JP2003098508A - Assembly structure for liquid crystal display device - Google Patents
Assembly structure for liquid crystal display deviceInfo
- Publication number
- JP2003098508A JP2003098508A JP2001286267A JP2001286267A JP2003098508A JP 2003098508 A JP2003098508 A JP 2003098508A JP 2001286267 A JP2001286267 A JP 2001286267A JP 2001286267 A JP2001286267 A JP 2001286267A JP 2003098508 A JP2003098508 A JP 2003098508A
- Authority
- JP
- Japan
- Prior art keywords
- liquid crystal
- display device
- crystal display
- light
- holder
- 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
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】この発明は電子機器に係わ
り、特に、その液晶表示装置の組付け構造に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electronic device, and more particularly to an assembly structure of a liquid crystal display device thereof.
【０００２】[0002]
【従来の技術】従来の液晶表示装置の組付け構造の例を
図３に示す。図に示すプリント基板７にはＬＥＤホルダ
１０が差し込まれて固定される。ＬＥＤホルダ１０に嵌
着されて固定されるＬＥＤ４は液晶表示装置５（以下Ｌ
ＣＤと称する）の光源となるものでそのリード線４ａは
プリント基板７に差し込まれてプリント基板７のパター
ンに半田付けされる。2. Description of the Related Art An example of a conventional liquid crystal display device assembly structure is shown in FIG. The LED holder 10 is inserted and fixed to the printed circuit board 7 shown in the figure. The LED 4 fitted and fixed to the LED holder 10 is a liquid crystal display device 5 (hereinafter referred to as L
The lead wire 4a is used as a light source of the CD) and is inserted into the printed board 7 and soldered to the pattern of the printed board 7.
【０００３】プリント基板７に反射シート８、採光板
９、散光板３およびＬＣＤ５が順次載置されてＬＣＤホ
ルダ１１に押えられて保持される。ＬＣＤホルダ１１に
は係止片１１ａ、１１ａ…が設けられており、係止片１
１ａ、１１ａ…をプリント基板７の長穴に差し込んで曲
げることによりＬＣＤホルダ１１がプリント基板７に固
定される。A reflective sheet 8, a daylighting plate 9, a light diffusing plate 3 and an LCD 5 are sequentially placed on a printed circuit board 7 and are pressed and held by an LCD holder 11. The LCD holder 11 is provided with locking pieces 11a, 11a ...
The LCD holder 11 is fixed to the printed circuit board 7 by inserting 1a, 11a ... into the elongated holes of the printed circuit board 7 and bending them.
【０００４】ＬＥＤ４から放射された光は採光板９によ
りＬＣＤ５の下方に導かれ、一部は反射シート８で反射
され、さらに、散光板３により散光されてＬＣＤ５を下
方から照明する。The light emitted from the LED 4 is guided to the lower side of the LCD 5 by the daylighting plate 9, part of which is reflected by the reflection sheet 8, and further diffused by the diffusing plate 3 to illuminate the LCD 5 from below.
【０００５】[0005]
【発明が解決しようとする課題】上記した従来の液晶表
示装置の組付け構造では反射シート、ＬＥＤホルダ等必
要とする部品の点数が多く、部品管理コストや組み立て
工数が大きくなるという問題があった。The above-described conventional liquid crystal display device assembly structure has a problem that the number of necessary parts such as the reflection sheet and the LED holder is large, and the parts management cost and the assembly man-hour increase. .
【０００６】また、表示面積が大きい場合には光むらが
生じ易いという問題があった。さらに、ＬＣＤホルダ１
１とプリント基板７との隙間から光が漏れてつまみ等の
部分に光が当たり見栄えが悪くなるという問題があっ
た。そして、つまみ等の部分に光が当たらないようにす
るためには遮光シート等を取り付ける必要があった。Further, there is a problem that light unevenness is likely to occur when the display area is large. Furthermore, LCD holder 1
There is a problem in that light leaks from the gap between the printed circuit board 1 and the printed circuit board 7 and the light hits a portion such as a knob and the appearance is deteriorated. Further, it is necessary to attach a light shielding sheet or the like in order to prevent the light such as the knobs from hitting.
【０００７】この発明は上記した点に鑑みてなされたも
のであって、その目的とするところは、部品点数が少
く、組み立てが簡単であり、光むらや光漏れの生じない
液晶表示装置の組付け構造を提供することにある。The present invention has been made in view of the above points, and an object thereof is a set of liquid crystal display devices which has a small number of parts, is easy to assemble, and is free from uneven light and light leakage. To provide attachment structure.
【０００８】[0008]
【課題を解決するための手段】この発明の液晶表示装置
の組付け構造は、光反射性の箱型採光板ホルダに採光板
および光源を収納し、前記採光板を覆うように液晶表示
装置を配置したものである。The liquid crystal display device assembling structure according to the present invention includes a light-reflecting box-type daylighting plate holder in which a daylighting plate and a light source are housed, and the liquid crystal display device is covered so as to cover the daylighting plate. It is arranged.
【０００９】また、前記液晶表示装置の組付け構造にお
いて、前記箱型採光板ホルダを光源保持部とプリント基
板へ取り付けるためのフックが一体に成形された樹脂部
品としたものである。Further, in the assembly structure of the liquid crystal display device, a hook for attaching the box type daylighting plate holder to the light source holding portion and the printed circuit board is integrally formed as a resin component.
【００１０】また、前記各液晶表示装置の組付け構造に
おいて、前記採光板の上に散光板および液晶表示装置が
順次載置され、これらの散光板および液晶表示装置がプ
リント基板に固定されるホルダにより保持されるもので
ある。In the assembly structure of each liquid crystal display device, a diffusing plate and a liquid crystal display device are sequentially placed on the daylighting plate, and the diffusing plate and the liquid crystal display device are fixed to a printed board. Is held by.
【００１１】[0011]
【発明の実施の形態】この発明の実施例である液晶表示
装置の組付け構造を図面に基づいて説明する。図１
（ａ）はこの発明の実施例である液晶表示装置の組付け
構造の部分を示す平面図、図１（ｂ）は図１（ａ）にお
けるＡ−Ａ断面図、図１（ｃ）は図１（ａ）におけるＢ
−Ｂ拡大断面図である。BEST MODE FOR CARRYING OUT THE INVENTION An assembly structure of a liquid crystal display device according to an embodiment of the present invention will be described with reference to the drawings. Figure 1
1A is a plan view showing a portion of an assembly structure of a liquid crystal display device according to an embodiment of the present invention, FIG. 1B is a sectional view taken along line AA in FIG. 1A, and FIG. B in 1 (a)
-B is an enlarged sectional view.
【００１２】図１（ａ）〜（ｃ）に示す箱型採光板ホル
ダ１は光反射率の高い白色系の樹脂成型品であり、フッ
ク１ａ、１ａ、山形突起１ｂおよび円弧形状突起１ｃ、
１ｃが一体に形成されている。箱型採光板ホルダ１のフ
ック１ａ、１ａはプリント基板７の穴に差し込まれて箱
型採光板ホルダ１はプリント基板７に固定される。The box type daylighting plate holder 1 shown in FIGS. 1A to 1C is a white resin molded product having a high light reflectance, and includes hooks 1a, 1a, chevron protrusions 1b and arc-shaped protrusions 1c.
1c is integrally formed. The hooks 1a and 1a of the box-shaped daylighting plate holder 1 are inserted into the holes of the printed board 7 so that the box-shaped daylighting plate holder 1 is fixed to the printed board 7.
【００１３】図１（ｃ）に詳しく示すように山形突起１
ｂおよび円弧形状突起１ｃ、１ｃの間にＬＥＤ４、４が
差し込まれＬＥＤ４、４が山形突起１ｂおよび円弧形状
突起１ｃ、１ｃに保持される。ＬＥＤ４、４のリード線
４ａ、４ａ…はプリント基板７に差し込まれてプリント
基板７のパターンに半田付けされる。As shown in detail in FIG. 1 (c), the chevron projection 1
The LEDs 4 and 4 are inserted between the b and the arc-shaped projections 1c and 1c, and the LEDs 4 and 4 are held by the chevron-shaped projection 1b and the arc-shaped projections 1c and 1c. The lead wires 4a, 4a, ... Of the LEDs 4, 4 are inserted into the printed board 7 and soldered to the pattern of the printed board 7.
【００１４】このようにプリント基板７に固定された箱
型採光板ホルダ１に図２に示すように採光板２、散光板
３およびＬＣＤ５が順次収容されて額縁形状のＬＣＤホ
ルダ６に押えられて保持される。ＬＣＤホルダ６には係
止片６ａ、６ａ…が設けられており、係止片６ａ、６ａ
…をプリント基板７の長穴に差し込んで曲げることによ
りＬＣＤホルダ６がプリント基板７に固定される。As shown in FIG. 2, the box-shaped daylighting plate holder 1 fixed to the printed circuit board 7 is sequentially accommodated with the daylighting plate 2, the light diffusing plate 3 and the LCD 5 and is pressed by the frame-shaped LCD holder 6. Retained. The LCD holder 6 is provided with locking pieces 6a, 6a ...
The LCD holder 6 is fixed to the printed circuit board 7 by inserting the ... Into the elongated hole of the printed circuit board 7 and bending.
【００１５】ＬＥＤ４から放射された光は採光板２によ
りＬＣＤ５の下方に導かれ、一部は箱型採光板ホルダ１
で反射され、さらに、散光板３により散光されてＬＣＤ
５を下方から照明する。The light emitted from the LED 4 is guided to the lower side of the LCD 5 by the daylighting plate 2, and part of the light is emitted from the box-shaped daylighting plate holder 1.
Is reflected by the LCD, and is further diffused by the diffusing plate 3 so that the LCD
Illuminate 5 from below.
【００１６】箱型採光板ホルダ１の周辺枠状部と底板部
は連なっているので、従来のもののように隙間から光が
漏れることはない。また、従来のものに比べて部品点数
や組み立て工数を削減することができる。Since the peripheral frame portion and the bottom plate portion of the box-type daylighting plate holder 1 are connected, light does not leak from the gap unlike the conventional one. Further, the number of parts and the number of assembling steps can be reduced as compared with the conventional one.
【００１７】また、採光板２の周囲から放射される光
は、箱型採光板ホルダ１の周辺枠状部で反射されて採光
板２の内部に戻されるため、採光板２は効率よく散光板
３およびＬＣＤ５に光を導くことができ、光むらも生じ
にくい。Light emitted from the periphery of the daylighting plate 2 is reflected by the peripheral frame portion of the box-shaped daylighting plate holder 1 and returned to the inside of the daylighting plate 2, so that the daylighting plate 2 is efficiently diffused. 3 can guide light to the LCD 3 and the LCD 5, and uneven light is unlikely to occur.
【００１８】実施例は以上のように構成されているが発
明はこれに限られず、例えば、箱型採光板ホルダを両面
テープによりプリント基板に固定するようにしてもよ
い。また、箱型採光板ホルダは光反射率が高ければ白色
でなくてもよい。Although the embodiment is configured as described above, the invention is not limited to this. For example, the box-shaped daylighting plate holder may be fixed to the printed board by a double-sided tape. Further, the box-shaped daylighting plate holder need not be white as long as the light reflectance is high.
【００１９】[0019]
【発明の効果】この発明の液晶表示装置の組付け構造に
よれば、採光板ホルダがリフレクタとＬＥＤホルダを兼
ねているので部品点数が少く、組み立て工数が削減され
る。According to the assembling structure of the liquid crystal display device of the present invention, since the daylighting plate holder serves as both the reflector and the LED holder, the number of parts is small and the number of assembling steps is reduced.
【００２０】さらに、採光板の周囲が光反射性の採光板
ホルダに覆われているので光漏れや光むらがなくなり、
ＬＣＤの輝度を高めることができる。Further, since the periphery of the daylighting plate is covered by the light-reflective daylighting plate holder, light leakage and light unevenness are eliminated.
The brightness of the LCD can be increased.
【図１】図１（ａ）はこの発明の実施例である液晶表示
装置の組付け構造の部分を示す平面図、図１（ｂ）は図
１（ａ）におけるＡ−Ａ断面図、図１（ｃ）は図１
（ａ）におけるＢ−Ｂ拡大断面図である。1 (a) is a plan view showing a portion of an assembly structure of a liquid crystal display device according to an embodiment of the present invention, FIG. 1 (b) is a sectional view taken along the line AA in FIG. 1 (a), Figure 1 (c) is
It is a BB enlarged sectional view in (a).
【図２】同液晶表示装置の組付け構造を示す断面図であ
る。FIG. 2 is a cross-sectional view showing an assembly structure of the liquid crystal display device.
【図３】従来の液晶表示装置の組付け構造の例を示す断
面図である。FIG. 3 is a cross-sectional view showing an example of an assembly structure of a conventional liquid crystal display device.
１ 箱型採光板ホルダ、１ａ フック、１ｂ 山形突
起、１ｃ 円弧形状突起
２ 採光板
３ 散光板
４ ＬＥＤ、４ａ リード線
５ ＬＣＤ
６ ＬＣＤホルダ、６ａ 係止片
７ プリント基板
８ 反射シート
９ 採光板
１０ ＬＥＤホルダ
１１ ＬＣＤホルダ、１１ａ 係止片1 Box-type lighting plate holder, 1a hook, 1b chevron projection, 1c arc-shaped projection 2 Lighting plate 3 Diffusing plate 4 LED, 4a Lead wire 5 LCD 6 LCD holder, 6a Locking piece 7 Printed circuit board 8 Reflective sheet 9 Lighting plate 10 LED holder 11 LCD holder, 11a locking piece
Claims (3)
よび光源を収納し、前記採光板を覆うように液晶表示装
置を配置したことを特徴とする液晶表示装置の組付け構
造。1. An assembly structure for a liquid crystal display device, wherein a daylighting plate and a light source are housed in a light-reflecting box-shaped daylighting plate holder, and a liquid crystal display device is arranged so as to cover the daylighting plate.
リント基板へ取り付けるためのフックが一体に成形され
た樹脂部品である請求項１の液晶表示装置の組付け構
造。2. The liquid crystal display device assembling structure according to claim 1, wherein the box-shaped daylighting plate holder is a resin part integrally formed with a light source holding part and a hook for attaching to a printed circuit board.
装置が順次載置され、これらの散光板および液晶表示装
置がプリント基板に固定されるホルダにより保持される
請求項１または２の液晶表示装置の組付け構造。3. The liquid crystal according to claim 1, wherein a light diffusing plate and a liquid crystal display device are sequentially mounted on the daylighting plate, and the light diffusing plate and the liquid crystal display device are held by a holder fixed to a printed circuit board. Display device assembly structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001286267A JP2003098508A (en) | 2001-09-20 | 2001-09-20 | Assembly structure for liquid crystal display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001286267A JP2003098508A (en) | 2001-09-20 | 2001-09-20 | Assembly structure for liquid crystal display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2003098508A true JP2003098508A (en) | 2003-04-03 |
Family
ID=19109284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2001286267A Pending JP2003098508A (en) | 2001-09-20 | 2001-09-20 | Assembly structure for liquid crystal display device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2003098508A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10890868B2 (en) | 2019-04-11 | 2021-01-12 | Fuji Xerox Co., Ltd. | Fixing member, fixing unit, and image forming apparatus |
-
2001
- 2001-09-20 JP JP2001286267A patent/JP2003098508A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10890868B2 (en) | 2019-04-11 | 2021-01-12 | Fuji Xerox Co., Ltd. | Fixing member, fixing unit, and image forming apparatus |
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