JPH0745061Y2 - Assembly structure of transmissive LCD - Google Patents

Assembly structure of transmissive LCD

Info

Publication number
JPH0745061Y2
JPH0745061Y2 JP1989071339U JP7133989U JPH0745061Y2 JP H0745061 Y2 JPH0745061 Y2 JP H0745061Y2 JP 1989071339 U JP1989071339 U JP 1989071339U JP 7133989 U JP7133989 U JP 7133989U JP H0745061 Y2 JPH0745061 Y2 JP H0745061Y2
Authority
JP
Japan
Prior art keywords
liquid crystal
crystal display
display panel
light source
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.)
Expired - Lifetime
Application number
JP1989071339U
Other languages
Japanese (ja)
Other versions
JPH0210525U (en
Inventor
良一 横山
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.)
Sanyo Electric Co Ltd
Original Assignee
Sanyo Electric 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 Sanyo Electric Co Ltd filed Critical Sanyo Electric Co Ltd
Priority to JP1989071339U priority Critical patent/JPH0745061Y2/en
Publication of JPH0210525U publication Critical patent/JPH0210525U/ja
Application granted granted Critical
Publication of JPH0745061Y2 publication Critical patent/JPH0745061Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Description

【考案の詳細な説明】 (イ)産業上の利用分野 本考案は、透過型液晶表示装置に関する。DETAILED DESCRIPTION OF THE INVENTION (a) Field of Industrial Application The present invention relates to a transmissive liquid crystal display device.

(ロ)従来の技術 液晶テレビに使用される液晶表示パネルのリード電極に
駆動信号を供給するための半導体チップの取り付けは
「日経エレクトロニクス1984、9,10号第230頁」にある
ように取付基板を介してパネルに接続されるようになっ
ている。即ち、これは第5図に示すように中央部が液晶
表示パネル外周部のリード電極形成部の計上に合わせて
切り取られ、その周囲に上記リード電極形成部と対応し
て接続される端子部(1)が設けられた取付基板(2)
を設け、この取付基板(2)面の導電パターンに表示駆
動用の半導体チップ(3)(3)…を取り付けていた。
(B) Conventional technology Mounting of semiconductor chips for supplying drive signals to the lead electrodes of liquid crystal display panels used in liquid crystal televisions is described in "Nikkei Electronics 1984, No. 9, 10 page 230". It is designed to be connected to the panel via. That is, as shown in FIG. 5, the central portion is cut off in accordance with the lead electrode forming portion on the outer peripheral portion of the liquid crystal display panel, and the terminal portion (corresponding to the lead electrode forming portion is connected to the periphery thereof). Mounting board provided with 1) (2)
, And the semiconductor chips (3) (3) for driving the display are mounted on the conductive pattern on the surface of the mounting substrate (2).

従って、このような計上の取付板を設けると装置の横方
向への拡がりが大きくなり、表示装置が大型化する欠点
があった。
Therefore, if such a mounting plate for the storage device is provided, the lateral expansion of the device becomes large, and the display device becomes large.

そこで、フレキシブルプリント基板を用いて、液晶表示
パネル裏側に半導体チップを配置して装置の小型化を図
ろうとする試がなされているが、液晶テレビの如く、パ
ネル裏側に光源となる蛍光灯を備える必要があるもので
は、斯様な試みに無理があった。
Therefore, it has been attempted to arrange a semiconductor chip on the back side of a liquid crystal display panel using a flexible printed circuit board to reduce the size of the device. However, like a liquid crystal television, a fluorescent lamp serving as a light source is provided on the back side of the panel. Such an attempt was unreasonable for what was necessary.

(ハ)考案が解決しようとする課題 本考案は上述の事情に鑑みてなされたものであり、液晶
表示パネルとフレキシブルプリント基板と光源との組立
構造を工夫する事によって、液晶表示装置の小型化を実
現するものである。
(C) Problems to be Solved by the Invention The present invention has been made in view of the above circumstances, and downsizing of a liquid crystal display device is devised by devising an assembly structure of a liquid crystal display panel, a flexible printed circuit board, and a light source. Is realized.

(ニ)課題を解決するための手段 本考案の透過型液晶表示装置の組立構造は、周端部に表
示駆動用のリードが設けられた液晶表示パネルと、該液
晶表示パネルの周端部に対応する環状形状をなして該パ
ネルの各リードと結合する導電パターンが形成された半
導体チップ取付用のフレキシブルプリント基板と、半導
体チップ取付用のフレキシブルプリント基板の導電パタ
ーンに電気的に接続された表示駆動用の半導体チップ
と、上記液晶表示パネルの光源とを備え、該光源は、上
記液晶表示パネルと、上記光源の側方に位置する、上記
フレキシブルプリント基板の少なくとも半導体チップの
存在する面とで囲まれる空隙に収納されたものである。
(D) Means for Solving the Problems An assembly structure of a transmissive liquid crystal display device according to the present invention comprises a liquid crystal display panel having leads for driving a display provided at the peripheral end portion, and a liquid crystal display panel provided at the peripheral end portion of the liquid crystal display panel. A flexible printed circuit board for mounting a semiconductor chip on which a conductive pattern having a corresponding annular shape and coupled to each lead of the panel is formed, and a display electrically connected to the conductive pattern of the flexible printed circuit board for mounting the semiconductor chip A semiconductor chip for driving and a light source of the liquid crystal display panel are provided, and the light source is composed of the liquid crystal display panel and a surface of the flexible printed circuit board located at a side of the light source, on which at least the semiconductor chip is present. It is stored in an enclosed space.

(ホ)作用 本考案の透過型液晶表示装置の組立構造によれば、液晶
表示パネルの光源が、液晶表示パネルと、光源の側方に
位置する、フレキシブルプリント基板の少なくとも半導
体チップの存在する面とで囲まれる空隙に収納されてい
るので、光源配置の省スペース化が図れるとともに、フ
レキシブルプリント基板自体のサイズ制限が緩和される
ため、その回路基板の回路設計に自由度が増し、更にわ
ざわざ光源の取出部を設ける必要がない。
(E) Operation According to the assembly structure of the transmissive liquid crystal display device of the present invention, the light source of the liquid crystal display panel is located on the side of the liquid crystal display panel and the light source, and the surface on which at least the semiconductor chip of the flexible printed circuit board exists. Since it is housed in the space surrounded by, the space for the light source can be saved, and the size restrictions of the flexible printed circuit board itself are relaxed, which increases the degree of freedom in the circuit design of the circuit board, and the purpose is to further increase the light source. It is not necessary to provide a take-out part of.

(ヘ)実施例 第1図は本考案に利用される取付基板の展開正面図を示
し帯状のフレキシブルプリント基板(以下FPCと称す)
(4)で形成されている。こうしたFPC(4)において
(5)(5)…はこのFPC(4)を折り曲げる折りし
ろ、(6)(6)…は、このFPC(4)上に設けられた
導電パターンを示し、このFPC(4)の一長辺側に設け
られた端子部(8)(8)…にまで導かれている。
(9)(9)…は上記導電パターン(8)(8)…に電
気的に接続された半導体チップであって、その内に表示
駆動用の回路が形成されている。
(F) Example FIG. 1 shows a developed front view of a mounting board used in the present invention, and a strip-shaped flexible printed board (hereinafter referred to as FPC).
It is formed in (4). In these FPCs (4), (5), (5) ... show the folding margin for bending this FPC (4), and (6), (6) ... show the conductive pattern provided on this FPC (4). (4) is led to the terminal portions (8) (8) provided on one long side.
Reference numerals (9), (9), ... Are semiconductor chips electrically connected to the conductive patterns (8), (8), ..., In which a display driving circuit is formed.

第2図はこうしたFPC(4)の折りしろを折曲するとと
もに両端(E)(E)を接着して四角形状に形成した取
付基板を液晶表示パネルに取り付けて液晶表示装置を組
み立てるときの斜視図、第3図はそのA−A′断面図で
ある。これ等の図において(10)は第1のガラス基板
(11)と第2のガラス基板(12)を重ねて形成した液晶
表示パネルを示し終端部には表示を制御するためのリー
ド電極(13)(13)…が設けられている。尚、こうした
液晶表示パネル(10)は従来から多数あるものを利用す
るので詳細な説明は省略する。こうした構成においては
上述の如く、FPC(4)を四角形状に折曲して取付基板
(14)を形成し、その端子部(8)(8)…を取付基板
(14)に垂直になるよう折り曲げる。この状態で上記端
子部(8)(8)…を液晶表示パネル(10)のリード電
極(13)(13)…に対応するよう熱圧着等で取り付けて
表示装置の組立は完成する。
FIG. 2 is a perspective view of assembling the liquid crystal display device by attaching the mounting board formed by bending the folding margin of the FPC (4) and bonding both ends (E) and (E) to each other to form a square shape on the liquid crystal display panel. FIG. 3 and FIG. 3 are sectional views taken along the line AA '. In these figures, (10) shows a liquid crystal display panel formed by stacking a first glass substrate (11) and a second glass substrate (12), and a lead electrode (13) for controlling display is provided at a terminal portion. ) (13) ... is provided. Since many such liquid crystal display panels (10) have been conventionally used, detailed description thereof will be omitted. In such a structure, as described above, the FPC (4) is bent into a rectangular shape to form the mounting substrate (14), and the terminal portions (8) (8) ... Are perpendicular to the mounting substrate (14). Fold. In this state, the terminal portions (8) (8) ... Are attached by thermocompression bonding so as to correspond to the lead electrodes (13) (13) of the liquid crystal display panel (10) to complete the assembly of the display device.

図中(15)は光源となる蛍光灯であり、特に液晶テレビ
に用いるに際しては、該蛍光灯(15)を液晶表示パネル
(10)裏側の取付基板(14)で囲まれる領域に設ける。
この場合蛍光灯(15)の周囲を取り囲む取付基板(14)
で光の漏れを防ぐことが出来、表示パネル(10)へ均一
な光が与えられる。
In the figure, reference numeral (15) denotes a fluorescent lamp which serves as a light source, and particularly when used for a liquid crystal television, the fluorescent lamp (15) is provided in a region surrounded by a mounting substrate (14) on the back side of the liquid crystal display panel (10).
In this case, the mounting board (14) surrounding the fluorescent lamp (15)
Can prevent light from leaking and give uniform light to the display panel (10).

第4図はこうした表示装置をケース内に組み込むときの
断面図であって、第1図乃至第3図と同一部分では同一
符号が付してある。ここではガラスエポキシ基板(16)
(16)をFPC(4)の半導体チップ(9)(9)…取付
面裏面に設け、この基板(16)(16)に制御回路(図示
せず)を設けるとともに、FPC(4)及びガラスエポキ
シ基板(16)(16)にスルーホール(図示せず)を設け
て半導体チップ(9)(9)…と制御回路の電気的接続
を採っている。また、半導体チップ(9)(9)…取付
面にスペーサ(17)(17)…を設け、このスペーサ(1
7)(17)…で半導体チップ(9)(9)が収納される
スペース(18)(18)を形成するようにFPC(4)をケ
ース(19)に螺子(20)(20)止めしている。
FIG. 4 is a sectional view when such a display device is incorporated in a case, and the same parts as those in FIGS. 1 to 3 are designated by the same reference numerals. Here glass epoxy substrates (16)
The semiconductor chip (9) (9) of the FPC (4) is provided on the rear surface of the mounting surface, the control circuit (not shown) is provided on the substrate (16) (16), and the FPC (4) and the glass are provided. Through holes (not shown) are provided in the epoxy substrates (16) and (16) to electrically connect the semiconductor chips (9) (9) ... And the control circuit. Further, spacers (17) (17) ... Are provided on the mounting surface of the semiconductor chips (9) (9).
Screw the FPC (4) to the case (19) so that the semiconductor chips (9) and (9) are accommodated in the spaces (18) and (18) with the screws (20) and (20). ing.

(ト)考案の効果 本考案の液晶表示装置の組立構造は、液晶表示パネルの
光源が、液晶表示パネルと、光源の側方に位置する、フ
レキシブルプリント基板の少なくとも半導体チップの存
在する面とで囲まれる空隙に収納されているので、光源
の配置スペースの節約ができるとともに、半導体チップ
の厚み及び幅を利用して光源がフレキシブルプリント基
板で囲まれた空隙に設けられるので、従来の如き液晶表
示装置のフレキシブルプリント基板による横(平面)方
向へ広がる構造ではないため、フレキシブルプリント基
板を長くあるいは大きくすることが可能であるのでフレ
キシブルプリント基板のサイズ制限が緩和されて回路設
計の自由度が増して液晶表示パネルの高精細化が容易に
なるとともに、液晶表示装置の小型化が実現できる。
(G) Effect of the Invention In the assembly structure of the liquid crystal display device of the present invention, the light source of the liquid crystal display panel is composed of the liquid crystal display panel and the side of the light source on which at least the semiconductor chip of the flexible printed circuit board is present. Since it is housed in the enclosed space, the space for arranging the light source can be saved, and the light source is provided in the space surrounded by the flexible printed circuit board by utilizing the thickness and width of the semiconductor chip. Since the structure does not spread in the lateral (planar) direction of the flexible printed circuit board of the device, it is possible to make the flexible printed circuit board longer or larger, which relaxes the size restrictions of the flexible printed circuit board and increases the degree of freedom in circuit design. The liquid crystal display panel can be easily made finer and the liquid crystal display device can be made smaller.

また、本考案は、フレキシブルプリント基板をパネル裏
側に配置しないので、光源交換時の脱着が極めて容易で
あるとともに、光源の配置を阻害する惧れがないばかり
か、わざわざ光源の取出部を設ける必要がない。
Further, in the present invention, since the flexible printed circuit board is not arranged on the back side of the panel, it is extremely easy to attach and detach when exchanging the light source, and there is no fear of disturbing the arrangement of the light source. There is no.

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

第1図は本考案に用いられるフレキシブルプリント基板
の展開正面図、第2図は本考案透過型液晶表示装置の組
立構造を示す斜視図、第3図は第2図におけるA−A′
断面図、第4図は本考案組立構造の表示装置をケースに
取り付けるときの断面図、第5図は従来の液晶表示装置
に使用される取付基板の正面図である。 (4)……フレキシブルプリント基板、(6)(6)…
…導電パターン、(8)(8)……端子部、(9)
(9)……半導体チップ、(10)……液晶表示パネル、
(11)(12)……ガラス基板、(13)(13)……リード
電極、(14)……取付基板、(15)……蛍光灯。
FIG. 1 is a developed front view of a flexible printed circuit board used in the present invention, FIG. 2 is a perspective view showing an assembly structure of a transmissive liquid crystal display device of the present invention, and FIG. 3 is AA 'in FIG.
FIG. 4 is a sectional view when the display device having the assembly structure of the present invention is attached to a case, and FIG. 5 is a front view of a mounting substrate used in a conventional liquid crystal display device. (4) ... Flexible printed circuit board, (6) (6) ...
… Conductive pattern, (8) (8)… Terminal part, (9)
(9) …… Semiconductor chip, (10) …… Liquid crystal display panel,
(11) (12) …… Glass substrate, (13) (13) …… Lead electrode, (14) …… Mounting substrate, (15) …… Fluorescent lamp.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 【請求項1】周端部に表示駆動用のリードが設けられた
液晶表示パネルと、該液晶表示パネルの周端部に対応す
る環状形状をなして該パネルの各リードと結合する導電
パターンが形成された半導体チップ取付用のフレキシブ
ルプリント基板と、半導体チップ取付用のフレキシブル
プリント基板の導電パターンに電気的に接続された表示
駆動用の半導体チップと、上記液晶表示パネルの光源と
を備え、該光源は、上記液晶表示パネルと、上記光源の
側方に位置する、上記フレキシブルプリント基板の少な
くとも半導体チップの存在する面とで囲まれる空隙に収
納された事を特徴とした透過型液晶表示装置の組立構
造。
1. A liquid crystal display panel having leads for driving a display provided on a peripheral edge portion, and a conductive pattern having an annular shape corresponding to the peripheral edge portion of the liquid crystal display panel and coupled with each lead of the panel. A flexible printed circuit board for mounting the formed semiconductor chip, a display driving semiconductor chip electrically connected to a conductive pattern of the flexible printed circuit board for mounting the semiconductor chip, and a light source of the liquid crystal display panel, The light source is housed in a space surrounded by the liquid crystal display panel and a side of the light source, which is surrounded by at least the semiconductor chip of the flexible printed circuit board. Assembly structure.
JP1989071339U 1989-06-19 1989-06-19 Assembly structure of transmissive LCD Expired - Lifetime JPH0745061Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989071339U JPH0745061Y2 (en) 1989-06-19 1989-06-19 Assembly structure of transmissive LCD

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989071339U JPH0745061Y2 (en) 1989-06-19 1989-06-19 Assembly structure of transmissive LCD

Publications (2)

Publication Number Publication Date
JPH0210525U JPH0210525U (en) 1990-01-23
JPH0745061Y2 true JPH0745061Y2 (en) 1995-10-11

Family

ID=31296549

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989071339U Expired - Lifetime JPH0745061Y2 (en) 1989-06-19 1989-06-19 Assembly structure of transmissive LCD

Country Status (1)

Country Link
JP (1) JPH0745061Y2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5218101B2 (en) * 2009-01-28 2013-06-26 株式会社ジェイテクト Displacement sensor device and rolling bearing device

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5815954Y2 (en) * 1978-03-28 1983-03-31 株式会社田村電機製作所 Panel holder for liquid crystal display device
JPS631336Y2 (en) * 1980-11-21 1988-01-13
JPS59192185U (en) * 1983-06-06 1984-12-20 トヨタ自動車株式会社 liquid crystal display device
JPS61173979U (en) * 1985-04-15 1986-10-29

Also Published As

Publication number Publication date
JPH0210525U (en) 1990-01-23

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