JPS62289815A - Liquid crystal display device - Google Patents
Liquid crystal display deviceInfo
- Publication number
- JPS62289815A JPS62289815A JP13347586A JP13347586A JPS62289815A JP S62289815 A JPS62289815 A JP S62289815A JP 13347586 A JP13347586 A JP 13347586A JP 13347586 A JP13347586 A JP 13347586A JP S62289815 A JPS62289815 A JP S62289815A
- Authority
- JP
- Japan
- Prior art keywords
- substrate
- liquid crystal
- crystal display
- display device
- circuit board
- 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
- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 41
- 239000000758 substrate Substances 0.000 claims abstract description 22
- 239000004642 Polyimide Substances 0.000 abstract description 2
- 229920001721 polyimide Polymers 0.000 abstract description 2
- 239000011248 coating agent Substances 0.000 abstract 2
- 238000000576 coating method Methods 0.000 abstract 2
- 238000007789 sealing Methods 0.000 abstract 2
- 238000005452 bending Methods 0.000 abstract 1
- 238000000059 patterning Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 5
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 239000003973 paint Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/03—Use of materials for the substrate
- H05K1/0393—Flexible materials
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/36—Assembling printed circuits with other printed circuits
- H05K3/361—Assembling flexible printed circuits with other printed circuits
Landscapes
- Liquid Crystal (AREA)
Abstract
Description
【発明の詳細な説明】
３、発明の詳細な説明
〔産業上の利用分野〕
本発明は、液晶表示装置の液晶表示パネルと接続される
フレキシブル回路基板の構造及びそれを用いた液晶表示
装置の構造に関する。Detailed Description of the Invention 3. Detailed Description of the Invention [Field of Industrial Application] The present invention relates to the structure of a flexible circuit board connected to a liquid crystal display panel of a liquid crystal display device, and the structure of a liquid crystal display device using the same. Regarding structure.
（従来の技術〕
１枚のフレキシブル基板よりなる従来方式の液晶表示装
置の構造を第６．７図に示す、第６図は液晶駆動用ＩＣ
２を実装した液晶パネル１と、コモン及びセグメント電
極接続用フレキシブル回路基板１２を接続した液晶表示
装置の構造である。(Prior Art) Figure 6.7 shows the structure of a conventional liquid crystal display device consisting of one flexible substrate. Figure 6 shows a liquid crystal driving IC.
2 is a structure of a liquid crystal display device in which a liquid crystal panel 1 mounted with a 2-mounted device and a flexible circuit board 12 for connecting common and segment electrodes are connected.
第７図は、液晶パネル９と、駆動用！０１２等を実装し
た１枚からなるフレキシブル回路基板１３を接続した液
晶表示装置の構造である。Figure 7 shows the liquid crystal panel 9 and the drive! This is the structure of a liquid crystal display device to which a single flexible circuit board 13 mounted with 012 or the like is connected.
薄型化、小型化あるいは、バックライトによる照明機構
の付与等の目的で、フレキシブル回路基板を用いた液晶
表示袋まが増加の傾向にある。Liquid crystal display panels using flexible circuit boards are on the rise for the purpose of thinning, downsizing, or adding an illumination mechanism with a backlight.
しかし、前述の従来技術では下記の問題点を存する。 However, the above-mentioned conventional technology has the following problems.
７レー１−シプル基板１２．１４の液晶パネル１．９へ
の入力端子部（図６．７のハンチング部）は、コモンと
セグメント電極でたがいに表裏反対面に形成される。こ
のため、基板の両面に端子部を構成せねばならない、導
電接着剤でパネル端子との接続をとる方式においては、
基板の両面に、導電接着剤を印刷する必要がある等によ
り、基板のコストが高くなる。さらに、フレキシブル回
路基板１２．１４をその原材料より材料取りする際、基
板形状がＬ字形のため、材料取り効率が悪くなり製造コ
ストが高くなる。The input terminal portion (hunting portion in FIG. 6.7) of the 7-ray 1-ciple substrate 12.14 to the liquid crystal panel 1.9 is formed with common and segment electrodes on opposite sides of each other. For this reason, in the method of connecting to panel terminals using conductive adhesive, which requires forming terminals on both sides of the board,
The need to print conductive adhesive on both sides of the substrate increases the cost of the substrate. Furthermore, when the flexible circuit boards 12, 14 are extracted from their raw materials, the L-shaped board shape reduces the efficiency of material extraction and increases manufacturing costs.
本発明は、かかる問題点を解決するもので、その目的と
するところは、安価で薄型、小型の液晶表示装置を提供
するところにある。The present invention is intended to solve these problems, and its purpose is to provide an inexpensive, thin, and compact liquid crystal display device.
本発明の液晶表示表示装置は、コモン電極用信号とセグ
メント電極用信号が、上又は下パネルガラスより引き出
されている同装置において、１）１枚のフレキシブルな
回路基板で、上下パネル基板の電極と接続をとることを
特徴とする。In the liquid crystal display device of the present invention, in which the common electrode signal and the segment electrode signal are extracted from the upper or lower panel glass, 1) the electrodes of the upper and lower panel substrates are connected to one flexible circuit board; It is characterized by connecting with.
２）上記フレキシブルな回路基板は、片側の表面に、パ
ネル基板にもうけられたセグメント及びコモン接続用電
極と導通をとるための電極端子をもち、回路基板の途中
で折り曲げられて、それぞれ上下パネル基板の！極と接
続をとることを特徴とする。2) The above flexible circuit board has an electrode terminal on one surface for establishing conduction with the segment and common connection electrodes provided on the panel board, and is bent in the middle of the circuit board to connect the upper and lower panel boards, respectively. of! It is characterized by making connections with poles.
第１図は、液晶駆動用ＩＣ２等をガラス基板上に実装し
た液晶パネルｌに本発明を実施した例である。第２図に
示される１枚よりなるフレキシブル回路基板３を、Ａ−
Ａ ’部で折り曲げ、第１図に示されるコモン１を極部
（ハンチング部４）及びセグメント電橿部（ハンチング
部５）に、位置合せし、接続をとる。フレキシブル回路
基板３が、例えば１．ポリイミド、ポリエステル等のフ
ィルムに金属膜又は導電塗料によりパターニングされて
いる場合、はんだづけ、異方性２］１ｉ膜、異方性導電
塗料等により液晶表示パネルｌと接合される。FIG. 1 shows an example in which the present invention is applied to a liquid crystal panel l in which a liquid crystal driving IC 2 and the like are mounted on a glass substrate. The flexible circuit board 3 made of one sheet shown in FIG.
Bend it at the A' part, align the common 1 shown in FIG. 1 with the pole part (hunting part 4) and the segment cable part (hunting part 5), and make the connection. The flexible circuit board 3 is, for example, 1. When a film of polyimide, polyester, etc. is patterned with a metal film or conductive paint, it is joined to the liquid crystal display panel l by soldering, an anisotropic 2]1i film, an anisotropic conductive paint, or the like.
又、フレキシブル回路基板３が、ヒートシール基板の場
合は、ヒートシール導電塗料により液晶表示パネルと接
合される。第１図、第２図より明らかな様にフレキシブ
ル回路基板３の出力端子部４．５は、その片側の面（第
２図では表面）に配されている。又、フレキシブル回路
基板３の展開形状は、第２図に示される様に、はぼ長方
形のシンプルな形状である。Further, when the flexible circuit board 3 is a heat-sealed board, it is bonded to the liquid crystal display panel using a heat-sealed conductive paint. As is clear from FIGS. 1 and 2, the output terminal section 4.5 of the flexible circuit board 3 is arranged on one side (the front surface in FIG. 2). Further, the developed shape of the flexible circuit board 3 is a simple rectangular shape, as shown in FIG.
薄型の液晶表示装置を希望する場合には、第１図の状態
で、装置本体に組み込めば目的を達成する事ができる。If a thin liquid crystal display device is desired, the purpose can be achieved by incorporating it into the main body of the device in the state shown in FIG.
又、小型の液晶表示装置を希望する場合には、第３図に
示す様に、フレキシブル回路基板３を液晶パネル１の上
に折りたたむ事により外形寸法の小さな液晶表示装置を
得る事ができる。又、本構造によれば、バックライト照
明を用いた液晶表示装置への対応も可能である９以上、
液晶表示パネル上に駆動用ＩＣ等を実装した例を示した
が、駆動用ＩＣ１１等をフレキシブル回路基板上に実装
した実施例を図４に示す、第５図に示される１枚よりな
る駆動用ｒｃｌｌ等が実装されたフレキシブル回路基板
１０を、Ｂ−Ｂ ’部で折り曲げ前記実施例と同様に、
液晶表示パネルのコモン及びセグメント電極と位置合せ
接合させる。Furthermore, if a small-sized liquid crystal display device is desired, a liquid crystal display device with small external dimensions can be obtained by folding the flexible circuit board 3 onto the liquid crystal panel 1 as shown in FIG. In addition, according to this structure, it is possible to support liquid crystal display devices using backlight illumination.
Although we have shown an example in which the driving IC etc. are mounted on a liquid crystal display panel, an example in which the driving IC 11 etc. are mounted on a flexible circuit board is shown in FIG. 4, and as shown in FIG. The flexible circuit board 10 on which the rcll etc. are mounted is bent at the B-B' portion and as in the previous embodiment,
Align and connect with the common and segment electrodes of the liquid crystal display panel.
フレキシブル回路基板１０は、第５図に示される様にシ
ンプルな形状であり、その出力端子部４．５は、その片
側の面に配されている。又、フレキシブル回路基板を前
記実施例と同様に折りたたみ、外形寸法の小さな液晶表
示装置を得る事ができる。The flexible circuit board 10 has a simple shape as shown in FIG. 5, and its output terminal portion 4.5 is arranged on one side thereof. Further, by folding the flexible circuit board in the same manner as in the above embodiment, it is possible to obtain a liquid crystal display device with a small external size.
以上述べた様に、本発明により以下の効果を得る事がで
きる。As described above, the following effects can be obtained by the present invention.
１、フレキシブル回路基板の材料取り効率を高くする事
ができる。1. Material removal efficiency for flexible circuit boards can be increased.
２、導電接着剤はんだペースト等の印刷面は、片面とな
るため、印刷工数を減らせる。2. Since the printed surface of conductive adhesive solder paste etc. is single-sided, the number of printing steps can be reduced.
３、′３型、小型のコンパクトな液晶表示ｉｆを得る事
ができる。It is possible to obtain a 3,'3-inch, small and compact liquid crystal display if.
第１図は本発明による液晶表示装置の構造図で、液晶パ
ネルに駆動用ＩＣ等が実装されている場合を示す図。
第２図は第１図に用いられるフレキシブル回路基板の展
開図。
第３図は本発明により液晶表示装置で、フレキシプル回
路基板を折りたたんだ状態を示す図（本図は、裏面図で
ある）。
第４図は本発明による液晶表示装置の構造図で、フレキ
シブル回路基板上に駆動用ＩＣ等が実装されている場合
を示す図。
第５図は第４図に用いられるフレキシブル回路基板の展
開図。
第６図は従来方式による液晶表示装置の構造図で、液晶
パネルに駆動用ＩＣが実装されている場合を示す図。
第７図は、フレキシブル回路基板に駆動用ＩＣが実装さ
れた従来方式の液晶表示装置を示す図。
以 上
出願人 セイコーエプソン株式会社
１３１！ｉ
４ り七ン巳力婢千
５ 姐デメレト敷カーｎ条
６オペアンプ
７コンテ゛シ号
第５図
７液晶バ和しFIG. 1 is a structural diagram of a liquid crystal display device according to the present invention, showing a case where a driving IC and the like are mounted on a liquid crystal panel. FIG. 2 is a developed view of the flexible circuit board used in FIG. 1. FIG. 3 is a diagram showing a folded state of the flexible circuit board in a liquid crystal display device according to the present invention (this figure is a back view). FIG. 4 is a structural diagram of a liquid crystal display device according to the present invention, showing a case where driving ICs and the like are mounted on a flexible circuit board. FIG. 5 is a developed view of the flexible circuit board used in FIG. 4. FIG. 6 is a structural diagram of a conventional liquid crystal display device, showing a case where a driving IC is mounted on a liquid crystal panel. FIG. 7 is a diagram showing a conventional liquid crystal display device in which a driving IC is mounted on a flexible circuit board. Applicant: Seiko Epson Corporation 131! i 4 ri 7 mi power 1000 5 sister demeret car n line 6 op amp 7 condition number 5 figure 7 liquid crystal replacement
Claims (1)
下パネル基板より引き出されている液晶表示装置におい
て、１枚のフレキシブルな回路基板で、上下パネル基板
の電極と接続をとり、上記のフレキシブルな回路基板は
、片側の表面に、パネル基板にもうけられたセグメント
及びコモン接続用電極と導通をとるための電極端子をも
ち、回路基板の途中で折り曲げられて、それぞれ上下パ
ネル基板の電極と接続をとることを特徴とする液晶表示
装置。In a liquid crystal display device in which the common electrode signal and the segment electrode signal are drawn out from the upper or lower panel substrate, one flexible circuit board is used to connect the electrodes of the upper and lower panel substrates, and the above flexible circuit board is connected to the electrodes of the upper and lower panel substrates. The circuit board has electrode terminals on one surface for establishing conduction with the segment and common connection electrodes provided on the panel board, and is bent in the middle of the circuit board to connect with the electrodes on the upper and lower panel boards, respectively. A liquid crystal display device characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13347586A JPS62289815A (en) | 1986-06-09 | 1986-06-09 | Liquid crystal display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13347586A JPS62289815A (en) | 1986-06-09 | 1986-06-09 | Liquid crystal display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62289815A true JPS62289815A (en) | 1987-12-16 |
Family
ID=15105645
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13347586A Pending JPS62289815A (en) | 1986-06-09 | 1986-06-09 | Liquid crystal display device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62289815A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5563619A (en) * | 1993-03-22 | 1996-10-08 | Ncr Corporation | Liquid crystal display with integrated electronics |
| WO2006022404A1 (en) * | 2004-08-24 | 2006-03-02 | Touch Panel Systems K.K. | Touch panel |
| JP2008090155A (en) * | 2006-10-04 | 2008-04-17 | Fuji Xerox Co Ltd | Image display medium |
| EP2221900A2 (en) * | 2009-02-20 | 2010-08-25 | Panasonic Electric Works Co., Ltd. | Organic EL module |
| KR20160097350A (en) * | 2013-12-24 | 2016-08-17 | 쿤산 비젼녹스 디스플레이 컴퍼니 리미티드 | Fpc of capacitive touch screen and method for mounting fpc |
-
1986
- 1986-06-09 JP JP13347586A patent/JPS62289815A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5563619A (en) * | 1993-03-22 | 1996-10-08 | Ncr Corporation | Liquid crystal display with integrated electronics |
| WO2006022404A1 (en) * | 2004-08-24 | 2006-03-02 | Touch Panel Systems K.K. | Touch panel |
| US8023051B2 (en) | 2004-08-24 | 2011-09-20 | Touch Panel Systems K.K. | Touch panel with elongated flexible printed circuit |
| JP2008090155A (en) * | 2006-10-04 | 2008-04-17 | Fuji Xerox Co Ltd | Image display medium |
| EP2221900A2 (en) * | 2009-02-20 | 2010-08-25 | Panasonic Electric Works Co., Ltd. | Organic EL module |
| JP2010192822A (en) * | 2009-02-20 | 2010-09-02 | Panasonic Electric Works Co Ltd | Organic el module |
| KR20160097350A (en) * | 2013-12-24 | 2016-08-17 | 쿤산 비젼녹스 디스플레이 컴퍼니 리미티드 | Fpc of capacitive touch screen and method for mounting fpc |
| JP2017509041A (en) * | 2013-12-24 | 2017-03-30 | 昆山維信諾顕示技術有限公司Ｋｕｎｓｈａｎ Ｖｉｓｉｏｎｏｘ Ｄｉｓｐｌａｙ Ｃｏ．，Ｌｔｄ． | Capacitive touch screen FPC and mounting method thereof |
| US10162455B2 (en) | 2013-12-24 | 2018-12-25 | Kunshan Visionox Display Co., Ltd. | FPC of a capacitive touchscreen and a method for mounting the FPC |
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