JPH06148629A - Backlight device for liquid crystal display - Google Patents

Backlight device for liquid crystal display

Info

Publication number
JPH06148629A
JPH06148629A JP4303529A JP30352992A JPH06148629A JP H06148629 A JPH06148629 A JP H06148629A JP 4303529 A JP4303529 A JP 4303529A JP 30352992 A JP30352992 A JP 30352992A JP H06148629 A JPH06148629 A JP H06148629A
Authority
JP
Japan
Prior art keywords
liquid crystal
printed wiring
crystal display
lead wire
land
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
JP4303529A
Other languages
Japanese (ja)
Other versions
JP2848163B2 (en
Inventor
Masao Kobayashi
正夫 小林
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP4303529A priority Critical patent/JP2848163B2/en
Publication of JPH06148629A publication Critical patent/JPH06148629A/en
Application granted granted Critical
Publication of JP2848163B2 publication Critical patent/JP2848163B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Liquid Crystal (AREA)

Abstract

PURPOSE:To connect the lead wire of a backlight to a printed wiring board without soldering the lead wire. CONSTITUTION:The lead wire 11a of the backlight 11 is arranged on the same plane as the printed wiring land 12a of a liquid crystal display 12, and a photosensitive rubber connector 13 is sandwitched between the lead wire 11a of the backlight 11, the printed wiring land 12a of the display 12, and the printed wiring board 14. At such a time, the lead wire 11a of the backlight 11 is connected to the printed wiring land 14b for the backlight provided on the board 14 simultaneously with connecting the printed wiring land 12a of the display 12 with the printed wiring land 14a provided on the board 14 by the connector 13.

Description

【発明の詳細な説明】Detailed Description of the Invention

【0001】[0001]

【産業上の利用分野】本発明は、液晶ディスプレイを背
面から照明する液晶ディスプレイ用バックライト装置に
関する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a liquid crystal display backlight device for illuminating a liquid crystal display from the back.

【0002】[0002]

【従来の技術】図3は従来の液晶ディスプレイ用バック
ライト装置の概略の構成を示す組立前の斜視図である。
図3において、発光部21は発光ダイオード等の手段で
発光し、液晶ディスプレイ22の背面から光を照射す
る。液晶ディスプレイ22のリード線の印刷配線ランド
22aに導電ゴムコネクタ23の上面が接し、導電ゴム
コネクタ23の下面は印刷配線板24の上面に設けられ
た印刷配線のランド24aに接する。導電ゴムコネクタ
23は弾性を持った材料からなり、厚さ方向の中央部に
は導電性の細い繊維が縦方向に多数束ねて互いに絶縁さ
れて埋め込まれている。したがって印刷配線ランド22
aと印刷配線板24のランド24aは導電ゴムコネクタ
23を介して対応するものがそれぞれ接続される。また
発光部21のリード線21aは印刷配線板24に設けら
れたランド24bの孔に挿入され半田付けにより接続さ
れ、給電されて発光し、発光部21の上に接近している
液晶ディスプレイ22を照明することができる。
2. Description of the Related Art FIG. 3 is a perspective view of a conventional backlight device for a liquid crystal display before assembly, showing a schematic structure thereof.
In FIG. 3, the light emitting unit 21 emits light by means of a light emitting diode or the like, and emits light from the back surface of the liquid crystal display 22. The upper surface of the conductive rubber connector 23 contacts the printed wiring land 22a of the lead wire of the liquid crystal display 22, and the lower surface of the conductive rubber connector 23 contacts the land 24a of the printed wiring provided on the upper surface of the printed wiring board 24. The conductive rubber connector 23 is made of a material having elasticity, and a large number of conductive thin fibers are bundled in the longitudinal direction and insulated and embedded in the central portion in the thickness direction. Therefore, the printed wiring land 22
A and the land 24a of the printed wiring board 24 are connected to each other via the conductive rubber connector 23. In addition, the lead wire 21a of the light emitting portion 21 is inserted into the hole of the land 24b provided on the printed wiring board 24 and connected by soldering. Can be illuminated.

【0003】[0003]

【発明が解決しようとする課題】しかしながら、上記従
来の液晶ディスプレイ用バックライト装置では、組立時
に発光部21のリード線21aを印刷配線板24のラン
ド24bへ半田付けし、さらに液晶ディスプレイ22の
ランド22aに導電ゴムコネクタ23で接続させること
が必要で、工程が複雑であり、修理の際の交換にも手間
を要するという問題を有していた。
However, in the above-described conventional backlight device for a liquid crystal display, the lead wire 21a of the light emitting portion 21 is soldered to the land 24b of the printed wiring board 24 during assembly, and the land of the liquid crystal display 22 is further mounted. 22a needs to be connected to the conductive rubber connector 23, the process is complicated, and replacement at the time of repair requires labor.

【0004】本発明はこのような従来の問題を解決する
ものであり、組立、部品交換などが容易にできる優れた
液晶ディスプレイ用バックライト装置を提供することを
目的とする。
SUMMARY OF THE INVENTION The present invention solves the above-mentioned conventional problems, and an object of the present invention is to provide an excellent backlight device for a liquid crystal display, which can be easily assembled and replaced.

【0005】[0005]

【課題を解決するための手段】上記目的を達成するため
に本発明の液晶ディスプレイ用バックライト装置は、発
光部のリード線を液晶ディスプレイの印刷配線ランドと
同一平面内に設け、液晶ディスプレイとともに導電ゴム
コネクタにより印刷配線板に接続できるようにしたもの
である。
In order to achieve the above object, in a backlight device for a liquid crystal display of the present invention, a lead wire of a light emitting portion is provided in the same plane as a printed wiring land of the liquid crystal display, and is electrically conductive together with the liquid crystal display. The rubber connector allows connection to the printed wiring board.

【0006】[0006]

【作用】この構成によって、組立時や部品交換時に半田
付けを要せずに、容易に発光部の取り付け、取り外しを
することができる。
With this structure, the light emitting portion can be easily attached and detached without soldering at the time of assembly or replacement of parts.

【0007】[0007]

【実施例】以下本発明の一実施例について図面を参照し
ながら説明する。
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings.

【0008】図1は本発明の一実施例の概略構成を示す
組立前の斜視図であり、図2は同実施例の概略構成を示
す正面断面図である。図1及び図2において、発光部1
1は発光ダイオード等の手段で発光し、液晶ディスプレ
イ12の背面から光を照射する。液晶ディスプレイ12
のリード線の印刷配線ランド12aに導電ゴムコネクタ
13の上面が接し、導電ゴムコネクタ13の下面は印刷
配線板14の上面に設けられた印刷配線のランド14a
に接する。導電ゴムコネクタ13は弾性を持った材料か
らなり、厚さ方向の中央部には導電性の細い繊維が縦方
向に多数束ねて互いに絶縁されて埋め込まれている。従
って印刷配線ランド12aと印刷配線板14のランド1
4aは導電ゴムコネクタ13を介して対応するものがそ
れぞれ接続される。また発光部11のリード線11aは
組立られたとき液晶ディスプレイ12のリード線の印刷
配線ランド12aと同一の平面内に配置され、導電ゴム
コネクタ13によって印刷配線板14に設けられたラン
ド14bに接続され、給電されて発光し、発光部11の
上に接近している液晶ディスプレイ12を照明すること
ができる。
FIG. 1 is a perspective view before assembly showing a schematic structure of an embodiment of the present invention, and FIG. 2 is a front sectional view showing a schematic structure of the embodiment. 1 and 2, the light emitting unit 1
1 emits light by means of a light emitting diode or the like and emits light from the back surface of the liquid crystal display 12. LCD display 12
The upper surface of the conductive rubber connector 13 is in contact with the printed wiring land 12a of the lead wire, and the lower surface of the conductive rubber connector 13 is a printed wiring land 14a provided on the upper surface of the printed wiring board 14.
Touch. The conductive rubber connector 13 is made of an elastic material, and a large number of conductive thin fibers are bundled in the longitudinal direction and insulated and embedded in the central portion in the thickness direction. Therefore, the printed wiring land 12a and the land 1 of the printed wiring board 14 are
Corresponding parts 4a are respectively connected via the conductive rubber connector 13. When assembled, the lead wire 11a of the light emitting portion 11 is arranged in the same plane as the printed wiring land 12a of the lead wire of the liquid crystal display 12, and is connected to the land 14b provided on the printed wiring board 14 by the conductive rubber connector 13. The liquid crystal display 12 can be illuminated by being supplied with power and emitting light to approach the light emitting unit 11.

【0009】[0009]

【発明の効果】以上のように本発明は、液晶ディスプレ
イを背面から照明する発光手段へ給電するリード線と液
晶ディスプレイのリード線とを同一の平面内に配置し、
前記各リード線に弾力をもって接触する導電性の繊維束
手段によって各リード線とその各リード線と対応する印
刷配線板のランドとを接続したものであり、この構成に
よって、発光手段の接続に半田付けを要せず、組立や部
品交換の容易な優れた液晶ディスプレイ用バックライト
装置を実現できるものである。
As described above, according to the present invention, the lead wire for supplying power to the light emitting means for illuminating the liquid crystal display from the back and the lead wire of the liquid crystal display are arranged in the same plane,
Each lead wire and each land of the printed wiring board corresponding to each lead wire are connected by a conductive fiber bundle means that elastically contacts each of the lead wires. It is possible to realize an excellent backlight device for a liquid crystal display which is easy to assemble and replace parts without requiring attachment.

【図面の簡単な説明】[Brief description of drawings]

【図1】本発明の液晶ディスプレイ用バックライト装置
の一実施例の概略構成を示す組立前の斜視図
FIG. 1 is a perspective view before assembly showing a schematic configuration of an embodiment of a backlight device for a liquid crystal display of the present invention.

【図2】同実施例の概略構成を示す正面断面図FIG. 2 is a front sectional view showing a schematic configuration of the same embodiment.

【図3】従来の液晶ディスプレイ用バックライト装置の
概略の構成を示す組立前の斜視図
FIG. 3 is a perspective view before assembly showing a schematic configuration of a conventional backlight device for a liquid crystal display.

【符号の説明】[Explanation of symbols]

11 発光部(発光手段) 11a 発光部のリード線(発光手段へ給電するリード
線) 12 液晶ディスプレイ 12a 印刷配線ランド(リード線) 13 導電ゴムコネクタ(弾力をもって接触する導電性
の繊維束手段) 14 印刷配線板 14a,14b ランド
11 light emitting part (light emitting means) 11a lead wire of the light emitting part (lead wire for supplying power to the light emitting means) 12 liquid crystal display 12a printed wiring land (lead wire) 13 conductive rubber connector (conductive fiber bundle means for elastic contact) 14 Printed wiring board 14a, 14b Land

Claims (1)

【特許請求の範囲】[Claims] 【請求項1】液晶ディスプレイを背面から照明する発光
手段へ給電するリード線と前記液晶ディスプレイのリー
ド線とを同一の平面内に配置し、前記各リード線に弾力
をもって接触する導電性の繊維束手段によって前記各リ
ード線とその各リード線と対応する印刷配線板のランド
とを接続したことを特徴とする液晶ディスプレイ用バッ
クライト装置。
1. A conductive fiber bundle in which a lead wire for supplying power to a light emitting means for illuminating a liquid crystal display from the rear side and a lead wire for the liquid crystal display are arranged in the same plane and elastically contacting each lead wire. A backlight device for a liquid crystal display, characterized in that each lead wire and each land of the printed wiring board corresponding to each lead wire are connected by means.
JP4303529A 1992-11-13 1992-11-13 Backlight device for liquid crystal display Expired - Fee Related JP2848163B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4303529A JP2848163B2 (en) 1992-11-13 1992-11-13 Backlight device for liquid crystal display

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4303529A JP2848163B2 (en) 1992-11-13 1992-11-13 Backlight device for liquid crystal display

Publications (2)

Publication Number Publication Date
JPH06148629A true JPH06148629A (en) 1994-05-27
JP2848163B2 JP2848163B2 (en) 1999-01-20

Family

ID=17922091

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4303529A Expired - Fee Related JP2848163B2 (en) 1992-11-13 1992-11-13 Backlight device for liquid crystal display

Country Status (1)

Country Link
JP (1) JP2848163B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4833940A (en) * 1987-02-06 1989-05-30 Toyota Jidosha Kabushiki Kaisha Crankshaft for a 90 degree V-type eight-cylinder internal combustion engine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4833940A (en) * 1987-02-06 1989-05-30 Toyota Jidosha Kabushiki Kaisha Crankshaft for a 90 degree V-type eight-cylinder internal combustion engine

Also Published As

Publication number Publication date
JP2848163B2 (en) 1999-01-20

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