JP2000347591A - Display device with external connection - Google Patents
Display device with external connectionInfo
- Publication number
- JP2000347591A JP2000347591A JP15922499A JP15922499A JP2000347591A JP 2000347591 A JP2000347591 A JP 2000347591A JP 15922499 A JP15922499 A JP 15922499A JP 15922499 A JP15922499 A JP 15922499A JP 2000347591 A JP2000347591 A JP 2000347591A
- Authority
- JP
- Japan
- Prior art keywords
- display panel
- wiring board
- substrate
- driving
- glass substrate
- 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
Landscapes
- Liquid Crystal (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、表示パネルの実装
構造に係わり、更に詳しくは、液晶、エレクトロルミネ
ッセンス（ＥＬ）、プラズマ等の表示パネルの周縁部
に、この表示パネルを駆動するＩＣを搭載したフレキシ
ブル配線板と、外部からの信号入力を受ける配線基板と
を実装する表示パネルの実装構造に関し、更に、それを
用いた外部接続を有する表示装置に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mounting structure of a display panel, and more particularly, to mounting an IC for driving the display panel on a peripheral portion of the display panel such as a liquid crystal, an electroluminescence (EL), and a plasma. The present invention relates to a mounting structure of a display panel on which a flexible wiring board and a wiring board receiving an external signal input are mounted, and further relates to a display device having external connection using the same.
【０００２】[0002]
【従来の技術】一般的な、表示パネルである液晶パネル
の実装構造で、表示パネルの周縁部に、この表示パネル
を駆動するＩＣを搭載したフレキシブル配線板と、外部
からの信号入力を受ける配線基板とを実装する表示パネ
ルの実装構造について、特許第２８０１４８７号公報に
その技術が開示されている。図２及び図３でその概要に
ついて説明する。2. Description of the Related Art A general mounting structure of a liquid crystal panel as a display panel, a flexible wiring board having an IC for driving the display panel mounted on a peripheral portion of the display panel, and a wiring for receiving an external signal input. Japanese Patent No. 2801487 discloses a technology for mounting a display panel on which a substrate is mounted. The outline will be described with reference to FIGS.
【０００３】図２は、液晶パネルの周縁部の断面図、図
３は、液晶パネルの周縁部の平面図である。図におい
て、液晶パネル１は、一対の上下ガラス基板２、３の間
に液晶５をシール部材４で封止し、一方の下ガラス基板
３の周縁部３ａに複数の電極端子６を配設して構成され
ている。フレキシブル配線板（以下、ＦＰＣと略記す
る）７は、柔軟性を有する基材面に、駆動用ＩＣ８を搭
載している。配線基板９は、片面に電極端子１０を有
し、液晶パネル１の外部からこの電極端子１０に受けた
信号入力を前記駆動用ＩＣ８に伝える配線を有してい
る。FIG. 2 is a cross-sectional view of the periphery of the liquid crystal panel, and FIG. 3 is a plan view of the periphery of the liquid crystal panel. In the figure, a liquid crystal panel 1 has a liquid crystal 5 sealed between a pair of upper and lower glass substrates 2 and 3 with a sealing member 4, and a plurality of electrode terminals 6 disposed on a peripheral portion 3 a of one lower glass substrate 3. It is configured. A flexible wiring board (hereinafter abbreviated as FPC) 7 has a driving IC 8 mounted on a flexible base material surface. The wiring board 9 has an electrode terminal 10 on one side, and has wiring for transmitting a signal input received from the outside of the liquid crystal panel 1 to the electrode terminal 10 to the driving IC 8.
【０００４】前記液晶パネル１と配線基板９とは、電極
端子６と１０が設けられた面が互いに内側で、且つ、配
線基板９の電極端子１０が液晶パネル１の周縁部３ａの
外側に位置する状態でＦＰＣに重ねて取り付けられてい
る。また、ＦＰＣ７は、液晶パネル１の下ガラス基板３
と配線基板９との隙間に設けられ、駆動用ＩＣ８は、液
晶パネル１の下ガラス基板３の周縁部３ａの外側に位置
する状態で、ＦＰＣ７の配線基板９の反対側の面に搭載
されている。The liquid crystal panel 1 and the wiring board 9 are positioned such that the surfaces on which the electrode terminals 6 and 10 are provided are inside each other, and the electrode terminals 10 of the wiring board 9 are outside the peripheral portion 3a of the liquid crystal panel 1. It is attached to the FPC in a state where it does not. The FPC 7 is a lower glass substrate 3 of the liquid crystal panel 1.
The driving IC 8 is mounted on the surface of the FPC 7 on the opposite side of the wiring board 9 while being located outside the peripheral edge 3 a of the lower glass substrate 3 of the liquid crystal panel 1. I have.
【０００５】前記液晶パネル１の電極端子６とＦＰＣ７
の出力端子１１とを異方性導電材等によって接続する一
方、ＦＰＣ７の入力端子１２と配線基板９の電極端子１
０とを半田等によって接続して実装を行っている。配線
基板９の電極端子１０と反対側の端部を、下ガラス基板
３の周縁部３ａに重ねて接着剤や両面テープ等の固定剤
１３によって取り付ける。このときＦＰＣ７は下ガラス
基板３と配線基板９との間に挟まれた状態となる。The electrode terminal 6 of the liquid crystal panel 1 and the FPC 7
Of the FPC 7 and the electrode terminal 1 of the wiring board 9 while connecting the output terminal 11 of the
0 is connected by soldering or the like for mounting. An end of the wiring board 9 opposite to the electrode terminal 10 is overlapped with the peripheral edge 3 a of the lower glass substrate 3 and attached with a fixing agent 13 such as an adhesive or a double-sided tape. At this time, the FPC 7 is sandwiched between the lower glass substrate 3 and the wiring substrate 9.
【０００６】[0006]
【発明が解決しようとする課題】しかしながら、前述し
た表示パネルの実装構造には次のような問題点がある。
即ち、ＦＰＣは液晶パネルの下ガラス基板と配線基板と
の隙間に配設されており、ＦＰＣと下ガラス基板と配線
基板の三層構造になっているため、軽薄短小が要望され
る表示パネルの実装構造において表示パネルの厚みが厚
くなってしまうと言う問題があった。However, the above-described display panel mounting structure has the following problems.
That is, the FPC is disposed in the gap between the lower glass substrate and the wiring substrate of the liquid crystal panel, and has a three-layer structure of the FPC, the lower glass substrate, and the wiring substrate. There is a problem that the thickness of the display panel is increased in the mounting structure.
【０００７】本発明は上記した従来の課題に鑑みなされ
たものであり、その目的は、表示パネルの厚みを極力薄
型化可能な表示パネルの実装構造を提供するものであ
る。The present invention has been made in view of the above-mentioned conventional problems, and an object of the present invention is to provide a display panel mounting structure capable of reducing the thickness of the display panel as much as possible.
【０００８】[0008]
【課題を解決するための手段】上記目的を達成するため
に、本発明は、表示パネル基板の片面の周縁部に配設し
た電極端子にフレキシブル配線板を電気接続すると共に
片面に電極端子を有し、外部からこの電極端子に受けた
信号入力を前記駆動用ＩＣに伝える配線基板を電気接続
する外部接続を有する表示装置において、前記配線基板
の端部の形状を前記表示パネル基板の片面の周縁部に配
設した電極端子近傍で前記フレキシブル配線板及び表示
パネル基板と平面的に重ならない形状の切り欠き部を形
成し前記フレキシブル配線板は表示パネル基板と配線基
板との間に挟まれることなく配設されていることを特徴
とする。In order to achieve the above-mentioned object, the present invention provides a method of electrically connecting a flexible wiring board to electrode terminals disposed on a peripheral portion of one side of a display panel substrate and having an electrode terminal on one side. In a display device having an external connection for electrically connecting a wiring board that transmits a signal input received from the outside to the electrode terminal to the driving IC, the shape of an end of the wiring board is changed to a peripheral edge of one surface of the display panel substrate. Forming a cutout portion having a shape that does not overlap the flexible wiring board and the display panel substrate in a planar manner in the vicinity of the electrode terminals disposed in the portion, and the flexible wiring board is not sandwiched between the display panel substrate and the wiring substrate. It is characterized by being provided.
【０００９】また、表示パネル基板の片面の周縁部に配
設した電極端子に表示パネルを駆動する駆動用ＩＣを搭
載したフレキシブル配線板を電気接続すると共に片面に
電極端子を有し外部からこの電極端子に受けた信号入力
を前記駆動用ＩＣに伝える配線基板を電気接続する外部
接続を有する表示装置において、前記配線基板の端部の
形状を前記表示パネル基板の片面の周縁部に配設した電
極端子近傍で前記フレキシブル配線板及び表示パネル基
板と平面的に重ならない形状の切り欠き部を形成し前記
フレキシブル配線板は表示パネル基板と配線基板との間
に挟まれることなく前記駆動用ＩＣは、前記表示パネル
基板の周縁部の外側に位置し前記フレキシブル配線板の
前記配線基板と反対側の面に搭載されていることを特徴
とする。Also, a flexible wiring board on which a driving IC for driving the display panel is mounted is electrically connected to electrode terminals disposed on the peripheral portion of one side of the display panel substrate, and the electrode terminals are provided on one side and externally provided with the electrode terminals. In a display device having an external connection for electrically connecting a wiring board for transmitting a signal input received at a terminal to the driving IC, an electrode in which the shape of an end of the wiring board is arranged on a peripheral edge of one surface of the display panel substrate A notch having a shape that does not overlap the flexible wiring board and the display panel substrate in a plan view in the vicinity of the terminal, and the flexible wiring board is not sandwiched between the display panel substrate and the wiring substrate; The flexible printed circuit board is mounted on a surface of the flexible wiring board opposite to the wiring board, which is located outside a peripheral portion of the display panel board.
【００１０】[0010]
【発明の実施の形態】以下図面に基づいて本発明におけ
る表示パネルの実装構造について説明する。図１は、本
発明の実施の形態である表示パネルの実装構造に係わ
り、図１（ａ）は、液晶パネルの周縁部の平面図、図１
（ｂ）は、図１（ａ）のＡ−Ａ線断面図、図１（ｃ）
は、図１（ａ）のＢ−Ｂ線断面図である。図において従
来技術と同一部材は同一符号を示す。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A display panel mounting structure according to the present invention will be described below with reference to the drawings. FIG. 1 relates to a mounting structure of a display panel according to an embodiment of the present invention. FIG. 1A is a plan view of a peripheral portion of a liquid crystal panel.
FIG. 1B is a cross-sectional view taken along line AA of FIG.
FIG. 2 is a sectional view taken along line BB of FIG. In the drawing, the same members as those of the prior art are denoted by the same reference numerals.
【００１１】図１において、液晶パネル１は、前述した
従来技術と同様に一対の上下ガラス基板２、３の間に液
晶４をシール部材５で封止し、一方の下ガラス基板３の
周縁部３ａに多数の電極端子６を配設して構成されてい
る。駆動用ＩＣ８は下ガラス基板３の周縁部３ａの外側
に位置し、柔軟性の有するＦＰＣ７の配線基板９の反対
側の面にを搭載している。配線基板９は、片面に電極端
子１０を有し、液晶パネル１の外部からこの電極端子１
０に受けた信号入力を前記駆動用ＩＣ８に伝える配線を
有している。Referring to FIG. 1, a liquid crystal panel 1 has a liquid crystal 4 sealed between a pair of upper and lower glass substrates 2 and 3 by a sealing member 5 in the same manner as in the above-mentioned prior art. 3a, a large number of electrode terminals 6 are provided. The driving IC 8 is located outside the peripheral portion 3 a of the lower glass substrate 3, and is mounted on the surface of the flexible FPC 7 opposite to the wiring substrate 9. The wiring board 9 has an electrode terminal 10 on one side, and the electrode terminal 1 is provided from outside the liquid crystal panel 1.
There is a wiring for transmitting the signal input received at 0 to the driving IC 8.
【００１２】従来技術と異なる所は、前記配線基板９の
端部９ｂに、表示パネル１の下ガラス基板３の片面の周
縁部３ａに配設した電極端子６の近傍で前記ＦＰＣ７及
び下ガラス基板３と平面的に重ならないように配線基板
９に切り欠き部９ａ（図１ａ斜線部）を形成し、ＦＰＣ
７は柔軟性を有するため配線基板９の切り欠き部９ａの
端部９ｂで曲がり液晶パネル１の下ガラス基板３の周縁
部３ａで接続されるので、前記ＦＰＣ７は下ガラス基板
３と配線基板９との間に挟まれることがない。即ち、配
線基板９とＦＰＣ７と下ガラス基板３の三層構造になら
ない。The difference from the prior art is that the FPC 7 and the lower glass substrate are provided near the end 9b of the wiring substrate 9 and the electrode terminal 6 disposed on the peripheral portion 3a on one side of the lower glass substrate 3 of the display panel 1. A notch 9a (hatched portion in FIG. 1a) is formed in the wiring board 9 so as not to overlap the
The flexible printed circuit board 7 is bent at the end 9b of the cutout 9a of the wiring board 9 because of its flexibility, and is connected at the peripheral edge 3a of the lower glass board 3 of the liquid crystal panel 1. Therefore, the FPC 7 is connected to the lower glass board 3 and the wiring board 9 There is no caught between. That is, the three-layer structure of the wiring board 9, the FPC 7, and the lower glass substrate 3 is not formed.
【００１３】実装を行う場合は、液晶パネル１の電極端
子６とＦＰＣ７の出力端子１１とを異方性導電材接着剤
等によって接続する一方、ＦＰＣ７の入力端子１２と配
線基板９の電極端子１０とを半田等によって接続する。
このとき、駆動用ＩＣ８は、ＦＰＣ７の配線基板９側と
反対側に位置させる。次に、配線基板９の電極端子１０
と反対側の端部を、下ガラス基板３の周縁部３ａに重ね
て接着剤や両面テープ等の固定剤１３によって取り付け
る。When mounting, the electrode terminals 6 of the liquid crystal panel 1 and the output terminals 11 of the FPC 7 are connected by an anisotropic conductive adhesive or the like, while the input terminals 12 of the FPC 7 and the electrode terminals 10 of the wiring board 9 are connected. And are connected by solder or the like.
At this time, the driving IC 8 is located on the opposite side of the FPC 7 from the wiring board 9 side. Next, the electrode terminals 10 of the wiring board 9
Of the lower glass substrate 3 is attached by a fixing agent 13 such as an adhesive or a double-sided tape.
【００１４】上記構成により、図１（ｂ）、（ｃ）に示
すように、ＦＰＣ７は、下ガラス基板３と配線基板９の
間に挟まれることがない。それぞれの部材は二層に積層
されるのみで、従来技術のように三層構造にはならな
い。表示パネルの厚みを薄くすることができる。With the above configuration, as shown in FIGS. 1B and 1C, the FPC 7 is not sandwiched between the lower glass substrate 3 and the wiring substrate 9. Each member is merely laminated in two layers, and does not have a three-layer structure as in the prior art. The thickness of the display panel can be reduced.
【００１５】[0015]
【発明の効果】以上説明したことから明らかのように、
本発明によれば、従来の配線基板とＦＰＣと表示パネル
基板の三部材が積層する相当場所で配線基板に切り欠き
部を形成した構成により、ＦＰＣは表示パネル基板と配
線基板との間に挟まれず三層構造にならないので、表示
パネルの厚みを極力薄型化可能な表示パネルの実装構造
を提供することができる。As is apparent from the above description,
According to the present invention, the FPC is sandwiched between the display panel board and the wiring board by the conventional configuration in which the notch is formed in the wiring board at a place where the three members of the conventional wiring board, the FPC, and the display panel board are stacked. Therefore, a display panel mounting structure capable of reducing the thickness of the display panel as much as possible can be provided.
【図１】本発明の実施の形態である表示パネルの実装構
造に係わり、図１（ａ）は、液晶パネルの周縁部の平面
図、図１（ｂ）は、図１（ａ）のＡ−Ａ線断面図、図１
（ｃ）は、図１（ａ）のＢ−Ｂ線断面図である。FIGS. 1A and 1B relate to a mounting structure of a display panel according to an embodiment of the present invention, in which FIG. 1A is a plan view of a peripheral portion of a liquid crystal panel, and FIG. -A line sectional view, FIG.
FIG. 2C is a sectional view taken along line BB of FIG.
【図２】従来技術の液晶パネルの周縁部の断面図であ
る。FIG. 2 is a sectional view of a peripheral portion of a conventional liquid crystal panel.
【図３】図２の液晶パネルの周縁部の平面図である。FIG. 3 is a plan view of a peripheral portion of the liquid crystal panel of FIG. 2;
１ 液晶パネル ２ 上ガラス基板 ３ 下ガラス基板 ３ａ 周縁部 ６ 電極端子（パネル） ７ フレキシブル配線板（ＦＰＣ） ８ 駆動用ＩＣ ９ 配線基板 ９ａ 切り欠き部 １０ 電極端子（ＦＰＣ） １１ 出力端子 １２ 入力端子 Reference Signs List 1 liquid crystal panel 2 upper glass substrate 3 lower glass substrate 3a peripheral portion 6 electrode terminal (panel) 7 flexible wiring board (FPC) 8 driving IC 9 wiring substrate 9a cutout portion 10 electrode terminal (FPC) 11 output terminal 12 input terminal
Claims (2)
た電極端子にフレキシブル配線板を電気接続すると共に
片面に電極端子を有し、外部からこの電極端子に受けた
信号入力を前記駆動用ＩＣに伝える配線基板を電気接続
する外部接続を有する表示装置において、前記配線基板
の端部の形状を前記表示パネル基板の片面の周縁部に配
設した電極端子近傍で前記フレキシブル配線板及び表示
パネル基板と平面的に重ならない形状の切り欠き部を形
成し前記フレキシブル配線板は表示パネル基板と配線基
板との間に挟まれることなく配設されていることを特徴
とする外部接続を有する表示装置。An electrode terminal disposed on a peripheral portion of one side of a display panel substrate is electrically connected to a flexible wiring board and has an electrode terminal on one side, and a signal input received from the outside to the electrode terminal is used for the driving. In a display device having an external connection for electrically connecting a wiring board to be transmitted to an IC, the flexible wiring board and the display panel are arranged in the vicinity of an electrode terminal arranged at one edge of the display panel substrate. A display device having an external connection, wherein a cutout portion having a shape not overlapping with a substrate in a plane is formed, and the flexible wiring board is provided without being sandwiched between the display panel substrate and the wiring substrate. .
た電極端子に、表示パネルを駆動する駆動用ＩＣを搭載
したフレキシブル配線板を電気接続すると共に、片面に
電極端子を有し、外部からこの電極端子に受けた信号入
力を前記駆動用ＩＣに伝える配線基板を電気接続する外
部接続を有する表示装置において、前記配線基板の端部
の形状を前記表示パネル基板の片面の周縁部に配設した
電極端子近傍で前記フレキシブル配線板及び表示パネル
基板と平面的に重ならない形状の切り欠き部を形成し前
記フレキシブル配線板は表示パネル基板と配線基板との
間に挟まれることなく前記駆動用ＩＣは前記表示パネル
基板の周縁部の外側に位置し前記フレキシブル配線板の
前記配線基板と反対側の面に搭載されていることを特徴
とする外部接続を有する表示装置。2. A flexible wiring board on which a driving IC for driving a display panel is mounted is electrically connected to electrode terminals provided on a peripheral portion of one surface of a display panel substrate, and the electrode terminals are provided on one surface thereof. In a display device having an external connection for electrically connecting a wiring board for transmitting a signal input received to the electrode terminal to the driving IC, the shape of an end of the wiring board is arranged on a peripheral edge of one surface of the display panel substrate. A notch having a shape that does not overlap the flexible wiring board and the display panel substrate in a plane is formed in the vicinity of the provided electrode terminal, and the flexible wiring board is used for the driving without being sandwiched between the display panel substrate and the wiring substrate. The IC has an external connection, wherein the IC is located outside a peripheral portion of the display panel substrate and is mounted on a surface of the flexible wiring board opposite to the wiring substrate. Display device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15922499A JP2000347591A (en) | 1999-06-07 | 1999-06-07 | Display device with external connection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15922499A JP2000347591A (en) | 1999-06-07 | 1999-06-07 | Display device with external connection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2000347591A true JP2000347591A (en) | 2000-12-15 |
Family
ID=15689060
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15922499A Pending JP2000347591A (en) | 1999-06-07 | 1999-06-07 | Display device with external connection |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2000347591A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01136122A (en) * | 1987-11-24 | 1989-05-29 | Nec Corp | Connecting method for liquid crystal display driving substrate |
| JPH04225327A (en) * | 1990-12-27 | 1992-08-14 | Seiko Epson Corp | Packaging structure of electronic circuit and electrooptical device and electronic printing device formed by using this structure |
| JPH05265021A (en) * | 1992-03-18 | 1993-10-15 | Hitachi Ltd | Tape carrier package and its connecting method and heating and pressurizing head |
| JPH06181394A (en) * | 1992-04-30 | 1994-06-28 | Sharp Corp | Mounting structure of panel, mounting of panel, resin feeding and hardening device and feed and hardening of resin |
| JPH0737920A (en) * | 1993-07-24 | 1995-02-07 | Nippon Mektron Ltd | Mounting structure for flexible circuit board |
| JP2000174403A (en) * | 1998-12-10 | 2000-06-23 | Canon Inc | Three-dimensional wiring board |
-
1999
- 1999-06-07 JP JP15922499A patent/JP2000347591A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01136122A (en) * | 1987-11-24 | 1989-05-29 | Nec Corp | Connecting method for liquid crystal display driving substrate |
| JPH04225327A (en) * | 1990-12-27 | 1992-08-14 | Seiko Epson Corp | Packaging structure of electronic circuit and electrooptical device and electronic printing device formed by using this structure |
| JPH05265021A (en) * | 1992-03-18 | 1993-10-15 | Hitachi Ltd | Tape carrier package and its connecting method and heating and pressurizing head |
| JPH06181394A (en) * | 1992-04-30 | 1994-06-28 | Sharp Corp | Mounting structure of panel, mounting of panel, resin feeding and hardening device and feed and hardening of resin |
| JPH0737920A (en) * | 1993-07-24 | 1995-02-07 | Nippon Mektron Ltd | Mounting structure for flexible circuit board |
| JP2000174403A (en) * | 1998-12-10 | 2000-06-23 | Canon Inc | Three-dimensional wiring board |
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