CN215376276U - Negative pressure waterproof touch screen - Google Patents

Negative pressure waterproof touch screen Download PDF

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Publication number
CN215376276U
CN215376276U CN202120876659.9U CN202120876659U CN215376276U CN 215376276 U CN215376276 U CN 215376276U CN 202120876659 U CN202120876659 U CN 202120876659U CN 215376276 U CN215376276 U CN 215376276U
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CN
China
Prior art keywords
layer
liquid crystal
crystal display
screen
cover plate
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Active
Application number
CN202120876659.9U
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Chinese (zh)
Inventor
谢曦宙
陈鹏飞
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.)
Shenzhen Beitai Display Technology Co ltd
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Shenzhen Beitai Display Technology Co ltd
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Priority to CN202120876659.9U priority Critical patent/CN215376276U/en
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Abstract

The utility model relates to a negative-pressure waterproof touch screen which comprises a screen cover plate layer, a liquid crystal display layer and an OCA adhesive full-laminating layer, wherein a waterproof ring is further arranged between the screen cover plate layer and the liquid crystal display layer and is annularly arranged around the OCA adhesive full-laminating layer, the waterproof ring is provided with a top surface, a bottom surface, an outer side surface and an inner side surface, the inner side surface comprises an upper arc surface and a lower inner tangent surface, the upper arc surface and the lower inner tangent surface are connected onto the inner side surface to form a convex rib, the OCA adhesive full-laminating layer is provided with a side ring surface, a negative pressure cavity is formed by surrounding the lower inner tangent surface, the side ring surface and the top surface of the liquid crystal display layer, and the negative pressure cavity is arranged between the screen cover plate layer and the liquid crystal display layer.

Description

Negative pressure waterproof touch screen
Technical Field
The utility model relates to a touch screen, in particular to a negative pressure waterproof touch screen with a waterproof ring arranged in the touch screen.
Background
At present, various touch screens are commonly applied to various engineering equipment, the operability of the engineering equipment can be greatly improved by applying the touch screens to the engineering equipment, the use convenience of the engineering equipment is improved, and the use feeling of the engineering equipment can be greatly improved.
But engineering equipment is used in open air environment more, and its display screen often can receive the pollution of rainwater, sewage, simultaneously, receives the damage to its screen and often can take place into the condition of water when producing tiny crackle, and traditional touch-sensitive screen often causes the whole of screen to scrap in case the condition of intaking takes place, and the touch-sensitive screen of prior art does not all possess corresponding waterproof design, and this is the main shortcoming of traditional technique.
SUMMERY OF THE UTILITY MODEL
The technical scheme adopted by the utility model is as follows: the utility model provides a waterproof touch-sensitive screen of negative pressure, it includes screen apron layer, liquid crystal display layer and OCA glue full laminating layer, wherein, this OCA glues full laminating layer and sets up between this screen apron layer and this liquid crystal display layer, when concrete implementation, utilize this OCA to glue full laminating layer and adopt the technology of laminating entirely to laminate this screen apron layer entirely on this liquid crystal display layer, when concrete implementation, this screen apron layer includes apron layer and ITO layer, this apron layer sets up in this ITO layer top, this apron layer can be plastic cover board or glass apron.
Still be provided with waterproof ring between this screen apron layer and this liquid crystal display layer, this waterproof ring encircles and establishes around this OCA glues full laminating layer, this waterproof ring has the top surface, a bottom surface, lateral surface and medial surface, this lateral surface and this medial surface are connected between this top surface and this bottom surface, wherein, the bottom surface of this screen apron layer is pressed and is established on this top surface of this waterproof ring, this bottom surface of this waterproof ring is pressed and is established on the top surface on this liquid crystal display layer, when concrete implementation, this lateral surface is the arc surface, this medial surface includes arc surface and interior tangent plane down, this upper arc surface is connected with this interior tangent plane down and is formed this medial surface, simultaneously, this upper arc surface is connected with this interior tangent plane down and is formed a fin on this medial surface, wherein, this upper arc surface top is connected with this top surface, the bottom of interior tangent plane is connected with this bottom surface down.
This OCA glues full laminating layer has the side anchor ring, this side anchor ring is established around this OCA glues full laminating layer, should go up the arc surface and press to establish on this side anchor ring, this fin inlays to be established in this side anchor ring, simultaneously, with the help of this lower tangent plane, the top surface on this side anchor ring and this liquid crystal display layer centers on forming a negative pressure chamber, this negative pressure chamber sets up between this screen cover plate layer and this liquid crystal display layer, when concrete implementation, this waterproof ring is flexible adhesive tape, for example, neutral silica gel.
The utility model has the beneficial effects that: according to the utility model, during production, the liquid crystal display layer and the OCA adhesive full-lamination layer are firstly vacuumized and then fully laminated, after the assembly among the screen cover plate layer, the liquid crystal display layer and the OCA adhesive full-lamination layer is completed, negative pressure is always kept in the negative pressure cavity, and meanwhile, the whole waterproof sealing grade of the touch screen can be greatly improved by virtue of the sealing effect of the waterproof ring.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic sectional view of the waterproof ring according to the present invention.
Detailed Description
As shown in fig. 1 to 2, a negative pressure waterproof touch screen includes a screen cover plate layer 10, a liquid crystal display layer 20 and an OCA adhesive full lamination layer 30, wherein the OCA adhesive full lamination layer 30 is disposed between the screen cover plate layer 10 and the liquid crystal display layer 20.
In the specific implementation, the OCA adhesive full-lamination layer 30 is utilized to fully laminate the screen cover layer 10 on the liquid crystal display layer 20 by using a full-lamination process.
In particular, the screen cover layer 10 includes a cover layer disposed over the ITO layer and an ITO layer, which may be a plastic cover plate or a glass cover plate.
A waterproof ring 40 is further disposed between the screen cover plate layer 10 and the liquid crystal display layer 20, and the waterproof ring 40 is annularly disposed around the OCA adhesive full-lamination layer 30.
The waterproof ring 40 has a top surface 41, a bottom surface 42, an outer side surface 43 and an inner side surface 44, the outer side surface 43 and the inner side surface 44 are connected between the top surface 41 and the bottom surface 42, wherein the bottom surface of the screen cover layer 10 is pressed on the top surface 41 of the waterproof ring 40.
The bottom surface 42 of the waterproof ring 40 is pressed against the top surface of the liquid crystal display layer 20.
In practical implementation, the outer side surface 43 is an arc surface, the inner side surface 44 includes an upper arc surface 51 and a lower inner tangent surface 52, the upper arc surface 51 is connected with the lower inner tangent surface 52 to form the inner side surface 44, meanwhile, the upper arc surface 51 is connected with the lower inner tangent surface 52 to form a rib 53 on the inner side surface 44, wherein the top of the upper arc surface 51 is connected with the top surface 41, and the bottom of the lower inner tangent surface 52 is connected with the bottom surface 42.
The OCA adhesive full-lamination layer 30 has a side ring surface 31, the side ring surface 31 is annularly arranged around the OCA adhesive full-lamination layer 30, the upper arc surface 51 is pressed on the side ring surface 31, the convex rib 53 is embedded in the side ring surface 31, and meanwhile, a negative pressure cavity 60 is formed by the lower inner tangent surface 52, the side ring surface 31 and the top surface of the liquid crystal display layer 20.
The sub-ambient pressure chamber 60 is disposed between the screen cover layer 10 and the liquid crystal display layer 20.
In one embodiment, the waterproof ring 40 is a flexible strip of rubber, such as neutral silicone.
According to the utility model, during production, the space between the liquid crystal display layer 20 and the OCA adhesive full-lamination layer 30 is firstly vacuumized and then fully laminated, after the assembly among the screen cover plate layer 10, the liquid crystal display layer 20 and the OCA adhesive full-lamination layer 30 is completed, negative pressure is always kept in the negative pressure cavity 60, and meanwhile, the integral waterproof sealing grade of the touch screen can be greatly improved by virtue of the sealing effect of the waterproof ring 40.

Claims (4)

1. The utility model provides a waterproof touch-sensitive screen of negative pressure, it includes that screen apron layer, liquid crystal display layer and OCA glue full laminating layer, and wherein, this OCA glues full laminating layer and sets up between this screen apron layer and this liquid crystal display layer, its characterized in that:
a waterproof ring is arranged between the screen cover plate layer and the liquid crystal display layer, the waterproof ring is arranged around the OCA adhesive full laminating layer and is provided with a top surface, a bottom surface, an outer side surface and an inner side surface, the outer side surface and the inner side surface are connected between the top surface and the bottom surface, wherein the bottom surface of the screen cover plate layer is pressed on the top surface of the waterproof ring, the bottom surface of the waterproof ring is pressed on the top surface of the liquid crystal display layer,
the inner side surface comprises an upper arc surface and a lower inner tangent surface, the upper arc surface is connected with the lower inner tangent surface to form the inner side surface, meanwhile, the upper arc surface and the lower inner tangent surface are connected with the inner side surface to form a convex rib, wherein the top of the upper arc surface is connected with the top surface, the bottom of the lower inner tangent surface is connected with the bottom surface,
this OCA glues full laminating layer has the side anchor ring, and this side anchor ring is established around this OCA glues full laminating layer, and this circular arc face is pressed and is established on this side anchor ring, and this fin inlays to be established in this side anchor ring, simultaneously, with the help of this lower internal tangent plane, this side anchor ring and the top surface on this liquid crystal display layer around forming a negative pressure chamber, and this negative pressure chamber sets up between this screen cover plate layer and this liquid crystal display layer.
2. The negative-pressure waterproof touch screen of claim 1, wherein: the waterproof ring is a flexible adhesive tape.
3. The negative-pressure waterproof touch screen of claim 1, wherein: the screen cover plate layer comprises a cover plate layer and an ITO layer, and the cover plate layer is arranged above the ITO layer.
4. The negative-pressure waterproof touch screen of claim 1, wherein: the outer side surface is a circular arc surface.
CN202120876659.9U 2021-04-27 2021-04-27 Negative pressure waterproof touch screen Active CN215376276U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120876659.9U CN215376276U (en) 2021-04-27 2021-04-27 Negative pressure waterproof touch screen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120876659.9U CN215376276U (en) 2021-04-27 2021-04-27 Negative pressure waterproof touch screen

Publications (1)

Publication Number Publication Date
CN215376276U true CN215376276U (en) 2021-12-31

Family

ID=79628370

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202120876659.9U Active CN215376276U (en) 2021-04-27 2021-04-27 Negative pressure waterproof touch screen

Country Status (1)

Country Link
CN (1) CN215376276U (en)

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