CN219800842U - Display panel with packaging structure - Google Patents
Display panel with packaging structure Download PDFInfo
- Publication number
- CN219800842U CN219800842U CN202222869987.3U CN202222869987U CN219800842U CN 219800842 U CN219800842 U CN 219800842U CN 202222869987 U CN202222869987 U CN 202222869987U CN 219800842 U CN219800842 U CN 219800842U
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- China
- Prior art keywords
- light
- emitting element
- packaging
- display panel
- glue
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- 238000004806 packaging method and process Methods 0.000 title claims abstract description 55
- 239000003292 glue Substances 0.000 claims abstract description 44
- 238000005538 encapsulation Methods 0.000 claims description 27
- 239000000758 substrate Substances 0.000 claims description 17
- 239000008393 encapsulating agent Substances 0.000 claims description 13
- 239000004593 Epoxy Substances 0.000 claims description 5
- 150000001875 compounds Chemical class 0.000 claims description 4
- 230000001070 adhesive effect Effects 0.000 abstract description 23
- 239000000853 adhesive Substances 0.000 abstract description 22
- 230000000694 effects Effects 0.000 description 3
- WWTBZEKOSBFBEM-SPWPXUSOSA-N (2s)-2-[[2-benzyl-3-[hydroxy-[(1r)-2-phenyl-1-(phenylmethoxycarbonylamino)ethyl]phosphoryl]propanoyl]amino]-3-(1h-indol-3-yl)propanoic acid Chemical compound N([C@@H](CC=1C2=CC=CC=C2NC=1)C(=O)O)C(=O)C(CP(O)(=O)[C@H](CC=1C=CC=CC=1)NC(=O)OCC=1C=CC=CC=1)CC1=CC=CC=C1 WWTBZEKOSBFBEM-SPWPXUSOSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 229940126208 compound 22 Drugs 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012858 packaging process Methods 0.000 description 2
- QNRATNLHPGXHMA-XZHTYLCXSA-N (r)-(6-ethoxyquinolin-4-yl)-[(2s,4s,5r)-5-ethyl-1-azabicyclo[2.2.2]octan-2-yl]methanol;hydrochloride Chemical compound Cl.C([C@H]([C@H](C1)CC)C2)CN1[C@@H]2[C@H](O)C1=CC=NC2=CC=C(OCC)C=C21 QNRATNLHPGXHMA-XZHTYLCXSA-N 0.000 description 1
- OPFJDXRVMFKJJO-ZHHKINOHSA-N N-{[3-(2-benzamido-4-methyl-1,3-thiazol-5-yl)-pyrazol-5-yl]carbonyl}-G-dR-G-dD-dD-dD-NH2 Chemical compound S1C(C=2NN=C(C=2)C(=O)NCC(=O)N[C@H](CCCN=C(N)N)C(=O)NCC(=O)N[C@H](CC(O)=O)C(=O)N[C@H](CC(O)=O)C(=O)N[C@H](CC(O)=O)C(N)=O)=C(C)N=C1NC(=O)C1=CC=CC=C1 OPFJDXRVMFKJJO-ZHHKINOHSA-N 0.000 description 1
- 239000012790 adhesive layer Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 229940125782 compound 2 Drugs 0.000 description 1
- 229940126086 compound 21 Drugs 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 239000002355 dual-layer Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012536 packaging technology Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Landscapes
- Electroluminescent Light Sources (AREA)
Abstract
The utility model provides a display panel with a packaging structure, which comprises a light-emitting element and packaging adhesive; the packaging glue comprises a first packaging glue, the first packaging glue encapsulates the light-emitting element, and the first packaging glue is of a prism structure. The light emitted by the light-emitting element can be concentrated towards one direction by changing the shape of the packaging adhesive outside the light-emitting element, so that the aim of improving the brightness of the display panel in one direction is fulfilled, the unutilized scattered light is recycled in the prism structure by utilizing the reflection of the light, the loss of the light is reduced, and compared with a planar COB display screen, the light-emitting brightness of the light-emitting element is increased and the energy is saved under the same current intensity.
Description
Technical Field
The utility model relates to the technical field of display panels, in particular to a display panel with a packaging structure.
Background
COB packages, collectively referred to as chip on Board (chip on Board), are one technique for solving the heat dissipation problem of LED light emitting devices. The COB packaging technology adheres the bare chip to the interconnection substrate with conductive or non-conductive glue, and then wire bonding is performed to achieve electrical connection. However, the bare chip is directly exposed to air, is easily polluted or damaged by people, and can influence or destroy the function of the chip, so that the chip and the bonding wires are generally encapsulated by adopting a colloid.
However, in the current COB package structure, an integral adhesive layer is formed on the periphery of the light emitting chip, so that light emitted by the light emitting chip is scattered and not concentrated enough, and light emitted by the light emitting chip is not fully utilized, so that brightness, uniformity and image contrast of the display panel cannot be improved.
Disclosure of Invention
The technical problems to be solved by the utility model are as follows: a display panel with a packaging structure is provided, which can improve the brightness, uniformity and image contrast of the display panel and improve the power consumption performance.
In order to solve the technical problems, the utility model adopts the following technical scheme:
a display panel with packaging structure comprises a light-emitting element and packaging adhesive;
the packaging glue comprises a first packaging glue, the first packaging glue encapsulates the light-emitting element, and the first packaging glue is of a prism structure.
Further, the packaging glue further comprises a second packaging glue, and the second packaging glue is arranged between the first packaging glue and the light-emitting element.
Further, the second encapsulation glue encapsulates the light emitting element, and the first encapsulation glue encapsulates the second encapsulation glue.
Further, the shape of the second encapsulation glue is the same as that of the light-emitting element.
Further, the prism structure is a triple prism structure.
Further, the packaging adhesive is epoxy die bond adhesive.
Further, the light emitting element is an LED chip.
Further, the light-emitting device further comprises a substrate, and a plurality of light-emitting elements are arranged on the substrate.
Further, the substrate is a printed circuit board.
The utility model has the beneficial effects that: the light emitted by the light-emitting element can be concentrated towards one direction by changing the shape of the packaging adhesive outside the light-emitting element, so that the aim of improving the brightness of the display panel in one direction is fulfilled, the unutilized scattered light is recycled in the prism structure by utilizing the reflection of the light, the loss of the light is reduced, and compared with a planar COB display screen, the light-emitting brightness of the light-emitting element is increased and the energy is saved under the same current intensity.
Drawings
Fig. 1 is a schematic structural diagram of a display panel with a package structure according to an embodiment of the present utility model;
fig. 2 is a schematic structural diagram of another display panel with a package structure according to an embodiment of the present utility model;
description of the reference numerals:
1. a light emitting element; 2. packaging glue; 3. a substrate; 21. a first encapsulation adhesive; 22. and a second packaging adhesive.
Detailed Description
In order to describe the technical contents, the achieved objects and effects of the present utility model in detail, the following description will be made with reference to the embodiments in conjunction with the accompanying drawings.
Referring to fig. 1, an embodiment of the present utility model provides a display panel with a package structure, including a light emitting element and a packaging adhesive;
the packaging glue comprises a first packaging glue, the first packaging glue encapsulates the light-emitting element, and the first packaging glue is of a prism structure.
From the above description, the beneficial effects of the utility model are as follows: the light emitted by the light-emitting element can be concentrated towards one direction by changing the shape of the packaging adhesive outside the light-emitting element, so that the aim of improving the brightness of the display panel in one direction is fulfilled, the unutilized scattered light is recycled in the prism structure by utilizing the reflection of the light, the loss of the light is reduced, and compared with a planar COB display screen, the light-emitting brightness of the light-emitting element is increased and the energy is saved under the same current intensity.
Further, the packaging glue further comprises a second packaging glue, and the second packaging glue is arranged between the first packaging glue and the light-emitting element.
As can be seen from the above description, the first encapsulation compound is formed on the light emitting device using the dual-layer encapsulation compound, thereby protecting the light emitting device from contamination and influence.
Further, the second encapsulation glue encapsulates the light emitting element, and the first encapsulation glue encapsulates the second encapsulation glue.
As can be seen from the above description, the second encapsulant is further coated with the first encapsulant, so that the light of the light-emitting element is concentrated in one direction, and the brightness of the display panel is improved.
Further, the shape of the second encapsulation glue is the same as that of the light-emitting element.
As can be seen from the above description, the second encapsulant is used for protecting the light emitting device, so that the second encapsulant is attached to the light emitting element to protect the light emitting element without affecting the brightness enhancement effect of the light emitting element.
Further, the prism structure is a triple prism structure.
As can be seen from the above description, the concentration of light emitted from the light emitting element by the triangular prism structure is optimal, and the brightness of the display panel can be improved to the greatest extent.
Further, the packaging adhesive is epoxy die bond adhesive.
According to the above description, the epoxy die bond adhesive has good adhesive property, is convenient for a packaging structure, can resist high temperature, has good light refractive index, ensures good light refractive effect of the pyramid die bond adhesive, and improves display brightness.
Further, the light emitting element is an LED chip.
From the above description, the LED chip has good light emitting brightness and simple packaging process.
Further, the light-emitting device further comprises a substrate, and a plurality of light-emitting elements are arranged on the substrate.
As can be seen from the above description, the substrate is used for fixedly mounting the light emitting element, so as to facilitate the combination of light rays of the display panel.
Further, the substrate is a printed circuit board.
As can be seen from the above description, the printed circuit board is convenient for fixing the light emitting chips, and is easy to realize serial-parallel circuit connection between the light emitting chips, so that the packaging process is simple and convenient.
The display panel with the packaging structure provided by the utility model can be used in an LED display screen, the brightness, uniformity and image contrast of the display screen are improved, and the power consumption performance is improved, and the following description is provided by the specific embodiment:
referring to fig. 1 to 2, a first embodiment of the present utility model is as follows:
a display panel with packaging structure comprises a light-emitting element 1 and packaging adhesive 2;
referring to fig. 1, the encapsulant 2 includes a first encapsulant 21, the first encapsulant 21 encapsulates the light emitting element 1, and the first encapsulant 21 has a prism structure, i.e. light can be transmitted and light can be refracted or reflected.
The prism structure is a triple prism structure, and can also be other right-angle prisms, pentagonal prisms, rhombic prisms and the like for realizing light transmission and light condensation; the light emitting element 1 is an LED chip.
Specifically, the encapsulation adhesive 2 is epoxy die bond adhesive.
The display panel with the packaging structure further comprises a substrate 3, and a plurality of light-emitting elements 1 are arranged on the substrate 3.
In this embodiment, a plurality of the light emitting elements 1 are arranged in an array on one side of the substrate 3, and the first encapsulation glue 21 encapsulates the plurality of light emitting elements 1, respectively, that is, each first encapsulation glue 21 encapsulates one light emitting element 1; wherein the surface of the light emitting element 1 not connected to the substrate 3 is encapsulated, i.e. encapsulated.
Wherein the substrate 3 is a printed circuit board.
Referring to fig. 2, in an alternative embodiment, the encapsulation compound 2 further includes a second encapsulation compound 22, and the second encapsulation compound 22 is disposed between the first encapsulation compound 21 and the light emitting element 1.
Wherein the second encapsulation glue 22 encapsulates the light emitting element 1, and the first encapsulation glue 21 encapsulates the second encapsulation glue 22.
Specifically, each second encapsulant 22 encapsulates one light emitting element 1; each first encapsulant 21 encapsulates a second encapsulant 22.
In an alternative embodiment, the second encapsulant 22 has the same shape as the light emitting element 1.
In this embodiment, the light emitting element 1 has a quadrangular structure, the second encapsulation adhesive 22 is attached to the outer surface of the light emitting element 1, and the second encapsulation adhesive 22 also has a quadrangular structure.
In summary, according to the display panel with the packaging structure provided by the utility model, the shape of the packaging adhesive outside the light-emitting element is changed, and the packaging adhesive is in a prism structure, so that light rays emitted by the light-emitting element can be concentrated in one direction, the purpose of improving the brightness of the display panel in one direction is achieved, and unutilized scattered light is recycled in the prism structure by utilizing the reflection of the light, so that the loss of the light is reduced, and compared with a planar COB display screen, the light-emitting brightness of the light-emitting element is increased and the energy is saved under the same current intensity. Meanwhile, the second packaging adhesive is encapsulated on the surface of the light-emitting element, so that the light-emitting element is protected from being polluted or damaged, the service life of the display panel is prolonged, and the production cost is reduced.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent changes made by the specification and drawings of the present utility model, or direct or indirect application in the relevant art, are included in the scope of the present utility model.
Claims (8)
1. The display panel with the packaging structure is characterized by comprising a light-emitting element and packaging glue;
the packaging glue comprises a first packaging glue, the first packaging glue encapsulates the light-emitting element, and the first packaging glue is of a prism structure;
the packaging glue also comprises a second packaging glue, and the second packaging glue is arranged between the first packaging glue and the light-emitting element;
the prismatic structures include triple prismatic structures.
2. The display panel with package structure according to claim 1, wherein the second encapsulation encapsulates the light emitting element, and the first encapsulation encapsulates the second encapsulation.
3. The display panel with the package structure according to claim 1, wherein the second encapsulant has the same shape as the light emitting element.
4. The display panel with package structure according to claim 1, wherein the prism structure is a triple prism structure.
5. The display panel with the package structure according to claim 1, wherein the encapsulation compound is an epoxy die bond compound.
6. The display panel with the package structure according to claim 1, wherein the light emitting element is an LED chip.
7. The display panel with a package structure according to claim 1, further comprising a substrate, wherein the plurality of light emitting elements are provided on the substrate.
8. The display panel with package structure according to claim 7, wherein the substrate is a printed circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222869987.3U CN219800842U (en) | 2022-10-28 | 2022-10-28 | Display panel with packaging structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222869987.3U CN219800842U (en) | 2022-10-28 | 2022-10-28 | Display panel with packaging structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219800842U true CN219800842U (en) | 2023-10-03 |
Family
ID=88181205
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222869987.3U Active CN219800842U (en) | 2022-10-28 | 2022-10-28 | Display panel with packaging structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219800842U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115602670A (en) * | 2022-10-28 | 2023-01-13 | 惠州雷曼光电科技有限公司（Cn） | A packaging method of a display panel and a display device |
-
2022
- 2022-10-28 CN CN202222869987.3U patent/CN219800842U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115602670A (en) * | 2022-10-28 | 2023-01-13 | 惠州雷曼光电科技有限公司（Cn） | A packaging method of a display panel and a display device |
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