CN109859618A - A kind of display panel and display device - Google Patents
A kind of display panel and display device Download PDFInfo
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- CN109859618A CN109859618A CN201910053334.8A CN201910053334A CN109859618A CN 109859618 A CN109859618 A CN 109859618A CN 201910053334 A CN201910053334 A CN 201910053334A CN 109859618 A CN109859618 A CN 109859618A
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- display panel
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- concavees lens
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Abstract
The present invention provides a kind of display panel and display devices, are related to field of display technology, and the black surround phenomenon occurred to improve large scale display panel in display improves display effect.The display panel includes at least two pieces sub- display panels mutually spliced, every piece of sub- display panel includes display unit, the light emission side of the display unit is equipped with concavees lens, and the concavees lens are located at every piece of sub- display panel close to the edge of the adjacent sub- display panel.Above-mentioned display panel shows for realizing picture.
Description
[technical field]
The present invention relates to field of display technology more particularly to a kind of display panel and display devices.
[background technique]
Currently, being needed in the occasions such as the control centre in the fields such as some armies, traffic, public security and stage display background
Use large-scale display screen, be limited by current process conditions, the cost of manufacture of large-sized display panel is higher, difficulty compared with
Greatly.Therefore, preparation large scale display panel is usually to pass through splicing the display panel splicing of multiple small sizes exists at present
Come together realize.But the large-sized display screen formed by above-mentioned splicing is when being shown, at adjacent two pieces
The stitching position of display panel can observe black surround phenomenon, influence display effect.
[summary of the invention]
In view of this, being shown the embodiment of the invention provides a kind of display panel and display device to improve large scale
The black surround phenomenon that panel occurs in display improves the display effect of large scale display panel.
On the one hand, the embodiment of the invention provides a kind of display panel, the display panel includes: at least two pieces and mutually spells
The sub- display panel connect, every piece of sub- display panel includes display unit, and the light emission side of the display unit is equipped with concavees lens,
The concavees lens are located at every piece of sub- display panel close to the edge of the adjacent sub- display panel.
Optionally, the concavees lens include first surface；The center of curvature of the first surface is located at the concavees lens court
To the side of the display unit.
Further, the concavees lens further include the second curved surface, and the first surface and second curved surface are oppositely arranged；
The center of curvature of second curved surface is located at the side that the concavees lens deviate from the display unit.
Optionally, every piece of sub- display panel further includes the adhesive layer and optical film set on the display unit light emission side
Layer, the concavees lens are located at the adhesive layer.
Further, the refractive index of the concavees lens is greater than the refractive index of the adhesive layer.
Further, the material of the concavees lens includes transparent material, and the material of the adhesive layer includes optical cement.
Further, the material of the concavees lens include polyimides, polycarbonate, polymethyl methacrylate, silica gel,
It is any in glass.
Optionally, the optical film layer includes polaroid, the display unit include the anode being stacked, luminescent layer and
Cathode, side of the cathode far from the luminescent layer is the light emission side, and the optical film layer is located at the cathode far from institute
State the side of luminescent layer.
On the other hand, the embodiment of the invention provides a kind of display device, the display device includes above-mentioned display surface
Plate.
Display panel provided in an embodiment of the present invention and display device, by least two pieces of sub- display panels will mutually splice
Display panel is formed, also, the embodiment of the present invention is arranged by the light emission side for the display unit for including in every piece of sub- display panel
Concavees lens, and every piece of sub- display panel is arranged in close to the edge of adjacent sub- display panel, in this way from display unit in concavees lens
The light of outgoing is scattered around can change the direction of propagation after concavees lens, the light covering after scattering it is adjacent two pieces mutually
Gap between the sub- display panel of splicing, so as to visually eliminate black surround phenomenon.Therefore, the embodiment of the present invention provides
Display panel, can use existing splicing process, between adjacent two pieces of sub- display panels physics splicing gap deposits
In case, the black surround occurred at the physics splicing gap between adjacent two pieces of sub- display panels is visually eliminated, quite
In the seamless connection that can be realized adjacent two pieces of sub- display panels, improve be spliced to form by least two pieces of sub- display panels it is big
The display effect of size display panel.
[Detailed description of the invention]
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for this field
For those of ordinary skill, without creative efforts, it can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is a kind of floor map of large scale display panel in the prior art；
Fig. 2 is schematic cross-section of the Fig. 1 along AA '；
Fig. 3 is a kind of schematic cross-section of display panel provided by the embodiment of the present invention；
Fig. 4 is the enlarged diagram of the dotted rectangle in Fig. 3；
Fig. 5 is the schematic cross-section of another display panel provided in an embodiment of the present invention；
Fig. 6 is the enlarged diagram of rectangular broken line frame in Fig. 5；
Fig. 7 is a kind of schematic diagram of display device provided by the embodiment of the present invention.
[specific embodiment]
For a better understanding of the technical solution of the present invention, being retouched in detail to the embodiment of the present invention with reference to the accompanying drawing
It states.
It will be appreciated that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts it is all its
Its embodiment, shall fall within the protection scope of the present invention.
The term used in embodiments of the present invention is only to be not intended to be limiting merely for for the purpose of describing particular embodiments
The present invention.In the embodiment of the present invention and the "an" of singular used in the attached claims, " described " and "the"
It is also intended to including most forms, unless the context clearly indicates other meaning.
It should be appreciated that term "and/or" used herein is only a kind of incidence relation for describing affiliated partner, indicate
There may be three kinds of relationships, for example, A and/or B, can indicate: individualism A, exist simultaneously A and B, individualism B these three
Situation.In addition, character "/" herein, typicallys represent the relationship that forward-backward correlation object is a kind of "or".
It will be appreciated that though curved surface may be described in embodiments of the present invention using term first, second etc., but these
Curved surface should not necessarily be limited by these terms.These terms are only used to for curved surface being distinguished from each other out.For example, not departing from the embodiment of the present invention
In the case where range, first surface can also be referred to as the second curved surface, and similarly, the second curved surface can also be referred to as the first song
Face.
As depicted in figs. 1 and 2, Fig. 1 is a kind of floor map of large scale display panel in the prior art, Fig. 2 Fig. 1
Along the schematic cross-section of AA '.Wherein, which is spliced by muti-piece small size display panel 1 ', due to spelling
The limitation of technique is connect, can not accomplish to be seamlessly connected between adjacent two pieces of small size display panels 1 ', there is gap therebetween
2'.Therefore, when the large scale display panel is shown, at the position 2 ' between adjacent two pieces of small size display panels 1 '
It can observe that black surround phenomenon exists, influence display effect.
In view of this, the embodiment of the invention provides a kind of display panels, as shown in figure 3, Fig. 3 mentions for the embodiment of the present invention
The schematic cross-section of a kind of display panel supplied, wherein the display panel includes at least two pieces sub- display panels mutually spliced
10, every piece of sub- display panel 10 includes display unit 101, and the light emission side of display unit 101 is equipped with concavees lens 102, the concavees lens
102 are located at every piece of sub- display panel 10 close to the edge of adjacent sub- display panel 10.
Specifically, light passes through as shown in figure 3, display unit 101 emits beam when the display panel is shown
Change the direction of propagation after concavees lens 102 to dissipate around, the light after diverging covers between adjacent two pieces of sub- display panels 10
Physics splices gap 20, that is to say, that concavees lens 102 can scatter the light that display unit 101 issues to two neighboring sub- display
Gap 20 between panel.In this way, being equivalent to and also having from adjacent two in the picture that the eye-observation display panel is shown
The light of the position at gap 20 between block display panel 10 enters human eye.
By the description of the above-mentioned course of work to display panel it is found that the embodiment of the present invention passes through in every piece of sub- display surface
Concavees lens 102 are arranged close to the edge of adjacent sub- display panel 10 in plate 10, are passing through in this way from the light that display unit 101 is emitted
Change the direction of propagation after concavees lens 102 to scatter around, the light after scattering covers the adjacent two pieces sub- display surfaces mutually spliced
Gap 20 between plate 10, in this way, being equivalent to and also having from adjacent two in the picture that the eye-observation display panel is shown
The light of the position at gap 20 between block display panel 10 enters human eye.Therefore, use is provided in an embodiment of the present invention
Display panel can visually disappear in the presence of the physics between adjacent two pieces sub- display panels 10 splices gap
Except the black surround phenomenon occurred at the physics splicing gap between adjacent two pieces sub- display panels 10, it is equivalent to and can be realized adjacent two
Block display panel 10 it is seamless spliced, make human eye visually perceive less than splicing gap presence, improve display effect.
Also, as shown in figure 3, display panel provided in an embodiment of the present invention, by being arranged concavees lens 102 in every piece of son
Display panel 10 is eliminating the splicing gap between adjacent two pieces of sub- display panels 10 close to the edge of adjacent sub- display panel 10
Visibility while, also can be avoided influence the display panel in separate splicing gap 20 at display unit 101 just
Often shine.
Illustratively, as shown in figure 4, Fig. 4 is the enlarged diagram of the dotted rectangle in Fig. 3.Wherein, concavees lens 102
Including first surface 1021, the center of curvature of first surface 1021 is located at concavees lens 102 towards the side of display unit 101, with
Make along diagram direction x, concavees lens 102 form the structure of intermediate thin both sides thickness, thus make to be incident to the light of concavees lens 102 to
Surrounding diverging improves display effect to cover the splicing gap between adjacent two pieces of sub- display panels 10.
Optionally, as shown in Figure 5 and Figure 6, Fig. 5 is the schematic diagram of another display panel provided in an embodiment of the present invention,
Fig. 6 is the enlarged diagram of rectangular broken line frame in Fig. 5.Wherein, concavees lens 102 further include the second curved surface 1022, first surface
1021 and second curved surface 1022 be oppositely arranged；The center of curvature of second curved surface 1022 is located at concavees lens 102 away from display unit 101
Side, equally the light for being incident to concavees lens 102 can be made to dissipate around, covered between adjacent two pieces of sub- display panels 10
Splicing gap, improve display effect.
Illustratively, with continued reference to Fig. 3, above-mentioned every piece of sub- display panel 10 further includes being set to 101 light emission side of display unit
Adhesive layer 103 and optical film layer 104, above-mentioned concavees lens 102 are located at adhesive layer 103.The embodiment of the present invention is by by concavees lens
102 are set in adhesive layer 103, keep concavees lens 102 single as a part connection optical film layer 104 of adhesive layer 103 and display
Member 101, avoids and impacts to the functional film layer in display panel.Also, the embodiment of the present invention is so set, make recessed
Mirror 102 can be wrapped up by adhesive layer 103, ensure that positional stability of the concavees lens 102 in display panel.It should be understood that
It is that the thickness of each film layer is only to illustrate in diagram, does not represent actual thicknesses of layers relationship.
Optionally, the refractive index of the material of above-mentioned production concavees lens 102 is greater than the refractive index of adhesive layer 103, in this way, aobvious
In the communication process for showing the light that unit 101 issues, when light is from 103 directive concavees lens 102 of adhesive layer, light is dredged from light to be situated between
Matter is propagated to optically denser medium, be can be avoided light and is totally reflected in adhesive layer 103 and the interface of concavees lens 102, and then keeps away
Light losing phenomenon caused by exempting from by total reflection, ensure that the intensity of emergent light.
Optionally, above-mentioned adhesive layer 103 can be optical cement (Optically Clear Adhesive, abbreviation OCA), recessed
Lens 102 can select transparent material to make.Specifically, the material of concavees lens 102 can select polyimides, polycarbonate
(PC), any one of polymethyl methacrylate (PMMA), silica gel, glass.Wherein, the refractive index of OCA 1.4-1.5 it
Between, the refractive index of polyimides is 1.7.
Illustratively, above-mentioned optical film layer 104 can be polaroid.The display panel can be organic light emitting display face
Plate, at this point, as shown in figure 3, above-mentioned display unit 101 is including anode 1011, cathode 1013 and is located at anode 1011 and cathode
Luminescent layer 1012 between 1013.Side of the cathode 1013 far from luminescent layer 1012 is light emission side, and polaroid is located at cathode 1013
Side far from luminescent layer 1012.Wherein, since cathode is generally made of metal material, cause to be shown in the display panel
When, it can be reflected after being irradiated on cathode 1013 due to ambient light, the light being reflected back is incident to after human eye and display unit 101
The light of sending mixes, and influences the contrast for showing picture.Therefore, the embodiment of the present invention passes through in 101 light emission side of display unit
Side polaroid, in this way, when external ambient light is in directive display panel, direction of vibration and polarisation after polaroid are set
The light that the polarization direction of piece is different can be filtered, and then this component environment light again passes by after the reflection of cathode 1013
Polaroid can be filtered by second, and intensity reduces again, so as to improve the contrast of picture shown by display panel,
The picture for showing display panel is more clear.
Optionally, when making the display panel, the lesser sub- display panel 10 of muti-piece size can be prepared first.It completes
After the production of sub- display panel 10, the sub- display panel 10 of muti-piece can be placed in specific frame and be spliced to form larger size
Display panel.Specifically, the mold that can first pass through selection respective shapes prepares concavees lens when preparing sub- display panel 10
102, then concavees lens 102 are put into particular mold, and bonding layer material is spread by process conditions such as high temperature meltings
It states in particular mold, condenses bonding layer material to form the adhesive layer including concavees lens 102 by techniques such as coolings.
The embodiment of the present invention also provides a kind of display device, as shown in fig. 7, Fig. 7 is display provided in an embodiment of the present invention
The schematic diagram of device, the display device further include above-mentioned display panel 100.Wherein, the specific structure of display panel 100 has been
It is described in detail in the above-described embodiments, details are not described herein again.
Display device provided in an embodiment of the present invention passes through the close of every piece of sub- display panel 10 in composition display panel
Concavees lens 102 are arranged in the edge of adjacent sub- display panel 10, and the light being emitted in this way from display unit 101 is passing through concavees lens
Change the direction of propagation after 102 to scatter around, the light after scattering cover sub- display panel 10 that adjacent two pieces mutually splice it
Between gap 20, thus, in the picture that the eye-observation display panel is shown, be equivalent to also have it is aobvious from adjacent two pieces of sons
Show that the light of the position at the gap 20 between panel 10 enters human eye.Therefore, using display surface provided in an embodiment of the present invention
Plate can visually be eliminated adjacent in the presence of the physics between adjacent two pieces sub- display panels 10 splices gap
The black surround phenomenon occurred at physics splicing gap between two pieces of sub- display panels 10, is equivalent to that can be realized adjacent two pieces of sons aobvious
Show the seamless spliced of panel 10, so that human eye is visually perceived the presence less than splicing gap, improve display effect.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent substitution, improvement and etc. done be should be included within the scope of the present invention.
Claims (9)
1. a kind of display panel, which is characterized in that the display panel includes: at least two pieces sub- display panels mutually spliced,
Every piece of sub- display panel includes display unit, and the light emission side of the display unit is equipped with concavees lens, and the concavees lens are located at
Every piece of sub- display panel is close to the edge of the adjacent sub- display panel.
2. display panel according to claim 1, which is characterized in that the concavees lens include first surface；Described first
The center of curvature of curved surface is located at the concavees lens towards the side of the display unit.
3. display panel according to claim 2, which is characterized in that the concavees lens further include the second curved surface, and described
One curved surface and second curved surface are oppositely arranged；
The center of curvature of second curved surface is located at the side that the concavees lens deviate from the display unit.
4. display panel according to claim 1, which is characterized in that every piece of sub- display panel further includes set on described
The adhesive layer and optical film layer of display unit light emission side, the concavees lens are located at the adhesive layer.
5. display panel according to claim 4, which is characterized in that the refractive index of the concavees lens is greater than the adhesive layer
Refractive index.
6. display panel according to claim 5, which is characterized in that the material of the concavees lens includes transparent material, institute
The material for stating adhesive layer includes optical cement.
7. display panel according to claim 6, which is characterized in that the material of the concavees lens includes polyimides, gathers
It is carbonic ester, polymethyl methacrylate, silica gel, any in glass.
8. display panel according to claim 4, which is characterized in that the optical film layer includes polaroid, the display
Unit includes the anode, luminescent layer and cathode being stacked, and side of the cathode far from the luminescent layer is the light emission side,
The polaroid is located at side of the cathode far from the luminescent layer.
9. a kind of display device, which is characterized in that the display device includes such as the described in any item display surfaces of claim 1-8
Plate.
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| CN201910053334.8A CN109859618B (en) | 2019-01-21 | 2019-01-21 | Display panel and display device |
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| CN201910053334.8A CN109859618B (en) | 2019-01-21 | 2019-01-21 | Display panel and display device |
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| CN109859618B CN109859618B (en) | 2021-11-23 |
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Cited By (4)
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| CN110519494A (en) * | 2019-08-23 | 2019-11-29 | 维沃移动通信（杭州）有限公司 | Optics module and electronic equipment |
| CN110634417A (en) * | 2019-10-29 | 2019-12-31 | 云谷（固安）科技有限公司 | Display module and display device |
| CN111048000A (en) * | 2019-12-26 | 2020-04-21 | 深圳市华星光电半导体显示技术有限公司 | Splicing display panel and splicing display device |
| WO2022205854A1 (en) * | 2021-03-31 | 2022-10-06 | 京东方科技集团股份有限公司 | Display module, display device, mold, and glue injecting machine |
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