JPH05236487A - Convergence adjusting device - Google Patents
Convergence adjusting deviceInfo
- Publication number
- JPH05236487A JPH05236487A JP4035271A JP3527192A JPH05236487A JP H05236487 A JPH05236487 A JP H05236487A JP 4035271 A JP4035271 A JP 4035271A JP 3527192 A JP3527192 A JP 3527192A JP H05236487 A JPH05236487 A JP H05236487A
- Authority
- JP
- Japan
- Prior art keywords
- liquid crystal
- slide plate
- convergence
- substrate
- crystal display
- 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
Landscapes
- Projection Apparatus (AREA)
- Transforming Electric Information Into Light Information (AREA)
- Video Image Reproduction Devices For Color Tv Systems (AREA)
Abstract
Description
【0001】[0001]
【産業上の利用分野】本発明は、液晶表示パネルを用い
た液晶プロジェクタに関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a liquid crystal projector using a liquid crystal display panel.
【0002】[0002]
【従来の技術】投写型液晶表示装置の構成には、特開平
3−51881号公報に開示されているものがある。2. Description of the Related Art As a configuration of a projection type liquid crystal display device, there is one disclosed in Japanese Patent Laid-Open No. 3-51881.
【0003】図1にこの投写型液晶表示装置の構成図を
示す。FIG. 1 shows a block diagram of this projection type liquid crystal display device.
【0004】この図において、(1)は投写用光源,
(2),(3)は各々青色光,赤色光のみを反射するダ
イクロイックミラー、(4),(5),(6)は反射ミ
ラー、(7),(8),(9)は各々緑色,赤色および
青色用のアクティブマトリクス型の液晶表示パネルを使
用した液晶ユニット、(10),(11)は各々、赤色
のみおよび緑色のみを反射するダイクロイックミラー、
(12)は投写レンズである。In this figure, (1) is a projection light source,
(2) and (3) are dichroic mirrors that reflect only blue light and red light respectively, (4), (5) and (6) are reflection mirrors, and (7), (8) and (9) are green respectively. , A liquid crystal unit using an active matrix liquid crystal display panel for red and blue, (10) and (11) are dichroic mirrors that reflect only red and green, respectively.
(12) is a projection lens.
【0005】また、これらの光学部品(1)〜(12)
を保持するためにベース構造部材(13)を有する。Further, these optical components (1) to (12)
It has a base structural member (13) for holding.
【0006】光源(1)から放射される光はダイクロイ
ックミラー(2),(3)で分光され、青色光は反射ミ
ラー(5)で反射され、それぞれ液晶ユニット(7),
(8),(9)で画像情報により変調された後、緑色光
は反射ミラー(6)で反射されダイクロイックミラー
(10),(11)により合成され、投写レンズ(1
2)を介してスクリーンに画像を写し出す。The light emitted from the light source (1) is separated by the dichroic mirrors (2) and (3), and the blue light is reflected by the reflection mirror (5), and the liquid crystal unit (7) and the liquid crystal unit (7), respectively.
After being modulated by the image information in (8) and (9), the green light is reflected by the reflection mirror (6) and is combined by the dichroic mirrors (10) and (11), and the projection lens (1
The image is displayed on the screen via 2).
【0007】ここで、上述の投写型液晶表示装置におい
て、緑色,赤色および青色の画像情報の相対的な位置ず
れを修正するためのコンバ−ジェンス調整機構は一般に
緑,赤,青のパネルの内いずれか一色を固定し、残りの
2色をそれぞれ固定した一色に一致させる方式が取られ
ている。Here, in the above-mentioned projection type liquid crystal display device, the convergence adjusting mechanism for correcting the relative positional deviation of the green, red and blue image information is generally one of the green, red and blue panels. A method is adopted in which one of the two colors is fixed and the remaining two colors are matched with the fixed one color.
【0008】図2に従来のコンバ−ジェンス調整装置の
構成図を示す。この図において、(14)は液晶表示パ
ネル、(15)は該液晶表示パネル(14)を保持し、
ベース構造部材(13)にビス(16),(17)で垂
直に固定された基板(18)上を上下,左右に移動可能
なスライド板である。FIG. 2 shows a block diagram of a conventional convergence adjusting device. In this figure, (14) is a liquid crystal display panel, (15) is a liquid crystal display panel (14),
It is a slide plate that can move vertically and horizontally on a substrate (18) vertically fixed to the base structural member (13) with screws (16) and (17).
【0009】(19)〜(24)は基板(18)に取り
付けられた金具(25)〜(30)に螺合し、スライド
板の移動量を調整するビス(31)〜(33)はスライ
ド板(15)を基板(18)上に移動可能な様に保持す
るためのスプリング内蔵型のビスで、その断面構造は図
3に示すようになっている。The screws (19) to (24) are screwed into the metal fittings (25) to (30) attached to the substrate (18), and the screws (31) to (33) for adjusting the moving amount of the slide plate are slid. A spring built-in screw for movably holding the plate (15) on the substrate (18), and its sectional structure is as shown in FIG.
【0010】(34)〜(37)は液晶表示パネル(1
4)をスライド板(15)に固定するためのビス,(3
8)は画像表示部である。(34) to (37) are liquid crystal display panels (1
Screws (3) for fixing 4) to the slide plate (15)
8) is an image display unit.
【0011】投写型液晶表示装置では、上述の投写レン
ズ(12)を用いて画像をスクリーンに写し出すために
画像表示部(38)に上下および左右に逆転した画像を
提示する必要がある。このため、仮に調整しようとする
液晶表示パネルが図4に示すようにずれていると、ま
ず、左側面上のビス(20)と左下のビス(22)を引
き出す方向に回転し、右下のビス(23)を繰り出す方
向に回転し、図5に示す状態まで回転させた後、上のビ
ス(19)を引き出し、下のビス2本(22),(2
3)を繰り出す方向に回転しなければならない。In the projection type liquid crystal display device, it is necessary to present vertically and horizontally reversed images to the image display section (38) in order to display the image on the screen using the above-mentioned projection lens (12). Therefore, if the liquid crystal display panel to be adjusted is displaced as shown in FIG. 4, first, the screw (20) on the left side surface and the screw (22) on the lower left side are rotated in the direction of pulling out, and the screw on the lower right side is moved. After rotating the screw (23) in the feeding direction and rotating it to the state shown in FIG. 5, the upper screw (19) is pulled out and the lower screws (22), (2
3) It must be rotated in the direction of feeding.
【0012】このように、従来の投写型液晶表示装置の
コンバ−ジェンス調整では、ズレの方向とは逆方向の複
雑な調整を必要としていた。As described above, in the convergence adjustment of the conventional projection type liquid crystal display device, complicated adjustment in the direction opposite to the deviation direction is required.
【0013】[0013]
【発明が解決しようとする課題】本発明は、上記事情に
鑑みてなされたものであり、簡便な機構で投写型液晶表
示装置のコンバ−ジェンス調整をズレ方向と調整方向が
一致するようにすることを技術的課題とする。SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and makes it possible to adjust the convergence direction of the convergence adjustment of the projection type liquid crystal display device by using a simple mechanism. This is a technical issue.
【0014】[0014]
【課題を解決するための手段】本発明のコンバ−ジェン
ス調整装置は、少なくとも赤、緑、青の3成分を発する
光源と、該光源からの光を赤、緑、青の3成分に分離す
る光分離手段と、該分離手段により分離された赤、緑、
青の3成分の光の各光路中に挿入され、画像情報に応じ
て前記3成分の光を変調する液晶表示手段と、該液晶表
示手段を透過した3成分の光を光学的に合成する光合成
手段とを備える液晶プロジェクタの画像情報の相対的な
位置ズレを補正するコンバ−ジェンス装置において、液
晶パネルと、該液晶パネルを保持したスライド板と、上
記液晶プロジェクタの光学部品を保持するベース構造部
材と、該ベース構造部材に固定された基板と、該基板と
上記スライド板との相対位置を調節する調節ネジと、を
有し、上記基板に上下,左右移動可能に上記スライド板
を取り付け、上記調節ネジを繰り出す場合、繰り出す方
向と逆方向に上記基板に対して上記スライド板が移動せ
しめるようにすることを特徴とする。A convergence adjusting device of the present invention separates a light source emitting at least three components of red, green and blue and a light from the light source into three components of red, green and blue. Light separating means and red, green separated by the separating means,
Liquid crystal display means that is inserted into each optical path of the blue three-component light and modulates the three-component light according to image information, and photosynthesis that optically combines the three-component light transmitted through the liquid crystal display means. In a convergence device for correcting relative positional deviation of image information of a liquid crystal projector including a liquid crystal panel, a liquid crystal panel, a slide plate holding the liquid crystal panel, and a base structural member holding the optical component of the liquid crystal projector. A base plate fixed to the base structure member, and an adjusting screw for adjusting the relative position of the base plate and the slide plate. The slide plate is attached to the base plate so as to be vertically and horizontally movable. When the adjusting screw is extended, the slide plate can be moved with respect to the substrate in a direction opposite to the extending direction.
【0015】また、上記スライド板に棒状片を一方の端
を回動可能に固定し、該棒状片の他端を上記基板の側面
に当接するように取り付け、上記調節ネジにより上記棒
状片の側面を押すように上記調節ネジを設けたことを特
徴とする。A rod-shaped piece is rotatably fixed to the slide plate at one end, the other end of the rod-shaped piece is attached so as to abut the side surface of the substrate, and the side surface of the rod-shaped piece is adjusted by the adjusting screw. The adjusting screw is provided so as to press.
【0016】[0016]
【作用】ベース構造部材に垂直に固定した基板をスライ
ド板が上下,左右に移動可能に保持することで、ズレ方
向と調整方向を同一方向にすることができる。Operation: By holding the substrate fixed vertically to the base structure member so that the slide plate can move vertically and horizontally, the shift direction and the adjustment direction can be made the same direction.
【0017】また、棒状部材の一端を回動可能にスライ
ド板に取りつけ、他端が液晶表示パネルの側面に当接さ
せ、棒状部材の側面に調整ビスを当接させることで上
下,左右の調整の逆転をなくすことができる。Also, one end of the rod-shaped member is rotatably attached to the slide plate, the other end is brought into contact with the side surface of the liquid crystal display panel, and the adjustment screw is brought into contact with the side surface of the rod-shaped member to adjust the vertical and horizontal directions. It is possible to eliminate the reversal of.
【0018】[0018]
【実施例】以下、図6および図7を用いて本発明の一実
施例について説明する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS.
【0019】図6は、本発明のコンバ−ジェンス調整装
置の斜視図である。FIG. 6 is a perspective view of the convergence adjusting device of the present invention.
【0020】図中、(39)はスライド板であり、液晶
表示パネル(40)を保持し、ベース構造部材(41)
にビス(42)(43)で垂直に固定された基板(4
4)上を上下左右方向に可動にしたものである。In the figure, (39) is a slide plate which holds the liquid crystal display panel (40) and which is a base structural member (41).
The board (4) fixed vertically with screws (42) (43)
4) The top is movable vertically and horizontally.
【0021】(45)〜(50)は移動量調整ビスであ
り、スライド板(39)に取り付けられた金具(51)
〜(56)に螺合し、スライド板(39)の移動量を調
整する。Reference numerals (45) to (50) are movement amount adjusting screws, and metal fittings (51) attached to the slide plate (39).
To (56) are screwed together to adjust the movement amount of the slide plate (39).
【0022】(57)〜(59)は図3に示すようなス
プリング内蔵型のビスであり、スライド板(39)を基
板(44)上に移動可能にせしめ且つ保持するものであ
る。Reference numerals (57) to (59) denote spring built-in type screws as shown in FIG. 3, which allow the slide plate (39) to move and hold it on the substrate (44).
【0023】而して、図4に示すようなズレが生じた場
合、ビス(47)を繰り出すことで液晶パネル(40)
の下方を押す。When a displacement as shown in FIG. 4 occurs, the screw (47) is extended to cause the liquid crystal panel (40).
Press below.
【0024】このため、図5に示すように横方向の傾き
を補正した状態にすることができる。Therefore, as shown in FIG. 5, the lateral tilt can be corrected.
【0025】図7は、本発明の他の実施例を示したもの
であり、本発明のコンバ−ジェンス調整装置の斜視図で
ある。FIG. 7 shows another embodiment of the present invention and is a perspective view of the convergence adjusting device of the present invention.
【0026】図中、(39)はスライド板であり、液晶
表示パネル(40)を保持し、ベース構造部材(41)
にビス(42)(43)で垂直に固定された基板(4
4)上を上下左右方向に可動にしたものである。In the figure, (39) is a slide plate which holds the liquid crystal display panel (40) and which is a base structural member (41).
The board (4) fixed vertically with screws (42) (43)
4) The top is movable vertically and horizontally.
【0027】(45)〜(50)は移動量調整ビスであ
り、スライド板(24)に取り付けられた金具(51)
〜(56)に螺合し、スライド板(39)の移動量を調
整する。Reference numerals (45) to (50) are movement amount adjusting screws, and metal fittings (51) attached to the slide plate (24).
To (56) are screwed together to adjust the movement amount of the slide plate (39).
【0028】(57)〜(59)は図3に示すようなス
プリング内蔵型のビスであり、スライド板(39)を基
板(44)上に移動可能にせしめ且つ保持するものであ
る。(57) to (59) are spring built-in type screws as shown in FIG. 3, which allow the slide plate (39) to move and hold it on the substrate (44).
【0029】(60)〜(63)は棒状部材であり、そ
の一端(64)〜(67)を回動可能にスライド板(3
9)に取りつけられ、他端が液晶表示パネル(40)の
側面に当接している。Reference numerals (60) to (63) are rod-shaped members, and one ends (64) to (67) of the rod members are rotatably mounted on the slide plate (3).
9) and the other end is in contact with the side surface of the liquid crystal display panel (40).
【0030】また、棒状部材(60)〜(63)の側面
にビス(46)〜(50)が当接している。さらに、棒
状部材(60)と(61)、棒状部材(62)と(6
3)は一部を切り欠くことで立体交差させることで互い
に接しないように取り付けられている。Further, the screws (46) to (50) are in contact with the side surfaces of the rod-shaped members (60) to (63). Furthermore, rod-shaped members (60) and (61), rod-shaped members (62) and (6)
3) are attached so that they do not touch each other by crossing over by cutting out a part.
【0031】而して、図4に示すようなズレが生じた場
合、ビス(45)を繰り出すことで棒状部材(60)の
一端(64)を支点として他端で液晶パネル(40)の
下方を押す。When a displacement as shown in FIG. 4 occurs, the screw (45) is extended so that one end (64) of the rod-shaped member (60) is a fulcrum and the other end is below the liquid crystal panel (40). push.
【0032】このため、図5に示すように横方向の傾き
を補正した状態にすることができる。Therefore, as shown in FIG. 5, the lateral tilt can be corrected.
【0033】[0033]
【発明の効果】上述のごとく、本発明によると、画像の
ズレ方向と修正方向を一致させることができるため、液
晶プロジェクタのコンバ−ジェンス調整を容易にするこ
とができる。As described above, according to the present invention, since the image shift direction and the correction direction can be made to coincide with each other, the convergence adjustment of the liquid crystal projector can be facilitated.
【図1】投写型液晶表示装置の構成図。FIG. 1 is a configuration diagram of a projection type liquid crystal display device.
【図2】従来のコンバ−ジェンス調整装置の構成図。FIG. 2 is a configuration diagram of a conventional convergence adjustment device.
【図3】スプリング内蔵型のビスの断面図。FIG. 3 is a sectional view of a screw having a built-in spring.
【図4】画像のズレを説明する模式図。FIG. 4 is a schematic diagram illustrating image shift.
【図5】画像のズレ修正を説明する模式図。FIG. 5 is a schematic diagram illustrating image misalignment correction.
【図6】本発明のコンバ−ジェンス調整装置の斜視図。FIG. 6 is a perspective view of the convergence adjusting device of the present invention.
【図7】本発明のコンバ−ジェンス調整装置の斜視図。FIG. 7 is a perspective view of the convergence adjusting device of the present invention.
1.光源 2,3.ダイクロイックミラー 4〜6.反射ミラー 7〜9.液晶ユニット 10,11.ダイクロイックミラー 12.投写レンズ 13.ベース構造部材 14.液晶パネル 15.スライド板 16,17.ビス 18.基板 19〜24.調整ビス 25〜30.金具 31〜33.スプリング内蔵型ビス 34〜37.ビス 38.画像表示部 39.スライド板 40.液晶表示パネル 41.ベース部材 42〜43.ビス 44.基板 45〜50.調整ビス 51〜56.金具 57〜59.スプリング内蔵型ビス 60〜63.棒状部材 1. Light source 2,3. Dichroic mirror 4-6. Reflecting mirror 7-9. Liquid crystal unit 10, 11. Dichroic mirror 12. Projection lens 13. Base structural member 14. Liquid crystal panel 15. Slide plate 16,17. Screw 18. Substrate 19-24. Adjustment screw 25-30. Metal fittings 31 to 33. Spring built-in screw 34-37. Screw 38. Image display section 39. Slide plate 40. Liquid crystal display panel 41. Base member 42-43. Screw 44. Substrate 45-50. Adjustment screw 51-56. Metal fittings 57-59. Spring built-in screw 60-63. Bar
Claims (2)
光源と、該光源からの光を赤、緑、青の3成分に分離す
る光分離手段と、該分離手段により分離された赤、緑、
青の3成分の光の各光路中に挿入され、画像情報に応じ
て前記3成分の光を変調する液晶表示手段と、該液晶表
示手段を透過した3成分の光を光学的に合成する光合成
手段とを備える液晶プロジェクタの画像情報の相対的な
位置ズレを補正するコンバ−ジェンス調整装置におい
て、液晶パネルと、該液晶パネルを保持したスライド板
と、上記液晶プロジェクタの光学部品を保持するベース
構造部材と、該ベース構造部材に固定された基板と、該
基板と上記スライド板との相対位置を調節する調節ネジ
と、を有し、上記基板に上下,左右移動可能に上記スラ
イド板を取り付け、上記調節ネジを繰り出す場合、繰り
出す方向と逆方向に上記基板に対して上記スライド板を
移動させるようにすることを特徴とするコンバ−ジェン
ス調整装置。1. A light source that emits at least three components of red, green, and blue, a light separating unit that separates light from the light source into three components of red, green, and blue, and red that is separated by the separating unit. Green,
Liquid crystal display means that is inserted into each optical path of the blue three-component light and modulates the three-component light according to image information, and photosynthesis that optically combines the three-component light transmitted through the liquid crystal display means. In a convergence adjusting device for correcting relative positional deviation of image information of a liquid crystal projector, a liquid crystal panel, a slide plate holding the liquid crystal panel, and a base structure for holding optical components of the liquid crystal projector. A member, a base plate fixed to the base structure member, and an adjusting screw for adjusting the relative position of the base plate and the slide plate, and the slide plate is attached to the base plate so as to be vertically and horizontally movable, A convergence adjusting device, wherein when the adjusting screw is extended, the slide plate is moved with respect to the substrate in a direction opposite to the extending direction.
動可能に固定し、該棒状片の他端を上記基板の側面に当
接するように取り付け、上記調節ネジにより上記棒状片
の側面を押すように上記調節ネジを設けたことを特徴と
する請求項第1項記載のコンバ−ジェンス調整装置。2. A rod-shaped piece is rotatably fixed to the slide plate at one end, the other end of the rod-shaped piece is attached so as to abut against a side surface of the substrate, and the side surface of the rod-shaped piece is adjusted by the adjusting screw. 2. The convergence adjusting device according to claim 1, wherein the adjusting screw is provided so as to push.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP03527192A JP3291309B2 (en) | 1992-02-21 | 1992-02-21 | Convergence adjustment device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP03527192A JP3291309B2 (en) | 1992-02-21 | 1992-02-21 | Convergence adjustment device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH05236487A true JPH05236487A (en) | 1993-09-10 |
JP3291309B2 JP3291309B2 (en) | 2002-06-10 |
Family
ID=12437131
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP03527192A Expired - Fee Related JP3291309B2 (en) | 1992-02-21 | 1992-02-21 | Convergence adjustment device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP3291309B2 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0697795A3 (en) * | 1994-08-17 | 1996-07-03 | Thomson Brandt Gmbh | Arrangement for adjusting a display device with a housing |
KR20030083496A (en) * | 2002-04-23 | 2003-10-30 | 삼성전기주식회사 | Image unit bonding unit for convergence control in Projection Television |
-
1992
- 1992-02-21 JP JP03527192A patent/JP3291309B2/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0697795A3 (en) * | 1994-08-17 | 1996-07-03 | Thomson Brandt Gmbh | Arrangement for adjusting a display device with a housing |
KR20030083496A (en) * | 2002-04-23 | 2003-10-30 | 삼성전기주식회사 | Image unit bonding unit for convergence control in Projection Television |
Also Published As
Publication number | Publication date |
---|---|
JP3291309B2 (en) | 2002-06-10 |
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