JP3096613B2 - 3D display device - Google Patents
3D display deviceInfo
- Publication number
- JP3096613B2 JP3096613B2 JP07132282A JP13228295A JP3096613B2 JP 3096613 B2 JP3096613 B2 JP 3096613B2 JP 07132282 A JP07132282 A JP 07132282A JP 13228295 A JP13228295 A JP 13228295A JP 3096613 B2 JP3096613 B2 JP 3096613B2
- Authority
- JP
- Japan
- Prior art keywords
- eye
- image
- pixel
- optical filter
- liquid crystal
- 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
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- Liquid Crystal (AREA)
- Transforming Electric Information Into Light Information (AREA)
- Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
- Stereoscopic And Panoramic Photography (AREA)
Description
【０００１】この発明は、特殊な眼鏡を必要とせずに立
体映像を鑑賞できる立体表示装置に関し、特に縦ストラ
イプ状のカラーフィルタを用いたカラー液晶パネルを映
像表示パネルとして用いた場合に鮮明な立体映像を得る
ことができる立体表示装置に関するものである。The present invention relates to a three-dimensional display device capable of viewing a three-dimensional image without requiring special glasses, and particularly to a clear three-dimensional display device using a color liquid crystal panel using a vertical stripe color filter as an image display panel. The present invention relates to a three-dimensional display device capable of obtaining an image.
【０００２】[0002]
【従来の技術】従来から特殊な眼鏡を必要とせずに立体
映像を鑑賞できる装置として知られているパララックス
バリア方式の立体表示装置は、図１５に示すように、例
えば映像表示パネルとしての液晶パネル２の観察者側
に、開口部４１と遮光部４２とが縦ストライプ状に交互
に配置されたパララックスバリア４が設けられ、平面状
に発光する光源装置１から出射された光が液晶パネル２
を透過し、この液晶パネル２に表示された映像をパララ
ックスバリア４を介して観察する。2. Description of the Related Art A parallax barrier type stereoscopic display device, which is conventionally known as a device capable of viewing a stereoscopic image without requiring special glasses, is, for example, shown in FIG. A parallax barrier 4 in which openings 41 and light-shielding portions 42 are alternately arranged in a vertical stripe shape on the viewer side of the panel 2 is provided. 2
And the image displayed on the liquid crystal panel 2 is observed through the parallax barrier 4.
【０００３】上記液晶パネル２上には、図１６のように
右目用画像と左目用画像が縦ストライプ状に交互に並ん
で表示され、”右”と書かれた画素列に表示される右目
用映像と、”左”と書かれた画素列に表示される左目用
映像をパララックスバリア４により分離して観測し、視
差を生じさせることにより立体映像を得ている。[0006] On the liquid crystal panel 2, a right-eye image and a left-eye image are displayed alternately in a vertical stripe pattern as shown in FIG. 16, and are displayed in a pixel column written “right” for a right eye. A stereoscopic image is obtained by generating a parallax by observing the image and the image for the left eye displayed in the pixel column described as “left” by the parallax barrier 4.
【０００４】そして、上記パララックスバリアの１つの
開口部４１に２列以上の画素列を対応させた方式、いわ
ゆる多眼式の場合には、より広い範囲で立体映像が観測
できる。図１７に、４眼式の立体表示装置の構成を示
す。この図において、液晶パネル２の画素２１〜２４が
それぞれ４つの視点Ａ〜Ｄに対応している。[0004] In the case of a system in which two or more pixel columns correspond to one opening 41 of the parallax barrier, that is, a so-called multi-view system, a stereoscopic image can be observed in a wider range. FIG. 17 shows a configuration of a four-eye type stereoscopic display device. In this figure, pixels 21 to 24 of the liquid crystal panel 2 correspond to four viewpoints A to D, respectively.
【０００５】ところで、パーソナルコンピューター等の
ディスプレイ装置として用いられる液晶パネル２は、映
像の縦線を鮮明に表示するためにカラーフィルタの配列
が図１８に示すような縦ストライプ状になっている。こ
の図において、”Ｒ”、”Ｇ”、”Ｂ”はそれぞれレッ
ド、グリーン、ブルーのカラーフィルタが対応した画素
を表す。The liquid crystal panel 2 used as a display device of a personal computer or the like has an arrangement of color filters in a vertical stripe shape as shown in FIG. 18 in order to clearly display vertical lines of an image. In this figure, "R", "G", and "B" represent pixels corresponding to red, green, and blue color filters, respectively.
【０００６】この液晶パネル２を用いて立体表示を行う
場合には、右目用画像と左目用画像がブラック部を挟ん
で縦ストライプ状に交互に並んで表示される。すなわ
ち、”右”と書かれた画素に右目用の映像が、”左”と
書かれた画素に左目用の映像が表示され、上記パララッ
クスバリア４により、左右の映像が分離される。When a three-dimensional display is performed using the liquid crystal panel 2, a right-eye image and a left-eye image are displayed alternately in a vertical stripe with a black portion interposed therebetween. That is, a right-eye image is displayed on a pixel written “right”, and a left-eye image is displayed on a pixel written “left”. The parallax barrier 4 separates the left and right images.
【０００７】このような立体表示装置では、左右の目は
それぞれ図１９、図２０に示すように、水平方向の解像
度が半分の縦ストライプ状のカラーフィルタが用いられ
た液晶パネル上に表示された映像と同等の映像を観察す
ることになる。例えば、画素ピッチが０．１１ｍｍの液
晶パネルを用いたパララックスバリア方式立体表示装置
の場合、左右の目はそれぞれ画素ピッチが０．２２ｍｍ
の液晶パネル上の映像を見ているのと同等になる。In such a stereoscopic display device, the left and right eyes are displayed on a liquid crystal panel using a vertical stripe color filter having a half resolution in the horizontal direction, as shown in FIGS. 19 and 20, respectively. You will observe a video equivalent to the video. For example, in the case of a parallax barrier type stereoscopic display device using a liquid crystal panel having a pixel pitch of 0.11 mm, the left and right eyes each have a pixel pitch of 0.22 mm.
It is equivalent to watching the image on the LCD panel.
【０００８】また、従来の特殊な眼鏡を必要とせずに立
体映像を鑑賞できる別の方式として、図２１のように縦
ストライプ状の遮光部をもつ光学フィルタ３を液晶パネ
ル２と光源装置１の間に配置する立体表示装置がある。
この方式においてもパララックスバリア方式の場合と同
様に、左右の目は水平方向の解像度が半分の縦ストライ
プ状のカラーフィルタが用いられた液晶パネル上に表示
された映像と同等の映像を観察することになる。As another method for viewing stereoscopic images without the need for conventional special glasses, an optical filter 3 having a vertical stripe-shaped light shielding portion as shown in FIG. There is a three-dimensional display device arranged between them.
In this method, as in the case of the parallax barrier method, the left and right eyes observe an image equivalent to the image displayed on the liquid crystal panel using a vertical stripe color filter having half the horizontal resolution. Will be.
【０００９】従来のさらに別の方式として、図２２のよ
うに液晶パネル２の観察者側に縦ストライプ状の遮光部
をもつ光学フィルタ４を配置し、さらに液晶パネル２と
光源装置１の間に縦ストライプ状の遮光部をもつ光学フ
ィルタ３を配置する立体表示装置がある。この方式にお
いてもパララックスバリア方式の場合と同様に、左右の
目は水平方向の解像度が半分の縦ストライプ状のカラー
フィルタが用いられた液晶パネル上に表示された映像と
同等の映像を観察することになる。As still another conventional system, an optical filter 4 having a vertical stripe-shaped light shielding portion is arranged on the viewer side of the liquid crystal panel 2 as shown in FIG. There is a stereoscopic display device in which an optical filter 3 having a vertical stripe-shaped light shielding portion is arranged. In this method, as in the case of the parallax barrier method, the left and right eyes observe an image equivalent to the image displayed on the liquid crystal panel using a vertical stripe color filter having half the horizontal resolution. Will be.
【００１０】[0010]
【発明が解決しようとする課題】ところで、一般に人間
の目は青色に対する感度が悪いため、上記の様な映像で
はカラーフィルタの青の部分の暗さが目立ち、黒い縦縞
が存在するように感じられるという問題がある。Since the human eye generally has poor sensitivity to blue, the darkness of the blue portion of the color filter is conspicuous in such images, and black vertical stripes are felt. There is a problem.
【００１１】この発明は、上記の事情を鑑みてなされた
ものであり、カラーフィルタが縦ストライプ状の液晶パ
ネルを用いた場合でも鮮明な立体映像を得ることができ
る立体表示装置を提供することを目的とするものであ
る。The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a three-dimensional display device capable of obtaining a clear three-dimensional image even when a color filter uses a vertically striped liquid crystal panel. It is the purpose.
【００１２】この発明の第１の立体表示装置は、右目用
映像を表示する右目用画素と左目用映像を表示する左目
用画素をすべての行とすべての列で交互に並ぶように配
置された映像表示パネルと、この映像表示パネルの観察
者側に配置され、前記右目用画素と左目用画素に対応し
た開口部を有し、前記右目用画素と左目用画素からの光
を分離し観察者側に出光する光学フィルタと、を備えて
なる。In the first three-dimensional display device of the present invention, right-eye pixels for displaying a right-eye image and left-eye pixels for displaying a left-eye image are arranged alternately in all rows and all columns. A video display panel, disposed on the viewer side of the video display panel, having an opening corresponding to the right-eye pixel and the left-eye pixel, separating light from the right-eye pixel and the left-eye pixel, and And an optical filter that emits light to the side.
【００１３】この発明の第２の立体表示装置は、平面状
に発光する光源装置と、右目用映像を表示する右目用画
素と左目用映像を表示する左目用画素をすべての行とす
べての列で交互に並ぶように配置された光透過型映像表
示パネルと、前記光源装置と映像表示パネルの間に配置
され、前記右目用画素と左目用画素に対応した開口部を
有し、前記光源装置からの光を分離する光学フィルタ
と、を備えてなる。According to a second stereoscopic display device of the present invention, a light source device that emits light in a plane and a right-eye pixel for displaying a right-eye image and a left-eye pixel for displaying a left-eye image are arranged in all rows and all columns. A light-transmitting image display panel disposed so as to be alternately arranged in the light source device and an image display panel disposed between the light source device and the image display panel, and having an opening corresponding to the right-eye pixel and the left-eye pixel; And an optical filter for separating the light from the optical filter.
【００１４】この発明の第３の立体表示装置は、平面状
に発光する光源装置と、右目用映像を表示する右目用画
素と左目用映像を表示する左目用画素をすべての行とす
べての列で交互に並ぶように配置された光透過型映像表
示パネルと、前記光源装置と映像表示パネルの間に配置
され、前記右目用画素と左目用画素に対応した開口部を
有し、前記光源装置からの光を分離する第２の光学フィ
ルタと、前記映像表示パネルの観察者側に配置され、前
記右目用画素と左目用画素に対応した開口部を有し、前
記右目用画素と左目用画素からの光を分離し観察者側に
出光する第１の光学フィルタと、を備えてなる。According to a third stereoscopic display device of the present invention, a light source device that emits light in a plane and a right-eye pixel for displaying a right-eye image and a left-eye pixel for displaying a left-eye image are arranged in all rows and all columns. A light-transmitting image display panel disposed so as to be alternately arranged in the light source device and an image display panel disposed between the light source device and the image display panel, and having an opening corresponding to the right-eye pixel and the left-eye pixel; A second optical filter for separating light from the image display panel, and an opening corresponding to the right-eye pixel and the left-eye pixel disposed on the viewer side of the video display panel, the right-eye pixel and the left-eye pixel And a first optical filter that separates light from the light source and emits the light toward the observer.
【００１５】[0015]
【作用】この発明によれば、使用する液晶パネルの水平
方向の画素ピッチと同じ水平方向の画素ピッチをもつ液
晶パネルに表示する映像と同等の映像を、左右のそれぞ
れの目が観察することになる。従って、水平方向の画素
列数の減少がなく、従来のように縦縞が存在するように
感じることはない。According to the present invention, each of the left and right eyes observes an image equivalent to the image displayed on the liquid crystal panel having the same horizontal pixel pitch as that of the liquid crystal panel used. Become. Therefore, there is no decrease in the number of pixel columns in the horizontal direction, and it does not feel that vertical stripes exist as in the related art.
【００１６】[0016]
【実施例】以下、この発明の実施例を図面に基づいて具
体的に説明する。図１は、この発明の第１の実施例の立
体表示装置の分解斜視図であり、平面状の光源装置１の
前面に液晶パネル２が配置され、この液晶パネル２の画
素配列に対応してチェック状の開口部をもつ光学フィル
タ６が、液晶パネル２の観察者側に配置されている。DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be specifically described below with reference to the drawings. FIG. 1 is an exploded perspective view of a stereoscopic display device according to a first embodiment of the present invention, in which a liquid crystal panel 2 is arranged on the front surface of a planar light source device 1 and corresponds to the pixel arrangement of the liquid crystal panel 2. An optical filter 6 having a check-shaped opening is arranged on the viewer side of the liquid crystal panel 2.
【００１７】図２はこの発明の立体映像表示パネルを模
式的に示した拡大平面図である。図中の四角枠は、１つ
の画素に対応させている。この実施例における液晶パネ
ル２は、映像の縦線を鮮明に表示するためにカラーフィ
ルタの配列が縦ストライプ状になっている。この図にお
いて、”Ｒ”、”Ｇ”、”Ｂ”はそれぞれレッド、グリ
ーン、ブルーのカラーフィルタが対応した画素を表す。FIG. 2 is an enlarged plan view schematically showing the stereoscopic image display panel of the present invention. The square frame in the figure corresponds to one pixel. In the liquid crystal panel 2 in this embodiment, the color filters are arranged in a vertical stripe shape in order to clearly display vertical lines of an image. In this figure, "R", "G", and "B" represent pixels corresponding to red, green, and blue color filters, respectively.
【００１８】この実施例においては、図２に示すよう
に、液晶パネル２上の映像は、右目用映像を表示する画
素と左目用映像を表示する画素が、全ての行Ｍ１、Ｍ２
…と全ての列Ｎ１、Ｎ２…で交互に並ぶように表示され
る。この実施例では、１番目の列Ｎ１には、レッド
（Ｒ）の画像が表示され、このＮ１列のレッドの画像は
行方向の一番目Ｍ１に右目用、２番目の行Ｍ２に左目用
と行方向Ｍ１、Ｍ２…に対して右目用画像と左目用画像
が交互に表示される。また、２番目の列Ｎ２には、グリ
ーン（Ｇ）の画像が表示され、このＮ２列のグリーンの
画像は行方向の一番目Ｍ１に左目用、２番目の行Ｍ２に
は右目用と行方向Ｍ１、Ｍ２…に対して左目用画像と右
目用画像が交互に表示される。さらに、３番目の列Ｎ３
には、ブルー（Ｂ）の画像が表示され、このＮ３列のブ
ルーの画像は行方向の一番目Ｍ１に右目用、２番目の行
Ｍ２に左目用と行方向Ｍ１、Ｍ２…に対して右目用画像
と左目用画像が交互に表示される。以下、全ての行Ｍ
１、Ｍ２…と全ての列Ｎ１、Ｎ２…で右目用映像を表示
する画素と左目用映像を表示する画素が交互に並ぶよう
に表示される。In this embodiment, as shown in FIG. 2, the image on the liquid crystal panel 2 is composed of a pixel for displaying a right-eye image and a pixel for displaying a left-eye image in all rows M1 and M2.
.. And all the columns N1, N2,. In this embodiment, a red (R) image is displayed in the first column N1, and the red image in the N1 column has the right eye for the first M1 in the row direction and the left image for the left eye in the second row M2. The right-eye image and the left-eye image are alternately displayed in the row directions M1, M2,. A green (G) image is displayed in the second column N2, and the green image in the N2 column has the first M1 in the row direction for the left eye and the second row M2 for the right eye in the row direction. The left-eye image and the right-eye image are alternately displayed for M1, M2,. Further, the third column N3
, A blue (B) image is displayed. The blue image in the N3 column is a right eye for the first M1 in the row direction, a left eye for the second row M2, and a right eye for the left direction in the row direction M1, M2. The image for use and the image for left eye are displayed alternately. Hereinafter, all rows M
1, M2,... And all the columns N1, N2,.
【００１９】従って、この液晶パネル２には列方向にレ
ッド、グリーン、ブルーと順次画像が表示されるが、
列、行両方向とも隣り合う画素は右目用画像と左目用画
像が交互に表示される。Accordingly, red, green, and blue images are sequentially displayed on the liquid crystal panel 2 in the column direction.
Pixels adjacent to each other in both the column and row directions are displayed with a right-eye image and a left-eye image alternately.
【００２０】図３は、液晶パネル２の前面に配置される
光学フィルタを模式的に示した拡大平面図であり、この
図に示すように、光学フィルタ６は液晶パネル２の右
目、左眼の画素からそれぞれ出光される光を分離するた
めに、画素形状に対応してチェック状に開口部６１と遮
光部６２が交互に配置されている。この光学フィルタ６
の１つの開口部６１は液晶パネル２の２画素に対応し、
観察者の右目（左目）からは右目用（左目用）の画素の
みが見え、左目用（右目用）画素は遮光部に隠れて見え
ないようになっている。この結果、観察者は左目では図
４に示すように、右目では図５で示すように画面を見る
ことになる。この場合の水平方向の画素列のピッチは、
使用する液晶パネル２の画素ピッチと同じである。従っ
て水平方向の画素列数の減少がなく、従来のように縦縞
が存在するように感じることはない。FIG. 3 is an enlarged plan view schematically showing an optical filter disposed on the front surface of the liquid crystal panel 2. As shown in FIG. In order to separate light emitted from the pixels, openings 61 and light-shielding portions 62 are alternately arranged in a check pattern corresponding to the pixel shape. This optical filter 6
One opening 61 corresponds to two pixels of the liquid crystal panel 2,
Only the right-eye (left-eye) pixels are visible from the right eye (left eye) of the observer, and the left-eye (right-eye) pixels are hidden by the light-shielding portion and cannot be seen. As a result, the observer looks at the screen as shown in FIG. 4 with the left eye and as shown in FIG. 5 with the right eye. In this case, the pitch of the horizontal pixel row is
This is the same as the pixel pitch of the liquid crystal panel 2 to be used. Therefore, there is no decrease in the number of pixel columns in the horizontal direction, and it does not feel that vertical stripes exist as in the related art.
【００２１】ところで、光学フィルタ６のそれぞれの開
口部６１は、左右の目が見るべき画素からの光を透過
し、遮光部６２は隠れるべき画素からの光を遮っていれ
ばよいので、図６のようにそれぞれが離れていてもよ
く、また図７のようにそれぞれが重なっていてもよい。By the way, each opening 61 of the optical filter 6 only needs to transmit light from a pixel to be viewed by the left and right eyes, and the light shielding portion 62 should block light from a pixel to be hidden. May be separated as shown in FIG. 7, or may be overlapped as shown in FIG.
【００２２】観察位置での観察者の視点数が２より大き
い多眼式の場合にもこの発明は適用される。図８は４眼
式の立体表示装置の場合の液晶パネル２上の映像表示で
ある。２１〜２４で表されたのがそれぞれ４つの視点に
対応する映像を表示する画素である。この場合の光学フ
ィルタ６は図９のようになる。The present invention is also applicable to a multi-view system in which the number of observers at the observation position is greater than two. FIG. 8 is an image display on the liquid crystal panel 2 in the case of a four-lens type stereoscopic display device. Pixels for displaying images corresponding to four viewpoints are indicated by 21 to 24, respectively. The optical filter 6 in this case is as shown in FIG.
【００２３】液晶パネル上の映像は、例えば図１０のよ
うに表示してもよい。この場合光学フィルタは、図１１
のようになる。The image on the liquid crystal panel may be displayed, for example, as shown in FIG. In this case, the optical filter is as shown in FIG.
become that way.
【００２４】これらの他にも画像の表示方法は考えられ
るが、いずれの場合も観察位置のそれぞれの視点位置か
ら、対応する映像を表示している画素がすべて見え、そ
の他の映像を表示する画素が隠れるように光学フィルタ
を形成すればよい。[0024] In addition to these methods, there are conceivable image display methods. In each case, all the pixels displaying the corresponding image can be seen from the respective viewpoint positions of the observation positions, and the pixels displaying the other images can be seen. The optical filter may be formed so that is hidden.
【００２５】ところで、この発明の光学フィルタ６の開
口部６１のピッチは以下のように算出される。The pitch of the opening 61 of the optical filter 6 according to the present invention is calculated as follows.
【００２６】一般に、観察位置の視点数をＮ，液晶パネ
ルの水平方向の画素ピッチをＰ、垂直方向のピッチを
Ｑ、観察者の眼間距離をＥ、光学フィルタ６の水平方向
の開口ピッチをＢｈ、光学フィルタ６の垂直方向の開口
ピッチをＢｖ、光学フィルタ６の各行における水平方向
の開口ピッチをＢｏとすると、それぞれの関係は下記の
通りになる。In general, the number of viewpoints at the observation position is N, the horizontal pixel pitch of the liquid crystal panel is P, the vertical pitch is Q, the distance between the eyes of the observer is E, and the horizontal aperture pitch of the optical filter 6 is Assuming that Bh, the vertical opening pitch of the optical filter 6 is Bv, and the horizontal opening pitch of each row of the optical filter 6 is Bo, the respective relationships are as follows.
【００２７】[0027]
【数１】Ｂｏ＝Ｎ・Ｐ・Ｅ／（Ｅ＋Ｐ） …（１）## EQU1 ## Bo = N.P.E / (E + P) (1)
【００２８】[0028]
【数２】Ｂｈ＝Ｐ・Ｅ／（Ｅ＋Ｐ） …（２）## EQU2 ## Bh = PE * / (E + P) (2)
【００２９】[0029]
【数３】Ｂｖ＝Ｅ・Ｑ／（Ｅ＋Ｐ） …（３）## EQU3 ## Bv = EQ / (E + P) (3)
【００３０】従って、上記関係式に基づいて光学フィル
タ６の水平方向の開口ピッチをＢｈ、垂直方向の開口ピ
ッチをＢｖ、各行における水平方向の開口ピッチをＢｏ
を求めて、光学フィルター６を形成すれば良い。Therefore, based on the above relational expression, the horizontal opening pitch of the optical filter 6 is Bh, the vertical opening pitch is Bv, and the horizontal opening pitch of each row is Bo.
And the optical filter 6 may be formed.
【００３１】図１２の分解斜視図に示すこの発明の第２
の実施例に係る立体表示装置では、チェック状の開口部
５１をもつ光学フィルタ５が平面状の光源装置１と液晶
パネル２の間に配置される。The second embodiment of the present invention shown in the exploded perspective view of FIG.
In the stereoscopic display device according to the embodiment, the optical filter 5 having the check-shaped opening 51 is disposed between the planar light source device 1 and the liquid crystal panel 2.
【００３２】この場合、図１３のように各画素の映像２
１〜２４の並びは、第１の実施例の場合と逆の配置にな
るが、光学フィルタ５の外観は前記第１の実施例と同じ
である。In this case, as shown in FIG.
The arrangement of 1 to 24 is opposite to that of the first embodiment, but the appearance of the optical filter 5 is the same as that of the first embodiment.
【００３３】第２の実施例のように構成した立体表示装
置は一般に、観察位置の視点数をＮ、液晶パネルの水平
方向の画素ピッチをＰ、垂直方向のピッチをＱ、観察者
の眼間距離をＥ、光学フィルタ５の水平方向の開口ピッ
チをＢｈ、光学フィルタの垂直方向の開口ピッチをＢ
ｖ、光学フィルタ５の各行における水平方向の開口ピッ
チをＢｏとすると、それぞれの関係は次の通りになる。In general, the stereoscopic display device constructed as in the second embodiment has the number N of viewpoints at the observation position, the pixel pitch P in the horizontal direction of the liquid crystal panel, the pitch Q in the vertical direction, and the distance between the eyes of the observer. The distance is E, the horizontal opening pitch of the optical filter 5 is Bh, and the vertical opening pitch of the optical filter is B.
Assuming that v and the horizontal opening pitch in each row of the optical filter 5 are Bo, the respective relationships are as follows.
【００３４】[0034]
【数４】Ｂｏ＝Ｎ・Ｐ・Ｅ／（Ｅ−Ｐ） …（４）## EQU4 ## Bo = N.P.E / (E-P) (4)
【００３５】[0035]
【数５】Ｂｈ＝Ｐ・Ｅ／（Ｅ−Ｐ） …（５）## EQU5 ## Bh = PE / (E-P) (5)
【００３６】[0036]
【数６】Ｂｈ＝Ｅ・Ｑ／（Ｅ−Ｐ） …（６）Bh = EQ / (E−P) (6)
【００３７】従って、上記関係式に基づいて光学フィル
タ５の水平方向の開口ピッチをＢｈ、垂直方向の開口ピ
ッチをＢｖ、各行における水平方向の開口ピッチをＢｏ
を求めて、光学フィルター５を形成すれば良い。Accordingly, based on the above relational expression, the horizontal opening pitch of the optical filter 5 is Bh, the vertical opening pitch is Bv, and the horizontal opening pitch of each row is Bo.
And the optical filter 5 may be formed.
【００３８】この実施例のその他の構成、作用ないし効
果は上記の第１の実施例のそれらと同様であるので、重
複を避けるためにこれらの説明は省略する。Other configurations, operations and effects of this embodiment are the same as those of the above-described first embodiment, and therefore, description thereof will be omitted to avoid duplication.
【００３９】図１４の分解斜視図に示すこの発明の第３
の実施例に係る立体表示装置では、チェック状の開口部
を持つ光学フィルタ６を液晶パネル２の観察者側に配置
し、さらにチェック状の開口部を持つ光学フィルタ５を
光源装置１と液晶パネル２の間に配置したものである。The third embodiment of the present invention shown in the exploded perspective view of FIG.
In the three-dimensional display device according to the embodiment, the optical filter 6 having a check-shaped opening is disposed on the viewer side of the liquid crystal panel 2, and the optical filter 5 having the check-shaped opening is further combined with the light source device 1 and the liquid crystal panel. It is arranged between the two.
【００４０】液晶パネル２の観察者側に配置される光学
フィルタ６の開口ピッチは（数式１）〜（数式３）によ
り算出される。また、光源装置１と液晶パネル２の間に
配置される光学フィルタ５の開口ピッチは（数式４）〜
（数式６）により算出される。The aperture pitch of the optical filter 6 arranged on the viewer side of the liquid crystal panel 2 is calculated by (Equation 1) to (Equation 3). Further, the aperture pitch of the optical filter 5 disposed between the light source device 1 and the liquid crystal panel 2 is represented by (Equation 4).
It is calculated by (Equation 6).
【００４１】この実施例のその他の構成、作用ないし効
果は上記の第１の実施例のそれらと同様であるので、重
複を避けるためにこれらの説明は省略する。Other configurations, operations and effects of this embodiment are the same as those of the above-described first embodiment, and therefore, description thereof will be omitted to avoid duplication.
【００４２】上述した各実施例において、液晶パネル２
と光源装置１の間に配置される光学フィルタ５は、遮光
部５２をアルミニウムや銀、白塗料のような反射率の高
い素材で形成してもよい。また遮光部５２の光源装置１
側をアルミニウムや銀、白塗料のような反射率の高い素
材で形成し、液晶パネル２側をクロムや酸化クロム、黒
塗料のような反射率の低い素材で形成してもよい。この
ような光学フィルタ５を用いると、光源装置１から発せ
られて遮光部５２に当たった光が反射されて光源装置１
側に戻り、光源装置１のケースに当たり再び反射する。
このような反射を繰り返し、ついには光学フィルタ５の
開口部５１を光が通過する。この作用により光の利用効
率が上がる。In each of the above embodiments, the liquid crystal panel 2
In the optical filter 5 disposed between the light source device 1 and the light source device 1, the light shielding portion 52 may be formed of a material having a high reflectance such as aluminum, silver, or white paint. Further, the light source device 1 of the light shielding unit 52
The liquid crystal panel 2 may be formed of a material having a low reflectance such as chrome, chromium oxide, or black paint on the liquid crystal panel 2 side. When such an optical filter 5 is used, light emitted from the light source device 1 and impinging on the light shielding portion 52 is reflected, and the light source device 1
The light returns to the side and hits the case of the light source device 1 and is reflected again.
Such reflection is repeated, and finally the light passes through the opening 51 of the optical filter 5. This action increases the light use efficiency.
【００４３】また、この発明の光学フィルタ５、６は、
例えばガラス基板上に塗布した感光剤の遮光部となる部
分にレーザを照射して黒化し、黒化していない部分の感
光剤を取り除くことで製造することができる。Further, the optical filters 5 and 6 of the present invention
For example, it can be manufactured by irradiating a laser to a portion to be a light-shielding portion of a photosensitive agent applied on a glass substrate to be blackened, and removing the non-blackened portion of the photosensitive agent.
【００４４】さらに、この発明の光学フィルタ５、６
は、スクリーン印刷やオフセット印刷等の印刷技術を用
いて製造することもできる。Furthermore, the optical filters 5 and 6 of the present invention
Can also be manufactured using a printing technique such as screen printing or offset printing.
【００４５】また、この発明の光学フィルタ５、６は、
ガラス基板上にアルミニウムと酸化クロムを蒸着し、エ
ッチングにより形成することで製造することもできる。Further, the optical filters 5 and 6 of the present invention
It can also be manufactured by depositing aluminum and chromium oxide on a glass substrate and forming them by etching.
【００４６】さらに、この発明の光学フィルタ５、６
は、ガラス基板上にニッケルと酸化クロムの遮光部を電
着により形成することで製造することもできる。Further, the optical filters 5 and 6 of the present invention
Can be manufactured by forming a light-shielding portion of nickel and chromium oxide on a glass substrate by electrodeposition.
【００４７】なお、上述した各実施例は、表示装置とし
て液晶パネルを用いているが、液晶パネル以外に、ＣＲ
Ｔなどのよう発光型の表示装置を用いても同様の効果が
得られる。In each of the embodiments described above, a liquid crystal panel is used as a display device.
Similar effects can be obtained by using a light-emitting display device such as T.
【００４８】[0048]
【発明の効果】以上説明したように、この発明によれ
ば、液晶パネルのカラーフィルタが縦ストライプである
場合に、左右の目は、画素列のピッチが、使用する液晶
パネルの画素ピッチと同じである液晶パネルに表示する
映像と同等の映像を観察することになる。従って、水平
方向の画素列数の減少がなく、感じられる縦縞は、使用
する液晶パネルで感じられる縦縞と同等になる。As described above, according to the present invention, when the color filters of the liquid crystal panel are vertical stripes, the left and right eyes have the same pixel row pitch as the pixel pitch of the liquid crystal panel used. That is, an image equivalent to the image displayed on the liquid crystal panel is observed. Therefore, there is no decrease in the number of pixel columns in the horizontal direction, and the perceived vertical stripes are equivalent to the vertical stripes perceived by the liquid crystal panel used.
【図１】この発明の第１の実施例を示す分解斜視図であ
る。FIG. 1 is an exploded perspective view showing a first embodiment of the present invention.
【図２】この発明における液晶パネル上の映像表示を表
す平面図である。FIG. 2 is a plan view showing an image display on a liquid crystal panel according to the present invention.
【図３】この発明における光学フィルタの外観を表す平
面図である。FIG. 3 is a plan view illustrating an appearance of an optical filter according to the present invention.
【図４】この発明において左目が観察する映像を表す模
式図である。FIG. 4 is a schematic diagram showing an image observed by the left eye in the present invention.
【図５】この発明において右目が観察する映像を表す模
式図である。FIG. 5 is a schematic diagram showing an image observed by the right eye in the present invention.
【図６】この発明における別の光学フィルタの外観を表
す平面図である。FIG. 6 is a plan view illustrating the appearance of another optical filter according to the present invention.
【図７】この発明における更に別の光学フィルタの外観
を表す平面図である。FIG. 7 is a plan view illustrating the appearance of still another optical filter according to the present invention.
【図８】この発明の多眼式における液晶パネル上の映像
表示を表す平面図である。FIG. 8 is a plan view showing an image display on a liquid crystal panel in a multi-view system of the present invention.
【図９】この発明の多眼式における光学フィルタの外観
を表す平面図である。FIG. 9 is a plan view illustrating an appearance of an optical filter in a multi-view system of the present invention.
【図１０】この発明の多眼式における別の液晶パネル上
の映像表示を表す平面図である。FIG. 10 is a plan view showing image display on another liquid crystal panel in the multi-view system of the present invention.
【図１１】この発明の多眼式における別の光学フィルタ
の外観を表す平面図である。FIG. 11 is a plan view showing the appearance of another optical filter in a multi-view system of the present invention.
【図１２】この発明の第２の実施例を示す分解斜視図で
ある。FIG. 12 is an exploded perspective view showing a second embodiment of the present invention.
【図１３】この発明の第２の実施例における液晶パネル
上の映像表示を表す平面図である。FIG. 13 is a plan view illustrating an image display on a liquid crystal panel according to a second embodiment of the present invention.
【図１４】この発明の第３の実施例を示す分解斜視図で
ある。FIG. 14 is an exploded perspective view showing a third embodiment of the present invention.
【図１５】従来方式の原理を示す模式図である。FIG. 15 is a schematic diagram showing the principle of a conventional system.
【図１６】従来方式における液晶パネル上の映像表示を
表す平面図である。FIG. 16 is a plan view showing an image display on a liquid crystal panel in a conventional method.
【図１７】従来方式の多眼式の原理を示す模式図であ
る。FIG. 17 is a schematic diagram showing the principle of a conventional multi-view system.
【図１８】従来方式における液晶パネル上の映像表示を
表す平面図である。FIG. 18 is a plan view showing an image display on a liquid crystal panel in a conventional method.
【図１９】従来方式において左目が観察する映像を表す
模式図である。FIG. 19 is a schematic diagram showing an image observed by a left eye in a conventional method.
【図２０】従来方式において右目が観察する映像を表す
模式図である。FIG. 20 is a schematic diagram showing an image observed by the right eye in the conventional method.
【図２１】別の従来方式の原理を示す模式図である。FIG. 21 is a schematic view showing the principle of another conventional system.
【図２２】更に別の従来方式の原理を示す模式図であ
る。FIG. 22 is a schematic diagram showing the principle of still another conventional system.
１ 光源装置 ２ 液晶パネル ３ 従来のパララックスバリア ４ 従来の光学フィルタ ５ 液晶パネルと光源装置の間に配置される光学フィル
タ ６ 観察者側に配置される光学フィルタReference Signs List 1 light source device 2 liquid crystal panel 3 conventional parallax barrier 4 conventional optical filter 5 optical filter arranged between liquid crystal panel and light source device 6 optical filter arranged on observer side
フロントページの続き (51)Int.Cl.7 識別記号 ＦＩ Ｈ０４Ｎ 5/66 １０２ Ｈ０４Ｎ 5/66 １０２Ａ (58)調査した分野(Int.Cl.7，ＤＢ名) H04N 13/00 - 15/00 Continuation of the front page (51) Int.Cl. 7 identification code FI H04N 5/66 102 H04N 5/66 102A (58) Field surveyed (Int.Cl. 7 , DB name) H04N 13/00-15/00
Claims (3)
用映像を表示する左目用画素をすべての行とすべての列
で交互に並ぶように配置された映像表示パネルと、この
映像表示パネルの観察者側に配置され、前記右目用画素
と左目用画素に対応した開口部を有し、前記右目用画素
と左目用画素からの光を分離し観察者側に出光する光学
フィルタと、を備えてなる立体表示装置。1. An image display panel in which right-eye pixels for displaying a right-eye image and left-eye pixels for displaying a left-eye image are arranged alternately in all rows and all columns. An optical filter that is disposed on the observer side, has an opening corresponding to the right-eye pixel and the left-eye pixel, and separates light from the right-eye pixel and the left-eye pixel and emits light toward the observer. 3D display device provided.
像を表示する右目用画素と左目用映像を表示する左目用
画素をすべての行とすべての列で交互に並ぶように配置
された光透過型映像表示パネルと、前記光源装置と映像
表示パネルの間に配置され、前記右目用画素と左目用画
素に対応した開口部を有し、前記光源装置からの光を分
離する光学フィルタと、からなり、前記映像表示パネル
の右目用画素を透過した光と左目用画素を透過した光と
が分離された状態で観察者側に出光される立体表示装
置。2. A light source device which emits light in a plane, and right-eye pixels for displaying a right-eye image and left-eye pixels for displaying a left-eye image are arranged alternately in all rows and all columns. A light transmission type image display panel, an optical filter disposed between the light source device and the image display panel, having an opening corresponding to the right-eye pixel and the left-eye pixel, and separating light from the light source device; A stereoscopic display device that emits light to an observer in a state where light transmitted through right-eye pixels and light transmitted through left-eye pixels of the video display panel are separated.
表示パネルの右目用画素と左目用画素に対応した開口部
を有する第２の光学フィルタを配置したことを特徴とす
る請求項２に記載の立体表示装置。3. The image display panel according to claim 2, wherein a second optical filter having openings corresponding to the right-eye pixels and the left-eye pixels of the video display panel is arranged on the viewer side of the video display panel. The stereoscopic display device as described in the above.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP07132282A JP3096613B2 (en) | 1995-05-30 | 1995-05-30 | 3D display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP07132282A JP3096613B2 (en) | 1995-05-30 | 1995-05-30 | 3D display device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH08331605A JPH08331605A (en) | 1996-12-13 |
| JP3096613B2 true JP3096613B2 (en) | 2000-10-10 |
Family
ID=15077644
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP07132282A Expired - Lifetime JP3096613B2 (en) | 1995-05-30 | 1995-05-30 | 3D display device |
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| Country | Link |
|---|---|
| JP (1) | JP3096613B2 (en) |
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