CN105118398B - A kind of flexible display apparatus and its manufacture method - Google Patents
A kind of flexible display apparatus and its manufacture method Download PDFInfo
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- CN105118398B CN105118398B CN201510626429.6A CN201510626429A CN105118398B CN 105118398 B CN105118398 B CN 105118398B CN 201510626429 A CN201510626429 A CN 201510626429A CN 105118398 B CN105118398 B CN 105118398B
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Abstract
The invention provides a kind of flexible display apparatus and its manufacture method, the device includes：Flexible display panels；Layer of polarizer, it is formed in flexible display panels；Touch layer, it is formed in layer of polarizer；Optical compensating layer, it is formed on touch layer, the ranges of indices of refraction of optical compensating layer is 0.5 to 3；Supporting layer, it is formed on optical compensating layer；And anti-reflecting layer, it is formed on supporting layer, the ranges of indices of refraction of anti-reflecting layer is 0.5 to 3.5.Manufacture method includes：Flexible display apparatus is provided；In forming layer of polarizer in flexible display panels；In forming touch layer in layer of polarizer；Wet coating or sputter optical compensating layer are on touch layer；Laser transfer supporting layer is on optical compensating layer；And laser transfer anti-reflecting layer is on supporting layer.The flexible display apparatus of the present invention and its manufacture method are constant or in the case of reducing in screen luminous intensity, while improve the contrast and hardness of flexible display apparatus, reduce the power consumption of flexible display screen.
Description
Technical field
The present invention relates to display technology field, more particularly to a kind of flexible display apparatus and its manufacture method.
Background technology
AMOLED display screens have it is frivolous, actively luminous, high-resolution, high brightness, high-contrast, response quickly, energy consumption it is low,
The advantages that use temperature range is wide, shock resistance is strong, soft display can be achieved.
AMOLED is active luminous, i.e., is not that pixels all on screen are all lighting under any background, although
Electricity is largely saved, but support of the AMOLED screen due to losing backlight, the brightness of screen can only pass through
Self luminous pixel provides, and in an outdoor environment the performance of AMOLED screen is general.
As shown in figure 1, it is a kind of traditional flexible display apparatus, including at least the insulating barrier 1 ' stacked gradually from bottom to top
(such as polyimide resin, polyimide, abbreviation PI), tft layer 2 ' (Thin Film Transistor, referred to as
TFT), Organic Light Emitting Diode layer 3 ' (Organic Light-Emitting Diode, abbreviation OLED), thin-film encapsulation layer 4 '
(such as tetrafluoroethene, Polytetrafluoroethylene, abbreviation PTFE), layer of polarizer 5 ' (polarizer, abbreviation POL)
And touch layer 6 ' (touch panel, abbreviation TP).
Wherein, the brightness (reflecting brightness) of the contrast of screen=brightness (luminosity) when luminous/when not lighting.It is soft
Property AMOLED display screens can clearly show that do not influenceed by ambient light, screen should have enough contrasts.When not luminous
Brightness it is directly proportional to screen reflection coefficient.From above formula, to lift the visibility of flexible AMOLED display screens in the sun,
Its solution method mainly has two kinds：First, improving the luminosity of AMOLED display screens, another kind is the reflection system for reducing screen
Number, i.e. reflecting brightness.
The power consumption of display screen can be increased, it is necessary to change OLED structure and material by improving the luminosity of AMOLED display screens
Material is, it is necessary to carry out change and fund inside more OLED.
Reduce screen surface reflectance factor, screen luminous intensity it is constant or reduce in the case of, you can guarantee have compared with
High contrast.
It is, in general, that the contrast of screen should be 10 or so, human eye just has a pleasant sensation.
In view of this, it is desirable to provide a kind of high-contrast, the flexible display apparatus of high rigidity.
The content of the invention
For in the prior art the defects of, it is an object of the invention to provide a kind of flexible display apparatus and its manufacturer
Method, overcome the difficulty of prior art, screen luminous intensity it is constant or reduce in the case of, guarantee have higher contrast, carry
While rising contrast, the hardness of flexible display screen is lifted, reduces the power consumption of flexible display screen.
According to an aspect of the present invention, there is provided a kind of flexible display apparatus, including：
One flexible display panels；
One layer of polarizer, it is formed in the flexible display panels；
One touch layer, it is formed in the layer of polarizer；
One optical compensating layer, it is formed on the touch layer, the ranges of indices of refraction of the optical compensating layer is 0.5 to 3；
One supporting layer, it is formed on the optical compensating layer；And
One anti-reflecting layer, it is formed on the supporting layer, the ranges of indices of refraction of the anti-reflecting layer is 0.5 to 3.5.
Preferably, the optical compensating layer is organic film.
Preferably, the inoranic membrane that the optical compensating layer is made up of metal oxide.
Preferably, the thickness of the optical compensating layer is 100nm to 300nm.
Preferably, the hardness range of the supporting layer is 2H to 15H.
Preferably, the supporting layer is organic film.
Preferably, the thickness of the supporting layer is 20um to 80um.
Preferably, the inorganic substances compound membrane that the anti-reflecting layer is made up of metal oxide.
Preferably, the inorganic substances compound membrane that the anti-reflecting layer is made up of Si oxide.
Preferably, the thickness of the anti-reflecting layer is 100nm to 300nm.
Preferably, it is the flexible display panels include stacking gradually from bottom to top insulating barrier, tft layer, organic
LED layers and thin-film encapsulation layer.
According to another aspect of the present invention, a kind of manufacture method of above-mentioned flexible display apparatus is also provided, including with
Lower step：
One flexible display panels are provided；
In forming a layer of polarizer in the flexible display panels；
In forming a touch layer in the layer of polarizer；
Wet coating or the optical compensating layer of sputter one are on the touch layer, the ranges of indices of refraction of the optical compensating layer
For 0.5 to 3；
The supporting layer of laser transfer one is on the optical compensating layer；And
For the anti-reflecting layer of laser transfer one on the supporting layer, the ranges of indices of refraction of the anti-reflecting layer is 0.5 to 3.5.
In view of this, flexible display apparatus of the invention and its manufacture method are in the feelings that screen luminous intensity is constant or reduces
Under condition, while the contrast and hardness of flexible display apparatus are improved, reduce the power consumption of flexible display screen.Pair of the screen of the present invention
Can be 10 or so than degree, luminous reflectivity is less than or equal to 1.5%.
Brief description of the drawings
The detailed description made by reading with reference to the following drawings to non-limiting example, further feature of the invention,
Objects and advantages will become more apparent upon：
Fig. 1 is the sectional view of the display device of prior art；
Fig. 2 is the sectional view of the flexible display apparatus of the present invention；And
Fig. 3 is the flow chart of the manufacture method of the flexible display apparatus of the present invention.
Reference
1 ' insulating barrier
2 ' tft layers
3 ' Organic Light Emitting Diode layers
4 ' thin-film encapsulation layers
5 ' layer of polarizer
6 ' touch layers
1 insulating barrier
2 tft layers
3 Organic Light Emitting Diode layers
4 thin-film encapsulation layers
5 layer of polarizer
6 touch layers
7 optical compensating layers
8 supporting layers
9 anti-reflecting layers
Embodiment
Example embodiment is described more fully with referring now to accompanying drawing.However, example embodiment can be with a variety of shapes
Formula is implemented, and is not understood as limited to embodiment set forth herein；On the contrary, these embodiments are provided so that the present invention will
Fully and completely, and by the design of example embodiment comprehensively it is communicated to those skilled in the art.Identical is attached in figure
Icon note represents same or similar structure, thus will omit repetition thereof.
Described feature, structure or characteristic can be incorporated in one or more embodiments in any suitable manner
In.In the following description, there is provided many details fully understand so as to provide to embodiments of the present invention.However,
One of ordinary skill in the art would recognize that without one or more in specific detail, or using other methods, constituent element, material
Material etc., can also put into practice technical scheme.In some cases, be not shown in detail or describe known features, material or
Person's operation is fuzzy of the invention to avoid.
As shown in Fig. 2 the first embodiment of the present invention provides a kind of flexible display apparatus, including：One Flexible Displays face
Plate, a layer of polarizer 5 (polarizer, abbreviation POL), a touch layer 6 (touch panel, abbreviation TP), an optical compensating layer
7th, a supporting layer 8 and an anti-reflecting layer 9.Wherein, flexible display panels can include the insulating barrier 1 stacked gradually from bottom to top
(such as polyimide resin, polyimide, abbreviation PI), the tft layer 2, (Organic of Organic Light Emitting Diode layer 3
Light-Emitting Diode, abbreviation OLED) and thin-film encapsulation layer 4 (such as tetrafluoroethene,
Polytetrafluoroethylene, abbreviation PTFE), but be not limited, the flexible display panels in the present invention can also be
The flexible display panels of other structures.The goal of the invention of the present invention is mainly inclined by increasing by one successively in flexible display panels
Mating plate layer 5, a touch layer 6, an optical compensating layer 7, a supporting layer 8 and an anti-reflecting layer 9 are realized.
Optical compensating layer 7 is formed at by way of sputter on the touch layer 6 of flexible display apparatus, but is not limited.
The main function of optical compensating layer 7 is regulation optical characteristics and lifting tack.The ranges of indices of refraction of optical compensating layer 7 be 0.5 to
3, but be not limited.Optical compensating layer 7 is organic film, or the inoranic membrane being made up of metal oxide.Optical compensating layer 7
Material can be tellurium oxide (TeOx) and/or molybdenum oxide (MoOx) etc., but be not limited.The thickness of optical compensating layer 7
It is 100nm to 300nm to spend, but is not limited.
Supporting layer 8 can be formed by the way of wet coating, and be transferred on optical compensating layer 7, but not as
Limit.The main function of supporting layer 8 is lifting hardness, protects the flexible structure under it.The hardness range of supporting layer 8 is 2H to 15H.Branch
It is organic film to support layer 8.The thickness of supporting layer 8 be 20um to 80um, but be not limited.
Anti-reflecting layer 9 can be formed by the way of wet coating or sputtering, and be transferred on supporting layer 8, mainly
It act as reducing the reflectance factor of display screen, the ranges of indices of refraction of anti-reflecting layer 9 is 0.5 to 3.5.Anti-reflecting layer 9 is by metal
Oxide (such as：TiOx etc.) composition inorganic substances compound membrane, or the inorganic substances compound membrane being made up of Si oxide, and not with this
It is limited.The thickness of anti-reflecting layer 9 be 100nm to 300nm, but be not limited.
The flexible display apparatus of the present invention mainly by set up the regulation optical compensating layer 7 of optical characteristics, supporting layer 8 and
The combination of the anti-reflecting layer 9 of the reflectance factor of display screen is reduced, is not changing OLED structural material and is not increasing display
On the premise of the power consumption of screen, the reflectance factor of screen surface is reduced, lifts the luminosity of AMOLED display screens, so as to structure
Simply, the cheap mode of cost ensures there is higher contrast.
As shown in figure 3, the present invention also provides a kind of manufacture method of flexible display apparatus, for manufacturing above-mentioned Flexible Displays
Device, it may comprise steps of：
In the present embodiment, supporting layer and anti-reflecting layer are all can be obtained in advance.Supporting layer can be beforehand through vacuum
The modes such as evaporation, spin coating or silk screen coating are deposited on separated type material, and ensure that the two sides of supporting layer is all bonded separated type material (the
One separated type material and the second separated type material) seal up for safekeeping, it is then transferred on optical compensating layer, but be not limited.(supporting layer
Can be on optical compensating layer directly make) anti-reflecting layer can also beforehand through vacuum evaporation, spin coating or silk screen apply etc.
Mode is deposited on separated type material, and ensure anti-reflecting layer two sides be all bonded separated type material (the first separated type material and second from
Section bar material) seal up for safekeeping, it is then transferred on supporting layer, but be not limited.(anti-reflecting layer can also be direct on supporting layer
Make)
First, there is provided a flexible display panels.Wherein, flexible display panels can be exhausted including stacking gradually from bottom to top
Edge layer 1 (such as polyimide resin, polyimide, abbreviation PI), tft layer 2, Organic Light Emitting Diode layer 3
(Organic Light-Emitting Diode, abbreviation OLED) and thin-film encapsulation layer 4 (such as tetrafluoroethene,
Polytetrafluoroethylene, abbreviation PTFE), but be not limited.
Secondly, layer of polarizer 5 is formed in flexible display panels.Layer of polarizer 5 can deflect flexible display panels and send
Light.
Secondly, touch layer 6 is formed in layer of polarizer 5.Touch layer 6 can identify the touching signals of user's finger.
Secondly, by wet coating or the optical compensating layer 7 of sputter one on touch layer 6, the refractive index of optical compensating layer 7
Scope is 0.5 to 3.Optical compensating layer 7 is organic film.The inoranic membrane that optical compensating layer 7 is made up of metal oxide.
Secondly, the supporting layer 8 of laser transfer one is on optical compensating layer 7.The hardness range of supporting layer 8 is 2H to 15H.Support
Layer 8 is organic film.Optical transparent adhesive (OCA, Optically Clear Adhesive) first can be attached at optical compensating layer 7
Upper surface, then peel off first separated type material in supporting layer 8 first face, supporting layer 8 be covered on optical compensating layer 7 and is used in combination
Laser beam is irradiated to second separated type material in the face of supporting layer 8 second so that is irradiated with a laser part on the second separated type material
Supporting layer 8 be just transferred to optical compensating layer 7, after the completion of transfer, finally by the second separated type material peel off, so optics mend
Repay and complete supporting layer 8 has just been obtained on layer 7.Wherein, Optical transparent adhesive (OCA, Optically Clear Adhesive) is
It is generally used for the extraordinary adhesive of cementing transparent optical element (such as camera lens).Require water white transparency, light transmission rate exists
More than 90%, cementing strength is good, can solidify under room temperature or medium temperature, and have the features such as cure shrinkage is small.
Secondly, for the anti-reflecting layer 9 of laser transfer one on supporting layer 8, the ranges of indices of refraction of anti-reflecting layer is 0.5 to 3.5.It is anti-
The inorganic substances compound membrane that the inorganic substances compound membrane or anti-reflecting layer 9 that reflecting layer 9 is made up of metal oxide are made up of Si oxide.
Continue to transfer anti-reflecting layer using laser transfer mode.First by Optical transparent adhesive (OCA, Optically Clear Adhesive)
Sticker invests the upper surface of supporting layer 8, then peels off first separated type material in the face of anti-reflecting layer 9 first, anti-reflecting layer 9 is covered
It is irradiated on supporting layer 8 and with second separated type material in the face of laser beam antagonistic reflex layer 9 second so that the second separated type material
On be irradiated with a laser the anti-reflecting layer 9 of part and be just transferred to supporting layer 8, after the completion of transfer, finally the second separated type material is shelled
From, complete anti-reflecting layer 9 has so just been obtained on supporting layer 8, with this obtain the present invention flexible display apparatus.
In summary, flexible display apparatus of the invention and its manufacture method are in the feelings that screen luminous intensity is constant or reduces
Under condition, while the contrast and hardness of flexible display apparatus are improved, reduce the power consumption of flexible display screen.Pair of the screen of the present invention
Can be 10 or so than degree, luminous reflectivity is less than or equal to 1.5%.
The specific embodiment of the present invention is described above.It is to be appreciated that the invention is not limited in above-mentioned
Particular implementation, those skilled in the art can make various deformations or amendments within the scope of the claims, this not shadow
Ring the substantive content of the present invention.
Claims (9)
- A kind of 1. flexible display apparatus, it is characterised in that including：One flexible display panels；One layer of polarizer, it is formed in the flexible display panels；One touch layer, it is formed in the layer of polarizer；One optical compensating layer, it is formed on the touch layer, the ranges of indices of refraction of the optical compensating layer is 0.5 to 3, the light The thickness for learning compensation layer is 100nm to 300nm；One supporting layer, it is formed on the optical compensating layer, the thickness of the supporting layer is 20um to 80um；AndOne anti-reflecting layer, it is formed on the supporting layer, the ranges of indices of refraction of the anti-reflecting layer is 0.5 to 3.5, the anti-reflective The thickness for penetrating layer is 100nm to 300nm.
- 2. flexible display apparatus as claimed in claim 1, it is characterised in that the optical compensating layer is organic film.
- 3. flexible display apparatus as claimed in claim 1, it is characterised in that the optical compensating layer is by metal oxide group Into inoranic membrane.
- 4. flexible display apparatus as claimed in claim 1, it is characterised in that the hardness range of the supporting layer is 2H to 15H.
- 5. flexible display apparatus as claimed in claim 4, it is characterised in that the supporting layer is organic film.
- 6. flexible display apparatus as claimed in claim 1, it is characterised in that the anti-reflecting layer is made up of metal oxide Inorganic substances compound membrane.
- 7. flexible display apparatus as claimed in claim 1, it is characterised in that the anti-reflecting layer is made up of Si oxide Inorganic substances compound membrane.
- 8. flexible display apparatus as claimed in claim 1, it is characterised in that the flexible display panels include from bottom to top according to Insulating barrier, tft layer, Organic Light Emitting Diode layer and the thin-film encapsulation layer of secondary stacking.
- A kind of 9. manufacture method of flexible display apparatus as claimed in any of claims 1 to 8 in one of claims, it is characterised in that bag Include following steps：One flexible display panels are provided；In forming a layer of polarizer in the flexible display panels；In forming a touch layer in the layer of polarizer；In on the touch layer, the ranges of indices of refraction of the optical compensating layer is for wet coating or the optical compensating layer of sputter one 0.5 to 3, the thickness of the optical compensating layer is 100nm to 300nm；For the supporting layer of laser transfer one on the optical compensating layer, the thickness of the supporting layer is 20um to 80um；AndFor the anti-reflecting layer of laser transfer one on the supporting layer, the ranges of indices of refraction of the anti-reflecting layer is 0.5 to 3.5, described The thickness of anti-reflecting layer is 100nm to 300nm.
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Families Citing this family (9)
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| KR102538093B1 (en) * | 2016-06-28 | 2023-05-30 | 삼성디스플레이 주식회사 | Display device |
| CN108269824B (en) * | 2016-12-30 | 2021-02-19 | 上海和辉光电股份有限公司 | Flexible display panel, manufacturing method thereof and flexible display device |
| CN106887412B (en) * | 2017-03-27 | 2020-08-21 | 京东方科技集团股份有限公司 | Flexible display panel and display device |
| CN108807463A (en) * | 2017-05-04 | 2018-11-13 | 上海和辉光电有限公司 | Antireflection component and its manufacturing method, flexible display device |
| CN108334825A (en) * | 2018-01-22 | 2018-07-27 | 上海天马微电子有限公司 | Display panel and display device |
| CN108735102B (en) * | 2018-05-26 | 2021-07-02 | 矽照光电（厦门）有限公司 | Flexible display screen and production method thereof |
| CN108615740B (en) * | 2018-05-26 | 2020-11-10 | 矽照光电（厦门）有限公司 | Flexible active color semiconductor light-emitting display module and flexible display screen |
| CN109446941A (en) | 2018-10-15 | 2019-03-08 | 武汉华星光电半导体显示技术有限公司 | Display device and preparation method thereof |
| CN112116875A (en) * | 2020-10-13 | 2020-12-22 | 武汉华星光电半导体显示技术有限公司 | Foldable display module |
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Address after: 201500, building two, building 100, 1, Jinshan Industrial Road, 208, Shanghai, Jinshan District Patentee after: Shanghai Hehui optoelectronic Co., Ltd Address before: 201500, building two, building 100, 1, Jinshan Industrial Road, 208, Shanghai, Jinshan District Patentee before: EverDisplay Optronics (Shanghai) Ltd. |
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Address after: 201506, No. nine, No. 1568, Jinshan Industrial Zone, Shanghai, Jinshan District Patentee after: Shanghai Hehui optoelectronic Co., Ltd Address before: 201500, building two, building 100, 1, Jinshan Industrial Road, 208, Shanghai, Jinshan District Patentee before: Shanghai Hehui optoelectronic Co., Ltd |