CN106707605A - Display panel and display equipment comprising same - Google Patents
Display panel and display equipment comprising same Download PDFInfo
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- CN106707605A CN106707605A CN201710116556.0A CN201710116556A CN106707605A CN 106707605 A CN106707605 A CN 106707605A CN 201710116556 A CN201710116556 A CN 201710116556A CN 106707605 A CN106707605 A CN 106707605A
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- layer
- display panel
- substrate
- refractive
- dispersive
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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
- G02F1/133509—Filters, e.g. light shielding masks
- G02F1/133512—Light shielding layers, e.g. black matrix
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Liquid Crystal (AREA)
Abstract
The invention provides a display panel and display equipment comprising the same. The display panel comprises a first substrate and a second substrate, a liquid crystal layer, a dispersion layer and a low refractive layer, wherein the first substrate and the second substrate are arranged in opposite; the liquid crystal layer is arranged between the first substrate and the second substrate; the dispersion layer which is formed by a conductor material is arranged on one side, far from the liquid crystal layer, of the first substrate; and the low refractive layer is arranged on one side, far from the first substrate, of the dispersion layer. By arranging the dispersion layer and the low refractive layer at the same time, an effect of a shielding layer can be effectively exerted, the antireflection and low reflective color cast effect of a broadband can be achieved, the surface reflectivity of the display panel is effectively reduced, the contrast is increased, and the visual effect of the display panel is enhanced.
Description
Technical field
The present invention relates to display technology field, specifically, being related to display panel and the display device containing it.
Background technology
IPS, ADS display pattern display panel compare TN pattern display panels, and in display visible angle, color rendition is accurate
Exactness, picture dynamic definition etc. have a clear superiority, thus are widely applied in high-end display field.But IPS, ADS
Display pattern technical need, the TN patterns that compare need to increase the ITO shield layer of one layer of 30nm or so at color membrane substrates (CF) back side,
Used as Electro-static Driven Comb and outer signals screen layer, the structural representation of existing display panel is shown in Fig. 1.By the use of ITO as screen layer,
Surface reflectivity of being arranged in pairs or groups on glass due to ITO materials is higher and there is reflection colour cast, be increased as screen layer by the use of ITO
Display panel reflectivity, reduces contrast, and reflected colour local derviation blackening state sub-screen color is partially blue, influences visual effect.
Thus, current display panel correlation technique still has much room for improvement.
The content of the invention
It is contemplated that at least solving one of technical problem in correlation technique to a certain extent.
The present invention be based on inventor following discovery and understanding and complete：
Inventor has found that the ITO of traditional 30nm or so is used as screen layer, it is seen that optical band one side reflectivity can by research
Up to 9.2% or so (wave band 400nm-700nm), reflectivity is higher, and the bluish-green optical band of reflectivity (400nm-500nm) change compared with
Height, reflection colour cast is larger, chromatic value (a*=0.4, b*=-8.7) influence display panel visual effect.Inventor is by further
Research finds, the material with dispersion characteristics is combined with low refractive material and is capable of achieving wide band antireflective with low reflection colour cast effect
Really, panel surface reflectivity can be effectively reduced as liquid crystal display (LCD) screen layer, increases contrast, and eliminate
Traditional ITO shield layer reflected light colour cast phenomenon, lifts display panel optical effect.Therefore, it is an object of the present invention to carry
Go out the display panel of a kind of achievable wide band antireflective or low colour cast effect.
In one aspect of the invention, the invention provides a kind of display panel.Embodiments in accordance with the present invention, the display
Panel includes：First substrate；Second substrate, the second substrate is oppositely arranged with the first substrate；Liquid crystal layer, the liquid crystal
Layer is arranged between the first substrate and second substrate；Dispersive layer, the dispersive layer is arranged at the first substrate away from institute
The side of liquid crystal layer is stated, and the dispersive layer is formed by conductor material；Forming low-refractive-index layer, the forming low-refractive-index layer is arranged at the dispersion
Side of the layer away from the first substrate.In the display panel, by setting dispersive layer and forming low-refractive-index layer simultaneously, can effectively send out
The effect of screen layer is waved, and wide band antireflective and low reflection colour cast effect can be realized, effectively reduce panel surface reflectivity,
Increase contrast, and eliminate traditional ITO shield layer reflected light colour cast phenomenon, be obviously improved the optical effect of display panel.
Embodiments in accordance with the present invention, the dispersive layer ground connection.
Embodiments in accordance with the present invention, one end of the forming low-refractive-index layer is provided with opening.
Embodiments in accordance with the present invention, the material for forming the dispersive layer includes metal or alloy.
Embodiments in accordance with the present invention, the material for forming the dispersive layer includes copper, silver, nickel or its alloy.
Embodiments in accordance with the present invention, the thickness of the dispersive layer is 1-10 nanometers.
Embodiments in accordance with the present invention, the refractive index of the refractive index less than glass of the forming low-refractive-index layer.
Embodiments in accordance with the present invention, the material for forming the forming low-refractive-index layer includes silica or magnesium fluoride.
Embodiments in accordance with the present invention, the thickness of the forming low-refractive-index layer is 40-80 nanometers.
In another aspect of this invention, the invention provides a kind of display device.Embodiments in accordance with the present invention, the display
Equipment includes foregoing display panel.It will be understood by those skilled in the art that the display device has foregoing showing
Show all feature and advantage of panel, this is no longer going to repeat them.
The present invention at least has the advantages that：
1st, embodiments in accordance with the present invention, by the use of dispersive layer and forming low-refractive-index layer combination as novel shielding layer, are capable of achieving aobvious
Show panel surface wide band antireflective, lift display panel contrast；
2nd, embodiments in accordance with the present invention, by the use of dispersive layer and forming low-refractive-index layer combination as novel shielding layer, are capable of achieving low
Reflection and visible light wave range reflectivity curve smooth variation, colour cast are smaller, efficiently solve existing ITO shield layer reflection light color inclined
Indigo plant, influences the problem of visual effect.
Brief description of the drawings
Fig. 1 shows the structural representation of existing display panel.
Fig. 2 shows the structural representation of display panel according to an embodiment of the invention.
Fig. 3 shows the structural representation of display panel in accordance with another embodiment of the present invention.
Fig. 4 shows reflectance test result figure in the embodiment of the present invention 1.
Reference：
1：Color membrane substrates 2：Array base palte 3：Liquid crystal layer 4：ITO shield layer
10：First substrate 20：Second substrate 30：Liquid crystal layer 40：Dispersive layer 50：Forming low-refractive-index layer 52：Opening
Specific embodiment
Embodiments of the invention are described below in detail.The embodiments described below is exemplary, is only used for explaining this hair
It is bright, and be not considered as limiting the invention.Unreceipted particular technique or condition in embodiment, according to text in the art
Offer described technology or condition or carried out according to product description.Agents useful for same or the unreceipted production firm person of instrument,
For can by city available from conventional products.
In one aspect of the invention, the invention provides a kind of display panel.Embodiments in accordance with the present invention, reference picture
2, the display panel includes：First substrate 10；Second substrate 20, the second substrate 20 is relative with the first substrate 10 to be set
Put；Liquid crystal layer 30, the liquid crystal layer 30 is arranged between the first substrate 10 and second substrate 20；Dispersive layer 40, the color
Dissipate layer 40 and be arranged at side of the first substrate 10 away from the liquid crystal layer 30, and the dispersive layer 40 by conductor material shape
Into；Forming low-refractive-index layer 50, the forming low-refractive-index layer 50 is arranged at side of the dispersive layer 40 away from the first substrate 10.The display
In panel, by setting dispersive layer and forming low-refractive-index layer simultaneously, the effect of screen layer can be effectively played, and broadband anti-reflection can be realized
Penetrate and effectively eliminate tradition ITO shieldings with low reflection colour cast effect, effectively reduction panel surface reflectivity, increase contrast
Layer reflected light colour cast phenomenon, is obviously improved the optical effect of display panel.
Experimental data shows, using dispersive layer and forming low-refractive-index layer as novel shielding layer, in visible light wave range, display panel
Surface reflectivity can drop to 0.3% or so by the 9.2% of traditional ITO shield layer, and reflectivity is relatively low, and display panel contrast is carried
Height, and overall reflectivity curve is more gentle, reflected light aberration is small, and display panel visual effect is obviously improved.
Embodiments in accordance with the present invention, the specific material for forming first substrate 10 and second substrate 20 is not particularly limited,
Those skilled in the art can flexibly select as needed.In some embodiments of the invention, the base of first substrate 10 and second
Plate 20 can be independently each glass substrate, polymeric substrates or metal substrate etc..In some specific examples, first substrate 10
It is glass substrate with second substrate 20, thus, it is easy to process, cost is relatively low, and with good translucency.
Embodiments in accordance with the present invention, first substrate 10 can be color membrane substrates, and second substrate 20 is array base palte.Specifically
, the structures such as chromatic filter layer, black matrix layer and flatness layer can be provided with color membrane substrates, can be provided with array base palte
The structures such as thin film transistor (TFT), power line, drive circuit.
Embodiments in accordance with the present invention, in order to further improve the performance of display panel, the dispersive layer can connect
Ground.Thus, it is possible to more preferable release electrostatic, improves the display effect of display panel.Embodiments in accordance with the present invention, by dispersive layer
The specific connected mode of ground connection is not particularly limited, and can be grounded dispersive layer by methods such as leads.At one of the invention
In specific example, reference picture 3 can be provided with opening 52 in one end of forming low-refractive-index layer, and dispersive layer is grounded by the opening 52.By
This, is conducive to further improving the using effect of display panel, improves display quality.
Embodiments in accordance with the present invention, the specific material for forming the dispersive layer is not particularly limited, as long as having properly
Dispersion, can play a part of outer signals shielding, release electrostatic.In some embodiments of the invention, shape
Material into the dispersive layer can include metal or alloy.Thus, the complex refractivity index of metal or alloy has obvious dispersion
Characteristic, while have the effect of good signal shielding and release electrostatic, and is combined with forming low-refractive-index layer and can effectively be realized width
Band antireflective and low reflection colour cast characteristic.In some specific examples, formed the material of the dispersive layer can include copper, silver,
Nickel or its alloy.Thus, the effect with suitable dispersion and good signal shielding and release electrostatic, and with low refraction
Layer is combined and can effectively play antireflective and the effect of low colour cast, advantageously reduces panel surface reflectivity, increases contrast
Degree, eliminates reflected light color offset phenomenon, improving optical effect.
Embodiments in accordance with the present invention, the refractive index of forming low-refractive-index layer specifically described herein refers to the refractive index less than glass.By
This, preferably can act synergistically with dispersive layer, realize the effect of antireflective and low colour cast.
Embodiments in accordance with the present invention, the specific material for forming the forming low-refractive-index layer is not particularly limited, as long as meeting folding
The requirement of rate is penetrated, those skilled in the art can flexibly select as needed.In some embodiments of the invention, formed
The material of the forming low-refractive-index layer can include silica or magnesium fluoride.Thus, with suitable refractive index, can be with dispersive layer
Collective effect, effectively realizes the effect of antireflective and low colour cast, and material source is extensively, and price is relatively low, it is easy to process.
Embodiments in accordance with the present invention, in order to further enhance the effect of antireflective and low colour cast, can to dispersive layer and
The thickness of forming low-refractive-index layer is suitably adjusted, as long as meeting antireflective and the requirement of low colour cast, those skilled in the art can
To be selected according to actual needs.In some embodiments of the invention, the thickness of the dispersive layer can be 1-10 nanometers,
The thickness of the forming low-refractive-index layer can be 40-80 nanometers.Thus, in the thickness range, the dispersion of dispersive layer and low folding
Penetrating the performance ideal of layer, and be irradiated to the light of dispersive layer and forming low-refractive-index layer can interfere cancellation, while the color that metal is formed
Scattered layer has preferable absorbability, and both act synergistically, and the effect of antireflective and low colour cast is remarkably reinforced.Reality of the invention
Apply example, in order to obtain preferable antireflective and low colour cast effect, can beforehand through analogue, such as TFCalc,
Essential Macleod etc. calculate the thickness of dispersive layer and forming low-refractive-index layer, then again experiments verify that determining best results
Thickness.Thus, the panel surface reflectivity of acquisition is substantially reduced, and contrast is significantly improved, and eliminates traditional ITO shield layer
Reflected light colour cast phenomenon, the optical effect of display panel is obviously improved.
Embodiments in accordance with the present invention, the specific method for forming dispersive layer and forming low-refractive-index layer is not particularly limited, and can adopt
Carried out with any of method in this area.In some embodiments of the invention, the technology of dispersive layer and forming low-refractive-index layer is formed
Can be compatible with prior art, can for example be formed using magnetron sputtering coating method.Thus, technical maturity, it is easy to accomplish, fit
In scale, automated production.
In another aspect of this invention, the invention provides a kind of display device.Embodiments in accordance with the present invention, the display
Equipment includes foregoing display panel.It will be understood by those skilled in the art that the display device has foregoing showing
Show all feature and advantage of panel, this is no longer going to repeat them.
Embodiments in accordance with the present invention, the specific species of the display device is not particularly limited, can be for any with aobvious
Show unit of function etc., for example including but not limited to mobile phone, panel computer, computer display, game machine, television set,
Wearable device and the various living electric apparatus with display panel etc..
Additionally, it will be understood by those skilled in the art that in addition to above-mentioned display panel, the above-mentioned display device of the present invention is also
The necessary mechanism that should possess including conventional equipment and part, illustrate by taking mobile phone as an example, except display panel, can also wrap
The necessary structure of touch screen, fingerprint recognition module, camera module, CPU, battery, phone housing etc. conventional cell phone and part are included,
This is no longer going to repeat them.
Embodiment 1：Performance test
Sample preparation：
Experimental group：Sequentially form layers of copper (the i.e. dispersion that thickness is 5nm on the glass substrate by magnetron sputtering coating method
Layer) and thickness be 60nm silicon dioxide layer (i.e. forming low-refractive-index layer).
Control group：Form the ITO layer that thickness is 30nm on the glass substrate by magnetron sputtering coating method.
Method of testing：Using reflectance test instrument determination experiment group and the one side reflectivity of control sample, as a result such as Fig. 4
It is shown.
Interpretation of result：The ITO of traditional 30nm is can be seen that as shielding layered scheme from Fig. 4 results, it is seen that optical band one side
Reflectivity 9.2% or so (wave band 400nm-700nm), reflectivity is higher, and the bluish-green optical band of reflectivity (400nm-500nm) becomes
Change is higher, and reflection colour cast is larger, chromatic value (a*=0.4, b*=-8.7) influence display panel visual effect.Dispersion of the invention
Layer and forming low-refractive-index layer combine Cu (5nm)+SiO2(60nm) is in achievable wide band antireflective on glass substrate, it is seen that optical band
400nm-700nm one side average reflectances can reach 0.3%, realize wide band antireflective, lift display panel contrast.While by
More gentle in overall reflectivity curve, reflected light aberration is smaller, chromatic value (a*=2.89, b*=1.01), and display panel is regarded
Feel that effect can be obviously improved.
In the description of the invention, it is to be understood that term " first ", " second " are only used for describing purpose, and can not
It is interpreted as indicating or implying relative importance or the implicit quantity for indicating indicated technical characteristic.Thus, define " the
One ", one or more this feature can be expressed or be implicitly included to the feature of " second ".In the description of the invention,
" multiple " is meant that two or more, unless otherwise expressly limited specifically.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means to combine specific features, structure, material or spy that the embodiment or example are described
Point is contained at least one embodiment of the invention or example.In this manual, to the schematic representation of above-mentioned term not
Identical embodiment or example must be directed to.And, the specific features of description, structure, material or feature can be with office
Combined in an appropriate manner in one or more embodiments or example.Additionally, in the case of not conflicting, the skill of this area
Art personnel can be tied the feature of the different embodiments or example described in this specification and different embodiments or example
Close and combine.
Although embodiments of the invention have been shown and described above, it is to be understood that above-described embodiment is example
Property, it is impossible to limitation of the present invention is interpreted as, one of ordinary skill in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changes, replacing and modification.
Claims (10)
1. a kind of display panel, it is characterised in that including：
First substrate；
Second substrate, the second substrate is oppositely arranged with the first substrate；
Liquid crystal layer, the liquid crystal layer is arranged between the first substrate and second substrate；
Dispersive layer, the dispersive layer is arranged at side of the first substrate away from the liquid crystal layer, and the dispersive layer by leading
Body material is formed；
Forming low-refractive-index layer, the forming low-refractive-index layer is arranged at side of the dispersive layer away from the first substrate.
2. display panel according to claim 1, it is characterised in that the dispersive layer ground connection.
3. display panel according to claim 1, it is characterised in that one end of the forming low-refractive-index layer is provided with opening.
4. display panel according to claim 1, it is characterised in that the material for forming the dispersive layer includes metal or conjunction
Gold.
5. display panel according to claim 4, it is characterised in that the material for forming the dispersive layer includes copper, silver, nickel
Or its alloy.
6. display panel according to claim 1, it is characterised in that the thickness of the dispersive layer is 1-10 nanometers.
7. display panel according to claim 1, it is characterised in that folding of the refractive index of the forming low-refractive-index layer less than glass
Penetrate rate.
8. display panel according to claim 7, it is characterised in that the material for forming the forming low-refractive-index layer includes titanium dioxide
Silicon or magnesium fluoride.
9. display panel according to claim 1, it is characterised in that the thickness of the forming low-refractive-index layer is 40-80 nanometers.
10. a kind of display device, it is characterised in that including the display panel described in claim any one of 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710116556.0A CN106707605A (en) | 2017-02-28 | 2017-02-28 | Display panel and display equipment comprising same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710116556.0A CN106707605A (en) | 2017-02-28 | 2017-02-28 | Display panel and display equipment comprising same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106707605A true CN106707605A (en) | 2017-05-24 |
Family
ID=58917896
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710116556.0A Pending CN106707605A (en) | 2017-02-28 | 2017-02-28 | Display panel and display equipment comprising same |
Country Status (1)
| Country | Link |
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| CN (1) | CN106707605A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112670328A (en) * | 2020-12-21 | 2021-04-16 | 天马微电子股份有限公司 | Display panel and display device |
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| CN1914523A (en) * | 2004-01-29 | 2007-02-14 | 日本油漆株式会社 | Antidazzle coating composition, antidazzle film and process for producing the same |
| JP2009250989A (en) * | 2008-04-01 | 2009-10-29 | Epson Imaging Devices Corp | Liquid crystal device |
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| CN1498145A (en) * | 2001-03-30 | 2004-05-19 | ��ý���ɹ�ҵ��ʽ���� | Fine metal particles, method for preparing the particles,coating liquid containing the fine partucles for forming transparent electroconductive film,substrate with transparent electroconductive film.. |
| CN1482854A (en) * | 2002-07-18 | 2004-03-17 | ��ý���ɹ�ҵ��ʽ���� | Coating liquid for forming transparent conductive film, substrate with transparent conductive film, and display device |
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| CN112670328A (en) * | 2020-12-21 | 2021-04-16 | 天马微电子股份有限公司 | Display panel and display device |
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Application publication date: 20170524 |
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