CN211264281U - Touch screen and touch display device - Google Patents
Touch screen and touch display device Download PDFInfo
- Publication number
- CN211264281U CN211264281U CN201922056193.3U CN201922056193U CN211264281U CN 211264281 U CN211264281 U CN 211264281U CN 201922056193 U CN201922056193 U CN 201922056193U CN 211264281 U CN211264281 U CN 211264281U
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- Prior art keywords
- panel
- touch
- touch screen
- laminating
- display
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- 238000010030 laminating Methods 0.000 claims abstract description 30
- 239000003292 glue Substances 0.000 claims abstract description 17
- 238000007639 printing Methods 0.000 claims abstract description 7
- 239000004744 fabric Substances 0.000 claims abstract description 3
- 239000000758 substrate Substances 0.000 claims description 26
- 239000000853 adhesive Substances 0.000 claims description 24
- 230000001070 adhesive effect Effects 0.000 claims description 23
- 230000001681 protective effect Effects 0.000 claims description 9
- 239000011248 coating agent Substances 0.000 claims description 5
- 238000000576 coating method Methods 0.000 claims description 5
- 239000011521 glass Substances 0.000 claims description 4
- 239000000945 filler Substances 0.000 claims description 3
- 239000004568 cement Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 8
- 239000000976 ink Substances 0.000 abstract 5
- 230000004069 differentiation Effects 0.000 abstract 1
- 239000000463 material Substances 0.000 description 8
- 238000005538 encapsulation Methods 0.000 description 6
- 238000007789 sealing Methods 0.000 description 5
- 239000000084 colloidal system Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000010408 film Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000011368 organic material Substances 0.000 description 2
- 238000002834 transmittance Methods 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 230000004313 glare Effects 0.000 description 1
- 230000005525 hole transport Effects 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- -1 polyethylene terephthalate Polymers 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 229910052594 sapphire Inorganic materials 0.000 description 1
- 239000010980 sapphire Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
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- Position Input By Displaying (AREA)
Abstract
The utility model discloses a touch screen and touch-control display device, touch screen include protection panel and touch panel, are equipped with a week china ink district along protection panel's circumference, and protection panel is enclosed to close in the regional visible region that forms of china ink district inside, and protection panel laminating is equipped with the laminating glue in the touch panel top between touch panel and the protection panel, and the laminating glue is the strip, and the laminating glue has the round along printing ink differentiation cloth, and the border of laminating glue does not exceed outside the boundary in china ink district. The utility model provides a touch screen is provided with the laminating and glues between touch panel and protection panel to this laminating glue does not surpass protection panel's printing ink district boundary, and the laminating is glued and is the strip, thereby after touch panel and protection panel laminating, the laminating glue can not overflow in the visible area, influences the display effect of touch screen.
Description
Technical Field
The utility model belongs to the technical field of display screen and display screen laminating technique and specifically relates to a touch screen and touch display equipment are related to.
Background
With the development of computer technology, the input mode of a computer is extended from keyboard input and mouse input to touch input, and as a novel input device, the touch device adopts a simple, convenient and natural human-computer interaction mode, so that the human-computer interaction is more visual and convenient, and the touch device is widely applied to the fields of process control, military command, multimedia teaching and the like.
Adopt the glue usually during laminating of traditional touch screen, the mobility of colloid is stronger, and the laminating in-process, the width of colloid is uncontrollable, and the colloid spills over easily and spreads inside the visual window of display screen, influences the display effect of display screen.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a touch screen and touch-control display device can overcome the difficult defect of control of colloid width in the touch screen laminating.
An embodiment of the utility model provides a touch screen, include:
the protective panel is provided with a circle of ink area along the circumferential direction of the protective panel, and the protective panel is enclosed in the area inside the ink area to form a visible area;
the touch panel, the protection panel laminating in the touch panel top, touch panel with be equipped with the laminating glue between the protection panel, the laminating is glued along the printing ink distinguishes cloth and is had the round, the border that the laminating was glued does not surpass outside the boundary in printing ink district.
The embodiment of the utility model provides an in touch screen have following beneficial effect at least:
the utility model provides a touch screen is provided with the laminating and glues between touch panel and protection panel to this laminating glue does not surpass protection panel's printing ink district boundary, and the laminating is glued and is the strip, thereby after touch panel and protection panel laminating, the laminating glue can not overflow in the visible area, influences the display effect of touch screen.
According to the utility model discloses a touch screen of other embodiments, the surface of protection panel has still coated functional coating.
According to the utility model discloses a touch screen of other embodiments, the laminating is glued inboard touch panel with form airtight cavity between the display panel, be half vacuum state in the airtight cavity.
According to the utility model discloses a touch screen of other embodiments, the laminating is glued including the multistage, and the laminating of adjacent section has the clearance between gluing.
According to the utility model discloses a touch screen of other embodiments still includes display panel, display panel is located the touch panel below, display panel includes encapsulation apron, display element, display substrate and the buffer substrate that from the top down set gradually, the embedding of encapsulation apron in the buffer substrate.
According to the utility model discloses a touch screen of other embodiments, the encapsulation apron the inboard of buffer substrate form inclosed encapsulation cavity between the display substrate.
According to the utility model discloses a touch screen of other embodiments, be equipped with the filling material in the encapsulation cavity, the filling material is located the display element with between the buffer substrate.
According to the utility model discloses a touch screen of other embodiments, the filler adopts glass to glue.
According to the utility model discloses a touch screen of other embodiments, the upper surface of encapsulation apron still is equipped with the polaroid.
In a second aspect, an embodiment of the present invention provides a touch display device, including the above-mentioned touch screen. The utility model provides a touch-control display device has better display effect.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of a touch screen;
FIG. 2 is a schematic structural view of one embodiment of a protective panel;
fig. 3 is a schematic structural view of another embodiment of the protective panel.
Detailed Description
The conception and the resulting technical effects of the present invention will be described clearly and completely with reference to the following embodiments, so that the objects, features and effects of the present invention can be fully understood. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and other embodiments obtained by those skilled in the art without inventive labor based on the embodiments of the present invention all belong to the protection scope of the present invention.
In the description of the embodiments of the present invention, if an orientation description is referred to, for example, the directions or positional relationships indicated by "upper", "lower", "front", "rear", "left", "right", etc. are based on the directions or positional relationships shown in the drawings, only for convenience of description and simplification of description, but not for indicating or implying that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
In the description of the embodiments of the present invention, if a feature is referred to as being "disposed", "fixed", "connected", or "mounted" on another feature, it can be directly disposed, fixed, or connected to the other feature or indirectly disposed, fixed, connected, or mounted on the other feature. In the description of the embodiments of the present invention, if "a plurality" is referred to, it means one or more, if "a plurality" is referred to, it means two or more, if "greater than", "less than" or "more than" is referred to, it is understood that the number is not included, and if "more than", "less than" or "within" is referred to, it is understood that the number is included. If reference is made to "first" or "second", this should be understood to distinguish between features and not to indicate or imply relative importance or to implicitly indicate the number of indicated features or to implicitly indicate the precedence of the indicated features.
Referring to fig. 1 and 2, the present invention further provides a touch display screen, which includes a protection panel 100 and a touch panel 300, a circumferential ink area 110 is disposed along a circumferential direction of the protection panel 100, the protection panel 100 is enclosed in the ink area 110 to form a visible area 120, the protection panel 100 is attached to an upper surface of the touch panel 300 to protect the touch panel 300, and the protection panel 100 and the touch panel 300 can be fixed by adhesive; the adhesive 400 is arranged between the touch panel 300 and the protection panel 100, a circle of the adhesive 400 is distributed along the ink area 110, the boundary of the adhesive 400 does not exceed the boundary of the ink area 110, and the touch panel 300 is bonded and fixed with the protection panel 100 by arranging the adhesive 400.
In the touch display screen of the embodiment, the adhesive 400 is disposed between the touch panel 300 and the protection panel 100, and the adhesive 400 does not exceed the boundary of the ink area 110 of the protection panel 100, so that after the touch panel 300 is attached to the protection panel 100, the adhesive 400 does not overflow into the visible area 120, which affects the display effect of the touch display screen.
The fact that the adhesive 400 does not exceed the boundary of the ink area 110 means that both sides of the adhesive 400 are located within the boundary of the ink area 110, or one side of the adhesive 400 close to the visible area 120 is located within the area of the ink area 110, and one side of the adhesive 400 far away from the visible area 120 coincides with one side of the ink area 110 far away from the visible area 120. It is conceivable that a certain gap is formed between one side of the bonding glue 400 close to the visible area 120 and the boundary of the ink area 110 close to the visible area 120, so as to provide a flowing margin for deformation of the bonding glue 400 during bonding, and avoid overflow of the bonding glue 400 from the ink area 110.
A semi-vacuum sealed cavity 500 is formed between the inner side of the adhesive 400 and the touch panel 300 and the protection panel 100, the vacuum degree in the sealed cavity 500 is 30% -50%, so that the touch panel 300 and the protection panel 100 have high transmittance and good light refractive index, and water vapor, mist and dust can be prevented from entering between the touch panel 300 and the protection panel 100; in addition, since the visible area 120 of the touch panel 300 is not in direct contact with the protection panel 100, when the touch display screen performs a drop test, the closed cavity 500 can provide a certain buffering effect, so that the touch display screen is prevented from being damaged, and the pass rate of the test is increased.
The strip-shaped adhesive 400 is convenient for the touch panel 300 and the protection panel 100 to be attached and positioned, and the adhesive 400 extends along the boundary of the ink region 110 and surrounds the visible region 120 for one circle. Referring to fig. 2, the bonding adhesive 400 is an integral structure and integrally surrounds the visible area 120, or may be a segmented structure, referring to fig. 3, the bonding adhesive 400 at different segments surrounds the ink area 110 to form a circle, and the bonding adhesives 400 at adjacent segments are butted or have a certain gap therebetween to ensure the sealing property of the sealed cavity 500 between the touch panel 300 and the protection panel 100. The Adhesive 400 can be a UV-curable optically Clear Adhesive (TOCA) film with high transmittance and good ductility, which can prevent the film from rebounding and warping and deforming, and has strong self-Adhesive force, and can be firmly adhered to the touch panel 300 and the display panel 200, thereby improving the stability of the adhesion between the touch panel 300 and the protection panel 100.
The protection panel 100 is made of a transparent insulating material, the transparent insulating material can be glass, quartz, sapphire, polycarbonate, polyethylene terephthalate and the like, the upper surface of the protection panel 100 is coated with a functional coating 600, and the functional coating 600 is a functional coating for preventing fingerprints, preventing glare, preventing scratch and the like and improving the performance of a user.
The display panel 200 is attached to the lower portion of the touch panel 300, the display panel 200 in this embodiment includes a package cover 210, a display unit 220, a display substrate 230, and a buffer substrate 240 sequentially arranged from top to bottom, the buffer substrate 240 is located at the bottom, the buffer substrate 240 is U-shaped, a mounting cavity is formed inside the buffer substrate 240, and the package cover 210 is embedded in the buffer substrate 240. The display substrate 230 may be a thin film transistor array substrate, and the display unit 220 may be an organic light emitting diode including at least an anode, a cathode, and a light emitting layer between the anode and the cathode, and may further include one or more layers of a hole injection layer, a hole transport layer, an electron transport layer, and an electron injection layer.
A sealed package cavity 250 is formed between the package cover plate 210, the inner side of the buffer substrate 240 and the display substrate 230, and the display unit 220 is located in the package cavity 250, so that the display unit 220 is prevented from being invalid after organic materials in the display unit 220 react with water vapor and oxygen, and the service life of the display panel 200 is prolonged.
The package cavity 250 has a filling material 260 disposed therein, and the filling material 260 is disposed between the display unit 220 and the buffer substrate 240. The sealing cover 210 can protect the organic material in the display unit 220, and the filling material 260 assists the sealing cover 210 to prevent water vapor and oxygen from penetrating, so as to ensure that the display panel 200 works normally and has good display image quality. It should be noted that the filling material 260 may be disposed around the display unit 220 to further improve the sealing performance of the package cavity 250; the filling material 260 can be selected from glass cement, which has good water and oxygen barrier performance and good durability.
The polarizer 270 is further disposed on the upper surface of the sealing cover 210, and the polarizer 270 can prevent natural light from entering the display panel 200, polarize the natural light in a specific direction, and prevent the natural light from affecting the image quality of the display panel 200.
The material of the buffer substrate 240 can be selected from buffer foam, and the buffer substrate 240 is set to be U-shaped, so that the buffer substrate 240 can buffer the side and the bottom of the display panel 200, and the edge-breaking or corner-breaking phenomenon when the display panel 200 is impacted by external collision can be avoided.
The utility model also provides a touch-control display device, this touch-control display device include foretell touch-control display screen, improve touch-control display device's display effect through adopting this touch-control display screen. The touch display device can be an electronic device such as an electronic blackboard, a multimedia all-in-one machine and a tablet personal computer.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art. Furthermore, the embodiments of the present invention and features of the embodiments may be combined with each other without conflict.
Claims (10)
1. A touch screen, comprising:
the protective panel is provided with a circle of ink area along the circumferential direction of the protective panel, and the protective panel is enclosed in the area inside the ink area to form a visible area;
the touch panel, the protection panel laminating in the touch panel top, touch panel with be equipped with the laminating glue between the protection panel, the laminating is glued along the printing ink distinguishes cloth and is had the round, the border that the laminating was glued does not surpass outside the boundary in printing ink district.
2. The touch screen of claim 1, wherein the surface of the protective panel is further coated with a functional coating.
3. The touch screen of claim 1, wherein a sealed cavity is formed between the inner side of the adhesive, the touch panel and the protection panel, and the sealed cavity is in a semi-vacuum state.
4. The touch screen of claim 1, wherein the adhesive comprises a plurality of segments, and a gap is formed between adjacent segments of adhesive.
5. The touch screen of any one of claims 1 to 4, further comprising a display panel, wherein the display panel is located below the touch panel, the display panel comprises a package cover plate, a display unit, a display substrate and a buffer substrate, which are sequentially arranged from top to bottom, and the package cover plate is embedded in the buffer substrate.
6. The touch screen of claim 5, wherein a sealed package cavity is formed between the package cover plate, the inner side of the buffer substrate and the display substrate.
7. The touch screen of claim 6, wherein a filler is disposed in the cavity and is located between the display unit and the buffer substrate.
8. The touch screen of claim 7, wherein the filler is a glass cement.
9. The touch screen of claim 5, wherein a polarizer is further disposed on the upper surface of the cover plate.
10. A touch display device comprising the touch screen of any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922056193.3U CN211264281U (en) | 2019-11-25 | 2019-11-25 | Touch screen and touch display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922056193.3U CN211264281U (en) | 2019-11-25 | 2019-11-25 | Touch screen and touch display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211264281U true CN211264281U (en) | 2020-08-14 |
Family
ID=71986441
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922056193.3U Active CN211264281U (en) | 2019-11-25 | 2019-11-25 | Touch screen and touch display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211264281U (en) |
-
2019
- 2019-11-25 CN CN201922056193.3U patent/CN211264281U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Touch screen and touch display devices Granted publication date: 20200814 Pledgee: Guangdong Development Bank Limited by Share Ltd. Shenzhen branch Pledgor: Shenzhen Yixin New Materials Co.,Ltd. Registration number: Y2024980023603 |