CN205720908U - 3 d display device - Google Patents
3 d display device Download PDFInfo
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- CN205720908U CN205720908U CN201620211429.XU CN201620211429U CN205720908U CN 205720908 U CN205720908 U CN 205720908U CN 201620211429 U CN201620211429 U CN 201620211429U CN 205720908 U CN205720908 U CN 205720908U
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Abstract
This utility model provides a kind of 3 d display device.Described 3 d display device includes slit grating and backlight module, described slit grating is located at the light emission side of described backlight module, described slit grating includes multiple spaced blocked area and transparent area, described blocked area includes reflective material layer and the reflection enhancing coating layer set with described reflectorized material stacking, and described reflection enhancing coating layer is arranged near described backlight module.Compared to prior art, blocked area is set to reflective material layer and the reflection enhancing coating layer set with reflectorized material stacking by the 3 d display device that this utility model provides, in particular, provide reflection enhancing coating layer, can farthest reflect the light of blocked area, thus will the luminous reflectance of blocked area to backlight module re-use, add the brightness of transparent area, thus in the case of the power not increasing backlight module, improve the brightness of 3 d display device, improve user's perception and experience.
Description
Technical field
This utility model relates to stereo display technique field, particularly to a kind of 3 d display device.
Background technology
Currently, 3 d display device is the most increasingly known from, and the pattern of stereo display is mainly wrapped
Include glasses three-dimensional pattern and bore hole three-dimensional pattern.The display device of glasses three-dimensional pattern needs to wear spy
Different glasses, left eyeglass lens and right eye eyeglass respectively allow for the line polarisation in different polarization direction and pass through,
Thus the image that the line polarisation that image is different polarization direction watched of left eye and right eye is formed, greatly
Left-eye image and eye image are carried out integration and present stereo-picture by brain.Owing to people are at viewing glasses
Needing to wear special eyeglasses during the image of stereo display, otherwise image will thicken so that institute
The range of application stating glasses three-dimensional receives limitation.Therefore, the display device of bore hole three-dimensional pattern is subject to
To liking of more and more people.
At present, liquid crystal slit grating technology, as the one of bore hole three-dimensional pattern, is used for multiple aobvious
Show apparatus field.Compared with other bore hole three-dimensional patterns, liquid crystal slit grating advantage is notable, compares
In cylindrical lens technology, liquid crystal slit grating can realize the image switching between two-dimensional/three-dimensional；Phase
Compared with liquid crystal lens technology, liquid crystal slit grating can obtain less crossfire value.
But liquid crystal slit grating technology there is also deficiency, the stereo display dress of available liquid crystal slit grating
Put the structure when 3-dimensional image output state the most as depicted in figs. 1 and 2.Described stereo display
Device includes showing module 2 and being located at the slit grating 1 of described display module 2 light emission side.
Described slit grating 1 be blocked area and transparent area alternately arranged, the screening of described slit grating 1
A part of light can be blocked in gear district, and too much light losing can cause described display module 2 brightness to drop
Low, when tridimensional model, the brightness of described display module 2 only has less than the 45% of two-dimensional model,
Even block and too strong be likely to result in obvious moire fringes, affect visual experience.
In view of this, it is provided that one reduces light losing as far as possible, the solid improving display brightness shows
Showing device is the most necessary.
Utility model content
Low for existing 3 d display device display brightness, light losing is big and moire fringes is obvious
Technical problem, this utility model provides a kind of 3 d display device.
This utility model provides a kind of 3 d display device, including slit grating and backlight module,
Described slit grating is located at the light emission side of described backlight module, and described slit grating includes multiple interval
Arrange blocked area and transparent area, described blocked area include reflective material layer and with described reflective material
The bed of material folds the reflection enhancing coating layer set, and described reflection enhancing coating layer is arranged near described backlight module.
In a preferred embodiment of the 3 d display device of this utility model offer, described increasing is reflected
Film layer is all dielectric reflective coating of multilayer laminated setting.
In a preferred embodiment of the 3 d display device of this utility model offer, described increasing is reflected
The refractive index of film layer is between 1.1～2.7.
In a preferred embodiment of the 3 d display device of this utility model offer, described increasing is reflected
Film layer includes high-refractive-index transparent film layer and the low-refraction transparent film layer that multilamellar is arranged alternately.
In a preferred embodiment of the 3 d display device of this utility model offer, described high refraction
Rate transparent film layer is ZnS film layer, ZnO film layer or TiO2Any one in film layer.
In a preferred embodiment of the 3 d display device of this utility model offer, described low refraction
Rate transparent film layer is CaF2Film layer, MgF2Film layer or BaF2Any one in film layer.
In a preferred embodiment of the 3 d display device of this utility model offer, described reflective material
The bed of material is metal film layer or alloy firm layer.
In a preferred embodiment of the 3 d display device of this utility model offer, each described screening
The gap of one or more printing opacity it is provided with in gear district.
In a preferred embodiment of the 3 d display device of this utility model offer, each described screening
Gap width sum in gear district is not more than the 10% of the width of described blocked area.
In a preferred embodiment of the 3 d display device of this utility model offer, adjacent is described
The pitch that width sum is described slit grating of transparent area and described blocked area, described transparent area
The ratio of the pitch of width and described slit grating is between 20%～40%.
Compared to prior art, the 3 d display device that this utility model provides, have following useful
Effect:
One, this utility model provide 3 d display device blocked area is set to reflective material layer with
And with the reflection enhancing coating layer that reflectorized material stacking sets, in particular, provide reflection enhancing coating layer, it is possible to
The light of the reflection blocked area of big degree, thus by the luminous reflectance of blocked area to backlight module again
Utilize, add the brightness of transparent area, thus carry in the case of the power not increasing backlight module
The brightness of high 3 d display device；
Two, all dielectric reflective coating that reflection enhancing coating layer is multilayer laminated setting that the present invention provides,
Reflectance can be effectively improved further, the light being blocked is used, reduce intensity loss,
The service life of backlight module can be extended, and then improve the life-span of 3 d display device and save
The energy；
Three, this utility model avoids the formation of moire fringes by arranging gap in blocked area, changes
The viewing experience of kind client.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme in this utility model embodiment, below will be to enforcement
In example description, the required accompanying drawing used is briefly described, it should be apparent that, in describing below
Accompanying drawing is only embodiments more of the present utility model, for those of ordinary skill in the art,
On the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings,
Wherein:
Fig. 1 is a kind of embodiment of the 3 d display device 3-dimensional image output state of prior art
Structural representation；
Fig. 2 is the another kind of embodiment of the 3 d display device 3-dimensional image output state of prior art
Structural representation；
Fig. 3 is the structural representation of the 3 d display device embodiment one that this utility model provides；
Fig. 4 is the structural representation of a kind of embodiment of slit grating of 3 d display device shown in Fig. 3
Figure；
Fig. 5 is the structural representation of the slit grating another kind embodiment of 3 d display device shown in Fig. 3
Figure；
Fig. 6 is the structural representation of the 3 d display device embodiment two that this utility model provides.
Detailed description of the invention
In order to make this utility model be solved the technical problem that, technical scheme and beneficial effect more clear
Chu Mingbai, below in conjunction with drawings and Examples, is further elaborated to this utility model.
Should be appreciated that specific embodiment described herein, and need not only in order to explain this utility model
In limiting this utility model.
Embodiment one
Refer to Fig. 3, be that the structure of the 3 d display device embodiment one that this utility model provides is shown
It is intended to.Described 3 d display device 100 includes display 11, slit grating 12 and backlight module
13.Described slit grating 12 is located at the surface of described display 11 light emission side, described backlight module
13 are located at described display 11 dorsal part, described backlight module 13 illuminate described display 11 and then
Affect the 3D display effect of described display 11.
Described slit grating 12 is located at the surface of described display 11 light emission side.Described slit grating
12 include blocked area 121 and transparent area 122, and described slit grating 12 is by transparent glass
Reflection-type shading material is set on substrate, thus forms described blocked area 121 and described transparent area
122.Described blocked area 121 and the spaced setting of described transparent area 122.Described blocked area 121
Number be multiple, and the width of multiple described blocked area 121 is identical.Same, described printing opacity
The width in district 122 is the most identical.
The described blocked area 121 of the multiple spaced setting of described slit grating 12 and described
Light district 122 forms " parallax barrier ".Described " parallax barrier " has to be refined and cuts into strip
Layer, it can allow the eyes of user receive left eye and the right eye of two group images, i.e. user
Accept a group image respectively, form 3-D view to produce parallax.Utilize described " parallax barrier
Wall ", eyes of observer can only see string through a slit of described slit grating 12
Pixel.Such as, if left eye can only see odd column pixel, right eye can only see even column pixel；Or
Person's left eye can only see even column pixel, and right eye can only see odd column pixel.Finally, enter left eye and
The image of right eye is through the fusion of people's brain, thus realizes user and perceive stereo-picture.
Described blocked area 121 include reflective material layer 1211 and with described reflective material layer 1211
The folded reflection enhancing coating layer 1212 set, described reflection enhancing coating layer 1212 sets near described backlight module 13
Put, be positioned at the dorsal part of described reflective material layer 1211.
Described reflective material layer 1211 can be metal film layer or alloy firm layer.
Described reflection enhancing coating layer 1212 is all dielectric reflective coating of multilayer laminated setting.Described increasing
The refractive index of reflective coating 1212 is between 1.1～2.7.
Described reflection enhancing coating layer 1212 includes high-refractive-index transparent film layer that multilamellar is arranged alternately and low
Refractive index transparent film layer.In the present embodiment, the outermost layer of described reflection enhancing coating layer 1212 is
High-refractive-index transparent film layer, the thickness of each film layer is quarter-wave.
Described high-refractive-index transparent film layer is ZnS film layer, ZnO film layer or TiO2Appointing in film layer
Meaning one.Described low-refraction transparent film layer is CaF2Film layer, MgF2Film layer or BaF2In film layer
Any one.In order to obtain the reflection of visible ray all band light, each film can be designed according to demand
Layer.
The light that described display 11 sends can be reflected, especially by described blocked area 121
Described reflection enhancing coating layer 1212, it is possible to farthest reflect the light of described blocked area 121, instead
It is incident upon in described backlight module 13 and is re-used, thus increase the utilization rate of light, do not increasing
The brightness of described 3 d display device 100 is improved in the case of adding the brightness of described backlight module 13.
Refer to Fig. 4, be the knot of a kind of embodiment of slit grating of 3 d display device shown in Fig. 3
Structure schematic diagram.Internal being also formed with in described blocked area 121 can be with the gap 1213, Mei Gesuo of printing opacity
In stating blocked area 121, described gap 1213 can be provided with one or more.Described gap 1213
Direction is identical with the bearing of trend of described blocked area 121 striped, adjacent described gap 1213 it
Between distance all differ, the width in described gap 1213 can be different.
Specifically, each described blocked area 121 is respectively provided with a gap 1213, described gap 1213
Width can be different.Wherein, the adjacent spacing between described gap 1213 differs.Example
As, if the spacing set between adjacent described gap 1213 is respectively a, b and c, then a,
The numerical value of b and c is different.Certainly, it is not limited to the present embodiment, in other alternate embodiments
In, the adjacent spacing between described gap 1213 can also part identical.
Refer to Fig. 5, be the slit grating another kind embodiment of 3 d display device shown in Fig. 3
Structural representation.In the present embodiment, the gap 1213 of each described blocked area 121 can set
Being equipped with a plurality of, the width in described a plurality of gap 1213 can be different.With the enforcement shown in Fig. 4
Example is identical, and the adjacent distance between described gap 1213 all differs, and described gap 1213
Width can differ.The width sum in the gap 1213 of each described blocked area 121 is little
In the width of described blocked area 121 10%.
Described blocked area 121 is located in described gap 1213 brokenly can alleviate Morie fringe.
Specifically, described blocked area 121 alternates with described transparent area 122, and described blocked area
The width of 121 is identical, and the width of described transparent area 122 is identical, the most described blocked area 121
Block and can make to interfere phenomenon through the light of described transparent area 122 thus produce Morie fringe.And
In the 3 d display device that this utility model provides, described blocked area 121 is reflectorized material.Institute
State blocked area 21 and reflect the light that described display 11 sends, and light is reflexed to described backlight
Module 13.Under identical power, the light intensity through the light of described transparent area 122 increases, logical
Cross the described gap 1213 of described the gap 1213 and different in width that different spacing is set, permissible
Avoid described 3 d display device 100 to form the interference fringe of regularity, alleviate to a great extent
Morie fringe, thus strengthen appreciation effect largely.
Described transparent area 122 is the part that transparent glass substrate is not blocked by described blocked area 121.
Described transparent area 122 is in strip and the number of described transparent area 122 is multiple, the plurality of
Light district 122 and described blocked area 121 alternate setting.
The aperture opening ratio of described slit grating 12 refers to the width summation of described transparent area 122 and accounts for institute
State the percentage ratio of the width of slit grating 12.Specifically, due to each described blocked area 121
Width is the most identical, and the width of each described transparent area 122 is identical, therefore by described blocked area 121
Width be defined as m, the width of described transparent area 122 is defined as n.If by described slit
The pitch of grating 12 is defined as p, and the pitch of described slit grating 12 is transparent area 122 He
The width sum of one blocked area being adjacent 121, is formulated i.e. p=m+n.Described open
Mouth rate k represents, the most described aperture opening ratio k=n/p.The value of described aperture opening ratio k is between 20%-40%
Between, it is preferable that the value of described aperture opening ratio k is between 20%-30%.
Embodiment two
Refer to Fig. 6, be that the structure of the 3 d display device embodiment two that this utility model provides is shown
It is intended to.3 d display device 200 in embodiment two includes display 21, slit grating 22 and
Backlight module 23.Described with embodiment one of described 3 d display device 200 in embodiment two
Differring primarily in that of 3 d display device 100: slit grating 12 sets described in embodiment one
In the surface of described display 11 light emission side, but in embodiment two, described slit grating 22
It is located between described display 21 and described backlight module 23.
Described slit grating 22 includes that blocked area 221 and transparent area 222, described blocked area 221 wrap
Include reflective material layer 2211 and fold, with described reflective material layer 2211, the reflection enhancing coating layer set
2212.The structure of described blocked area 221 and described transparent area 222 all with in described embodiment one
Situation is identical, repeats no more here.
In the present embodiment, the light that described backlight module 23 is sent by described blocked area 221 is carried out
Reflection, described reflection enhancing coating layer 2212 is strengthened reflectance further, is reflected light back into described backlight
Module 23 proceeds utilize.Light that described backlight module 23 sends and through described screening
The light of gear district 221 reflection is jointly through described transparent area 222.Same, described embodiment two
The described 3 d display device 200 provided can be in the case of not increasing described backlight module 23
Improve the brightness of described 3 d display device 200.
The described 3 d display device that this utility model provides, has the advantages that
One, described blocked area is set to described by the described 3 d display device that this utility model provides
Reflective material layer and described reflection enhancing coating layer, in particular, provide described reflection enhancing coating layer, it is possible to
The light reflecting described blocked area of big degree, thus by the luminous reflectance of described blocked area to the described back of the body
Light module re-uses, adds the brightness of described transparent area, thus do not increasing described backlight
The brightness of described 3 d display device is improved in the case of the power of module；
Two, all dielectric reflectance coating that described reflection enhancing coating layer is multilayer laminated setting that the present invention provides
Layer, it is possible to be effectively improved reflectance further, used by the light being blocked, reduces brightness
Loss, can extend the service life of described backlight module, and then improve described 3 d display device
Life-span and save the energy；
Three, this utility model avoids moire fringes by arranging described gap in described blocked area
Formed, improve the viewing experience of client.
The foregoing is only embodiment of the present utility model, not thereby limit of the present utility model specially
Profit scope, every equivalent structure utilizing this utility model description to be made or equivalence flow process become
Change, or be directly or indirectly used in other relevant technical field, be the most in like manner included in this practicality new
In the scope of patent protection of type.
Claims (10)
1. a 3 d display device, including slit grating and backlight module, described slit grating
Being located at the light emission side of described backlight module, described slit grating includes multiple spaced blocked area
And transparent area, it is characterised in that described blocked area include reflective material layer and with described reflective material
The bed of material folds the reflection enhancing coating layer set, and described reflection enhancing coating layer is arranged near described backlight module.
3 d display device the most according to claim 1, it is characterised in that described increasing is anti-
Penetrate all dielectric reflective coating that film layer is multilayer laminated setting.
3 d display device the most according to claim 2, it is characterised in that described increasing is anti-
Penetrate the refractive index of film layer between 1.1～2.7.
3 d display device the most according to claim 3, it is characterised in that described increasing is anti-
Penetrate high-refractive-index transparent film layer and low-refraction transparent film layer that film layer includes that multilamellar is arranged alternately.
3 d display device the most according to claim 4, it is characterised in that described high folding
The rate transparent film layer of penetrating is ZnS film layer, ZnO film layer or TiO2Any one in film layer.
3 d display device the most according to claim 4, it is characterised in that described low folding
The rate transparent film layer of penetrating is CaF2Film layer, MgF2Film layer or BaF2Any one in film layer.
3 d display device the most according to claim 1, it is characterised in that described reflective
Material layer is metal film layer or alloy firm layer.
3 d display device the most according to claim 1, it is characterised in that each described
The gap of one or more printing opacity it is provided with in blocked area.
3 d display device the most according to claim 8, it is characterised in that each described
The width sum in the gap in blocked area is not more than the 10% of the width of described blocked area.
3 d display device the most according to claim 1, it is characterised in that adjacent institute
State the pitch that width sum is described slit grating of transparent area and described blocked area, described transparent area
Width and the ratio of pitch of described slit grating between 20%～40%.
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| CN201620211429.XU CN205720908U (en) | 2016-03-18 | 2016-03-18 | 3 d display device |
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|---|---|---|---|
| CN201620211429.XU CN205720908U (en) | 2016-03-18 | 2016-03-18 | 3 d display device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018103229A1 (en) * | 2016-12-05 | 2018-06-14 | 广东未来科技有限公司 | Glass cover plate, glass cover plate manufacturing method, and 3d display apparatus |
| WO2018196176A1 (en) * | 2017-04-25 | 2018-11-01 | 武汉华星光电技术有限公司 | Naked-eye stereoscopic display grating and manufacturing method, and display device |
| US10459239B2 (en) | 2017-04-25 | 2019-10-29 | Wuhan China Star Optoelectronics Technology Co., Ltd | Naked-eye stereoscopic display grating, manufacturing method and display device |
| CN112684610A (en) * | 2021-03-11 | 2021-04-20 | 成都工业学院 | Slit grating 3D display with high optical efficiency |
| TWI783683B (en) * | 2021-09-15 | 2022-11-11 | 友達光電股份有限公司 | Display device |
-
2016
- 2016-03-18 CN CN201620211429.XU patent/CN205720908U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018103229A1 (en) * | 2016-12-05 | 2018-06-14 | 广东未来科技有限公司 | Glass cover plate, glass cover plate manufacturing method, and 3d display apparatus |
| WO2018196176A1 (en) * | 2017-04-25 | 2018-11-01 | 武汉华星光电技术有限公司 | Naked-eye stereoscopic display grating and manufacturing method, and display device |
| US10459239B2 (en) | 2017-04-25 | 2019-10-29 | Wuhan China Star Optoelectronics Technology Co., Ltd | Naked-eye stereoscopic display grating, manufacturing method and display device |
| CN112684610A (en) * | 2021-03-11 | 2021-04-20 | 成都工业学院 | Slit grating 3D display with high optical efficiency |
| CN112684610B (en) * | 2021-03-11 | 2021-06-18 | 成都工业学院 | Slit grating 3D display with high optical efficiency |
| TWI783683B (en) * | 2021-09-15 | 2022-11-11 | 友達光電股份有限公司 | Display device |
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Address after: Room 306311, 3 / F, block D, building 4, Shenzhen software industry base, Nanshan District, Shenzhen City, Guangdong Province Patentee after: He Shu Address before: 518054, A, block 3310, Tianli Central Business Plaza, three Hyde Road, 199, Guangdong, Nanshan District, Shenzhen Patentee before: He Shu |