CN102508379A - Liquid crystal display device and method for manufacturing same - Google Patents
Liquid crystal display device and method for manufacturing same Download PDFInfo
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- CN102508379A CN102508379A CN2011103468170A CN201110346817A CN102508379A CN 102508379 A CN102508379 A CN 102508379A CN 2011103468170 A CN2011103468170 A CN 2011103468170A CN 201110346817 A CN201110346817 A CN 201110346817A CN 102508379 A CN102508379 A CN 102508379A
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Abstract
The invention discloses a liquid crystal display device. The device comprises an array substrate and a color film substrate which are arranged oppositely, wherein sealing glue is coated on the array substrate or the color film substrate; when the sealing glue is cured by ultraviolet from the array substrate side, an indium tin oxide (ITO) layer in a sealing glue coating region on the array substrate side is only arranged in an ultraviolet non-transmission region, and a common signal metal lead wire layer on the array substrate side is indented in the ITO layer; and when the sealing glue is cured by the ultraviolet from the color film substrate side, the ITO layer on the color film substrate side is only arranged in a region without the sealing glue and at most partial region with the sealing glue. The invention also discloses a method for manufacturing the liquid crystal display device. According to the invention, the ITO layer is not blocked in the ultraviolet transmission region, so that the ultraviolet irradiation time is reduced, and the production time and the energy consumption are saved; furthermore, the curing effect is enhanced, the reliability level of a product is increased, and the yield of the liquid crystal display device is improved.
Description
Technical field
The present invention relates to the manufacturing approach of a kind of liquid crystal indicator and liquid crystal indicator.
Background technology
Traditional CRT monitor relies on the fluorescent 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 display (LCD) device has upper substrate and infrabasal plate, have each other certain intervals and mutually over against.Be formed on two substrates a plurality of electrodes each other over against.Liquid crystal is clipped between upper substrate and the infrabasal plate.Voltage is applied on the liquid crystal through 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 stated, 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 the arrangement according to liquid crystal molecule is controlled from backlight quantity of incident light display image.As shown in Figure 1, between two Polarizers, accompany glass substrate, colored filter (color film), electrode, liquid crystal layer and thin film transistor (TFT), liquid crystal molecule is the material with refractive index and dielectric constant anisotropy.The light that backlight sends becomes the polarized light with certain polarization direction through lower floor's Polarizer.Institute's making alive between the thin film transistor (TFT) control 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 Polarizer, then demonstrates corresponding color; Electric field intensity is different, and the deflection angle of liquid crystal molecule is also different, and the light intensity that sees through is different, and the brightness of demonstration is also different.The combination of the different light intensity through three kinds of colors of RGB shows motley image.
The making flow process of display panels is: make color membrane substrates and array base palte; Coating one circle envelope frame glue on color membrane substrates or array base palte; Use the liquid crystal dripping device an amount of liquid crystal that in the zone that envelope frame glue surrounds, drips; In vacuum environment, another piece substrate is fitted with it, use UV-irradiation and thermmohardening to make envelope frame glue sclerosis fixing (envelope frame gum forming).
Fig. 2 is the synoptic diagram that carries out the engineering of ultraviolet light polymerization envelope frame glue, and is as shown in Figure 2, the substrate after being fitted from the top irradiation by ultraviolet light.Dual mode is generally arranged, a kind of be color membrane substrates at upside, array base palte is at downside; A kind of be array base palte at upside, color membrane substrates is at downside.
Fig. 3 is the floor map (array base palte is at upside, and color membrane substrates is at downside) of display panels.Fig. 4 is the expansion synoptic diagram of expansion place among Fig. 3.Fig. 5 is the sectional schematic diagram of section part 1 among Fig. 4.As can beappreciated from fig. 4, around array base palte, be provided with common signal metal trace layer, solidify envelope frame glue, on common signal metal trace layer, have the light hole of many strips in order to carry out UV-irradiation from the array base palte side.As can beappreciated from fig. 5; On ITO (indium tin oxide) layer that the common signal of array base palte side is delivered to the common electrode of color membrane substrates side; On the insulation course of array base palte side, carve the hole, cover the ITO layer and touch on the common signal metal trace layer of array base palte side.Gold goal through conducting electricity passes to common signal on the common electrode of color membrane substrates side then.The ITO layer of array base palte side has not only covered the light tight district of ultraviolet light, has also covered the ultraviolet light photic zone.
Fig. 6 is the floor map (color membrane substrates is at upside, and array base palte is at downside) of display panels.ITO layer on the color membrane substrates mainly is to be used for doing common electrode, and its generally whole distribution on color membrane substrates.Fig. 7 is the sectional schematic diagram of section part 1 among Fig. 6.
ITO a kind ofly widely can be with membraneous material, and its band gap is generally 3.5～4.3ev.The absorption threshold value of having encouraged in the forbidden band that ultraviolet region produces is generally 3.75ev, be equivalent to the wavelength of 330nm, so the light transmittance of ultraviolet region ito thin film is extremely low, and absorptivity is high, and very good in the transmitance of visible region.
The engineering of carrying out ultraviolet light polymerization envelope frame glue from the array base palte side; Because the ultraviolet light photic zone of the envelope frame glue dispensing area on the array base palte side has for the strong ITO layer of UV Absorption, perhaps the engineering of carrying out ultraviolet light polymerization envelope frame glue from the color membrane substrates side, owing to have for the strong ITO layer of UV light absorbing in the color membrane substrates side of envelope frame glue coating; So can influence of the absorption of envelope frame glue for ultraviolet light; The set time and the state of cure of influence envelope frame glue, thus the production time prolonged, increased energy resource consumption; Dissociant (ion-type impurity) with in the uncured envelope frame glue of fashion will pollute liquid crystal material; Reduce the resistivity of liquid crystal, cause some demonstrations of liquid crystal display device bad, like the generation of image retention problem etc.; Reduce the reliability level of product, reduced the yields of liquid crystal display device.
Summary of the invention
Goal of the invention: to the problem and shortage that above-mentioned prior art exists, the purpose of this invention is to provide the manufacturing approach of a kind of liquid crystal indicator and liquid crystal indicator, reduce ultraviolet light transmission region stopping to ultraviolet light.
Technical scheme: for realizing the foregoing invention purpose; First kind of technical scheme that the present invention adopts is a kind of liquid crystal indicator; Comprise the array base palte and the color membrane substrates that are oppositely arranged, on said array base palte or color membrane substrates, scribble envelope frame glue, when solidifying envelope frame glue from array base palte side irradiating ultraviolet light; ITO layer in the array base palte side seal frame glue dispensing area only is arranged on the light tight district of ultraviolet light, and the common signal metal trace layer of the interior indentation array base palte side of this ITO layer.
The distance of the common signal metal trace layer of indentation array base palte side can be greater than 1 micron in the said ITO layer.
The thickness of said ITO layer can be 100 dust to 10000 dusts.
Second kind of technical scheme that the present invention adopts is a kind of liquid crystal indicator; Comprise the array base palte and the color membrane substrates that are oppositely arranged; On said array base palte or color membrane substrates, scribble envelope frame glue; When solidifying envelope frame glue from color membrane substrates side irradiating ultraviolet light, the ITO layer of color membrane substrates side only is arranged on the zone of uncoated envelope frame glue and to the envelope frame glue dispensing area of many parts.
The thickness of said ITO layer can be 100 dust to 10000 dusts.
The third technical scheme that the present invention adopts is a kind of manufacturing approach of liquid crystal indicator; Said liquid crystal indicator comprises array base palte and the color membrane substrates that is oppositely arranged; On said array base palte or color membrane substrates, scribble envelope frame glue; When solidifying envelope frame glue from array base palte side irradiating ultraviolet light; With the common signal metal trace layer of indentation array base palte side in the ITO layer in the light tight district of ultraviolet light in the array base palte side seal frame glue dispensing area, and the ITO layer of the ultraviolet light photic zone in the array base palte side seal frame glue dispensing area removed.
The distance of the common signal metal trace layer of indentation array base palte side can be greater than 1 micron in the said ITO layer.
The method of the said ITO of removing layer can be the step of carrying out film forming, exposure, development, etching and peeling off successively.
The 4th kind of technical scheme that the present invention adopts is a kind of manufacturing approach of liquid crystal indicator; Said liquid crystal indicator comprises array base palte and the color membrane substrates that is oppositely arranged; On said array base palte or color membrane substrates, scribble envelope frame glue; When solidifying envelope frame glue from color membrane substrates side irradiating ultraviolet light, with all or part of the removing of ITO layer in the color membrane substrates side seal frame glue dispensing area.
The method of the said ITO of removing layer can be the step of carrying out film forming, exposure, development, etching and peeling off successively.
Beneficial effect: when the present invention is solidified envelope frame glue in irradiating ultraviolet light; Through with the light tight district of ultraviolet light in the envelope frame glue dispensing area on the array base palte side for the common signal metal trace layer of indentation in the strong ITO layer of UV Absorption; And the ITO layer that will be positioned at the ultraviolet light photic zone is removed; Perhaps through with the envelope frame glue dispensing area on the color membrane substrates side for strong all or part of the removing of ITO layer of UV light absorbing, make the ultraviolet light photic zone not have stopping of ITO layer, reduced the time of UV-irradiation; Production time and energy resource consumption have been saved; Improve solidification effect simultaneously, strengthened the reliability level of product, improved the yields of liquid crystal display device.
Description of drawings
Fig. 1 is the structural representation of traditional liquid crystal indicator;
Fig. 2 is the synoptic diagram of the engineering of ultraviolet light polymerization envelope frame glue;
Fig. 3 is the floor map (array base palte is at upside, and color membrane substrates is at downside) of display panels;
Fig. 4 is the expansion synoptic diagram (prior art) of expansion place among Fig. 3;
Fig. 5 is the sectional schematic diagram of section part 1 among Fig. 4;
Fig. 6 is the floor map (color membrane substrates is at upside, and array base palte is at downside) of display panels;
Fig. 7 is the sectional schematic diagram of section part 1 among Fig. 6;
Fig. 8 is the expansion synoptic diagram (the present invention) of expansion place among Fig. 3;
Fig. 9 is the sectional schematic diagram of section part 2 among Fig. 8;
Figure 10 is for all removing the floor map of the display panels of the ITO layer in the color membrane substrates side seal frame glue dispensing area;
Figure 11 is the sectional schematic diagram of section part 2 among Figure 10.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment; Further illustrate the present invention; Should understand these embodiment only be used to the present invention is described and be not used in the restriction scope of the present invention; After having read the present invention, those skilled in the art all fall within the application's accompanying claims institute restricted portion to the modification of the various equivalent form of values of the present invention.
Embodiment 1:
As shown in Figure 8, around array base palte, be provided with common signal metal trace layer, solidify envelope frame glue in order to carry out UV-irradiation from the array base palte side, on common signal metal trace layer, have the light hole of many strips.As shown in Figure 9, be delivered to for common signal on the ITO layer of common electrode of color membrane substrates side the array base palte side, on the insulation course of array base palte side, carve hole (contact hole), the common signal metal trace layer of ITO layer and array base palte side is contacted.Gold goal through conducting electricity passes to common signal on the common electrode of color membrane substrates side then.With the light tight district of ultraviolet light in the envelope frame glue dispensing area on the array base palte side for the common signal metal trace layer of indentation in the strong ITO layer of UV light absorbing, and the ITO layer that will be positioned at the ultraviolet light photic zone removes, like this; The ITO layer of array base palte side only covers the light tight district of ultraviolet light, plays the effect of common signal path, has not then had the ITO layer at the ultraviolet light photic zone; Envelope frame glue following just has only transparent insulation course and glass, and therefore sealing frame glue can be shone by ultraviolet light fully, fully solidifies; Thereby can shorten time of UV-irradiation greatly; Reduce the production time, save energy resource consumption, the dissociant (ion-type impurity) that has reduced simultaneously in the envelope frame glue that does not have to solidify will pollute liquid crystal material; Reduce the resistivity of liquid crystal; Cause some demonstrations of liquid crystal display device bad, strengthened the reliability level of product, improved the yields of liquid crystal display device.In the present embodiment, the thickness of IT0 layer is 100 dust to 10000 dusts.
Embodiment 2:
Like Figure 10 and shown in Figure 11, with the envelope frame glue dispensing area on the color membrane substrates side all remove (certainly part remove also can) for the strong ITO layer of UV light absorbing after, envelope frame glue top just has only transparent glass; Can be shone fully by ultraviolet light, fully solidify, so can shorten the time of UV-irradiation greatly; Reduce the production time, save energy resource consumption, the dissociant (ion-type impurity) that has reduced simultaneously in the envelope frame glue that does not have to solidify will pollute liquid crystal material; Reduce the resistivity of liquid crystal; Cause some demonstrations of liquid crystal display device bad, strengthened the reliability level of product, improved the yields of liquid crystal display device.
Claims (10)
1. liquid crystal indicator; Comprise the array base palte and the color membrane substrates that are oppositely arranged; On said array base palte or color membrane substrates, scribble envelope frame glue; It is characterized in that: when solidifying envelope frame glue from array base palte side irradiating ultraviolet light, the ITO layer in the array base palte side seal frame glue dispensing area only is arranged on the light tight district of ultraviolet light, and the common signal metal trace layer of the interior indentation array base palte side of this ITO layer.
2. according to the said liquid crystal indicator of claim 1, it is characterized in that: the distance of the common signal metal trace layer of indentation array base palte side is greater than 1 micron in the said ITO layer.
3. according to the said liquid crystal indicator of claim 1, it is characterized in that: the thickness of said ITO layer is 100 dust to 10000 dusts.
4. liquid crystal indicator; Comprise the array base palte and the color membrane substrates that are oppositely arranged; On said array base palte or color membrane substrates, scribble envelope frame glue; It is characterized in that: when solidifying envelope frame glue from color membrane substrates side irradiating ultraviolet light, the ITO layer of color membrane substrates side only is arranged on the zone of uncoated envelope frame glue and to the envelope frame glue dispensing area of many parts.
5. according to the said liquid crystal indicator of claim 4, it is characterized in that: the thickness of said ITO layer is 100 dust to 10000 dusts.
6. the manufacturing approach of a liquid crystal indicator; Said liquid crystal indicator comprises array base palte and the color membrane substrates that is oppositely arranged; On said array base palte or color membrane substrates, scribble envelope frame glue; It is characterized in that: when solidifying envelope frame glue from array base palte side irradiating ultraviolet light; With the common signal metal trace layer of indentation array base palte side in the ITO layer in the light tight district of ultraviolet light in the array base palte side seal frame glue dispensing area, and the ITO layer of the ultraviolet light photic zone in the array base palte side seal frame glue dispensing area removed.
7. according to the manufacturing approach of the said a kind of liquid crystal indicator of claim 6, it is characterized in that: the distance of the common signal metal trace layer of indentation array base palte side is greater than 1 micron in the said ITO layer.
8. according to the manufacturing approach of the said a kind of liquid crystal indicator of claim 6, it is characterized in that: the step of the method for the said ITO of removing layer for carrying out film forming, exposure, development, etching and peel off successively.
9. the manufacturing approach of a liquid crystal indicator; Said liquid crystal indicator comprises array base palte and the color membrane substrates that is oppositely arranged; On said array base palte or color membrane substrates, scribble envelope frame glue; It is characterized in that: when solidifying envelope frame glue from color membrane substrates side irradiating ultraviolet light, all or part of the removing of ITO layer in the color membrane substrates side seal frame glue dispensing area.
10. according to the manufacturing approach of the said a kind of liquid crystal indicator of claim 9, it is characterized in that: the step of the method for the said ITO of removing layer for carrying out film forming, exposure, development, etching and peel off successively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103468170A CN102508379A (en) | 2011-11-07 | 2011-11-07 | Liquid crystal display device and method for manufacturing same |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011103468170A CN102508379A (en) | 2011-11-07 | 2011-11-07 | Liquid crystal display device and method for manufacturing same |
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| CN102508379A true CN102508379A (en) | 2012-06-20 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104333395A (en) * | 2014-10-23 | 2015-02-04 | 广东安居宝数码科技股份有限公司 | Display panel and manufacturing method thereof and interphone for building |
| CN105137664A (en) * | 2015-09-24 | 2015-12-09 | 南京中电熊猫液晶显示科技有限公司 | Array substrate |
| CN105388671A (en) * | 2015-12-17 | 2016-03-09 | 武汉华星光电技术有限公司 | Liquid crystal display panel and frame adhesive curing method thereof |
| CN105739166A (en) * | 2016-04-20 | 2016-07-06 | 昆山龙腾光电有限公司 | Liquid crystal display module and liquid crystal display device |
| WO2016197965A1 (en) * | 2015-06-11 | 2016-12-15 | 东莞三星视界有限公司 | Photocuring device for display screen and photocuring method for display screen |
| WO2018145474A1 (en) * | 2017-02-10 | 2018-08-16 | 京东方科技集团股份有限公司 | Display panel and display device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104333395A (en) * | 2014-10-23 | 2015-02-04 | 广东安居宝数码科技股份有限公司 | Display panel and manufacturing method thereof and interphone for building |
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| CN105739166A (en) * | 2016-04-20 | 2016-07-06 | 昆山龙腾光电有限公司 | Liquid crystal display module and liquid crystal display device |
| CN105739166B (en) * | 2016-04-20 | 2020-02-21 | 昆山龙腾光电股份有限公司 | Liquid crystal display module and liquid crystal display device |
| WO2018145474A1 (en) * | 2017-02-10 | 2018-08-16 | 京东方科技集团股份有限公司 | Display panel and display device |
| US10578928B2 (en) | 2017-02-10 | 2020-03-03 | Boe Technology Group Co., Ltd. | Display panel and display device |
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Application publication date: 20120620 |