CN109659344A - Flexible OLED-device - Google Patents
Flexible OLED-device Download PDFInfo
- Publication number
- CN109659344A CN109659344A CN201811544610.2A CN201811544610A CN109659344A CN 109659344 A CN109659344 A CN 109659344A CN 201811544610 A CN201811544610 A CN 201811544610A CN 109659344 A CN109659344 A CN 109659344A
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- CN
- China
- Prior art keywords
- shock resistance
- adhesive layer
- protective layer
- oled
- cover board
- Prior art date
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Classifications
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/10—OLED displays
- H10K59/12—Active-matrix OLED [AMOLED] displays
-
- 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
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Electroluminescent Light Sources (AREA)
Abstract
The present invention provides a kind of flexible OLED-device.The flexible OLED-device includes oled panel and the cover board on the oled panel；Multiple first shock resistance structures are equipped in the cover board；First shock resistance structure will not only destroy the original function of film layer, moreover it is possible to effectively decompose the impact force that flexible OLED-device is subject to, avoid stress concentration from causing to damage product, improve the impact resistance of flexible OLED-device.
Description
Technical field
The present invention relates to field of display technology more particularly to a kind of flexible OLED-devices.
Background technique
Organic LED display device (Organic Light Emitting Display, OLED) has spontaneous
Light, driving voltage are low, luminous efficiency is high, the response time is short, clarity and contrast are high, nearly 180 ° of visual angles, use temperature ranges
Width is known as being the display for most having development potentiality by industry, it can be achieved that many advantages, such as Flexible Displays are with large area total colouring
Device.
OLED device generally includes: substrate, the hole injection layer on anode, is set to sky at the anode on substrate
Hole transmission layer on the implanted layer of cave, the luminous material layer on hole transmission layer, the electronics on luminous material layer pass
Defeated layer, the electron injecting layer on electron transfer layer and the cathode on electron injecting layer.The principle of luminosity of OLED device
It is semiconductor material and luminous organic material under electric field driven, passes through carrier injection and composite guide photoluminescence.Specifically,
OLED device generallys use tin indium oxide (ITO) electrode and metal electrode respectively as the anode and cathode of device, in certain electricity
Under pressure driving, electrons and holes are injected into electron transfer layer and hole transmission layer, electrons and holes point from cathode and anode respectively
Not Jing Guo electron transfer layer and hole transmission layer move to luminous material layer, and meet in luminous material layer, form exciton simultaneously
Excite light emitting molecule, the latter issues visible light by radiative relaxation.
OLED according to driving method can be divided into passive matrix OLED (Passive Matrix OLED, PMOLED) and
Active array type OLED (Active Matrix OLED, AMOLED) two major classes, i.e. directly addressing and film transistor matrix are sought
Two class of location.Wherein, AMOLED has the pixel in array arrangement, belongs to active display type, and luminous efficacy is high, is typically used as
Large scale display device high-definition.
With the maturation of flexible OLED panel technology, flexible panel OLED can be with mass production, and is the life of folding screen
Production provides reliable basis.In foldable oled panel module group procedure, in order to accomplish that product is frivolous and is convenient for bending, various films
The thickness of material is all thinned as far as possible, but membrane material is thinned and will lead to the reduction of product impact resistance, and product is easily damaged.
Summary of the invention
The purpose of the present invention is to provide a kind of flexible OLED-devices, and can concentrate to avoid stress causes to damage product, mention
The impact resistance of high flexibility OLED device.
To achieve the above object, the present invention provides a kind of flexible OLED-devices, comprising: oled panel and is set to described
Cover board on oled panel；
Multiple first shock resistance structures are equipped in the cover board；
First shock resistance structure is for decomposing the impact force that flexible OLED-device is subject to.
The flexible OLED-device further includes set on the cover board adhesive layer between the oled panel and cover board；The cover board
Multiple second shock resistance structures are equipped in adhesive layer.
The flexible OLED-device further include set between the oled panel and cover board adhesive layer up-protective layer and
Up-protective layer adhesive layer between the up-protective layer and oled panel；Multiple the are equipped in the up-protective layer adhesive layer
Three shock resistance structures.
The flexible OLED-device further includes lower protective layer below the oled panel and is set to the lower guarantor
Lower protective layer adhesive layer between sheath and oled panel；Multiple 4th shock resistance knots are equipped in the lower protective layer adhesive layer
Structure.
The material of the cover board adhesive layer, up-protective layer adhesive layer and lower protective layer adhesive layer is optical cement.
First shock resistance structure, the second shock resistance structure, third shock resistance structure and the 4th shock resistance structure
Shape is waveform；First shock resistance structure, the second shock resistance structure, third shock resistance structure and the 4th shock resistance
Structure is carbon fiber structural.
The cross-sectional shape of the carbon fiber structural is waveform.
The forming method of the cover board adhesive layer, up-protective layer adhesive layer and lower protective layer adhesive layer are as follows: molding is provided
Mold, the molding die have a shaping groove, multiple carbon fiber structurals are placed in shaping groove, coating nozzles are passed through
Optics glue material is coated in shaping groove to cover multiple carbon fiber structurals, forms cover board adhesive layer, up-protective layer bonding
Layer and lower protective layer adhesive layer.
The forming method of the cover board are as follows: provide molding die, the molding die has a shaping groove, by multiple carbon
Fibre structure is placed in shaping groove, and cover plate materials are coated in shaping groove to cover multiple carbon fibers by coating nozzles
Structure is tieed up, cover board is formed.
The multiple carbon fiber structural is in arranged in parallel or cross arrangement in shaping groove.
Beneficial effects of the present invention: flexible OLED-device of the invention include oled panel and be set to the oled panel
On cover board；Multiple first shock resistance structures are equipped in the cover board；First shock resistance structure will not only destroy film layer
Original function, moreover it is possible to effectively decompose the impact force that is subject to of flexible OLED-device, avoid stress concentration from causing to damage product, improve
The impact resistance of flexible OLED-device.
Detailed description of the invention
For further understanding of the features and technical contents of the present invention, it please refers to below in connection with of the invention detailed
Illustrate and attached drawing, however, the drawings only provide reference and explanation, is not intended to limit the present invention.
In attached drawing,
Fig. 1 is the structural schematic diagram of flexible OLED-device of the invention；
Fig. 2 and Fig. 3 is the schematic diagram that the carbon fiber structural of flexible OLED-device of the invention arranges in shaping groove；
Fig. 4 is the schematic diagram at the A-A of Fig. 2.
Specific embodiment
Further to illustrate technological means and its effect adopted by the present invention, below in conjunction with preferred implementation of the invention
Example and its attached drawing are described in detail.
Referring to Fig. 1, the present invention provides a kind of flexible OLED-device, comprising: oled panel 10 and be set to the OLED
Cover board 20 on panel 10；
Multiple first shock resistance structures 21 are equipped in the cover board 20；
First shock resistance structure 21 is for decomposing the impact force that flexible OLED-device is subject to.
Specifically, the flexible OLED-device further includes set on the cover board bonding between the oled panel 10 and cover board 20
Layer 30；Multiple second shock resistance structures 31 are equipped in the cover board adhesive layer 30.
Further, the flexible OLED-device further includes being set between the oled panel 10 and cover board adhesive layer 30
Up-protective layer 40 and the up-protective layer adhesive layer 50 between the up-protective layer 40 and oled panel 10；The upper protection
Multiple third shock resistance structures 51 are equipped in layer adhesive layer 50.
Further, the flexible OLED-device further include set on 10 lower section of the oled panel lower protective layer 60 and
Lower protective layer adhesive layer 70 between the lower protective layer 60 and oled panel 10；It is set in the lower protective layer adhesive layer 70
There are multiple 4th shock resistance structures 71.
Further, the flexible OLED-device further includes being set between up-protective layer 40 and the cover board adhesive layer 30
Polaroid 80.
Specifically, the material of the cover board adhesive layer 30, up-protective layer adhesive layer 50 and lower protective layer adhesive layer 70 is equal
For optical cement (Optically Clear Adhesive, OCA).
Specifically, first shock resistance structure 21, the second shock resistance structure 31, third shock resistance structure 51 and the 4th
The shape of shock resistance structure 71 can be the shapes such as zigzag, waveform or pulse form, in order to guarantee shock resistance structure point
The ability of impact force is solved, shock resistance structure of the invention is preferably shaped to waveform.
First shock resistance structure 21, the second shock resistance structure 31, third shock resistance structure 51 and the 4th shock resistance
Structure 71 is carbon fiber structural.
Further, likewise, the cross-sectional shape of the carbon fiber structural can be zigzag, waveform or pulse
The shapes such as shape, in order to guarantee the ability of carbon fiber structural decomposition impact force, the cross-sectional shape of carbon fiber structural of the invention is excellent
It is selected as waveform.
Specifically, the oled panel 10 includes flexible substrate 11, the TFT layer 12 in the flexible substrate 11, sets
In the thin-film encapsulation layer 14 of OLED device 13 and the covering OLED device 13 on the TFT layer 12.
Further, the oled panel 10 further includes connecting and being located at outside thin-film encapsulation layer 14 with the TFT layer 12
COF (flip chip) 15 and the PCB (printed circuit board) 16 that is connect with the COF15.
Specifically, the COF15 is connect by anisotropic conductive adhesive paste (ACF) 17 with the TFT layer 12.
Specifically, as shown in Figures 2 and 4, cover board adhesive layer 30, up-protective layer adhesive layer 50 and lower protection of the invention
The forming method of layer adhesive layer 70 are as follows: provide molding die 100, the molding die 100 has a shaping groove 101, will be more
A carbon fiber structural is placed in shaping groove 101, and optics glue material is coated on shaping groove 101 by coating nozzles 102
In to cover multiple carbon fiber structurals, form cover board adhesive layer 30, up-protective layer adhesive layer 50 and lower protective layer adhesive layer 70.
Likewise, 20 forming method of cover board of the invention are as follows: provide molding die 100, the molding die 100 has one
Multiple carbon fiber structurals are placed in shaping groove 101 by shaping groove 101, are coated with cover plate materials by coating nozzles 102
To cover multiple carbon fiber structurals in shaping groove 101, cover board 20 is formed.
Specifically, the top view shapes of the carbon fiber structural are strip.
Specifically, as shown in Figures 2 and 3, multiple carbon fiber structurals are in shaping groove 101 in arranged in parallel or intersection row
Column.
It should be noted that the present invention passes through in cover board 20, cover board adhesive layer 30, up-protective layer adhesive layer 50 and lower guarantor
Sheath adhesive layer 70 increases carbon fiber structural as shock resistance structure, which will not only destroy the original of film layer
It is functional, moreover it is possible to effectively to decompose the impact force that flexible OLED-device is subject to, stress concentration is avoided to cause to damage product, improve flexible
The impact resistance of OLED device.
In conclusion flexible OLED-device of the invention includes oled panel and the lid on the oled panel
Plate；Multiple first shock resistance structures are equipped in the cover board；First shock resistance structure will not only destroy the original of film layer
Function, moreover it is possible to effectively decompose the impact force that flexible OLED-device is subject to, stress concentration is avoided to cause to damage product, improve flexible
The impact resistance of OLED device.
The above for those of ordinary skill in the art can according to the technique and scheme of the present invention and technology
Other various corresponding changes and modifications are made in design, and all these change and modification all should belong to the claims in the present invention
Protection scope.
Claims (10)
1. a kind of flexible OLED-device characterized by comprising oled panel (10) and be set to the oled panel (10) on
Cover board (20)；
Multiple first shock resistance structures (21) are equipped in the cover board (20)；
First shock resistance structure (21) is for decomposing the impact force that flexible OLED-device is subject to.
2. flexible OLED-device as described in claim 1, which is characterized in that further include being set to the oled panel (10) and lid
Cover board adhesive layer (30) between plate (20)；Multiple second shock resistance structures (31) are equipped in the cover board adhesive layer (30).
3. flexible OLED-device as claimed in claim 2, which is characterized in that further include being set to the oled panel (10) and lid
It up-protective layer (40) between plate adhesive layer (30) and is set to upper between the up-protective layer (40) and oled panel (10)
Protective layer adhesive layer (50)；Multiple third shock resistance structures (51) are equipped in the up-protective layer adhesive layer (50).
4. flexible OLED-device as claimed in claim 3, which is characterized in that further include being set to below the oled panel (10)
Lower protective layer (60) and be set to lower protective layer adhesive layer (70) between the lower protective layer (60) and oled panel (10)；
Multiple 4th shock resistance structures (71) are equipped in the lower protective layer adhesive layer (70).
5. flexible OLED-device as claimed in claim 4, which is characterized in that the cover board adhesive layer (30), up-protective layer are viscous
The material for tying layer (50) and lower protective layer adhesive layer (70) is optical cement.
6. flexible OLED-device as claimed in claim 5, which is characterized in that first shock resistance structure (21), second resist
The shape of impact structure (31), third shock resistance structure (51) and the 4th shock resistance structure (71) is waveform；Described
One shock resistance structure (21), the second shock resistance structure (31), third shock resistance structure (51) and the 4th shock resistance structure (71)
It is carbon fiber structural.
7. flexible OLED-device as claimed in claim 6, which is characterized in that the cross-sectional shape of the carbon fiber structural is wave
Shape wave.
8. flexible OLED-device as claimed in claim 6, which is characterized in that the cover board adhesive layer (30), up-protective layer are viscous
Tie the forming method of layer (50) and lower protective layer adhesive layer (70) are as follows: provide molding die (100), the molding die
(100) there are a shaping groove (101), multiple carbon fiber structurals is placed in shaping groove (101), coating nozzles are passed through
(102) optics glue material is coated in shaping groove (101) to cover multiple carbon fiber structurals, forms cover board adhesive layer
(30), up-protective layer adhesive layer (50) and lower protective layer adhesive layer (70).
9. flexible OLED-device as claimed in claim 6, which is characterized in that the forming method of the cover board (20) are as follows: provide
Molding die (100), the molding die (100) have a shaping groove (101), multiple carbon fiber structurals are placed on molding
In groove (101), cover plate materials are coated in shaping groove (101) to cover multiple carbon fibers by coating nozzles (102)
Structure is formed cover board (20).
10. flexible OLED-device as claimed in claim 8 or 9, which is characterized in that the multiple carbon fiber structural is recessed in molding
It is in arranged in parallel or cross arrangement in slot (101).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811544610.2A CN109659344B (en) | 2018-12-17 | 2018-12-17 | Flexible OLED device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811544610.2A CN109659344B (en) | 2018-12-17 | 2018-12-17 | Flexible OLED device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109659344A true CN109659344A (en) | 2019-04-19 |
| CN109659344B CN109659344B (en) | 2021-04-02 |
Family
ID=66114670
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811544610.2A Active CN109659344B (en) | 2018-12-17 | 2018-12-17 | Flexible OLED device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109659344B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110428738A (en) * | 2019-07-31 | 2019-11-08 | 武汉天马微电子有限公司 | A kind of display module and display device |
| CN110518144A (en) * | 2019-08-20 | 2019-11-29 | 武汉天马微电子有限公司 | Flexible package cover board, its production method, flexible display panels and display device |
| CN110635014A (en) * | 2019-09-25 | 2019-12-31 | 昆山工研院新型平板显示技术中心有限公司 | Flexible cover plate and display panel |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110428738A (en) * | 2019-07-31 | 2019-11-08 | 武汉天马微电子有限公司 | A kind of display module and display device |
| CN110518144A (en) * | 2019-08-20 | 2019-11-29 | 武汉天马微电子有限公司 | Flexible package cover board, its production method, flexible display panels and display device |
| CN110518144B (en) * | 2019-08-20 | 2021-10-15 | 武汉天马微电子有限公司 | Flexible packaging cover plate, manufacturing method thereof, flexible display panel and display device |
| CN110635014A (en) * | 2019-09-25 | 2019-12-31 | 昆山工研院新型平板显示技术中心有限公司 | Flexible cover plate and display panel |
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| Publication number | Publication date |
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| CN109659344B (en) | 2021-04-02 |
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