CN102053379A - Stereo image display device - Google Patents
Stereo image display device Download PDFInfo
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- CN102053379A CN102053379A CN 201010541003 CN201010541003A CN102053379A CN 102053379 A CN102053379 A CN 102053379A CN 201010541003 CN201010541003 CN 201010541003 CN 201010541003 A CN201010541003 A CN 201010541003A CN 102053379 A CN102053379 A CN 102053379A
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Abstract
The invention provides a stereo image display device comprising a display panel, a stiffened plate and a spectral structure layer. The stiffened plate is selectively attached to at least one surface of the display panel to enhance the anti-bending and anti-deforming capabilities of the display panel. When the stiffened plate is attached to the display surface of the display panel, the stiffened plate is necessary to have light transmittance, and the rigidity of the stiffened plate is greater than that of the display panel so that the stiffened plate can support the display panel to keep the shape of the display panel and avoid the display panel from being bent after the stiffened plate is attached to the surface of the display panel. The spectral structure layer is arranged corresponding to the display surface, and a gap is clamped between the spectral structure layer and the display panel to form an air layer. The image display device has stabler stereo image output effect.
Description
Technical field
The present invention is about a kind of display device; Particularly, the present invention is about a kind of stereoscopic display device.
Background technology
Along with development of technology, the display technique of stereo-picture comes into one's own gradually.Stereo-picture display technique with present main flow, mainly contain two kinds of displaying principles: one for to show left eye and eye image respectively according to the mistiming on display device, the user then need wear special stereo-picture glasses, by producing the visual effect of stereo-picture with display image synchro switch left eye and right eye eyeglass.The second way is then for necessarily viewing and admiring apart from the interval of inner control display device generation and differentiate between images inequality; In other words, view and admire distance when interior when the user is in, left eye and right eye can be seen the different images that produces separately respectively, to be combined into stereo-picture.
With the above-mentioned second way, owing to need not wear special stereo-picture glasses, comparatively convenient to the user, therefore be subjected to the attention in market gradually.Figure 1 shows that the display device of the above-mentioned second way of tradition use.As shown in Figure 1, display device comprises display panel 10, backlight module 20, over cap 70 and Amici prism sheet 50.Backlight module 20 is arranged at display panel 10 belows, and emits beam and inject in the display panel 10.Display panel 10 is by the light of adjusting from 17 outgoing of display panel 10 display surfaces that turns to of control liquid crystal, to form image.Over cap 70 is arranged on display panel 70 tops, and with display panel 70 air layer 80 at interval; Amici prism sheet 50 then is arranged on over cap 70 outsides, and the prism columns on it is all protruding outwards.Image light from display panel 10 carries out beam split via Amici prism sheet 50, can produce separately different images at the default distance and position of viewing and admiring.When the user position when viewing and admiring distance and position, right and left eyes receives different images at interval respectively, can produce stereoscopic visual effect.
In traditional design shown in Figure 1, over cap 70 and Amici prism sheet 50 all are and system's housing 90 combinations.Therefore in this type of design, the spacing that Amici prism sheet 50 and display panel are 10 also is not easy to keep.In addition because the thickness of display panel 10 is lower and softer, particularly when the size of display panel 10 was big, display panel 10 regular meetings own were with respect to the 50 generation deflections of Amici prism sheet.The spectrophotometric result that the spacing of right because Amici prism sheet 50 and 10 of display panels is directly connected to Amici prism sheet 50 reaches is viewing and admiring the image that distance and position produces, so the deflection of display panel 10 often causes the visual effect of stereo-picture not good.In addition because Amici prism sheet 50 and on prism columns all expose to the open air outside, therefore be subject to the damage of external force.
Summary of the invention
A purpose of the present invention is to provide a kind of stereoscopic display device, has than stable and stereoscopic image output effect.
A purpose of the present invention is to provide a kind of stereoscopic display device, and its beam-splitting structure layer that comprises is had preferable protection.
Stereoscopic display device includes display panel, stiffener and beam-splitting structure layer.Display panel has display surface and bottom surface, and wherein display surface and bottom surface are opposing.Stiffener fits in the surface of display panel, to increase the counter-bending and non-deformability of display panel.The stiffener alternative fits on the display surface of display panel, and this moment, stiffener must have light transmission, and the image light that display surface is produced is penetrated.Stiffener also can fit on the bottom surface of display panel, or is equipped with stiffener on display surface and bottom surface.The rigidity of stiffener is greater than the rigidity of display panel, so stiffener has preferable counter-bending and resistance to deformation intensity with respect to display panel.Fit in the surface of display panel at stiffener after, can support the integral planar of display panel, with the shape of keeping display panel and avoid its bending.
The setting of beam-splitting structure layer corresponds to display surface, and and display panel between accompany a gap, and form an air layer.The image light that display surface produced outwards penetrates via the beam-splitting structure layer again.Be formed with a plurality of lens pillars on the beam-splitting structure layer, carry out beam split with the image light that display surface is produced.Stereoscopic display device includes the transparent protection plate setting in addition and corresponds to display surface; The beam-splitting structure layer then fits in the one side of transparent protection plate towards display surface.
Beneficial effect of the present invention is, because stiffener has preferable counter-bending and resistance to deformation intensity with respect to display panel, fit in the surface of display panel at stiffener after, can support the integral planar of display panel, with the shape of keeping display panel and avoid its bending, thereby image display device is had than stable and stereoscopic image output effect.
Describe the present invention below in conjunction with the drawings and specific embodiments, but not as a limitation of the invention.
Description of drawings
Fig. 1 is the diagrammatic cross-section of conventional stereo image display device;
Fig. 2 is the embodiment diagrammatic cross-section of stereoscopic display device of the present invention;
Fig. 3 is another embodiment diagrammatic cross-section of stereoscopic display device of the present invention;
Fig. 4 is another embodiment diagrammatic cross-section of stereoscopic display device of the present invention;
Fig. 5 is another embodiment diagrammatic cross-section of stereoscopic display device of the present invention;
Fig. 6 is a vertical view embodiment illustrated in fig. 4.
Wherein, Reference numeral
100 display panels
110 upper substrates
130 infrabasal plates
150 liquid crystal layers
170 display surfaces
171 viewing areas
190 bottom surfaces
200 backlight modules
300 stiffeners
400 optics glue-lines
500 beam-splitting structure layers
510 lens pillars
550 gaps
600 distance members
700 transparent protection plates
800 air layers
Embodiment
Below in conjunction with the drawings and specific embodiments technical solution of the present invention being described in detail, further understanding purpose of the present invention, scheme and effect, but is not the restriction as claims protection domain of the present invention.
The invention provides a kind of stereoscopic display device, so that the visual effect of user's solid to be provided.In preferred embodiment, stereoscopic display device is the liquid crystal indicator with backlight module; Yet in different embodiment, stereoscopic display device also can be the display device of emissive type or the display device of environment for use light reflection.
In the embodiment shown in Figure 2, stereoscopic display device includes display panel 100, stiffener 300 and beam-splitting structure layer 500.In the present embodiment, display panel 100 is preferably display panels, is to be combined by upper substrate 110 and infrabasal plate 130.The preferable thin film transistor (TFT) that is formed with on the infrabasal plate 130, and liquid crystal layer 150 clampings are between upper substrate 110 and infrabasal plate 130.Thin film transistor (TFT) can change turning to of liquid crystal respectively according to the different pixels position, to control the brightness on each location of pixels.The colored filter that cooperates different colours on each location of pixels again can send the light of the different brightness of different colours respectively, to be combined into image.In addition, in the present embodiment, display panel 100 is preferable to be cooperated with backlight module 200, and receives the light that backlight module 200 produces; The penetrate amount of light in each pixel then controlled in turning to of liquid crystal layer 150, to control the brightness on each location of pixels.
As shown in Figure 2, display panel 100 has display surface 170 and bottom surface 190; Bottom surface 190 is towards backlight module 200, and display surface 170 is then opposing with bottom surface 190.The light that backlight module 200 produces and under the control of liquid crystal layer 150, forms image on display surface 170 in bottom surface 190 enters display panel 100.Yet in different embodiment, display panel 100 also can be the emissive type panel as Organic Light Emitting Diode panel and so on, and need not be provided with backlight module 200 this moment.
Stiffener 300 is preferably the sheet material of tool light transmission, and its light transmittance is preferably greater than 97%.With material, stiffener 300 is preferable to be made by glass or the higher plastics of rigidity, for example polycarbonate (PC) or polymethylmethacrylate (PMMA) etc.Stiffener 300 fits in the surface of display panel 100, to increase the counter-bending and non-deformability of display panel 100.In the embodiment shown in Figure 2, stiffener 300 fits on the display surface 170 of display panel 100, and this moment, stiffener 300 must have light transmission, and the image light that display surface 170 is produced is penetrated; Yet in different embodiment, as shown in Figure 3, stiffener 300 also can fit on the bottom surface 190 of display panel 100, or is equipped with stiffener 300 on display surface 170 and bottom surface 190.
The rigidity of stiffener 300 is preferably the rigidity greater than display panel 100, so stiffener 300 has preferable counter-bending and resistance to deformation intensity with respect to display panel 100.Preferable its upper substrate that comprises 110 and the integral rigidity of infrabasal plate 130 after combination of being meant of the rigidity of display panel 100.Fit in the surface of display panel 100 at stiffener 300 after, can support the integral planar of display panel 100, with the shape of keeping display panel 100 and avoid its bending.For making stiffener 300 have preferable rigidity, can select the higher material of hardness and rigidity to make stiffener 300.In addition, also can reach the purpose that improves rigidity by the thickness that increases stiffener 300; For example can set the thickness of the thickness of stiffener 300 greater than display panel 100.In addition, for the consideration of optical property and performance, the difference of stiffener 300 and display panel 100 or 110 refractive indexes of its upper substrate is preferably and is limited in the approximate scope.
In preferred embodiment, 100 of stiffener 300 and display panels are provided with optics glue-line 400, so that stiffener 300 fits on the surface of display panel 100.Optics glue-line 400 can be distributed between stiffener 300 and the display panel 100 by coating method; Also can adopt the optics glue-line 400 of sheet in addition, can directly be attached on the display panel 100, again with stiffener 300 combinations.In addition, optics glue-line 400 can be solidified by photocuring, heat curing, drying or alternate manner, to keep the anchorage force of 300 pairs of display panels 100 of stiffener.
As shown in Figure 2, beam-splitting structure layer 500 setting corresponds to display surface 170, and and 100 of display panels accompany a gap 550.The image light that display surface 170 is produced outwards penetrates via beam-splitting structure layer 500 again.Be formed with a plurality of lens pillars 510 on the beam-splitting structure layer 500, carry out beam split with the image light that display surface 170 is produced.Lens pillar 510 is preferably cylinder or cylindroid lens, and protruding in display surface 170; Yet in different embodiment, lens pillar 510 also can be the lens of other form, for example the lens of concavees lens or other section shape of tool.In addition, a plurality of lens pillars 510 are preferably to be parallel to each other and are distributed on the beam-splitting structure layer 500.Lens pillar 510 is preferably with hot pressing mode and is formed on the beam-splitting structure layer 500; Yet in different embodiment, can also printing, mode such as etching, model makes.By the setting of beam-splitting structure layer 500, lens pillar 510 can carry out beam split to the light that display panel 100 each pixel produce, necessarily to view and admire apart from the interval of inner control display device generation and differentiate between images inequality; In other words, view and admire distance when interior when the user is in, left eye and right eye can be seen the different images that produces separately respectively, to be combined into stereo-picture.
In the embodiment shown in fig. 4, stereoscopic display device includes transparent protection plate 700 setting in addition and corresponds to display surface 170, and and 100 of display panels accompany a gap 550.The one side that 500 on beam-splitting structure layer fits in transparent protection plate 700 towards display surface 170, and lens pillar 510 is also protruding in display surface 170.Yet in different embodiment, as shown in Figure 5, lens pillar 510 also can be protruding in transparent protection plate 700.Transparent protection plate 700 is preferable to have the hardness that is higher than beam-splitting structure layer 500, to provide the beam-splitting structure layer 500 structural protection, with the injury of avoiding external force such as scratch to cause.In addition, transparent protection plate 700 also can provide beam-splitting structure layer 500 location and the effect that supports, with the relative position of stabilising light splitting structural sheet 500 with display surface 170.The image light that display surface 170 produces outwards penetrates via transparent protection plate 700 after carrying out beam split through beam-splitting structure layer 500 again.
As Fig. 4 and shown in Figure 5,170 of beam-splitting structure layer 500 and display surfaces accompany air layer 800.In this embodiment, because stiffener 300 fits on the display surface 170, so air layer 800 directly do not contact with display surface 170, but across stiffener 300 and parallel with display surface 170.Air layer 800 and stiffener 300 are preferably the gap 550 that is parallel to each other and fills up 170 of beam-splitting structure layer 500 and display surfaces jointly.In preferred embodiment, stiffener 300 and air layer 800 thickness altogether are long greater than the focal length of lens pillar 510.Because the refractive index of stiffener 300 can be greater than the refractive index of air layer 800, therefore when the gross thickness of stiffener 300 and air layer 800 was grown greater than the focal length of lens pillar 510, the image light that display surface 170 sends can be by lens pillar 510 beam split effectively.Under preferable situation, stiffener 300 and air layer 800 thickness out of the ordinary are long with the focal length that the ratio sum total of refractive index should equate or approach lens pillar 510.
In addition, in preferred embodiment, the thickness ratio of air layer 800 and stiffener 300 is between 0.22 to 0.89.With display panel shown in Figure 5 100, when the cambered surface radius-of-curvature of lens pillar 510 is 3.07mm, when the spacing of each lens pillar 510 was 1.0 to 1.1mm, the thickness of air layer 800 can be 2mm, and stiffener 300 thickness can be 4mm.In addition, under the same conditions, but also the thickness of design air layer 800 is 2.0 to 2.1mm, and stiffener 300 thickness are 3mm.In addition when the cambered surface radius-of-curvature of lens pillar 510 be 2mm and refractive index when being 1.5, be 1.5 as if the refractive index of stiffener 300, then the thickness of air layer 800 can be 2mm, and stiffener thickness can be 3mm.In addition, under the same conditions, but also the thickness of design air layer 800 is 1mm, and stiffener 300 thickness are 4.5mm.If when adopting glass to be the material of stiffener 300, then its thickness is preferably and is not less than 4mm.
In addition, in preferred embodiment, the thickness of air layer 800 in each position should keep identical or close as far as possible.Under preferable situation, the average thickness differences of the thickness of air layer 800 each position and air layer 800 integral body should be controlled in the 0.5mm.By material, rigidity and the thickness of adjusting stiffener 300 or transparent protection plate 700, or modes such as distance member are set, all can effectively control the thickness of air layer 800 at stiffener 300 and 500 on beam-splitting structure layer.
As Fig. 4 and shown in Figure 5, transparent protection plate 700 and beam-splitting structure layer 500 are preferable adopts the design of integrate module formula with display panel 100 and stiffener 300.In this embodiment, stiffener 300 fits in the display surface 170 of display panel 100; Beam-splitting structure layer 500 then fits in the inside surface of transparent protection plate 700.Distance member 600 is arranged between stiffener 300 and the beam-splitting structure layer 500, to connect beam-splitting structure layer 500 and stiffener 300.As shown in Figure 6, have a viewing area 171 on the display surface 170 for display image, and distance member is preferable outside viewing area 171 in the projection on the display surface 170, to reduce the interference that image is formed.By this design; transparent protection plate 700, beam-splitting structure layer 500, display panel 100 and stiffener 300 can be integrated into single module; convenience when assembling to increase, effective simultaneously relative position relation of fixing above-mentioned each inter-module is to improve optical appearance.Preferable rubber, silica gel or other materials of adopting of distance member 600 form, and can be along above-mentioned viewing area 171 distribute to form frame shape structure.Yet in different embodiment, transparent protection plate 700 and beam-splitting structure layer 500 also can directly be incorporated in the system end, for example are connected with assembly such as shell, and this moment is non-adopts the design integrated with display panel 100 and stiffener 300.
Certainly; the present invention also can have other various embodiments; under the situation that does not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art work as can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection domain of the appended claim of the present invention.
Claims (14)
1. a stereoscopic display device is characterized in that, comprises:
One display panel has a relative bottom surface and a display surface;
One stiffener, selectivity are fitted and to be arranged at this bottom surface and this display surface one at least; Wherein, the rigidity of this stiffener is greater than the rigidity of this display panel, and when this stiffener fitted in this display surface, this stiffener had light transmission;
One transparent protection plate is provided with this display surface plate holder one gap, and corresponds to this display surface; And
One beam-splitting structure layer has a plurality of lens pillars, and this beam-splitting structure laminating closes and is arranged at the one side of this transparent protection plate towards this display surface;
Wherein, accompany an air layer between this beam-splitting structure layer and this display surface.
2. stereoscopic display device as claimed in claim 1 is characterized in that, a plurality of lens pillars of this of this beam-splitting structure layer are protruding to be provided with to this display surface.
3. stereoscopic display device as claimed in claim 1 is characterized in that, a plurality of lens pillars of this of this beam-splitting structure layer are protruding to be provided with to this transparent protection plate.
4. stereoscopic display device as claimed in claim 1 is characterized in that, when this stiffener fitted in this display surface, this air layer was between this stiffener and this beam-splitting structure layer; The gross thickness of this stiffener and this air layer is long greater than the focal length of this lens pillar.
5. stereoscopic display device as claimed in claim 4 is characterized in that the thickness ratio of this air layer and this stiffener is between 0.22 to 0.89.
6. stereoscopic display device as claimed in claim 4 is characterized in that, further comprises a distance member, is arranged between this stiffener and this beam-splitting structure layer; Wherein, this display surface has a viewing area, and the projection of this distance member on this display surface is positioned at outside this viewing area.
7. stereoscopic display device as claimed in claim 1 is characterized in that, the difference between each position thickness of this air layer and this air layer average thickness is between 0.5mm.
8. as claim 1 a described stereoscopic display device, it is characterized in that, further comprise an optics glue-line and be arranged between this display panel and this stiffener, and fix relative position between this display panel and this stiffener.
9. a stereoscopic display device is characterized in that, comprises:
One display panel has a relative bottom surface and a display surface;
One stiffener, selectivity are fitted and to be arranged at this bottom surface and this display surface one at least; Wherein, the rigidity of this stiffener is greater than the rigidity of this display panel, and when this stiffener fitted in this display surface, this stiffener had light transmission; And
One beam-splitting structure layer is provided with this display surface plate holder one gap, and corresponds to this display surface; This beam-splitting structure layer has a plurality of lens pillars, and these a plurality of lens pillars are protruding to be provided with to this display surface;
Wherein, accompany an air layer between this beam-splitting structure layer and this display surface.
10. stereoscopic display device as claimed in claim 9 is characterized in that, when this stiffener fitted in this display surface, this air layer was between this stiffener and this beam-splitting structure layer; The gross thickness of this stiffener and this air layer is long greater than the focal length of this lens pillar.
11. stereoscopic display device as claimed in claim 10, wherein the thickness ratio of this air layer and this stiffener is between 0.22 to 0.89.
12. stereoscopic display device as claimed in claim 10 is characterized in that, further comprises a distance member, is arranged between this stiffener and this beam-splitting structure layer; Wherein, this display surface has a viewing area, and the projection of this distance member on this display surface is positioned at outside this viewing area.
13. stereoscopic display device as claimed in claim 9 is characterized in that, the difference between each position thickness of this air layer and this air layer average thickness is between 0.5mm.
14. stereoscopic display device as claimed in claim 9 is characterized in that, further comprises an optics glue-line and is arranged between this display panel and this stiffener, and fix relative position between this display panel and this stiffener.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN 201010541003 CN102053379A (en) | 2010-11-09 | 2010-11-09 | Stereo image display device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010541003 CN102053379A (en) | 2010-11-09 | 2010-11-09 | Stereo image display device |
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| CN102053379A true CN102053379A (en) | 2011-05-11 |
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| CN102436069A (en) * | 2011-12-24 | 2012-05-02 | 福州大学 | Flat naked-eye 3D display lenticular screen and manufacturing method thereof |
| CN104317057A (en) * | 2014-08-18 | 2015-01-28 | 咏巨科技有限公司 | 3D display structure and manufacturing method thereof |
| WO2015024344A1 (en) * | 2013-08-19 | 2015-02-26 | 京东方科技集团股份有限公司 | Grating lens, lenticular grating and display device |
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Application publication date: 20110511 |