CN103336606B - touch module - Google Patents

The present invention relates to a kind of touch module, it comprises a shell, a contact panel, one first optical cement layer, a housing to use a liquid glue.Described housing accommodates described contact panel.Described shell comprises a transmittance section and the fixed part around described transmittance section.Described housing is glued together with the transmittance section of described shell by described first optical cement layer mutually with described contact panel.Described housing comprises a cemented surface be oppositely arranged with described shell.Described cemented surface is set firmly mutually by described liquid glue and described fixed part.Described cemented surface offers multiple excessive glue accepting groove for accommodating described liquid glue.Touch module of the present invention can prevent the problem of excessive glue.

Touch module

Technical field

The present invention relates to a kind of touch module.

Background technology

Touch type liquid crystal display is the simplest, convenient current, natural a kind of man-machine interaction mode as up-to-date input equipment, has been subjected to and has welcome more and more widely and apply.Existing liquid crystal display generally includes a curved surface shell and a contact panel.Glued together by optical cement between described curved surface shell and contact panel and be integrated.But, due to the pressure compression that optical cement edge part branch is subject to curved surface shell, cause the problem of excessive glue, cause optical cement in uneven thickness, have impact on the touch-control performance of touch type liquid crystal display.

Summary of the invention

In view of this, be necessary to provide a kind of touch module preventing excessive glue.

A kind of touch module, it comprises a shell, a contact panel, one first optical cement layer, a housing to use a liquid glue.Described housing accommodates described contact panel.Described shell comprises a transmittance section and the fixed part around described transmittance section.Described housing is glued together with the transmittance section of described shell by described first optical cement layer mutually with described contact panel.Described housing comprises a cemented surface be oppositely arranged with described shell.Described cemented surface is set firmly mutually by described liquid glue and described fixed part.Described cemented surface offers multiple excessive glue accepting groove for accommodating described liquid glue.

Compared to prior art, touch module of the present invention offers multiple excessive glue accepting groove for accommodating described liquid glue due to the cemented surface of described housing.Therefore touch module of the present invention can prevent liquid glue to overflow the problem of glue.

Accompanying drawing explanation

Fig. 1 is the solid assembling schematic diagram of touch module provided by the invention.

Fig. 2 is the perspective exploded view of the touch module in Fig. 1.

Fig. 3 is the diagrammatic cross-section of the touch module in Fig. 1 along III-III line.

Main element symbol description

Following embodiment will further illustrate the present invention in conjunction with above-mentioned accompanying drawing.

Embodiment

To be described in further detail embodiment of the present invention below in conjunction with accompanying drawing.

One please consult Fig. 1 to Fig. 3, the touch module 100 that embodiment of the present invention provides, it comprises shell 10, contact panel 20,1 first optical cement layer 30, display panel 40,1 second optical cement layer 50, housing 60 and a liquid glue 70.

Described shell 10, by non-conducting material, as plastic material or glass material are made, comprises a transmittance section 11 and the fixed part 12 around described transmittance section 11.Described transmittance section 11 is made for printing opacity or transparent material.Described transmittance section 11 is roughly rectangular parallelepiped, comprises second surface 112 and the vertical sidewall 113 being connected described first surface 111 and second surface 112 that a first surface 111 1 and described first surface 111 deviate from mutually.Described first surface 111 is roughly parallel to described second surface 112.Described fixed part 12 is connected with the mode of described transmittance section 11 by two-component injection shaping (doubleinjection).Described fixed part 12 is connected to described sidewall 113.Described fixed part 12 is bending, bending to described first surface 111 direction from described sidewall 113.

In present embodiment, described contact panel 20 is a capacitance type touch-control panel, and it comprises an induction zone 21 and around the wiring region 22 of described induction zone 21.Described induction zone 21 is the effective activation region according to static electricity on human body's variation sensing capacitance variations.The purposes of described wiring region 22 for connecting up, to transfer to a processor (not shown) by touching signals.Described contact panel 20 is roughly rectangular parallelepiped, comprises the 4th surface 24 that one the 3rd surface 23 and deviates from described 3rd surface 23.Described 3rd surface 23 is roughly parallel to described 4th surface 24.Described 3rd surface 23 of described contact panel 20 and the area on described 4th surface 24 are all greater than the area of the first surface 111 of described transmittance section 11 and are less than the area of the medial surface of described shell 10.

Described first optical cement layer 30 is OCR(OpticalClearResin, an OCR) optical cement or be OCA(OpticalClearAdhesive, an OCA).The area of described first optical cement layer 30 is greater than the area of the first surface 111 of described transmittance section 11 and is less than the area of the medial surface of described shell 10, is also greater than the area on the 3rd surface 23 of described contact panel 20 simultaneously.4th surface 24 of described contact panel 20 is fitted by the transmittance section 11 of described first optical cement layer 30 and described shell 10 and the described fixed part 12 of part, faces with described first surface 111 to make the 4th of described contact panel 20 the surface 24.Described first optical cement layer 30 covers described transmittance section 11 all completely with described contact panel 20 and described wiring region 22 is hidden by described fixed part 12, also be, described in fixed part 12 part overlaid of described shell 10, the induction zone 21 of contact panel 20, carries out invalid touch control operation to avoid user.

Described display panel 40 is for image data displaying.The material of described second optical cement layer 50 is identical with the material of described first optical cement layer 30.Described display panel 40 fits in the 3rd surface 23 of described contact panel 20 by described second optical cement layer 50.Described display panel 40 comprises five surface 41 and one and described five surperficial 41 six surface 42 that mutually deviate from relative with described 3rd surface 23.Described 5th surface 41 is roughly parallel to described 6th surface 42.In present embodiment, the area on described 5th surface 41 is less than the area on described 3rd surface 23 and equals the area of described first surface 111, and the image data shown to make described display panel 40 can be shown in the transmittance section 11 of described shell 10 completely through described second optical cement layer 50, described contact panel 20 and described first optical cement layer 30.

Described housing 60 comprises peristome 600 and around the frame 61a of described peristome 600.The inwall of described frame 61a extends multiple support portion 601 to the center of peristome 600.The shape and size on the shape and size of described peristome 600 the 3rd surface 23 of described contact panel 20 respectively match.Described frame 61a is fixedly arranged on the fixed part 12 of described shell 10 by described first optical cement layer 30.Described frame 61a comprises a cemented surface 61 be oppositely arranged with described fixed part 12.The shape and size of described cemented surface 61 match with the medial surface shape and size of the fixed part 12 of described shell 10 respectively, and in present embodiment, the shape of the corresponding described fixed part 12 of shape of described cemented surface 61 is bending.Described cemented surface 61 is set firmly mutually by described liquid glue 70 and described fixed part 12.In present embodiment, described liquid glue 70 is liquid structure glue.Described frame 61a is surrounded by four poles 613, and the cemented surface 61 of each pole 613 offers multiple excessive glue accepting groove 610.In present embodiment, the shape of described excessive glue accepting groove 610 is linear.The spaced setting of multiple excessive glue accepting groove 610 on same described pole 613, and the bearing of trend of each described excessive glue accepting groove 610 is all parallel to the bearing of trend of corresponding pole 613.The edge of described cemented surface 61 is also provided with multiple excessive glue barricade 602.

In other embodiments, described first optical cement layer 30 and described second optical cement layer 50 also can adopt different materials to make respectively.

In other embodiments, the shape of described excessive glue accepting groove 610 also can be other shapes, as triangle or circle etc.

During assembling, first described display panel 40 is glued together by described second optical cement layer 50 and described contact panel 20 phase, and then described first optical cement layer 30 is coated the 4th surface 24 of described contact panel 20, jointly be contained in the described peristome 600 of described housing 60 by gluing together the described display panel 40, described second optical cement layer 50 and the described contact panel 20 that are integrated, the 6th surface 42 of described display panel 40 is held in described support portion 601.Finally by described first optical cement layer 30, described housing 60 is fixedly arranged on the medial surface of the fixed part 12 of described shell 10, described contact panel 20 is also fixedly arranged on the transmittance section 11 of described shell 10 by described first optical cement layer 30 simultaneously.Described liquid glue 70 is accommodated by described excessive glue accepting groove 610, thus can prevent the problem of excessive glue, and described excessive glue barricade 602 is for stopping that the colloid of described liquid glue 70 overflows further.In addition, because described liquid glue 70 is accommodated by described excessive glue accepting groove 610, thus liquid glue 70 is increased with the contact area of described fixed part 12, so make described liquid glue 70 improve with the bonding strength of described fixed part 12.

Be understandable that, for the person of ordinary skill of the art, other various corresponding change and distortion can be made by technical conceive according to the present invention, and all these change the protection domain that all should belong to the claims in the present invention with distortion.