JPH05185650A - Led head - Google Patents
Led headInfo
- Publication number
- JPH05185650A JPH05185650A JP376892A JP376892A JPH05185650A JP H05185650 A JPH05185650 A JP H05185650A JP 376892 A JP376892 A JP 376892A JP 376892 A JP376892 A JP 376892A JP H05185650 A JPH05185650 A JP H05185650A
- Authority
- JP
- Japan
- Prior art keywords
- circuit board
- lens holder
- led head
- led
- lens
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J25/00—Actions or mechanisms not otherwise provided for
- B41J25/304—Bodily-movable mechanisms for print heads or carriages movable towards or from paper surface
Landscapes
- Printers Or Recording Devices Using Electromagnetic And Radiation Means (AREA)
- Facsimile Heads (AREA)
- Led Device Packages (AREA)
- Dot-Matrix Printers And Others (AREA)
- Electrophotography Using Other Than Carlson'S Method (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、プリンタ、プロッタ、
ファクシミリ、ＬＥＤプリントヘッド、光学的文字書き
込み装置等に使用されるＬＥＤヘッドに関する。BACKGROUND OF THE INVENTION The present invention relates to a printer, plotter,
The present invention relates to an LED head used for a facsimile, an LED print head, an optical character writing device and the like.
【０００２】[0002]
【従来の技術】一般に、ＬＥＤヘッドは、図５及び図６
に示すように、レンズアレイ３１と、レンズアレイ３１
を保持するレンズホルダ３２と、レンズホルダ３２の下
部に取付けられ、発光用のＬＥＤ素子列やその駆動回路
等を実装した回路基板３３と、レンズホルダ３２及び回
路基板３３を支持する放熱兼用の放熱板（支持体）３４
とを備える。レンズアレイ３１は、回路基板３３上のＬ
ＥＤ素子列からの光を外部に導出する長手状のものであ
る。又、レンズホルダ３２と回路基板３３を放熱板３４
に保持するために、レンズホルダ３２に爪３２ａを設
け、図示のような形状の取付金具３５の穴３５ａに爪３
２ａを嵌め込み、取付金具３５によってレンズホルダ３
２、回路基板３３、放熱板３４を一体に固定している。2. Description of the Related Art In general, LED heads are shown in FIGS.
, The lens array 31 and the lens array 31
A lens holder 32 that holds the lens holder 32, a circuit board 33 that is attached to the lower part of the lens holder 32 and mounts an LED element array for light emission, a drive circuit for the LED element row, and the like, and heat dissipation that also supports the lens holder 32 and the circuit board 33. Plate (support) 34
With. The lens array 31 is L on the circuit board 33.
It is a long one that guides the light from the ED element array to the outside. In addition, the lens holder 32 and the circuit board 33 are connected to the heat dissipation plate 34.
The lens holder 32 is provided with a claw 32a for holding the claw 3a in the hole 35a of the mounting bracket 35 having a shape as shown in the drawing.
2a is fitted, and the lens holder 3 is attached by the mounting bracket 35.
2. The circuit board 33 and the heat sink 34 are integrally fixed.
【０００３】[0003]
【発明が解決しようとする課題】ところで、この種のＬ
ＥＤヘッドは回路基板３３を外部コントロール基板等に
接続して使用するものであるが、そのために、回路基板
３３の裏面にはコネクタ３６が取付けられている（図５
参照）。更に、このコネクタ３６を放熱板３４の裏側に
露出させるために、図７に示すように、放熱板３４には
貫通孔３４ａが形成されている。しかしながら、これだ
とコネクタ３６を必要とする上に、放熱板３４にコネク
タ用の貫通孔３４ａを穿設したりするなどの加工を施さ
なければならず、部品点数が増えるばかりか、コスト高
になる。By the way, this type of L
The ED head is used by connecting the circuit board 33 to an external control board or the like, and for this reason, a connector 36 is attached to the back surface of the circuit board 33 (FIG. 5).
reference). Further, in order to expose the connector 36 to the back side of the heat dissipation plate 34, a through hole 34a is formed in the heat dissipation plate 34 as shown in FIG. However, this requires not only the connector 36 but also processing such as forming a through hole 34a for the connector in the heat dissipation plate 34, which not only increases the number of parts but also increases the cost. Become.
【０００４】従って、本発明の目的は、コネクタを使用
しなくても回路基板を外部コントロール基板等に接続で
きるようにしたＬＥＤヘッドを提供することにある。Therefore, it is an object of the present invention to provide an LED head capable of connecting a circuit board to an external control board or the like without using a connector.
【０００５】[0005]
【課題を解決するための手段】前記目的を達成するため
に、本発明のＬＥＤヘッドは、従来のＬＥＤヘッドにお
いて、回路基板の一部分をレンズホルダよりも突出さ
せ、この突出部分を外部接続用端子としたことを特徴と
する。この構成により、外部コントロール基板等との接
続は、回路基板の突出部分にて行うことができるように
なり、コネクタは不要となり、放熱板にコネクタ用の貫
通孔を形成するなどの加工も必要ない。To achieve the above object, in the LED head of the present invention, in the conventional LED head, a part of the circuit board is made to project from the lens holder, and this projecting part is used as an external connection terminal. It is characterized by With this configuration, connection with an external control board or the like can be performed at the protruding portion of the circuit board, a connector is not required, and processing such as forming a through hole for a connector in the heat dissipation plate is not required. ..
【０００６】[0006]
【実施例】以下、本発明のＬＥＤヘッドを実施例に基づ
いて説明する。その一実施例に係るＬＥＤヘッドの側面
図を図１に、その一部斜視図を図２に示す。このＬＥＤ
ヘッドは、レンズアレイ１と、レンズアレイ１を保持す
るレンズホルダ２と、レンズホルダ２の下部に取付けら
れ、発光用のＬＥＤ素子列やその駆動回路等を搭載した
回路基板３と、レンズホルダ２及び回路基板３を固定支
持する放熱兼用の放熱板（支持体）４とを備える。又、
レンズホルダ２、回路基板３、及び放熱板４は、取付金
具５で一体に固定されている。EXAMPLES The LED head of the present invention will be described below based on examples. FIG. 1 is a side view of the LED head according to the embodiment, and FIG. 2 is a partial perspective view thereof. This LED
The head includes a lens array 1, a lens holder 2 that holds the lens array 1, a circuit board 3 that is attached to a lower portion of the lens holder 2, and that mounts an LED element array for light emission and a drive circuit thereof, and the lens holder 2. And a heat dissipation plate (support) 4 also serving as heat dissipation for fixing and supporting the circuit board 3. or,
The lens holder 2, the circuit board 3, and the heat dissipation plate 4 are integrally fixed by a mounting member 5.
【０００７】この実施例では、取付金具５は、開放先端
を内側に向けて屈曲させた折り曲げ片５ａ、５ｂを有
し、この折り曲げ片５ａ、５ｂを、レンズホルダ２の長
手方向の上端縁に沿って内向きに傾斜させた傾斜面２
ａ、２ｂに係止させることにより、レンズホルダ２を回
路基板３と共に放熱板４に一体に固定してある。但し、
本例では、取付金具５は、放熱板４の両端部及び中央部
に全部で３個使用されている（図４参照）。In this embodiment, the mounting member 5 has bending pieces 5a and 5b whose open ends are bent inward. Inclined surface 2 inclined inward along
The lens holder 2 is integrally fixed to the heat radiating plate 4 together with the circuit board 3 by being locked to a and 2b. However,
In this example, three mounting members 5 are used at both ends and the central portion of the heat dissipation plate 4 (see FIG. 4).
【０００８】回路基板３の一端部３ａは、これを支える
放熱板４の一端部４ａと共にレンズホルダ２よりも長手
方向に突出しており、この突出部分３ａが外部接続用端
子として機能する。従って、突出部分３ａ上には、ＬＥ
Ｄ素子列や駆動回路に導通する所定の導体パターン６が
形成され、この導体パターン６に後述のフレキシブルフ
ラットケーブル等が接続される。なお、回路基板３の他
端部はレンズホルダ２から突出しておらず、従来どおり
である（図４参照）。The one end 3a of the circuit board 3 and the one end 4a of the heat dissipation plate 4 supporting the circuit board 3 project in the longitudinal direction from the lens holder 2, and the projecting portion 3a functions as an external connection terminal. Therefore, on the protruding portion 3a, LE
A predetermined conductor pattern 6 that is electrically connected to the D element array and the drive circuit is formed, and a flexible flat cable or the like described later is connected to this conductor pattern 6. The other end of the circuit board 3 does not project from the lens holder 2 and is the same as the conventional one (see FIG. 4).
【０００９】突出部分３ａ上の導体パターン６には、例
えば図３に示すようなフレキシブルフラットケーブル１
２の一端に設けられた接続部１３を半田付けにより接続
する。ケーブル１２の他端は、外部コントロール基板１
０に取付けられたコネクタ１１に接続されている。勿
論、接続部１３と導体パターン６との入出力信号系は予
め適当に設定されている。参考までに、ケーブル１２を
突出部分３ａに接続した状態のＬＥＤヘッドの平面図、
正面図、底面図を、それぞれ図４の（ａ）、（ｂ）、
（ｃ）に示す。The conductor pattern 6 on the protruding portion 3a has a flexible flat cable 1 as shown in FIG.
The connection portion 13 provided at one end of 2 is connected by soldering. The other end of the cable 12 is connected to the external control board 1
It is connected to the connector 11 attached to 0. Of course, the input / output signal system between the connecting portion 13 and the conductor pattern 6 is set appropriately beforehand. For reference, a plan view of the LED head with the cable 12 connected to the protruding portion 3a,
A front view and a bottom view are shown in FIG. 4 (a), (b),
It shows in (c).
【００１０】なお、上記実施例では、回路基板３の突出
部分３ａにフレキシブルフラットケーブルを接続した
が、突出部分３ａに接続可能であれば、これに限定され
ることはなく、例えば導体パターン６にピンを当接して
もよいし、或いは外部コントロール基板を直接接続して
も構わない。Although the flexible flat cable is connected to the projecting portion 3a of the circuit board 3 in the above embodiment, it is not limited to this as long as it can be connected to the projecting portion 3a. The pins may abut or the external control board may be directly connected.
【００１１】[0011]
【発明の効果】以上説明したように、本発明のＬＥＤヘ
ッドは、回路基板の一部分をレンズホルダよりも突出さ
せて、この突出部分を外部接続用端子としたため、下記
の効果を奏する。 （１）コネクタが不要となる上に、支持体（放熱板）に
コネクタ用の貫通孔を形成するなどの加工を施す必要が
ない。従って、部品点数の低減、コスト削減を図れる。 （２）実施例に示すように回路基板の突出部分にフレキ
シブルケーブルを接続した場合、外部コントロール基板
等との接続場所を自由に選べるようになり、ＬＥＤヘッ
ドを組み込む電子機器内のレイアウトの自由度が高ま
る。As described above, the LED head of the present invention has the following effects because a part of the circuit board is projected from the lens holder and the projected part is used as the external connection terminal. (1) In addition to the need for a connector, there is no need to perform processing such as forming a through hole for a connector in a support (heat dissipation plate). Therefore, the number of parts and the cost can be reduced. (2) When the flexible cable is connected to the protruding portion of the circuit board as shown in the embodiment, the connection location with the external control board or the like can be freely selected, and the degree of freedom of layout in the electronic device incorporating the LED head. Will increase.
【図１】本発明の一実施例に係るＬＥＤヘッドの側面図
である。FIG. 1 is a side view of an LED head according to an embodiment of the present invention.
【図２】図１に示すＬＥＤヘッドの一部斜視部である。FIG. 2 is a partial perspective view of the LED head shown in FIG.
【図３】図１に示すＬＥＤヘッドにおける回路基板の突
出部分に接続するフレキシブルフラットケーブルを示す
一部省略斜視図である。FIG. 3 is a partially omitted perspective view showing a flexible flat cable connected to a protruding portion of a circuit board in the LED head shown in FIG.
【図４】図１に示すＬＥＤヘッドにおける回路基板の突
出部分にフレキシブルフラットケーブルを接続した状態
を示す平面図（ａ）、正面図（ｂ）、底面図（ｃ）であ
る。FIG. 4 is a plan view (a), a front view (b) and a bottom view (c) showing a state in which a flexible flat cable is connected to a protruding portion of a circuit board in the LED head shown in FIG.
【図５】従来例に係るＬＥＤヘッドの側面図である。FIG. 5 is a side view of an LED head according to a conventional example.
【図６】図５に示すＬＥＤヘッドの一部斜視図である。6 is a partial perspective view of the LED head shown in FIG.
【図７】図５に示すＬＥＤヘッドの一部底面図である。7 is a partial bottom view of the LED head shown in FIG.
１ レンズアレイ ２ レンズホルダ ３ 回路基板 ３ａ 回路基板の突出部分 ４ 放熱板（支持体） ６ 導体パターン １２ フレキシブルフラットケーブル 1 Lens Array 2 Lens Holder 3 Circuit Board 3a Projected Part of Circuit Board 4 Heat Dissipating Plate (Support) 6 Conductor Pattern 12 Flexible Flat Cable
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.5 識別記号 庁内整理番号 ＦＩ 技術表示箇所 Ｈ０１Ｌ 33/00 Ｈ 8934−4Ｍ ─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. 5 Identification code Office reference number FI technical display location H01L 33/00 H 8934-4M
Claims (1)
レンズホルダと、レンズホルダに取付けられ、ＬＥＤ素
子列を有する回路基板と、レンズホルダ及び回路基板を
支持する支持体とを備えるＬＥＤヘッドにおいて、 前記回路基板の一部分をレンズホルダよりも突出させ、
この突出部分を外部接続用端子としたことを特徴とする
ＬＥＤヘッド。1. An LED head comprising a lens array, a lens holder for holding the lens array, a circuit board attached to the lens holder and having an LED element array, and a support for supporting the lens holder and the circuit board. Part of the circuit board is projected from the lens holder,
An LED head characterized in that the protruding portion is used as a terminal for external connection.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP376892A JPH05185650A (en) | 1992-01-13 | 1992-01-13 | Led head |
| KR1019920014618A KR100200974B1 (en) | 1992-01-13 | 1992-08-14 | L.e.d head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP376892A JPH05185650A (en) | 1992-01-13 | 1992-01-13 | Led head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH05185650A true JPH05185650A (en) | 1993-07-27 |
Family
ID=11566352
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP376892A Pending JPH05185650A (en) | 1992-01-13 | 1992-01-13 | Led head |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JPH05185650A (en) |
| KR (1) | KR100200974B1 (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006076149A (en) * | 2004-09-09 | 2006-03-23 | Fuji Xerox Co Ltd | Print head and image forming device |
| JP2010062556A (en) * | 2008-09-01 | 2010-03-18 | Samsung Electro-Mechanics Co Ltd | Light-emitting module |
| JP2011213118A (en) * | 2010-04-01 | 2011-10-27 | Toshiba Corp | Optical head and image forming apparatus |
| US8388177B2 (en) | 2008-09-01 | 2013-03-05 | Samsung Electronics Co., Ltd. | Light emitting module |
| JP2018054724A (en) * | 2016-09-27 | 2018-04-05 | 株式会社沖データ | Engagement release mechanism, lens unit, print head, reading head, exposure device, image formation device and image reading device |
| CN108628127A (en) * | 2017-03-22 | 2018-10-09 | 柯尼卡美能达株式会社 | Optical writing device and image forming apparatus |
-
1992
- 1992-01-13 JP JP376892A patent/JPH05185650A/en active Pending
- 1992-08-14 KR KR1019920014618A patent/KR100200974B1/en not_active IP Right Cessation
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006076149A (en) * | 2004-09-09 | 2006-03-23 | Fuji Xerox Co Ltd | Print head and image forming device |
| JP4539247B2 (en) * | 2004-09-09 | 2010-09-08 | 富士ゼロックス株式会社 | Image forming apparatus |
| JP2010062556A (en) * | 2008-09-01 | 2010-03-18 | Samsung Electro-Mechanics Co Ltd | Light-emitting module |
| US8388177B2 (en) | 2008-09-01 | 2013-03-05 | Samsung Electronics Co., Ltd. | Light emitting module |
| US8668352B2 (en) | 2008-09-01 | 2014-03-11 | Samsung Electronics Co., Ltd. | Light emitting module |
| JP2011213118A (en) * | 2010-04-01 | 2011-10-27 | Toshiba Corp | Optical head and image forming apparatus |
| JP2018054724A (en) * | 2016-09-27 | 2018-04-05 | 株式会社沖データ | Engagement release mechanism, lens unit, print head, reading head, exposure device, image formation device and image reading device |
| CN108628127A (en) * | 2017-03-22 | 2018-10-09 | 柯尼卡美能达株式会社 | Optical writing device and image forming apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| KR100200974B1 (en) | 1999-06-15 |
| KR930016246A (en) | 1993-08-26 |
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