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Display Sealant Product Introduction
Display Perimeter Sealant Introduction
Oct 14, 2008
Ringo Wong
Product Development Engineering
WGQ, Shanghai
Confidential
2Confidential
Outline
? E-paper Display Evolution
? Sealant Portfolio
? Introduction to EccosealTM 7100
? Feature Benefit
? Dispensing Process
? Cure Schedule
? Product Storage and Handling Guideline
3Confidential
E-Paper Display Evolution
4Confidential
Display (E-Paper) Design
Sipix Design
PVI / E-ink Design
5Confidential
Display (E-Paper)
PVI Rigid 6” E-book
Eccoseal
7100
400 mg sealant per panel
6Confidential
E-paper sealant
- Requirement
7Confidential
Display (E-Paper)
- Sealant Development Roadmap
7100
80308-3*
* : experimental product
8Confidential
Display (E-Paper)
- Thermal Curing Sealant
12 hrs24 hrs24 hrsWorklife
30 min @ 70C1.5 hrs @ 70C2 hrs @ 70CCure Condition
321.44030160070C
52814514182825CStorage Modulus by DMA,
Mpa
105.39112.5107.17Tg, C
30.9748.6362.44CTE (20 - 50 C), ppm/C
TMA
Adhesive to
glass
interface
CohesiveCohesive
Failure mode (Adhesive on
glass or PET, or
Cohesion or Mixed
mode)
3.299.7513.86Std deviation
11.2839.2338.49
(3 day after cure) (Cure
schedule, 5C/min ramp
to 70C)
Die Shear Strength, kg
(Glass die on PET
substrate)
282124021907rheometerViscosity, cps (2 cm parallel plate, 15s-1, 25C)
710080308-180308-3ConditionProperties
9Confidential
Display (E-Paper)
- UV Curing Sealant
10Confidential
Product Overview of EccosealTM 7100
? EccosealTM 7100 – One Component, Very Fast Low Temp Cure
Display Perimeter Sealant
? Developed by Dr. Stijn (Emerson Cuming, Belgium)
? Developed in 2005 for Electrophoretic Display Application
? First material qualified and used by leading E-Book Manufacturers
? Is High Volume Manufacturing product
? Proved Quality and Reliability Performance
? Meet RoHs
? Meet Sony SS-00259
11Confidential
Product Overview of EccosealTM 7100
? Best Warpage Control than any competitors
12Confidential
Features of Eccoseal 7100
G25 needle may be cloggedG 23Finest needle to dispense
High Under
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