CN108333827A - A kind of display device for realizing that black surround phenomenon is eliminated in splicing - Google Patents
A kind of display device for realizing that black surround phenomenon is eliminated in splicing Download PDFInfo
- Publication number
- CN108333827A CN108333827A CN201810021922.9A CN201810021922A CN108333827A CN 108333827 A CN108333827 A CN 108333827A CN 201810021922 A CN201810021922 A CN 201810021922A CN 108333827 A CN108333827 A CN 108333827A
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- Prior art keywords
- lens
- display module
- black
- viewing area
- splicing
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Classifications
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133526—Lenses, e.g. microlenses or Fresnel lenses
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
Abstract
The present invention provides a kind of display device for realizing that black surround phenomenon is eliminated in splicing, including display module, display module include viewing area and black rim area；The lens being set to above viewing area and black rim area；And the first optical adhesive layer for being set between display module and lens and display module and lens being bonded together；Wherein, the first optical adhesive layer is equipped with certain thickness so that the partial pixel image magnification in viewing area can be laid in display above the overall region of black rim area by lens, visually to eliminate black rim area.Implement the present invention, the black surround phenomenon occurred after splicing between different LCD can be eliminated, improves visual impact.
Description
Technical field
The present invention relates to technical field of liquid crystal display more particularly to a kind of display dresses for realizing that black surround phenomenon is eliminated in splicing
It sets.
Background technology
Liquid crystal display is the display equipment of current mainstream, but is limited by product configurations principle, and surrounding can have one
The frame of black, the main circuit by the frame glue of encapsulated liquid crystals and for inputting source signal or grid signal of the black surround frame
It is formed.Certainly, further include structure frame thickness when being finally assembling to display module.With the raising of technology, liquid crystal display
Black surround frame can be gradually reduced, and reach 5mm even smallers, but can not completely eliminate.Especially in Rimless design, high score
Resolution designs under equal-specification requirement, and black surround frame size reduction difficulty is also very big.
Since liquid crystal display has high-resolution, it is widely used in the splicing of the large screens such as market displaying, monitoring
Field.However, in the splicing of large screen, because of black surround frame existing for liquid crystal display itself so that different liquid crystal displays
It unavoidably will appear black surround phenomenon after splicing between device, it is very big to visual impact.
Invention content
Technical problem to be solved of the embodiment of the present invention is, provides and a kind of realizing that black surround phenomenon is eliminated aobvious in splicing
Showing device can eliminate the black surround phenomenon occurred after splicing between different LCD, improve visual impact.
In order to solve the above-mentioned technical problem, realizing that black surround phenomenon is eliminated aobvious in splicing an embodiment of the present invention provides a kind of
Showing device, including：
Display module, the display module include viewing area and black rim area；
The lens being set to above the viewing area and the black rim area；And
For being set between the display module and the lens and the display module and the lens being bonded together
One optical adhesive layer；
Wherein, first optical adhesive layer is equipped with certain thickness so that the lens can be by the part in the viewing area
Pixel image amplification is laid in display above the overall region of the black rim area, visually to eliminate the black rim area.
Wherein, the viewing area is divided into using the joint perpendicular with the optical axis of the lens as boundary close to described
Second sub- viewing area of the first sub- viewing area of black rim area side and the separate black rim area side；
Wherein, all pixels image magnification in the described first sub- viewing area can be laid in the first son display by the lens
Display above the overall region that area and the black rim area are formed.
Wherein, all pixels image magnification in the described first sub- viewing area can be laid in first son by the lens
The width for the overall region that viewing area and the black rim area are formed is shown by 1 times of original overlying regions for being extended to 2 times.
Wherein, the thickness of first optical adhesive layer is by the focal length of the lens, the width of the black rim area and institute
The width for stating the first sub- viewing area determines.
Wherein, the lens use simple lens structure；Wherein,
Exit facet of the lens far from the display module is set as convex surface or parallel with the surface of the display module
Plane；
The lens are set as convex surface towards the display module and the plane of incidence that is bonded together with the display module.
Wherein, the lens use simple lens structure；Wherein,
Exit facet of the lens far from the display module is set as the plane parallel with the surface of the display module；
The lens are set as towards the display module and the plane of incidence that is bonded together with the display module by being located at
It states the cambered surface above the first sub- viewing area and the black rim area and is located above the described second sub- viewing area and the cambered surface
It is connected and the plane parallel with the surface of the display module forms.
Wherein, the lens use cemented doublet structure；Wherein,
The lens are located at the top of the described first sub- viewing area and the black rim area；
Exit facet of the lens far from the display module is set as the plane parallel with the surface of the display module；
The lens are set as cambered surface towards the display module and the plane of incidence that is bonded together with the display module.
Wherein, further include：The transparent cover plate being covered in above the described second sub- viewing area；Wherein,
Described second sub- viewing area and the lens are pasted together by the transparent cover plate respectively by the second optical adhesive layer.
Wherein, the thickness of the transparent cover plate is equal with the thickness of the lens, and the transparent cover plate and the lens
After being pasted together, end face of the transparent cover plate far from the display module side is with the lens far from the display module
Exit facet flush.
Wherein, the material that the transparent cover plate uses is polymetylmethacrylate or polycarbonate high temperature resistant type
Optical plastic or glass.
The embodiment of the present invention has the advantages that：The present invention can pass through the amplification of lens in single display device
The partial pixel image magnification of the viewing area of display module is laid in display above the overall region of black rim area, used by function
Visually to eliminate black rim area, to meet eliminate different LCD between splice after the black surround phenomenon that occurs want
It asks, improves visual impact.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention, for those of ordinary skill in the art, without having to pay creative labor, according to
These attached drawings obtain other attached drawings and still fall within scope of the invention.
Fig. 1 is the part section knot for the display device that black surround phenomenon is eliminated in the realization splicing that the embodiment of the present invention one provides
Structure schematic diagram；
Fig. 2 is the imaging schematic diagram of lens in Fig. 1；
Fig. 3 is two spliced part section structural representations of display device in Fig. 1；
Fig. 4 is that the part section structure for the display device that black surround phenomenon is eliminated in realization splicing provided by Embodiment 2 of the present invention is shown
It is intended to.
Specific implementation mode
To make the object, technical solutions and advantages of the present invention clearer, the present invention is made into one below in conjunction with attached drawing
Step ground detailed description.
As shown in Figure 1, for a kind of display dress that realizing that black surround phenomenon is eliminated in splicing in the embodiment of the present invention one, provided
It sets, which specifically includes：
Display module 1, the display module 1 include viewing area 11 and black rim area 12；
It is set to the lens 2 of 12 top of viewing area 11 and black rim area；And
The first optical adhesive layer 3 for being set between display module 1 and lens 2 and display module 1 and lens 2 being bonded together；
Wherein, the first optical adhesive layer 3 is equipped with certain thickness so that lens 2 can be by the partial pixel image in viewing area 11
Amplification is laid in display above the overall region of black rim area 12, visually to eliminate the black rim area 12.
It is understood that passing through the enlarging function of lens 2, it is only necessary to which the amplification factor of lens 2 enables to viewing area 11
In pixel image there is part amplification to be filled in above the overall region of black rim area 12, to pass through lens 2 toward display
All it is pixel image above the overall region of black rim area 12, so that it may visually eliminate black rim area 12 when module 1 is watched
Black surround phenomenon.
According to known lens image-forming principle, when single object is positioned in the focal length of lens（In Fig. 2, x<F, x be lens and object it
Between distance, F is the focal length of lens）, it can be seen that the virtual image of upright amplification.At this point, enlargement ratio V meets V=F/x=H2/H1, focal length F
（f）Calculation formula equation group is as follows：
（1）
（2）,
（3）
Formula（1）-（3）In, nLFor the index of refraction in lens, n is object space refractive index, n/For image space refractive index, r1For lens object space curvature half
Diameter, r2For lens image space radius of curvature.
Therefore, fixed in enlargement ratio, amplify demand to meet object, should just adjust object distance x, at this time
According to enlargement ratio V=F/x=H2/H1, it can be deduced that after the size of object distance x should be by the original width H1 of object, image objects
The focal length F of width H2 and lens（f）To determine.
In the embodiment of the present invention one, object is display module 1, and lens are lens 2, and shape between display module 1 and lens 2
At object distance x be to be obtained by the thickness for the first optical adhesive layer 3 being arranged between display module 1 and lens 2.In order to reduce the first light
It learns glue-line 3 to have an impact the enlargement ratio of lens 2, the first optical layer 3 has using compared to lens 2 compared with low-refraction glue
Material.
In the embodiment of the present invention one, display is distinguished in some position of viewing area 11 by the optical axis setting of lens 2
Pixel image needs to amplify the region of display in area 11（That is the corresponding regions object original width H1 in Fig. 2）.At this point, this is aobvious
Show area 11 using the joint perpendicular with the optical axis of lens 2 as boundary, the first son being divided into close to 12 side of black rim area is aobvious
Show area 111（As pixel image needs to amplify the region of display）With far from 12 side of black rim area the second sub- viewing area 112,
As long as all pixels image magnification in the first sub- viewing area 111 can be laid in the first sub- viewing area 111 and black surround frame by lens 2
Display above the overall region that area 12 is formed, so that it may visually eliminate the black surround phenomenon of black rim area 12.
It can be seen that the thickness of the first optical adhesive layer 3 is by the focal length of lens 2, the width L2 and first of black rim area 12
The width L1 of sub- viewing area 111 is determined.Wherein, the width L1 of the first sub- viewing area 111 is equal to the original width of the object in Fig. 2
H1, the width L1 of the first sub- viewing areas 111 width L2+ of black rim area 12 are equal to the width H2 after the image objects in Fig. 2.This
When, enlargement ratio。
Certainly, the black surround phenomenon that single display device eliminates black rim area 12 be not it is very perfect, often visually
Remain to see the black surround phenomenon of piece position, while in big view, visually the black surround phenomenon of piece position is in amplification
Effect, it is therefore necessary to improve the enlargement ratio of lens 2 so that lens 2 can be by all pixels figure in the first sub- viewing area 111
As amplification is laid in the width for the overall region that the first sub- viewing area 111 and black rim area 12 are formed by 1 times of original expansion
It shows to 2 times of overlying regions, is used in the first sub- viewing area 111 as long as meeting two neighboring display device in splicing
Identical pixel image, signal or content.Certainly, the width in the region of the amplification of lens 2 tiling can also be in the first son
The width for the overall region that viewing area 111 and black rim area 12 are formed is by between original 1 times to 2 times.
In one embodiment, as shown in figure 3, two display devices are spliced, enlargement ratio,
It is 2 times that i.e. width, which expands, and pixel image of the display module 1 shown by the first sub- viewing area 111 is set in two display devices at this time
It is set to identical, is seen by lens 2 above splicing regions after two 1 near zones of display module show image magnification
Overlapping image.So as to be effectively ensured within the scope of sizable view, the image that splicing regions are observed is all identical.
In the embodiment of the present invention one, lens 2 use simple lens structure, can be planoconvex spotlight, biconvex lens or other
Structure.In one embodiment, exit facet 21 of the lens 2 far from display module 1 is set as convex surface；Lens 2 are towards display module 1
And the plane of incidence 22 being bonded together with display module 1 is set as convex surface.
In another embodiment, exit facet 21 of the lens 2 far from display module 1 is set as the surface with display module 1
Parallel plane；Lens 2 are set as convex surface towards display module 1 and the plane of incidence 22 that is bonded together with display module 1.
In yet another embodiment, exit facet 21 of the lens 2 far from display module 1 is set as the surface with display module 1
Parallel plane；Lens 2 are set as towards display module 1 and the plane of incidence 22 that is bonded together with display module 1 by being located at
The cambered surface of first sub- viewing area 111 and the top of black rim area 12 and it is connected simultaneously with cambered surface positioned at 112 top of the second sub- viewing area
The plane composition parallel with the surface of display module 1.
As shown in figure 4, for a kind of display dress that realizing that black surround phenomenon is eliminated in splicing in the embodiment of the present invention two, provided
It sets, which specifically includes：
Display module 1, the display module 1 include viewing area 11 and black rim area 12；
It is set to the lens 2 of 12 top of viewing area 11 and black rim area；And
The first optical adhesive layer 3 for being set between display module 1 and lens 2 and display module 1 and lens 2 being bonded together；
Wherein, the first optical adhesive layer 3 is equipped with certain thickness so that lens 2 can be by the partial pixel image in viewing area 11
Amplification is laid in display above the overall region of black rim area 12, visually to eliminate the black rim area 12.
It is understood that passing through the enlarging function of lens 2, it is only necessary to which the amplification factor of lens 2 enables to viewing area 11
In pixel image there is part amplification to be filled in above the overall region of black rim area 12, to pass through lens 2 toward display
All it is pixel image above the overall region of black rim area 12, so that it may visually eliminate black rim area 12 when module 1 is watched
Black surround phenomenon.
First sub- viewing area 111 in thickness requirement and viewing area 1 for lens imaging principle, the first optical adhesive layer 3
The contents such as the black surround phenomenon elimination of division and imaging mode, black rim area 12 with the second sub- viewing area 112, with present invention reality
Apply the first sub- viewing area 111 and the second son in lens imaging principle in example one, the thickness of the first optical adhesive layer 3 and viewing area 1
The division of viewing area 112 and imaging mode, black rim area 12 black surround phenomenon the contents all same such as eliminate, specifically please refer to this
Related content in inventive embodiments one, this is no longer going to repeat them.
2 structure of lens being different from the embodiment of the present invention one, 2 structure of lens in the embodiment of the present invention two are mainly examined
Consider simple lens structure used by lens 2 in the embodiment of the present invention one to tend to cause because of aberration in amplification process
Image deformation so that there are larger differences with actual demand for display result, therefore the lens 2 in the embodiment of the present invention two are using double
Balsaming lens structure using two panels there is the eyeglass gluing of different aberration facts to form, can effectively reduce in imaging process
Aberration Problem.
In the embodiment of the present invention two, which uses cemented doublet structure, and positioned at the first sub- viewing area 111 and
The top of black rim area 12；Exit facet 21 of the lens 2 far from display module 1 is set as parallel with the surface of display module 1
Plane；Lens 2 are set as cambered surface towards display module 1 and the plane of incidence 22 that is bonded together with display module 1.
Due to the design using cemented doublet structure so that 2 size of lens can not cover in entire display module 1, because
This needs to cover the second sub- viewing area 112, therefore the display device further includes：It is covered in 112 top of the second sub- viewing area
Transparent cover plate 4；Wherein, the second sub- viewing area 112 and lens 2 are pasted onto by transparent cover plate 4 respectively by the second optical adhesive layer 5
Together.It should be noted that in order to ensure good light transmissibility, the material that transparent cover plate 4 uses is polymethylacrylic acid
Methyl esters PMMA or polycarbonate high temperature resistant type optical plastic or glass
In order to still have planarization in 1 outermost layer of display module, therefore the thickness of transparent cover plate 4 is equal with the thickness of lens 2,
And after transparent cover plate 4 is pasted together with lens 2, end face of the transparent cover plate 4 far from 1 side of display module is with lens 2 far from aobvious
Show 21 flush of exit facet of module 1.
The embodiment of the present invention has the advantages that：The present invention can pass through the amplification of lens in single display device
The partial pixel image magnification of the viewing area of display module is laid in display above the overall region of black rim area, used by function
Visually to eliminate black rim area, to meet eliminate different LCD between splice after the black surround phenomenon that occurs want
It asks, improves visual impact.
It is above disclosed to be only a preferred embodiment of the present invention, the power of the present invention cannot be limited with this certainly
Sharp range, therefore equivalent changes made in accordance with the claims of the present invention, are still within the scope of the present invention.
Claims (10)
1. a kind of display device for realizing that black surround phenomenon is eliminated in splicing, which is characterized in that including：
Display module（1）, the display module（1）Including viewing area（11）With black rim area（12）；
It is set to the viewing area（11）And the black rim area（12）The lens of top（2）；And
It is set to the display module（1）With the lens（2）Between and by the display module（1）With the lens（2）It is viscous
The first optical adhesive layer being combined（3）；
Wherein, first optical adhesive layer（3）Equipped with certain thickness so that the lens（2）It can be by the viewing area
（11）In partial pixel image magnification be laid in the black rim area（12）Overall region above display, visually to disappear
Except the black rim area（12）.
2. the display device as described in claim 1 for realizing that black surround phenomenon is eliminated in splicing, which is characterized in that the viewing area
（11）With with the lens（2）The perpendicular joint of optical axis be boundary, be divided into close to the black rim area（12）Side
The first sub- viewing area（111）With the separate black rim area（12）Second sub- viewing area of side（112）；
Wherein, the lens（2）It can be by the described first sub- viewing area（111）In all pixels image magnification be laid in described
One sub- viewing area（111）And the black rim area（12）Display above the overall region formed.
3. the display device as claimed in claim 2 for realizing that black surround phenomenon is eliminated in splicing, which is characterized in that the lens
（2）It can be by the described first sub- viewing area（111）In all pixels image magnification be laid in the described first sub- viewing area（111）And
The black rim area（12）The width of the overall region formed is shown by 1 times of original overlying regions for being extended to 2 times.
4. the display device as claimed in claim 3 for realizing that black surround phenomenon is eliminated in splicing, which is characterized in that first light
Learn glue-line（3）Thickness by the lens（2）Focal length, the black rim area（12）Width and the first sub- viewing area
（111）Width determine.
5. the display device as claimed in claim 4 for realizing that black surround phenomenon is eliminated in splicing, which is characterized in that the lens
（2）Using simple lens structure；Wherein,
The lens（2）Far from the display module（1）Exit facet（21）Be set as convex surface or with the display module（1）'s
The parallel plane in surface；
The lens（2）Towards the display module（1）And with the display module（1）The plane of incidence being bonded together（22）If
It is set to convex surface.
6. the display device as claimed in claim 4 for realizing that black surround phenomenon is eliminated in splicing, which is characterized in that the lens
（2）Using simple lens structure；Wherein,
The lens（2）Far from the display module（1）Exit facet（21）It is set as and the display module（1）Surface phase
Parallel plane；
The lens（2）Towards the display module（1）And with the display module（1）The plane of incidence being bonded together（22）If
It is set to by being located at the described first sub- viewing area（111）And the black rim area（12）The cambered surface of top and positioned at it is described second son
Viewing area（112）Top be connected with the cambered surface and with the display module（1）Surface it is parallel plane composition.
7. the display device as claimed in claim 4 for realizing that black surround phenomenon is eliminated in splicing, which is characterized in that the lens
（2）Using cemented doublet structure；Wherein,
The lens（2）Positioned at the described first sub- viewing area（111）And the black rim area（12）Top；
The lens（2）Far from the display module（1）Exit facet（21）It is set as and the display module（1）Surface phase
Parallel plane；
The lens（2）Towards the display module（1）And with the display module（1）The plane of incidence being bonded together（22）If
It is set to cambered surface.
8. the display device as claimed in claim 7 for realizing that black surround phenomenon is eliminated in splicing, which is characterized in that further include：It covers
It is placed on the described second sub- viewing area（112）The transparent cover plate of top（4）；Wherein,
The transparent cover plate（4）Pass through the second optical adhesive layer（5）Respectively by the described second sub- viewing area（112）And the lens
（2）It is pasted together.
9. the display device as claimed in claim 8 for realizing that black surround phenomenon is eliminated in splicing, which is characterized in that the transparency cover
Plate（4）Thickness and the lens（2）Thickness it is equal, and the transparent cover plate（4）With the lens（2）It is pasted together
Afterwards, the transparent cover plate（4）Far from the display module（1）The end face of side and the lens（2）Far from the display module
（1）Exit facet（21）Flush.
10. the display device as claimed in claim 9 for realizing that black surround phenomenon is eliminated in splicing, which is characterized in that described transparent
Cover board（4）The material used is polymetylmethacrylate or polycarbonate high temperature resistant type optical plastic or glass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201810021922.9A CN108333827A (en) | 2018-01-10 | 2018-01-10 | A kind of display device for realizing that black surround phenomenon is eliminated in splicing |
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| CN201810021922.9A CN108333827A (en) | 2018-01-10 | 2018-01-10 | A kind of display device for realizing that black surround phenomenon is eliminated in splicing |
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| CN109410773A (en) * | 2018-11-05 | 2019-03-01 | 惠州市华星光电技术有限公司 | A kind of mosaic screen |
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| CN102879940A (en) * | 2011-07-13 | 2013-01-16 | 株式会社日本显示器西 | Display, method of manufacturing the display, and electronic unit |
| CN104076506A (en) * | 2013-03-28 | 2014-10-01 | 京东方科技集团股份有限公司 | Display method and display device |
| WO2015133488A1 (en) * | 2014-03-04 | 2015-09-11 | 株式会社オルタステクノロジー | Video display device |
| CN203732842U (en) * | 2014-03-05 | 2014-07-23 | 京东方科技集团股份有限公司 | Splicing display panel and display device |
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| CN107024773A (en) * | 2017-06-02 | 2017-08-08 | 北京耐德佳显示技术有限公司 | A kind of light and thin type virtual image forming device |
| CN107238956A (en) * | 2017-07-24 | 2017-10-10 | 张家港康得新光电材料有限公司 | The detection method of the changeable display modules of bore hole 3D |
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| CN109410773A (en) * | 2018-11-05 | 2019-03-01 | 惠州市华星光电技术有限公司 | A kind of mosaic screen |
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Application publication date: 20180727 |