WO2015033408A1 - Dispositif d'affichage, système d'affichage et procédé d'affichage - Google Patents

Dispositif d'affichage, système d'affichage et procédé d'affichage Download PDF

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Publication number
WO2015033408A1
WO2015033408A1 PCT/JP2013/073845 JP2013073845W WO2015033408A1 WO 2015033408 A1 WO2015033408 A1 WO 2015033408A1 JP 2013073845 W JP2013073845 W JP 2013073845W WO 2015033408 A1 WO2015033408 A1 WO 2015033408A1
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WIPO (PCT)
Prior art keywords
video
display
unit
image
reduced
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PCT/JP2013/073845
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English (en)
Japanese (ja)
Inventor
達夫 最首
芳晴 桃井
Original Assignee
株式会社東芝
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Publication date
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Priority to PCT/JP2013/073845 priority Critical patent/WO2015033408A1/fr
Publication of WO2015033408A1 publication Critical patent/WO2015033408A1/fr

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    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/13336—Combining plural substrates to produce large-area displays, e.g. tiled displays

Definitions

  • Embodiments described herein relate generally to a display device, a display system, and a display method.
  • images may not be visible due to continuous connection due to the distance when viewing the display device, manufacturing errors of the display device, and installation errors when a plurality of display devices are adjacent to each other. .
  • the present invention has been made in view of the above, and can provide a display device, a display system, and a display method that improve the visibility of an image.
  • the display device of the embodiment includes a display unit, an optical element, and an adjustment unit.
  • the display unit includes a video display unit on which video is displayed and a frame unit provided outside the outer edge of the video display unit.
  • the optical element is provided so as to cover an outer edge region provided on the inner side from the outer edge portion and the frame portion in the display portion, and enlarges an image displayed from the display portion to the frame portion side.
  • the adjustment unit adjusts, in the video display unit, a reduction ratio of a video displayed from a reduced area that outputs a reduced video with a reduced pixel size, and a reference range that defines a range of the video displayed from the reduced area.
  • FIG. 1 is a diagram illustrating an example of a four-face tiling display that is an embodiment of a video display system including four video display devices according to the embodiment.
  • FIG. 2 is a schematic diagram for explaining an image enlargement direction by the linear lens of the image display device in the region of FIG. 1.
  • FIG. 3 is a schematic diagram for explaining an image enlargement direction by the circular lens and the linear lens of the image display device in the region of FIG. 1.
  • FIG. 4 is a schematic diagram for explaining how an image output from the image display apparatus according to the embodiment is viewed.
  • FIG. 5 is a block diagram illustrating a hardware configuration of the video display apparatus according to the embodiment.
  • FIG. 6 is a diagram for explaining a reduction ratio of an image displayed on the image display apparatus according to the embodiment.
  • FIG. 7 is a diagram illustrating a relationship between the output range of the video display unit of the video display device according to the embodiment and the video displayed by the video display device.
  • FIG. 1 is a diagram showing an example of a four-sided tiling display that is one form of a video display system that is configured by four video display devices according to the present embodiment.
  • four video display devices 100 are arranged in tiles, two in the horizontal direction (X direction) and two in the vertical direction (Y direction). It is constituted by.
  • each of the four video display devices 100 includes a display panel including a video display unit 10 and a frame unit 20, and an optical element 30.
  • the video display device 100 uses the optical element 30 to enlarge and display the video output from the video display device 100 on the frame unit 20 side. Thereby, it is realized that the viewer sees or hides the frame portion 20 from the viewer. Then, the video can be displayed as one display in which the four video display devices 100 are connected. Further, it is possible to suppress the viewer from seeing a rectangular outer frame configured by the frame portion 20 positioned outside the entire tiling display 1000.
  • the video display unit 10 of the video display device 100 includes a long side (first side) 10a extending in the X direction (first direction) and a short side (second side) 10b extending in the Y direction (second direction). It has a rectangular shape (rectangular shape).
  • the video display unit 10 is configured to be able to output video such as moving images and still images.
  • the video display unit 10 of the present embodiment is configured to output a reduced video reduced at a reduction rate corresponding to the enlargement rate of the optical element 30.
  • the frame portion 20 surrounds the outer edges 10a and 10b of the video display unit 10 (see the dotted mesh portion in FIG. 1), in other words, along the long side 10a and the short side 10b of the video display unit 10. It is provided to extend.
  • the optical element 30 includes an outer edge region and a frame provided on the inner side from the outer edge portions 10a and 10b of the image display unit 10 (boundary portions with the frame portion 20: portions formed by a pair of long sides 10a and short sides 10b). It is provided so as to cover the part 20.
  • the optical element 30 suppresses the viewer from seeing the frame 20 by enlarging the reduced video displayed from the outer edge area of the video display unit 10.
  • the optical element 30 includes a linear lens 31 having a rectangular shape provided so as to extend along the four sides of the video display unit 10 and a circular lens having a square shape or a rectangular shape provided at four corners of the video display unit 10. 32 in combination.
  • the linear lens 31 is configured to enlarge an image output from the outer edge region of the image display unit 10 only in one direction in the X direction or the Y direction (see an arrow in FIG. 2).
  • the circular lens 32 is configured to expand an image output from the outer edge area of the image display unit 10 in two directions (see arrows in FIG. 3) in the X direction and the Y direction.
  • this embodiment does not restrict
  • FIG. 2 is a schematic diagram for explaining an image enlargement direction by the linear lens 31 of the image display device 100 in the area 151 of FIG.
  • An area 151 shown in FIG. 2 includes the frame part 20 in the X direction of the tiling display 1000 and is located in the vicinity of the center part in the Y direction.
  • the linear lens 31 has an optical axis 11 extending along the side of the image display unit 10, and enlarges an image output from the outer edge region in line symmetry with respect to the optical axis 11. It is configured. That is, the linear lens 31 enlarges an image in a one-dimensional direction. In other words, a reduced image reduced in the one-dimensional direction is output from the region of the image display unit 10 that outputs an image enlarged by the linear lens 31 with reference to the optical axis 11.
  • the linear lens 31 includes the frame portion 20, an outer edge region provided inward from the outer edge portion 10 a in the image display unit 10 (an area from the outer edge portion 10 a of the image display unit 10 to the optical axis 11), and an outer edge region. It covers at least an inner edge region (region from the optical axis 11 to the end portion 31a) provided on the inner side.
  • the linear lens 31 enlarges the image displayed from the image display unit 10 toward the frame unit 20 in the outer edge region. Furthermore, the linear lens 31 enlarges the image displayed from the image display unit 10 from the frame unit 20 toward the image display unit 10 in the inner edge region.
  • FIG. 3 is a schematic diagram for explaining the enlargement direction of the image by the circular lens 32 and the linear lens 31 of the image display device 100 in the region 152 of FIG.
  • a region 152 shown in FIG. 3 includes the frame portion 20 in the X direction and the Y direction of the tiling display 1000, and is a region located near the center portion in the Y direction.
  • the linear lens 31 is configured to expand in line symmetry with respect to the optical axis l1.
  • the circular lens 32 has a center C at a position where two optical axes l1 respectively corresponding to two adjacent linear lenses 31 intersect, and an outer edge region (of the video display unit 10).
  • the image output from the outer edge portion 10a to the optical axis l1) and the inner edge region (the area from the optical axis l1 to the end portion 31a) provided inside the outer edge region is point-symmetric with respect to the center C. It is configured to expand.
  • the circular lens 32 enlarges the image on the frame part 20 side (outer edge region) from the center C to the frame part 20 side. Further, the circular lens 32 enlarges the image on the opposite side (inner edge region) from the center C to the side opposite to the frame part 20 from the center C. In other words, a reduced image reduced in the two-dimensional direction with respect to the center C is output from the region of the image display unit 10 that outputs an image enlarged by the circular lens 32.
  • the linear lens 31 is configured by a Fresnel-shaped lens divided in line symmetry with respect to the optical axis 11 (see FIG. 2).
  • the circular lens 32 is configured by a Fresnel-shaped lens that is divided point-symmetrically (concentrically) with respect to the center C (see FIG. 3).
  • thickness d1 (refer FIG. 4) of the front-back direction (Z direction) of the linear lens 31 and the circular lens 32 can be made small compared with a normal convex-shaped lens.
  • FIG. 4 is a schematic diagram for explaining how an image output by the image display device 100 of this embodiment is viewed.
  • the video display unit 10 of the video display device 100 has a normal area R ⁇ b> 1 in which a normal video that has not been enlarged or reduced is output, and a reduction ratio corresponding to the enlargement ratio of the optical element 30.
  • a reduced area R2 in which reduced video (reduced video) is output.
  • a two-dot chain line in FIG. 4 indicates an image (virtual image) visually recognized by the viewer via the optical element 30.
  • the structure which supports the optical element 30 from the display panel 40 may be any configuration.
  • a flat plate portion provided so as to cover the video display portion 10 while being spaced apart from the video display portion 10 and a support portion provided so as to support the flat plate portion may be used.
  • the space may be filled with resin or the like.
  • the optical element 30 (magnification rate is m) enlarges the reduced image output from the reduction region R ⁇ b> 2 as a virtual image V ⁇ b> 1 having a larger width than the optical element 30.
  • the virtual image V1 on the frame unit 20 side, as an example, it can be seen that images can be continuously viewed between adjacent video display devices 100 (without the frame unit 20). Realize.
  • the width of the inner reduced region R6 is smaller than the inner length d4 from the optical axis 11 of the optical element 30.
  • the width (m ⁇ ( ⁇ + ⁇ + ⁇ )) of the virtual image V1 corresponding to the outer edge region is larger than the entire length d2 of the optical element 30.
  • the video display device 100 of the present embodiment can display a video as if there is no frame portion 20 by providing the above-described configuration.
  • the virtual image V ⁇ b> 1 has a region R ⁇ b> 3 that protrudes outside the end portion on the outer side (the frame portion 20 side) of the video display device 100.
  • a partial region R4 of the reduced region R2 corresponding to the region R3 is a region adjacent to the other video display device 100 adjacent to the video display device 100 illustrated in FIG. The video displayed near the end of the video display device 100 is output in a reduced state.
  • a region R4 in which a video output in another region (for example, near the end of another video display device 100) is output (in a reduced state) is referred to as an overlapping region.
  • the viewer when the viewer views the tiling display 1000 (see FIG. 1) configured by a plurality of video display devices 100, the viewer can view the overlapping video in the region R3 by the amount that can be viewed in the boundary portion of the video display device 100. It can suppress giving a strange feeling to a person. That is, even when the viewer views the video display device 100 from the viewpoint P3 that is inside (opposite to the frame portion 20) by the angle ⁇ 3 with respect to the outer end of the optical element 30, the video that does not fail to the viewer. Can be visually recognized.
  • the enlargement ratio m of the optical element 30 is set so that the length of the outer side (frame portion 20 side) of the optical element 30 with respect to the optical axis 11 is d3. Based on the length ⁇ of the region R5 that does not include the overlapping region R4 in the region, it is expressed by the following formula (1).
  • the width of the frame portion 20 is W and the length of the overlapping region R4 is ⁇ , the viewer is prevented from visually recognizing the frame portion 20 (the virtual image V1 covering the optical element 30 is visually recognized by the viewer). ) Is expressed by the following formula (2).
  • the frame portion 20 is not visually recognized at least when viewed from the front side (one side in the Z direction: the upper side in FIG. 4). Further, in the present embodiment, by providing the overlapping region R4 having the length ⁇ , the viewer can reach the viewpoint P3 that is on the inner side (opposite to the frame portion 20) by the angle ⁇ 3 with respect to the outer end portion of the optical element 30. It is possible to visually recognize an image that does not fail.
  • the distance A between the image display unit 10 and the optical element 30 is expressed by the following formula (3).
  • the distance B at which the virtual image V1 is visually recognized is represented by the following formula (4).
  • the angle ⁇ 3 at which the overlapping region R4 is visually recognized is expressed by the following equation (5).
  • the length ⁇ of the inner region R6 with respect to the axis l1 can be calculated.
  • FIG. 5 is a block diagram showing a hardware configuration of the video display apparatus 100 according to the present embodiment. 5 includes an input terminal 501, a signal processing unit 502, a speaker 503, a control unit 504, an operation unit 505, an HDD (Hard Disk Drive) 506, and a memory 507. I have.
  • a signal processing unit 502 a speaker 503, a control unit 504, an operation unit 505, an HDD (Hard Disk Drive) 506, and a memory 507. I have.
  • HDD Hard Disk Drive
  • the input terminal 501 supplies a video signal and an audio signal input from the outside to the signal processing unit 502.
  • the signal processing unit 502 performs predetermined signal processing, scaling processing, and the like on the input video signal, and supplies the processed video signal to the display panel 40.
  • the signal processing unit 502 performs predetermined signal processing on the input digital audio signal, converts the digital audio signal into an analog audio signal, and outputs the analog audio signal to the speaker 503. Furthermore, the signal processing unit 502 also generates an OSD (On Screen Display) signal to be displayed on the display panel 40.
  • OSD On Screen Display
  • the speaker 503 inputs the audio signal supplied from the signal processing unit 502 and outputs audio using the audio signal. Since the display panel 40 and the optical element 30 have been described above, description thereof will be omitted.
  • the control unit 504 reads out the program and comprehensively controls various operations in the video display device 100.
  • the control unit 504 is a microprocessor with a built-in CPU (Central Processing Unit) and the like, inputs operation information from the operation unit 505, and controls each unit according to the operation information.
  • CPU Central Processing Unit
  • the HDD 506 has a function as recording means for recording the input video signal and audio signal.
  • the video display apparatus 100 can reproduce video and audio using digital video signals and audio signals recorded in the HDD 506.
  • the control unit 504 uses the memory 507 as a work area.
  • the memory 507 mainly includes a ROM (Read Only Memory) storing a control program (including the video control program 510) executed by the CPU built in the control unit 504, and a RAM (provided with a work area for the CPU). Random Access Memory) and a non-volatile memory in which various setting information and control information are stored.
  • the image acquisition unit 513 acquires the video displayed on the video display unit 10 as captured image data captured by the imaging unit 160.
  • the adjustment unit 511 is configured so that when the video is continuously connected due to an installation error when a plurality of video display devices 100 are adjacent to each other or due to a manufacturing error of the display device, the video is continuously visible. Adjust video processing parameters. Further, the adjustment unit 511 adjusts the video processing parameter so that the video can be continuously viewed from the viewing position assumed when the user views the video display device 100. At that time, the adjustment unit 511 of the present embodiment adjusts the video processing parameter based on the captured image data acquired by the image acquisition unit 513.
  • the case where the image cannot be continuously viewed includes the case where the boundary between the image via the optical element 30 and the image not via the optical element 30 is deviated, and the case where the image is deviated between adjacent video display devices 100. There is.
  • the video processing parameters adjusted by the adjustment unit 511 include at least a reference range that defines the range of video displayed from the reduced area R2 and a reduction rate of video displayed from the reduced area R2. Furthermore, a shift amount for shifting the entire video displayed from the video display unit 10 in at least one of the vertical direction and the horizontal direction within the display area may be included. Further, the video processing parameters may include the enlargement ratio of the normal region R1 and the luminance of the video. Further, the video processing parameter may be adjusted to a different value for each area of the video display unit 10, or may be adjusted to a different value in the Y direction (vertical direction) and the X direction (horizontal direction).
  • FIG. 6 is a diagram for explaining a reduction rate of a video displayed on the video display device 100.
  • one video display device 100 installed at the upper left of the four-sided tiling display will be described as an example, but other video images can be applied to other video display devices 100.
  • the description regarding the display device 100 is omitted.
  • FIG. 6 is a diagram for explaining video reduction processing and enlargement processing, a reference range before these processing, and an output range after processing. For this reason, in FIG. 6, the coordinates of the outer edge of the frame 20 and the inner edge of the optical element 30 are omitted.
  • the coordinates in the X direction are x0 to x10
  • the coordinates in the Y direction are y0 to y10.
  • the coordinates x1 and x8 indicating the outer edge of the video display unit 10
  • the coordinates x2 and x7 indicating the inner edge of the reduced region R2
  • the coordinates indicating the outer edge of the reference range of the video output from the normal region R1 Let x3 and x6.
  • coordinates x4 and x5 indicating the inner edge of the reference range of the reduced video output from the reduced region R2 (R6) are used.
  • the coordinates x0 and x9 indicating the outer edge of the display range of the image (virtual image) after the reduced image output from the reduced region R5 in the reduced region R2 is enlarged through the optical element 30 are set.
  • the coordinate x10 indicates the outer edge of the reference range of the reduced video output from the reduced region R4.
  • the optical element 30 of the present embodiment enlarges the reduced image to at least the vicinity of the frame portion 20.
  • the reduced video corresponding to the partial video in the clip range x1 to x4 which is a part of the input video for the entire surface of the 4-sided tiling display, is displayed from the range x1 to x2. Also, reduced video corresponding to partial video in the clip range x5 to x10, which is a part of the input video for the entire surface of the four-screen tiling display, is displayed from the range x7 to x8.
  • coordinates y1 and y8 indicating the outer edge of the video display unit 10
  • coordinates y2 and y7 indicating the inner edge of the reduced area R2
  • coordinates indicating the outer edge of the reference range of the video output from the normal area R1 Let y3 and y6. Further, the coordinates y4 and y5 indicating the inner edge of the reference range of the reduced video output from the reduced area R2 are used. Further, the coordinates y0 and y9 indicating the outer edge of the display range of the image (virtual image) after the reduced image output from the reduced region R2 is enlarged through the optical element 30 are set.
  • the coordinate y10 indicates the outer edge of the reference range of the reduced video output from the reduced region R4. In other words, in this embodiment, at least the video is enlarged to the vicinity of the frame portion 20.
  • the reduced video corresponding to the partial video in the clip range y1 to y4 which is a part of the input video for the entire surface of the 4-sided tiling display, is displayed from the range y1 to y2.
  • reduced images corresponding to partial images in the clip range y5 to y10 cut from the input image for the entire surface of the four-screen tiling display are displayed from the ranges y7 to y8.
  • the optical element 30 when the optical element 30 is displaced to the outer edge side, the vicinity of the boundary between the reduction area R2 near the inner edge side of the optical element 30 and the normal area R1 is visible to the user.
  • the reduction ratio of the video output from the reduction region R2 and the clip range corresponding to the video output from the reduction region R2 (Reference range) needs to be adjusted. Therefore, in the present embodiment, after the pattern display control unit 514 displays a periodic pattern image or the like on the video display unit 10, the image acquisition unit 513 acquires captured image data obtained by capturing the displayed periodic pattern video, Based on the captured image data, the adjustment unit 511 adjusts the reduction rate of the reduced video in the reduction region R2 so that the pixel sizes of the video through the optical element 30 and the video without the optical element 30 match. .
  • the pattern display control unit 514 displays a pattern image in which a square or a circle is drawn on the optical element 30 as an image through the optical element 30, so that the adjustment unit 511 is acquired by the image acquisition unit 513. Based on the captured image data, the reduction ratio of the reduced video in the reduction area R2 is adjusted so that the aspect ratio of the displayed video is correct.
  • the adjustment unit 511 adjusts the clip range (reference range) of the video displayed from the reduced region R2 so that the video fits at the outer edge or the inner edge of the optical element 30.
  • the adjustment unit 511 adjusts the clip range (reference range) of the video displayed from the reduced region R2 so that the video fits at the outer edge or the inner edge of the optical element 30.
  • FIG. 7 shows an output range (output coordinates) of the video display unit 10 of the video display device 100 and a video input to the video display device 100 (hereinafter, the input video is referred to as an input video.
  • the reference range it is called a reference coordinate when an input image
  • the reference range it is set as the image
  • the image display device 100 is asymmetric between the side with the image display device 100 (lower left side in FIG. 7) and the side without the image display device 100 (upper right side in FIG. 7).
  • the video display device 100 displays a video (including a virtual image) at coordinates x0 to x9. This displayed image is enlarged by the optical element 30 to a range indicated by a dotted line 701. That is, the adjustment unit 511 of the video display device 100 needs to adjust the video output to follow the dotted line 701.
  • a reduced image in the range x1 'to x4' is displayed as an image (virtual image) in the coordinates x0 to x2.
  • a reduced image in the range x5 'to x10' is displayed as an image (virtual image) having coordinates x7 to x9.
  • a straight line 702 means that the video (coordinates x1 to x8) is displayed from the range of the input video (coordinates x1 ′ to x8 ′) unless the video is reduced or enlarged.
  • the adjustment unit 511 needs to perform adjustment so that an image input from the range of coordinates x1 ′ to coordinates x10 ′ is enlarged as an image (virtual image) of coordinates x0 to coordinates x9. . That is, the adjustment unit 511 enlarges / reduces the video along the dotted line 701.
  • the adjustment unit 511 enlarges the input video range (x3 ′ to x6 ′) corresponding to the video (x2 to x7) output from the normal region R1 at the second predetermined enlargement ratio (tan ⁇ x2 ).
  • an output of an enlarged image corresponding to the range 711 can be realized as an image from the normal region R1.
  • the range of the input video corresponding to the video output from the reduction region R2 is reduced at a predetermined reduction rate (tan ⁇ x1 ).
  • a predetermined reduction rate (tan ⁇ x1 )
  • it is necessary to satisfy the predetermined enlargement ratio K ⁇ reduction ratio (tan ⁇ x1 ) enlargement ratio (tan ⁇ x2 ) of the optical element 30.
  • the enlargement factor K is shifted due to installation errors and manufacturing errors.
  • the video output from the reduced area R2 may not match with other video.
  • the adjustment unit 511 adjusts the reference range (coordinates x0 ′ to x4 ′) and the reduction rate of the video output from the reduction region R2, the reference range and reduction rate of the video output from the normal region R1, and the like. .
  • the adjustment unit 511 adjusts the reference range and the reduction rate of the reduction region R4 on the side. As described above, the adjustment unit 511 adjusts the reference range and the reduction ratio of the entire video display device 100.
  • the adjustment unit 511 of the present embodiment adjusts at least the reduction ratio of the reduction region R2 and the reference range (clip range) of the video output from the reduction region R2, thereby matching the images. Can do.
  • the adjustment unit 511 performs adjustment to shift the video of the entire screen of the video display unit 10.
  • the adjustment unit 511 adjusts the shift amount of the entire video displayed from the video display unit 10 based on the displayed pattern image.
  • the enlargement ratio of the normal region R1 may be adjusted.
  • only the reduction ratio and reference range (position) of the reduced region R2 may be adjusted without enlarging the normal region R1.
  • an image pickup unit may be mounted on the video display device 100 and provided with a user tracking function for detecting the user's position so that the parallax is compensated according to the user's position.
  • the luminance correction unit 512 corrects the luminance value of the video output from the video display unit 10 based on the captured image data acquired by the image acquisition unit 513.
  • the adjustment unit 511 adjusts the video processing parameters, so that the viewing distance, the manufacturing error, and the installation error are corrected, and the user continuously connects and views the video. Can do. Thereby, the visibility of an image can be improved.

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  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
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  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

Conformément à un mode de réalisation, l'invention concerne un dispositif d'affichage qui comprend une unité d'affichage, un élément optique et une unité de réglage. L'unité d'affichage comprend une unité d'affichage d'image pour afficher une image et un cadre disposé à l'extérieur de la périphérie externe de l'unité d'affichage d'image. L'élément optique est conçu pour recouvrir le cadre et une région périphérique externe disposée à l'intérieur de l'unité d'affichage et vers l'intérieur de la périphérie externe et agrandit une image affichée sur l'unité d'affichage vers le côté cadre. L'unité de réglage règle un rapport de réduction d'une image affichée sur une région de réduction, qui délivre une image réduite ayant une taille de pixel réduite, de l'unité d'affichage d'image et une plage de référence pour régler la plage d'une image affichée sur la région de réduction.
PCT/JP2013/073845 2013-09-04 2013-09-04 Dispositif d'affichage, système d'affichage et procédé d'affichage WO2015033408A1 (fr)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000180964A (ja) * 1998-12-21 2000-06-30 Nippon Hoso Kyokai <Nhk> マルチ投射型スクリーン
JP2004524551A (ja) * 2000-11-27 2004-08-12 シームレス ディスプレイ リミテッド ビジュアル・ディスプレイスクリーン装置
WO2009066436A1 (fr) * 2007-11-22 2009-05-28 Sharp Kabushiki Kaisha Dispositif d'affichage
WO2011067996A1 (fr) * 2009-12-02 2011-06-09 シャープ株式会社 Dispositif et procede d'affichage

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000180964A (ja) * 1998-12-21 2000-06-30 Nippon Hoso Kyokai <Nhk> マルチ投射型スクリーン
JP2004524551A (ja) * 2000-11-27 2004-08-12 シームレス ディスプレイ リミテッド ビジュアル・ディスプレイスクリーン装置
WO2009066436A1 (fr) * 2007-11-22 2009-05-28 Sharp Kabushiki Kaisha Dispositif d'affichage
WO2011067996A1 (fr) * 2009-12-02 2011-06-09 シャープ株式会社 Dispositif et procede d'affichage

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