CN101435959A - Liquid crystal display panel - Google Patents
Liquid crystal display panel Download PDFInfo
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- CN101435959A CN101435959A CNA2007100481270A CN200710048127A CN101435959A CN 101435959 A CN101435959 A CN 101435959A CN A2007100481270 A CNA2007100481270 A CN A2007100481270A CN 200710048127 A CN200710048127 A CN 200710048127A CN 101435959 A CN101435959 A CN 101435959A
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- insulation course
- display panels
- liquid crystal
- array base
- base palte
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Abstract
The invention relates to a liquid crystal display panel which comprises an array baseplate, a color film baseplate, a frame-sealed rubber layer positioned between the array baseplate and the color film baseplate and an inorganic film insulating layer positioned on the array baseplate, wherein a layer of an organic film insulating layer is arranged on the inorganic film insulating layer. The liquid crystal display panel can effectively reduce the phenomenon that a signal lead wire of a frame-sealed rubber coating part of the array baseplate and a common electrode of the color film baseplate generate short circuit through golden ball particles of frame-sealed rubber and the single lead wire so as to generate poor display, thereby improving the qualified rate of the liquid crystal display panel and the reliability of long-term use of a product.
Description
Technical field
The present invention relates to display panels, particularly can prevent the display panels that gold goal particle and signal lead are short-circuited.
Background technology
Traditional CRT monitor relies on the phosphor powder on the cathode-ray tube (CRT) emitting electrons bump screen to come display image, but the principle of liquid crystal display is then different fully.Usually, liquid crystal indicator (LCD) has (also claiming color membrane substrates) and infrabasal plate (also claiming array base palte), have each other certain intervals and mutually over against, be formed on two substrates a plurality of electrodes mutually over against, liquid crystal is clipped between upper substrate and the infrabasal plate, voltage is applied on the liquid crystal by the electrode on the substrate, thus then according to the voltage that acted on change the arrangement display image of liquid crystal molecule, because liquid crystal indicator is not launched light as mentioned above, it needs light source to come display image.Therefore, liquid crystal indicator has the backlight that is positioned at the liquid crystal panel back, thereby controls from backlight quantity of incident light display image according to the arrangement of liquid crystal molecule.Accompany glass substrate, colored filter, electrode, liquid crystal layer and transistor film between two polaroids, liquid crystal molecule is the material with refractive index and dielectric constant anisotropy.The light process that backlight sends is polaroid down, becomes the polarized light with certain polarization direction.Institute's making alive between the transistor controls electrode, and this voltage acts on the polarization direction that liquid crystal is controlled polarized light, polarized light forms monochromatic polarized light after seeing through corresponding color film chromatograph, if polarized light can penetrate the upper strata polaroid, then demonstrates corresponding color; Electric field intensity difference, the deflection angle of liquid crystal molecule are also different, and the light intensity that sees through is different, and the brightness of demonstration is also different, and the combination of the different light intensity by three kinds of colors of RGB shows motley image.
Fig. 1 has shown the floor map of a display panels of the prior art, and Fig. 2 is the sectional view of A-A direction among Fig. 1.As Fig. 1, shown in Figure 2, this display panels comprises a plurality of signal terminals, the signal wiring lead that is connected with signal terminal transmits signal to the viewing area, indium tin oxide (the Indium-Tin Oxide of color membrane substrates 2 sides, ITO) conductive layer 9 surrounds the signal wiring lead, near being positioned at signal terminal, has envelope frame glue-line 8, envelope frame glue-line 8 is arranged between array base palte 1 and the color membrane substrates 2 and be used for boning array base palte 1 and color membrane substrates 2, thereby formation liquid crystal cell, its material is nonconducting epoxy resin, for the array base palte 1 that makes envelope frame glue zone and color membrane substrates 2 Continuity signal up and down, in envelope frame glue-line 8, added a certain amount of gold goal particle 7, gold goal particle 7 is that a kind of skin is coated with certain flexible spherical resin particle of containing of gold or nickel metal, diameter does not wait to the hundreds of micron at several microns, resistance by single gold goal particle 7 conducted signals the time is very little, only has about several ohm to tens ohm.Comprise a glass substrate 3 on the array base palte 1, be positioned at insulation course 12 and insulation course 14 on the glass substrate 3, the signal lead layer 13 between insulation course 12 and insulation course 14.Comprise a glass substrate 11 on the color membrane substrates 2, be positioned at light shield layer 10 on the glass substrate 11 and indium tin oxide (Indium-Tin Oxide, ITO) conductive layer 9, envelope frame glue-line 8 is arranged between the conductive layer 9 of the insulation course 12 of array base palte 1 and color membrane substrates 2.Come from indium tin oxide (ITO) conductive layer 9 that gold goal particle 7 in the envelope frame glue-line 8 of 1 of indium tin oxide (ITO) conductive layer 9 by covering on the signal lead layer 13 on the array base palte 1, the contact hole, contact hole on the array base palte of common signal on the array base palte 1, color membrane substrates 2 and array base palte is delivered to color membrane substrates 2.
Fig. 3 is the sectional view of B-B direction among Fig. 1.Be positioned at color membrane substrates 2 glass substrate 11 and the light shield layer 10, the conductive layer 9 that are positioned on the glass substrate 11 are arranged successively, glass substrate 3, common signal lead layer 4, insulation course 5, conductive layer 6 are arranged on the array base palte 1 successively, and the gold goal particle 7 between conductive layer 6 and 9 is with conductive layer 6 and 9 conductings.
But owing to the ITO conductive layer 9 of color membrane substrates 2 sides as common electrode all covers on whole color membrane substrates 1, so also there is the ITO conductive layer 9 of color membrane substrates in the top of the envelope frame glue-line 8 at signal lead layer 13 place on the array base palte 1 here.And the connection of the ITO conductive layer 9 of gold goal particle 7 in the envelope frame glue-line 8 and color membrane substrates 2 on electric, at this moment the signal lead layer 13 on the array base palte 1 and contain between the gold goal particle 7 of common signal and only exist the insulation course 12 of one deck on signal lead layer 13 to prevent mutual conduction.The material of this insulation course 12 is mainly silicon nitride, because the restriction of process conditions, thickness is generally on several thousand Izod right sides, and electrostatic breakdown voltage is generally about 100 volts to 300 volts.In the manufacture process of LCD, exist the both sides of the liquid crystal cell of a lot of array base paltes and color membrane substrates formation to be subjected to the situation generation that external force is pushed.Though the gold goal particle has certain elasticity, because outer depth has metallics, so still have certain skin hardness.So under the effect of external force, the gold goal particle 7 very possible insulation courses of wearing on the very thin signal lead 13 12 of pressing that diameter is several microns, and make the signal lead layer 6 of array base palte side of two unlike signals and common electrode conductive layer 9 conductings of color membrane substrates side form short circuit, and take place to show bad.In addition, in the manufacture process of LCD, the occasion that exists a lot of static to take place, the highest electrostatic potential is easy to puncture the withstand voltage insulation course that has only about 300 volts up to more than 2000 volts; And the ITO conductive layer of the common electrode of color film side is whole covering; figure is bigger; be easy to accumulate static; and the color membrane substrates side does not generally have the electrostatic protection loop; static is easy to by the insulation course between gold goal particle and signal lead; make the signal electrode of array base palte side of two unlike signals and the common electrode conducting of color membrane substrates side, and take place to show bad.
Summary of the invention
Fundamental purpose of the present invention is to provide a kind of display panels, prevents the demonstration bad phenomenon that gold goal particle and signal lead are short-circuited and produce by this display panels.
For achieving the above object, the invention provides a kind of display panels, it comprises array base palte and color membrane substrates, envelope frame glue-line between array base palte and color membrane substrates, be positioned at the inoranic membrane insulation course on the array base palte, wherein, one deck organic membrane insulation course be set on this insulation course of inoranic membrane.
The present invention is owing to adopted above-mentioned technical scheme, make it compared with prior art, have following advantage and good effect: display panels of the present invention can reduce effectively because the demonstration bad phenomenon that signal lead and the common electrode on the color membrane substrates of envelope frame glue coating place on the array base palte is short-circuited and produces by the gold goal in the envelope frame glue, thereby has improved the yields of display panels and the reliability of the long-term use of product.
Description of drawings
Fig. 1 has shown the floor map of display panels of the prior art;
Fig. 2 is along the sectional view of A-A direction among Fig. 1;
Fig. 3 is along the sectional view of B-B direction among Fig. 1;
Fig. 4 is the structural representation of display panels of the present invention.
Embodiment
Below with reference to accompanying drawing display panels of the present invention is described in further detail.
Fig. 4 is the structural representation of display panels of the present invention, as shown in Figure 4, display panels of the present invention comprises array basal plate 21 and color membrane substrates 22, be positioned at display panels envelope frame glue-line 28 on every side, envelope frame glue-line 28 is arranged between array base palte 21 and the color membrane substrates 22 and be used for boning array base palte 21 and color membrane substrates 22, have glass substrate 31 on the color membrane substrates 22 of the present invention successively and be positioned at light shield layer 30 and conductive layer 29 on the glass substrate 31, but the material of conductive layer 29 is film forming metals such as indium tin oxide or aluminium, chromium, copper.Has glass substrate 23 on the array base palte 21 successively, be positioned at the insulation course 32 and 34 on the glass substrate 23, signal lead layer 33 between insulation course 32 and 34, wherein insulation course 32 and 34 is the inoranic membrane insulation course, in envelope frame glue-line 28, added a certain amount of gold goal particle 27, on the inoranic membrane insulation course 32 of the array base palte that seals frame glue-line 28 coating scope places, one deck organic membrane insulation course 35 is set again, the material of this organic membrane insulation course 35 can be a polyimide, tygon, polyvinylidene fluoride, the resinous material of one or more formations in the teflon, its thickness more than 1000 dusts and electrostatic breakdown voltage more than 2000 volts.Thereby gold goal particle 27 contacts the insulativity that improves array base palte 21 with this organic membrane insulation course 35, promptly improved the electrostatic breakdown voltage of the double hyer insulation layer of forming by organic membrane and inoranic membrane, make static be not easy insulation course 32 by gold goal particle 27 and signal lead, avoid the signal lead of envelope frame glue coating place on the array base palte and the demonstration bad phenomenon that the common electrode on the color membrane substrates is short-circuited and produces by the gold goal in the envelope frame glue effectively, thereby improved the yields and the long-term reliability that uses of product of display panels.Except above-mentioned described structure, in display panels of the present invention can with the coating scope place of the envelope frame glue-line that contains the gold goal particle and the inoranic membrane insulation course on the signal lead layer overlapped region on one deck organic membrane insulation course is set, and the organic membrane insulation course is not set, thereby can the economical with materials cost in other zones of envelope frame glue-line.
That more than introduces only is based on preferred embodiment of the present invention, can not limit scope of the present invention with this.Any device of the present invention or method are done replacement, the combination, discrete of step well know in the art, and the invention process step is done well know in the art being equal to change or replace and all do not exceed exposure of the present invention and protection domain.
Claims (7)
1. display panels, it comprises array base palte and color membrane substrates, and the envelope frame glue-line between array base palte and color membrane substrates is positioned at the inoranic membrane insulation course on the array base palte, it is characterized in that, one deck organic membrane insulation course is set on this insulation course of inoranic membrane.
2. display panels as claimed in claim 1, the material of described organic membrane insulation course are the resinous materials of one or more formations in polyimide, tygon, polyvinylidene fluoride, the teflon.
3. display panels as claimed in claim 1, the thickness of described organic membrane insulation course is more than 1000 dusts.
4. display panels as claimed in claim 1, the electrostatic breakdown voltage of described organic membrane insulation course is more than 2000 volts.
5. display panels as claimed in claim 1, described organic membrane insulation course contacts with the gold goal particle.
6. display panels as claimed in claim 1, described organic membrane insulation course are positioned at envelope frame glue-line coating scope place.
7. display panels as claimed in claim 1, described organic membrane insulation course are positioned at envelope frame glue-line and signal lead layer overlapped region.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100481270A CN101435959A (en) | 2007-11-13 | 2007-11-13 | Liquid crystal display panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100481270A CN101435959A (en) | 2007-11-13 | 2007-11-13 | Liquid crystal display panel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101435959A true CN101435959A (en) | 2009-05-20 |
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ID=40710465
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007100481270A Pending CN101435959A (en) | 2007-11-13 | 2007-11-13 | Liquid crystal display panel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101435959A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107230444A (en) * | 2017-07-05 | 2017-10-03 | 张家港康得新光电材料有限公司 | The maintenance unit of 3D display screens |
| CN109445165A (en) * | 2018-12-19 | 2019-03-08 | 惠科股份有限公司 | Display panel manufacturing method, display panel and display device |
| CN110187550A (en) * | 2019-06-10 | 2019-08-30 | 北海惠科光电技术有限公司 | Display panel and display device |
| CN115390324A (en) * | 2022-08-24 | 2022-11-25 | 惠州华星光电显示有限公司 | Array substrate and display panel |
-
2007
- 2007-11-13 CN CNA2007100481270A patent/CN101435959A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107230444A (en) * | 2017-07-05 | 2017-10-03 | 张家港康得新光电材料有限公司 | The maintenance unit of 3D display screens |
| CN107230444B (en) * | 2017-07-05 | 2020-11-03 | 张家港康得新光电材料有限公司 | Maintenance device of 3D display screen |
| CN109445165A (en) * | 2018-12-19 | 2019-03-08 | 惠科股份有限公司 | Display panel manufacturing method, display panel and display device |
| CN110187550A (en) * | 2019-06-10 | 2019-08-30 | 北海惠科光电技术有限公司 | Display panel and display device |
| CN115390324A (en) * | 2022-08-24 | 2022-11-25 | 惠州华星光电显示有限公司 | Array substrate and display panel |
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Open date: 20090520 |