CN102225841A - Manufacture method for cutting liquid crystal display panel - Google Patents
Manufacture method for cutting liquid crystal display panel Download PDFInfo
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- CN102225841A CN102225841A CN2011101719259A CN201110171925A CN102225841A CN 102225841 A CN102225841 A CN 102225841A CN 2011101719259 A CN2011101719259 A CN 2011101719259A CN 201110171925 A CN201110171925 A CN 201110171925A CN 102225841 A CN102225841 A CN 102225841A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
- Y02P40/57—Improving the yield, e-g- reduction of reject rates
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Abstract
The invention discloses a manufacture method for cutting a liquid crystal display panel. A mode of chemical thinning liquid thinning glass is used for thinning a cutting frame of the liquid crystal display panel, a diamond grinding head is used for reconditioning a cutting plane, the reconditioned section is blocked by an epoxy resin, and edge sealing is performed by a metal film. The section cut by the method has the advantages of smooth flat, no stress and difficult cracking, and is capable of manufacturing the panels with any section shapes, wherein the thickness of the edge sealing glue-line is less than 0.2mm, thereby an ultra-narrow seam spliced screen with the width of seam-line of less than 1mm can be manufactured.
Description
Technical field
The present invention relates to a kind of cutting manufacture method of display panels, especially at cutting manufacture method with the standard size liquid crystal display transformation of the way becoming off-standard size liquid crystal display.
Background technology
Liquid crystal panel generally adopts the matrix-scanning mode, determines that its display area is a rectangle.The wide high proportion of its screen size of volume production liquid crystal panel has only several standard specificationss such as 4:3 and 16:9,16:10 etc.,
Demonstration to purposes such as Medical Instruments, radar indication, polar coordinates demonstration, high-resolution electronic chart and indicating meters usually needs the liquid-crystal display with some special shapes.Existing finished fluid crystal panel edge sealing frame is all more roomy, can't use as the liquid crystal-spliced screen in super narrow limit.
Utilizing the further process and remould of panel of existing geomery to become the special shape panel is in the art important topic.Become a reality with super narrow frame liquid crystal display and utilize standing crops product liquid crystal display to make mosaic screen.
In the prior art, the cutting mode of display panels being divided into two kinds substantially, is respectively laser cutting method and cut mechanically method.
As publication number is CN1632671, the Chinese patent literature that open day is on June 29th, 2005 discloses a kind of active matrix liquid crystal display with special aspect ratio and laser cutting manufacture method thereof, it need not to throw huge fund and gets final product direct production square or other nonstandard percentage of T FT liquid-crystal display, made full use of mass-produced in the market, the TFT-LCD of commercial rectangular screen (4: 3 or 16: 9), on original basis, by decomposing, the location, cutting, brisement, shutoff, steps such as connection shaping can produce square or other orthogonal TFT-LCD.
As publication number is CN1632686, and it is 1: 1 the square or the nonstandard size Thin Film Transistor-LCD and the cut mechanically manufacture method thereof of other arbitrary proportion that the Chinese patent literature that open day is on June 29th, 2005 discloses a kind of long-width ratio.It need not to throw huge fund and gets final product direct production square or other nonstandard percentage of T FT liquid-crystal display, made full use of the TFT-LCD of mass-produced in the market, commercial rectangular screen (4: 3 or 16: 9), on original basis, can process square or other orthogonal TFT-LCD by steps such as decomposition, location, line, brisement, shutoff, connection shapings.
The CN1632671 patent is can obtain square or other orthogonal liquid crystal panel by steps such as brisements after the laser cutting; The CN1632686 patent is that Buddha's warrior attendant break bar scribing machine obtains square or other orthogonal liquid crystal panel; There is following shortcoming in these two kinds of prior aries:
Adopt the liquid crystal panel edge behind the above dual mode cutting splitting coarse, the piece width that can cause like this cutting screen increases; In addition, laser and diamond scribing mode not only produce meridional stress, and produce transvrsal stress simultaneously, and wherein transvrsal stress can cause substrate breakage; Above-mentioned two kinds of cutting modes all need to peel off polaroid, employing be the sliver technology, can only get the collinear cutting edge.
Summary of the invention
For solving the problems of the technologies described above, the present invention proposes a kind of cutting manufacture method of display panels, adopt present method cutting section smooth smooth, unstressed being difficult for breaks, can make the panel of arbitrary cross-section shape, and the edge sealing adhesive layer thickness can be used for making the super narrow piece mosaic screen of piece width less than 1mm less than 0.2mm.
The present invention realizes by adopting following technical proposals:
A kind of cutting manufacture method of display panels is characterized in that step comprises:
A, disassemble, separate the LCD panel:
From liquid-crystal display, disassemble out LCD panel plate;
B, pasting protective film: on the polaroid of LCD panel both sides, respectively paste one deck plastic protective film for plastics;
C, location: by the requirement of institute's cut lengths, cook up the sideline position of LCD panel, and remove the polaroid of the coated with protective film that will cut, obtain required protection zone of chemical reduction and non-protection area territory in the both sides of LCD panel along cut direction;
D, attenuate: chemical reduction liquid is put in the non-protection area territory of the LCD panel of c step gained, regulated the attenuate degree, obtain the cutting zone that thickness is 0.1～0.2mm, take out LCD panel and flushing, oven dry by period length;
E, sliver: with the sliver machine part that will cut on the LCD panel is fractureed, finish cutting to display panels.
The present invention further technical scheme is to also have after the e step:
F, edging: adopt edge polisher that the LCD panel is carried out edging, the section that specifically adopts the diamond wheel doubling to have no progeny carries out reconditioning, and diamond wheel grinds the 0.1～0.2mm thickness area behind the LCD panel attenuate.
The present invention further technical scheme is to also have after the f step:
G, film edge sealing: fracture place of LCD panel is carried out shutoff with the section of Resins, epoxy after to edging, and use the metallic film edge sealing.
H, connect to be shaped, the LCD panel behind the edge sealing is packed in the associated module, promptly get active matrix liquid crystal display with special aspect ratio.
Described polaroid protective film is the currently available products of this area.
In the described c step, be to adopt engraving machine to remove the part that will cut.
In the described d step, said chemical reduction liquid is the universal product of this area, is 200810056263 flat glass substrate attenuation etching liquids that adopted as the glass thinning liquid or the patent No..
In the described d step, the temperature maintenance of chemical reduction liquid is at 50 degrees centigrade.
In the described d step, adopt the mode of bubbling to stir described chemical reduction liquid.
Described f step is more particularly: the LCD panel is placed on the glass edge-grinding machine locate, determined the diamond abrasive tool track route; The section of having no progeny with the diamond wheel doubling carries out reconditioning, and diamond abrasive tool grinds 0.1～0.2mm thickness area behind the LCD panel attenuate from the limit of vertically walking of cutting edge.
Compared with prior art, the beneficial effect that the present invention reached is as follows:
1, the technical scheme that adopts the a-e step to form, its core is to adopt chemical reduction liquid to come the part that fractures and need cut behind the attenuate LCD face glass, compare with existing mechanical or laser cutting method, section is Paint Gloss smooth, can not produce transvrsal stress, make the substrate of cutting be difficult for producing transverse crack, improved yield rate; Need not peel off polaroid in the cutting process, reduce cutting cost, can cut out the cutting edge of many curved surfaces, make the abnormity screen.In the technical program implementation process, do not adopt accurate expensive XY machine-walking device, very low cutting technique cost is arranged.
2, among the present invention, after the e step, also have the f step, promptly adopt edge polisher that the LCD panel is carried out edging,, can influence the thickness and the intensity of sealing-in because the glass breakage edge has trickle burr.So use diamond abrasive tool reconditioning edge, to reach smooth slick sealing-in limit.Be noted that especially diamond abrasive tool must grind the LCD panel along the limit of vertically walking of cutting edge, compare with existing " laser and diamond scribing mode not only produce meridional stress; and produce transvrsal stress simultaneously; wherein transvrsal stress can cause substrate breakage ", because the setting of such lapping mode, can not produce transvrsal stress and the vibration force that influences the thick above-below direction of LCD panel box, can obtain smooth smooth sealing-in edge.
3, among the present invention, adopt the g step, fracture place of LCD panel is carried out shutoff with the section of Resins, epoxy after to edging, and use the metallic film edge sealing, use this step in whole technical proposal.Owing to adopt the metallic film edge sealing, can stop aqueous vapor by the liquid crystal layer infiltration of Resins, epoxy in the LCD panel, improved the weathering resistance and the physical strength on sealing-in limit.Simultaneously, adopt the technology of this metallic film edge sealing, significantly reduced the thickness of sealing ring epoxy resins, obtained the sealing-in limit of the following thickness of 0.2mm.
4, the technical scheme that adopts a-h step of the present invention to form, compared with prior art, section of the present invention is smooth smooth, and unstressed being difficult for breaks, and can make the panel of arbitrary cross-section shape.The edge sealing adhesive layer thickness can be used for making the super narrow piece mosaic screen of piece width less than 1mm less than 0.2mm.
5, among the present invention, the temperature maintenance of chemical reduction liquid is at 50 ℃, to accelerate the speed of chemical reduction liquid and glass reaction; Adopt the mode of bubbling to stir described chemical reduction liquid, play the effect of even attenuate.
Description of drawings
The present invention is described in further detail below in conjunction with specification drawings and specific embodiments, wherein:
Fig. 1 is the synoptic diagram that adopts the bubbling mode in the attenuate step
Fig. 2 is the synoptic diagram that adopts diamond wheel reconditioning section in the edging step
Fig. 3 is a film edge sealing step synoptic diagram
Mark among the figure:
1, LCD panel, 2, pressurized air, 3, chemical reduction liquid, 4, the LCD panel after fractureing, 5, diamond wheel, 6, glue-line, 7, metallic film.
Embodiment
The invention discloses a kind of cutting manufacture method of display panels, comprising:
A, disassemble, separate the LCD panel:
From liquid-crystal display, disassemble out LCD panel plate;
B, pasting protective film: on the polaroid of LCD panel both sides, respectively paste one deck plastic protective film for plastics;
C, location: by the requirement of institute's cut lengths, cook up the sideline position of LCD panel, and remove the polaroid of the coated with protective film that will cut, obtain required protection zone of chemical reduction and non-protection area territory in the both sides of LCD panel along cut direction;
D, attenuate: chemical reduction liquid is put in the non-protection area territory of the LCD panel of c step gained, regulated the attenuate degree, obtain the cutting zone that thickness is 0.1～0.2mm, take out LCD panel and flushing, oven dry by period length;
E, sliver: with the sliver machine part that will cut on the LCD panel is fractureed, finish cutting to display panels.
Wherein said polaroid protective film is the currently available products of this area.In the described c step, be to adopt engraving machine to remove the part that will cut.In the described d step, said chemical reduction liquid is the universal product of this area, is 200810056263 flat glass substrate attenuation etching liquids that adopted as the glass thinning liquid or the patent No..
Embodiment 2
As a better embodiment of the present invention, on the basis of embodiment 1, with reference to Figure of description 2, after the e step, also have: f, edging: the LCD panel is placed on the glass edge-grinding machine locate, determined the diamond abrasive tool track route; The section of having no progeny with the diamond wheel doubling carries out reconditioning, and diamond abrasive tool grinds 0.1～0.2mm thickness area behind the LCD panel attenuate from the limit of vertically walking of cutting edge.In the described d step, with reference to Figure of description 1, the temperature maintenance of chemical reduction liquid is at 50 degrees centigrade, and the mode of employing bubbling is stirred described chemical reduction liquid.
Embodiment 3
As preferred forms of the present invention, on the basis of embodiment 2,, after the f step, also have with reference to Figure of description 3:
G, film edge sealing: fracture place of LCD panel is carried out shutoff with the section of Resins, epoxy after to edging, and use the metallic film edge sealing.
H, connect to be shaped, the LCD panel behind the edge sealing is packed in the associated module, promptly get active matrix liquid crystal display with special aspect ratio.
One side of indicating meter or adjacent both sides are cutting edge, are packaged with sealing compound on the cutting edge.Its sealing compound is respectively with composition indicating meter upper polarizer, top glass substrate, liquid crystal material, lower glass substrate, polaroid contacts down.
Claims (7)
1. the cutting manufacture method of a display panels is characterized in that step comprises:
A, disassemble, separate the LCD panel:
From liquid-crystal display, disassemble out LCD panel plate;
B, pasting protective film: on the polaroid of LCD panel both sides, respectively paste one deck plastic protective film for plastics;
C, location: by the requirement of institute's cut lengths, cook up the sideline position of LCD panel, and remove the polaroid of the coated with protective film that will cut, obtain required protection zone of chemical reduction and non-protection area territory in the both sides of LCD panel along cut direction;
D, attenuate: chemical reduction liquid is put in the non-protection area territory of the LCD panel of c step gained, regulated the attenuate degree, obtain the cutting zone that thickness is 0.1～0.2mm, take out LCD panel and flushing, oven dry by period length;
E, sliver: with the sliver machine part that will cut on the LCD panel is fractureed, finish cutting to display panels.
2. the cutting manufacture method of a kind of display panels according to claim 1 is characterized in that: also have after the e step:
F, edging: adopt edge polisher that the LCD panel is carried out edging, the section that specifically adopts the diamond wheel doubling to have no progeny carries out reconditioning, and diamond wheel grinds the 0.1～0.2mm thickness area behind the LCD panel attenuate.
3. the cutting manufacture method of a kind of display panels according to claim 2 is characterized in that: also have after the f step:
G, film edge sealing: fracture place of LCD panel is carried out shutoff with the section of Resins, epoxy after to edging, and use the metallic film edge sealing.
4. the cutting manufacture method of a kind of display panels according to claim 1 is characterized in that: also have after the g step:
H, connect to be shaped, the LCD panel behind the edge sealing is packed in the associated module, promptly get active matrix liquid crystal display with special aspect ratio.
5. the cutting manufacture method of a kind of display panels according to claim 1 is characterized in that: also have after the e step: in the described d step, the temperature maintenance of chemical reduction liquid is at 50 degrees centigrade.
6. a kind of cutting manufacture method of display panels according to claim 1 or 5 is characterized in that: also have after the e step: in the described d step, adopt the mode of bubbling to stir described chemical reduction liquid.
7. the cutting manufacture method of a kind of display panels according to claim 2 is characterized in that: also have after the e step: described f step more particularly: the LCD panel placed on the glass edge-grinding machine locatees, determined the diamond abrasive tool track route; The section of having no progeny with the diamond wheel doubling carries out reconditioning, and diamond abrasive tool grinds 0.1～0.2mm thickness area behind the LCD panel attenuate from the limit of vertically walking of cutting edge.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011101719259A CN102225841B (en) | 2011-06-24 | 2011-06-24 | Manufacture method for cutting liquid crystal display panel |
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| CN2011101719259A CN102225841B (en) | 2011-06-24 | 2011-06-24 | Manufacture method for cutting liquid crystal display panel |
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| CN102225841A true CN102225841A (en) | 2011-10-26 |
| CN102225841B CN102225841B (en) | 2013-06-05 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106571309A (en) * | 2016-10-27 | 2017-04-19 | 江西沃格光电股份有限公司 | Flat panel display (FPD) processing method |
| CN106896536A (en) * | 2017-01-24 | 2017-06-27 | 北海星沅电子科技有限公司 | A kind of liquid crystal display panel cutting method |
| CN107443008A (en) * | 2017-09-28 | 2017-12-08 | 中交二航局第四工程有限公司 | A kind of safe cutting method with internal force steel construction |
| CN108623180A (en) * | 2018-06-01 | 2018-10-09 | 惠晶显示科技（苏州）有限公司 | A kind of cutting method of panel display board |
| CN108975672A (en) * | 2018-08-31 | 2018-12-11 | 东莞市银泰玻璃有限公司 | A kind of cutting edge coating process of glass |
| CN110858034A (en) * | 2018-08-22 | 2020-03-03 | 群创光电股份有限公司 | Electronic device and method for manufacturing the same |
| WO2020113885A1 (en) * | 2018-12-04 | 2020-06-11 | 武汉华星光电半导体显示技术有限公司 | Film layer structure for display apparatus |
| CN113281932A (en) * | 2021-05-28 | 2021-08-20 | 深圳市新世纪拓佳光电技术有限公司 | TFT-LCD (thin film transistor-liquid crystal display) full-screen cutting strength improving method |
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| US20020118321A1 (en) * | 1998-03-12 | 2002-08-29 | Shichao Ge | Seamless tiled active matrix liquid crystal display |
| CN1632686A (en) * | 2004-12-28 | 2005-06-29 | 中国电子科技集团公司第五十五研究所 | Thin film transistor liquid crystal display and machine cutting and manufacturing method therefor |
| CN1632687A (en) * | 2004-12-28 | 2005-06-29 | 中国电子科技集团公司第五十五研究所 | Nonstandard size active matrix liquid crystal display and grinding manufacturing method therefor |
| CN1632671A (en) * | 2004-12-28 | 2005-06-29 | 中国电子科技集团公司第五十五研究所 | Active matrix liquid crystal display with special aspect ratio and laser cutting and manufacturing method therefor |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US20020118321A1 (en) * | 1998-03-12 | 2002-08-29 | Shichao Ge | Seamless tiled active matrix liquid crystal display |
| CN1632686A (en) * | 2004-12-28 | 2005-06-29 | 中国电子科技集团公司第五十五研究所 | Thin film transistor liquid crystal display and machine cutting and manufacturing method therefor |
| CN1632687A (en) * | 2004-12-28 | 2005-06-29 | 中国电子科技集团公司第五十五研究所 | Nonstandard size active matrix liquid crystal display and grinding manufacturing method therefor |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106571309B (en) * | 2016-10-27 | 2019-11-05 | 江西沃格光电股份有限公司 | Flat-panel monitor processing method |
| CN106571309A (en) * | 2016-10-27 | 2017-04-19 | 江西沃格光电股份有限公司 | Flat panel display (FPD) processing method |
| CN106896536A (en) * | 2017-01-24 | 2017-06-27 | 北海星沅电子科技有限公司 | A kind of liquid crystal display panel cutting method |
| CN106896536B (en) * | 2017-01-24 | 2019-10-29 | 星源电子科技(深圳)有限公司 | A kind of liquid crystal display panel cutting method |
| CN107443008A (en) * | 2017-09-28 | 2017-12-08 | 中交二航局第四工程有限公司 | A kind of safe cutting method with internal force steel construction |
| CN107443008B (en) * | 2017-09-28 | 2019-12-31 | 中交二航局第四工程有限公司 | Safe cutting method for steel structure with internal force |
| CN108623180A (en) * | 2018-06-01 | 2018-10-09 | 惠晶显示科技（苏州）有限公司 | A kind of cutting method of panel display board |
| CN110858034A (en) * | 2018-08-22 | 2020-03-03 | 群创光电股份有限公司 | Electronic device and method for manufacturing the same |
| CN110858034B (en) * | 2018-08-22 | 2023-03-28 | 群创光电股份有限公司 | Electronic device and method for manufacturing the same |
| CN108975672A (en) * | 2018-08-31 | 2018-12-11 | 东莞市银泰玻璃有限公司 | A kind of cutting edge coating process of glass |
| CN108975672B (en) * | 2018-08-31 | 2021-04-09 | 东莞市银泰玻璃有限公司 | Glass cutting edge coating process |
| WO2020113885A1 (en) * | 2018-12-04 | 2020-06-11 | 武汉华星光电半导体显示技术有限公司 | Film layer structure for display apparatus |
| CN113281932A (en) * | 2021-05-28 | 2021-08-20 | 深圳市新世纪拓佳光电技术有限公司 | TFT-LCD (thin film transistor-liquid crystal display) full-screen cutting strength improving method |
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