical printer head consisting of a plurality of light emitting diodes (LEDs) arranged in a straight line on an insulating substrate as the printer's light source, are small and have high resolution. It is proposed as a.

この従邑の電子写真式プリンタに使用されている光プリ
ンタヘッドは通常、第3図及び第4図に示すようにアル
ミナセラミックス等の電気絶縁材料から成る基板ll上
に直線状に配列したガリウム−砒素−リン(GaAsP
)等から成る発光ダイオード(LED) 12と、該発
光ダイオード12を選択的に発光、させるための駆動用
IC素子13と、発光ダイオード12と駆動用1.cr
;子13!電気的に接続する配線導体14とを取着搭載
した構造を有しており、駆動用IC素子13の駆動によ
り直線状に配列した発光ダイオード12の個々に印加さ
れる電力を制御し、発光ダイオード12を選択的に発光
させることによって電子写真式プリンタの光源として機
能する。
The optical printer head used in this conventional electrophotographic printer usually has gallium oxides arranged in a straight line on a substrate made of an electrically insulating material such as alumina ceramics, as shown in FIGS. 3 and 4. Arsenic-phosphorus (GaAsP
), a driving IC element 13 for selectively causing the light emitting diode 12 to emit light; cr
; Child 13! It has a structure in which a wiring conductor 14 for electrical connection is attached and mounted, and the power applied to each of the light emitting diodes 12 arranged in a linear manner is controlled by driving the driving IC element 13. 12 functions as a light source for an electrophotographic printer by selectively emitting light.

尚、前記複数個の発光ダイオード12は通常、64個が
1単位として1つの発光ダイオードアレイ12aを構成
し、B4サイズの電子写真式プリンタの光源として使用
される場合には前記発光ダイオードアレイ12aは32
個が直線状に配列される。
Incidentally, the plurality of light emitting diodes 12 usually constitute one light emitting diode array 12a as a unit of 64, and when used as a light source of a B4 size electrophotographic printer, the light emitting diode array 12a is 32
The pieces are arranged in a straight line.

〔発明が解決しようとする問題点〕[Problem that the invention seeks to solve]

しかし乍ら、この従来の光プリンタヘッドは絶縁基板1
1」二に多数個の発光ダイオードアレイ12aを直線状
に配列取着する作業が目視による手作業によって行われ
ており、外形寸法が極めて小さい発光ダイオードアレイ
12aを直線状に配するには極めて精巧な作業性を必要
とし、位置合わせの作業性が極めて悪く、製品としての
光プリンタヘッドを高価とする欠点を有していた。
However, this conventional optical printer head has an insulating substrate 1.
1) Second, the work of arranging and attaching a large number of light emitting diode arrays 12a in a straight line is carried out manually by visual inspection, and it takes extremely elaborate work to arrange the light emitting diode arrays 12a, which have extremely small external dimensions, in a straight line. This method requires high workability, has extremely poor positioning workability, and has the drawback of making the optical printer head as a product expensive.

また発光ダイオードアレイ12aの配列に差が生じると
発光ダイオード12を直線状に配列させることができな
くなり、その結果、発光ダイオード12に電力を印加し
て発光させた際、各発光ダイオード12の発光位置がバ
ラツキ、高品質の印字印画ができないという欠点も有し
ていた。
Furthermore, if a difference occurs in the arrangement of the light emitting diode arrays 12a, it becomes impossible to arrange the light emitting diodes 12 in a straight line, and as a result, when power is applied to the light emitting diodes 12 to emit light, the light emitting position of each light emitting diode 12 It also had the drawbacks of unevenness and the inability to produce high-quality prints.

〔発明の目的〕[Purpose of the invention]

本発明は上記欠点に鑑み案出されたもので、その目的は
多数個の発光ダイオードアレイを極めて容易に直線状に
配列することができ、各発光ダイオードアレイに設けら
れた発光ダイオードの発光位置を直線状として高品質の
印字、印画を得ることができる光プリンタヘッドを提供
することにある。
The present invention was devised in view of the above-mentioned drawbacks, and its purpose is to extremely easily arrange a large number of light emitting diode arrays in a straight line, and to adjust the light emitting positions of the light emitting diodes provided in each light emitting diode array. An object of the present invention is to provide an optical printer head capable of obtaining high-quality printing and printing in a straight line.

〔問題点を解決するための手段〕[Means for solving problems]

本発明は絶縁基板の一主面上に、複数個の発光ダイオー
ドが直線状に配された発光ダイオードアレイを多数個、
直線状に配列取着して成る光プリンタヘッドにおいて、
前記各発光ダイオードアレイの夫々に、隣接する発光ダ
イオードアレイの位置合わせを行うための標識を設けた
ことを特徴とするものである。
The present invention provides a large number of light emitting diode arrays in which a plurality of light emitting diodes are arranged linearly on one main surface of an insulating substrate.
In an optical printer head that is arranged and mounted in a straight line,
The present invention is characterized in that each of the light emitting diode arrays is provided with a mark for aligning adjacent light emitting diode arrays.

〔実施例〕〔Example〕

次に本発明を添付図面に示す実施例に基づき詳細に説明
する。
Next, the present invention will be described in detail based on embodiments shown in the accompanying drawings.

第1図及び第2図は本発明の光プリンタヘッド−3= の一実施例を示し、1はセラミック、ガラス等の電気絶
縁材料から成る基板であり、その表面に発光ダイオード
(LED)2及び駆動用IC素子3がそれぞれ増養搭載
されている。
1 and 2 show an embodiment of the optical printer head 3 of the present invention, in which 1 is a substrate made of an electrically insulating material such as ceramic or glass, and light emitting diodes (LEDs) 2 and The driving IC elements 3 are each additionally mounted.

前記発光ダイオード2はGaAsP系、GaP系等の発
光ダイオードが使用され、例えばGaAsP系の発光ダ
イオードの場合には、先ずG a A’sの基板を炉中
にて高温に加熱するとともにAsH+ (アルシン)と
pH3(ホスヒン)とGa(ガリウム)を適量に含むガ
スを接触させて基板表面にn型半導体のGaAsP(ガ
リウム−砒素−リン)の単結晶を成長させ、次に前記G
aAsP単結晶層表面に5i3N4(窒化シリコン)の
窓付膜を被着させるとともに該窓部にZn(亜鉛)のガ
スをさらし、n型半導体のG a A’s P単結晶層
の一部にZnを拡散させてP型半導体を形成し、Pn接
合をもたすことによって形成される。
The light-emitting diode 2 is a GaAsP-based or GaP-based light-emitting diode. For example, in the case of a GaAsP-based light-emitting diode, first, a GaA's substrate is heated to a high temperature in a furnace, and AsH+ (arsine) is heated. ), pH 3 (phosphine), and a gas containing appropriate amounts of Ga (gallium) to grow a single crystal of GaAsP (gallium-arsenic-phosphorus), an n-type semiconductor, on the substrate surface, and then
A windowed film of 5i3N4 (silicon nitride) is deposited on the surface of the aAsP single crystal layer, and Zn (zinc) gas is exposed to the window to form a part of the n-type semiconductor G a A's P single crystal layer. It is formed by diffusing Zn to form a P-type semiconductor and providing a Pn junction.

また前記発光ダイオード(L[!D)2は絶縁基板1上
に直線状に配列されて取着されており、B4サイズの電
子写真式プリンタに使用される光プリンタヘッドの場合
には2048個(1m+n当たり8個)の発光ダイオー
ド2が直線状に配列される。
Further, the light emitting diodes (L[!D) 2 are installed in a linear arrangement on the insulating substrate 1, and in the case of an optical printer head used for a B4 size electrophotographic printer, 2048 light emitting diodes (L[!D) 2 ( 8) light emitting diodes 2 per 1m+n are arranged in a straight line.

尚、この場合、発光ダイオード2はその64個が1単位
として1つの発光ダイオードアレイを構成し、該発光ダ
イオードアレイを32個(2a++2az+2ai+2
a、  ・・・)、直線状に配列することによって20
48個の発光ダイオード2が絶縁基板1上に直線状に配
列取着される。
In this case, 64 light emitting diodes 2 constitute one light emitting diode array, and the light emitting diode array is divided into 32 pieces (2a++2az+2ai+2
a, ...), 20 by arranging them in a straight line.
Forty-eight light emitting diodes 2 are linearly arranged and mounted on an insulating substrate 1.

前記発光ダイオードアレイ2a++282+283+2
84  ・・・の夫々には第2図に示すように標識2c
 I l 2c 212c、・・・2c、が設けられて
おり、該標識2CI12C212C3・・・2csは各
発光ダイオードアレイ2a + + 2a 212a3
+2a4  ・・・を絶縁基板1上に直線状に配列取着
させる際、その位置合わせに使用さる。
The light emitting diode array 2a++282+283+2
84... is marked with a sign 2c as shown in Figure 2.
I l 2c 212c, . . . 2c, are provided, and the markings 2CI 12C 212C 3 .
+2a4... are used for positioning when arranging and attaching them linearly on the insulating substrate 1.

前記各発光ダイオードアレイ2a++28g+2as+
2S4・・・を絶縁基板1上に取着するにあたっては、
まず発光ダイオードアレイ自動装着機(不図示)により
絶縁基板1上に設けた標識1coを検出し、該検出した
標識1coと第1の発光ダイオードアレイ2a、に設け
た標識2c+ とを対応させて第1の発光ダイオードア
レイ2a+ を絶縁基板1の所定位置に位置を合わせ装
着固定する。次に前記第1の発光ダイオードアレイ2a
+に設けた標11i 2 CZを自動装着機により検出
し、該検出した標識2czと第2の発光ダイオードアレ
イ2aiに設けた標11ttt 2 c tとを対応さ
せて第2の発光ダイオードアレイ2a、を絶縁基板1の
所定位置に位置を合わせて装着固定する。そして以後、
その他の発光ダイオードアレイ2az+2aa  ・・
・も同様にして順次絶縁基板1上に位置を合わせて固定
し、これによって多数個の発光ダイオードアレイ2a+
+2az+2az+2a4・・・が絶縁基板1上に直線
状に配列取着される。
Each of the light emitting diode arrays 2a++28g+2as+
When attaching 2S4... on the insulating substrate 1,
First, a light emitting diode array automatic mounting machine (not shown) detects the mark 1co provided on the insulating substrate 1, and matches the detected mark 1co with the mark 2c+ provided on the first light emitting diode array 2a. The first light emitting diode array 2a+ is aligned and fixed at a predetermined position on the insulating substrate 1. Next, the first light emitting diode array 2a
The mark 11i 2 CZ provided at are aligned and fixed at a predetermined position on the insulating substrate 1. And from then on,
Other light emitting diode arrays 2az+2aa...
・Sequentially align and fix the LEDs onto the insulating substrate 1 in the same manner, thereby forming a large number of light emitting diode arrays 2a+
+2az+2az+2a4... are linearly arranged and attached on the insulating substrate 1.

前記各発光ダイオードアレイ2a++2az+2az+
2an・・・の夫々に設けた標識2C+ + 2cg+
 2C1・・・は十字形と成しておくと該標識の座標点
の確認が正確かつ容易となり好ましいが他の形状、例え
ば円形や方形状であってもよい。
Each of the light emitting diode arrays 2a++2az+2az+
Marks attached to each of 2an... 2C+ + 2cg+
It is preferable that 2C1... be formed into a cross shape so that the coordinate points of the marker can be confirmed accurately and easily, but other shapes such as a circle or a rectangle may be used.

前記標識2c++2cg+2cz  ・・・は各発光ダ
イオードアレイ2a++2az 2as+2an  ・
・・の表面に従来周知の薄膜手法等により被着形成され
る。
The signs 2c++2cg+2cz... are each light emitting diode array 2a++2az 2as+2an.
It is adhered and formed on the surface of . . . by a conventionally well-known thin film method.

前記絶縁基板1上の直線状に配列された発光ダイオード
2の両側には該発光ダイオード2の配列に対し平行とな
るように駆動用IC素子3が搭載されており、駆動用I
C素子3の各出力電極3aは該IC素子3の一側辺で、
かつ発光ダイオード2の配列と平行となるように形成さ
れている。これにより各発光ダイオード2と駆動用IC
素子3の各出力電極3aとの距離は実質的にすべて同一
となすことが可能となる。
Drive IC elements 3 are mounted on both sides of the light emitting diodes 2 arranged linearly on the insulating substrate 1 so as to be parallel to the arrangement of the light emitting diodes 2.
Each output electrode 3a of the C element 3 is on one side of the IC element 3,
Moreover, it is formed so as to be parallel to the arrangement of the light emitting diodes 2. As a result, each light emitting diode 2 and the driving IC
The distances from each output electrode 3a of the element 3 can be made substantially the same.

尚、前記駆動用IC素子3は発光ダイオード2の両側に
分けて搭載したが、上下いずれかの片側にのみ搭載して
もよい。
Although the driving IC element 3 is mounted separately on both sides of the light emitting diode 2, it may be mounted only on either the upper or lower side.

前記駆動用IC素子3は従来周知の半導体技術により作
製され、発光ダイオード2に印加される電力を制御して
発光ダイオード2を選択的に発光させる作用を為す。
The driving IC element 3 is manufactured using conventionally well-known semiconductor technology, and has the function of controlling the power applied to the light emitting diode 2 to selectively cause the light emitting diode 2 to emit light.

また前記駆動用IC素子3と発光ダイオード2との間の
絶縁基板1上には該駆動用IC素子3の各出力電極3a
と各発光ダイオード2とを電気的に接続するための配線
導体4が被着形成されている。この配線導体4はアルミ
ニウム(AI)、銅(Cu)等の金属材料から成り、従
来周知の蒸着やスパッタリング等による薄膜手法を採用
することにより絶縁基板1上で駆動用IC素子3と発光
ダイオード2との間に被着形成される。この場合、駆動
用IC素子3のすべての出力電極3aが発光ダイオード
2の配列に対し平行となっており、駆動用IC素子3の
各出力電極3aと各発光ダイオード2との距離が同一で
あることからすべての配線導体4の長さを同一となすと
ともにその電気抵抗値を実質的に同一となすことができ
る。
Further, each output electrode 3a of the driving IC element 3 is provided on the insulating substrate 1 between the driving IC element 3 and the light emitting diode 2.
A wiring conductor 4 for electrically connecting the light emitting diodes 2 and the light emitting diodes 2 is deposited thereon. The wiring conductor 4 is made of a metal material such as aluminum (AI) or copper (Cu), and is formed on the insulating substrate 1 by using a thin film method such as vapor deposition or sputtering. An adhesion is formed between the In this case, all the output electrodes 3a of the driving IC element 3 are parallel to the arrangement of the light emitting diodes 2, and the distance between each output electrode 3a of the driving IC element 3 and each light emitting diode 2 is the same. Therefore, all the wiring conductors 4 can be made to have the same length and have substantially the same electrical resistance value.

前記配線導体4はその両端に発光ダイオード2および駆
動用IC素子3の各出力電極3aがそれぞれアルミニウ
ム(AI)、金(^U)等の細線(ボンディングワイヤ
)5を介し接続され、これによって各発光ダイオード2
と駆動用IC素子3とは配線導体4を介し電気的に接続
されることとなる。
The output electrodes 3a of the light emitting diode 2 and the driving IC element 3 are connected to both ends of the wiring conductor 4 through thin wires (bonding wires) 5 made of aluminum (AI), gold (^U), etc. light emitting diode 2
and the driving IC element 3 are electrically connected via the wiring conductor 4.

かくして、駆動用IC素子3の駆動により駆動用IC素
子3の出力電極3a及び配線導体4を介し発光ダイオー
ド2の個々に印加される電力を制御し、発光ダイオード
2を均一波長、均一輝度で選択的に発光させることによ
って電子写真式プリンタの光源として機能する。
In this way, by driving the driving IC element 3, the power applied to each light emitting diode 2 is controlled via the output electrode 3a of the driving IC element 3 and the wiring conductor 4, and the light emitting diode 2 is selected with uniform wavelength and uniform brightness. By emitting light, it functions as a light source for electrophotographic printers.

〔発明の効果〕〔Effect of the invention〕

本発明の光プリンタヘッドによれば、発光ダイオードア
レイの夫々に、隣接する発光ダイオードアレイの位置合
わせを行うための標識を設けたことから該標識を基準と
して発光ダイオードアレイを自動装着機により絶縁基板
上の所定位置に直線状に配列取着することができ、これ
によって光プリンタヘッドを安価として、かつ各発光ダ
イオードの発光位置を直線状となし極めて高品質の印字
、印画を出力させることが可能となる。
According to the optical printer head of the present invention, each of the light emitting diode arrays is provided with a mark for aligning adjacent light emitting diode arrays, so that the light emitting diode array is attached to the insulating substrate by an automatic mounting machine using the mark as a reference. They can be arranged and mounted in a straight line at predetermined positions on the top, making it possible to make the optical printer head inexpensive and to output extremely high quality prints by setting the light emitting position of each light emitting diode in a straight line. becomes.

【図面の簡単な説明】[Brief explanation of the drawing]

第1図は本発明の光プリンタヘッドの一部分を示す平面
図、第2図は絶縁基板に発光ダイオードアレイを装着す
る方法を説明するための概略図、第3図は従来の光プリ
ンタヘッドの一部分を示す平面図、第4図は第3図の縦
断面図である。
Fig. 1 is a plan view showing a part of the optical printer head of the present invention, Fig. 2 is a schematic diagram for explaining a method of mounting a light emitting diode array on an insulating substrate, and Fig. 3 is a part of a conventional optical printer head. FIG. 4 is a vertical sectional view of FIG. 3.

Claims (1)

【特許請求の範囲】[Claims] 絶縁基板の一主面上に、複数個の発光ダイオードが直線
状に配された発光ダイオードアレイを多数個、直線状に
配列取着して成る光プリンタヘッドにおいて、前記各発
光ダイオードアレイの夫々に、隣接する発光ダイオード
アレイの位置合わせを行うための標識を設けたことを特
徴とする光プリンタヘッド。
In an optical printer head in which a large number of light emitting diode arrays each having a plurality of light emitting diodes arranged in a straight line are arranged and attached on one main surface of an insulating substrate, each of the light emitting diode arrays has a An optical printer head characterized in that a mark is provided for aligning adjacent light emitting diode arrays.
JP17446986A 1986-07-23 1986-07-23 Optical printer head Expired - Fee Related JP2639646B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17446986A JP2639646B2 (en) 1986-07-23 1986-07-23 Optical printer head

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17446986A JP2639646B2 (en) 1986-07-23 1986-07-23 Optical printer head

Publications (2)

Publication Number Publication Date
JPS6330271A true JPS6330271A (en) 1988-02-08
JP2639646B2 JP2639646B2 (en) 1997-08-13

Family

ID=15979026

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17446986A Expired - Fee Related JP2639646B2 (en) 1986-07-23 1986-07-23 Optical printer head

Country Status (1)

Country Link
JP (1) JP2639646B2 (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59227675A (en) * 1983-06-08 1984-12-20 三菱電機株式会社 Statistical device for traffic of elevator
US5173759A (en) * 1990-02-06 1992-12-22 Kyocera Corporation Array of light emitting devices or photo detectors with marker regions
JPH05261971A (en) * 1992-03-18 1993-10-12 Kyocera Corp Imaging device
US5943586A (en) * 1995-12-26 1999-08-24 Oki Electric Industry Co., Ltd. LED array alignment mark, method and mask for forming same, and LED array alignment method
US6833563B2 (en) * 2001-09-25 2004-12-21 Intel Corporation Multi-stack surface mount light emitting diodes
JP2007538395A (en) * 2004-05-19 2007-12-27 インテンス リミテッド Printing device with laser activation

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58203071A (en) * 1982-05-21 1983-11-26 Mitsubishi Electric Corp Light emitting diode array
JPS60146364U (en) * 1984-03-09 1985-09-28 三菱電機株式会社 light emitting diode array head

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58203071A (en) * 1982-05-21 1983-11-26 Mitsubishi Electric Corp Light emitting diode array
JPS60146364U (en) * 1984-03-09 1985-09-28 三菱電機株式会社 light emitting diode array head

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59227675A (en) * 1983-06-08 1984-12-20 三菱電機株式会社 Statistical device for traffic of elevator
US5173759A (en) * 1990-02-06 1992-12-22 Kyocera Corporation Array of light emitting devices or photo detectors with marker regions
JPH05261971A (en) * 1992-03-18 1993-10-12 Kyocera Corp Imaging device
US5943586A (en) * 1995-12-26 1999-08-24 Oki Electric Industry Co., Ltd. LED array alignment mark, method and mask for forming same, and LED array alignment method
US6023104A (en) * 1995-12-26 2000-02-08 Oki Electric Industry Co., Ltd. LED array alignment mark, method and mask for forming same, and LED array alignment method
US6833563B2 (en) * 2001-09-25 2004-12-21 Intel Corporation Multi-stack surface mount light emitting diodes
JP2007538395A (en) * 2004-05-19 2007-12-27 インテンス リミテッド Printing device with laser activation

Also Published As

Publication number Publication date
JP2639646B2 (en) 1997-08-13

Similar Documents

Publication Publication Date Title
US5134340A (en) Light-emitting diode printhead
US6633322B2 (en) Light emitting element array, optical printer head using the same, and method for driving optical printer head
JPS6330271A (en) Optical printer head
US4213030A (en) Silicon-semiconductor-type thermal head
JPH0435178Y2 (en)
EP0510274A1 (en) Light emitting diode printhead
JPS62219582A (en) optical printer head
JPS61199683A (en) optical printer head
JPS62217677A (en) Optical printer head
JP2604574B2 (en) Optical printer head
JPS62271765A (en) optical printer head
JPH05294008A (en) Optical printer head
JPS61270176A (en) optical printer head
JPH05294009A (en) Optical printer head
JPH10129036A (en) Optical printer head
JP2851780B2 (en) Imaging device
JP2892266B2 (en) Imaging device
JP3554022B2 (en) Imaging device
JP2883266B2 (en) Imaging device
JPS61199682A (en) Optical printer head
JPH0664226A (en) Optical printer head
JP2813117B2 (en) Imaging device
JPS61206675A (en) Photoprinter head
JPS61211063A (en) Optical printing head
JPH07108709A (en) Image forming device

Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees