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Flexible display
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Roles
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Introduction
- Selected topics reason
Main arguments
- conditions of substrates
- Kinds of substrates
- PI structure
- PI Advantages / disadvantages
- PI disadvantages Resolution
- PI Construction
- PEN Advantages / disadvantages
- Comparison of PEN
Conclusion
- Prospect
Table of Contents
_SLIDE_4_
Introduction
Place, time is not no restriction on the thin,Lightweight and flexible as paper, Flexible Display
Transparent, while polymers with high glass transition temperature of the substrate that are eligible include Polyimide.
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Avoid high gas permeation properties
Excellent chemical resistance
Temperature stability
Low optical anisotropy
Low thermal expansion coefficient
Excellent surface flatness
Humidity on the stabi…(생략)
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of the
4g Display PI is approximately 7 to 80,000 won
Film si in creating a series of curing mineral
additives or using networking monomer can
reduce the rate of expansion.
PI disadvantage Resolution
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PI Construction
Performance Indicators
Demanding
Current skill levels
Development Goals
Domestic
oversea
2012
2014
Thermal expansion coefficient
(ppm/℃)
`20
` 50
15
`20
` 15
Transmissivities
`88
80
85
` 85
` 90
Moisture Permeability
`10-2
10-2
10-5
`10-2
`10-3
Uniformity
`5
` 10
` 10
` 6
`6
_SLIDE_15_
chemically similar to polyethylene terephthalate but which is more temperature resistant.
Good UV resistance and barrier properties
resistant to hydrolysis in alkaline or very hot aqueous conditions
PEN advantage
_SLIDE_16_
High price
lower flex life
available only as biaxially oriented and heat stabilised films.
PEN disadvantage
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Comparison of PEN
Performance Indicato
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