CN114360371A - Display screen assembly and display device - Google Patents
Display screen assembly and display device Download PDFInfo
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- CN114360371A CN114360371A CN202111446680.6A CN202111446680A CN114360371A CN 114360371 A CN114360371 A CN 114360371A CN 202111446680 A CN202111446680 A CN 202111446680A CN 114360371 A CN114360371 A CN 114360371A
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- screen
- screen body
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- conductive layer
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- 239000010410 layer Substances 0.000 claims abstract description 154
- 239000011241 protective layer Substances 0.000 claims abstract description 42
- 239000000758 substrate Substances 0.000 claims abstract description 38
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 17
- 239000010931 gold Substances 0.000 claims description 17
- 229910052737 gold Inorganic materials 0.000 claims description 17
- 239000003292 glue Substances 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 10
- 239000000126 substance Substances 0.000 claims 1
- 230000005611 electricity Effects 0.000 abstract description 3
- 230000007797 corrosion Effects 0.000 abstract 1
- 238000005260 corrosion Methods 0.000 abstract 1
- 230000003647 oxidation Effects 0.000 abstract 1
- 238000007254 oxidation reaction Methods 0.000 abstract 1
- 239000004743 Polypropylene Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000009969 flowable effect Effects 0.000 description 1
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The embodiment of the invention relates to the technical field of display, and discloses a display screen assembly and a display device, wherein the display screen assembly comprises a screen body conducting layer, a screen body protective layer and an FPC (flexible printed circuit); the screen body conducting layer comprises a first area and a second area which are adjacent; the screen body protective layer is arranged on the screen body conductive layer and covers the first area; FPC includes the link, and the link sets up on the screen body conducting layer, and the link includes substrate and golden finger, and the substrate covers the second area, and the substrate includes main part and the extension portion that links to each other with the main part, and the golden finger is located one side that the main part is close to the screen body conducting layer and is connected with screen body conducting layer electricity, and the screen body protective layer is located one side that the main part was kept away from to the extension portion. Compared with the prior art, the display screen assembly and the display device provided by the embodiment of the invention can avoid the oxidation and corrosion of the conductive layer of the screen body, thereby reducing the probability of damage of the display screen assembly.
Description
Technical Field
The embodiment of the invention relates to the technical field of display, in particular to a display screen assembly and a display device.
Background
At present, a display screen assembly for display is provided with a screen conductive layer, a screen protective layer and an FPC (Flexible Printed Circuit), wherein the screen protective layer is disposed on the screen conductive layer to protect the screen conductive layer, the FPC includes a connection end, and the connection end is disposed on the screen conductive layer to enable other devices to control the screen conductive layer through the FPC.
In the prior art, after the screen body conducting layer, the screen body protective layer and the FPC are assembled, the screen body conducting layer is easily oxidized and corroded, and then the display screen assembly is easily damaged.
Disclosure of Invention
The embodiment of the invention aims to provide a display screen assembly and a display device, which can prevent a conductive layer of a screen body from being oxidized and corroded, further reduce the probability of damage of the display screen assembly and prolong the service life of the display screen assembly.
To solve the above technical problem, an embodiment of the present invention provides a display screen assembly, including: a screen body conducting layer, a screen body protective layer and an FPC; the screen body conducting layer comprises a first area and a second area which are adjacent; the screen body protective layer is arranged on the screen body conductive layer and covers the first area; FPC includes the link, and the link sets up on the screen body conducting layer, and the link includes substrate and golden finger, and the substrate covers the second area, and the substrate includes main part and the extension portion that links to each other with the main part, and the golden finger is located one side that the main part is close to the screen body conducting layer and is connected with screen body conducting layer electricity, and the screen body protective layer is located one side that the main part was kept away from to the extension portion.
In addition, the screen body protective layer comprises a bottom surface covering the first area and a first side surface which is connected with the bottom surface and is adjacent to the golden finger, and the lengthened part is abutted to the first side surface. Therefore, no interval is reserved between the screen body protective layer and the lengthening part, and therefore the first area and the second area of the screen body conducting layer are further covered by the structure, and further the screen body conducting layer is prevented from being oxidized and corroded.
In addition, the lengthening part comprises a first lengthening body connected with the main body part and a second lengthening body connected with the first lengthening body, the second lengthening body is positioned on one side, far away from the main body part, of the first lengthening body, the first lengthening body is fixedly connected with the conducting layer of the screen body, and the second lengthening body is fixedly connected with the first side face. Therefore, the contact area between the lengthened part and the screen body protective layer can be increased, and further, water vapor and the like are prevented from permeating between the lengthened part and the screen body protective layer and enabling the screen body conductive layer to be oxidized and corroded.
In addition, the second elongated body comprises a second side surface which is arranged opposite to the joint of the first elongated body and the second elongated body; the distance between the joint of the first elongated body and the second side surface is 0.02mm-0.08 mm; preferably, the distance between the joint of the first elongated body and the second side surface is 0.05 mm. A specific possible embodiment is provided.
In addition, the orthographic projection of the golden finger on the screen conductive layer is positioned in the orthographic projection of the main body part on the screen conductive layer. The golden finger can be ensured to be completely positioned on the main body part.
In addition, the lengthened part is bonded with the screen body conducting layer through the glue layer, or is bonded with both the screen body conducting layer and the screen body protective layer. Thus, the stability of the fixation between the lengthened part and the screen body conducting layer and/or the screen body protective layer can be increased.
In addition, the above display screen assembly further includes: further comprising: a screen body substrate; the screen body conducting layer and the screen body protective layer are sequentially stacked on the screen body base material; preferably, the screen substrate is a touch screen substrate.
In addition, the screen body conductive layer is a touch screen body conductive layer, and the screen body protective layer is a touch screen body protective layer.
In addition, the golden finger is connected with the conducting layer of the screen body in a bonding way. A specific connection mode of the golden finger and the screen body conducting layer is provided.
In addition, an embodiment of the present invention also provides a display device including: the display screen assembly is provided.
Compared with the related art, the golden finger is connected with the lengthened part through the main body part, the golden finger is positioned on one side of the main body part, which is close to the screen body conducting layer, and is electrically connected with the screen body conducting layer, and the screen body protecting layer is positioned on one side of the lengthened part, which is far away from the main body part, so that the lengthened part is arranged between the golden finger and the screen body protecting layer, and the golden finger and the screen body protecting layer are prevented from being interfered; through the setting of screen body protective layer on screen body conducting layer to cover first region, the substrate covers the second region, can make first region and the second region of screen body conducting layer all have the structure to cover, thereby avoid screen body conducting layer to be oxidized and corrode, and then reduce the probability that the display screen subassembly takes place to damage, with the life of improvement display screen subassembly.
Drawings
One or more embodiments are illustrated by way of example in the accompanying drawings, which correspond to the figures in which like reference numerals refer to similar elements and which are not to scale unless otherwise specified.
FIG. 1 is a cross-sectional view of a display screen assembly provided in accordance with a first embodiment of the present invention;
FIG. 2 is a cross-sectional view of the display screen assembly of the first embodiment of the present invention, shown exploded;
FIG. 3 is a cross-sectional view of a display screen assembly provided in accordance with a second embodiment of the present invention;
fig. 4 is an exploded cross-sectional view of a display panel assembly according to a second embodiment of the present invention.
Detailed Description
As shown in the background art, the inventors found that at least the following problems exist in the related art: at the equipment screen body conducting layer, during screen body protective layer and FPC, because the link includes the golden finger, in order to avoid setting up the screen body protective layer on screen body conducting layer and the golden finger of the link of setting on screen body conducting layer to produce the interference, make usually to have the interval between screen body protective layer and the link, however, this interval leads to screen body conducting layer just to the part of the interval between screen body protective layer and the link to run short of outside, thereby make the screen body conducting layer easily oxidized and corrode, and then cause the display screen subassembly to easily take place the damage, reduce the life of display screen subassembly.
The first embodiment of the invention relates to a display screen assembly, which is characterized in that the golden finger is connected with the lengthened part through the main body part, the golden finger is positioned at one side of the main body part, which is close to the screen body conducting layer, and is electrically connected with the screen body conducting layer, the screen body protecting layer is positioned at one side of the lengthened part, which is far away from the main body part, so that a gap is formed between the golden finger and the screen body protecting layer, and the golden finger and the screen body protecting layer are prevented from being interfered; through the setting of screen body protective layer on screen body conducting layer to cover first region, the substrate covers the second region, can make first region and the second region of screen body conducting layer all have the structure to cover, thereby avoid screen body conducting layer to be oxidized and corrode, and then reduce the probability that the display screen subassembly takes place to damage, with the life of improvement display screen subassembly.
In order to make the objects, technical solutions and advantages of the first embodiment of the present invention more apparent, the first embodiment of the present invention will be described in detail with reference to the accompanying drawings. However, it will be appreciated by those skilled in the art that in the first embodiment of the invention, numerous technical details are set forth in order to provide a better understanding of the invention. However, the technical solution claimed in the present invention can be implemented without these technical details and various changes and modifications based on the following first embodiment.
Referring to fig. 1 and 2, a display panel assembly according to a first embodiment of the present invention includes: a screen body conductive layer 110, a screen body protective layer 120 and an FPC 130; the screen conductive layer 110 includes a first region 111 and a second region 112 adjacent to each other; the screen body protection layer 120 is arranged on the screen body conductive layer 110 and covers the first area 111; the FPC130 includes a connection terminal 131, the connection terminal 131 is disposed on the screen conductive layer 110, the connection terminal 131 includes a substrate 132 and a gold finger 133, the substrate 132 covers the second region 112, the substrate 132 includes a main body portion 134 and an elongated portion 135 connected to the main body portion 134, the gold finger 133 is located on a side of the main body portion 134 close to the screen conductive layer 110 and electrically connected to the screen conductive layer 110, and the screen protection layer 120 is located on a side of the elongated portion 135 away from the main body portion 134.
For convenience of describing the structures of the panel conductive layer 110 and the substrate 132, the structures of the panel conductive layer 110 and the substrate 132 are divided by dotted lines in fig. 1 and 2, and the dotted lines are not used to identify the cross-sections of the panel conductive layer 110 and the substrate 132.
In addition, it should be noted that fig. 1 only shows a connection terminal 131 where the FPC130 is connected to the panel conductive layer 110, and does not show other structures of the FPC130, such as another connection terminal where the FPC130 is connected to other devices.
Specifically, in the present embodiment, the panel conductive layer 110 is a touch panel conductive layer, and the panel protective layer 120 is a touch panel protective layer, so that the display panel assembly has a touch function. In some embodiments, the display panel assembly may also have no touch function, in which case, the panel conductive layer 110 may be a panel conductive layer without a touch function, and the panel protection layer 120 may be a panel protection layer without a touch function.
Further, the display screen assembly further includes: a panel substrate 140; the panel conductive layer 110 and the panel protective layer 120 are sequentially stacked on the panel substrate 140. Specifically, since the panel conductive layer 110 in the present embodiment is a touch panel conductive layer and the panel protective layer 120 is a touch panel protective layer, the panel substrate 140 is also a touch panel substrate to ensure the touch function of the display panel assembly. In some embodiments, the panel substrate 140 may not be a touch panel substrate, since the display panel assembly may not have a touch function.
More specifically, in this embodiment, the material of the panel conductive layer 110 is ITO (indium tin oxide), and the material of the panel protective layer 120 is PP (polypropylene). However, in some embodiments, the material of the panel conductive layer 110 may not be ITO, and the material of the panel protection layer 120 may not be PP, so long as the material of the panel conductive layer 110 has a conductive function, and the panel protection layer 120 may be used to protect the panel conductive layer 110.
It should be noted that, in the related art, the edge of the substrate 132 is flush with the edge of the gold finger 133, which easily causes the edge of the gold finger 133 to separate from the edge of the substrate 132, so that the edge of the gold finger 133 is tilted away from the substrate 132. In the embodiment, the gold finger 133 is disposed on the main body 134 of the substrate 132 near the screen conductive layer 110, and the substrate 132 is disposed with the elongated portion 135 connected to the main body 134, so that the edge of the substrate 132 is prevented from being flush with the edge of the gold finger 133, and the edge of the gold finger 133 is prevented from being separated from the substrate 132.
Preferably, an orthogonal projection of the gold finger 133 on the screen conductive layer 110 is located within an orthogonal projection of the main body 134 on the screen conductive layer 110. Thus, the edge of the substrate 132 is further prevented from being flush with the edge of the gold finger 133, and the edge of the gold finger 133 is further prevented from being separated from the substrate 132.
In this embodiment, the panel protection layer 120 includes a bottom surface 121 covering the first region 111 and a first side surface 122 connected to the bottom surface 121 and adjacent to the gold finger 133, and the extension 135 abuts against the first side surface 122. Specifically, because the screen body protection layer 120 is located on the side of the elongated portion 135 away from the main body portion 134, the elongated portion 135 is connected to the main body portion 134, and the elongated portion 135 is still abutted to the first side surface 122, it can be ensured that the area of the screen body conductive layer 110 facing the space between the screen body protection layer 120 and the main body portion 134 is covered by the elongated portion 135, so as to further ensure that the first area 111 and the second area 112 of the screen body conductive layer 110 are both covered by structures, thereby preventing the screen body conductive layer 110 from being oxidized and corroded. Preferably, in the present embodiment, the first side surface 122 is perpendicular to the screen conductive layer 110.
Referring to fig. 3 and 4, a second embodiment of the present invention provides a display panel assembly, which is substantially the same as the display panel assembly provided by the first embodiment of the present invention, except that: in this embodiment, the elongated portion 135 includes a first elongated body 136 connected to the main body 134 and a second elongated body 137 connected to the first elongated body 136, the second elongated body 137 is located on a side of the first elongated body 136 away from the main body 134, the first elongated body 136 is fixedly connected to the screen conductive layer 110, and the second elongated body 137 is fixedly connected to the first side surface 122, that is, the second elongated body 137 is fixedly connected to the screen protective layer 120.
Specifically, in the present embodiment, the first elongated body 136 may be used to cover the interval between the panel conductive layer 110 facing the panel protection layer 120 and the main body 134, so that the first region 111 and the second region 112 of the panel conductive layer 110 are both covered by the structure. The second elongated member 137 is fixedly connected to the first side surface 122 and is used to increase a contact area between the elongated portion 135 and the screen protection layer 120, so as to prevent moisture from penetrating between the elongated portion 135 and the screen protection layer 120 and to oxidize and corrode the screen conductive layer 110.
In addition, in this embodiment, second elongated body 137 includes a second side 138 disposed opposite where first elongated body 136 and second elongated body 137 join. Since the junction of first elongated body 136 and second elongated body 137 is spaced from second side 138. Therefore, if the manufactured first elongated body 136 cannot cover the space between the screen conductive layer 110 and the main body portion 134, the first elongated body 136 and at least a portion of the second elongated body 137 together cover the space between the screen conductive layer 110 and the main body portion 134.
Preferably, the distance between the joint of the first elongated body 136 and the second elongated body 137 and the second side surface 138 is 0.02mm to 0.08 mm. Thus, even if the first elongated body 136 after production cannot cover the space between the panel conductive layer 110 and the main body portion 134, the first elongated body 136 and at least a part of the second elongated body 137 can cover the space between the panel conductive layer 110 and the main body portion 134. In the present embodiment, the distance between the joint of the first elongated body 136 and the second elongated body 137 and the second side surface 138 is 0.05 mm. In some embodiments, the distance between the joint of the first elongated body 136 and the second elongated body 137 and the second side surface 138 may also be 0.07 mm.
Preferably, in the present embodiment, the gold finger 133 is bonded to the screen conductive layer 110, so that other devices can control the screen conductive layer 110 through the FPC 130. In some embodiments, the gold finger 133 may not be directly bonded to the screen conductive layer 110, as long as other devices can control the screen conductive layer 110 through the FPC 130.
Further, the extension 135 is bonded to the panel conductive layer 110 through a glue layer (not shown), or the extension 135 is bonded to the panel conductive layer 110 and the panel protection layer 120 through a glue layer (not shown). Thus, the stability of the fixation between the elongated portion 135 and the panel conductive layer 110 or the panel protection layer 120 can be increased.
Specifically, the elongated portion 135 of the present embodiment includes a first elongated body 136 and a second elongated body 137, wherein the first elongated body 136 is bonded to the screen conductive layer 110 through a glue layer.
More specifically, since the golden finger 133 of the present embodiment is bonded to the panel conductive layer 110, when the golden finger 133 is bonded to the panel conductive layer 110, glue needs to be disposed between the connecting end 131 and the panel conductive layer 110, so that the glue layer for bonding the extension portion 135 and the panel conductive layer 110 can be disposed together when the golden finger 133 is bonded to the panel conductive layer 110, thereby reducing the complexity of the process for manufacturing the display panel assembly.
In addition, since the second elongated body 137 is fixed to the first side surface 122, in this embodiment, a glue layer is also disposed between the second elongated body 137 and the first side surface 122, that is, the elongated portion 135 is adhered to the screen conductive layer 110 and the screen protection layer 120 via the glue layer, so as to increase the stability of the fixing between the second elongated body 137 and the first side surface 122. Specifically, in this embodiment, when the glue is disposed between the first elongated body 136 and the panel conductive layer 110 and the glue is in a flowable state, the glue between the first elongated body 136 and the panel conductive layer 110 can flow between the second elongated body 137 and the first side surface 122 under the extrusion of the first elongated body 136 and the panel conductive layer 110, so as to bond and fix the second elongated body 137 and the first side surface 122. Therefore, glue does not need to be separately arranged between the second elongated body 137 and the first side surface 122, and the process complexity in manufacturing the display screen assembly is further reduced.
A third embodiment of the present invention relates to a display device including: a display screen assembly.
Specifically, the display screen assembly includes: a screen body conducting layer, a screen body protective layer and an FPC; the screen body conducting layer comprises a first area and a second area which are adjacent; the screen body protective layer is arranged on the screen body conductive layer and covers the first area; FPC includes the link, and the link sets up on the screen body conducting layer, and the link includes substrate and golden finger, and the substrate covers the second area, and the substrate includes main part and the extension portion that links to each other with the main part, and the golden finger is located one side that the main part is close to the screen body conducting layer and is connected with screen body conducting layer electricity, and the screen body protective layer is located one side that the main part was kept away from to the extension portion.
In fact, the display device according to the present embodiment includes the same display panel assembly as the display panel assembly included in the first embodiment or the second embodiment. Therefore, the display device according to this embodiment includes the display panel assembly having the same advantageous effects as the display panel assembly included in the first embodiment or the second embodiment, and the description thereof is omitted.
Preferably, the display device provided in this embodiment is a smartphone. In some embodiments, the display device may also be a device having a display screen assembly, such as a smart watch, and this embodiment is not limited thereto.
It will be understood by those of ordinary skill in the art that the foregoing embodiments are specific embodiments for practicing the invention, and that various changes in form and details may be made therein without departing from the spirit and scope of the invention in practice.
Claims (10)
1. A display screen assembly, comprising: a screen body conducting layer, a screen body protective layer and an FPC; wherein the content of the first and second substances,
the screen body conducting layer comprises a first area and a second area which are adjacent;
the screen body protective layer is arranged on the screen body conductive layer and covers the first area;
the FPC comprises a connecting end, the connecting end is arranged on the screen body conducting layer, the connecting end comprises a base material and a golden finger, the base material covers the second area, the base material comprises a main body portion and an elongated portion connected with the main body portion, the golden finger is located on one side, close to the main body portion, of the screen body conducting layer and electrically connected with the screen body conducting layer, and the screen body protecting layer is located on one side, far away from the elongated portion, of the main body portion.
2. The display screen assembly of claim 1, wherein the screen body protective layer includes a bottom surface covering the first area and a first side surface connected to the bottom surface and adjacent to the gold finger, the elongated portion abutting the first side surface.
3. The display screen assembly of claim 2, wherein the elongated portion comprises a first elongated body coupled to the main body portion and a second elongated body coupled to the first elongated body, the second elongated body being disposed on a side of the first elongated body away from the main body portion, the first elongated body being fixedly coupled to the conductive layer of the screen body, the second elongated body being fixedly coupled to the first side.
4. The display screen assembly of claim 3, wherein the second elongated body includes a second side surface disposed opposite the junction of the first elongated body and the second elongated body; the distance between the joint of the first elongated body and the second side surface is 0.02mm-0.08 mm; preferably, the distance between the joint of the first elongated body and the second side surface is 0.05 mm.
5. The display screen assembly of claim 1, wherein an orthographic projection of the gold finger on the screen body conductive layer is within an orthographic projection of the body portion on the screen body conductive layer.
6. A display screen assembly according to any of claims 1 to 5, wherein the elongate portion is bonded to the screen body conductive layer via a glue layer, or to both the screen body conductive layer and the screen body protective layer.
7. The display screen assembly of any one of claims 1-5, further comprising: a screen body substrate; the screen body conducting layer and the screen body protective layer are sequentially stacked on the screen body base material; preferably, the screen substrate is a touch screen substrate.
8. The display screen assembly of any one of claims 1-5, wherein the screen body conductive layer is a touch screen body conductive layer and the screen body protective layer is a touch screen body protective layer.
9. A display screen assembly according to any one of claims 1 to 5, wherein the gold finger is bonded to the conductive layer of the screen body.
10. A display device, comprising: a display screen assembly according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111446680.6A CN114360371B (en) | 2021-11-30 | 2021-11-30 | Display screen assembly and display device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111446680.6A CN114360371B (en) | 2021-11-30 | 2021-11-30 | Display screen assembly and display device |
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| CN114360371A true CN114360371A (en) | 2022-04-15 |
| CN114360371B CN114360371B (en) | 2023-11-07 |
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| Publication number | Publication date |
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| CN114360371B (en) | 2023-11-07 |
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