SpecificationMIRAENANOTECH Co.,Ltd. Product Name ModelMIRAENANOTECH Optical filmUTE 21MIRAENANOTECH Co.,Ltd.Drawn ByChecked ByApproved By

Revised RecordEditionNo. Contents Note12006. 10.09 Modified reliability of environment items232006. 9.21 Established

1. Scope

This specification covers the quality requirements for MIRAENANOTECH Utility Film ( UTE II-21 )

2. Function

UTE21I has both functions of increasing brightness and diffusing light on the Back Light Unit of Liquid crystal displays.

3. Construction

Base Layer : Polyester Film Layer Pattern Layer : Acryl Resin Layer

4. Structure

4-1. Product Structure Micro Lens Array Patterns of acrylic resin are formed randomly on one side of polyester film. 4-2. Section Structure Lens Pitch ()

Acryl Resin Layer

Total Thickness ()Polyester Film LayerPatternHeight()PET Thickness ()

4.3 Characteristics

ItemDescriptionUnitValueTest MethodUTE21-7GeneralTotal ThicknessDensityg/225 101.27 0.05ASTM D 1005ASTM D 1505OpticalTransmittanceHaze% (B F)% (B F) 55 580 5ASTM D 1003ASTM D 1003

MechanicalTensile StrengthElongation(MD/TD) MPa(MD/TD) %123 / 178130 / 88ASTM D 882 ASTM D 882ElectricalSurface Resistivity (Pattern layer)/1013ASTM D 257(23C*50% RH)UTE21-7MGeneralTotal ThicknessDensityg/230 101.27 0.05ASTM D 1005ASTM D 1505OpticalTransmittanceHaze% (B F)% (B F) 55 580 5ASTM D 1003ASTM D 1003

MechanicalTensile StrengthElongation(MD/TD) MPa(MD/TD) %123 / 178130 / 88ASTM D 882 ASTM D 882ElectricalSurface Resistivity (Pattern layer)/1013ASTM D 257(23C*50% RH) UTE21-10GeneralTotal ThicknessDensityg/280 101.27 0.05ASTM D 1005ASTM D 1505OpticalTransmittanceHaze% (B F)% (B F) 55 580 5ASTM D 1003ASTM D 1003

MechanicalTensile StrengthElongation(MD/TD) MPa(MD/TD) %160 / 300170 / 90ASTM D 882 ASTM D 882ElectricalSurface Resistivity (Pattern layer)/1013ASTM D 257(23C*50% RH)

5. Definition of the terms 5-1. Structure terms

- Lens Pitch : The distance of Micro Lens diameter - Pattern Height : Height of Micro Lens Pattern

5-2. Property terms

- brightness rising rate: the rate of rising brightness with the use of sheet

5-3. Defect terms

- defects: Foreign objects or deformation affecting product quality or properties, which exist in the product or on the surface. However, things that are not affecting product quality and can be easily removed with light air blow are not included, e.g., very small amount of dust on the surface.

- black spot : An opaque spot which has chromatic color or different-color spot. Spot average diameter is D.

- white spot : A white or translucent spot. Spot average diameter is D.

6. Reliability 6-1. Test condition 6-2. Evaluation Items 7. Product warranty

This Product should satisfy items below

No.ItemConditions1High temp. 80 , 240hr2Low temp. -30 , 240hr3High temp.& humidity 60, 75% RH, 240hr4Thermal shock (-20 x 1hr 70 x 1hr ) x 125times

ItemConditionsExternal featureno serious change compared with the beginning state, with the naked eye.Brightness changeMaintain more than 80% of initial capacityColor changeChrominance about the initial value: E < 4

ItemsStandard requirementsThicknessFollow each models specificationAppearanceFor the using, there should be no defectsobstructing the products function. Detailed description is written in the attached external inspection standard requirements.ShapeFollow the obtained plan

8.Safety Policy We do not use hazardous materials as follows,

8-1. PBBs : Poly brominated bi-phenyls 8-2. PBBEs : Poly brominated bi-phenyls ether 8-3. Chrominum VI (Cr +6) 8-4. Cadmium (Cd) 8-5. Mercury (Hg) 8-6. Lead (Pb) 9. Warranty Policy If any trouble or defect in workmanship which the company is regarded liable for occurs, we agree to repair or replace the defective one without charge for six months from the date of supplies.

10. Notification of changes

10-1. In case of the situation that needs to change manufacture process, raw material, and specification, both sides should contact each other and come to agreement beforehand.

10-2. Exchange the modified specification by mutual consent.

10-3. Deal with inventory of products manufactured before changes in the plan by mutual consent.

11. Storing

11-1. Avoid direct sunlight. Storing temperature: 10~30, 60%RH

11-2. Keep on a level floor, and avoid dropping or shocks. 11-3. When load the products, handing carefully.

12. Issuer: MIRAENANOTECH CO., LTD.

Attachment #1 Appearance Inspection Above inspection rule dont include in the defectives from mis-handling Test Condition : Above size are the measurement after covering with LCD cell of customers. But if customer need to discuss about normal inspection rules nor apply more strongly rule in UTE21, both customer and MNTech will made the limit sample for reference in produce line and the agreement about mutual inspection rules.

ItemsphenomenonItemsMonitor standardTV standardWhite spotIf D 0.3 , NGIf D 0.4 , NGForeign objectIf D 0.2 , NGIf D 0.4 , NGSide White SpotIf D 0.5 , NGIf D 0.5 , NGSCRATCHL = 2 mm , W = 0.05 mm faultyL = 2 mm , W = 0.05 mm faultyStainSeen faulty on a LCD panelSeen faulty on LCD panel