CN208938971U - A kind of Flexible Displays motherboard, flexibility AMOLED display panel and flexible display device - Google Patents
A kind of Flexible Displays motherboard, flexibility AMOLED display panel and flexible display device Download PDFInfo
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- CN208938971U CN208938971U CN201821414207.3U CN201821414207U CN208938971U CN 208938971 U CN208938971 U CN 208938971U CN 201821414207 U CN201821414207 U CN 201821414207U CN 208938971 U CN208938971 U CN 208938971U
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Abstract
The utility model provides a kind of Flexible Displays motherboard, flexibility AMOLED display panel and flexible display device, the Flexible Displays motherboard includes viewing area and non-display area, the non-display area includes substrate and the flexible polymer skin on substrate, the viewing area is located on flexible polymer skin, and the fringe region setting of the one side on the substrate away from viewing area absorbs the laser zone LLO.Fringe region setting of the utility model by the substrate on Flexible Displays motherboard away from the one side of viewing area absorbs the laser zone LLO, so that the Flexible Displays motherboard by LLO laser irradiation when being separated, the laser energy of LLO can suitably be increased, guarantee the carbonization of flexible polymer skin uniformly and is sufficiently separated, with controllability, avoid viewing area impaired, guarantee not to be damaged by it by the isolated flexible AMOLED display panel of laser irradiation, guarantee that its is with good performance, has a extensive future.
Description
Technical field
The utility model belongs to flexible display apparatus technical field, and it is aobvious to be related to a kind of Flexible Displays motherboard, flexibility AMOLED
Show panel and flexible display device.
Background technique
Implement active matrix organic light emitting diode on the glass substrate for being coated with fire resistant polyimide (PI) film
(AMOLED) then each process flow separates flexible PI film with glass substrate, to obtain the flexibility on polyimides
AMOLED display screen；
PI film separated with glass substrate common technology be laser separation technique (Laser Lift-off, LLO), laser from
The base plate glass back side is pointed into PI film layer, and the strong absorption due to PI film to specific optical maser wavelength, the illuminated surface layer PI is carbonized,
Reduce the adhesion strength between PI film and glass substrate, to realize the separation of PI film and glass substrate.
However, PI carbonization is uneven or insufficient when LLO laser energy is weaker, easily occur when being separated with glass substrate
Phenomenon is pullled in adhesion, can cause the AMOLED component failure on PI film；When LLO laser energy is stronger, PI carbonization is excessively filled
Point, when separating with glass substrate, there is non-controllable risk, such as voluntarily falls off, influence subsequent technique processing procedure.
Summary of the invention
In view of the deficiencies of the prior art, the purpose of this utility model is to provide a kind of Flexible Displays motherboards, Flexible Displays
Panel and flexible display device.
In order to achieve that object of the invention, the utility model uses following technical scheme:
On the one hand, the utility model provides a kind of Flexible Displays motherboard, and the Flexible Displays motherboard includes viewing area and non-
Viewing area, the non-display area include substrate and the flexible polymer skin on substrate, and the viewing area is located at flexible poly-
It closes on nitride layer, the fringe region setting of the one side on the substrate away from viewing area absorbs the laser zone LLO.
In the present invention, the fringe region by the substrate on Flexible Displays motherboard away from the one side of viewing area is set
It sets and absorbs the laser zone LLO, so that the Flexible Displays motherboard when separating by LLO laser irradiation, can suitably increase swashing for LLO
Light energy guarantees the carbonization of flexible polymer skin uniformly and is sufficiently separated, has controllability, avoids the area AA impaired, and energy
Enough avoid voluntarily falling off for flexible polymer skin and substrate.
In the present invention, the edge absorption laser zone LLO being disposed on the substrate is because edge is non-aobvious
Show area, avoids the influence to viewing area；In addition, shovel can be passed through because of the absorbed fringe region not being sufficiently separated of LLO laser
Knife progress is mechanically decoupled, final to realize that the whole face of flexible polymer skin and substrate is completely separated in conjunction with LLO.
In the present invention, the laser zone absorption LLO apart from 5~50mm of substrate edges (such as 5mm, 8mm,
10mm, 12mm, 15mm, 18mm, 20mm, 25mm, 28mm, 30mm, 35mm, 38mm, 40mm, 45mm, 48mm or 50mm) at set
It sets.
Preferably, the laser zone absorption LLO is distributed with spot distribution or strip.
Preferably, the laser zone absorption LLO is symmetrically distributed on substrate.
Preferably, when the laser zone absorption LLO is with spot distribution, 100 μm of dotted region area2~1cm2, such as
100μm2、200μm2、500μm2、800μm2、1mm2、3mm2、5mm2、8mm2、10mm2、30mm2、50mm2、80mm2、100mm2、
300mm2、500mm2、800mm2Or 1cm2。
Preferably, when the laser zone absorption LLO is distributed with strip, the 10 μm~1cm of width of strip, such as 10 μm,
30μm、50μm、80μm、100μm、300μm、500μm、800μm、1mm、5mm、10mm、30mm、50mm、80mm、100mm、
120mm, 150mm, 200mm, 250mm, 300mm, 500mm, 800mm or 1cm.
In the present invention, it when the laser zone absorption LLO is distributed with strip, can be distributed for continuous strip,
It can be distributed for discontinuous strip.
Preferably, it is described absorb the laser zone LLO material be organic gel class material, semiconductor film material, metal material or
In carbon material any one or at least two combination.
Preferably, the laser zone absorption LLO is photosensitive glue-line, TiO2Film, ZnO gel mould, titanium film layer, aluminum membranous layer, chromium
Film layer, graphite linings or silica aerogel layer, preferably photosensitive glue-line.
Preferably, the viewing area includes pixel circuit and pixel region；
It preferably, include at least two displays being located on flexible polymer skin on a Flexible Displays motherboard
Area.
In the present invention, the shape of viewing area is not particularly limited, the shape of the viewing area can be square
Shape, square, circle or other shapes.
Preferably, the substrate is glass substrate.
Preferably, the flexible polymer skin is polyimides (PI) layer, polyethylene terephthalate layer, poly- naphthalene two
Two ester layer of formic acid second, Polycarbonate Layer, polyethersulfon layer, polyacrylic acid ester layer, polyetherimide amine layer, aramid layer or polyether-ether-ketone
Layer.
On the other hand, the utility model provides a kind of flexibility AMOLED display panel, the flexibility AMOLED display panel
Display panel after separating removal substrate for Flexible Displays motherboard as described above.
In the present invention, the method that the Flexible Displays motherboard carries out substrate separation are as follows: using LLO laser to described
The substrate back of Flexible Displays motherboard is irradiated, and realizes that flexible polymer skin is uniform carburized, and then realize flexible polymer skin
With the separation of substrate.
In the present invention, the laser zone LLO is absorbed due to existing on Flexible Displays motherboard, it, can be in separation
The appropriate laser energy for increasing LLO avoids flexible polymer skin carbonization uneven, and can be to avoid there are impurity or dirty and hinder
Keep off UV light penetrate so as to cause the insufficient problem of separation, there is controllability in entire separation process.
Preferably, the LLO optical maser wavelength is in ultra-violet (UV) band.
Preferably, LLO optical maser wavelength is 308nm.
In the present invention, setting absorbs the laser zone LLO on the Flexible Displays motherboard, can fully ensure that flexible poly-
The uniform carburized of nitride layer is closed, guarantees being sufficiently separated for flexible polymer skin and substrate, avoids to flexible AMOLED display panel
Damage, ensure that the performance of AMOLED display panel is not affected and destroys.
On the other hand, the utility model provides a kind of flexible display device, and the flexible display device includes as described above
Flexible AMOLED display panel.
Compared with the existing technology, the utility model has the following beneficial effects:
The utility model, which is arranged by the substrate on Flexible Displays motherboard away from the fringe region of the one side of viewing area, to be inhaled
The laser zone LLO is received, so that the Flexible Displays motherboard can suitably increase the laser energy of LLO when separating by LLO laser irradiation
Amount guarantees the carbonization of flexible polymer skin uniformly and is sufficiently separated, has controllability, avoids viewing area impaired, guarantees by it
It is not damaged by the isolated flexible AMOLED display panel of laser irradiation, guarantees that its is with good performance, application prospect
It is wide.
Detailed description of the invention
Fig. 1 is the front view of Flexible Displays motherboard in embodiment 1, wherein 1 is glass substrate, 2 be PI film layer, and 3 be display
Area, 4 be the absorption laser zone LLO.
Fig. 2 is the top view of Flexible Displays motherboard in embodiment 1, wherein 1 is glass substrate, 3' is viewing area in glass base
Virtual projection on plate, 4 be the absorption laser zone LLO.
Fig. 3 is the top view of Flexible Displays motherboard in embodiment 4, wherein 1 is glass substrate, 3' is viewing area in glass base
Virtual projection on plate, 4 be the absorption laser zone LLO.
Fig. 4 is the top view of Flexible Displays motherboard in embodiment 5, wherein 1 is glass substrate, 3' is viewing area in glass base
Virtual projection on plate, 4 be the absorption laser zone LLO.
Fig. 5 is the top view of Flexible Displays motherboard in embodiment 6, wherein 1 is glass substrate, 3' is viewing area in glass base
Virtual projection on plate, 4 be the absorption laser zone LLO.
Fig. 6 is the top view of Flexible Displays motherboard in embodiment 7, wherein 1 is glass substrate, 3' is that viewing area exists in Fig. 1
The virtual projection on substrate is removed, 4 be the absorption laser zone LLO.
Fig. 7 is the schematic diagram being irradiated using laser separation technique to Flexible Displays motherboard in embodiment 9, wherein 1 glass
Glass substrate, 2 be PI film layer, and 3 be viewing area, and 4 be the absorption laser zone LLO.
Specific embodiment
The technical solution of the utility model is further illustrated below by specific embodiment.Those skilled in the art answer
This is illustrated, and the embodiment, which is only to aid in, understands the utility model, is not construed as the concrete restriction to the utility model.
Embodiment 1
In the present embodiment, a kind of Flexible Displays motherboard is provided, as shown in Figure 1, the Flexible Displays motherboard includes display
Area (3) and non-display area, the non-display area include glass substrate (1) and the flexible polymer skin on glass substrate
(2), the viewing area is located on flexible polymer skin, and has multiple viewing areas (each aobvious on flexible polymer skin
Show that area is indicated with AA), the fringe region setting of the one side on the substrate away from viewing area absorbs the laser zone LLO (4), wherein
The material for absorbing the laser zone LLO is UV glue, and flexible polymer skin is polyimide film (PI film), and viewing area shape is rectangle.
Fig. 2 shows on glass substrate that the laser zone LLO is with spot distribution in top view, and dotted region is in glass
It is symmetric on substrate close to the position at four angles, the laser zone absorptions LLO is apart from substrate edges 10mm, in dotted point
Cloth, 100 μm of each dotted region area2, and in the figure in order to show the laser zone LLO and viewing area relative position close
System, wherein indicating the virtual projection of viewing area on the glass substrate with 3', does not show flexible polymer skin in the figure.
Embodiment 2
In the present embodiment, a kind of Flexible Displays motherboard is provided, as shown in Figure 1, the Flexible Displays motherboard includes display
Area (3) and non-display area, the non-display area include glass substrate (1) and the flexible polymer skin on glass substrate
(2), the viewing area is located on flexible polymer skin, and has multiple viewing areas (each aobvious on flexible polymer skin
Show that area is indicated with AA), the fringe region setting of the one side on the substrate away from viewing area absorbs the laser zone LLO (4), wherein
The material for absorbing the laser zone LLO is graphite powder, and flexible polymer skin is polyimide film (PI film), and viewing area shape is square
Shape.
The laser zone LLO is on glass substrate with spot distribution, position of the dotted region on the glass substrate close to four angles
Symmetrical, the laser zone absorption LLO apart from substrate edges 30mm, is being in spot distribution, each 800 μ of dotted region area
m2。
Embodiment 3
In the present embodiment, a kind of Flexible Displays motherboard is provided, as shown in Figure 1, the Flexible Displays motherboard includes display
Area (3) and non-display area, the non-display area include glass substrate (1) and the flexible polymer skin on glass substrate
(2), the viewing area is located on flexible polymer skin, and has multiple viewing areas (each aobvious on flexible polymer skin
Show that area is indicated with AA), the fringe region setting of the one side on the substrate away from viewing area absorbs the laser zone LLO (4), wherein
The material for absorbing the laser zone LLO is TiO2Film, flexible polymer skin are polyethylene terephthalate layer, and viewing area shape is
Square.
The laser zone LLO is on glass substrate with spot distribution, position of the dotted region on the glass substrate close to four angles
Symmetrical, the laser zone absorption LLO apart from substrate edges 5mm, is being in spot distribution, each dotted region area 1cm2。
Embodiment 4
In the present embodiment, a kind of Flexible Displays motherboard is provided, the Flexible Displays motherboard includes viewing area and non-display
Area, the non-display area include glass substrate (1) and the flexible polymer skin on glass substrate, and the viewing area is located at
On flexible polymer skin, and there is multiple viewing areas (each viewing area is indicated with AA) on flexible polymer skin, it is described
The fringe region setting of one side on substrate away from viewing area absorbs the laser zone LLO (4), wherein absorbs the material of the laser zone LLO
For UV glue, flexible polymer skin is polyimide film (PI film), and viewing area shape is rectangle.
Fig. 3 is shown the laser zone LLO on glass substrate in top view and is distributed with strip, and strip region is in glass
It is symmetric on substrate, each strip region and glass substrate edge distance 30mm, 10 μm of the width of strip, and in the figure
In in order to show the relative positional relationship of the laser zone LLO and viewing area, wherein indicating the void of viewing area on the glass substrate with 3'
Quasi- projection, does not show flexible polymer skin in the figure.
Embodiment 5
In the present embodiment, a kind of Flexible Displays motherboard is provided, the Flexible Displays motherboard includes viewing area and non-display
Area, the non-display area include glass substrate (1) and the flexible polymer skin on glass substrate, and the viewing area is located at
On flexible polymer skin, and there is multiple viewing areas (each viewing area is indicated with AA) on flexible polymer skin, it is described
The fringe region setting of one side on substrate away from viewing area absorbs the laser zone LLO (4), wherein absorbs the material of the laser zone LLO
For UV glue, flexible polymer skin is polyimide film (PI film), and viewing area shape is rectangle.
Fig. 4 is shown the laser zone LLO on glass substrate in top view and is distributed with strip, and strip region is in glass
It is symmetric on substrate, strip region and glass substrate edge distance 50mm, 80 μm of the width of strip, and is in the figure
Show the relative positional relationship of the laser zone LLO and viewing area, wherein indicate the virtual throwing of viewing area on the glass substrate with 3'
Shadow does not show flexible polymer skin in the figure.
Embodiment 6
In the present embodiment, a kind of Flexible Displays motherboard is provided, the Flexible Displays motherboard includes viewing area and non-display
Area, the non-display area include glass substrate (1) and the flexible polymer skin on glass substrate, and the viewing area is located at
On flexible polymer skin, and there is multiple viewing areas (each viewing area is indicated with AA) on flexible polymer skin, it is described
The fringe region setting of one side on substrate away from viewing area absorbs the laser zone LLO (4), wherein absorbs the material of the laser zone LLO
For UV glue, flexible polymer skin is polyimide film (PI film), and viewing area shape is rectangle.
Fig. 5 is shown the laser zone LLO on glass substrate in top view and is distributed with strip, and strip region is in glass
Be symmetric on substrate, strip region and glass substrate edge distance 5mm, the width 5mm of strip, and in the figure in order to
Show the relative positional relationship of the laser zone LLO and viewing area, wherein the virtual projection of viewing area on the glass substrate is indicated with 3',
Flexible polymer skin is not shown in the figure.
Embodiment 7
In the present embodiment, a kind of Flexible Displays motherboard is provided, the Flexible Displays motherboard includes viewing area and non-display
Area, the non-display area include glass substrate (1) and the flexible polymer skin on glass substrate, and the viewing area is located at
On flexible polymer skin, and there is multiple viewing areas (each viewing area is indicated with AA) on flexible polymer skin, it is described
The fringe region setting of one side on substrate away from viewing area absorbs the laser zone LLO (4), wherein absorbs the material of the laser zone LLO
For UV glue, flexible polymer skin is polyimide film (PI film), and viewing area shape is rectangle.
Fig. 6 is shown the laser zone LLO on glass substrate in top view and is distributed with strip, and strip region is in glass
It is symmetric on substrate, and is discontinuously arranged, each strip region and glass substrate edge distance 10mm, the width of strip
1cm, and in the figure in order to show the relative positional relationship of the laser zone LLO and viewing area, wherein indicating that viewing area exists with 3'
Virtual projection on glass substrate, does not show flexible polymer skin in the figure.
Embodiment 8
In the present embodiment, a kind of Flexible Displays motherboard is provided, the Flexible Displays motherboard includes viewing area and non-display
Area, the non-display area include glass substrate and the flexible polymer skin on glass substrate, and the viewing area is located at soft
Property polymeric layer on, and on flexible polymer skin have multiple viewing areas (each viewing area is indicated with AA), the base
The fringe region setting of one side on plate away from viewing area absorbs the laser zone LLO, wherein the material for absorbing the laser zone LLO is UV
Glue, flexible polymer skin are polyetherimide amine layer, and viewing area shape is rectangle.
The laser zone LLO is distributed on glass substrate with strip, and strip region is symmetric on the glass substrate, strip region
With glass substrate edge distance 20mm, the width 8mm of strip.
Embodiment 9
It is irradiated using Flexible Displays motherboard of the laser separation technique to embodiment 1 to separate glass substrate, wherein
The wavelength of LLO laser used is 308nm, laser energy 200mJ/cm2, carried out from the Flexible Displays motherboard back side of embodiment 1
It irradiates (i.e. from glass substrate back side illuminaton), as shown in fig. 7, thereby may be ensured that the carbonization of flexible polymer skin is uniform, guarantees
Flexible polymer skin is sufficiently separated with glass substrate, is obtained flexible AMOLED display panel, be can be used for preparing flexible display device.
Embodiment 10
The Flexible Displays motherboard of embodiment 1-8 is irradiated with by glass respectively in the way of same as Example 9
Substrate separation, wherein the wavelength of LLO laser used is 308nm, laser energy 200mJ/cm2, aobvious from the flexibility of embodiment 1-8
Show that motherboard back side is irradiated (i.e. from glass substrate back side illuminaton), can equally guarantee that the carbonization of flexible polymer skin is uniform,
Guarantee that flexible polymer skin is sufficiently separated with glass substrate, obtains flexible AMOLED display panel, can be used for preparing Flexible Displays
Device.
The Applicant declares that the utility model illustrates the Flexible Displays motherboard, soft of the utility model through the foregoing embodiment
Property AMOLED display panel and flexible display device, but the utility model is not limited to above-described embodiment, that is, does not mean that this
Utility model, which must rely on above-described embodiment, to be implemented.It should be clear to those skilled in the art, practical new to this
Any improvement of type, the addition of equivalence replacement and auxiliary element to raw material selected by the utility model, the selection of concrete mode
Deng all falling within the protection scope of the utility model and the open scope.
Claims (15)
1. a kind of Flexible Displays motherboard, which is characterized in that the Flexible Displays motherboard includes viewing area and non-display area, described non-
Viewing area includes substrate and the flexible polymer skin on substrate, and the viewing area is located on flexible polymer skin, institute
The fringe region setting for stating the one side on substrate away from viewing area absorbs the laser zone LLO.
2. Flexible Displays motherboard according to claim 1, which is characterized in that the laser zone absorption LLO is apart from substrate
5~50mm of edge.
3. Flexible Displays motherboard according to claim 1, which is characterized in that the laser zone absorption LLO is with spot distribution
Or strip distribution.
4. Flexible Displays motherboard according to claim 1, which is characterized in that the laser zone absorption LLO on substrate at
It is symmetrical.
5. Flexible Displays motherboard according to claim 3, which is characterized in that when the laser zone absorption LLO is with dotted point
When cloth, 100 μm of each dotted region area2~1cm2。
6. Flexible Displays motherboard according to claim 3, which is characterized in that when the laser zone absorption LLO is with strip point
When cloth, the 10 μm~1cm of width of strip.
7. Flexible Displays motherboard according to claim 1, which is characterized in that the laser zone absorption LLO be photosensitive glue-line,
TiO2Film, ZnO gel mould, titanium film layer, aluminum membranous layer, chromium film layer, graphite linings or silica aerogel layer.
8. Flexible Displays motherboard according to claim 1, which is characterized in that the laser zone absorption LLO is photosensitive glue-line.
9. Flexible Displays motherboard according to claim 1, which is characterized in that the viewing area includes pixel circuit and picture
Plain region.
10. Flexible Displays motherboard according to claim 1, which is characterized in that include on a Flexible Displays motherboard
At least two viewing areas on flexible polymer skin.
11. Flexible Displays motherboard according to claim 1, which is characterized in that the shape of the viewing area is rectangle, pros
Shape or circle.
12. Flexible Displays motherboard according to claim 1, which is characterized in that the substrate is glass substrate.
13. Flexible Displays motherboard according to claim 1, which is characterized in that the flexible polymer skin is polyimides
Layer, polyethylene terephthalate layer, polyethylene naphthalate layer, Polycarbonate Layer, polyethersulfon layer, polyacrylate
Layer, polyetherimide amine layer, aramid layer or polyether-ether-ketone layer.
14. a kind of flexibility AMOLED display panel, which is characterized in that the flexibility AMOLED display panel is such as claim 1-
Flexible Displays motherboard described in any one of 13 removes the display panel after substrate.
15. a kind of flexible display device, which is characterized in that the flexible display device includes as claimed in claim 14 flexible
AMOLED display panel.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821414207.3U CN208938971U (en) | 2018-08-30 | 2018-08-30 | A kind of Flexible Displays motherboard, flexibility AMOLED display panel and flexible display device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821414207.3U CN208938971U (en) | 2018-08-30 | 2018-08-30 | A kind of Flexible Displays motherboard, flexibility AMOLED display panel and flexible display device |
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| CN208938971U true CN208938971U (en) | 2019-06-04 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110875356A (en) * | 2018-08-30 | 2020-03-10 | 上海和辉光电有限公司 | Flexible display mother board, flexible AMOLED display panel and flexible display device |
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- 2018-08-30 CN CN201821414207.3U patent/CN208938971U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110875356A (en) * | 2018-08-30 | 2020-03-10 | 上海和辉光电有限公司 | Flexible display mother board, flexible AMOLED display panel and flexible display device |
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Address after: 201506 No. nine, No. 1568 engineering road, Shanghai, Jinshan District Patentee after: Shanghai Hehui optoelectronic Co., Ltd Address before: 201506 No. nine, No. 1568 engineering road, Shanghai, Jinshan District Patentee before: EverDisplay Optronics (Shanghai) Ltd. |