CN115691335B - OLED support film based on flexible screen body - Google Patents
OLED support film based on flexible screen body Download PDFInfo
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- CN115691335B CN115691335B CN202211360429.2A CN202211360429A CN115691335B CN 115691335 B CN115691335 B CN 115691335B CN 202211360429 A CN202211360429 A CN 202211360429A CN 115691335 B CN115691335 B CN 115691335B
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- 230000009975 flexible effect Effects 0.000 title claims abstract description 110
- 239000010410 layer Substances 0.000 claims abstract description 101
- 230000003287 optical effect Effects 0.000 claims abstract description 23
- 238000013016 damping Methods 0.000 claims abstract description 20
- 239000012790 adhesive layer Substances 0.000 claims abstract description 16
- 238000007493 shaping process Methods 0.000 claims description 29
- 238000007789 sealing Methods 0.000 claims description 23
- 239000003292 glue Substances 0.000 claims description 20
- 229910001285 shape-memory alloy Inorganic materials 0.000 claims description 15
- 238000005452 bending Methods 0.000 claims description 14
- 239000004642 Polyimide Substances 0.000 claims description 10
- 229920001721 polyimide Polymers 0.000 claims description 10
- 229920006254 polymer film Polymers 0.000 claims description 10
- 230000035939 shock Effects 0.000 claims description 4
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 230000006978 adaptation Effects 0.000 claims description 2
- 239000012528 membrane Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 4
- 239000000565 sealant Substances 0.000 description 4
- 230000003139 buffering effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 239000004820 Pressure-sensitive adhesive Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
Abstract
The invention discloses an OLED (organic light emitting diode) support film based on a flexible screen body, which comprises a first shell, wherein a second shell is arranged on one side of the first shell, flexible screen bodies are arranged in the first shell and the second shell, a lower support film is arranged outside the bottom of the flexible screen body and positioned in the first shell and the second shell, an upper support film is arranged on the outer wall of the top of the flexible screen body, the upper support film comprises a flexible optical adhesive layer, a second folding layer is arranged on the outer wall of the top of the flexible optical adhesive layer, a damping film is arranged on the outer wall of the top of the second folding layer, and the quantum memory film is arranged on the top of the upper support film.
Description
Technical Field
The invention relates to the technical field of flexible screens, in particular to an OLED (organic light emitting diode) support film based on a flexible screen body.
Background
The flexible screen, which refers to a flexible OLED, is not only greatly beneficial to the manufacture of new generation high-end smart phones, but also has profound effects on the application of wearable equipment due to the low power consumption and the flexible property, and the flexible screen is widely applied along with the continuous penetration of personal smart terminals in the future.
Chinese patent No. CN201810094513.1 discloses a flexible screen terminal comprising a reel mechanism and a flexible screen comprising a main screen, a first flexible screen and a second flexible screen; the scroll mechanism comprises a first scroll mechanism and a second scroll mechanism which are arranged at two sides of the length direction of the main screen; the first reel mechanism comprises a first reel body, and the first flexible screen is wound on the first reel body; the second reel mechanism comprises a second reel body, and the second flexible screen is wound on the second reel body.
The flexible screen of the prior art can have scratches and folds after long-term use or folding, and once the scratches and folds are formed, the scratches and folds are irreversible, so that the aesthetic property of the flexible screen is affected, and the cost is high during repair. Therefore, there is a need to design an OLED support film based on a flexible screen to solve the above problems.
Disclosure of Invention
The invention aims to provide an OLED support film based on a flexible screen body, which solves the defects in the prior art.
In order to achieve the above object, the present invention provides the following technical solutions:
an OLED support film based on a flexible screen body comprises a first shell, one side of the first shell is provided with a second shell, the inside of the first shell and the inside of the second shell are provided with a flexible screen body, the bottom of the flexible screen body is externally provided with a lower support film, the lower support film is positioned in the first shell and the inside of the second shell, the top outer wall of the flexible screen body is provided with an upper support film, the upper support film comprises a flexible optical adhesive layer, the top outer wall of the flexible optical adhesive layer is provided with a second folding layer, the top outer wall of the second folding layer is provided with a damping film, the top outer wall of the second damping film is provided with a polarizing layer, the top outer wall of the polarizing layer is provided with a quantum memory film, the lower support film comprises a memory alloy layer, the flexible screen body comprises an anode layer, the top outside of anode layer is provided with the conducting layer, the top outer wall of conducting layer is provided with the luminescent layer, the top outer wall of luminescent layer is provided with the cathode layer, the top outer wall of cathode layer is provided with the heat conduction layer, be fixed with the shaping body between casing one and the casing two, the bottom outer wall integrated into one piece of shaping body has evenly distributed's shaping strip, the inner wall of casing one and casing two all is provided with the seal groove, the uniform body shaping all around of going up the support membrane has the chimb, the chimb is located the inside of seal groove, the top outer wall of chimb is provided with down gluey groove, the top inner wall of seal groove is provided with rubberizing groove, be formed with the sealing hole between rubberizing groove and the rubberizing groove, the glue filling hole is all opened to the top outer wall of casing one and casing two, glue filling hole and sealing hole looks adaptation.
Further, a first folding layer is arranged on the top of the memory alloy layer, and a first damping film is arranged on the outer wall of the top of the first folding layer.
Further, a polyimide polymer film is arranged on the outer wall of the top of the first damping film, and the polyimide polymer film is positioned at the bottom of the anode layer.
Further, the heat conducting layer is arranged at the bottom of the flexible optical adhesive layer, and the flexible optical adhesive layer is made of OCA optical adhesive.
Further, two rubber strips are fixed between the first shell and the second shell, and the two rubber strips are respectively positioned on two sides of the flexible screen body.
Further, a bending gap is formed between two adjacent shaping strips, and an arc surface is formed on the outer wall of the bottom of each shaping strip.
Further, an elastic rib layer is arranged in the shaping body, and the elastic rib layer is made of 65 Mn.
In the technical scheme, the OLED support film based on the flexible screen body has the beneficial effects that:
(1) According to the invention, the quantum memory film is arranged at the top of the upper support film, so that the upper support film can be automatically repaired after being scratched or generating folds, and the memory alloy layer is arranged at the bottom of the lower support film, so that after the folds are generated at the bottom of the flexible screen body, the self-repairing effect of the support film on the flexible screen can be realized by automatically recovering the memory alloy layer after heating.
(2) According to the invention, the bottom of the shaping body is provided with the plurality of shaping strips, and the bending gaps are arranged between two adjacent shaping strips, so that the flexible screen body can be adaptively bent through the bending gaps when being bent, the phenomenon that the outer wall of the top of the flexible screen body is cracked due to tensile force in the bending process is prevented, and the service life of the flexible screen body is prolonged.
(3) According to the invention, the sealant is filled into the sealant filling hole, so that the periphery of the upper support film, the first shell and the second shell can be tightly sealed after the sealant enters the sealant filling hole and is solidified, and further, the periphery of the upper support film cannot generate a sealing gap, so that the flexible screen has a good waterproof effect.
(4) According to the invention, the polyimide polymer film is utilized to improve the strength of the flexible screen body, and the first damping film and the second damping film enable the flexible screen body to have good buffering performance when falling down, so that the flexible screen body is not easy to damage due to collision.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.
Fig. 1 is a schematic diagram of an overall structure of an OLED support film according to an embodiment of the present invention.
Fig. 2 is a schematic cross-sectional structure of an OLED support film according to an embodiment of the present invention.
Fig. 3 is an enlarged schematic view of a structure at a provided by an embodiment of an OLED support film based on a flexible screen.
Fig. 4 is a schematic diagram of an enlarged structure at B provided by an embodiment of an OLED support film based on a flexible screen according to the present invention.
Fig. 5 is a schematic structural diagram of a flexible screen body according to an embodiment of the present invention.
Fig. 6 is a schematic diagram of an upper support film structure provided by an embodiment of an OLED support film based on a flexible screen.
Fig. 7 is a schematic view of a lower support film structure provided by an embodiment of an OLED support film based on a flexible screen.
Reference numerals illustrate:
1 a first shell, 2 a second shell, 3 a rubber strip, 4 a flexible screen body, 5 an upper support film, 6 a lower support film, 7 a shaping strip, 8 a bending gap, 9 an arc surface, 10 a sealing groove, 11 a convex edge, 12 a sealing hole, 13 a glue filling hole, 14 an anode layer, 15 a conductive layer, 16 a luminous layer, 17 a cathode layer, 18 a heat conducting layer, 19 a polyimide polymer film, 20 a damping film, 21 a first folding layer, 22 a memory alloy layer, 23 a quantum memory film, 24 a polarizing layer, 25 a damping film, 26 a second folding layer, 27 a flexible optical adhesive layer, 28 an elastic rib layer, 29 a glue discharging groove, 30 a glue feeding groove and 31 a shaping body.
Detailed Description
In order to make the technical scheme of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.
As shown in fig. 1-7, the OLED support film based on a flexible screen body provided by the embodiment of the invention includes a first housing 1, a second housing 2 is disposed on one side of the first housing 1, a flexible screen body 4 is disposed inside the first housing 1 and the second housing 2, a lower support film 6 is disposed outside the bottom of the flexible screen body 4, the lower support film 6 is located inside the first housing 1 and the second housing 2, an upper support film 5 is disposed on the top outer wall of the flexible screen body 4, the upper support film 5 includes a flexible optical adhesive layer 27, a second folded layer 26 is disposed on the top outer wall of the flexible optical adhesive layer 27, a second shock absorbing film 25 is disposed on the top outer wall of the second folded layer 26, a polarizing layer 24 is disposed on the top outer wall of the second shock absorbing film 25, a quantum memory film 23 is disposed on the top outer wall of the polarizing layer 24, the lower support film 6 includes a memory alloy layer 22, the flexible screen body 4 includes an anode layer 14, a conductive layer 15 is disposed outside the top of the anode layer 14, a luminescent layer 16 is disposed on the top outer wall of the conductive layer 15, a cathode layer 17 is disposed on the top outer wall of the luminescent layer 16, and a heat conducting layer 18 is disposed on the top outer wall of the cathode layer 17.
Specifically, in this embodiment, the device comprises a first housing 1, a second housing 2 is arranged at one side of the first housing 1, a flexible screen body 4 is arranged in the first housing 1 and the second housing 2, the flexible screen body 4 is an OLED screen, a lower support film 6 is arranged at the outer part of the bottom of the flexible screen body 4, the lower support film 6 is positioned in the first housing 1 and the second housing 2, the bottom of the flexible screen body 4 is supported by the lower support film 6, an upper support film 5 is arranged at the outer wall of the top of the flexible screen body 4, the top of the flexible screen body 4 is supported by the upper support film 5, the upper support film 5 comprises a flexible optical adhesive layer 27, a folded layer two 26 is arranged at the outer wall of the top of the flexible optical adhesive layer 27, a damping film two 25 is arranged at the outer wall of the top of the folded layer two 26, utilize damping film two 25 to play the effect that can be compressed when antidetonation and folding, damping film two 25's top outer wall is provided with polarizing layer 24, polarizing layer 24 is by polarizing film, interior protection film, pressure sensitive adhesive layer and the combined material that outer protection film laminated formed, polarizing layer 24's top outer wall is provided with quantum memory film 23, quantum memory film has high definition and to the automatic prosthetic effect of mar under support film 6 include memory alloy layer 22, utilize memory alloy layer 22 to make flexible screen body 4 work when generating heat can repair the trace, flexible screen body 4 includes anode layer 14, anode layer 14's top outside is provided with conducting layer 15, conducting layer 15's top outer wall is provided with luminescent layer 16, luminescent layer 16's top outer wall is provided with cathode layer 17, cathode layer 17's top outer wall is provided with heat conducting layer 18.
According to the OLED support film based on the flexible screen body, the quantum memory film 23 is arranged on the top of the upper support film 5, so that the upper support film 5 can be automatically repaired after being scratched or folds are generated, and the memory alloy layer 22 is arranged at the bottom of the lower support film 6, so that after the folds are generated at the bottom of the flexible screen body 4, the self-repairing effect of the support film on the flexible screen can be achieved through the automatic recovery of the memory alloy layer 22 after the folds are generated.
In another embodiment provided by the invention, the first folded layer 21 is arranged at the top of the memory alloy layer 22, the first damping film 20 is arranged on the top outer wall of the first folded layer 21, and the first damping film 20 and the second damping film 25 enable the flexible screen body 4 to have good buffering performance when falling down, so that the flexible screen body 4 is not easy to damage due to collision, the polyimide polymer film 19 is arranged on the top outer wall of the first damping film 20, the polyimide polymer film 19 is positioned at the bottom of the anode layer 14), and the strength of the flexible screen body 4 is improved through the polyimide polymer film 19.
In still another embodiment of the present invention, the heat conducting layer 18 is located at the bottom of the flexible optical adhesive layer 27, the flexible optical adhesive layer 27 is made of OCA optical adhesive, and the flexible optical adhesive layer 27 is used to make the heat conducting layer 18 and the second folded layer 26 adhere more tightly without bubbles, and can achieve the folding effect.
In still another embodiment provided by the invention, two rubber strips 3 are fixed between the first shell 1 and the second shell 2, the two rubber strips 3 are respectively positioned at two sides of the flexible screen body 4, and the gaps between the first shell 1 and the second shell 2 are filled by the rubber strips 3, so that the whole is more attractive.
In still another embodiment provided by the invention, a shaping body 31 is fixed between the first shell 1 and the second shell 2, the shaping body 31 can be shaped after being bent, shaping strips 7 which are uniformly distributed are integrally formed on the outer wall of the bottom of the shaping body 31, bending gaps 8 are formed between two adjacent shaping strips 7 by utilizing the shaping strips 7, arc surfaces 9 are formed on the outer wall of the bottom of the shaping strip 7, a plurality of shaping strips 7 are formed on the bottom of the shaping body 31, and bending gaps 8 are formed between two adjacent shaping strips 7, so that the flexible screen body 4 can be adaptively bent through the bending gaps 8 when being bent, and the phenomenon that the outer wall of the top of the flexible screen body 4 is cracked due to tensile force in the bending process is prevented, and the service life of the flexible screen body 4 is prolonged.
In still another embodiment of the present invention, the elastic rib layer 28 is disposed inside the shaping body 31, the elastic rib layer 28 is made of 65Mn, and the curved surface of the top of the shaping body 31 after bending is smoother by using the elastic rib layer 28.
In still another embodiment provided by the invention, the inner walls of the first shell 1 and the second shell 2 are respectively provided with a sealing groove 10, the peripheries of the upper supporting films 5 are respectively integrally formed with a convex edge 11, the convex edges 11 are positioned in the sealing grooves 10, the top outer walls of the convex edges 11 are provided with lower glue grooves 29, the top inner walls of the sealing grooves 10 are provided with upper glue grooves 30, sealing holes 12 are formed between the lower glue grooves 29 and the upper glue grooves 30, the top outer walls of the first shell 1 and the second shell 2 are respectively provided with a glue filling hole 13, the glue filling holes 13 are matched with the sealing holes 12, and sealing glue is filled into the sealing holes 13, so that the peripheries of the upper supporting films 5 and the first shell 1 and the second shell 2 can be tightly sealed after the sealing glue enters the sealing holes 12 to be solidified, sealing gaps are not generated around the upper supporting films 5, and the flexible screen has a good waterproof effect.
Working principle: when the flexible screen is used, the first shell 1 and the second shell 2 are repeatedly folded, so that folds are formed at the bottom of the flexible screen body 4, when the flexible screen body 4 works, the flexible screen body 4 can generate heat, the heat heats the memory alloy layer 22, the memory alloy layer 22 can be memorized and restored after being heated, the folds are eliminated, when the quantum memory film 23 is scratched, the upper support film 5 can be automatically repaired after being scratched or folded, the plurality of shaping strips 7 are arranged at the bottom of the shaping body 31, and bending gaps 8 are formed between the two adjacent shaping strips 7, so that the flexible screen body 4 can be adaptively bent through the bending gaps 8 when being bent, the phenomenon that cracks are generated on the outer wall of the top of the flexible screen body 4 due to tensile force in the bending process is prevented, and sealing glue is filled into the sealing hole 13, so that the periphery of the upper support film 5 can be tightly sealed with the first shell 1 and the second shell 2 after the sealing glue is solidified, and further the periphery of the upper support film 5 cannot generate sealing gaps, and the flexible screen has good waterproof effect; the strength of the flexible screen body 4 is improved through the polyimide polymer film 19, and the flexible screen body 4 has good buffering performance when falling through the damping film I20 and the damping film II 25, so that the flexible screen body 4 is not easy to damage due to collision.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the invention, which is defined by the appended claims.
Claims (7)
1. OLED support film based on flexible screen body, including casing one (1), its characterized in that, one side of casing one (1) is provided with casing two (2), the inside of casing one (1) and casing two (2) is provided with flexible screen body (4), the bottom outside of flexible screen body (4) is provided with down support film (6), down support film (6) are located the inside of casing one (1) and casing two (2), the top outer wall of flexible screen body (4) is provided with support film (5), upper support film (5) include flexible optical glue layer (27), the top outer wall of flexible optical glue layer (27) is provided with folding layer two (26), the top outer wall of folding layer two (26) is provided with damping film two (25), the top outer wall of damping film two (25) is provided with polarizing layer (24), the top outer wall of polarizing layer (24) is provided with quantum memory membrane (23), lower support film (6) are including memory alloy layer (22), flexible screen body (4) include flexible optical glue layer (27), the top outer wall of flexible optical glue layer (27) is provided with folding layer two (25), the top outer wall (16) is provided with light-emitting layer (16), the utility model discloses a cathode layer (17) including cathode layer, casing, sealing groove (12) and sealing hole (12) are formed in the top outer wall of casing one (1), cathode layer (17), casing two (2), casing one (1) and casing two (2)'s inner wall all are provided with seal groove (10), all integrated into one piece all around on go up backing film (5) has chimb (11), chimb (11) are located the inside of seal groove (10), the top outer wall of chimb (11) is provided with down gluey groove (29), the top inner wall of seal groove (10) is provided with rubberizing groove (30), be formed with sealing hole (12) between rubberizing groove (29) and rubberizing groove (30), glue filling hole (13) and sealing hole (12) looks adaptation are all opened to the top outer wall of casing one (1) and casing two (2).
2. The OLED support film based on the flexible screen according to claim 1, wherein a first folded layer (21) is provided on top of the memory alloy layer (22), and a first shock absorbing film (20) is provided on the top outer wall of the first folded layer (21).
3. The OLED support film based on the flexible screen according to claim 2, wherein a polyimide polymer film (19) is disposed on the top outer wall of the first shock absorbing film (20), and the polyimide polymer film (19) is located at the bottom of the anode layer (14).
4. The OLED support film based on the flexible screen according to claim 1, wherein the heat conducting layer (18) is located at the bottom of the flexible optical adhesive layer (27), and the flexible optical adhesive layer (27) is made of OCA optical adhesive.
5. The OLED support film based on the flexible screen body according to claim 1, wherein two rubber strips (3) are fixed between the first shell (1) and the second shell (2), and the two rubber strips (3) are respectively located on two sides of the flexible screen body (4).
6. The OLED support film based on the flexible screen body according to claim 1, wherein a bending gap (8) is arranged between two adjacent shaping strips (7), and an arc surface (9) is arranged on the outer wall of the bottom of each shaping strip (7).
7. The OLED support film based on the flexible screen according to claim 1, wherein the shaped body (31) is internally provided with an elastic rib layer (28), and the elastic rib layer (28) is made of 65 Mn.
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| CN202211360429.2A CN115691335B (en) | 2022-11-02 | 2022-11-02 | OLED support film based on flexible screen body |
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| CN208737802U (en) * | 2018-08-21 | 2019-04-12 | 深圳市柔宇科技有限公司 | Electronic device and its flexible display apparatus |
| CN112703601A (en) * | 2018-10-16 | 2021-04-23 | 深圳市柔宇科技股份有限公司 | Display panel, control method thereof and display device |
| CN111312748A (en) * | 2018-12-11 | 2020-06-19 | 上海和辉光电有限公司 | Flexible display screen and display device comprising same |
| CN209328005U (en) * | 2019-03-15 | 2019-08-30 | 信利光电股份有限公司 | A kind of flexibility touch module |
| CN110197620A (en) * | 2019-06-26 | 2019-09-03 | 云谷（固安）科技有限公司 | A kind of Flexible Displays mould group and flexible display apparatus |
| CN211743160U (en) * | 2020-03-11 | 2020-10-23 | 上海和辉光电股份有限公司 | Foldable display device |
| CN211350652U (en) * | 2020-03-24 | 2020-08-25 | 深圳市华芯世纪科技有限公司 | Display screen based on organic light emitting diode |
| CN111627328A (en) * | 2020-05-07 | 2020-09-04 | Oppo广东移动通信有限公司 | Electronic device and flexible display panel assembly thereof |
| CN212810138U (en) * | 2020-08-03 | 2021-03-26 | 东南电子有股份有限公司 | Miniature waterproof microswitch |
| CN112013012A (en) * | 2020-08-25 | 2020-12-01 | 维沃移动通信有限公司 | Folding electronic device |
| CN112086030A (en) * | 2020-09-29 | 2020-12-15 | 京东方科技集团股份有限公司 | Support film and flexible display device |
| CN215678997U (en) * | 2021-09-14 | 2022-01-28 | 东莞市磐鑫自动化科技有限公司 | Visual light source |
| CN217455229U (en) * | 2022-06-27 | 2022-09-20 | 南通康尔乐复合材料有限公司 | Flexible screen folding protective film |
| CN115148110A (en) * | 2022-07-29 | 2022-10-04 | 昆山国显光电有限公司 | Support piece, display module and display device |
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