CN106684110B - A kind of flexible display panels and preparation method, display device - Google Patents
A kind of flexible display panels and preparation method, display device Download PDFInfo
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- CN106684110B CN106684110B CN201610615671.8A CN201610615671A CN106684110B CN 106684110 B CN106684110 B CN 106684110B CN 201610615671 A CN201610615671 A CN 201610615671A CN 106684110 B CN106684110 B CN 106684110B
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- display panels
- flexible display
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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
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Abstract
This application provides a kind of flexible display panels and preparation methods, display device, to improve the yield of flexible display panels, to reduce the cost of flexible product, a kind of preparation method of flexible display panels provided by the present application includes: that the functional layer of the flexible display panels is formed on hard substrate；The hard substrate is separated with the functional layer of the flexible display panels；By flexible base board with separate after the flexible display panels functional layer be bonded.
Description
Technical field
This application involves field of display technology, more particularly to a kind of flexible display panels and preparation method, display device.
Background technique
Organic EL display panel (Organic Electroluminesence Display, OLED) is relative to liquid crystal
Display screen (Liquid Crystal Display, LCD) has self-luminous, frivolous, wide viewing angle, high brightness, high contrast, low
The advantages that driving voltage and quick response, it is considered to be next-generation display technology.
And touch function is integrated into OLED display screen, better user's interaction circle can be provided for OLED display screen
Face has a good application prospect.Wherein flexible touch-control OLED display screen, due to the characteristics such as its low-power consumption, flexible, durable,
Far-reaching influence will be brought to the application of wearable device, the following flexibility touch-control OLED display screen will be with personal intelligent terminal
It is continuous infiltration and be widely applied.
It is general using in hard transparent substrate at present in the manufacturing process of the display panel of flexible touch-control OLED display screen
Flexible membrane 02 is made on 01, then makes OLED display layer 03 and touch function layer 04 on flexible membrane 02 again, as shown in Figure 1,
Fig. 1 is the structural schematic diagram of the flexible touch-control OLED display panel before the removing made in the prior art, and it is saturating then to remove hard
Bright substrate 01 forms flexible touch-control OLED display panel, as shown in Fig. 2, Fig. 2 is the flexibility after the removing made in the prior art
The structural schematic diagram of touch-control OLED display panel.Flexible touch-control OLED display panel is made using the manufacture craft, it is hard in removing
During matter transparent substrate, mainly flexible membrane is irradiated using laser, so that the flexibility contacted with hard transparent substrate
Film surface absorbs integrating laser carbonization, destroys Adhesion Interface between the two, but produce in flexible membrane and hard transparent substrate separation process
Raw heat makes flexible membrane be easy to happen thermal deformation, causes flexible product too low in mould group process section yield, so as to cause life
Produce higher cost.
Other are needed to equally exist soft using the flexible product of flexible membrane and the production of hard transparent substrate separating technology
Property film and the separation process of hard transparent substrate in the heat that generates make flexible membrane be easy to happen thermal deformation, cause flexible product good
Rate is too low, so as to cause the higher problem of production cost.
Summary of the invention
The embodiment of the present application provides a kind of flexible display panels and preparation method, display device, flexible aobvious to improve
Show the yield of panel, to reduce the cost of flexible product.
A kind of preparation method of flexible display panels provided by the embodiments of the present application includes:
The functional layer of the flexible display panels is formed on hard substrate；
The hard substrate is separated with the functional layer of the flexible display panels；
By flexible base board with separate after the flexible display panels functional layer be bonded.
Flexible display panels are prepared using this method, due to during the preparation process, first removing hard substrate, then are bonded flexibility
Substrate has used separation and transfer techniques, thermal deformation can occur to avoid flexible base board, it is thus possible to improve Flexible Displays face
The yield of plate, to reduce the cost of flexible product.
Preferably, the functional layer for forming the flexible display panels on hard substrate, comprising:
Separating layer is formed on hard substrate；
The functional layer of the flexible display panels is formed in the separating layer；
It is described to separate the hard substrate with the functional layer of the flexible display panels, comprising: by the separating layer with
The functional layer of the flexible display panels separates.
Preferably, the functional layer for forming the flexible display panels on hard substrate, further includes: in the separation
Passivation layer is formed between layer and the functional layer of the flexible display panels；
It is described to separate the separating layer with the functional layer of the flexible display panels, comprising: by the separating layer and institute
State passivation layer separation.
Preferably, the functional layer for forming the flexible display panels on hard substrate, comprising:
The functional layer of the part flexible display panels is respectively formed on two pieces of hard substrates；
The functional layer of the flexible display panels formed on two pieces of hard substrates is bonded entirely.
Preferably, the functional layer for respectively forming the part flexible display panels on two pieces of hard substrates, comprising:
Organic luminescent device is formed on the first hard substrate；
Touch control detection device is formed on the second hard substrate.
Preferably, described form touch control detection device on the second hard substrate, comprising: formed on the second hard substrate
The touch control electrode layer of metal mesh structure.
The touch control electrode layer for using this method to be formed is the touch control electrode layer of metal mesh structure, on the one hand, due to metal
Electrode in the touch control electrode layer of network is metal electrode, and resistance is low, and the area that metal mesh structure occupies is small, because
This can reduce the inductance capacitance between touch control electrode and show electrode, so that interference is reduced, on the other hand, since metal grill touches
It is more at low cost than existing tin indium oxide (ITO) electrode to control electrode, therefore production cost can be reduced.
Preferably, it is described by flexible base board with separate after the flexible display panels functional layer be bonded, comprising: shelling
First flexible substrate is bonded in the functional layer of the flexible display panels from the first hard substrate side.
Preferably, it is described by flexible base board with separate after the flexible display panels functional layer be bonded, further includes:
Remove the second flexible base being bonded in the functional layer of the flexible display panels of the second hard substrate side as packaging film
Plate.
The embodiment of the present application also provides a kind of flexible display panels, which is using the embodiment of the present application
The flexible display panels that the preparation method of the above-mentioned flexible display panels provided is prepared.
Due to flexible display panels provided by the embodiments of the present application, using the preparation method of above-mentioned flexible display panels
It is prepared, during the preparation process, first removes hard substrate, then be bonded flexible base board, used separation and transfer techniques, it can be with
Avoid flexible base board that thermal deformation occurs, it is thus possible to improve the yield of flexible display panels, thus reduce flexible product at
This.
The embodiment of the present application also provides a kind of display devices, including above-mentioned Flexible Displays face provided by the embodiments of the present application
Plate.
Since display device provided by the embodiments of the present application uses above-mentioned flexible display panels, and Flexible Displays face
Prepared by the preparation method that plate uses above-mentioned flexible display panels, during the preparation process, first remove hard substrate, then paste
Flexible base board is closed, separation and transfer techniques have been used, thermal deformation can occur to avoid flexible base board, it is thus possible to improve flexible
The yield of display panel, to reduce the cost of flexible product.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the flexible touch-control OLED display panel before the removing made in the prior art；
Fig. 2 is the structural schematic diagram of the flexible touch-control OLED display panel after the removing made in the prior art；
Fig. 3 is a kind of flow diagram of the preparation method of flexible display panels provided by the embodiments of the present application；
Fig. 4 (a)~4 (l) is that the preparation process flow of flexible touch-control OLED display panel provided by the embodiments of the present application is shown
It is intended to；
Fig. 5 is touch control electrode layer and chromatic filter layer in flexible touch-control OLED display panel provided by the embodiments of the present application
Partial top view.
Specific embodiment
The embodiment of the present application provides a kind of flexible display panels and preparation method, display device, flexible aobvious to improve
Show the yield of panel, to reduce the cost of flexible product.
Below in conjunction with the attached drawing in the embodiment of the present application, technical solutions in the embodiments of the present application carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of embodiments of the present application, instead of all the embodiments.It is based on
Embodiment in the application, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall in the protection scope of this application.
It should be noted that the thickness of each device and shape do not reflect actual proportions in illustrations, purpose is only shown
Meaning illustrates teachings herein.
Referring to Fig. 3, a kind of preparation method of flexible display panels provided by the embodiments of the present application includes the following steps:
S101, the functional layer that the flexible display panels are formed on hard substrate；
S102, the hard substrate is separated with the functional layer of the flexible display panels；
S103, by flexible base board with separate after the flexible display panels functional layer be bonded.
Wherein, hard substrate can be glass substrate, quartz base plate, quartz wafer etc..
Flexible base board can be polyether sulfone (PES), polyacrylate (PAR), polyetherimide (PEI), poly- naphthalenedicarboxylic acid
Glycol ester (PEN), polyphenylene sulfide (PPS), polyallyl (polyallylate), gathers at polyethylene terephthalate (PET)
Imide resin (PI), polycarbonate (PC), Triafol T (TAC), cellulose acetate propionate (CAP) or acrylate
Or the organic transparent substrate of insulation that constitutes of their combination one of (acryl).
It should be noted that the fitting in step S103 can be full fitting, or other laminating types.
Preferably, the functional layer of the flexible display panels is formed in step S101 on hard substrate, comprising:
Separating layer is formed on hard substrate；
The functional layer of the flexible display panels is formed in the separating layer.
At this point, the hard substrate is separated with the functional layer of the flexible display panels in step S102, comprising: by institute
Separating layer is stated to separate with the functional layer of the flexible display panels.
Preferably, the functional layer of the flexible display panels is formed in step S101 on hard substrate, further includes: in institute
It states and forms passivation layer between separating layer and the functional layer of the flexible display panels.
At this point, above-mentioned separate the separating layer with the functional layer of the flexible display panels, comprising: by the separating layer
It is separated with the passivation layer.
The functional layer for forming the flexible display panels in step S101 on hard substrate can be in one piece of hard substrate
The upper functional layer for forming the flexible display panels, forms the functional layer of the flexible display panels on one piece of hard substrate
Making step is same as the prior art, and details are not described herein.
Certainly, preferably, the functional layer for forming the flexible display panels in step S101 on hard substrate can also be with
It is made on two pieces of hard substrates, making step includes:
The functional layer of the part flexible display panels is respectively formed on two pieces of hard substrates；
The functional layer of the flexible display panels formed on two pieces of hard substrates is bonded entirely.
Preferably, if preparing flexible touch-control OLED display panel, it is above-mentioned respectively to be formed described in part on two pieces of hard substrates
The functional layer of flexible display panels, such as may include:
Organic luminescent device is formed on the first hard substrate；
Touch control detection device is formed on the second hard substrate.
It should be noted that since organic luminescent device from touch control detection device is respectively in two pieces of different hard substrates
Upper production, therefore, making step do not have successive point, can first make organic luminescent device, then make touch control detection device,
Touch control detection device can also be first made, then makes organic luminescent device, can be made simultaneously with the two.
Preferably, in step S103 by flexible base board with separate after the flexible display panels functional layer be bonded, packet
It includes: being bonded first flexible substrate in the functional layer of the flexible display panels for removing the first hard substrate side.
Thin-film encapsulation layer can be made in the functional layer of the flexible display panels for removing the second hard substrate side,
It certainly, can be with preferably, being bonded flexible base board with the functional layer of the flexible display panels after separating in step S103
It include: second be bonded in the functional layer of the flexible display panels for removing the second hard substrate side as packaging film
Flexible base board.
Preferably, above-mentioned form organic luminescent device on the first hard substrate, may include:
Field effect transistor tube layer is formed on the first hard substrate；
Multiple organic light-emitting units (i.e. organic luminous layer) in array distribution are formed on scene effect transistor layer.
Wherein, the luminescent material that organic light-emitting units use can to glow, the luminous organic material of green light or blue light,
It may be white-light organic light-emitting material.
Preferably, interference is reduced in order to reduce the inductance capacitance between touch control electrode and show electrode, it is above-mentioned in the second hard
Touch control detection device is formed on substrate, may include: the touch control electrode layer that metal mesh structure is formed on the second hard substrate.
Preferably, the above-mentioned touch control electrode layer for forming metal mesh structure on the second hard substrate, comprising: hard second
A plurality of the first metal electrode extended in a first direction, a plurality of the second metal electrode extended in a second direction are formed on matter substrate
With bridge point；Wherein, bridge point is located at the overlapping place of the first metal electrode and the second metal electrode, so that the first metal electrode and second
Metal electrode insulation；Any two the first adjacent metal electrodes and any two the second adjacent metal electrode common definitions one
Grid；First direction is not parallel with second direction.
Preferably, formation is on above-mentioned scene effect transistor layer in order to simplify technique and not influence the aperture opening ratio shown
Multiple organic light-emitting units of array distribution, comprising: formed on position corresponding with each grid on scene effect transistor layer
At least one organic light-emitting units (such as 4).Since organic light-emitting units are arranged on the corresponding position of grid namely metal
On the corresponding position in the gap that touch control electrode is arranged between adjacent organic light-emitting units, the opening of display thus will not influence
Rate.
Preferably, metal touch control electrode reflects extraneous light and influences display effect in order to prevent, it is above-mentioned hard second
Touch control detection device is formed on matter substrate, further includes: between the second hard substrate and the touch control electrode layer of metal mesh structure
Form the black matrix layer for limiting each organic light-emitting units.
Using this method make black matrix, positioned at the touch control electrode layer of the second hard substrate and metal mesh structure it
Between, and for limiting each organic light-emitting units, and organic light-emitting units are arranged on the corresponding position of grid, it follows that
Metal touch control electrode is arranged on the corresponding position of black matrix, the light that can prevent the reflection of metal touch control electrode extraneous in this way,
To influence display effect.
Preferably, if preparation includes the flexible touch-control OLED display panel of chromatic filter layer, it can be in above-mentioned metal grill
On each grid of the touch control electrode layer of structure, and an optical filter is formed on position corresponding with each organic light-emitting units.
This, which is equivalent on touch control electrode layer, makes chromatic filter layer, naturally it is also possible to colorized optical filtering is not made on touch control electrode layer
Layer, and select to make on other layers, such as chromatic filter layer can be made in black matrix layer.
Below by taking the preparation of the flexible touch-control OLED display panel comprising chromatic filter layer as an example, in conjunction with attached drawing 4 (a)~4
(l) preparation process flow of flexible touch-control OLED display panel provided by the embodiments of the present application is illustrated.
Step 1: referring to fig. 4 (a), forming the first separating layer 2 on the first glass substrate 1；
Step 2: referring to fig. 4 (b), forming the first passivation layer 3 in the first separating layer 2；
Step 3: referring to fig. 4 (c), forming field effect transistor tube layer 4 on the first passivation layer 3；
Step 4: forming multiple organic light-emitting units in array distribution referring to fig. 4 (d), on scene effect transistor layer 4
5 (forming organic luminous layer)；
Wherein, the luminescent material that organic light-emitting units 5 use can be white-light organic light-emitting material.
It should be pointed out that step 1 forms organic luminescent device on the first glass substrate 1 to step 4.
Step 5: referring to fig. 4 (e), forming the second separating layer 7 on the second glass substrate 6；
Step 6: referring to fig. 4 (f), forming the second passivation layer 8 in the second separating layer 7；
Step 7: referring to fig. 4 (g), forming the black matrix for limiting each organic light-emitting units on the second passivation layer 8
Layer 9；
Step 8: referring to fig. 4 (h), the touch-control of metal mesh structure is formed in black matrix layer 9 using metal grill technology
Electrode layer 10；
Wherein, as shown in figure 5, touch control electrode layer 10 (as shown in dotted line frame in Fig. 5) packet of the metal mesh structure formed
It includes: a plurality of the first metal electrode 101 extended in a first direction, a plurality of 102 and of the second metal electrode extended in a second direction
Bridge point 103；Wherein, bridge point 103 is located at the overlapping place of the first metal electrode 101 and the second metal electrode 102, so that the first metal
Electrode 101 and the second metal electrode 102 insulate；Any two articles adjacent first metal electrodes 101 it is adjacent with any two articles the
Two metal electrodes, 102 common definition, one grid 104；First direction is not parallel with second direction.
Wherein, 4 organic light emissions can be set on position corresponding with each grid 104 on scene effect transistor layer 4
Unit 5.
Step 9: referring to fig. 4 (i), it is right with each organic light-emitting units 5 on the touch control electrode layer 10 of metal mesh structure
An optical filter 11 (forming chromatic filter layer) is formed on the position answered；
Above-mentioned step nine namely 4 filters of formation on each grid 104 of the touch control electrode layer 10 of metal mesh structure
Mating plate 11, as shown in Figure 5.
It should be pointed out that step 5 to step 9 forms touch control detection device on the second glass substrate 6.
Step 10: referring to fig. 4 (j), by organic light-emitting units 5 and the corresponding fitting entirely of optical filter 11；
It should be pointed out that above-mentioned step ten be equivalent to the organic luminescent device that will be formed on the first glass substrate 1 with
The touch control detection device formed on second glass substrate 6 is bonded entirely.
Step 11: referring to fig. 4 (k), the first separating layer 2 is separated with the first passivation layer 3, and by the second separating layer 7
It is separated with the second passivation layer 8；
Step 12: referring to fig. 4 (l), first flexible substrate 12 is bonded with the first passivation layer 3, and by second
Flexible base board 13 is bonded with the second passivation layer 8.
Based on the same inventive concept, the embodiment of the present application also provides a kind of flexible display panels, the flexible display panels
The flexible display panels being prepared for the preparation method using above-mentioned flexible display panels provided by the embodiments of the present application.
Based on the same inventive concept, the embodiment of the present application also provides a kind of display devices, including the embodiment of the present application to mention
The above-mentioned flexible display panels supplied.
In conclusion in technical solution provided by the embodiments of the present application, due to during preparing flexible display panels, first
Hard substrate is removed, then is bonded flexible base board, has used separation and transfer techniques, thermal deformation can occur to avoid flexible base board,
It is thus possible to improve the yield of flexible display panels, to reduce the cost of flexible product.
Obviously, those skilled in the art can carry out various modification and variations without departing from the essence of the application to the application
Mind and range.In this way, if these modifications and variations of the application belong to the range of the claim of this application and its equivalent technologies
Within, then the application is also intended to include these modifications and variations.
Claims (6)
1. a kind of preparation method of flexible display panels, which is characterized in that this method comprises:
The first separating layer is formed on the first hard substrate and forms the flexible display panels in first separating layer
A portion functional layer；
The second separating layer is formed on the second hard substrate and forms the flexible display panels in second separating layer
Another part functional layer；
The functional layer of the flexible display panels formed on two pieces of hard substrates is bonded entirely；
First separating layer is separated with a portion functional layer of the flexible display panels；
Second separating layer is separated with another part functional layer of the flexible display panels；
First is bonded in a portion functional layer of the flexible display panels of removing first hard substrate side
Flexible base board；
Fitting second is soft in another part functional layer of the flexible display panels of removing second hard substrate side
Property substrate.
2. the method according to claim 1, wherein further include: it is aobvious in first separating layer and the flexibility
Show and forms the first passivation layer between a portion functional layer of panel；In second separating layer and the flexible display panels
Another part functional layer between form the second passivation layer；
It is described to separate first separating layer with a portion functional layer of the flexible display panels, comprising: will be described
First separating layer is separated with first passivation layer；
It is described to separate second separating layer with another part functional layer of the flexible display panels, comprising: by described
Two separating layers are separated with second passivation layer.
3. the method according to claim 1, wherein being formed in described flexible aobvious on first hard substrate
A portion functional layer for showing panel is organic luminescent device；
A portion functional layer for being formed in the flexible display panels on second hard substrate is touch control detection device
Part.
4. according to the method described in claim 3, it is characterized in that, the touch control detection device is metal mesh structure.
5. a kind of flexible display panels, which is characterized in that the flexible display panels are using any claim of Claims 1 to 4
The flexible display panels that the method is prepared.
6. a kind of display device, which is characterized in that including the flexible display panels described in claim 5.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610615671.8A CN106684110B (en) | 2016-07-28 | 2016-07-28 | A kind of flexible display panels and preparation method, display device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610615671.8A CN106684110B (en) | 2016-07-28 | 2016-07-28 | A kind of flexible display panels and preparation method, display device |
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| Publication Number | Publication Date |
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| CN106684110A CN106684110A (en) | 2017-05-17 |
| CN106684110B true CN106684110B (en) | 2019-10-22 |
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| CN108511635B (en) * | 2018-06-07 | 2020-03-06 | 京东方科技集团股份有限公司 | Preparation method of flexible display substrate |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104576971A (en) * | 2013-10-24 | 2015-04-29 | 胜华科技股份有限公司 | Flexible element and manufacturing method thereof |
| CN105321976A (en) * | 2014-07-29 | 2016-02-10 | 南京瀚宇彩欣科技有限责任公司 | Organic electro-excitation light touch control panel |
| EP2991116A1 (en) * | 2014-08-29 | 2016-03-02 | LG Display Co., Ltd. | In cell-type touch panel integrated flexible organic light emitting display device |
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2016
- 2016-07-28 CN CN201610615671.8A patent/CN106684110B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104576971A (en) * | 2013-10-24 | 2015-04-29 | 胜华科技股份有限公司 | Flexible element and manufacturing method thereof |
| CN105321976A (en) * | 2014-07-29 | 2016-02-10 | 南京瀚宇彩欣科技有限责任公司 | Organic electro-excitation light touch control panel |
| EP2991116A1 (en) * | 2014-08-29 | 2016-03-02 | LG Display Co., Ltd. | In cell-type touch panel integrated flexible organic light emitting display device |
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Granted publication date: 20191022 |