CN212694717U - Display device - Google Patents
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- CN212694717U CN212694717U CN202021357231.5U CN202021357231U CN212694717U CN 212694717 U CN212694717 U CN 212694717U CN 202021357231 U CN202021357231 U CN 202021357231U CN 212694717 U CN212694717 U CN 212694717U
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- display screen
- adhesive
- backlight
- display device
- display
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- 239000000853 adhesive Substances 0.000 claims abstract description 84
- 230000001070 adhesive effect Effects 0.000 claims abstract description 84
- 230000003287 optical effect Effects 0.000 claims description 8
- 238000012797 qualification Methods 0.000 abstract description 5
- 238000000926 separation method Methods 0.000 description 8
- 239000004372 Polyvinyl alcohol Substances 0.000 description 4
- 229920002451 polyvinyl alcohol Polymers 0.000 description 4
- 230000001681 protective effect Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 229920002284 Cellulose triacetate Polymers 0.000 description 2
- 239000004820 Pressure-sensitive adhesive Substances 0.000 description 2
- NNLVGZFZQQXQNW-ADJNRHBOSA-N [(2r,3r,4s,5r,6s)-4,5-diacetyloxy-3-[(2s,3r,4s,5r,6r)-3,4,5-triacetyloxy-6-(acetyloxymethyl)oxan-2-yl]oxy-6-[(2r,3r,4s,5r,6s)-4,5,6-triacetyloxy-2-(acetyloxymethyl)oxan-3-yl]oxyoxan-2-yl]methyl acetate Chemical compound O([C@@H]1O[C@@H]([C@H]([C@H](OC(C)=O)[C@H]1OC(C)=O)O[C@H]1[C@@H]([C@@H](OC(C)=O)[C@H](OC(C)=O)[C@@H](COC(C)=O)O1)OC(C)=O)COC(=O)C)[C@@H]1[C@@H](COC(C)=O)O[C@@H](OC(C)=O)[C@H](OC(C)=O)[C@H]1OC(C)=O NNLVGZFZQQXQNW-ADJNRHBOSA-N 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 230000004313 glare Effects 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 230000008093 supporting effect Effects 0.000 description 2
- 230000004304 visual acuity Effects 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 239000013464 silicone adhesive Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
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- Liquid Crystal (AREA)
Abstract
The utility model discloses a display device, wherein, display device includes: the display module comprises a display screen and a backlight source which are arranged in a stacked mode; the first adhesive piece is arranged on the surface, facing the display screen, of the backlight source and is arranged on the periphery of the backlight source; and the second adhesive part is arranged on the side surfaces of the display screen and the backlight source so as to fixedly connect the display screen and the backlight source, and the viscosity of the second adhesive part is greater than that of the first adhesive part under the low-temperature condition. The utility model discloses the qualification rate is high when display device disassembles.
Description
Technical Field
The utility model relates to a show technical field, in particular to display device.
Background
Among the present display device, be equipped with the blind hole that is used for holding camera and/or optical sensor mostly, the pursuit that accounts for the ratio to the screen along with the display industry, blind hole and double blind hole type number are more and more, apron and display panel carry out fixed connection through the optical cement, adsorb debris such as dust easily when the equipment between apron and the display panel, consequently, need carry out the split with apron and display panel, the blind hole area is shaded and is disassembled the degree of difficulty and more big, and the blind hole area is shaded and separates the mode of disassembling of present trade and mainly has hot separation and cold separation two kinds of modes, the cold separation mode is: the low-temperature freezing is carried out firstly and then the external force separation is carried out through an industrial refrigerator or liquid nitrogen and the like. Under microthermal state, because the gluey adhesive area and the adhesiveness of gluing in a poor light in the display panel are low, the gluey inefficacy in a poor light can be earlier than the optical cement, disassemble in-process in a poor light will separate with the display screen, and the frost of refrigerator inside falls into in being shaded easily, melts into water after the temperature returns and causes the pollution in a poor light, and the disability rate in a poor light is high, and the product yield is difficult to control.
The above is only for the purpose of assisting understanding of the technical solutions of the present application, and does not represent an admission that the above is prior art.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims at providing a display device aims at improving the qualification rate of product.
In order to achieve the above object, the present invention provides a display device, including:
the display module comprises a display screen and a backlight source which are arranged in a stacked mode;
the first adhesive piece is arranged on the surface, facing the display screen, of the backlight source and is arranged on the periphery of the backlight source; and
the second adhesive piece is arranged on the side faces of the display screen and the backlight source so as to fixedly connect the display screen and the backlight source, and the viscosity of the second adhesive piece is greater than that of the first adhesive piece under the low-temperature condition.
Optionally, the display device further includes:
the cover plate is arranged on the surface of the display screen, which is far away from the backlight source; and
and the third adhesive piece is clamped between the cover plate and the display screen.
Optionally, the display module further includes an upper polarizer, the upper polarizer is disposed on the surface of the display screen far away from the backlight source, and the third adhesive member is clamped between the cover plate and the upper polarizer.
Optionally, an elastic member is disposed at an edge of the display screen, and the elastic member is disposed on a surface of the display screen facing the cover plate.
Optionally, the first adhesive member is a double-sided adhesive tape;
and/or the second adhesive piece is peelable adhesive;
and/or the third adhesive piece is optical adhesive.
Optionally, the display module further includes a lower polarizer, the lower polarizer is sandwiched between the display screen and the backlight source, and the second adhesive is disposed on the side surfaces of the display screen, the lower polarizer and the backlight source.
Optionally, the thickness ranges of the display screen and the lower polarizer are 0.45 mm-0.55 mm.
Optionally, the thickness range of the backlight source is 0.81mm to 0.91 mm.
Optionally, the thickness of the second adhesive part along a direction perpendicular to the cover plate ranges from 0.95mm to 1.05 mm.
Optionally, the second adhesive pieces are arranged on two opposite sides of the display screen and the backlight source.
The utility model discloses display device includes the display module assembly, first sticky and the sticky of second, wherein display module assembly is including range upon range of display screen and the backlight that sets up, the surface of backlight towards the display screen is located to first sticky, and locate the periphery of backlight, this application is through addding the sticky of second in the side of display screen and backlight, when adopting cold separation mode to separate apron and display module assembly, because the sticky cooperation of first sticky and second carries out fixed connection with display screen and backlight jointly, and the viscosity of the sticky of second is greater than the viscosity of first sticky, even first sticky has become invalid, the sticky of second still can link together display screen and backlight, the joint strength between display screen and the backlight has been improved, the backlight is difficult to separate with the display screen, the qualification rate of product has been improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an embodiment of a display device according to the present invention;
fig. 2 is a schematic side view of the display device of fig. 1.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 100 | |
20 | First |
| 10 | |
30 | Second |
| 11 | |
40 | |
| 12 | |
50 | Third |
| 13 | |
60 | |
| 14 | Lower polarizer |
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The utility model provides a display device 100.
Referring to fig. 1 and 2, in an embodiment of the present invention, the display device 100 includes:
the display module 10 comprises a display screen 11 and a backlight source 12 which are arranged in a stacked mode;
the first adhesive 20 is arranged on the surface of the backlight 12 facing the display screen 11, and is arranged on the periphery of the backlight 12; and
and the second adhesive 30 is arranged on the side surfaces of the display screen 11 and the backlight 12 so as to fixedly connect the display screen 11 and the backlight 12, and the viscosity of the second adhesive 30 is greater than that of the first adhesive 20 under a low-temperature condition.
Specifically, the backlight 12 is used to supply a light source and modulate the light source onto the display panel 11, the backlight 12 has a substantially plate-like structure, the backlight 12 and the display panel 11 are connected by the first adhesive 20, and the light source and other structures need to be provided in the middle of the backlight 12, so that the width of the first adhesive 20 is set to 1mm to 2mm, and the first adhesive 20 is annularly provided along the periphery of the backlight 12. First sticky 20 both can realize backlight 12 and display screen 11's fixed connection, can also effectively the shading, and the light leak appears in the light of avoiding backlight 12 to send.
The second adhesive 30 is disposed on the side surfaces of the display screen 11 and the backlight 12, and it is understood that the backlight 12 is a quadrilateral, and the second adhesive 30 may be disposed on only one side surface, or two side surfaces, or three side surfaces of the display screen 11 and the backlight 12, and due to the overall structural limitation of the display device 100, in this embodiment, the second adhesive 30 is disposed on two opposite sides of the display screen 11 and the backlight 12. When cold separation is performed, since the first adhesive material 20 and the second adhesive material 30 are provided between the display panel 11 and the backlight 12, the contact area between the two is increased, and therefore, the connection strength is high, and separation is not easy. And under the low temperature condition, the viscosity of second adhesive 30 is greater than the viscosity of first adhesive 20, the temperature range of this low temperature condition is 80 degrees to 105 degrees below zero, contain endpoint value, because the viscosity of second adhesive 30 is greater than the viscosity of first adhesive 20, therefore when first adhesive 20 has failed, second adhesive 30 still has viscidity, display screen 11 and backlight 12 are difficult to separate, the light leak phenomenon is difficult to appear, and frost is difficult to drop to the gap between backlight 12 and the display screen 11, can effectively improve the qualification rate of product.
The display device 100 further includes a camera and/or an optical sensor (not shown), the display module 10 is provided with a blind hole (not shown), and the camera and/or the optical sensor are located in the blind hole. The requirement for the display device 100 is met, the practicability of the display device 100 is improved, the display effect of the whole screen can be achieved, and the high integration of the display device 100 is facilitated.
The display device 100 of the present invention comprises a display module 10, a first adhesive member 20 and a second adhesive member 30, wherein the display module 10 includes a display screen 11 and a backlight 12 arranged in a stacked manner, the first adhesive member 20 is disposed on the surface of the backlight 12 facing the display screen 11 and is disposed at the periphery of the backlight 12, the second adhesive member 30 is added at the side of the display screen 11 and the backlight 12, when the cover plate 40 is separated from the display module 10 by cold separation, because the first adhesive member 20 and the second adhesive member 30 cooperate to fixedly connect the display screen 11 and the backlight 12, and the viscosity of the second adhesive member 30 is greater than that of the first adhesive member 20, even if the first adhesive member 20 fails, the second adhesive member 30 can still connect the display screen 11 and the backlight 12 together, so as to improve the connection strength between the display screen 11 and the backlight 12, and the backlight 12 is not easily separated from the display screen 11, the qualification rate of the product is improved.
Further, the display device 100 further includes:
the cover plate 40 is arranged on the surface of the display screen 11 far away from the backlight 12; and
and a third adhesive 50, wherein the third adhesive 50 is sandwiched between the cover plate 40 and the display screen 11.
In this embodiment, the cover 40 may be a cover provided with a touch sensor, that is, the cover 40 may be a touch screen. The third adhesive 50 is sandwiched between the cover plate 40 and the display screen 11, wherein the third adhesive 50 is in surface contact with the cover plate 40 and the display screen 11, and the contact area is large, which is helpful for improving the connection strength between the cover plate 40 and the display screen 11.
Referring to fig. 2 again, the display module 10 further includes an upper polarizer 13, the upper polarizer 13 is disposed on the surface of the display screen 11 away from the backlight 12, and the third adhesive 50 is sandwiched between the cover plate 40 and the upper polarizer 13.
In this embodiment, the first polarizer 13 functions to filter stray light and to filter 99% glare and to enhance visual acuity and to improve color contrast and maximum visual comfort. The basic structure of the first polarizer 13 includes: the most central PVA (polyvinyl alcohol), two layers of TAC (cellulose triacetate), PSA film (pressure sensitive adhesive), Release film (Release film) and Protective film (Protective film). The length of the first polarizer 35 is not greater than the length of the display panel 11.
Further, in order to prevent the display device 100 from being broken when falling, the edge of the display screen 11 is provided with an elastic member 60, and the elastic member 60 is disposed on the surface of the display screen 11 facing the cover plate 40. The elastic member 60 has the functions of filling and elasticity, when the display device 100 falls from a high place, the elastic member 60 can counteract partial stress at the corners of the display screen 11, and the elastic member 60 can be silicone adhesive, foam, etc., as long as the material has the functions of elasticity and filling, which are within the protection scope of the present patent.
Further, first sticky 20 both can realize backlight 12 and display screen 11's fixed connection, can also effectively block out light, avoids the light leak to appear in the light that backlight 12 sent. In one embodiment, the first adhesive member 20 is a double-sided tape, such as epoxy resin.
In one embodiment, the second adhesive 30 has a certain fluidity, and the second adhesive 30 is a peelable glue, such as taffy glue.
In an embodiment, the third adhesive member 50 is in a semi-solid state and is transparent to the light emitted from the display screen 11, and the third adhesive member 50 is an optical adhesive, such as a shadowless adhesive.
Referring to fig. 2 again, the display module 10 further includes a lower polarizer 14, the lower polarizer 14 is sandwiched between the display screen 11 and the backlight 12, and the second adhesive member 30 is disposed on the side surfaces of the display screen 11, the lower polarizer 14 and the backlight 12.
In this embodiment, the second polarizer 14 functions to filter stray light and to filter 99% glare and to enhance visual acuity and to improve color contrast and maximum visual comfort. The basic structure of the second polarizer 14 includes: the most central PVA (polyvinyl alcohol), two layers of TAC (cellulose triacetate), PSA film (pressure sensitive adhesive), Release film (Release film) and Protective film (Protective film). The light transmission directions of the first polarizer 13 and the second polarizer 14 are perpendicular. The length of second polarizer 14 is no greater than the length of backlight 12.
In one embodiment, the thickness of the display screen 11 and the lower polarizer 14 ranges from 0.45mm to 0.55 mm.
It can be understood that, since the overall thickness of the display device 100 is customized according to the user's requirements, when the thickness of the display screen 11 and the lower polarizer 14 is less than 0.45mm, the thickness of other components is too thick to be installed. When the thickness of the display screen 11 and the lower polarizer 14 is greater than 0.55mm, the thickness of other components is too thin, the strength is not sufficient, and the supporting effect is not good, so that the thickness of the display screen 11 and the thickness of the lower polarizer 14 are set to be between 0.45mm and 0.55mm, and optionally, the thickness of the display screen 11 and the thickness of the lower polarizer 14 are set to be between 0.48mm and 0.51mm, or between 0.50mm and 0.53 mm. Wherein numerical ranges are inclusive of the endpoints.
In one embodiment, the thickness of the backlight 12 ranges from 0.81mm to 0.91 mm.
It will be appreciated that the thickness of the backlight 12 is customized by the user, and that a thickness of the backlight 12 greater than 0.91mm results in a backlight 12 that is too thick to fit in. When the thickness of the backlight 12 is less than 0.81mm, since components such as a light source and the like need to be arranged inside the backlight 12, the thickness of the backlight 12 is too thin, the overall structural strength is not strong, and the supporting effect is not good, so that the thickness of the backlight 12 is suitably set between 0.81mm and 0.91mm, and optionally, the thickness of the backlight 12 is 0.85mm to 0.90mm, or 0.83mm to 0.89 mm. Wherein numerical ranges are inclusive of the endpoints.
In one embodiment, the thickness of the second adhesive member 30 along the direction perpendicular to the cover plate 40 ranges from 0.95mm to 1.05 mm.
It can be understood that the second adhesive member 30 needs to have a certain thickness for adhering the backlight 12 and the display panel 11, and when the thickness of the second adhesive member 30 in the direction perpendicular to the cover plate 40 is less than 0.95mm, the adhesion is not strong, so that the backlight 12 and the display panel 11 are easily separated at low temperature. And when the thickness of the second adhesive member 30 in the direction perpendicular to the cover plate 40 is greater than 1.05mm, the second adhesive member 30 occupies a large space, and the overall structure is poor in aesthetic property, so that the thickness of the second adhesive member 30 in the direction perpendicular to the cover plate 40 is preferably set to be between 0.95mm and 1.05mm, and optionally, the thickness of the second adhesive member 30 in the direction perpendicular to the cover plate 40 is set to be between 1.00mm and 1.05mm, or between 1.00mm and 1.02 mm. Wherein numerical ranges are inclusive of the endpoints.
The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made by the contents of the specification and the drawings under the inventive concept of the present invention, or the direct/indirect application in other related technical fields are included in the patent protection scope of the present invention.
Claims (10)
1. A display device, comprising:
the display module comprises a display screen and a backlight source which are arranged in a stacked mode;
the first adhesive piece is arranged on the surface, facing the display screen, of the backlight source and is arranged on the periphery of the backlight source; and
the second adhesive piece is arranged on the side faces of the display screen and the backlight source so as to fixedly connect the display screen and the backlight source, and the viscosity of the second adhesive piece is greater than that of the first adhesive piece under the low-temperature condition.
2. The display device of claim 1, wherein the display device further comprises:
the cover plate is arranged on the surface of the display screen, which is far away from the backlight source; and
and the third adhesive piece is clamped between the cover plate and the display screen.
3. The display device according to claim 2, wherein the display module further comprises an upper polarizer, the upper polarizer is disposed on a surface of the display screen away from the backlight source, and the third adhesive member is sandwiched between the cover plate and the upper polarizer.
4. The display device as claimed in claim 2, wherein the edge of the display screen is provided with an elastic member, and the elastic member is provided on a surface of the display screen facing the cover plate.
5. The display device according to claim 2, wherein the first adhesive member is a double-sided tape;
and/or the second adhesive piece is peelable adhesive;
and/or the third adhesive piece is optical adhesive.
6. The display device according to any one of claims 1 to 5, wherein the display module further comprises a lower polarizer, the lower polarizer is sandwiched between the display screen and the backlight source, and the second adhesive is disposed on the side surfaces of the display screen, the lower polarizer and the backlight source.
7. The display device of claim 6, wherein the thickness of the display screen and the lower polarizer ranges from 0.45mm to 0.55 mm.
8. The display device of claim 1, wherein the backlight source has a thickness in a range from 0.81mm to 0.91 mm.
9. The display device according to claim 2, wherein the second adhesive member has a thickness in a direction perpendicular to the cover plate in a range of 0.95mm to 1.05 mm.
10. The display apparatus of claim 1, wherein the second adhesive is disposed on opposite sides of the display screen and the backlight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021357231.5U CN212694717U (en) | 2020-07-10 | 2020-07-10 | Display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021357231.5U CN212694717U (en) | 2020-07-10 | 2020-07-10 | Display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212694717U true CN212694717U (en) | 2021-03-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021357231.5U Active CN212694717U (en) | 2020-07-10 | 2020-07-10 | Display device |
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| Country | Link |
|---|---|
| CN (1) | CN212694717U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113391722A (en) * | 2021-05-26 | 2021-09-14 | 深圳市中深光电股份有限公司 | Method for disassembling touch screen |
| CN113741072A (en) * | 2021-09-24 | 2021-12-03 | 湖北长江新型显示产业创新中心有限公司 | Disassembling process of display module |
-
2020
- 2020-07-10 CN CN202021357231.5U patent/CN212694717U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113391722A (en) * | 2021-05-26 | 2021-09-14 | 深圳市中深光电股份有限公司 | Method for disassembling touch screen |
| CN113741072A (en) * | 2021-09-24 | 2021-12-03 | 湖北长江新型显示产业创新中心有限公司 | Disassembling process of display module |
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