JPH03293390A - Liquid crystal panel fitting device - Google Patents
Liquid crystal panel fitting deviceInfo
- Publication number
- JPH03293390A JPH03293390A JP9590290A JP9590290A JPH03293390A JP H03293390 A JPH03293390 A JP H03293390A JP 9590290 A JP9590290 A JP 9590290A JP 9590290 A JP9590290 A JP 9590290A JP H03293390 A JPH03293390 A JP H03293390A
- Authority
- JP
- Japan
- Prior art keywords
- liquid crystal
- chassis
- fixed
- plate
- crystal panel
- 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
Links
- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 33
- 239000000853 adhesive Substances 0.000 abstract description 2
- 230000001070 adhesive effect Effects 0.000 abstract description 2
- 230000003287 optical effect Effects 0.000 description 3
- 230000000593 degrading effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
Landscapes
- Liquid Crystal (AREA)
- Transforming Electric Information Into Light Information (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
Description
【発明の詳細な説明】
（イ）産業上の利用分野
本発明は液晶プロジェクタにおける液晶パネル取付装置
に関する。DETAILED DESCRIPTION OF THE INVENTION (a) Industrial Application Field The present invention relates to a liquid crystal panel mounting device for a liquid crystal projector.
（ロ）従来の技術
従来、液晶表示パネルを用いた液晶プロジェクタとして
は特開昭６１〜１５０４８７号公報のものがある。(B) Prior Art Conventional liquid crystal projectors using a liquid crystal display panel include those disclosed in Japanese Patent Application Laid-open Nos. 61-150487.
上述の液晶プロジェクタの構成を第４図に示す。同図に
おいて、（１）は投射用光源、（２）（３）（４）（５
）は第１〜第４ダイクロミツクミラー（６）（７）は第
１、第２反射ミラー、（８）（９）（１０）は夫々、青
色、緑色及び赤色用のアクティブマドフックス型の液晶
パネル、（１１）は投写レンズ、（１２）はスクリーン
であり、光源（１）からの光は第１ダイクロイツクミラ
ー（２）及び第２ダイクロミツクミラー（３）で分光さ
れ、青色は第１反射ミラー（６）で反射された後、第１
〜第３液晶パネル（８）（９）（１ｏ）で夫々、画像情
報により変調された後、第３反射ミラー（７）及び第３
、第４ダイクロイツクミラー（４）（５）により再度合
成され、投写レンズ（１１）を介し゛てスクリーン（１
２）に画像が映出される。FIG. 4 shows the configuration of the above-mentioned liquid crystal projector. In the figure, (1) is a projection light source, (2) (3) (4) (5
) are the first to fourth dichroic mirrors (6), (7) are the first and second reflecting mirrors, and (8), (9), and (10) are active Madfuchs type liquid crystals for blue, green, and red, respectively. panel, (11) is a projection lens, (12) is a screen, the light from the light source (1) is separated by the first dichroic mirror (2) and the second dichroic mirror (3), and the blue color is separated by the first dichroic mirror (3). After being reflected by the reflecting mirror (6), the first
~ After being modulated by the image information in the third liquid crystal panels (8), (9), and (1o), the third reflecting mirror (7) and the third
, are combined again by the fourth dichroic mirrors (4) and (5), and projected onto the screen (1) via the projection lens (11).
2) The image is displayed.
そし−て、これらの光学要素は実際には第５図に示す如
く、シャーシ（１３）に取付けられた後、シャーシ（１
４）をカバーとして取付け、両者により挟持される構造
となっている。Then, these optical elements are actually attached to the chassis (13) as shown in FIG.
4) is attached as a cover and is sandwiched between the two.
上述の液晶プロジェクタにおいて、カラー画像を合成さ
せるためには基準となる一枚の液晶パネルに対して他の
２枚の液晶パネルの相対位置を調整する必要がある。こ
の調整を必要とする液晶パネルの調整機構は第６図に示
す如く、シャーシ（１３）（１４）に取り付けられる基
台（１５）に対して液晶パネル（８）を固定した移動板
（１７）を４方向から調整ネジ（１８）（１８）・・・
により調整する構成となっている。In the above-mentioned liquid crystal projector, in order to synthesize color images, it is necessary to adjust the relative positions of the other two liquid crystal panels with respect to one liquid crystal panel serving as a reference. The adjustment mechanism for the liquid crystal panel that requires this adjustment is, as shown in Figure 6, a movable plate (17) on which the liquid crystal panel (8) is fixed to a base (15) attached to the chassis (13) (14). Adjustment screws (18) (18) from 4 directions...
It is configured to be adjusted by
ここで、前記各液晶パネルの調整はシャーシ（１４）取
付後に行なうのが好ましいが、上述の調整機構であれば
、調整ネジ（１８）（１８）・・・の位置が液晶パネル
の上下、左右にあるためシャーシ（１４）取付後では工
具や手が入らず調整することが困難である。このため、
従来ではシャーシ（１３）への取付後でシャーシ（１４
）を取り付ける前に調整しなければならず、調整後にシ
ャーシ（１４）を取付けると液晶パネル（８）（９）（
１０）に傾きが発生し画質を劣化させたり、再調整が必
要となったりする。Here, it is preferable to adjust each of the liquid crystal panels after installing the chassis (14), but if the above-mentioned adjustment mechanism is used, the positions of the adjustment screws (18), (18)... Because of this, it is difficult to make adjustments after the chassis (14) is installed because no tools or hands are required. For this reason,
Conventionally, the chassis (14) was attached after being attached to the chassis (13).
) must be adjusted before installing the LCD panel (8) (9) (
10) A tilt occurs, degrading the image quality or requiring readjustment.
（ハ）発明が解決しようとする課題
本発明は上述の点に鑑み為されたものであり、カバー取
付は後でも液晶パネルの位置調整が容易にできる液晶パ
ネル取付装置を提供するものである。(c) Problems to be Solved by the Invention The present invention has been made in view of the above-mentioned points, and it is an object of the present invention to provide a liquid crystal panel mounting device in which the position of the liquid crystal panel can be easily adjusted even after the cover is mounted.
（ニ）課題を解決するための手段
本発明は、シャーシ（１３）（１４）に固定される固定
板（１９）と、この固定板に対して第１の方向にスライ
ド可能に取付けられるスライド板（２ｏ）と、このスラ
イド板のスライド量を調整する第１１１３３整ネジ（２
２）と、前記スライド板に対して前記第１の方向とは直
交する第２の方向にスライド可能に取付けられる移動板
（２３）と、この移動板のスライド量を調整する第２調
整ネジ（２５）（２６）と、前記移動板上に固定される
液晶パネル（８）とからなる液晶パネル取付装置である
。(d) Means for Solving the Problems The present invention includes a fixed plate (19) fixed to the chassis (13) (14), and a slide plate attached to the fixed plate so as to be slidable in a first direction. (2o) and the 11133rd adjustment screw (2o) that adjusts the sliding amount of this slide plate.
2), a movable plate (23) attached to the slide plate so as to be slidable in a second direction perpendicular to the first direction, and a second adjustment screw (23) for adjusting the sliding amount of the movable plate. 25) This is a liquid crystal panel mounting device consisting of (26) and a liquid crystal panel (8) fixed on the movable plate.
（ホ）作 用
上述の手段により液晶表示パネルは固定板に対して上下
、左右の調整が一方向からの作業で行なうことができる
。(E) Function By using the above-described means, the liquid crystal display panel can be adjusted vertically and horizontally relative to the fixing plate by working from one direction.
（へ）実施例
以下、図面に従い本発明の一実施例につき説明する。第
１図は本実施例装置の斜視図、第２図は同分解斜視図で
あり、図中、（１３）（１４）は夫々、長孔（１３ａ）
（１４ａ）を有し対向する一対の板体よりなる液晶プロ
ジェクタ本体のシャーシ、（１９）はこのシャーシにネ
ジ止め固定される固定板であり、辺より突出する舌片（
１９ａ）が前記長孔（１３ａ）に挿入され、他辺に形成
された第１折曲片（１９ｂ）が前記長孔（１４ａ）より
外方へ臨んでいる。（２０）は段付きネジ（２１）（２
１）によりこの固定板に対して第１の方向にスライド可
能に取付けられるスライド板であり、前記第を折曲片（
１９ｂ）に対向する第２新曲片（２０ａ）を有する。（
２２）は前記第１及び第２折曲片（１９ｂ）（２０ａ）
に螺合する第１調整ネジであり、第３図に示す如く中央
部にその外周にローレットが形成されたつば（２２ａ）
を有し、このつばの両側には夫々興なる方向にネジ山が
切られたネジ部（２２ｂ）（２２ｃ）が形成されており
、前記スライド板（２０）のスライド量を調整する。（
２３）はその上部に液晶パネル（８）を有し前記スライ
ド板に対して前記第１の方向とは直交する第２の方向に
スライド可能で、前記固定板に対しては保持板（２４）
により第１、第２方向にスライド可能に保持されている
移動板であり、前記長孔（１４ａ）に臨む一辺には第３
及び第４折曲片（２３ａ）（２３ｂ）が形成されている
。（２５）（２６）は夫々、前記第３及び第４折曲片と
前記スライド板に螺合する第２調整ネジであり、形状は
第１調整ネジ（２２）と全く同一である。(f) Example Hereinafter, one example of the present invention will be described with reference to the drawings. Fig. 1 is a perspective view of the device of this embodiment, and Fig. 2 is an exploded perspective view of the same.
(14a) is the chassis of the liquid crystal projector main body consisting of a pair of opposing plates; (19) is a fixing plate that is fixed to this chassis with screws;
19a) is inserted into the elongated hole (13a), and the first bent piece (19b) formed on the other side faces outward from the elongated hole (14a). (20) is a stepped screw (21) (2
1) is a sliding plate that is slidably attached to this fixed plate in a first direction, and the first part is a bent piece (
19b), and has a second new song piece (20a) opposite to the second new song piece (20a). (
22) are the first and second bent pieces (19b) (20a)
The collar (22a) has a knurling formed on its outer periphery in the center as shown in Fig. 3.
Threaded portions (22b) and (22c) with threads cut in the opposite direction are formed on both sides of this flange, respectively, to adjust the sliding amount of the slide plate (20). (
23) has a liquid crystal panel (8) on its upper part and is slidable with respect to the sliding plate in a second direction perpendicular to the first direction, and a holding plate (24) with respect to the fixed plate.
It is a movable plate that is held slidably in the first and second directions, and a third plate is provided on one side facing the elongated hole (14a).
and fourth bent pieces (23a) (23b). (25) and (26) are second adjustment screws that are screwed into the third and fourth bent pieces and the slide plate, respectively, and have the same shape as the first adjustment screw (22).
次に、本実施例装置の位置調整について説明する。Next, position adjustment of the device of this embodiment will be explained.
第１図の様に組立てられた本実施例装置は第１、第２調
整ネジ（２２）（２５）（２６）を含む調整部がシャー
シ（１４）の長孔（１４ａ ）より外部へ露出しており
、このカバーの外部より第１調整ネジ（２２）を調整す
ると液晶パネル（８）は第１の方向に移動し、第２調整
ネジ（２５）（２６）を調整すると第２の方向に移動す
る。In the device of this embodiment assembled as shown in Fig. 1, the adjustment part including the first and second adjustment screws (22), (25), and (26) is exposed to the outside through the long hole (14a) of the chassis (14). Adjusting the first adjustment screw (22) from the outside of this cover moves the liquid crystal panel (8) in the first direction, and adjusting the second adjustment screws (25) and (26) moves it in the second direction. Moving.
また、第２調整ネジ（２５）（２６）同志の調整により
シャーシ（１３）（１４）に対する傾きが調整可能であ
る。Further, the inclination with respect to the chassis (13) (14) can be adjusted by adjusting the second adjustment screws (25) (26).
尚、調整後、各調整ネジは接着剤等により固定される。Note that after adjustment, each adjustment screw is fixed with adhesive or the like.
（ト）発明の効果
上述の如く本発明に依れば、液晶パネルをシャーシー＼
取付けた後でもシャーシ外方から容易に位！調整を行な
うことができる。(G) Effects of the Invention As described above, according to the present invention, the liquid crystal panel can be mounted on the chassis\
Even after installation, it can be easily positioned from the outside of the chassis! Adjustments can be made.
第１図は本発明の一実施例における液晶パネル取付装置
の斜視図、第２図は同分解斜視図、第３図は第１ＩＩＲ
整ネジの斜視図、第４図は従来の液晶プロジェクタの光
学系の模式図、第５図は同光学系の斜視図、第６図は従
来の液晶パネルの調整機構を示す斜視図である。
（８）（９）（１０）・・・液晶パネル、（１３）（１
４）・・・シャーシ、（１９）・・・固定板、（２０）
・・・スライド板、（２３）・・・移動板、（２２）・
・・第１調整ネジ、（２５）（２６）・・・第２調整ネ
ジ。
３
第１図
第５図
１１FIG. 1 is a perspective view of a liquid crystal panel mounting device according to an embodiment of the present invention, FIG. 2 is an exploded perspective view of the same, and FIG. 3 is a 1IIR
FIG. 4 is a schematic diagram of an optical system of a conventional liquid crystal projector, FIG. 5 is a perspective view of the same optical system, and FIG. 6 is a perspective view of a conventional adjustment mechanism of a liquid crystal panel. (8)(9)(10)...Liquid crystal panel, (13)(1
4)...Chassis, (19)...Fixing plate, (20)
...Sliding board, (23)...Moving board, (22).
...First adjustment screw, (25) (26)...Second adjustment screw. 3 Figure 1 Figure 5 11
Claims (2)
１９）と、この固定板に対して第１の方向にスライド可
能に取付けられるスライド板（２０）と、このスライド
板のスライド量を調整する第１調整ネジ（２２）と、前
記スライド板に対して前記第１の方向とは直交する第２
の方向にスライド可能に取付けられる移動板（２３）と
、この移動板のスライド量を調整する第２調整ネジ（２
５）（２６）と、前記移動板上に固定される液晶パネル
（８）とからなる液晶パネル取付装置。(1) Fixed plate fixed to chassis (13) (14) (
19), a slide plate (20) that is slidably attached to the fixed plate in a first direction, a first adjustment screw (22) that adjusts the sliding amount of the slide plate, and and a second direction perpendicular to the first direction.
A moving plate (23) that is attached to be slidable in the direction of
5) A liquid crystal panel mounting device comprising (26) and a liquid crystal panel (8) fixed on the movable plate.
６）は前記シャーシ（１４）の外部へ露出してなる請求
項１記載の液晶パネル取付装置。(2) The first and second adjustment screws (22) (25) (2)
The liquid crystal panel mounting device according to claim 1, wherein 6) is exposed to the outside of the chassis (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2095902A JP2895908B2 (en) | 1990-04-10 | 1990-04-10 | LCD panel mounting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2095902A JP2895908B2 (en) | 1990-04-10 | 1990-04-10 | LCD panel mounting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03293390A true JPH03293390A (en) | 1991-12-25 |
| JP2895908B2 JP2895908B2 (en) | 1999-05-31 |
Family
ID=14150228
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2095902A Expired - Fee Related JP2895908B2 (en) | 1990-04-10 | 1990-04-10 | LCD panel mounting device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2895908B2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1995012142A1 (en) * | 1993-10-27 | 1995-05-04 | Seiko Epson Corporation | Liquid crystal projector |
| CN100359373C (en) * | 2004-02-06 | 2008-01-02 | 京东方显示器科技公司 | Position-variable connection structure for liquid crystal panels |
| CN100397879C (en) * | 1999-02-02 | 2008-06-25 | 精工爱普生株式会社 | Electro-optical device mounting assembly and projection display device using the same |
-
1990
- 1990-04-10 JP JP2095902A patent/JP2895908B2/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1995012142A1 (en) * | 1993-10-27 | 1995-05-04 | Seiko Epson Corporation | Liquid crystal projector |
| USRE40450E1 (en) | 1993-10-27 | 2008-08-05 | Seiko Epson Corporation | Liquid crystal projector |
| CN100397879C (en) * | 1999-02-02 | 2008-06-25 | 精工爱普生株式会社 | Electro-optical device mounting assembly and projection display device using the same |
| CN100359373C (en) * | 2004-02-06 | 2008-01-02 | 京东方显示器科技公司 | Position-variable connection structure for liquid crystal panels |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2895908B2 (en) | 1999-05-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP2000259093A (en) | Adjustment mechanism and projection display device using the same | |
| JPH10319501A (en) | Rear projection monitor | |
| CN106886101B (en) | Liquid crystal display and projecting display | |
| US6089730A (en) | Illumination apparatus and projector | |
| JPH0351881A (en) | Liquid crystal projector | |
| JP2895908B2 (en) | LCD panel mounting device | |
| JP3363829B2 (en) | Integrator lens position adjustment mechanism and projector using the position adjustment mechanism | |
| JP2792073B2 (en) | LCD projector | |
| JPH04181938A (en) | Projection type display device | |
| JPH02195382A (en) | Liquid crystal video projector system | |
| JP3180452B2 (en) | Liquid crystal display | |
| JP3789512B2 (en) | Optical prism device and projector device | |
| JP2001051249A (en) | Method for adjusting rear projection type display apparatus, and apparatus using thereof | |
| JPH0538644U (en) | LCD panel alignment adjustment mechanism | |
| JPH04131834A (en) | lcd projector | |
| KR100236906B1 (en) | LCD Projector with Liquid Crystal Attached to Color Synthesis Prism | |
| JP2558538B2 (en) | LCD projector | |
| JP2578695B2 (en) | Liquid crystal panel attachment / detachment and convergence adjustment device for optical equipment | |
| JP4194256B2 (en) | Liquid crystal projection display | |
| JPH0383036A (en) | rear video projector | |
| JPH11218746A (en) | LCD panel position adjustment mechanism | |
| JPH0351880A (en) | Liquid crystal projector | |
| JP2882374B2 (en) | LCD projector mirror holding mechanism | |
| JPH058520U (en) | Mirror mounting mechanism | |
| JPH05241146A (en) | Liquid crystal projector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |