Embodiment
Discovery is carefully studied through inventor, occur that the reason of a large amount of bubble is in touch control display apparatus 10 shown in Fig. 1: as shown in Figure 2, it is the cut-away section enlarged diagram of touch control display apparatus 10 as shown in Figure 1, when touch module 100 coated by optical cement 300, because the optical cement material after coating contacts with air, cause the surface tension of the optical cement material coating touch module 100 different, and then it is stacking to have made the optical cement material being positioned at touch module frontside edge occur, optical cement 300 is greater than (non-image viewing area, marginal portion at the thickness of the center section (image display area) of touch module 100, neighboring area) thickness, thus, larger clearance is there is in the middle of when causing touch module 100 to be fitted with display module 200, touch module 100 is finally caused after laminating completes, to there is a large amount of bubble with display module 200.
Particularly, owing to being liquid state when optical cement 300 adopts slit to be coated with, there is a thickness difference d2 in the thickness that edge part can be caused thus to divide and the thickness d 1 of center section, this thickness difference d1 is the 5%-20% of the thickness d 1 of optical cement 300 center section.
Refer to Fig. 3, it is the perspective view of touch control display apparatus 1 in first embodiment of the invention.
This touch control display apparatus 1 comprises the touch module 15 for the display module 11 with detecting touch operation showing image, and display module 11 is fitted by a bonding coat 13 with touch module 15.In present embodiment, display module 11 and touch module 15 adopt the mode of entirely fitting to fit, then this bonding coat 13 covers the viewing area (sign) of this touch control display apparatus 10 at least completely.In other embodiments, display module 11 is fitted with the mode that touch module 15 also can adopt edge fit, and namely non-display area setting (sign) of bonding coat 13 only corresponding touch control display apparatus 10, is not limited successively.
In present embodiment, touch control display apparatus 1 entirety is in rectangular structure, and first direction X is touch control display apparatus 1 width bearing of trend, and second direction Y is touch control display apparatus 1 length bearing of trend, and third direction Z is touch control display apparatus 1 thickness bearing of trend.Wherein, first direction X, second direction Y are mutually vertical with third direction Z.In the present embodiment, display module 11 is a liquid crystal display module, is appreciated that liquid crystal display module includes array base palte, liquid crystal layer, colored filter substrate and the polaroid (not shown) etc. arranging active member.Touch module 15 is a capacitance touching control module.Certainly, in other embodiments, this touch module 15 also can be or the touch module of other types, as resistance-type or infrared type touch module, not as limit.Bonding coat 13 is transparent liquid optical cement (OpticallyClearResin, OCR), and it can adopt slit coating method to be formed in this touch module 15.
Please consult Fig. 4-5 further, its be respectively as shown in Figure 3 touch control display apparatus 1 on first direction X along IV-IV line and on second direction Y along the cross-sectional view of V-V line.
Display module 11 has the first adhesive surface 110, and this first adhesive surface 110 is planar structure.In the present embodiment, the surface of the element such as polaroid, colored filter substrate (not shown) that this first adhesive surface 110 can be in display module 11 is formed.
Touch module 15 has the second adhesive surface 150, and this second adhesive surface 150 is nonplanar structure.
Second adhesive surface 150 comprises pars intermedia A and the outer part B adjacent with pars intermedia.This pars intermedia A protrudes to the first adhesive surface 110 relative to this outer part B.
This first adhesive surface 110 all contacts with this bonding coat 13 with this second adhesive surface 150, and bonding coat 13 bonds this first adhesive surface 110 and the second adhesive surface 150, thus display module 11 is interfixed with touch module 15.Bonding coat 13 at least covers the part pars intermedia A of this second adhesive surface 150 and part peripheral portion B adjacent with this pars intermedia A.
Shape and structure when this nonplanar second adhesive surface 150 is for regulating bonding coat 13 and the first adhesive surface 110 to bond, more particularly, this nonplanar second adhesive surface 150 is planar structure when bonding coat 13 and the first adhesive surface 110 are bonded, thus reduce clearance when display module 11 is bonded with bonding coat 13, produce the probability of bubble when reducing laminating.
Particularly, this touch module 15 at least comprises a substrate 151, and this substrate 151 has two relative the first edge P1.Be appreciated that and this substrate 151 is provided with multiple sensing cell, operate for sensing touch.
Bonding coat 13 comprises mesozone 131 and marginarium 132, and wherein, marginarium 132 surrounds this mesozone 131.Mesozone 131 is to should the pars intermedia A of the second adhesive surface 150, and mesozone 131 has the first thickness H1.The corresponding outer part B in marginarium 132.
Bonding coat 13 corresponding edge district 132 has two the second relative edge P2, contiguous this first edge P1 of this second edge P2.Wherein, the second edge P2 and this substrate 151 intersect at the primary importance X1 of this substrate 151, have the first distance L1 between this primary importance X1 and this first edge P1.Wherein, this second edge P2 is molded non-planar, and preferably, this second edge P2 is positioned at the non-viewing area of this touch control display apparatus 1.
Pars intermedia A and outer part B intersects at the second place X2 of substrate 151, this second place X2 comparatively primary importance X1 away from this first edge P1.
Particularly, the pars intermedia A of the second adhesive surface 150 comprises the first plane 141 and is positioned at the two ends of this first plane 141 and the second plane 143 be connected with this first plane 141.This second plane 143 and this outer part B correspond to this second place X2 place of substrate 151, and in the present embodiment, this second plane 143 and this outer part B intersect at the second place X2 place of substrate 151.This first plane 141, second plane 143 forms a ledge structure S with outer part B, and this ledge structure S has the first height H 2, and this first height H 2 is the 5%-20% of the first thickness H1 of the corresponding mesozone 131 of this bonding coat 13.This bonding coat 13 covers this ledge structure S at least partly.Thus, this ledge structure S provides a larger receiving space at second place X2 place for bonding coat 13.
In the present embodiment, the first plane 141 is parallel to substrate 151, and the second plane 143 is perpendicular to this first plane 141 and this substrate 151.Certainly, in other embodiments of the present invention, this second plane 143 also can be connected in acute angle with substrate 151, and accordingly, then 143, this second plane is connected in obtuse angle with the first plane 141.
Have second distance L2 between this second place X2 and this first edge P1, this second distance L2 is greater than this first distance L1.
In present embodiment, this pars intermedia A is that the surface of the transparent membrane F1 be arranged on substrate 151 is formed, namely the first plane 141 and the second plane 143 are that the surface of transparent membrane F1 is formed, outer part B is made up of the surface of substrate 151 or the coat side be coated on substrate 151 is formed, be appreciated that the coat side on described substrate 151 comprises ink layer, planarization layer or other Rotating fields.
The material of this transparent membrane F1 is ethylene glycol terephthalate (PolyethyleneTerephthalate, PET) or polymethylmethacrylate (Polymethylmethacrylate, PMMA).Transparent membrane F1 has identical refractive index with bonding coat 13, the scope of this refractive index is 1.3-1.8, the thickness of this transparent membrane F1 equals the first height H 2 corresponding to this ledge structure S, for the 5%-20% of the first thickness H1 of the corresponding mesozone 131 of bonding coat 13, to ensure the consistance that light transmits at transparent membrane F1 and bonding coat 13 and homogeneity.
Refer to Fig. 6, it is the cross-sectional view of touch control display apparatus 2 in the second embodiment.
Touch control display apparatus 2 comprises display module 21 and touch module 25, and display module 21 is fitted by bonding coat 23 with touch module 25.Wherein, showing module 21 adopts the mode of entirely fitting to fit with touch module 25 by this bonding coat 23.
Display module 21 has the first adhesive surface 210, and this first adhesive surface 210 is planar structure.With described in the first embodiment, the surface of the element such as polaroid, colored filter substrate that this first adhesive surface 110 can be in display module 11 is formed.Touch module 25 has the second adhesive surface 250, and this second adhesive surface 250 is nonplanar structure.
Particularly, touch module 25 comprises the substrate 251, sensing electrode layer 252 and the protective seam 253 that set gradually.Substrate 251 contacts with this bonding coat 23.This sensing electrode layer 252 is arranged at the surface away from display module 21 in touch module 25, and protective seam 253 is positioned at this sensing electrode layer 252 surface, for the protection of this sensing electrode layer 252.Be appreciated that sensing electrode layer 252 is provided with multiple sensing electrode (not shown), for the touch operation of sensing user, and corresponding output sensing signal, thus identify the particular location of touch operation.In present embodiment, the material of substrate 251 is glass, and in other embodiments, substrate 251 also can be PET material.
Second adhesive surface 250 is made up of the surface of contiguous bonding coat 23 side of substrate 251, and wherein, this second adhesive surface 250 comprises pars intermedia A and the two outer part Bs adjacent with pars intermedia.This pars intermedia A protrudes to the first adhesive surface 210 relative to this outer part B.
This first adhesive surface 210 all contacts with this bonding coat 23 with this second adhesive surface 250, and bonding coat 23 bonds this first adhesive surface 210 and the second adhesive surface 250, thus display module 21 is interfixed with touch module 25.Bonding coat 23 at least covers the part pars intermedia A of this second adhesive surface 250 and part peripheral portion B adjacent with this pars intermedia A.
This nonplanar second adhesive surface 250 is planar structure when bonding coat 23 and the first adhesive surface 210 are bonded, thus without clearance when making display module 21 bond with bonding coat 13, produces the probability of bubble when reducing laminating.
Bonding coat 23 comprises mesozone 231 and marginarium 132, and wherein, marginarium 232 surrounds this mesozone 231.Mesozone 231 is to should the pars intermedia A of the second adhesive surface 250, and mesozone 231 has the first thickness H1.The corresponding outer part B in marginarium 232.
Bonding coat 23 corresponding edge district 232 has two the second relative edge P, contiguous this first edge P1 of this second edge P2.Wherein, the second edge P2 and this substrate 251 intersect at the primary importance X1 of this substrate 251, have the first distance L1 between this primary importance X1 and this first edge P1.Wherein, this second edge P2 is molded non-planar.
Particularly, the pars intermedia A of the second adhesive surface 250 comprises the first plane 241 and is positioned at the two ends of this first plane 241 and the second plane 243 be connected with this first plane 241.This second plane 243 and this outer part B intersect at the second place X2 place of substrate 251.This first plane 241, second plane 243 forms a ledge structure S with outer part B.This bonding coat 23 covers this ledge structure S at least partly, and described in previous embodiment, first height H 2 of this ledge structure S is the 5%-20% of the first thickness H1 of bonding coat 23 mesozone 231.Thus, this ledge structure S provides a larger receiving space at second place X2 place for bonding coat 23.
In the present embodiment, the first plane 241 is parallel to substrate 251, and the second plane 243 is perpendicular to this first plane 241 and this substrate 151.Certainly, in other embodiments of the present invention, this second plane 243 also can be connected in acute angle with substrate 151, and accordingly, then 243, this second plane is connected in obtuse angle with the first plane 141.
In the present embodiment, the surface that the first plane 241 that pars intermedia A is corresponding and the second plane 243 and outer part B are substrate 251 is formed, and certainly, outer part B also can be made up of the coat side be coated on substrate 151.
Compared to prior art, because touch module 15,25 corresponding edge part is provided with nonplanar adhesive surface, thus, when jointing material coats this touch module 15,25 formation bonding coat 13,23, can at the edge of touch module 15,25 for jointing material provides an accommodation space, prevent jointing material from being formed stacking at the fringe region of touch module 15,25, ensure to be coated on the thickness of bonding coat 13,23 in touch module 15,25 evenly, consistent, bonding coat 13,23 and first adhesive surface 110,210 is fitted for plane.
Refer to Fig. 7, it is the cross-sectional view of touch control display apparatus 3 in third embodiment of the invention.
Touch control display apparatus 3 comprises display module 31 and touch module 35, and display module 31 is fitted by bonding coat 33 with touch module 35.Wherein, this bonding coat 33 covers this touch module 35 maybe this display module 31 completely, namely shows module 31 and adopts the mode of entirely fitting to fit with touch module 35.Display module 31 is for showing image, and touch module 35 is for detecting the touch operation of user and identifying the coordinate position of this touch operation.
Touch module 35 has the first adhesive surface 350, and this first adhesive surface 350 is planar structure.Wherein, this touch module 35 at least comprises a substrate 351, and this substrate 351 has two relative the first edge P1.Be appreciated that and this substrate 151 is provided with multiple sensing cell (not shown), operate for sensing touch.The surface of the contiguous stratum conjunctum 33 of this substrate 351 is as this first adhesive surface 350.
Bonding coat 33 comprises mesozone 331 and marginarium 132, and wherein, marginarium 332 surrounds this mesozone 331.Mesozone 331 is to should the pars intermedia A of the second adhesive surface 350, and mesozone 331 has the first thickness H1.The corresponding outer part B in marginarium 332.
Bonding coat 33 corresponding edge district 332 has two the second relative edge P, contiguous this first edge P1 of this second edge P2.Wherein, the second edge P2 and this substrate 351 intersect at primary importance X1, have the first distance L1 between this primary importance X1 and this first edge P1.
Display module 31 comprises display panel 311 and polaroid 313, wherein, display panel 311 is for showing image, and polaroid 313 is arranged at the surface of display panel 311 this bonding coat 33 contiguous, and this polaroid 313 is for deflecting the light from display panel 311 outgoing.
Display module 31 has the second adhesive surface 310.The surface of this bonding coat 33 side contiguous of the polaroid 313 in display module 31 is as this second adhesive surface 310, and this second adhesive surface 310 is nonplanar structure.Second adhesive surface 310 comprises pars intermedia A and the two outer part Bs adjacent with pars intermedia.This pars intermedia A protrudes to the first adhesive surface 350 relative to this outer part B.
This first adhesive surface 350 all contacts with this bonding coat 33 with this second adhesive surface 310, and bonding coat 33 bonds this first adhesive surface 350 and the second adhesive surface 310, thus display module 31 is interfixed with touch module 35.Bonding coat 33 at least covers the part pars intermedia A of this second adhesive surface 310 and part peripheral portion B adjacent with this pars intermedia A.
Shape and structure when this nonplanar second adhesive surface 310 is for regulating bonding coat 33 and the first adhesive surface 350 to bond, more particularly, this nonplanar second adhesive surface 310 is planar structure when bonding coat 33 and the first adhesive surface 350 are bonded, thus without clearance when making display module 31 bond with bonding coat 33.
Particularly, the second adhesive surface 310 comprises the first plane 341 and is positioned at the two ends of this first plane 341 and the second plane 343 be connected with this first plane 341, and this second plane 343 intersects at the 3rd position X3 with polaroid 313.This first plane 341, this second plane 343 and outer part B form a ledge structure S, and described in previous embodiment, first height H 2 of this ledge structure S is the 5%-20% of the first thickness H1 of bonding coat 23 mesozone 231.Thus, this ledge structure S provides a larger receiving space at the 3rd X3 place, position for bonding coat 33.
In present embodiment, the first plane 341 is parallel to substrate 315, and this second plane 343 is perpendicular to this first plane 341 and this substrate 315.Certainly, in other embodiments, this second plane 343 also can be connected with the first plane 341 in obtuse angle.
3rd position X3 substrate 351 projected position X3 ' comparatively primary importance X1 away from this first edge P1.And between projected position X3 ' and this first edge P1, there is second distance L2, this second distance L2 is greater than this first distance L1.
See also Fig. 8, it is the structural representation of polaroid 313 as shown in Figure 7.This polaroid 313 comprises the TAC layer 313a, polarizing layer 313b, the 2nd TAC layer 313c and the first adhered layer 313d that set gradually.This first adhered layer 313d is used for polaroid 313 to be attached at this display panel 311.Wherein, the material of the one TAC layer 313a and the 2nd TAC layer 313c is poly-cellulose triacetate (TAC) or cyclic olefin polymer (COP), the material of polarizing layer 313b is polyvinyl alcohol (PVA) (PVA), and the first adhered layer 313d is release pressure sensitive adhesive (PSA).
In present embodiment, pars intermedia A is that the TAC layer 313a body structure surface outstanding to bonding coat 33 is formed, and the surface that the first plane 341 that namely pars intermedia A is corresponding and the second plane 343 and part peripheral portion B are a TAC layer 313a is formed.
Certainly, the present invention is not limited to above-mentioned disclosed embodiment, and the present invention carries out various change to above-described embodiment.As long as the art personnel are appreciated that within spirit of the present invention, the suitable change do above embodiment and change all drop within the scope of protection of present invention.