CN104991302B - Polaroid, display device and its assemble method and touch control display apparatus - Google Patents

Polaroid, display device and its assemble method and touch control display apparatus Download PDF

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Publication number
CN104991302B
CN104991302B CN201510378511.1A CN201510378511A CN104991302B CN 104991302 B CN104991302 B CN 104991302B CN 201510378511 A CN201510378511 A CN 201510378511A CN 104991302 B CN104991302 B CN 104991302B
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China
Prior art keywords
glue
line
polaroid
display
area
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CN201510378511.1A
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Chinese (zh)
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CN104991302A (en
Inventor
王敏怡
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友达光电(苏州)有限公司
友达光电股份有限公司
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Priority to CN201510378511.1A priority Critical patent/CN104991302B/en
Publication of CN104991302A publication Critical patent/CN104991302A/en
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Publication of CN104991302B publication Critical patent/CN104991302B/en

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Abstract

The present invention is on a kind of polaroid, display device and assemble method and touch control display apparatus, polaroid includes body and the first glue-line, body is arranged at the first surface of the first glue-line, and first glue-line at least partly exceed body, first glue-line includes adjacent first area and second area, first area corresponds to body, and second area is the part that the first glue-line exceeds body.Polaroid is attached on display panel by the first glue-line, and the first surface of the first glue-line is opposite with display panel;Shading rubber belt is attached on the first surface of the corresponding second area of the first glue-line and extended and is pasted on backlight module, and display panel and backlight module are fixed, and shading rubber belt is overlapping with least part region of second area and mutually binds.Because the first glue-line exceeds the body of polaroid, the second area of the glue-line of shading rubber belt and the first glue-line mutually binds, it is ensured that the attaching effect of shading rubber belt, prevents shading rubber belt from being tilted again after attaching.

Description

Polaroid, display device and its assemble method and touch control display apparatus
Technical field
Can the present invention relates to a kind of polaroid, display device and assemble method and touch control display apparatus, especially one kind Prevent polaroid, display device and the assemble method and touch control display apparatus that shading rubber belt tilts again after attaching.
Background technology
Fig. 1 is refer to, Fig. 1 is the diagrammatic cross-section of the touch control display apparatus of prior art.Touch control display apparatus 10 includes Contact panel 11 and display device 12, contact panel 11 are fitted in display device 12 by optical cement 13.Display device 12 is wrapped Containing the display panel 15 with polaroid 14, backlight module 16 and shading rubber belt 17, shading rubber belt 17 is to by display panel 15 Fixed with backlight module 16, when attaching shading rubber belt 17, shading rubber belt 17 is attached at display panel along the edge of polaroid 14 On 15 glass surface and then re-extend on attaching shading rubber belt 17 to backlight module 16, because shading rubber belt 17 is attached at display Area on panel 15 is smaller, ineffective plus the bonding between the glass surface of shading rubber belt 17 and display panel 15, often There is situation about being tilted again after shading rubber belt 17 attaches.And when touch control display apparatus 10 assembles, it is necessary to which optical cement 13 is coated with In on the surface of display device 12, due to the tilting of shading rubber belt 17, optical cement 13 is caused to be tilted readily along shading rubber belt 17 The gap g ' that penetrates between display panel 15 and backlight module 16 of position, and then penetrate into inside backlight module 16, influence To the performance of backlight module 16, and then influence the display effect of touch control display apparatus 10.
The content of the invention
In order to solve the above problems, the present invention proposes a kind of polaroid, and comprising body and the first glue-line, the body is arranged at The first surface of first glue-line, and first glue-line at least partly exceeds the body, first glue-line includes adjacent first Region and second area, the first area correspond to the body, and the second area is the part that first glue-line exceeds the body.
As optional technical scheme, the second area is shaped as strip, L-shaped, Contraband font or square shape wherein One of.
As optional technical scheme, the second area to should the body of polaroid there are multiple subregions, it is each Subregion is to extend a width towards the direction away from the body from the respective side of the body to be formed, the plurality of subregional width It is identical or different.
As optional technical scheme, the plurality of subregional width is all higher than being equal to 0.5mm.
As optional technical scheme, the body have from top to bottom the first Triafol T layer, polyvinyl alcohol layer and Second Triafol T layer.
As optional technical scheme, first glue-line is pressure-sensitive adhesive layer.
As optional technical scheme, the polaroid also includes extension, and the extension extends from the body, and should Extension is correspondingly arranged on the second area of first glue-line, and the extension is when using the polaroid from the polaroid It is removable.
In addition, the present invention also proposes a kind of display device, including display panel and backlight module, the display panel is assembled in On the backlight module, the display device also includes above-mentioned polaroid, and the polaroid is attached at the display by first glue-line On panel, and the first surface of first glue-line is opposite with the display panel, shading rubber belt, is attached at pair of first glue-line On the first surface of second area and it should extend and be pasted on the backlight module, by the display panel and the backlight module Fixed, wherein the shading rubber belt is overlapping with least part region of the second area and mutually binds.
The display device of the present invention, because the first glue-line exceeds the body of polaroid, when attaching shading rubber belt, shading rubber belt Overlapping with least part region of the second area of the first glue-line and mutually bind, the mutual bonding between two glue-lines can further enhance The ability of shading rubber belt and stability is sticked together, compared to glass surface of the shading rubber belt in the prior art directly with display panel Mutually bind, due between the second area of shading rubber belt and the first glue-line in the present invention to stick together effect preferable, even if display device For narrow frame design, tilted again after can still avoiding the attaching of shading rubber belt, it is ensured that the attaching effect of shading rubber belt.
In addition, the present invention also proposes a kind of touch control display apparatus, including above-mentioned display device and contact panel, the touch-control Panel is fitted in the display device by optical cement.
The touch control display apparatus of the present invention, because the first glue-line exceeds the body of polaroid, when attaching shading rubber belt, shading Adhesive tape is overlapping with least part region of the second area of the first glue-line and mutually binds, and the mutual bonding between two glue-lines can be further Strengthen the tackifying ability and bonding stability of shading rubber belt, avoid situation about being tilted again after the attaching of shading rubber belt 400, so as to Ensure to close the gap g between display panel and backlight module, avoid gap g from being in communication with the outside.Due to shading rubber belt Be not in the situation of tilting, in coated optical glue, optical cement would not penetrate into backlight unit, ensure that the back of the body The performance of optical mode group and the display effect of touch control display apparatus.
In addition, the present invention also proposes a kind of assemble method of display device, including:Step A:Display panel is provided, such as weighed Profit requires polaroid, backlight module and the shading rubber belt described in 1-6;Step B:The polaroid is attached by first glue-line In on the display panel, and the first surface of first glue-line is opposite with the display panel;Step C:The polarisation will be pasted with The display panel of piece is assembled on the backlight module;And step D:The shading rubber belt is attached in first glue-line to should On the first surface of second area and extend on the attaching shading rubber belt to backlight module, by the display panel and the back of the body Optical mode group is fixed, and wherein the shading rubber belt is overlapping with least part region of the second area and mutually binds.
As optional technical scheme, the second surface of first glue-line is provided with the first mould release membrance, the first surface with The second surface is relative, also includes before step B execution, first mould release membrance is removed from the second surface.
As optional technical scheme, the polaroid also includes extension, and the extension extends from the body, and should Extension is correspondingly arranged on the second area with first glue-line, and the extension when using the polaroid from the polaroid It is upper removable, also include before step D execution, the extension is removed from the polaroid.
As optional technical scheme, first glue-line to should be on the first surface of second area covered with second Mould release membrance, also include before step D execution, the second mould release membrance is removed from the first surface.
The assemble method of the display device of the present invention, because the first glue-line exceeds the body of polaroid, attach shading rubber belt When, shading rubber belt is overlapping with least part region of the second area of the first glue-line and mutually binds, the mutual bonding between two glue-lines The ability of shading rubber belt can be further enhanced and stick together stability, compared to shading rubber belt in the prior art directly and display surface The glass surface of plate mutually binds, due between the second area of shading rubber belt and the first glue-line in the present invention to stick together effect preferable, Even if display device is narrow frame design, tilted again after can still avoiding the attaching of shading rubber belt, it is ensured that the attaching effect of shading rubber belt Fruit.
Below in conjunction with the drawings and specific embodiments, the present invention will be described in detail, but not as a limitation of the invention.
Brief description of the drawings
Fig. 1 is the diagrammatic cross-section of the touch control display apparatus of prior art;
Fig. 2A is the diagrammatic cross-section of the polaroid of the first embodiment of the present invention;
Fig. 2 B are the top view of the polaroid in Fig. 2A;
Fig. 3 A are the diagrammatic cross-section of the polaroid of the second embodiment of the present invention;
Fig. 3 B are the top view of the polaroid in Fig. 3 A;
Fig. 4 is the diagrammatic cross-section of the display device of the present invention;
Fig. 5 is the assembling flow path figure of the display device of the present invention;
Fig. 6 is the diagrammatic cross-section of the touch control display apparatus of the present invention.
Embodiment
Fig. 2A and Fig. 2 B are refer to, Fig. 2A is the diagrammatic cross-section of the polaroid of the first embodiment of the present invention, and Fig. 2 B are The top view of polaroid in Fig. 2A.As shown in Figure 2 A, polaroid 100 of the invention includes the glue-line 120 of body 110 and first. Wherein, the first glue-line 120 has first surface 121, and body 110 is arranged on the first surface 121 of the first glue-line 120, and the At least part of one glue-line 120 exceeds body 110.First glue-line 120 includes adjacent first area 131 and second area 132, the One region 131 corresponds to body 110, and second area 132 is the part that the first glue-line 120 exceeds body 110.
As shown in Figure 2 B, the body 110 of polaroid 100 is rectangle, and it has four sides being disposed adjacent successively, i.e., the One side 1101, second side 1102, the 3rd side 1103 and four side 1104, in the present embodiment, the first glue-line 120 exceeds Four sides of body 110, therefore second area 132 is shaped as square shape.In practical operation, the first glue-line 120 can only surpass Go out a wherein side (or even a portion of a side) for body 110, now the shape of second area 132 can be length Bar shaped;Or first glue-line 120 exceed body 110 adjacent two sides, now the shape of second area 132 can be L-shaped;Again Or first glue-line 120 exceed body 110 adjacent three sides, now the shape of second area 132 can be Contraband font, make The shape that user can voluntarily select second area 132 according to being actually needed, is not limited in the shape.
As shown in Figure 2 B, the body 110 of the corresponding polaroid 100 of second area 132 has multiple subregions, wherein, it is each Subregion is to extend a width towards the direction away from body 110 from the respective side of body 110 to be formed, the plurality of subregional width Spend identical or different.In the present invention, because the first glue-line 120 is beyond four sides of body 110, therefore second area 132 is right Answer body 110 that there is four subregions, respectively the first subregion 1321, the second subregion 1322, the 3rd subregion 1323 altogether With the 4th subregion 1324, wherein, the first subregion 1321 is from the first side 1101 of body 110 towards away from body 110 Direction extension width d1 is formed, and the second subregion 1322 is from the second side 1102 of body 110 towards the direction away from body 110 Extension width d2 is formed, and the 3rd subregion 1323 is to extend from the 3rd side 1103 of body 110 towards the direction away from body 110 Width d3 is formed, and the 4th subregion 1324 is from the four side 1104 of body 110 towards the direction extension width away from body 110 D4 is formed.Width d1, width d2, width d3 and width d3 numerical value may be the same or different.In practical operation, due to second area 132 can be different shapes, therefore second area 132 can also correspond to the subregion with varying number.For example, when second area 132 when being strip, and second area 132 can only have a subregion, when second area 132 is L-shaped, second area 132 There can be two subregions, and when second area 132 is Contraband shape, second area 132 can have three subregions.
As shown in Figure 2 A, in the present embodiment, it (or is TAC that body 110 has the first Triafol T layer from top to bottom Layer) 111, polyvinyl alcohol layer (or being PVA layers) 112 and the second Triafol T layer (or being TAC layer) 113.First glue Layer 120 is pressure-sensitive adhesive layer (or being psa layer).Wherein, play polarization is polyvinyl alcohol layer 112, but due to polyethylene Alcohol easily hydrolyzes, in order to protect the physical characteristic of polaroid 100, therefore in each compound one layer of tool in the both sides of polyvinyl alcohol layer 112 There is Triafol T layer (i.e. the first Triafol T layer 111 that high light transmission rate, water-tolerant have certain mechanical strength again With the 3rd Triafol T layer 113) protected.In addition, in the present embodiment, covered on the first Triafol T layer 111 There is diaphragm 170 to protect the first triacetate fiber layer 111 injury-free in an assembling process.
In practical operation, if the first glue-line 120 used is high temperature resistant protection against the tide pressure-sensitive adhesive layer, and to polyvinyl alcohol layer 112 Special dipping process is carried out, made polaroid 100 is wide warm type polaroid;If in the first glue-line 120 used The composition for preventing ultraviolet from passing through is added, made polaroid 100 is antiultraviolet polaroid;If to the first glue used Layer 120, polyvinyl alcohol layer 112, the first Triafol T layer 111 or the second Triafol T layer 113 colour, made Polaroid 100 is color polarizing plate.
The diagrammatic cross-section for the polaroid that Fig. 3 A and Fig. 3 B, Fig. 3 A are the second embodiment of the present invention is refer to, Fig. 3 B are The top view of polaroid in Fig. 3 A.Unlike first embodiment, in the present embodiment, polaroid 100 ' also includes extension 140 ', extension 140 ' extends from body 110 ', and extension 140 ' is correspondingly arranged in the secondth area of the first glue-line 120 ' On domain 132 ', extension 140 ' can be removed when using polaroid 100 ' from polaroid 100 '.In practical operation, for the ease of Extension 140 ' is removed from polaroid 100 ', as shown in Figure 3 B, can be in extension 140 ' and this when manufacturing polaroid 100 ' The junction of body 110 ' sets precut 180 ', and wherein precut 180 ' does not cut off the first glue-line 120 ' and only cuts off body 110’。
Fig. 4 is refer to, Fig. 4 is the diagrammatic cross-section of the display device of the present invention.The display device 1000 of the present invention includes Above-mentioned polaroid 100, display panel 200, backlight module 300 and shading rubber belt 400.Polaroid 100 is by the first glue-line 120 It is attached on display panel 200, and the first surface 121 of the first glue-line 120 is opposite with display panel 200.It is pasted with polaroid 100 display panel 200 is assembled on backlight module 300, and shading rubber belt 400 is attached at the area of correspondence second of the first glue-line 120 On the first surface 121 in domain 132 and extension is pasted on backlight module 300, and in the present embodiment, the extension of shading rubber belt 400 attaches To the back side of backlight module 400, display panel 200 and backlight module 300 are fixed, wherein the area of shading rubber belt 400 and second At least part region in domain 132 is overlapping and mutually binds.
The display device 1000 of the present invention, because the first glue-line 120 exceeds the body 110 of polaroid 100, attach shading glue During band 400, shading rubber belt 400 is overlapping with least part region of the second area 132 of the first glue-line 120 and mutually binds, two glue The mutual bonding of interlayer can further strengthen the ability of shading rubber belt 400 and stick together stability, compared to hiding in the prior art Optical cement band directly mutually binds with the glass surface of display panel, due to of the glue-line 120 of shading rubber belt 400 and first in the present invention Between two regions 132 to stick together effect preferable, even if display device 1000 is narrow frame design, can still avoid shading rubber belt 400 in Tilted again after attaching, it is ensured that the attaching effect of shading rubber belt 400.
Fig. 5 is refer to, Fig. 5 is the assembling flow path figure of the display device of the present invention.The assembling side of the display device of the present invention Method comprises the following steps:
Step A (S1):Polaroid 100, display panel 200, backlight module 300 and shading rubber belt 400 are provided;
Step B (S2):Polaroid 100 is attached on display panel 200 by the first glue-line 120, and the first glue-line 120 First surface 121 it is opposite with display panel 200;
Step C (S3):The display panel 200 for being pasted with polaroid 100 is assembled on backlight module 300;And
Step D (S4):Shading rubber belt 400 is attached in the first surface 121 of the corresponding second area 132 of the first glue-line 120 Go up and extend and attach on shading rubber belt 400 to backlight module 300, display panel 200 and backlight module 300 are fixed, wherein Shading rubber belt 400 is overlapping with least part region of second area 132 and mutually binds.
Please also refer to Fig. 2A and Fig. 5, the first glue-line 120 has second surface 122, second surface 122 and first surface 121 is relative, in practical operation, as shown in Figure 2 A, in order to avoid the first glue-line 120 second surface 122 with display panel 200 It is contaminated before attaching, it is release in being provided with first on the second surface 122 of the first glue-line 120 of the polaroid 100 of the present invention Film 150, when assembling display device 1000, also include before step B execution, the first mould release membrance 150 is torn from second surface 122 Remove.
Please also refer to Fig. 2A and Fig. 5, the second area 132 of the first glue-line 120 is beyond the part of body 110, reality In operation, as shown in Figure 2 A, in order to avoid corresponded to before shading rubber belt 400 attaches the first surface 121 of second area 132 by Pollution, on the first surface 121 of corresponding second area 132 covered with the second mould release membrance 160, when assembling display device 1000, Also include before step D execution, the second mould release membrance 160 is removed from first surface 121.
Fig. 3 A are refer to, when assembling display device 1000, according to the polaroid 100 ' of second embodiment of the invention, by Extension 140 ' is also included in polaroid 100 ', extension 140 ' extends from body 110 ', and extension 140 ' is corresponded to and set Put with the second area 132 ' of the first glue-line 120 ', also including before step D execution, by extension 140 ' from polaroid 100 ' Upper removal.
Please also refer to Fig. 2 B and Fig. 4, according to it is artificial attach shading rubber belt 400 when, because operating personnel hide attaching There can be about 0.5mm or so attaching deviation during optical cement band 400, in order to ensure shading rubber belt 400 can be with the first glue-line 120 At least part region of second area 132 is overlapping and mutually binds, multiple subregional width (the present embodiment of second area 132 In for width d1, width d2, width d3 and width d4) be all higher than being equal to 0.5mm, certainly, according to other attach mode, such as Machine attaches, then need not limit such width value, and user can determine the plurality of of second area 132 according to being actually needed Subregional width value, it is not limited with above-mentioned.
Fig. 6 is refer to, Fig. 6 is the diagrammatic cross-section of the touch control display apparatus of the present invention.The touch control display apparatus of the present invention 3000 include above-mentioned display device 1000 and contact panel 2000, wherein, contact panel 2000 is pasted by optical cement 2100 Together in display device 1000.
Please also refer to Fig. 2A and Fig. 6, in order to avoid the first Triafol T layer 111 is damaged in an assembling process Wound, covered with diaphragm 170 on the first Triafol T layer 111, and, it is necessary to by diaphragm before coated optical glue 2100 170 remove, and then attach contact panel 2000 again to obtain preferable optics and visual effect.
The touch control display apparatus 3000 of the present invention, because the first glue-line 120 exceeds the body 110 of polaroid 100, attach and hide During optical cement band 400, shading rubber belt 400 is overlapping with least part region of the second area 132 of the first glue-line 120 and mutually binds, Mutual bonding between two glue-lines can further enhance the tackifying ability and bonding stability of shading rubber belt 400, avoid shading glue Situation about being tilted again after the attaching with 400, so that it is guaranteed that the gap g between display panel 200 and backlight module 300 is closed, Gap g is avoided to be in communication with the outside.Because shading rubber belt 400 is not in the situation of tilting, in coated optical glue 2100, Optical cement 2100 would not be penetrated into inside backlight module 300, and the performance and touch-control for ensuring that backlight module 300 are shown The display effect of device 3000.
Certainly, the present invention can also have other various embodiments, ripe in the case of without departing substantially from spirit of the invention and its essence Various corresponding changes and deformation, but these corresponding changes and deformation can be made according to the present invention by knowing those skilled in the art The protection domain of appended claims of the invention should all be belonged to.

Claims (12)

1. a kind of display device, including display panel and backlight module, the display panel are assembled on the backlight module, its feature It is that the display device also includes:
A kind of polaroid, it is characterised in that include:
Body;And
First glue-line, the body is arranged at the first surface of first glue-line, and first glue-line at least partly exceeds the body, First glue-line includes adjacent first area and second area, and the first area corresponds to the body, and the second area is should First glue-line exceeds the part of the body;The polaroid is attached on the display panel by first glue-line, and first glue The first surface of layer is opposite with the display panel;And
Shading rubber belt, be attached at first glue-line to that on the first surface of second area and should extend and be pasted to the backlight On module, the display panel and the backlight module are fixed, wherein at least part area of the shading rubber belt and the second area Domain is overlapping and mutually binds.
2. display device according to claim 1, it is characterised in that:The shape of the second area of the glue-line of polaroid first For one of strip, L-shaped, Contraband font or square shape.
3. display device according to claim 1, it is characterised in that:The second area of the glue-line of polaroid first is to should The body of polaroid has multiple subregions, and each subregion is from the respective side of the body towards the direction away from the body Extend a width to be formed, the plurality of subregional width is identical or different.
4. display device according to claim 3, it is characterised in that:Multiple subregional width of the glue-line of polaroid first Degree is all higher than being equal to 0.5mm.
5. display device according to claim 1, it is characterised in that:The polaroid body has the one or three vinegar from top to bottom Acid cellulose layer, polyvinyl alcohol layer and the second Triafol T layer.
6. display device according to claim 1, it is characterised in that:The glue-line of polaroid first is pressure-sensitive adhesive layer.
7. display device according to claim 1, it is characterised in that:The polaroid also includes extension, and the extension is certainly The body extends, and the extension is correspondingly arranged on the second area of first glue-line, and the extension should in use It is can be removed during polaroid from the polaroid.
A kind of 8. touch control display apparatus, it is characterised in that including:
Display device as claimed in claim 1;And
Contact panel, fitted in by optical cement in the display device.
A kind of 9. assemble method of display device, it is characterised in that including:
Step A:Display panel, the polaroid as described in claim 1-6, backlight module and shading rubber belt are provided;
Step B:The polaroid is attached on the display panel by first glue-line, and the first surface of first glue-line It is opposite with the display panel;
Step C:The display panel for being pasted with the polaroid is assembled on the backlight module;And
Step D:The shading rubber belt is attached in first glue-line on the first surface of second area and attaching should be extended On the shading rubber belt to the backlight module, the display panel and the backlight module are fixed, wherein the shading rubber belt with this At least part region in two regions is overlapping and mutually binds.
10. assemble method according to claim 9, it is characterised in that:The second surface of first glue-line is provided with first Mould release membrance, the first surface is relative with the second surface, in step B execution before also include, by first mould release membrance from this second Removed on surface.
11. assemble method according to claim 9, it is characterised in that:The polaroid also includes extension, and the extension is certainly The body extends, and the extension is correspondingly arranged on the second area with first glue-line, and the extension is in use It is can be removed during the polaroid from the polaroid, also include before step D execution, the extension is removed from the polaroid.
12. assemble method according to claim 9, it is characterised in that:First glue-line to should second area be somebody's turn to do Covered with the second mould release membrance on first surface, also include before step D execution, the second mould release membrance is torn from the first surface Remove.
CN201510378511.1A 2015-06-27 2015-06-27 Polaroid, display device and its assemble method and touch control display apparatus CN104991302B (en)

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CN204054864U (en) * 2014-06-08 2014-12-31 深圳市中显微电子有限公司 The laminating apparatus of a kind of liquid crystal display and touch-screen

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