WO2014068663A1 - 投射型映像表示装置 - Google Patents
投射型映像表示装置 Download PDFInfo
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- WO2014068663A1 WO2014068663A1 PCT/JP2012/078002 JP2012078002W WO2014068663A1 WO 2014068663 A1 WO2014068663 A1 WO 2014068663A1 JP 2012078002 W JP2012078002 W JP 2012078002W WO 2014068663 A1 WO2014068663 A1 WO 2014068663A1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
- H04N9/3179—Video signal processing therefor
- H04N9/3188—Scale or resolution adjustment
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/142—Adjusting of projection optics
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B35/00—Stereoscopic photography
- G03B35/18—Stereoscopic photography by simultaneous viewing
- G03B35/20—Stereoscopic photography by simultaneous viewing using two or more projectors
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B37/00—Panoramic or wide-screen photography; Photographing extended surfaces, e.g. for surveying; Photographing internal surfaces, e.g. of pipe
- G03B37/04—Panoramic or wide-screen photography; Photographing extended surfaces, e.g. for surveying; Photographing internal surfaces, e.g. of pipe with cameras or projectors providing touching or overlapping fields of view
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
- H04N13/30—Image reproducers
- H04N13/327—Calibration thereof
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
- H04N13/30—Image reproducers
- H04N13/363—Image reproducers using image projection screens
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
- H04N9/3141—Constructional details thereof
- H04N9/3147—Multi-projection systems
Definitions
- the present invention relates to a projection type video display.
- the opportunity for utilization including the presentation hall increases, the simplification and price reduction of the device, and further, the performance and functionality of the device are improved. It is required.
- Patent Document 1 discloses a technique for compensating for a focus shift accompanying a temperature change by a simple mechanism.
- Patent Document 2 discloses a technique for using a plane mirror as a projection system mirror.
- two projection type image display devices for example, to increase the brightness of the display image, to improve the reliability so as not to lose the display function even if any one device breaks down, two display images
- two display images To slightly increase the resolution, display a three-dimensional (3D) image, and shift two display images horizontally by one screen to obtain a wide image.
- the present invention is a projection type video display device which projects an image based on a video signal optically to an external display unit and displays the image, and two projectors which project the image optically to the outside.
- FIG. 7 is a plan view showing a first adjustment method of the projection type video display device.
- the top view which shows the 2nd adjustment method of a projection type video display apparatus.
- the external view of the base part of a projection type video display apparatus The 1st top view of the base part of a projection type video display.
- the 2nd top view of the base part of a projection type video display The 3rd top view of the base part of a projection type video display apparatus.
- FIG. 1 is a block diagram of an optical engine of a projection type video display.
- H indicates the horizontal direction (horizontal direction) of the screen to be displayed
- V indicates the vertical direction (vertical direction)
- Z indicates the depth direction.
- the light source unit 101 includes a tube 101a which is a light emitting portion and a reflector 101b which is a reflecting surface.
- the luminous flux emitted from the tube 101a disposed at the first focal position of the elliptical shaped reflector 101b is reflected from the reflecting surface so as to be condensed at the second focal position of the reflector 101b.
- the condensed luminous flux whose luminous flux size is reduced is converted into a collimated luminous flux by the concave lens 102 having a collimating action.
- the concave lens 102 for performing the parallelizing operation is not necessary.
- the parallel light beams emitted from the concave lens 102 are divided into partial light beams by the respective cell lenses of the first multi lens array 103 a and condensed on the respective cell lenses of the second multi lens array 103 b corresponding to the first multi lens.
- Ru The collected partial light fluxes are temporarily separated into two linearly polarized lights whose vibration directions are orthogonal to each other by the linear polarization unit 104, and the vibration direction of one linearly polarized light is matched with the other vibration direction. The vibration direction is converted to linear polarization in one direction.
- the partial light beams emitted from the linear polarization unit 104 are superimposed and irradiated on the liquid crystal panel units 1R, 1G, and 1B for each color of RGB through the components described below from the superposing lens 105.
- reflection mirrors 106b, 106c and 106d for bending the light path, and dichroic mirrors 107a and 107b as color separation optical units are provided.
- collimator lenses 108R, 108G, and 108B for collimating the principal ray of the projection light beam are disposed.
- relay lenses 109 and 110 for mapping the superimposed light flux on the position of the liquid crystal panel unit 1R for red are disposed.
- the luminous flux from the tube 101a supplied to the liquid crystal panel units 1R, 1G, 1B is an image R signal, an image G signal, an image B signal separately supplied to each of the liquid crystal panel units 1R, 1G, 1B.
- the amount of light that can pass through the liquid crystal panel changes according to the level of.
- the information of the video signal is given to the luminous flux.
- the liquid crystal panel units 1R, 1G, and 1B are provided not only with the liquid crystal panels but also with polarizing plates for passing light beams in a predetermined vibration direction.
- the respective light beams having passed through the liquid crystal panel units 1R, 1G, 1B are combined with each other by the cross prism 2, and an image according to the video signal is displayed on a screen (not shown) provided outside via the projection lens 3. Do.
- the configuration of the optical engine shown in FIG. 1 does not limit the present invention.
- an example further including a reflection mirror 106a not provided in FIG. 1 and changing the arrangement of components from the light source unit 101 to the light from the superposing lens 105 is also conceivable.
- the optical engine applicable to the present invention is not limited to a specific configuration.
- FIG. 2 is an external view of the optical engines 10A and 10B of the projection type image display device 10, and is drawn as viewed from obliquely above the device. That is, the projection type image display apparatus 10 in the present embodiment has two optical engines 10A and 10B.
- the respective cross prisms 2A and 2B and the projection lenses 3A and 3B are denoted by reference numerals.
- the first optical engine 10A is attached to the main base 20 via the first adjustment base 21 and the second adjustment base 22, and the second optical engine 10B is connected to the third adjustment base 23 and the second adjustment base 22. It is attached to the main base 20 through the adjustment base 24 of No.4. That is, since the user adjusts the first optical engine 10A and the second optical engine 10B so that the relative positional relationship between the images displayed by both becomes a predetermined relationship, the adjustment bases 21 to 24 are used. It is attached to the main base 20.
- the action of the adjustment bases 21 to 24 will be described later.
- the present invention is not limited to a device having a specific adjustment mechanism, but generally includes a device having the above-mentioned relative positional adjustment mechanism.
- the arrangement of the optical system components of the optical engines 10A and 10B is an arrangement in which the mirror inversion or point symmetry is inverted with respect to the center of the dichroic mirror 107b or the cross prism 2 shown in FIG. ing. Therefore, individual optical system components can be common to both.
- this embodiment is also applicable to the case where the arrangement of the optical system components of the two optical engines is not the relation of mirror inversion but the same, the block configuration of the two optical engines is different, and the optical system components are not common. it can.
- a projection type display device which projects a luminous flux with a high luminance of 5,000 lumens while using a small and inexpensive liquid crystal panel of, for example, 0.63 inch size for the liquid crystal panel unit 1. It is conceivable to develop a high-performance or high-performance projection display device with good cost performance while using two optical engines of the device.
- the image to be displayed consists of a plurality of blocks having 6 ⁇ 8 pixels
- one optical engine displays 48 pixels of the block.
- the other optical engine displays 48 pixels at a position shifted by 1/2 pixel in both horizontal and vertical directions with respect to each pixel.
- images of different channels for stereoscopic images can be projected from both optical engines to display so-called 3D images.
- so-called two-screen wide images can be displayed by arranging the positions where the optical engines project the images horizontally adjacent to each other.
- an adjustment mechanism for setting the position at which two optical engines project an image to a predetermined position is important.
- the interval of 1/2 pixel is about 5 ⁇ m on the liquid crystal panel, a particularly accurate adjustment mechanism is necessary.
- both optical engines project, for example, a checkered image pattern onto a display unit including a screen provided outside, and the user observes interference fringes (moire) appearing at the edge of the image. Do. Further, adjustment is performed so that the centers of the cross prisms 2A and 2B of the optical engines 10A and 10B have a predetermined positional relationship.
- FIG. 3 is a plan view showing a first adjustment method of the projection type image display apparatus 10, viewed from the positive direction of the V axis toward the negative direction at the center, and the positive direction of the H axis direction at the right side. And a view from the positive direction of the Z axis to the negative direction on the lower side.
- the first adjustment method is a method in which the position of the first optical engine 10A is fixed as a reference, and only the position of the second optical engine 10B is moved and adjusted.
- each parameter is described as H, V, Z in order. Also, it rotates in a direction substantially parallel to the H axis about the V axis, rotates in a direction substantially parallel to the V axis about the H axis, and a direction substantially parallel to the H axis about the Z axis It is necessary to adjust the rotational movement.
- Each parameter is described as ⁇ H, ⁇ V, ⁇ Z in order.
- the H axis, the V axis, and the Z axis have the origin of the center of the cross prism of the optical engine on the side receiving the adjustment.
- the optical engine 10A is fixed, the optical engine 10B is moved in the H, V and Z directions, and the optical engine 10B rotates around the center of the cross prism 2B as ⁇ H, ⁇ V. , ⁇ Z direction to adjust the relative position of both optical engines. Since the adjustment is performed with the center of the cross prism 2B as the center of rotation, the cross action of changing the optimum position of the other parameter does not occur when the certain parameter is adjusted. Therefore, the order in which the parameters are adjusted need not be particularly considered.
- the third adjustment base 23 previously shown in FIG. 2 is a spherical seat rotatable in any direction. It is necessary to have The rotation center is designed to be the center of the cross prism 2B. Not only is such a spherical seat difficult to design, but it is also unavoidable to move in the ⁇ V or ⁇ Z direction, for example, when rotating in the ⁇ H direction.
- FIG. 4 is a plan view showing a second adjustment method of the projection type video display device 10.
- Z and ⁇ V are adjusted in the first optical engine 10A and ⁇ H and ⁇ Z are adjusted in the second optical engine 10B.
- H and V you may carry out by any. Since the adjustment of ⁇ V is allocated to the first optical engine 10A, the above-described spherical seat is not necessary, and a cylindrical seat can be used as described later.
- the optical engine 10A is rotationally moved in the ⁇ V direction with the center of the cross prism 2A as a rotation center
- the optical engine 10B is rotationally moved in the ⁇ H and ⁇ Z directions with the center of the cross prism 2B as a rotation center.
- the rotation center is often positioned slightly away from the center of the cross prism.
- each parameter is allocated so that ⁇ V and Z are adjusted by one optical engine and ⁇ H and ⁇ Z are adjusted by the other optical engine.
- the allocation of this parameter is an example, and it is within the scope of the present invention when using different allocations selected from different viewpoints including, for example, downsizing of the apparatus.
- ⁇ V is adjusted by the cylindrical seat of the first adjustment base 21 on which the first optical engine 10A is mounted.
- the second adjustment base 22 on which the first adjustment base 21 is mounted moves the first optical engine 10A and the first adjustment base 21 in the Z-axis direction to eliminate the cross action.
- ⁇ Z is adjusted by the cylindrical seat of the third adjustment base 23 on which the second optical engine 10B is mounted. By changing ⁇ Z, a cross action occurs in the H-axis direction. Therefore, the fourth adjusting base 24 on which the third adjusting base 23 is mounted rotates the second optical engine 10B and the third adjusting base 23 in the ⁇ H direction to eliminate the cross action.
- the second optical engine 10B may be rotationally moved about the V axis passing through the center of the cross prism 2B.
- the parameters are allocated so that the adjustment is completed in each of the optical engines in consideration of the cross action that occurs.
- the spherical seat is not required. For this reason, there is an effect of simplifying the adjustment mechanism and making the adjustment easy and highly accurate.
- FIG. 5 is an external view of the base portion of the projection type video display device 10, and is drawn from the same direction as FIG.
- the base portion mounts the first adjustment base 21 on which the optical engine 10A is mounted, the second adjustment base 22 on which the first adjustment base 21 is mounted, and the optical engine 10B.
- a third adjustment base 23, a fourth adjustment base 24 carrying the third adjustment base 23, and a main base 20 carrying the second adjustment base 22 and the fourth adjustment base 24 Have.
- the first adjustment base 21 and the third adjustment base 23 each have, for example, three posts for mounting the optical engine 10A or the optical engine 10B. doing.
- FIGS. 6A, 6B, 7A, and 7B are first to fourth plan views of the base portion of the projection type image display device 10, and show mechanisms for adjusting ⁇ V, Z, ⁇ Z, ⁇ H in order. ing. Both are accompanied by a cross-sectional view at a position indicated by a broken line in the figure.
- FIGS. 7A and 7B are both based on the same drawing for the third adjusting base 23 and the fourth adjusting base 24 but with separate drawings to clarify the two adjusting mechanisms. .
- the first adjustment base 21 has a cylindrical seat 210.
- the cylindrical seat 210 is a rotary seat and adjusts the parameter ⁇ V of the optical engine 10A.
- the broken line in the sectional view in the figure indicates the radius of the surface of the cylindrical seat 210, and the center of the cross prism 2A is in the vicinity of the intersection of the broken line which is the rotation center.
- the second adjustment base 22 has a moving mechanism 220.
- the moving mechanism 220 has, for example, an adjusting screw, and moves the first adjusting base 21 to adjust the parameter Z of the optical engine 10A.
- the third adjustment base 23 has a cylindrical seat 230.
- the cylindrical seat 230 is a rotary seat and adjusts the parameter ⁇ Z of the optical engine 10B.
- the broken line in the sectional view in the figure indicates the radius of the surface of the cylindrical seat 230, and the center of the cross prism 2B is in the vicinity of the intersection of the broken line which is the rotation center.
- the fourth adjustment base 24 rotates about a cylindrical protrusion 200 provided on the main base 20, moves the third adjustment base 23, and adjusts the parameter ⁇ H of the optical engine 10B.
- the center line of the protrusion 200 there is the center of the cross prism 2B.
- the user can easily adjust the parameters of ⁇ V, Z, ⁇ Z, and ⁇ H.
- One method is to move the position of the optical engine 10A or 10B in the H axis or V axis direction.
- Another method is to move the position of the projection lens 3 with respect to the cross prism 2 in the H-axis or V-axis direction.
- FIG. 8 is an exploded view of the vicinity of the projection lens 3 of the projection type video display device.
- a first plate 31 is attached to the projection lens attachment portion 30 on the optical engine side.
- a second plate 32 is attached to the projection lens 3.
- the projection lens 3 is fixed to the optical engine.
- the hole through which the mounting member of the first plate 31 passes has a margin in size, and the space between the first plate 31 and the second plate 32 is relatively in the H axis or V axis direction. Make it moveable.
- the position of the projection lens 3 with respect to the cross prism 2 can be moved in the H axis or V axis direction, and the parameters H and V can be adjusted.
- One of the optical engines Has an adjusting mechanism for adjusting the one or more five within the parameters of the six parameters, one of the optical engine that remains with the adjusting mechanism for adjusting the parameters remain among the six parameters.
- each of the two optical engines is a first liquid crystal panel that generates an optical image based on a red primary color signal of the video signal, and an optical based on a green primary color signal of the video signal.
- a liquid crystal panel unit having a second liquid crystal panel for generating an image, a third liquid crystal panel for generating an optical image based on the blue primary color signal of the video signal, and each of the first to third liquid crystal panels
- An optical engine of a liquid crystal display device having a cross prism for synthesizing the respective optical images and a projection lens for projecting the optical image synthesized by the cross prism to the outside, wherein the X axis, Y axis and Z axis origins are the above Located at the optical center of the cross prism.
- one of the two optical engines has an adjusting mechanism for adjusting at least ⁇ V and Z among the six parameters, and the remaining optical engine is the six. Among the parameters, at least ⁇ Z and ⁇ H are adjusted.
- Liquid crystal panel unit 2 Cross prism 3: Projection lens 10: Projection type image display device 10A, 10B: Optical engine 20: Main base 21, 22, 23, 24: Adjustment base 30, 30: Projection lens attachment part, 31: first plate, 32: second plate, 101: light source unit, 102: concave lens, 103: multi-array lens, 104: linear polarization part, 105: superposition lens, 106: reflection mirror 107: dichroic mirror 108: collimator lens 109, 110: relay lens.
- Projection lens 10 Projection type image display device 10A, 10B: Optical engine 20: Main base 21, 22, 23, 24: Adjustment base 30, 30: Projection lens attachment part, 31: first plate, 32: second plate, 101: light source unit, 102: concave lens, 103: multi-array lens, 104: linear polarization part, 105: superposition lens, 106: reflection mirror 107: dichroic mirror 108: collimator lens 109, 110: relay lens.
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Abstract
Description
Claims (11)
- 映像信号に基づく画像を光学的に外部の表示部へ投射して表示する投射型映像表示装置であって、
前記画像を光学的に外部へ投射する二つの光学エンジンと、
当該二つの光学エンジンの各々が表示する画像の相対的な位置を調整するための調整機構
を有することを特徴とする投射型映像表示装置。 - 請求項1に記載の投射型映像表示装置において、
前記調整機構は、
前記二つの光学エンジンの各々が表示する画像の水平(H軸)方向の位置Hと垂直(V軸)方向の位置V、前記二つの光学エンジンの各々と前記表示部の間の奥行(Z軸)方向の位置Z、前記二つの光学エンジンの各々の前記V軸を中心とした前記X軸方向の相対的な角度θH、前記二つの光学エンジンの各々の前記H軸を中心とした前記V軸方向の相対的な角度θV、前記二つの光学エンジンの各々の前記Z軸を中心とした前記X軸方向の相対的な角度θZ
で表わされる6つのパラメータを調整することを特徴とする投射型映像表示装置。 - 請求項2に記載の投射型映像表示装置において、
前記二つの光学エンジンの各々は、
前記映像信号の赤原色信号に基づく光学画像を生成する第1の液晶パネルと、前記映像信号の緑原色信号に基づく光学画像を生成する第2の液晶パネルと、前記映像信号の青原色信号に基づく光学画像を生成する第3の液晶パネルを有する液晶パネルユニットと、
前記第1乃至第3の液晶パネルの各々が生成した各光学画像を合成するクロスプリズム
を有する液晶表示装置の光学エンジンであり、
前記X軸、Y軸、Z軸の原点は前記クロスプリズムの光学的中心に位置する
ことを特徴とする投射型映像表示装置。 - 請求項2に記載の投射型映像表示装置において、
前記6つのパラメータを調整するための調整機構は、
前記二つの光学エンジンのうち一方を基準として、残る一方を調整する
ことを特徴とする投射型映像表示装置。 - 請求項4に記載の投射型映像表示装置において、
前記6つのパラメータを調整するための調整機構は、
前記二つの光学エンジンのうち一方のみが有する
ことを特徴とする投射型映像表示装置。 - 映像信号に基づく画像を光学的に外部の表示部へ投射して表示する投射型映像表示装置であって、
前記画像を光学的に外部へ投射する二つの光学エンジンと、
前記二つの光学エンジンの各々が表示する画像の水平(H軸)方向の位置Hと垂直(V軸)方向の位置V、前記二つの光学エンジンの各々と前記表示部の間の奥行(Z軸)方向の位置Z、前記二つの光学エンジンの各々の前記V軸を中心とした前記X軸方向の相対的な角度θH、前記二つの光学エンジンの各々の前記H軸を中心とした前記V軸方向の相対的な角度θV、前記二つの光学エンジンの各々の前記Z軸を中心とした前記X軸方向の相対的な角度θZで表わされる6つのパラメータを調整する調整機構
を有し、
前記二つの光学エンジンのうち一方の光学エンジンは前記6つのパラメータのうち1つ以上5つ以内のパラメータを調整する調整機構を有し、残る一方の光学エンジンは前記6つのパラメータのうち残るパラメータを調整する調整機構を有する
ことを特徴とする投射型映像表示装置。 - 請求項6に記載の投射型映像表示装置において、
前記二つの光学エンジンの各々は、
前記映像信号の赤原色信号に基づく光学画像を生成する第1の液晶パネルと、前記映像信号の緑原色信号に基づく光学画像を生成する第2の液晶パネルと、前記映像信号の青原色信号に基づく光学画像を生成する第3の液晶パネルを有する液晶パネルユニットと、
前記第1乃至第3の液晶パネルの各々が生成した各光学画像を合成するクロスプリズムと、
当該クロスプリズムが合成した光学画像を外部に投射する投射レンズ
を有する液晶表示装置の光学エンジンであり、
前記X軸、Y軸、Z軸の原点は前記クロスプリズムの光学的中心に位置する
ことを特徴とする投射型映像表示装置。 - 請求項6に記載の投射型映像表示装置において、
前記二つの光学エンジンのうち一方の光学エンジンは前記6つのパラメータのうち少なくもθVを調整する調整機構を有し、残る一方の光学エンジンは前記6つのパラメータのうち少なくもθZを調整する調整機構を有する
ことを特徴とする投射型映像表示装置。 - 請求項6に記載の投射型映像表示装置において、
前記二つの光学エンジンのうち一方の光学エンジンは前記6つのパラメータのうち少なくもθVとZを調整する調整機構を有し、残る一方の光学エンジンは前記6つのパラメータのうち少なくもθZとθHを調整する調整機構を有する
ことを特徴とする投射型映像表示装置。 - 請求項8に記載の投射型映像表示装置において、
前記調整機構は、
前記パラメータθVを調整するための前記クロスプリズムの光学的中心を回転中心とする円筒座と、
前記パラメータθZを調整するための前記クロスプリズムの光学的中心を回転中心とする円筒座と、
前記パラメータθHを調整するための前記クロスプリズムの光学的中心を回転中心とする回転機構を有する
ことを特徴とする投射型映像表示装置。 - 請求項10に記載の投射型映像表示装置において、
前記調整機構は、
前記クロスプリズムに対する前記投射レンズの前記X軸方向位置又は前記V方向位置を移動して前記パラメータH又はVを調整する
ことを特徴とする投射型映像表示装置。
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JP2014544093A JP6001083B2 (ja) | 2012-10-30 | 2012-10-30 | 投射型映像表示装置 |
CN201280076795.3A CN104756006B (zh) | 2012-10-30 | 2012-10-30 | 投影型影像显示装置 |
PCT/JP2012/078002 WO2014068663A1 (ja) | 2012-10-30 | 2012-10-30 | 投射型映像表示装置 |
US14/439,515 US9560329B2 (en) | 2012-10-30 | 2012-10-30 | Projection-type video display device having adjusting mechanism of two optical engines |
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PCT/JP2012/078002 WO2014068663A1 (ja) | 2012-10-30 | 2012-10-30 | 投射型映像表示装置 |
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US (1) | US9560329B2 (ja) |
JP (1) | JP6001083B2 (ja) |
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- 2012-10-30 WO PCT/JP2012/078002 patent/WO2014068663A1/ja active Application Filing
- 2012-10-30 JP JP2014544093A patent/JP6001083B2/ja active Active
- 2012-10-30 CN CN201280076795.3A patent/CN104756006B/zh not_active Expired - Fee Related
- 2012-10-30 US US14/439,515 patent/US9560329B2/en active Active
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Also Published As
Publication number | Publication date |
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JP6001083B2 (ja) | 2016-10-05 |
CN104756006B (zh) | 2016-06-15 |
US20150271458A1 (en) | 2015-09-24 |
JPWO2014068663A1 (ja) | 2016-09-08 |
CN104756006A (zh) | 2015-07-01 |
US9560329B2 (en) | 2017-01-31 |
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