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ODF Seal Material
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Summery If entire Kyoritsu’s ideas are accepted in ODF process, - Reduce mask process - Make design flexibility in LCD - Make high quality device If Kyoritsu’s support are accepted in your compnay, - Provide RCA to technical issue by accumulation of technology and knowledge. - Productivity & provide cost down. - Improve TSD’s design to G10.
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ODF Process Information If you doesn’t use “Yellow lamp room” …
Dispensing seal material LC drop Lamination GAP control Masking UV curing Room: Yellow Lamp Room: Yellow Lamp Room: Yellow Lamp Room: Yellow Lamp Room: Yellow Lamp Room: Yellow Lamp Process condition Air Air Vacuum Vacuum Air Air Air Using ODF’s needle Mask release Heat curing Complete Information If you doesn’t use “Yellow lamp room” … - Cannot controlling GAP - It has possibility to occur needle clogging by cured adhesive Room: Yellow Lamp Room: Yellow Lamp Room: Yellow Lamp If you can use wavelength at over 400nm, it can without masking Air Air Air Process condition
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Technical Information of Kyoritsu Typical Material @ 723K1
VHR data (%T) Feature Solving to display defect issue - Low elution (good light distribution) / Good electrical characteristics Improving reliability - Good adhesion to Glass and PI / Accept shadow area curing TDS Product Name 723K1 Condition Color Liquid Yellow Visual Contact Main Component Epoxy Acrylate One Component Viscosity ~ mPa・s ~ 298,800 Cone / Plate Cure Condition UV + Heat 2,000 mJ/cm2 + 120C×60min UV: 340 ~ 440 nm Hardness ~ Shore ~ D 87 Hardness Meter Water Vapor Transmission Rate g/m2・24hr 24.4 65℃ / 95% Weight Loss by Heating % under 1.5 TG, 120C×60min Extract Water Solution Conductivity μS/cm 32.5 PCT 121C×20h Extract Water pH pH 4.19 Tg ~ C ~ 110.5 TMA method 0.5mmt Pot Life Time 24 h At Room Temperature Guaranteed Condition C under -15 At Dark Place Guaranteed Term month 6 After Manufacturing Validation result Ion Density data (pC / cm2)
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Device Design Candidate
Type 1 Type 2 Polarizer Polarizer OCA OCA Glass Glass CF + BM BM BM CF + BM BM BM ITO Seal PI Seal Seal PI Seal LC LC PI PI TFT TFT Glass Glass OCA OCA Polarizer Polarizer Back Light Back Light
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Seal Design Candidate ① w/ PI Lap Need adhesion to PI PI design
② w/o PI Lap Need adhesion to ITO Seal dimension Apply design After Lamination design
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Material Decision Flow
Propose Simulation Workability test Initial Test Panel Test Assembly test Material Qualification PP 1 in INDIA Material Qualification PP 2 in INDIA MP Viscosity Stirring condition LC Compatibility Temp. shock MURA Adhesion Apply condition Electrical High Temp & Humidity 2 MPB Cleaning condition Adhesion Elution 3 Tg 4 4 4 4 Cure condition 5 5 5 5
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Notes JAPAN Overseas - 15C FREEZE FREEZE FREEZE DEFORST or
≪Temperature≫ Yellow Lamp JAPAN Overseas - 15C FREEZE FREEZE FREEZE DEFORST - Bottle Open - Using KYORITSU Trading Company-1 or Trading Company-2 Your company worker ≪Add spacer & Refill Process≫ Viscosity change after stirring Yellow Lamp * 37 C or 40 C ⇒ 25C Bottle 300ml Stirrer Syringe (Add spacer) Refill Validation result KYORITSU Your company
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Notes-2 ≪Dispenser Needle≫
Cleaning Process Remove adhesive with a Air blow Ultrasonic 15min × 3 times Flowing by pure acetone Air drying *Solvent is acetone
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Thank you very much for your attention and interested!
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