CN103514856A - Screen sharing system and dual-view display thereof - Google Patents
Screen sharing system and dual-view display thereof Download PDFInfo
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- CN103514856A CN103514856A CN201210207040.4A CN201210207040A CN103514856A CN 103514856 A CN103514856 A CN 103514856A CN 201210207040 A CN201210207040 A CN 201210207040A CN 103514856 A CN103514856 A CN 103514856A
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Abstract
A dual-view display comprises a display panel and a lens assembly device. The display panel comprises a plurality of pixels arranged in matrix, all odd pixel columns and all even pixel columns in the pixel matrix are respectively driven to display a first image and a second image, and the odd pixel columns and the even pixel columns are of equal width. The lens assembly device is installed in front of the display panel and guides the first image and the second image displayed by the display panel to different directions. Each lens of the lens assembly device correspondingly covers an odd pixel column and an even pixel column which are adjacent to each other, a shielding plate is arranged between every two adjacent lenses, and the sum of the width of one lens and the width of one shielding plate is equal to the sum of the width of one odd pixel column and the width of one even pixel column. The distance between the display panel and the lens assembly device is equal to one half of the focal length of the lenses. The invention further provides a screen sharing system. According to the screen sharing system, a lens assembly device is added on the basis of an existing display, and a function of displaying different images in visual regions on the two sides of the display is easily achieved.
Description
Technical field
The present invention relates to a kind of display, particularly relate to a kind of Screen Sharing System and double-vision display.
Background technology
Along with the development of display technique, there is double-vision display (Dual View Display).This display can demonstrate different images on same display screen, and shows respectively the beholder on the display left side and the right.
Existing a kind of double-vision display is to adopt optical grating construction adjacent pixel region to be divided into two parts pixel region in left visual field and the visual field, right side.Yet the angle that this double-vision display left and right sides is watched is fixed, and can not regulate neatly as required, is unfavorable for watching of user.
Also have a kind of double-vision display to adopt bidirectional backlight module to realize, by backlight module travel direction is designed, make can see different images the beholder of this double-vision display left and right sides.Yet this double-vision display is expensive, technique more complicated, needs the display of specific customization.
Summary of the invention
In view of this, be necessary to provide a kind of novel double-vision display, to realize easily, doublely in visible area, display both sides, share same display and watch different films and non-interfering function.
, comprising:
One display panel, comprises a plurality of pixels of arranging with matrix, and all strange pixel columns of this picture element matrix form one first and show sub-panel, and all dual pixel row form one second and show sub-panel, and this strange pixel column is arranged in order with dual pixel row and width equates;
One first display driver unit, is connected with this first demonstration sub-panel, for drive first to show that sub-panel shows the first image that this first vision signal is corresponding according to one first vision signal;
One second display driver unit, is connected with this second demonstration sub-panel, for drive second to show that sub-panel shows the second image that this second vision signal is corresponding according to one second vision signal; And
One lens combination device, be installed on the place ahead of display panel, be used for the first shown image orientation first direction of this first demonstration sub-panel, by the second shown image orientation second direction of the second demonstration sub-panel, wherein, this lens combination device comprises a plurality of prism-shaped lens, each lens correspondence is covered in an adjacent strange pixel column and the dual pixel row of this display panel, between adjacent two lens, be provided with a shutter, the width sum of lens and a shutter equals the width sum of a strange pixel column and dual pixel row; Distance between this display panel and this lens combination device equals 1/2nd times of focal lengths of lens.
Also be necessary to provide a kind of Screen Sharing System.
A kind of Screen Sharing System, comprise a multimedia playing apparatus and a double-vision display, wherein, this multimedia playing apparatus is for carrying out hybrid processing by one first vision signal and one second vision signal that correspond respectively to two audio/video file data, obtain a mixed video signal, and this mixed video signal is sent to this double-vision display;
This double-vision display comprises:
One display panel, comprises a plurality of pixels of arranging with matrix, and all strange pixel columns of this picture element matrix form one first and show sub-panel, and all dual pixel row form one second and show sub-panel, and this strange pixel column is arranged in order with dual pixel row and width equates;
One signal processing unit, for being reduced to the mixed video signal receiving the first vision signal and the second vision signal;
One first display driver unit, is connected with this signal processing unit and this first demonstration sub-panel, for drive first to show that sub-panel shows the first image that this first vision signal is corresponding according to the first vision signal;
One second display driver unit, is connected with this signal processing unit and this second demonstration sub-panel, for drive second to show that sub-panel shows the second image that this second vision signal is corresponding according to the second vision signal; And
One lens combination device, be installed on the place ahead of display panel, be used for the first shown image orientation first direction of this first demonstration sub-panel, by the second shown image orientation second direction of the second demonstration sub-panel, wherein, this lens combination device comprises a plurality of prism-shaped lens, each lens correspondence is covered in an adjacent strange pixel column and the dual pixel row of this display panel, between adjacent two lens, be provided with a shutter, the width sum of lens and a shutter equals the width sum of a strange pixel column and dual pixel row; Distance between this display panel and this lens combination device equals 1/2nd times of focal lengths of lens.
The double-vision display that Screen Sharing System of the present invention adopts, by on existing display basis, increase a lens combination device, thereby realize easily and doublely in the visible area of the display left and right sides, share same display and watch different films and non-interfering function, its display effect and production cost have superiority.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of Screen Sharing System of the present invention.
Fig. 2 is the structure of double-vision display and the schematic diagram of demonstration image of Fig. 1.
Fig. 3 is an optical schematic diagram provided by the invention, with the principle to the image imaging of display panel demonstration from microcosmic direction explanation lens combination device.
Fig. 4 is another optical schematic diagram provided by the invention, with the principle to the image imaging of display panel demonstration from macroscopical direction explanation lens combination device.
Fig. 5 is the schematic diagram of a kind of fixed form of lens combination device provided by the invention and display panel.
Fig. 6 is the schematic diagram of the another kind of fixed form of lens combination device provided by the invention and display panel.
Main element symbol description
Double-vision display 30
The virtual image 3021 ', 3022 '
Shutter 3032,30321,30322
The first display driver unit 304
The second display driver unit 305
Screw 306
Division board 307
The first vision area D1
The second vision area D2
Visible area A1, A2, A12, B1, B2, B12
The first vision signal Vedio1
The second vision signal Vedio2
Mixed video signal Vedio12
Following embodiment further illustrates the present invention in connection with above-mentioned accompanying drawing.
Embodiment
Refer to Fig. 1, a kind of Screen Sharing System 100 is provided, this system 100 comprises a multimedia playing apparatus 20 and a double-vision display 30, wherein, this multimedia playing apparatus 20 is for carrying out hybrid processing by the one first vision signal Vedio1 and the one second vision signal Vedio2 that correspond respectively to two audio/video file data, obtain a mixed video signal Vedio12, and this mixed video signal Vedio12 is sent to this double-vision display 30, after the two-way audio signal that corresponds respectively to these two audio/video file data being synchronizeed with the first vision signal Vedio1 and the second vision signal Vedio2 respectively, by two audio ports, export respectively simultaneously.That is, the sound signal of the audio/video file data corresponding with the first vision signal Vedio1 and this first vision signal is synchronous, simultaneously that the sound signal of the audio/video file data corresponding with the second vision signal Vedio2 and this second vision signal is synchronous.
This double-vision display 30 comprises a signal processing unit 301, a display panel 302, a lens combination device 303, the first display driver unit 304 and the second display driver unit 305.Please refer to Fig. 2, in present embodiment, this display panel 302 comprises a plurality of pixels of arranging with matrix, and all strange pixel columns 30210 of this picture element matrix form first and show sub-panel 3021, and all dual pixel row 30220 form second and show sub-panel 3022.This signal processing unit 301 is reduced to the first vision signal Vedio1 and the second vision signal Vedio2 by the mixed video signal receiving.This first display driver unit 304 is connected with this signal processing unit 301 and this first demonstration sub-panel 3021, for drive first to show that sub-panel 3021 shows the first image corresponding to this first vision signal Vedio1 according to the first vision signal Vedio1.The second display driver unit 305 is connected with this signal processing unit 301 and this second demonstration sub-panel 3022, for drive second to show that sub-panel 3022 shows the second image corresponding to this second vision signal Vedio2 according to the second vision signal Vedio2.
This lens combination device 303 is installed on display panel 302 the place ahead, be used for this first demonstration sub-panel 3021, it is the shown image orientation first direction of all strange pixel columns 30210 of display panel 302, by the second demonstration sub-panel 3022, i.e. the second shown image orientation second direction of all dual pixel row 30220 of display panel 302.Thereby, this double-vision display 30 presents in the position that is first direction with display panel 302 image that the first vision signal Vedio1 is corresponding, the position of second direction presents image corresponding to the second vision signal Vedio2, makes user to watch different images in different directions.In present embodiment, this lens combination device 303 comprises a plurality of prism-shaped lens 3031, the incidence surface that these lens 3031 are plane near a side of this display panel 302, the exiting surface that opposite side is arcwall face.In present embodiment, each lens 3031 correspondence is covered in adjacent strange pixel column 30210 and dual pixel row 30220 of this display panel 302.
Refer to Fig. 3, show an optical schematic diagram provided by the invention, so that the principle of the image imaging that 303 pairs of these display panels of this lens combination device 302 show to be described from microcosmic direction.As shown in Fig. 3 (a), in present embodiment, between adjacent two lens 3031, be provided with shutter 3032, this shutter 3032 is made by light-proof material, to prevent the optical interference of lens to adjacent pixel column imaging.
If the width of these lens 3031 is L, the width of this shutter 3032 is S, the width of single pixel column is P, in present embodiment, this strange pixel column 30210 is arranged in order with dual pixel row 30220 and width equates, the width sum of lens 3031 and a shutter 3032 equals the width sum of a strange pixel column 30210 and dual pixel row 30220, i.e. L+S=2*P.
If the distance between this display panel 302 and lens 3031 is U, the focal length of these lens 3031 is f, and in present embodiment, this display panel 302 is arranged on 1/2nd times of focal length places, i.e. U=f/2 at these lens 3031 rears.Known according to optical imaging concept, for pixel column, for example dual pixel row 30220, the virtual image 30220 ' that can produce the double-width of these dual pixel row 30220 at lens 3031 rears.If the width of the virtual image 30220 ' is D, D=2*P.If the distance between the virtual image 30220 ' and lens 3031 is V, according to virtual image forming formula: 1/f=1/U-1/V, can draw V=f.
Refer to Fig. 3 (b), with the strange pixel column 30210 at a lens Dui Qi rear and dual pixel row 30220, be imaged as example and describe.Dotted line L1 is shutter 30322 edges through lens 3,031 one sides, beholder can see the border of the virtual image 30220 ' peak of these dual pixel row 30220 by the lens 3031 in dual pixel row 30220 dead aheads, dotted line L1 ' is the parallel lines of dotted line L1, it is through the edge of the shutter 30321 of lens 3031 opposite sides, therefore, in the first vision area D1 being formed by parallel dotted lines L1, L1 ', can see the upper part of the virtual image 30220 '; Dotted line L2 is process shutter 30321 edges, beholder can see the border of the virtual image 30220 ' minimum point of these dual pixel row 30220 by the lens 3031 in dual pixel row 30220 dead aheads, dotted line L2 ' is the parallel lines of dotted line L2, it is through the edge of shutter 30322, therefore, in the second vision area D2 being formed by parallel dotted lines L2, L2 ', can see the lower part of the virtual image 30220 '.From optical imaging concept, what in the scope of the first vision area D1 and the second vision area D2, see is all 30220 ' virtual image part, and can not see the virtual image 30210 ', in the scope between dotted line L1 ', L2 ', all sees only the virtual image 30220 '.In like manner, only in the scope between dotted line R1 ', R2 ', can see the virtual image 30210 '.
If the angle that dotted line L1 and lens main shaft form is α, dotted line L2 is β with the angle that lens main shaft forms, by mathematical formulae and above-mentioned each length, each apart between relation can obtain: tan α=(L+2S)/2f, tan β=L/2f.Therefore, beholder can depart from the image that display panel 302 watches in from α angle to the vision area between β angle strange pixel column (or dual pixel row) to show.
Refer to Fig. 4, show another optical schematic diagram provided by the invention, so that the principle of the image imaging that 303 pairs of these display panels of this lens combination device 302 show to be described from macroscopical direction.
As mentioned above, image Jun Youyige visible area due to each pixel column demonstration on display panel 302, if it is A1 that the visible area of the image of the first dual pixel row demonstration is played in display panel 302 left sides, the visible area of the image that last dual pixel row show is A2, the overlapping region of visible area A1 and A2 is visible area A12, the visible area of the image that the first strange pixel column shows is B1, the visible area of the image that last strange pixel column shows is B2, the overlapping region of visible area B1 and B2 is visible area B12, beholder can watch the image that all dual pixel row of this display panel 302 show in the visible area A12 in display panel 302 left sides, second shows second image corresponding with this second vision signal Vedio2 that sub-panel shows, the image that beholder can watch 302 odd pixel columns of this display panel to show in the visible area B12 on display panel 302 right sides, first shows first image corresponding with this first vision signal Vedio1 that sub-panel shows.
Between this lens combination device 303 and this display panel 302, can adopt different fixed forms, in one embodiment, as shown in Figure 5, this lens combination device 303 is fixed on display panel 302 the place ahead by screw 306, and by distance and setting angle between adjustable this lens combination device 303 of set screw 306 and this display panel 302.In another embodiment, as shown in Figure 6, this lens combination device 303 adopts soft optical material, and adheres to display panel 302 the place ahead to paste the mode of screen.For convenience of pasting and guaranteeing fastness, between this lens combination device 303 and display panel 302, can be provided with the division board 307 of an employing light transmissive material, to fill distance required between this lens combination device 303 and display panel 302.In another embodiment, can before manufacture display panel 302 dispatches from the factory, this lens combination device 303 be made on this display panel 302, to guarantee better the precision of the image imaging that 303 pairs of these display panels of this lens combination device 302 show.
The double-vision display that Screen Sharing System of the present invention adopts, by on existing display basis, increase a lens combination device, thereby realize easily and doublely in the visible area of the display left and right sides, share same display and watch different films and non-interfering function, its display effect and production cost have superiority.
Those skilled in the art will be appreciated that; above embodiment is only for the present invention is described; and be not used as limitation of the invention; as long as within connotation scope of the present invention, within the appropriate change that above embodiment is done and variation all drop on the scope of protection of present invention.
Claims (10)
1. a double-vision display, comprising:
One display panel, comprises a plurality of pixels of arranging with matrix, and all strange pixel columns of this picture element matrix form one first and show sub-panel, and all dual pixel row form one second and show sub-panel, and this strange pixel column is arranged in order with dual pixel row and width equates;
One first display driver unit, is connected with this first demonstration sub-panel, for drive first to show that sub-panel shows the first image that this first vision signal is corresponding according to one first vision signal;
One second display driver unit, is connected with this second demonstration sub-panel, for drive second to show that sub-panel shows the second image that this second vision signal is corresponding according to one second vision signal; And
One lens combination device, be installed on the place ahead of display panel, be used for the first shown image orientation first direction of this first demonstration sub-panel, by the second shown image orientation second direction of the second demonstration sub-panel, wherein, this lens combination device comprises a plurality of prism-shaped lens, each lens correspondence is covered in an adjacent strange pixel column and the dual pixel row of this display panel, between adjacent two lens, be provided with a shutter, the width sum of lens and a shutter equals the width sum of a strange pixel column and dual pixel row; Distance between this display panel and this lens combination device equals 1/2nd times of focal lengths of lens.
2. double-vision display as claimed in claim 1, is characterized in that, the incidence surface that these lens are plane near a side of this display panel, the exiting surface that opposite side is arcwall face.
3. double-vision display as claimed in claim 1, is characterized in that, this shutter is made by light-proof material, to prevent the optical interference of lens to adjacent pixel column imaging.
4. double-vision display as claimed in claim 1, is characterized in that, this lens combination device is fixed on the place ahead of display panel by screw, and by distance and setting angle between adjustable this lens combination device of set screw and this display panel.
5. double-vision display as claimed in claim 1, it is characterized in that, this lens combination device adopts soft optical material, and the mode of shielding with subsides adheres to the place ahead of display panel, between this lens combination device and display panel, be provided with the division board of an employing light transmissive material, to fill distance required between this lens combination device and display panel.
6. a Screen Sharing System, comprise a multimedia playing apparatus and a double-vision display, wherein, this multimedia playing apparatus is for carrying out hybrid processing by one first vision signal and one second vision signal that correspond respectively to two audio/video file data, obtain a mixed video signal, and this mixed video signal is sent to this double-vision display;
This double-vision display comprises:
One display panel, comprises a plurality of pixels of arranging with matrix, and all strange pixel columns of this picture element matrix form one first and show sub-panel, and all dual pixel row form one second and show sub-panel, and this strange pixel column is arranged in order with dual pixel row and width equates;
One signal processing unit, for being reduced to the mixed video signal receiving the first vision signal and the second vision signal;
One first display driver unit, is connected with this signal processing unit and this first demonstration sub-panel, for drive first to show that sub-panel shows the first image that this first vision signal is corresponding according to the first vision signal;
One second display driver unit, is connected with this signal processing unit and this second demonstration sub-panel, for drive second to show that sub-panel shows the second image that this second vision signal is corresponding according to the second vision signal; And
One lens combination device, be installed on the place ahead of display panel, be used for the first shown image orientation first direction of this first demonstration sub-panel, by the second shown image orientation second direction of the second demonstration sub-panel, wherein, this lens combination device comprises a plurality of prism-shaped lens, each lens correspondence is covered in an adjacent strange pixel column and the dual pixel row of this display panel, between adjacent two lens, be provided with a shutter, the width sum of lens and a shutter equals the width sum of a strange pixel column and dual pixel row; Distance between this display panel and this lens combination device equals 1/2nd times of focal lengths of lens.
7. Screen Sharing System as claimed in claim 6, is characterized in that, the incidence surface that these lens are plane near a side of this display panel, the exiting surface that opposite side is arcwall face.
8. Screen Sharing System as claimed in claim 6, is characterized in that, this shutter is made by light-proof material, to prevent the optical interference of lens to adjacent pixel column imaging.
9. Screen Sharing System as claimed in claim 6, is characterized in that, this lens combination device is fixed on the place ahead of display panel by screw, and by distance and setting angle between adjustable this lens combination device of set screw and this display panel.
10. Screen Sharing System as claimed in claim 6, it is characterized in that, this lens combination device adopts soft optical material, and the mode of shielding with subsides adheres to the place ahead of display panel, between this lens combination device and display panel, be provided with the division board of an employing light transmissive material, to fill distance required between this lens combination device and display panel.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210207040.4A CN103514856A (en) | 2012-06-21 | 2012-06-21 | Screen sharing system and dual-view display thereof |
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| CN201210207040.4A CN103514856A (en) | 2012-06-21 | 2012-06-21 | Screen sharing system and dual-view display thereof |
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| CN108172125A (en) * | 2018-01-31 | 2018-06-15 | 京东方科技集团股份有限公司 | A kind of display device, automobile |
| CN111051960A (en) * | 2017-09-07 | 2020-04-21 | 株式会社电装 | Head-up display device and image projection unit |
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Application publication date: 20140115 |