CN110782797A - Flexible display screen - Google Patents
Flexible display screen Download PDFInfo
- Publication number
- CN110782797A CN110782797A CN201911129483.4A CN201911129483A CN110782797A CN 110782797 A CN110782797 A CN 110782797A CN 201911129483 A CN201911129483 A CN 201911129483A CN 110782797 A CN110782797 A CN 110782797A
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- China
- Prior art keywords
- flexible
- display screen
- flexible display
- circuit board
- thin film
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- Pending
Links
- 239000010409 thin film Substances 0.000 claims abstract description 23
- 238000007789 sealing Methods 0.000 claims description 14
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 13
- 239000000741 silica gel Substances 0.000 claims description 13
- 229910002027 silica gel Inorganic materials 0.000 claims description 13
- 239000003292 glue Substances 0.000 claims description 9
- 230000001681 protective effect Effects 0.000 claims description 8
- 229920001296 polysiloxane Polymers 0.000 claims 1
- 238000002360 preparation method Methods 0.000 abstract description 3
- 239000010408 film Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- 238000004806 packaging method and process Methods 0.000 description 6
- 239000000758 substrate Substances 0.000 description 6
- 230000007797 corrosion Effects 0.000 description 5
- 238000005260 corrosion Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000011889 copper foil Substances 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000001259 photo etching Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000005341 toughened glass Substances 0.000 description 1
Images
Classifications
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/301—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements flexible foldable or roll-able electronic displays, e.g. thin LCD, OLED
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/33—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L25/00—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof
- H01L25/03—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes
- H01L25/04—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers
- H01L25/075—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group H01L33/00
- H01L25/0753—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group H01L33/00 the devices being arranged next to each other
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/48—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
- H01L33/52—Encapsulations
- H01L33/54—Encapsulations having a particular shape
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Theoretical Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The invention provides a flexible display screen. A flexible display screen comprising: a flexible thin film circuit board; the LED lamps are fixedly arranged on the top of the flexible thin film circuit board; the plurality of leads are arranged at the top of the flexible thin film circuit board and are connected with the corresponding LED lamps. The flexible display screen provided by the invention has the advantages of convenience in preparation, wide application field, lower cost and better ductility.
Description
Technical Field
The invention relates to the technical field of flexible display screens, in particular to a flexible display screen.
Background
Electronic components connected by straight wires are not malleable, while structural flexibility makes the circuit malleable by varying the manner in which the wires are connected.
Most of the existing display screens do not have ductility, most of the existing flexible display screens use flexible OLED technology, the cost is high, and the flexible display screens are not convenient to popularize.
Therefore, it is necessary to provide a flexible display screen to solve the above technical problems.
Disclosure of Invention
The invention solves the technical problem of providing the flexible display screen which is convenient to prepare, wide in application field, low in cost and good in ductility.
In order to solve the above technical problem, the flexible display screen provided by the present invention comprises: a flexible thin film circuit board; the LED lamps are fixedly arranged on the top of the flexible thin film circuit board; the plurality of leads are arranged at the top of the flexible thin film circuit board and are connected with the corresponding LED lamps.
Preferably, a plurality of the LED lamps are distributed in a rectangular shape.
Preferably, a plurality of the wires are distributed in a net shape, and the wires are arranged in a horseshoe shape.
Preferably, the bottom fixed mounting of flexible thin film circuit board has flexible heat-conducting plate, the outside fixed cover of flexible heat-conducting plate is equipped with the rubber adapter sleeve, the top fixed mounting of rubber adapter sleeve has the support ring piece, the top fixed mounting of support ring piece has the silica gel safety cover, the silica gel safety cover is located the top of flexible thin film circuit board.
Preferably, the flexible heat conducting plate is located in the rubber connecting sleeve, and first glue is filled between the outer wall of the flexible heat conducting plate and the inner wall of the rubber connecting sleeve.
Preferably, an annular sealing groove is formed in the top of the supporting ring block, and the silica gel protective cover extends into the annular sealing groove and is fixedly connected with the inner wall of the annular sealing groove.
Preferably, the annular sealing groove is filled with second glue, and the silica gel protection cover is fixedly sealed in the annular sealing groove through the second glue.
Preferably, a plurality of mounting holes are formed in the top of the rubber connecting sleeve, and the mounting holes are distributed annularly.
Compared with the related art, the flexible display screen provided by the invention has the following beneficial effects:
the invention provides a flexible display screen, which uses a horseshoe-shaped lead island bridge structure to solve the problem that electronic elements connected by straight leads do not have extensibility; compared with the flexible display screen made of the conventional flexible OLED, the flexible display screen provided by the invention has lower cost; the film is used as a packaging layer on the flexible film circuit board, so that the effects of fixing, sealing and protecting the circuit can be achieved, the circuit can be connected with other devices through the packaging layer, and meanwhile, the flexible film circuit board has better flexibility.
Drawings
Fig. 1 is a schematic structural diagram of a flexible display screen according to a first embodiment of the present invention;
fig. 2 is a schematic diagram of a wire interconnection structure of a first embodiment of a flexible display screen provided in the present invention;
FIG. 3 is a schematic view of a second embodiment of a flexible display provided by the present invention;
fig. 4 is an enlarged schematic view of a portion a shown in fig. 3.
Reference numbers in the figures: 1. flexible film circuit board, 2, LED lamp, 3, wire, 4, flexible heat-conducting plate, 5, rubber adapter sleeve, 6, support ring piece, 7, silica gel safety cover, 8, mounting hole.
Detailed Description
The invention is further described with reference to the following figures and embodiments.
The first embodiment:
referring to fig. 1 and fig. 2 in combination, in a first embodiment of the present invention, a flexible display screen includes: a flexible thin film circuit board 1; the LED lamps 2 are fixedly arranged on the top of the flexible thin film circuit board 1; and the leads 3 are arranged at the top of the flexible thin film circuit board 1, and the leads 3 are connected with the corresponding LED lamps 2.
The plurality of LED lamps 2 are distributed in a rectangular shape.
The plurality of wires 3 are distributed in a net shape, and the wires 3 are arranged in a horseshoe shape.
The material selection of the invention is that the substrate is toughened glass, firstly, the transparent substrate is convenient for observing the progress in photoetching corrosion, and the whole process needs to be carried out on a rigid substrate, and the heating and corrosion are needed in the process flow, so the substrate needs to have the capabilities of high temperature resistance and corrosion resistance; selection of flexible substrate: TPU, TPU has good mechanical properties, and the modulus of elasticity is high, and resilience performance is good, and resistant crooked, and secondly TPU has good corrosion resistance, can bear the weak acid corrosion in the process flow, the selection of wire raw materials: the prior method for increasing the conductor has various defects, and the copper foil adhesive tape or the copper foil can be directly used to reduce the manufacturing time to a certain extent so as to improve the processing efficiency; selection of dielectric layers: TPU, determined by the test results using TPU as dielectric layer, having a dielectric coefficient of between 4 and 8; selection of an encapsulation layer: a TPU; TPU materials are relatively poor in ductility, thermal and chemical stability, but are low in cost and convenient to manufacture, have good thermoplasticity, and can be used for quickly and conveniently completing the packaging of flexible circuits by adopting a laminating method or heating while laminating, so that the time consumption in the preparation process is reduced.
The principle of the extensible flexibility of the invention is that according to the national standard, the stress value corresponding to 0.2% plastic strain is taken as the conditional yield limit or the nominal yield limit, the materials of the conducting wire, the intermediate dielectric layer, the substrate and the packaging layer used in the invention all adopt the materials, and the transverse extensibility of the conducting wire can reach 1% or more in the horseshoe-shaped conducting wire manufactured in simulation.
The invention has lower use cost and is easy to integrate and use electronic products, such as wearable equipment, intelligent architectural decoration, intelligent automobile lamps, creative intelligent furniture and the like. Therefore, the flexible display screen has extremely wide technical prospect, and can provide more freedom for changing new products, new services and new modes in the aspects of human clothes and lodging and the like.
The circuit design of the invention has reasonable lead spacing and functional element arrangement density, and greatly reduces the difficulty and rejection rate of preparation.
In the test, the extensible flexible thin film circuit can still keep good electrical effect after 5000 times of stretching and bending.
The invention can be used in intelligent transportation, such as central control, instruments, seats, skylight windows and the like of automobiles, and can use the flexible display screen. When the automobile is controlled to drive, common driving regulation and control such as steering lamps, windscreen wipers and gear shifting can be integrated on the steering wheel, the hands of a driver do not need to leave the steering wheel, the driving safety is improved, the automobile body can be better attached to the automobile body due to the extensible characteristic of the automobile body, and the automobile can be used for displaying personalized automobile lamps.
The invention can be integrated with soft and comfortable fabrics such as clothes, shoes, bags and the like, and increases the scientific and technological sense, fashion sense and practicability.
The invention can be used as the media decoration of the outer wall of a large building, and the characteristics of lightness, thinness and flexibility of the invention can ensure that the invention can be applied to wall bodies with different shapes, and the film seal can also reduce the damage of various external factors.
Compared with the related art, the flexible display screen provided by the invention has the following beneficial effects:
the invention provides a flexible display screen, which uses a horseshoe-shaped lead island bridge structure to solve the problem that electronic elements connected by straight leads do not have extensibility; compared with the flexible display screen made of the conventional flexible OLED, the flexible display screen provided by the invention has lower cost; the film is used as the packaging layer on the flexible film circuit board 1, so that the effects of fixing, sealing and protecting the circuit can be achieved, the circuit can be connected with other devices through the packaging layer, and meanwhile, the flexible film circuit board 1 has good flexibility.
Second embodiment:
based on the flexible display screen provided in the first embodiment of the present application, a second embodiment of the present application proposes another flexible display screen. The second embodiment is merely a preferred way of the first embodiment, and the implementation of the second embodiment does not affect the implementation of the first embodiment alone.
The second embodiment of the present invention will be further described with reference to the drawings and the following description.
Please refer to fig. 3 and fig. 4 in combination, the flexible display screen further includes a flexible heat conducting plate 4 fixedly mounted at the bottom of the flexible thin film circuit board 1, a rubber connecting sleeve 5 is fixedly sleeved at the outer side of the flexible heat conducting plate 4, a supporting ring block 6 is fixedly mounted at the top of the rubber connecting sleeve 5, a silica gel protective cover 7 is fixedly mounted at the top of the supporting ring block 6, and the silica gel protective cover 7 is located above the flexible thin film circuit board 1.
The flexible heat conducting plate 4 is located in the rubber connecting sleeve 5, and first glue is filled between the outer wall of the flexible heat conducting plate 4 and the inner wall of the rubber connecting sleeve 5.
Annular seal groove has been seted up at the top of backing ring piece 6, silica gel safety cover 7 extend to in the annular seal groove and with the inner wall fixed connection of annular seal groove.
The annular sealing groove is filled with second glue, and the silica gel protection cover 7 is fixedly sealed in the annular sealing groove through the second glue.
A plurality of mounting holes 8 are opened at the top of rubber adapter sleeve 5, and are a plurality of mounting holes 8 are the annular distribution.
Establish silica gel protective sheath 7 through the outside cover at flexible thin film circuit board 1, can play better guard action to flexible thin film circuit board 1, can effectually dispel the heat to flexible thin film circuit board 1 through flexible heat-conducting plate 4 simultaneously, made things convenient for simultaneously to install flexible thin film circuit board 1 through mounting hole 8.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (8)
1. A flexible display screen, comprising:
a flexible thin film circuit board;
the LED lamps are fixedly arranged on the top of the flexible thin film circuit board;
the plurality of leads are arranged at the top of the flexible thin film circuit board and are connected with the corresponding LED lamps.
2. The flexible display screen of claim 1, wherein the plurality of LED lights are distributed in a rectangular pattern.
3. The flexible display screen of claim 1, wherein the plurality of wires are distributed in a net shape, and the wires are arranged in a horseshoe shape.
4. The flexible display screen according to claim 1, wherein a flexible heat conducting plate is fixedly mounted at the bottom of the flexible thin film circuit board, a rubber connecting sleeve is fixedly sleeved on the outer side of the flexible heat conducting plate, a supporting ring block is fixedly mounted at the top of the rubber connecting sleeve, a silica gel protective cover is fixedly mounted at the top of the supporting ring block, and the silica gel protective cover is located above the flexible thin film circuit board.
5. The flexible display screen of claim 4, wherein the flexible heat-conducting plate is located in the rubber connecting sleeve, and a first glue is filled between the outer wall of the flexible heat-conducting plate and the inner wall of the rubber connecting sleeve.
6. The flexible display screen of claim 4, wherein an annular sealing groove is formed in the top of the support ring block, and the silica gel protective cover extends into the annular sealing groove and is fixedly connected with the inner wall of the annular sealing groove.
7. The flexible display screen of claim 6, wherein the annular sealing groove is filled with a second glue, and the silicone protective cover is fixedly sealed in the annular sealing groove by the second glue.
8. The flexible display screen of claim 4, wherein a plurality of mounting holes are formed in the top of the rubber connecting sleeve, and the plurality of mounting holes are distributed annularly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911129483.4A CN110782797A (en) | 2019-11-18 | 2019-11-18 | Flexible display screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911129483.4A CN110782797A (en) | 2019-11-18 | 2019-11-18 | Flexible display screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110782797A true CN110782797A (en) | 2020-02-11 |
Family
ID=69391544
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911129483.4A Pending CN110782797A (en) | 2019-11-18 | 2019-11-18 | Flexible display screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110782797A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111463221A (en) * | 2020-04-10 | 2020-07-28 | 上海天马微电子有限公司 | Display panel, manufacturing method and display device |
-
2019
- 2019-11-18 CN CN201911129483.4A patent/CN110782797A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111463221A (en) * | 2020-04-10 | 2020-07-28 | 上海天马微电子有限公司 | Display panel, manufacturing method and display device |
| CN111463221B (en) * | 2020-04-10 | 2022-12-27 | 上海天马微电子有限公司 | Display panel, manufacturing method and display device |
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