CN103018968A - Method for curing seal agent - Google Patents
Method for curing seal agent Download PDFInfo
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- CN103018968A CN103018968A CN2012105371530A CN201210537153A CN103018968A CN 103018968 A CN103018968 A CN 103018968A CN 2012105371530 A CN2012105371530 A CN 2012105371530A CN 201210537153 A CN201210537153 A CN 201210537153A CN 103018968 A CN103018968 A CN 103018968A
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Abstract
The invention discloses a method for curing a seal agent. Before the seal agent is cured by ultraviolet rays, a non-transparent film is formed at the ultraviolet ray incidence side of a liquid crystal panel so as to replace a traditional ultraviolet ray mask. The non-transparent film is at least provided with a hollow structure which is opposite to the position of the seal agent; the ultraviolet rays can be irradiated to the seal agent at a specific angle through the hollow structure which is opposite to the position of the seal agent to realize a process for curing the seal agent. As the non-transparent film is directly formed on the liquid crystal panel, and no gaps exist between the non-transparent film and the liquid crystal panel, the phenomenon that the ultraviolet rays skew in the horizontal direction due to the distance from the ultraviolet ray mask to the liquid crystal panel can be eliminated; the total skewing amount in the horizontal direction when the ultraviolet rays are emitted into the liquid crystal panel from the ultraviolet ray mask is reduced; the possibility that display is abnormal due to the fact that the ultraviolet rays are irradiated to an effective display area is prevented, and the design difficulty of a narrow-border liquid crystal panel is lowered. Moreover, the ultraviolet ray mask is replaced by adopting the non-transparent film, so that the cost of the ultraviolet ray mask can be saved.
Description
Technical field
The present invention relates to liquid crystal module and make the field, relate in particular to a kind of curing of sealed plastic box.
Background technology
At present, the concrete steps of liquid crystal display molding process are: at first, use frame enclosing gum coating apparatus to apply sealed plastic box around a glass substrate; Then, use the injection method (ODF, One Drop Fill) that drips to drip liquid crystal in another glass substrate central authorities; Afterwards, vacuum abutted two glass substrates namely carry out box technique; At last, carrying out sealed plastic box solidifies: with ultraviolet light (UV, Ultraviolet Rays) short irradiation makes sealed plastic box partly solidified, put into the photosensitive composition that further solidifies in the UV curing room in the sealed plastic box, in high temperature furnace, uncured sealed plastic box is solidified fully at last, thereby finish molding process.
Wherein, schematic diagram when sealed plastic box is carried out ultraviolet light polymerization, as shown in Figure 1, at liquid crystal panel sensitive surface (for example the tft array substrate among Fig. 1 is sensitive surface) ultraviolet light mask plate (UV Mask) is set, in order to prevent that UV Mask from crossing near apart from liquid crystal panel and the scuffing liquid crystal panel, when practical operation, general provision UV Mask and liquid crystal panel should remain on the above distance of 2mm.And the radiation modality of ultraviolet light generally adopts the oblique fire formula, and namely as shown in Figure 1, the irradiating angle of ultraviolet light is general to have certain angular deflection with vertical direction, be generally 15 spend about.
In the liquid crystal panel of Wide frame, effective display area territory (the A-A of liquid crystal panel, Active Area) distant with sealed plastic box, as shown in Figure 1, when the mode that adopts the above-mentioned UV of utilization Mask is solidified sealed plastic box, ultraviolet light can shine sealed plastic box fully, and can not shine the A-A intra-zone.
But, in the design of the liquid crystal panel of narrow frame, the effective display area territory of liquid crystal panel and the close together of sealed plastic box, as shown in Figure 2, when the mode that adopts the above-mentioned UV of utilization Mask is solidified sealed plastic box, because ultraviolet light has the emission angle with respect to vertical offset 15 degree, can cause by the distance from UV Mask to liquid crystal panel and cause ultraviolet light the first side-play amount in the horizontal direction, shown in Fig. 3 a, and because the inner caused ultraviolet light of spacing of liquid crystal panel the second side-play amount in the horizontal direction, shown in Fig. 3 b.Take the distance from UV Mask to liquid crystal panel as 2mm as example explanation in Fig. 3 a, in Fig. 3 b take the inner spacing of liquid crystal panel as 1.78mm as the example explanation, can find out, ultraviolet light shines liquid crystal panel inside from shining, altogether be offset in the horizontal direction 0.54mm+0.48mm=1.02mm, ultraviolet light skew in the horizontal direction can make ultraviolet lighting be mapped to the A-A intra-zone, thereby the periphery that causes the effective display area territory of liquid crystal panel shows unusual; Simultaneously, be not irradiated to should being understood some by the sealed plastic box that ultraviolet lighting is mapped to, so that the sealed plastic box solidification effect is bad, can cause the envelope frame to hold the problems such as limit (Seal Open) or liquid crystal leakage (LC Leakage).
Therefore, how in the situation that do not affect the effective display area territory, the sealed plastic box of effectively solidifying narrow frame liquid crystal panel is the technical matters that those skilled in the art need solution badly.
Summary of the invention
The embodiment of the invention provides a kind of curing of sealed plastic box, solidifies in order to the sealed plastic box that realizes narrow frame liquid crystal panel.
The curing of a kind of sealed plastic box that the embodiment of the invention provides comprises:
Ultraviolet light light incident side at liquid crystal panel forms opaque film, and described opaque film has the engraved structure relative with described sealed plastic box position at least;
Described ultraviolet light shines described sealed plastic box with default angle of inclination from the described opaque film engraved structure relative with described sealed plastic box position, carries out the sealed plastic box curing process.
The beneficial effect of the embodiment of the invention comprises:
The curing of a kind of sealed plastic box that the embodiment of the invention provides, before the ultraviolet light polymerization sealed plastic box, ultraviolet light light incident side at liquid crystal panel forms opaque film, to replace existing ultraviolet light mask plate, this light tight film has the engraved structure relative with the sealed plastic box position at least, ultraviolet light can shine sealed plastic box by this engraved structure relative with the sealed plastic box position with certain angle, realizes the sealed plastic box curing process.Because opaque film is formed directly on the liquid crystal panel, very close to each other between the two, like this, can eliminate the caused ultraviolet light of the distance skew in the horizontal direction from the ultraviolet light mask plate to liquid crystal panel, reduced ultraviolet light from being transmitted into liquid crystal panel in the horizontal direction skew total amount when inner, prevent from ultraviolet lighting to be mapped to the effective display area territory and caused showing unusual possibility, reduced the design difficulty of narrow frame liquid crystal panel.And, adopt opaque film to replace the ultraviolet light mask plate, can save the expense of ultraviolet mask plate, saved on the whole production cost.
Description of drawings
Fig. 1 is the schematic diagram when in the prior art sealed plastic box of normal liquid crystal panel being carried out ultraviolet light polymerization;
Fig. 2 is the schematic diagram when in the prior art sealed plastic box of narrow frame liquid crystal panel being carried out ultraviolet light polymerization;
Fig. 3 a is the schematic diagram of the ultraviolet light skew in the horizontal direction that distance causes from UV Mask to liquid crystal panel in the prior art;
Fig. 3 b is the schematic diagram of liquid crystal panel ultraviolet light that inner distance causes skew in the horizontal direction in the prior art;
The schematic flow sheet of the sealed plastic box curing that Fig. 4 provides for the embodiment of the invention;
Schematic diagram when the sealed plastic box to narrow frame liquid crystal panel that Fig. 5 provides for the embodiment of the invention is carried out ultraviolet light polymerization.
Embodiment
Below in conjunction with accompanying drawing, the embodiment of the curing of the sealed plastic box that the embodiment of the invention is provided is described in detail.
Each layer film and the area size shape true ratio of anti-liquid crystal panel not in the accompanying drawing, purpose be signal explanation content of the present invention just.
The curing of a kind of sealed plastic box that the embodiment of the invention provides as shown in Figure 4, specifically comprises the steps:
S401, form opaque film at the ultraviolet light light incident side of liquid crystal panel, this opaque film has the engraved structure relative with the sealed plastic box position at least;
S402, ultraviolet light carry out the sealed plastic box curing process with the default angle of inclination engraved structure that never transparent membrane is relative with sealed plastic box position irradiation sealed plastic box.
Particularly, this angle of inclination can be specially with respect to about vertical offset 15 degree.
Particularly, as shown in Figure 5, opaque film is the first spacing a near edge and the lateral separation between the sealed plastic box of sealed plastic box, and the distance between the effective display area territory of sealed plastic box and liquid crystal panel is the second spacing b, and the ratio of the first spacing a and the second spacing b is generally between 30%-70%.
The curing of the above-mentioned sealed plastic box that the embodiment of the invention provides, before the ultraviolet light polymerization sealed plastic box, ultraviolet light light incident side at liquid crystal panel forms opaque film, to replace existing ultraviolet light mask plate, this light tight film has the engraved structure relative with the sealed plastic box position at least, ultraviolet light can shine sealed plastic box by this engraved structure relative with the sealed plastic box position with certain angle, realizes the sealed plastic box curing process.Because opaque film is formed directly on the liquid crystal panel, very close to each other between the two, like this, can eliminate the caused ultraviolet light of the distance skew in the horizontal direction from the ultraviolet light mask plate to liquid crystal panel, it is the first side-play amount shown in Fig. 3 a, only there is the second side-play amount shown in Fig. 3 b, thereby reduced ultraviolet light from being transmitted into liquid crystal panel in the horizontal direction skew total amount when inner, prevent from ultraviolet lighting to be mapped to the effective display area territory and caused showing unusual possibility, reduced the design difficulty of narrow frame liquid crystal panel.And, adopt opaque film to replace the ultraviolet light mask plate, can save the expense of ultraviolet mask plate, saved on the whole production cost.
In the specific implementation, step S401 in the curing of the above-mentioned sealed plastic box that the embodiment of the invention provides, the opaque film that forms at liquid crystal panel can be the metallic film such as AlNd, Al, Mo etc., also can be the plastic sheeting such as PVC material etc., can also be resin film, not limit the concrete material of opaque film at this.
Particularly, the thickness of the metallic film of formation, resin film or plastic sheeting is generally at 0.1mm-0.2mm.
In the specific implementation, can form plastic sheeting by the mode that attaches, particularly, can adopt the manual mode that attaches, the mode that yet can adopt machine automatization to attach is not done restriction at this.
In the specific implementation, can form metallic film by the mode of evaporation, particularly, can and the preparation that technique realizes metallic film such as peel off by thin film deposition, exposure, development, etching, because above-mentioned technique belongs to prior art, not do detailed description at this.
Particularly, in the step S401 of the curing of the above-mentioned sealed plastic box that the embodiment of the invention provides, form opaque film at the ultraviolet light light incident side of liquid crystal panel, in the specific implementation, can be divided into following dual mode:
First kind of way: if the ultraviolet light light incident side is a side at tft array substrate place in the liquid crystal panel, then tft array substrate towards or dorsad a side of ultraviolet light form opaque film, particularly, Fig. 5 shows the schematic diagram that forms opaque film at tft array substrate towards a side of ultraviolet light.
After carrying out the sealed plastic box curing process, generally also need to peel off this opaque film, affect the normal operation in the effective display area territory of liquid crystal panel to prevent opaque film.
Preferably, when opaque film-shaped is formed in tft array substrate dorsad during ultraviolet light one side, this opaque film can also have the engraved structure relative with the position, effective display area territory of liquid crystal panel, namely this transparent membrane is at the effective display area territory of liquid crystal panel pattern-free, like this, after carrying out the sealed plastic box curing process, just do not need to peel off this opaque film.
In the specific implementation, be formed in tft array substrate dorsad during ultraviolet light one side at metallic film as opaque film-shaped, this metallic film can with tft array substrate in grid or source-drain electrode by the preparation of composition technique, namely the grid in this metallic film and the tft array substrate or source-drain electrode can be arranged with layer, like this, when the preparation tft array substrate, do not need to increase extra preparation section, can save preparation cost, the improving product added value.
The second way: if the ultraviolet light light incident side is a side at color membrane substrates place in the liquid crystal panel, then color membrane substrates towards or dorsad a side of ultraviolet light form opaque film.
After carrying out the sealed plastic box curing process, generally also need to peel off this opaque film, affect the normal operation in the effective display area territory of liquid crystal panel to prevent opaque film.
Preferably, when opaque film-shaped is formed in color membrane substrates dorsad during ultraviolet light one side, this opaque film can also have the engraved structure relative with the position, effective display area territory of liquid crystal panel, namely this transparent membrane is at the effective display area territory of liquid crystal panel pattern-free, like this, after carrying out the sealed plastic box curing process, just do not need to peel off this opaque film.
In the specific implementation, be formed in color membrane substrates dorsad during ultraviolet light one side at metallic film or resin film as opaque film-shaped, this metallic film or resin film can with color membrane substrates in black matrix by the preparation of composition technique, namely the black matrix in this metallic film or resin film and the color membrane substrates can be arranged with layer, like this, when the preparation color membrane substrates, do not need to increase extra preparation section, can save preparation cost, the improving product added value.
The curing of a kind of sealed plastic box that the embodiment of the invention provides, before the ultraviolet light polymerization sealed plastic box, ultraviolet light light incident side at liquid crystal panel forms opaque film, to replace existing ultraviolet light mask plate, this light tight film has the engraved structure relative with the sealed plastic box position at least, ultraviolet light can shine sealed plastic box by this engraved structure relative with the sealed plastic box position with certain angle, realizes the sealed plastic box curing process.Because opaque film is formed directly on the liquid crystal panel, very close to each other between the two, like this, can eliminate the caused ultraviolet light of the distance skew in the horizontal direction from the ultraviolet light mask plate to liquid crystal panel, reduced ultraviolet light from being transmitted into liquid crystal panel in the horizontal direction skew total amount when inner, prevent from ultraviolet lighting to be mapped to the effective display area territory and caused showing unusual possibility, reduced the design difficulty of narrow frame liquid crystal panel.And, adopt opaque film to replace the ultraviolet light mask plate, can save the expense of ultraviolet mask plate, saved on the whole production cost.
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 (11)
1. the curing of a sealed plastic box is characterized in that, comprising:
Ultraviolet light light incident side at liquid crystal panel forms opaque film, and described opaque film has the engraved structure relative with described sealed plastic box position at least;
Described ultraviolet light shines described sealed plastic box with default angle of inclination from the described opaque film engraved structure relative with described sealed plastic box position, carries out the sealed plastic box curing process.
2. curing as claimed in claim 1, it is characterized in that, described opaque film is the first spacing near edge and the lateral separation between the described sealed plastic box of sealed plastic box, distance between the effective display area territory of described sealed plastic box and liquid crystal panel is the second spacing, and the ratio of described the first spacing and described the second spacing is 30%-70%.
3. curing as claimed in claim 1 is characterized in that, forms opaque film at the ultraviolet light light incident side of liquid crystal panel, specifically comprises:
Described ultraviolet light light incident side is a side at tft array substrate place in the described liquid crystal panel, described tft array substrate towards or dorsad a side of ultraviolet light form opaque film;
Described ultraviolet light light incident side is a side at color membrane substrates place in the described liquid crystal panel, described color membrane substrates towards or dorsad a side of ultraviolet light form opaque film.
4. curing as claimed in claim 3, it is characterized in that, when described opaque film-shaped is formed in tft array substrate or color membrane substrates dorsad during ultraviolet light one side, described opaque film also has the engraved structure relative with the position, effective display area territory of liquid crystal panel.
5. curing as claimed in claim 3 is characterized in that, after carrying out the sealed plastic box curing process, also comprises: peel off described opaque film.
6. such as each described curing of claim 1-5, it is characterized in that, described opaque film is specially metallic film, resin film or plastic sheeting.
7. curing as claimed in claim 6 is characterized in that, the thickness of described metallic film, resin film or plastic sheeting is 0.1mm-0.2mm.
8. curing as claimed in claim 6 is characterized in that, forms described plastic sheeting by the mode that attaches.
9. curing as claimed in claim 6 is characterized in that, the mode by evaporation forms described metallic film.
10. curing as claimed in claim 9 is characterized in that, is formed at tft array substrate dorsad during ultraviolet light one side at described metallic film, and the grid in described metallic film and the tft array substrate or source-drain electrode are by a composition technique preparation;
Be formed at color membrane substrates dorsad during ultraviolet light one side at described metallic film or described resin film, the black matrix in described metallic film or described resin film and the color membrane substrates is by a composition technique preparation.
11. such as each described curing of claim 1-5, it is characterized in that, described angle of inclination is specially with respect to vertical offset 15 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210537153.0A CN103018968B (en) | 2012-12-12 | 2012-12-12 | Method for curing seal agent |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210537153.0A CN103018968B (en) | 2012-12-12 | 2012-12-12 | Method for curing seal agent |
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| CN103018968A true CN103018968A (en) | 2013-04-03 |
| CN103018968B CN103018968B (en) | 2015-05-13 |
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| CN201210537153.0A Expired - Fee Related CN103018968B (en) | 2012-12-12 | 2012-12-12 | Method for curing seal agent |
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Cited By (12)
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| CN103293743A (en) * | 2013-06-03 | 2013-09-11 | 京东方科技集团股份有限公司 | Manufacturing method of display screen |
| CN103927941A (en) * | 2013-12-23 | 2014-07-16 | 上海天马有机发光显示技术有限公司 | Display device and manufacturing method thereof |
| CN104635392A (en) * | 2015-01-22 | 2015-05-20 | 上海天马微电子有限公司 | Array substrate, manufacturing method of array substrate and display panel |
| CN105172324A (en) * | 2015-09-24 | 2015-12-23 | 京东方科技集团股份有限公司 | Screen printing plate and printing method for frame sealing adhesives |
| CN105549275A (en) * | 2016-03-01 | 2016-05-04 | 京东方科技集团股份有限公司 | Display panel, fabrication method thereof and display device |
| WO2016106885A1 (en) * | 2014-12-31 | 2016-07-07 | 深圳市华星光电技术有限公司 | Liquid crystal panel and method for curing frame gel |
| CN106200139A (en) * | 2016-09-29 | 2016-12-07 | 京东方科技集团股份有限公司 | Sealant composition, display floater to be solidified, solidification equipment, display floater |
| CN106929797A (en) * | 2017-03-23 | 2017-07-07 | 京东方科技集团股份有限公司 | Vacuum evaporation mask, mask preparation method and evaporation pattern |
| US9726936B2 (en) | 2014-06-23 | 2017-08-08 | Boe Technology Group Co., Ltd. | Liquid crystal display panel and method for preparing the same, and display device |
| CN107732028A (en) * | 2017-09-14 | 2018-02-23 | 合肥惠科金扬科技有限公司 | A kind of preparation method of AMOLED display screens |
| CN109375409A (en) * | 2018-12-20 | 2019-02-22 | 上海天马微电子有限公司 | Liquid crystal display panel, manufacturing method thereof and display device |
| CN110196508A (en) * | 2019-05-30 | 2019-09-03 | 京东方科技集团股份有限公司 | A kind of display panel and preparation method thereof, display device |
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| WO2014194634A1 (en) * | 2013-06-03 | 2014-12-11 | 京东方科技集团股份有限公司 | Method for manufacturing display screen |
| CN103293743A (en) * | 2013-06-03 | 2013-09-11 | 京东方科技集团股份有限公司 | Manufacturing method of display screen |
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| CN104635392A (en) * | 2015-01-22 | 2015-05-20 | 上海天马微电子有限公司 | Array substrate, manufacturing method of array substrate and display panel |
| CN105172324A (en) * | 2015-09-24 | 2015-12-23 | 京东方科技集团股份有限公司 | Screen printing plate and printing method for frame sealing adhesives |
| CN105549275A (en) * | 2016-03-01 | 2016-05-04 | 京东方科技集团股份有限公司 | Display panel, fabrication method thereof and display device |
| CN106200139A (en) * | 2016-09-29 | 2016-12-07 | 京东方科技集团股份有限公司 | Sealant composition, display floater to be solidified, solidification equipment, display floater |
| CN106929797A (en) * | 2017-03-23 | 2017-07-07 | 京东方科技集团股份有限公司 | Vacuum evaporation mask, mask preparation method and evaporation pattern |
| CN106929797B (en) * | 2017-03-23 | 2019-04-19 | 京东方科技集团股份有限公司 | Vacuum evaporation exposure mask, exposure mask preparation method and vapor deposition pattern |
| CN107732028A (en) * | 2017-09-14 | 2018-02-23 | 合肥惠科金扬科技有限公司 | A kind of preparation method of AMOLED display screens |
| CN109375409A (en) * | 2018-12-20 | 2019-02-22 | 上海天马微电子有限公司 | Liquid crystal display panel, manufacturing method thereof and display device |
| CN110196508A (en) * | 2019-05-30 | 2019-09-03 | 京东方科技集团股份有限公司 | A kind of display panel and preparation method thereof, display device |
| CN110196508B (en) * | 2019-05-30 | 2022-08-19 | 京东方科技集团股份有限公司 | Display panel, preparation method thereof and display device |
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| CN103018968B (en) | 2015-05-13 |
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