SpecificationMIRAENANOTECH Co.,Ltd. Product Name ModelMIRAENANOTECH Optical filmUTE31MIRAENANOTECH Co.,Ltd.Drawn ByChecked ByApproved ByCONFIRMED

Revised RecordEditionNo. Contents Note1Established2006. 09. 20

Lens Pitch ()PatternHeight()PET Thickness ()1. Scope This specification covers the quality requirements for MIRAENANOTECH Utility Film ( UTE 31)

2. Function UTE 31 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 Prism & Micro Lens Array Patterns of acrylic resin are formed randomly on one side of polyester film.

4-2. Section structure

4.3 Characteristics

ItemUnitValueTest MethodGeneral

Total Thickness

Density

g/

215 10

1.28 0.05

ASTM D 1005

ASTM D 1505Optical

Transmittance

Haze

% (B F) % (B F)

60% 10

90% 5

ASTM D 1003

ASTM D 1003

Mechanical

Tensile Strength

Elongation

(MD/TD) MPa

(MD/TD) %

167 / 209

140 / 87

ASTM D 882

ASTM D 882Electrical

Surface Resistivity (Pattern layer)

/

1013

ASTM 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. Circumstance reliability 6-1. Test Condition 6-2. Test Item 7. Product warranty

This Product should satisfy items below.

NoItems Conditions1High temp. 80 , 240hrs2Low temp. -30 , 240hrs3High temp.& humidity 60, 75% RH, 240hrs4Thermal shock (-20 x 1hr 70 x 1hr ) x125times

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-phenyl ether 8-3. Chromium 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 an 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

-Excluding Bad treatment from the item.

-Standard of inspection : Even though defects are shown on the sheet by naked eyes, some of defects wont be shown and effected on the BLU Assembly & LCD Panel . Therefore, need to inspect the screen after covering the panel. - Responsibility of immovable object: MNtech- Responsibility of movable object: BLU Maker

ITEMSTANDARDREMARKWhite spotD > 0.3mm, badBlack spot(Foreign object)D > 0.3mm, badD > 0.5mm, badMNTTVScratchL >2mm, W > 0.05mmCoating dropExistence is defect on the front sheet StainIf its not a foreign object, confirm on the panel inspection