CN105759474A - Adhesive tape, attaching method thereof and display assembly - Google Patents

Adhesive tape, attaching method thereof and display assembly Download PDF

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Publication number
CN105759474A
CN105759474A CN201610340672.6A CN201610340672A CN105759474A CN 105759474 A CN105759474 A CN 105759474A CN 201610340672 A CN201610340672 A CN 201610340672A CN 105759474 A CN105759474 A CN 105759474A
Authority
CN
China
Prior art keywords
adhesive tape
mould release
release membrance
upper polaroid
attached
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201610340672.6A
Other languages
Chinese (zh)
Inventor
张子敬
李涛
梁栋
马少武
郑琪
毕谣
李成
周康迪
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BOE Technology Group Co Ltd
Beijing BOE Optoelectronics Technology Co Ltd
Original Assignee
BOE Technology Group Co Ltd
Beijing BOE Optoelectronics Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by BOE Technology Group Co Ltd, Beijing BOE Optoelectronics Technology Co Ltd filed Critical BOE Technology Group Co Ltd
Priority to CN201610340672.6A priority Critical patent/CN105759474A/en
Publication of CN105759474A publication Critical patent/CN105759474A/en
Pending legal-status Critical Current

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Classifications

    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/1303Apparatus specially adapted to the manufacture of LCDs

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  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Adhesive Tapes (AREA)
  • Adhesives Or Adhesive Processes (AREA)

Abstract

The embodiment of the invention provides adhesive tape, an attaching method thereof, and a display assembly, and relates to the technical field of display.The attaching production yield and production efficiency of the adhesive tape can be improved, and the production cost can be lowered.The adhesive tape is used for being attached to a display panel and a backlight source.An upper polaroid is arranged on the display panel, wherein one end of the adhesive tape is attached to the edge of the display panel and close to the upper polaroid, the other end of the adhesive tape is attached to the backlight source, and the adhesive tape comprises a release film and an adhesive layer which are stacked.The release film comprises a first part and a second part which are not connected.The adhesive tape can be used for being attached to the display panel and the backlight source.

Description

A kind of adhesive tape and attaching method, display module
Technical field
The present invention relates to Display Technique field, particularly relate to a kind of adhesive tape and attaching method, display module.
Background technology
Liquid crystal display module (LiquidCrystalDisplayModule in scale of mass production, be called for short LCM) production process in, wherein there is one procedure, the periphery at display module is needed to attach a kind of adhesive tape (CellTape), this adhesive tape is possible not only to reinforce the stability of display module, also have and prevent EMI (ElectroMagneticInterference, electromagnetic interference), reach electrostatic screen effect.Additionally, slotted for the black matrix in some display modules, to a certain extent, this adhesive tape is also prevented from light leak.
But, in process of production, owing to the attaching required precision of above-mentioned adhesive tape is higher, it is desirable to must carry out attaching work along upper polaroid (Polarizer is called for short POL) edge, it is impossible to attach on polaroid.But, as shown in Figure 1, adhesive tape includes mould release membrance 20 and glue-line 10, generally, on the thickness of glue-line 10 and glue-line 10, the thickness sum of mould release membrance 20 is substantially identical with the thickness of upper polaroid 30, thus, cause being attached to by adhesive tape in process of production on upper polaroid 30 as shown in Figure 2 just having accounted for very big ratio, so have a strong impact on the production yield that adhesive tape attaches, and the adhesive tape for being attached on upper polaroid 30 need to tear re-posted, so can cause that production cost increases, and reduces production efficiency.
Summary of the invention
Embodiments of the invention provide a kind of adhesive tape and attaching method, display module, can improve production yield and production efficiency that adhesive tape attaches, reduce production cost.
For reaching above-mentioned purpose, embodiments of the invention adopt the following technical scheme that
First aspect, it is provided that a kind of adhesive tape, is used for attaching display floater and backlight, described display floater is provided with polaroid;Wherein, one end of adhesive tape is attached to the edge of described display floater, and near described upper polaroid, the other end is attached on described backlight, and described adhesive tape includes mould release membrance and the glue-line of stacking;Described mould release membrance includes the Part I and the Part II that disconnect.
Preferably, the length of described Part I is 5mm~10mm.
Preferably, the thickness of described mould release membrance is 50 μm~100 μm.
Preferably, described Part I includes protuberance.
It is further preferred that described protuberance be shaped as triangle, rectangle, circular arc.
Second aspect, it is provided that a kind of display module, including display floater and backlight, described display floater is provided with polaroid, also includes above-mentioned adhesive tape;One end of described adhesive tape is attached to the edge of described display floater, and near described upper polaroid, the other end is attached on described backlight;Described adhesive tape Part I in the mould release membrance of one end of described upper polaroid is removed;Wherein, the thickness of upper polaroid is more than the thickness of described adhesive tape mesoglea.
Preferably, the thickness of described upper polaroid and the thickness difference of described glue-line are 50 μm~100 μm.
The third aspect, it is provided that the attaching method of a kind of above-mentioned adhesive tape, including: remove the Part I of mould release membrance in adhesive tape;One end of adhesive tape being attached to the edge of display floater, makes described Part I near upper polaroid, the other end is attached on backlight;Remove the Part II of mould release membrance in described adhesive tape.
The embodiment of the present invention provides a kind of adhesive tape and attaching method thereof, display module, when displaying the attaching of panel and backlight, due to mould release membrance Part I and what Part II was off, therefore when attaching, Part I first can be removed, such adhesive tape and upper polaroid will produce thickness difference, just accurately the adhesive tape of Part I will can be removed near upper polarizer sheet sticking according to this thickness difference, avoid being attached to by adhesive tape on upper polaroid, therefore improve the production yield that adhesive tape attaches, and, owing to can accurately attach, therefore production cost is reduced, improve production efficiency.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
The structural representation of a kind of adhesive tape that Fig. 1 provides for prior art;
Fig. 2 attaches to the structural representation of upper polaroid for a kind of adhesive tape that prior art provides;
Fig. 3 attaches the structural representation of display floater and backlight for a kind of adhesive tape that the embodiment of the present invention provides;
The structural representation one of a kind of adhesive tape that Fig. 4 provides for the embodiment of the present invention;
The structural representation two of a kind of adhesive tape that Fig. 5 provides for the embodiment of the present invention;
The schematic flow sheet of the attaching method of a kind of adhesive tape that Fig. 6 provides for the embodiment of the present invention.
Accompanying drawing labelling:
01-adhesive tape;10-glue-line;20-mould release membrance;201-Part I;202-Part II;203-protuberance;The upper polaroid of 30-;40-display floater;50-backlight;Polaroid under 60-.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of protection of the invention.
The embodiment of the present invention provides a kind of adhesive tape 01, as it is shown on figure 3, be used for attaching display floater 40 and backlight 50, display floater 40 is provided with polaroid 30;Wherein, one end of adhesive tape 01 is attached to the edge of display floater 40, and near upper polaroid 30, the other end is attached on backlight 50.
As shown in Figure 4, adhesive tape 01 includes mould release membrance 20 and the glue-line 10 of stacking, and mould release membrance 20 includes the Part I 201 and the Part II 202 that disconnect.
Herein, display floater 40 is additionally provided with lower polaroid 60.The effect of mould release membrance 20 is primarily to the glue-line 10 of protection lower floor, it is prevented that glue-line 10 is scraped off or contaminated.
It should be noted that first, the material for mould release membrance 20 is not defined, for instance, it is possible to it is polyphenylene oxide mould release membrance, politef mould release membrance, polyethylene mould release membrance or combined type mould release membrance etc..
Second, above-mentioned adhesive tape 01 is when displaying the attaching of panel 40 and backlight 50, and the glue-line 10 corresponding with the Part I 201 of mould release membrance 20 is near upper polaroid 30, and Part II 202 is away from upper polaroid 30.
For the length of Part I 201, at least it is ensured that after removing the Part I 201 of mould release membrance 20, when displaying the attaching of panel 40 and upper polaroid 30, it can be determined that go out the difference in height of upper polaroid 30 and glue-line 10.
3rd, for the thickness of mould release membrance 20, it should be ensured that after removing the Part I 201 of mould release membrance 20, the difference in height of upper polaroid 30 and glue-line 10 is enough to ensure that when attaching, and adhesive tape 01 will not attach on polaroid 30.
4th, the thickness of upper polaroid 30 and the thickness of adhesive tape 01 are close.
Example, it is described in detail for certain product, the thickness of upper polaroid 30 is 127 μm, and the thickness of glue-line 10 is 60 μm, and the thickness of mould release membrance 20 is 50 μm, and the thickness of adhesive tape 01 and the gross thickness of glue-line 10 and mould release membrance 20 are 110 μm.Now, the difference in height on upper polaroid 30 and mould release membrance 20 surface is 17 μm, and owing to upper polaroid 30 is less with the difference in height on mould release membrance 20 surface, therefore, in attaching process, adhesive tape 01 is very easy to attach on polaroid 30.And when attaching, first the Part I 201 of mould release membrance 20 is removed, now adhesive tape 01 i.e. glue-line 10 is 67 μm with the difference in height of upper polaroid 30.Owing to glue-line 10 and upper polaroid 30 have obvious difference in height, therefore, when attaching, it is possible to effectively prevent adhesive tape 01 from attaching on polaroid 30.
The embodiment of the present invention provides a kind of adhesive tape 01, when displaying the attaching of panel 40 and backlight 50, due to mould release membrance 20 Part I 201 and what Part II 202 was off, therefore when attaching, Part I 201 first can be removed, such adhesive tape 01 will produce thickness difference with upper polaroid 30, just can accurately the adhesive tape 01 removing Part I 201 be attached near upper polaroid 30 according to this thickness difference, avoid being attached to by adhesive tape 01 on upper polaroid 30, therefore improve the production yield that adhesive tape 01 attaches, and, owing to can accurately attach, therefore production cost is reduced, improve production efficiency.
Preferably, the length of Part I 201 is 5mm~10mm.
In the embodiment of the present invention, if the length of Part I 201 is too short in mould release membrance 20, after removing Part I 201, it is possible to be still not easy the thickness difference judging upper polaroid 30 with adhesive tape 01 mesoglea 10;If Part I 201 is oversize, after removing Part I 201, owing to glue-line 10 is soft, it is possible to can cause not easily attaching, it is preferred, therefore, that the length of Part I 201 is 5mm~10mm.
In the embodiment of the present invention, if mould release membrance 20 is too thin, then easily clot, and after removing Part I 201, the difference in height of upper polaroid 30 and glue-line 10 is still inconspicuous;If mould release membrance is too thick, then can cause that production cost increases.Thus preferred, the thickness of mould release membrance 20 is 50 μm~100 μm.
Preferably, as it is shown in figure 5, Part I 201 includes protuberance 203.
Wherein, the protuberance 203 shape arranging position and protuberance 203 on Part I 201 is not defined.
Adhesive tape 01 in the embodiment of the present invention is when displaying the attaching of panel and backlight, the Part I 201 of mould release membrance 20 needs to be removed, owing to Part I 201 includes protuberance 203, so just it is easily removed in adhesive tape 01 Part I 201, attach efficiency such that it is able to improve, and can avoid because Part II 202 is removed in error.
It is further preferred that protuberance 203 be shaped as triangle, rectangle, circular arc.
Herein, the shape of protuberance 203 can be triangle, rectangle, circular arc, but is not limited to above-mentioned shape.The shape of protuberance 203 can be arbitrary shape, as long as being easy to remove the Part I 201 of mould release membrance 20.
The embodiment of the present invention provides a kind of display module, as it is shown on figure 3, include display floater 40 and backlight 50, display floater 40 is provided with polaroid 30, also includes above-mentioned adhesive tape 01.
One end of adhesive tape 01 is attached to the edge of display floater 40, and near upper polaroid 30, the other end is attached on backlight 50;Adhesive tape 01 Part I 201 in the mould release membrance 20 of one end of upper polaroid 30 is removed;Wherein, the thickness of upper polaroid 30 is more than the thickness of adhesive tape 01 mesoglea 10.
Wherein, the adhesive tape 01 in display module is possible not only to reinforce the stability of display floater 40 and backlight 50, but also can have the effect of electrostatic screen.On this basis, for the display module of black matrix fluting in some display floaters 40, this adhesive tape 01 is also prevented from light leak.
Herein, utilizing adhesive tape 01 when displaying the attaching of panel 40 and backlight 50, the surrounding of display module is required for attaching adhesive tape 01, owing to the width of display floater 40 surrounding is likely to difference, thus when attaching, the length of the adhesive tape 01 of display floater 40 surrounding is likely to difference.
On this basis, after utilizing adhesive tape 01 display floater 40 and backlight 50 to be attached, remove the Part II of mould release membrance 20, continue display module is assembled, glue-line 10 meeting and housing contacts.
The embodiment of the present invention provides a kind of display module, when displaying the attaching of panel 40 and backlight 50, due in adhesive tape 01 mould release membrance 20 Part I 201 and what Part II 202 was off, therefore when attaching, Part I 201 first can be removed, such adhesive tape 01 will produce thickness difference with upper polaroid 30, just can accurately the adhesive tape 01 removing Part I 201 be attached near upper polaroid 30 according to this thickness difference, avoid being attached to by adhesive tape 01 on upper polaroid 30, therefore improve the production yield that adhesive tape 01 attaches, and, owing to can accurately attach, therefore production cost is reduced, improve production efficiency.
Preferably, the thickness of upper polaroid 30 and the thickness difference of glue-line 10 are 50 μm~100 μm.
If upper polaroid 30 is too little with the thickness difference of glue-line 10, it is possible to being not easily judged out, so when attaching, adhesive tape 01 is also possible to attach on polaroid 30, thus the thickness difference of the thickness of upper polaroid 30 and glue-line 10 is at least 50 μm.On this basis, the thickness of adhesive tape 01 is generally 150 μm, and the thickness of mould release membrance 20 is minimum is generally 50 μm, and it can be 100 μm that the thickness of such glue-line 10 is defecated most, thus preferably, the thickness of upper polaroid 30 and the thickness difference of glue-line 10 are 50 μm~100 μm.
The embodiment of the present invention also provides for the attaching method of a kind of above-mentioned adhesive tape 01, as shown in Figure 6, and including:
S100, remove the Part I 201 of mould release membrance 20 in adhesive tape 01.
Before the attaching displaying panel 40 and backlight 50, first the Part I 201 of mould release membrance 20 in adhesive tape 01 is removed.
S101, one end of adhesive tape 01 being attached to the edge of display floater 40, make Part I 201 near upper polaroid 30, the other end is attached on backlight 50.
Wherein, after getting rid of the Part I 201 of mould release membrance 20, owing to glue-line 10 and upper polaroid 30 have difference in height, therefore in attaching process, it is possible to prevent adhesive tape 01 from attaching on polaroid 30.
S102, remove the Part II 202 of mould release membrance 20 in adhesive tape 01.
Herein, after step S101 completes the attaching of adhesive tape 01, remove the Part II 202 of mould release membrance 20 in adhesive tape 01 to proceed display module to assemble, for instance package shell.
The embodiment of the present invention provides the attaching method of a kind of adhesive tape 01, when displaying the attaching of panel 40 and backlight 50, due to mould release membrance 20 Part I 201 and what Part II 202 was off, therefore when attaching, Part I 201 is first removed, such adhesive tape 01 will produce thickness difference with upper polaroid 30, just can accurately the adhesive tape 01 removing Part I 201 be attached near upper polaroid 30 according to this thickness difference, avoid being attached to by adhesive tape 01 on upper polaroid 30, therefore improve the production yield that adhesive tape 01 attaches, and, owing to can accurately attach, therefore production cost is reduced, improve production efficiency.
The above; being only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, any those familiar with the art is in the technical scope that the invention discloses; change can be readily occurred in or replace, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with described scope of the claims.

Claims (8)

1. an adhesive tape, is used for attaching display floater and backlight, described display floater is provided with polaroid;Wherein, one end of adhesive tape is attached to the edge of described display floater, and near described upper polaroid, the other end is attached on described backlight, it is characterised in that described adhesive tape includes mould release membrance and the glue-line of stacking;Described mould release membrance includes the Part I and the Part II that disconnect.
2. adhesive tape according to claim 1, it is characterised in that the length of described Part I is 5mm~10mm.
3. adhesive tape according to claim 1, it is characterised in that the thickness of described mould release membrance is 50 μm~100 μm.
4. adhesive tape according to claim 1, it is characterised in that described Part I includes protuberance.
5. adhesive tape according to claim 4, it is characterised in that described protuberance be shaped as triangle, rectangle, circular arc.
6. a display module, including display floater and backlight, described display floater is provided with polaroid, it is characterised in that also include the adhesive tape described in any one of claim 1-5;
One end of described adhesive tape is attached to the edge of described display floater, and near described upper polaroid, the other end is attached on described backlight;Described adhesive tape Part I in the mould release membrance of one end of described upper polaroid is removed;
Wherein, the thickness of upper polaroid is more than the thickness of described adhesive tape mesoglea.
7. display module according to claim 6, it is characterised in that the thickness of described upper polaroid and the thickness difference of described glue-line are 50 μm~100 μm.
8. the attaching method of the adhesive tape as described in any one of claim 1-5, it is characterised in that including:
Remove the Part I of mould release membrance in adhesive tape;
One end of adhesive tape being attached to the edge of display floater, makes described Part I near upper polaroid, the other end is attached on backlight;
Remove the Part II of mould release membrance in described adhesive tape.
CN201610340672.6A 2016-05-19 2016-05-19 Adhesive tape, attaching method thereof and display assembly Pending CN105759474A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610340672.6A CN105759474A (en) 2016-05-19 2016-05-19 Adhesive tape, attaching method thereof and display assembly

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610340672.6A CN105759474A (en) 2016-05-19 2016-05-19 Adhesive tape, attaching method thereof and display assembly

Publications (1)

Publication Number Publication Date
CN105759474A true CN105759474A (en) 2016-07-13

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111961417A (en) * 2020-07-07 2020-11-20 东风汽车底盘***有限公司 Wheel spraying finish paint shelters from sticky tape
CN112210314A (en) * 2020-09-22 2021-01-12 广东新时代新材料科技有限公司 Heat preservation blanket adhesive tape
CN113759588A (en) * 2021-09-13 2021-12-07 京东方科技集团股份有限公司 Adhesive tape and attaching method thereof
CN114415405A (en) * 2021-12-21 2022-04-29 武汉华星光电技术有限公司 Display device and manufacturing method thereof

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Publication number Priority date Publication date Assignee Title
JP2009025602A (en) * 2007-07-20 2009-02-05 Citizen Electronics Co Ltd Pressure-sensitive adhesive double coated tape for liquid crystal cell adhesion, backlight unit, liquid crystal display device and method for manufacturing liquid crystal display device
CN201722320U (en) * 2010-05-07 2011-01-26 苏州斯迪克电子胶粘材料有限公司 Double-side adhesive tape
CN203229488U (en) * 2013-04-26 2013-10-09 合肥京东方光电科技有限公司 Adhesive tape
CN104073186A (en) * 2014-07-15 2014-10-01 苏州工业园区宝优际通讯科技有限公司 Square glue fit structure and production technology thereof.
CN104832842A (en) * 2015-05-20 2015-08-12 合肥京东方光电科技有限公司 Rubber frame, backlight module and display device
CN104991302A (en) * 2015-06-27 2015-10-21 友达光电(苏州)有限公司 Polaroid, display apparatus and assembling method thereof, and touch control display apparatus

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009025602A (en) * 2007-07-20 2009-02-05 Citizen Electronics Co Ltd Pressure-sensitive adhesive double coated tape for liquid crystal cell adhesion, backlight unit, liquid crystal display device and method for manufacturing liquid crystal display device
CN201722320U (en) * 2010-05-07 2011-01-26 苏州斯迪克电子胶粘材料有限公司 Double-side adhesive tape
CN203229488U (en) * 2013-04-26 2013-10-09 合肥京东方光电科技有限公司 Adhesive tape
CN104073186A (en) * 2014-07-15 2014-10-01 苏州工业园区宝优际通讯科技有限公司 Square glue fit structure and production technology thereof.
CN104832842A (en) * 2015-05-20 2015-08-12 合肥京东方光电科技有限公司 Rubber frame, backlight module and display device
CN104991302A (en) * 2015-06-27 2015-10-21 友达光电(苏州)有限公司 Polaroid, display apparatus and assembling method thereof, and touch control display apparatus

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111961417A (en) * 2020-07-07 2020-11-20 东风汽车底盘***有限公司 Wheel spraying finish paint shelters from sticky tape
CN112210314A (en) * 2020-09-22 2021-01-12 广东新时代新材料科技有限公司 Heat preservation blanket adhesive tape
CN113759588A (en) * 2021-09-13 2021-12-07 京东方科技集团股份有限公司 Adhesive tape and attaching method thereof
CN114415405A (en) * 2021-12-21 2022-04-29 武汉华星光电技术有限公司 Display device and manufacturing method thereof
CN114415405B (en) * 2021-12-21 2024-01-30 武汉华星光电技术有限公司 Display device and manufacturing method thereof

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