CN100483182C

CN100483182C - Free stereo image display method

Info

Publication number: CN100483182C
Application number: CNB2006100138820A
Authority: CN
Inventors: 李昌
Original assignee: Hongkong Chuangtu Development Co ltd
Current assignee: Carry On Science And Technology Beijing Co ltd
Priority date: 2006-05-29
Filing date: 2006-05-29
Publication date: 2009-04-29
Anticipated expiration: 2026-05-29
Also published as: CN101029969A

Abstract

The present invention relates to a practical method for making and displaying free stereo image by utilizing flat panel display with specific parameter and grating with specific parameter matched with it. The method is characterized in that: the flat panel display has a horizontal resolution of 1280 pixels, a vertical resolution of 1024 pixels, a visible dimension of 376.32 mm horizontally and 301.056 mm vertically, a pixel dimension of 0.294 mm horizontally and 0.294 mm vertically, a period (LPI) of the grating between 33.55 and 33.65 per inch, a ratio of a width of a transparent stripe of the grating to a width of an opaque stripe of the grating is less than 1/8, the grating has an angle between 15.10 degrees and 15.30 degrees in a direction of the stripes and a vertical direction of the flat panel display, the grating is disposed at a front end of the flat panel display but at a distance of 2 mm from a display screen of the flat panel display, and the size of the grating is larger than the visible dimension of the flat panel display, 395 mm horizontally and 320 mm vertically.

Description

A kind of freely stereopicture display process

Technical field of the present invention belongs to free 3 D display technology.Freedom tridimensional imaging technique is along with the development of high resolution flat display technique more and more is subject to people's attention, the technology and the means of various demonstration free stereo images occur one after another, as utilize cylindrieal lens plate on flat-panel monitor, to show free stereo image, utilize grating on flat-panel monitor, to show free stereo image.But at the flat-panel monitor of determining parameter, how to make that the design of cylindrieal lens plate and grating is more accurate, make it to present more perfect three-dimensional image effect, utilize which kind of manufacture craft, make it to have more practicality, become the developing important techniques problem of freedom tridimensional imaging technique.

The present invention proposes a kind of freely stereopicture display process that utilizes the grating of particular design at the flat-panel monitor realization auto-stereoscopic imaging of special parameter.

Below in conjunction with accompanying drawing content of the present invention is described further.

Fig. 1 is LCD or the plasma display with special parameter.Its resolution is 1280 pixels of level, vertically is 1024 pixels, and each pixel is of a size of 0.294 millimeter of level, vertical 0.294 millimeter.Dot structure is that horizontal direction is that RGB is arranged, and every row has only three RGB sub-pixels, and the height of each sub-pixel is 0.294 millimeter.The horizontal width of each sub-pixel is 0.098 millimeter, and three sub-pixels constitute a pixel, and horizontal width is 0.294 millimeter.Visual 376.32 millimeters of the levels that are of a size of of this flat-panel monitor, vertical 301.056 millimeters.

The flat-panel monitor of this special parameter of the expression of 1 among Fig. 1, it can be a plasma display, also can be LCD.The 2nd, represent the pixel in this flat-panel monitor, because pixel is a lot, in order to express easily, that here each pixel is all drawn is very big, and actual pixels is very little, and naked eyes almost be can't see.The 3rd, show that must there be 1280 fixing pixels in the horizontal direction in this flat-panel monitor, 4 show that must there be 1024 pixels in vertical direction in this flat-panel monitor.Each pixel constitutes red, green, blue by sub-pixel and constitutes, and the height of 5 expression red, green, blue pixels is 0.294 millimeter, and the overall width of 6 expression red, green, blue pixels under horizontally is 0.294 millimeter, and the distance between them is divided equally.

Fig. 2 is the grating that is placed on above-mentioned flat-panel monitor the place ahead.This grating is made of transparent stripe and opaque striped.The width of transparent stripe and the width of opaque striped are than less than 1/8, and these stripeds are parallel to each other fully, and there is angle in the direction of striped with the vertical direction of flat-panel monitor pixel, and this angle is 15.10 to spend between 15.30 degree, and the best is 15.20 degree.The cycle of striped (LPI) is between the per inch 33.55 to 33.65, and optimal period is 33.600.The cycle of striped is along with the perpendicular direction calculating of stripe direction.

Among Fig. 2 10 represents grating, and the height of 11 these gratings of expression is 320 millimeters, and the width of 12 these gratings of expression is 395 millimeters.The opaque striped of 18 expressions is black.19 expression transparent stripes are white.The line that 20 expressions parallel with pixel level direction in the flat-panel monitor, the line that 16 expressions parallel with pixel vertical direction in the flat-panel monitor, 13 expression grating orientations are with the angle that exists between 16, and this angle is 15.10 to spend between 15.30 degree, and the best is 15.20 degree.17 expressions are with the perpendicular line of grating parallel direction, it is 90 degree with the angle 11 of grating, the width of 15 expression transparent stripes, the width of the opaque striped of 14 expressions, their ratio is less than 1:8, direction along 17, the cycle of striped (LPI) is between the per inch 33.55 to 33.65, optimal period is 33.60.

In order to obtain best stereo-picture sharpness, eliminate in vertical direction melt the picture error, transparent stripe should be tried one's best smoothly, the resolution realization that this can be when improving preparing grating.

Fig. 3 shows the method for making of this grating.Grating can two kinds be realized by photomechanical method: the first is at first made raster film, with its stack pile be then between 1 millimeter to 2 millimeters optical glass by the ultra-violet curing clear binder bonding, to the gas between film and the glass be got rid of fully by chilling press when bonding, be placed on irradiation under the intensive ultraviolet then, make the bonding agent finish-drying.Another kind method is that directly photoresists to be coated on thickness be on the optical glass between 1 millimeter to 2 millimeters, according to above-mentioned grating parameter, directly at this exposure image on glass, to form grating.

But the size of this grating is greater than the apparent size of flat-panel monitor, and horizontal direction is 395 millimeters, and vertical direction is 320 millimeters.The one side facing to the flat-panel monitor display image that raster film is arranged in the grating, or will an one side facing to the flat-panel monitor display image of photoresists be arranged in the grating.Grating is 2 millimeters with the distance of flat-panel monitor.

The grating that 22 expressions complete according to the optical property parameter of above-mentioned grating with film, require this film smooth, transparent part has extraordinary transmitance, and opaque part will have good blocking ability to light, and the thickness of film is between 0.1 millimeter to 0.3 millimeter.23 expression optical glass, thickness is between 1 millimeter to 2 millimeters.The 24th, the ultra-violet curing clear binder, it is coated on glass equably, be bonded on 23 22, and put into the nip roll 24 of chilling press, they rotate according to 25 direction, so just the air between film 22 and the glass 23 can be got rid of totally, again this grating is placed on irradiation drying under the strong ultraviolet light.

Fig. 4 illustrates grating is how to be placed on the flat-panel monitor.Grating has two-layer, and wherein one deck is the film grating layer, or the light-sensitive surface grating layer, and another layer is a glassy layer.To have the one side of film grating layer to aim at flat panel monitor, and maintenance keeps 2 mm distance with the monitor video picture, this distance is by being installed in packing ring realization on the flat-panel monitor edge.Packing ring is with fixing by powerful double-sided adhesive between the flat-panel monitor, and packing ring is fixed with the also logical not dried double faced adhesive tape of brute force between the grating.Last packing ring is fixedly securing with flat-panel monitor by steady arm, with the vibration effect that produces in avoiding transporting grating concern with the position between the flat-panel monitor.

The 29th, the fuselage of flat-panel monitor, and 27 are display screens of this flat-panel monitor.The 28th, thickness 30 is 2 millimeters packing ring, and this gasket rings is around this flat-panel monitor.The 23rd, original screen panel, the one side 22 that film or light-sensitive surface are wherein arranged is towards display screen 27.The 23rd, the glass of grating, it is towards spectators.23 one side is coated with anti-reflection film, to alleviate the bare headed transmitance of coming extraneous reflective and lifting grating.

Fig. 5 is how the free stereo image that explanation shows on above-mentioned free stereo image display generates.Since 32,,, they can be processed as a three-dimensional frame by image process method up to 39 being 8 three-dimensional sequences figure with different parallaxes.Utilize grating 10 as the light sieve, respectively these 8 stereographic map sequences are sifted out.At first, obtain 40,, continue sieve 33, obtain 41, grating along the horizontal direction of the grating distance of a transparent stripe of displacement again, is continued sieve 34 then with the distance of grating along a transparent stripe of horizontal direction displacement of grating with grating 10 sieve Figure 32, to 42.Last secondary Figure 47 with this three-dimensional frame sifts out like this.The figure that sifts out is superimposed together forms a free stereo image frame 48, and this two field picture is put into flat-panel monitor demonstrations of getting on, and just can see stereo-picture through grating.Certainly, here said light sieve, be a kind of image processing method: utilize grating 10 to make the light sieve and remove to handle image, just mean the place to this grating transparent stripe with a secondary figure, the permission image passes through, and, just do not allow image to pass through facing to the opaque place of grating, be equivalent to image has been done a filtering according to the optical texture of grating.Everything can be finished by simple image processing software, as utilizes Photoshop software to finish.Show that if want the free stereo of realizing dynamic image it is just passable only different sequence motion free stereo images need to be handled the sequence free stereo image frame that is associated.

Below embodiment is described.

One of embodiment can make auto-stereoscopic display with ViewSonic VA912 liquid crystal display.This monitor resolution is level 1280 pixels, vertical 1024 pixels.The wide 0.294mm of pixel, the high 0.294mm of pixel.Visual horizontal 376.32mm, the vertical 301.056mm of being of a size of.The middle to specifications designated parameters of grating parameter then can obtain desirable free stereo image.

Two of embodiment can utilize Japanese ViewSonic VG910S LCD to make auto-stereoscopic display.This monitor resolution is level 1280 pixels, vertical 1024 pixels.The wide 0.294mm of pixel, the high 0.294mm of pixel.Visual horizontal 376.32mm, the vertical 301.056mm of being of a size of.The middle to specifications designated parameters of grating parameter can obtain desirable free stereo image equally.

Three of embodiment, can utilize the strange beautiful M190E3-L0219 of the producing cun liquid crystal display in Taiwan to install driving circuit additional after, implement foregoing invention.Because the parameter of this liquid crystal display is: level 1280 pixels, vertical 1024 pixels.The wide 0.294mm of pixel, the high 0.294mm of pixel.Visual horizontal 376.32mm, the vertical 301.056mm of being of a size of.

Claims

1. method of utilizing the preparing grating of the flat-panel monitor of special parameter and supporting with it special parameter and showing free stereo image, the feature of this method is: the horizontal resolution of this flat-panel monitor is 1280 pixels, vertical resolution is 1024 pixels, visual 376.32 millimeters of the levels that are of a size of, vertically be 301.056 millimeters, Pixel Dimensions is 0.294 millimeter of a level, vertical 0.294 millimeter, the cycle of grating is between per inch 33.55 to 33.65, the width of grating transparent stripe and the width of opaque striped ratio are less than 1/8, grating has an angle at stripe direction with the vertical direction of flat-panel monitor, this angle is between 15.10 degree and 15.30 degree, grating is placed on the front end of flat-panel monitor, but the display screen apart from flat-panel monitor has 2 mm distance, but the size of grating is 395 millimeters of levels, vertical 320 millimeters greater than the apparent size of flat-panel monitor;

The image that on described flat-panel monitor, shows, be to utilize described grating to sieve as light, to be no less than stereo-picture that 8 width of cloth have the sequence parallax respectively and sift out that stack again forms, described raster order is handled the sequence stereo-picture, and grating obtains a three-dimensional sequences figure along the distance of a transparent stripe of the every displacement of the horizontal direction of grating, with the three-dimensional sequences figure stack of sifting out, form free stereo image, this image is put into flat-panel monitor demonstrations of getting on, can see stereo-picture through grating.

2. according to the making of claim 1 and the method for demonstration free stereo image, it is characterized in that: grating is to be bonded in thickness on the optical glass 1 millimeter to 2 millimeters by raster film by the ultraviolet curing translucent adhesive, and the one side that is stained with raster film is aimed at the display screen of flat-panel monitor.

3. according to the making of claim 1 and the method for demonstration free stereo image, it is characterized in that: grating is to be formed after the exposure imaging photographic fixing by the optical glass that is coated with photoresists, and it has a display screen facing to flat-panel monitor of light-sensitive surface.

4. according to the making of claim 1 and the method for demonstration free stereo image, it is characterized in that: grating is to be bonded on the packing ring of 2 millimeters of distance display screens by powerful double faced adhesive tape, and packing ring is to be bonded on the housing of display screen of flat-panel monitor by powerful double faced adhesive tape.

5. according to the making of claim 2 and the method for demonstration free stereo image, it is characterized in that: the bonding between raster film and the optical glass is bonding and through the roll row deacration of colding pressing by the ultraviolet curing translucent adhesive, after the strong ultraviolet radiation drying.