CN103278953A - Liquid crystal panel and display device thereof - Google Patents
Liquid crystal panel and display device thereof Download PDFInfo
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- CN103278953A CN103278953A CN2012103020084A CN201210302008A CN103278953A CN 103278953 A CN103278953 A CN 103278953A CN 2012103020084 A CN2012103020084 A CN 2012103020084A CN 201210302008 A CN201210302008 A CN 201210302008A CN 103278953 A CN103278953 A CN 103278953A
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Abstract
The invention discloses a liquid crystal panel and a display device of the liquid crystal panel. The liquid crystal panel mainly comprises a first substrate, a second substrate and a liquid crystal layer which is filled between the first substrate and the second substrate, wherein the first substrate and the second substrate are oppositely arranged. The liquid crystal panel comprises a display zone and a non-display zone, wherein the non-display zone surrounds the display zone. A first shielding layer is arranged on the non-display zone, far away from one side of the liquid crystal layer, on the first substrate. Compared with the prior art, the first shielding layer is arranged on the non-display zone, far away from the side of the liquid crystal layer, on the first substrate, manufacturing process is relatively simple, and when the liquid crystal panel is interfered by static, the first shielding layer can have the effect of resisting generated static, conductivity of the first shielding layer is utilized to release the generated static, the damage of the static to components inside the liquid crystal panel is reduced, and the capability of resisting ESD of the liquid crystal panel is improved.
Description
Technical field
The present invention relates to field of liquid crystal display, relate in particular to a kind of display panels and display device thereof.
Background technology
Along with the development of display technique, liquid crystal indicator is widely used in the electronic products such as TV, notebook computer, mobile phone because of advantages such as it has that external form is frivolous, little power consumption and radiationless pollutions.Wherein, display panels is the Primary Component of liquid crystal indicator, is mainly undertaken forming behind the box by the liquid crystal that applies between two substrates and two substrates.And the principle of liquid crystal display is to apply voltage at two substrates, and then forms electric field between two base stations making under the effect of the voltage that applies, and liquid crystal molecule rotates under effect of electric field and controls passing through of light beam, to realize showing image.
Display panels is in manufacture process or when using this electronic product; usually can produce voltage because of friction up to the static of thousands of volts; the static that produces is sought release way by the circuit of display panels inside; when utilizing the release way release electrostatic of determining; device to display panels inside antistatic effect difference causes damage easily, influences the normal demonstration of display panels.
The user is static to the anti-ESD(of liquid crystal device when using liquid crystal display device) Capability Requirement is also more and more higher, from original 2Kv/4kv (contact/gap) 4Kv/8kv till now, the present requirement that proposes 8Kv/15kv in addition.Generally can determine the anti-ESD ability of liquid crystal display device by the test mode that static gun is got ready at display panels, concrete grammar is: as shown in Figure 1, for detecting the synoptic diagram of the anti-ESD ability of display panels, determine several points at display panels, common nine points, point 1 is to point 9, described nine points lay respectively at the zones of different of liquid crystal panel, facing to the point of determining, use static gun that static is got on the liquid crystal panel, part static can be in the diffusion of the top layer of display panels, the TFT glass surface of the inside that the glass substrate that also has another part static can see through display panels enter is sought release way along the circuit on the surface of glass substrate, when this a part of static is strong, to the internal wiring of TFT glass surface be caused damage, influence the demonstration of display panels.
This problem of infringement that the normal demonstration of display panels is caused about static, in the prior art, the modes of the structure of display panels being transformed pre-electrostatic prevention that adopt more, for example: the frame glue outer peripheral areas at display panels applies the nonconducting colloid of a circle, make the electrode layer of substrate inside be isolated from the outside, thereby blocked the infringement that causes when static is inner by substrate.
By the structure of display panels being transformed come pre-electrostatic prevention, not only make the time of making liquid crystal panel increase, and be coated with nonconducting colloid in the frame glue outer peripheral areas of display panels and also need the extra special colloid coating apparatus that increases, make the complex manufacturing technology degree of display panels increase.
This shows, in order to prevent that the display panels interior electrode layer from avoiding the influence of static, have the bigger problem of process complexity that the Production Time of making liquid crystal panel is long and make liquid crystal panel in the prior art.
Summary of the invention
The embodiment of the invention provides a kind of liquid crystal panel and display device thereof, be used for solving prior art and avoid the influence of static in order to prevent the display panels interior electrode layer, have the bigger problem of process complexity that the Production Time of making liquid crystal panel is long and make liquid crystal panel.
A kind of liquid crystal panel, comprise: first substrate that is oppositely arranged and second substrate, and be filled in liquid crystal layer between first substrate and second substrate, described liquid crystal panel comprises viewing area and non-display area, described non-display area surrounds the viewing area, and the non-display area away from liquid crystal layer one side on first substrate is provided with first screen layer.
A kind of display device comprises above-mentioned liquid crystal panel.
Beneficial effect of the present invention is as follows:
The embodiment of the invention arranges first screen layer by the non-display area away from liquid crystal layer one side on first substrate of liquid crystal panel, manufacture craft is simpler relatively, and when liquid crystal panel is subjected to electrostatic interference, first screen layer that arranges can play resistant function to the static that produces, utilize the electric conductivity of first screen layer that the static that produces is discharged, reduce the damage of static to the liquid crystal panel internal components, improved the anti-ESD ability of liquid crystal panel.
Description of drawings
Fig. 1 is for detecting the synoptic diagram of the anti-ESD ability of display panels;
Fig. 2 is the structural representation of a kind of liquid crystal panel of present embodiment one;
Fig. 3 is the synoptic diagram of ITO thickness and anti-ESD ability;
Fig. 4 is the synoptic diagram of ITO thickness and penetrance;
Fig. 5 is a kind of structural drawing of liquid crystal panel;
Fig. 6 is a kind of structural drawing of liquid crystal panel;
Fig. 7 is the process flow diagram of a kind of liquid crystal panel manufacturing method of present embodiment three.
Embodiment
In order to realize purpose of the present invention, the embodiment of the invention provides a kind of liquid crystal panel and display device thereof, by first substrate and second substrate that is oppositely arranged, and be filled in liquid crystal layer between first substrate and second substrate, described liquid crystal panel comprises viewing area and non-display area, wherein, described non-display area surrounds the viewing area; Non-display area away from liquid crystal layer one side on first substrate arranges first screen layer.
Compared with prior art, by the non-display area away from liquid crystal layer one side on first substrate of liquid crystal panel first screen layer is set, manufacture craft is simpler relatively, and when liquid crystal panel is subjected to electrostatic interference, first screen layer that arranges can play resistant function to the static that produces, utilize the electric conductivity of first screen layer that the static that produces is discharged, reduced the damage of static to the liquid crystal panel internal components, improved the anti-ESD ability of liquid crystal panel.
Below in conjunction with Figure of description various embodiments of the present invention are described in detail.
Embodiment one:
As shown in Figure 2, be the structural representation of a kind of liquid crystal panel of present embodiment one.Described liquid crystal panel comprises: first substrate 11 that is oppositely arranged and second substrate 12, and be filled in liquid crystal layer 13 between first substrate and second substrate, described liquid crystal panel comprises viewing area 14 and non-display area 15, described non-display area 15 surrounds viewing area 14 and arranges, and the non-display area 15 away from liquid crystal layer one side is provided with first screen layer 16 on first substrate.
More preferably, described first substrate 11 is color membrane substrates, and described second substrate 12 is array base palte.
Particularly, first screen layer 16 of described non-display area 15 can be the non-display area that covers whole liquid crystal panel, it can also be the part non-display area that covers liquid crystal panel according to actual needs, wherein, when the material of first screen layer of non-display area was indium tin oxide ITO, the thickness of ITO can be 100 ~ 3000 dusts.
Because the ITO material has good electric conductivity and the transparency, therefore, ITO can be played good anlistatig effect as the material of first screen layer.
More preferably, the material of first screen layer of non-display area is metal or the metallic compound of conduction on described first substrate, and for example: the metal of conduction can be aluminium, magnesium, silver etc.; Metallic compound can be ITO etc.
More preferably, the viewing area 14 away from liquid crystal layer one side on first substrate 11 is provided with secondary shielding layer 17, and wherein, the thickness of described first screen layer 16 is greater than the thickness of described secondary shielding layer 17.
Particularly, when the material of the secondary shielding layer 17 on described first substrate 11 in the viewing area 14 was indium tin oxide ITO, the thickness of ITO can be 50 ~ 300 dusts.
More preferably, the material of the secondary shielding layer of first screen layer of non-display area and viewing area can be inequality on described first substrate, the material of the secondary shielding layer of viewing area is metal or the metallic compound of printing opacity conduction on described first substrate, and for example: the metal of printing opacity conduction can be aluminium etc.; The metallic compound of printing opacity conduction can be the compound of aluminium with printing opacity electric conductivity.
That is to say that first screen layer of non-display area also can be identical with the material of the secondary shielding layer of viewing area on described first substrate, namely the material of the secondary shielding layer of viewing area all is indium tin oxide ITO on described first substrate.
Because the electric conductivity of ITO material is directly proportional with the thickness of ITO material, as shown in Figure 3, be the synoptic diagram of ITO thickness and anti-ESD ability, the thickness of the ITO material that non-display area covers on first substrate is more big, the electric conductivity of ITO is more strong, and the antistatic effect of liquid crystal panel is more good; And how much being inversely proportional to of the light transmission of ITO material and ITO material, as shown in Figure 4, synoptic diagram for ITO thickness and penetrance, the thickness of the ITO material that the viewing area covers on first substrate is more little, the light transmission of ITO is more good, the brightness of liquid crystal panel module is more big, therefore when first substrate of liquid crystal panel covers the ITO of whole layer, the thickness of the ITO of the first substrate non-display area is greater than the ITO thickness of viewing area, the light transmission requirement of liquid crystal panel viewing area can be guaranteed, the requirement of the antistatic effect of liquid crystal panel can also be guaranteed.
More preferably, described liquid crystal panel also comprises: be arranged on second substrate 12 the 3rd screen layer 18 away from the non-display area 15 of liquid crystal layer 13 1 sides, as shown in Figure 5, be a kind of structural drawing of liquid crystal panel.
The material of described the 3rd screen layer 18 can be that the metal of conduction can also be metallic compound.
More preferably, the material of described the 3rd screen layer is ITO.
Increase by the 3rd screen layer at the back side of liquid crystal panel like this, will help to strengthen the antistatic effect of liquid crystal panel.
More preferably, described liquid crystal panel also comprises: the contact mat 19 that connects reference potential is set, and described first screen layer 16 is electrically connected by elargol 20 and described contact mat, as shown in Figure 6, is a kind of structural drawing of liquid crystal panel.
Particularly, second substrate at liquid crystal panel arranges the contact mat that connects the reference point position, first screen layer on described first substrate is connected with described contact mat by elargol, can the static that produce on first screen layer be discharged fast by contact mat like this, improve the antistatic effect of liquid crystal panel.
Embodiment two:
Suppose the IPS(In-Plane Switching that liquid crystal panel adopts, plane conversion) pattern, first substrate is color membrane substrates, second substrate is array base palte, adopt the scheme of embodiment one, at the non-display area of color membrane substrates first screen layer is set, in the viewing area of color membrane substrates the secondary shielding layer is set, wherein, the material of first screen layer and secondary shielding layer is ITO.
Particularly, the THICKNESS CONTROL of secondary shielding layer is set on the 100 Izod right sides in the viewing area, and can reach 600 dusts at the thickness of first screen layer of non-display area setting, so both guaranteed the display requirement of viewing area, the secondary shielding layer that is the viewing area can play the effect that shields external electrical field, in order to avoid external electrical field causes interference to the horizontal component of electric field in the liquid crystal panel, also strengthened the anlistatig ability of liquid crystal panel.
Suppose the non-IPS(Non-In-Plane Switching that liquid crystal panel adopts, the on-plane surface conversion) pattern, first substrate is color membrane substrates, second substrate is array base palte, adopt the scheme of embodiment one, non-display area at color membrane substrates arranges first screen layer, and wherein, the material of first screen layer is ITO.
Particularly, be 600 dusts at the thickness of first screen layer of non-display area setting, so neither reduce the requirement of liquid crystal panel penetrance, also strengthened the anlistatig ability of liquid crystal panel.
Embodiment three:
As shown in Figure 7, be the process flow diagram of a kind of liquid crystal panel manufacturing method of present embodiment three, described method comprises:
Step 101: first glass substrate is provided.
Step 102: adopt the mode of PVD plated film to form an ITO layer at first glass substrate.
Wherein, the ITO layer in the viewing area of first glass substrate is the secondary shielding layer that arranges among the embodiment one.
Particularly, the thickness of a described ITO layer is 100 dusts.
Step 103: utilize cover plate and cover all viewing areas on first glass substrate after, adopt the mode of PVD plated film to form the 2nd ITO layer at whole first glass substrate.
Wherein, the thickness of described the 2nd ITO layer is 500 dusts.
Need to prove, at an ITO layer of the non-display area of first glass substrate and the 2nd ITO layer in conjunction with forming first screen layer that arranges among the embodiment one.
Step 104: second glass substrate is provided, utilizes the mode of PVD plated film to form the 3rd screen layer in the non-display area on second glass substrate.
Wherein, the material of described the 3rd screen layer is ITO, and its thickness is 100 dusts.
Step 105: first glass substrate is not arranged a side of first screen layer and secondary shielding layer and second glass substrate the 3rd screen layer one side is not set fits in opposite directions, and between it, form liquid crystal layer.
Embodiment four:
A kind of display device, described display device have comprised implements the liquid crystal panel described in.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.
Claims (12)
1. liquid crystal panel, comprise: first substrate that is oppositely arranged and second substrate, and be filled in liquid crystal layer between first substrate and second substrate, described liquid crystal panel comprises viewing area and non-display area, described non-display area surrounds the viewing area, and it is characterized in that: the non-display area away from liquid crystal layer one side on first substrate arranges first screen layer.
2. liquid crystal panel as claimed in claim 1 is characterized in that, described first substrate is color membrane substrates, and described second substrate is array base palte.
3. liquid crystal panel as claimed in claim 1 is characterized in that, the viewing area away from liquid crystal layer one side on first substrate arranges the secondary shielding layer, and the thickness of described first screen layer is greater than the thickness of described secondary shielding layer.
4. as the arbitrary described liquid crystal panel of claim 1 ~ 3, it is characterized in that described liquid crystal panel also comprises: be arranged on second substrate the 3rd screen layer away from the non-display area of liquid crystal layer one side.
5. liquid crystal panel as claimed in claim 1 is characterized in that, described liquid crystal panel also comprises: the contact mat that connects reference potential is set, and described first screen layer is electrically connected by elargol and described contact mat.
6. liquid crystal panel as claimed in claim 1 is characterized in that, the thickness of first screen layer of non-display area is 100 ~ 3000 dusts on described first substrate.
7. liquid crystal panel as claimed in claim 3 is characterized in that, the thickness of the secondary shielding layer on described first substrate in the viewing area is 50 ~ 300 dusts.
8. liquid crystal panel as claimed in claim 3 is characterized in that, first screen layer of non-display area is identical with the material of the secondary shielding layer of viewing area on described first substrate.
9. liquid crystal panel as claimed in claim 8 is characterized in that, the material of the secondary shielding layer of first screen layer of non-display area and viewing area is indium tin oxide ITO on described first substrate.
10. liquid crystal panel as claimed in claim 3 is characterized in that, the material of the secondary shielding layer of first screen layer of non-display area and viewing area is inequality on described first substrate.
11. liquid crystal panel as claimed in claim 10, it is characterized in that, the material of first screen layer of non-display area is metal or the metallic compound of conduction on described first substrate, and the material of the secondary shielding layer of viewing area is metal or the metallic compound of printing opacity conduction on described first substrate.
12. a display device is characterized in that, comprises the described liquid crystal panel of claim 1 ~ 11.
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| CN201210302008.4A CN103278953B (en) | 2012-08-22 | 2012-08-22 | A kind of liquid crystal panel and display device thereof |
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| CN201210302008.4A CN103278953B (en) | 2012-08-22 | 2012-08-22 | A kind of liquid crystal panel and display device thereof |
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| CN103278953A true CN103278953A (en) | 2013-09-04 |
| CN103278953B CN103278953B (en) | 2016-12-21 |
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| CN103926732A (en) * | 2014-04-09 | 2014-07-16 | 厦门天马微电子有限公司 | TFT array substrate, display panel and display device |
| CN105911787A (en) * | 2016-07-05 | 2016-08-31 | 厦门天马微电子有限公司 | Array substrate and display panel |
| CN106773259A (en) * | 2017-01-03 | 2017-05-31 | 京东方科技集团股份有限公司 | A kind of color membrane substrates and preparation method thereof, display device |
| CN107204345A (en) * | 2017-05-23 | 2017-09-26 | 京东方科技集团股份有限公司 | A kind of array base palte and preparation method thereof, display device |
| WO2019041335A1 (en) * | 2017-08-28 | 2019-03-07 | 惠科股份有限公司 | Display panel and manufacturing method therefor |
| CN109785746A (en) * | 2018-12-28 | 2019-05-21 | 友达光电（昆山）有限公司 | A kind of display device |
| CN111552101A (en) * | 2020-05-14 | 2020-08-18 | 深圳同兴达科技股份有限公司 | Silver paste conduction detection method and silver paste conduction detection system of liquid crystal display module |
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| CN111552101A (en) * | 2020-05-14 | 2020-08-18 | 深圳同兴达科技股份有限公司 | Silver paste conduction detection method and silver paste conduction detection system of liquid crystal display module |
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| CN103278953B (en) | 2016-12-21 |
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