CN218831185U - Flexible organic electroluminescent display module - Google Patents
Flexible organic electroluminescent display module Download PDFInfo
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- CN218831185U CN218831185U CN202222910036.6U CN202222910036U CN218831185U CN 218831185 U CN218831185 U CN 218831185U CN 202222910036 U CN202222910036 U CN 202222910036U CN 218831185 U CN218831185 U CN 218831185U
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- film
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- organic electroluminescent
- display module
- electroluminescent display
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/549—Organic PV cells
Abstract
The utility model relates to a flexible organic electroluminescent display module, include: the flexible display panel comprises a flexible panel, a chip on film fixedly arranged at a first end of a first side of the flexible panel through anisotropic conductive adhesive, a support film substrate fixedly arranged at a second side of the flexible panel, a protective film detachably arranged at the second side of the support film substrate and back adhesive coated at the second side of the chip on film; wherein the gum covers the first end of the flexible panel; the first end of the protective film is contracted to the second end of the protective film by a first distance relative to the support film substrate, and the area of the second side of the support film substrate exposed out of the protective film is partially or completely covered by the back adhesive. The utility model discloses a flexible organic electroluminescent display module assembly contracts first distance in for supporting the membrane substrate through the protection film for the gum can cover to the second side that supports the membrane substrate, and then can effectively avoid flexible organic electroluminescent display module assembly in the fracture of the in-process gum of taking, in order to avoid the emergence of the functional abnormal conditions of product.
Description
Technical Field
The utility model relates to a flexible display technology field especially relates to a flexible organic electroluminescent display module.
Background
At present, a flexible organic electroluminescent display module needs to be coated with a back adhesive on a binding side of a chip on film to protect an exposed circuit of the chip on film; however, in the process of taking the flexible organic electroluminescent display module, the flip chip film side of the flexible panel is prone to shaking, so that the back adhesive is prone to cracking, tearing force is generated, the substrate layer and the barrier layer in the flexible panel fall off, and further the product is abnormal in functionality; if the back adhesive is applied to the protective film, the protective film may be torn when removed.
Therefore, a flexible organic electroluminescent display module is needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a flexible organic electroluminescent display module group to the not enough among the prior art.
In order to realize the purpose, the utility model adopts the technical proposal that:
provided is a flexible organic electroluminescent display module, including: the flexible display panel comprises a flexible panel, a chip on film fixedly arranged at a first end of a first side of the flexible panel through anisotropic conductive adhesive, a support film substrate fixedly arranged at a second side of the flexible panel, a protective film detachably arranged at a second side of the support film substrate, and back adhesive coated at the second side of the chip on film; wherein the adhesive backing covers the first end of the flexible panel; the first end of the protective film is contracted to the second end of the protective film by a first distance relative to the supporting film substrate, and the area of the second side of the supporting film substrate exposed out of the protective film is partially or completely covered by the back adhesive.
Preferably, the middle part of the supporting film base material is provided with a digging groove.
Preferably, the first distance is 0.25mm to 0.60mm.
Preferably, the flexible panel comprises: the first substrate layer, set up fixedly in the first barrier layer of first substrate layer first side, set up fixedly in the second substrate layer of first barrier layer first side and set up fixedly in the district circuit of binding of second substrate layer first side.
Preferably, the first side second end of the flexible panel is fixedly provided with a polarizer.
Preferably, the first side of the flexible panel is coated with a positive adhesive, and the positive adhesive covers the first end of the polarizer and the second end of the chip on film.
Preferably, the covering distance of the back adhesive on the second side of the support film substrate is 0.10mm-0.25mm.
The utility model adopts the above technical scheme, compare with prior art, have following technological effect:
the utility model discloses a flexible organic electroluminescent display module assembly contracts first distance in for supporting the membrane substrate through the protection film for the gum can cover to the second side that supports the membrane substrate, and then can effectively avoid flexible organic electroluminescent display module assembly in the fracture of the in-process gum of taking, in order to avoid the emergence of the functional abnormal conditions of product.
Drawings
Fig. 1 is a schematic structural view of a flexible organic electroluminescent display module according to embodiment 1 of the present invention;
FIG. 2 is a schematic structural view of a flexible organic electroluminescent display module according to comparative example 1 of the present invention;
FIG. 3 is a schematic structural view of a flexible organic electroluminescent display module according to comparative example 2 of the present invention;
FIG. 4 is a schematic structural view of a flexible organic electroluminescent display module according to comparative example 2 of the present invention after removing the protective film;
wherein the reference numerals include:
a support film base material 101; a protective film 102; digging a groove 103; a first substrate layer 201; a first barrier layer 202; a second substrate layer 203; a bonded area line 204; a polarizer 301; anisotropic conductive adhesive 401; a flip-chip film 501; positive glue 601; a back adhesive 701; the first distance d.
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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
The present invention will be further described with reference to the accompanying drawings and specific embodiments, but the present invention is not limited thereto.
Example 1
As shown in fig. 1, the present embodiment provides a flexible organic electroluminescent display module, including: the structure comprises a first substrate layer 201, a first barrier layer 202 fixedly arranged on the first side of the first substrate layer 201, a second substrate layer 203 fixedly arranged on the first side of the first barrier layer 202, a bonding area circuit 204 fixedly arranged on the first side of the second substrate layer 203, a polarizer 301 fixedly arranged on the second end of the first side of the bonding area circuit 204, a flip chip film 501 fixedly arranged on the first end of the first side of the bonding area circuit 204 through anisotropic conductive adhesive 401, a positive adhesive 601 coated on the first side of the bonding area circuit 204, a support film substrate 101 fixedly arranged on the second side of the first substrate layer 201, a groove 103 arranged in the middle of the support film substrate 101, a protective film 102 detachably arranged on the second side of the support film substrate 101, and a back adhesive 701 coated on the second side of the flip chip film 501; wherein the content of the first and second substances,
the first end of the protective film 102 is shrunk by 0.30mm (i.e., a first distance d) toward the second end of the protective film 102 with respect to the supporting film substrate 101;
the positive adhesive 601 covers the first end of the polarizer 301 and the second end of the flip chip film 501;
the back adhesive 701 covers the first end of the flexible panel and the second side of the supporting film substrate 101 exposed outside the protective film 102.
In a preferred embodiment, the covering distance of the back adhesive 701 on the second side of the support film substrate 101 is 0.10mm.
In a preferred embodiment, the covering distance of the back adhesive 701 on the second side of the support film substrate 101 is 0.18mm.
In a preferred embodiment, the covering distance of the back adhesive 701 on the second side of the support film substrate 101 is 0.25mm.
Comparative example 1
As shown in fig. 2, the present comparative example provides another flexible organic electroluminescent display module including: the structure comprises a first substrate layer 201, a first barrier layer 202 fixedly arranged on the first side of the first substrate layer 201, a second substrate layer 203 fixedly arranged on the first side of the first barrier layer 202, a bonding area circuit 204 fixedly arranged on the first side of the second substrate layer 203, a polarizer 301 fixedly arranged on the second end of the first side of the bonding area circuit 204, a flip chip film 501 fixedly arranged on the first end of the first side of the bonding area circuit 204 through anisotropic conductive adhesive 401, a positive adhesive 601 coated on the first side of the bonding area circuit 204, a support film substrate 101 fixedly arranged on the second side of the first substrate layer 201, a groove 103 arranged in the middle of the support film substrate 101, a protective film 102 detachably arranged on the second side of the support film substrate 101, and a back adhesive 701 coated on the second side of the flip chip film 501; wherein the content of the first and second substances,
the positive adhesive 601 covers the first end of the polarizer 301 and the second end of the flip chip film 501;
the adhesive 701 covers the first end of the flexible facesheet and some or all of the area of the first end of the support film substrate 101.
Comparative example 2
As shown in fig. 3, the present comparative example provides another flexible organic electroluminescent display module including: the structure comprises a first substrate layer 201, a first barrier layer 202 fixedly arranged on the first side of the first substrate layer 201, a second substrate layer 203 fixedly arranged on the first side of the first barrier layer 202, a bonding area circuit 204 fixedly arranged on the first side of the second substrate layer 203, a polarizer 301 fixedly arranged on the second end of the first side of the bonding area circuit 204, a flip chip film 501 fixedly arranged on the first end of the first side of the bonding area circuit 204 through anisotropic conductive adhesive 401, a positive adhesive 601 coated on the first side of the bonding area circuit 204, a support film substrate 101 fixedly arranged on the second side of the first substrate layer 201, a groove 103 arranged in the middle of the support film substrate 101, a protective film 102 detachably arranged on the second side of the support film substrate 101, and a back adhesive 701 coated on the second side of the flip chip film 501; wherein the content of the first and second substances,
the positive adhesive 601 covers the first end of the polarizer 301 and the second end of the flip chip film 501;
the back adhesive 701 covers a first end of the flexible panel, a first end of the support film base material 101, a first end of the protection film 102, and a partial area of a second side of the protection film 102.
As shown in fig. 4, the flexible organic electroluminescent display module according to the present comparative example is prone to cracking of the back adhesive 701 when the protective film 102 is removed.
Detection examples
The flexible organic electroluminescent display modules in the embodiments 1, 1 and 2 are respectively taken, and after being swung up and down for 5 times, the cracking condition of the back adhesive 701 is observed, and the results are as follows:
| example 1 | Comparative example 1 | Comparative example 2 | |
| Cracking ratio of |
0％ | 72％ | 45％ |
To sum up, the utility model discloses a flexible organic electroluminescent display module assembly contracts first distance in for supporting the membrane substrate through the protection film for the gum can cover to the second side that supports the membrane substrate, and then can effectively avoid the fracture of flexible organic electroluminescent display module assembly at the in-process gum of taking, in order to avoid the emergence of the functional abnormal conditions of product.
The above description is only an example of the preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and those skilled in the art should be able to realize the equivalent alternatives and obvious variations of the present invention.
Claims (7)
1. A flexible organic electroluminescent display module comprising: the flexible display panel comprises a flexible panel, a chip on film (501) fixedly arranged at a first end of a first side of the flexible panel through anisotropic conductive adhesive (401), a support film base material (101) fixedly arranged at a second side of the flexible panel, a protective film (102) detachably arranged at the second side of the support film base material (101) and back adhesive (701) coated at the second side of the chip on film (501); wherein the adhesive backing (701) covers a first end of the flexible panel; the protection film is characterized in that the first end of the protection film (102) is contracted to the second end of the protection film (102) by a first distance (d) relative to the support film base material (101), and the area, exposed out of the protection film (102), of the second side of the support film base material (101) is partially or completely covered by the back adhesive (701).
2. The flexible organic electroluminescent display module according to claim 1, wherein a trench (103) is formed in a middle portion of the supporting film substrate (101).
3. The flexible organic electroluminescent display module according to claim 1, wherein the first distance (d) is 0.25mm to 0.60mm.
4. The flexible organic electroluminescent display module according to claim 1, wherein the flexible panel comprises: the bonding structure comprises a first base material layer (201), a first barrier layer (202) fixedly arranged on the first side of the first base material layer (201), a second base material layer (203) fixedly arranged on the first side of the first barrier layer (202), and a bonding area line (204) fixedly arranged on the first side of the second base material layer (203).
5. The flexible organic electroluminescent display module according to claim 1, wherein the first side and the second end of the flexible panel are fixedly provided with a polarizer (301).
6. The flexible organic electroluminescent display module according to claim 5, wherein the first side of the flexible panel is coated with a positive glue (601), and the positive glue (601) covers the first end of the polarizer (301) and the second end of the flip chip film (501).
7. The flexible organic electroluminescent display module according to claim 3, wherein the covering distance of the back adhesive (701) on the second side of the support film substrate (101) is 0.10mm to 0.25mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222910036.6U CN218831185U (en) | 2022-11-02 | 2022-11-02 | Flexible organic electroluminescent display module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222910036.6U CN218831185U (en) | 2022-11-02 | 2022-11-02 | Flexible organic electroluminescent display module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218831185U true CN218831185U (en) | 2023-04-07 |
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ID=87044987
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222910036.6U Active CN218831185U (en) | 2022-11-02 | 2022-11-02 | Flexible organic electroluminescent display module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218831185U (en) |
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2022
- 2022-11-02 CN CN202222910036.6U patent/CN218831185U/en active Active
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