UTE31 製品納入仕樣書 Specification MIRAENANOTECH Co.,Ltd. 品 名 Product Name 型 名 Model MIRAENANOTECH Optical film UTE31 MIRAENANOTECH Co.,Ltd. Drawn ByChecked ByApproved By CONFIRMED

UTE31 改 訂 履 曆 Revised Record Edition No. 改 訂 內 容 Contents 備 考 Note 1 Established

UTE31 Lens Pitch ( ㎛ ) Pattern Height( ㎛ ) 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 Section structure

UTE Characteristics Item UnitValueTest Method General Total Thickness Density ㎛ g/ ㎠ 215 ± ± 0.05 ASTM D 1005 ASTM D 1505 Optical Transmittance Haze % (B  F) % (B  F) 60% ± 10 90% ± 5 ASTM D 1003 Mechanical Tensile Strength Elongation (MD/TD) MPa (MD/TD) % 167 / / 87 ASTM D 882 Electrical Surface Resistivity (Pattern layer) Ω/ ㅁ ASTM D 257 (23°C*50% RH)

UTE31 D b a D=(a+b)/2 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.

UTE31 No Items Conditions 1 High temp. 80 ℃, 240hrs 2 Low temp. -30 ℃, 240hrs 3 High temp.& humidity 60 ℃, 75% RH, 240hrs 4 Thermal shock (-20 ℃ x 1hr ↔ 70 ℃ x 1hr ) x125times 6. Circumstance reliability 6-1. Test Condition 6-2. Test Item ItemConditions External feature no serious change compared with the beginning state, with the naked eye. Brightness changeMaintain more than 80% of initial capacity Color change Chrominance about the initial value: △ E < 4 ItemsStandard requirements ThicknessFollow each model’s specification Appearance For the using, there should be no defects obstructing the product’s function. Detailed description is written in the attached external inspection standard requirements. ShapeFollow the obtained plan 7. Product warranty This Product should satisfy items below.

UTE31 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 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 Exchange the modified specification by mutual consent Deal with inventory of products manufactured before changes in the plan by mutual consent. 11. Storing Avoid direct sunlight. Storing temperature: 10 ℃ ~30 ℃, 60%RH Keep on a level floor, and avoid dropping or shocks When load the products, handing carefully. 12. Issuer: MIRAENANOTECH CO., LTD.

UTE31 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 won’t be shown and effected on the BLU Assembly & LCD Panel. Therefore, need to inspect the screen after covering the panel. ITEMSTANDARDREMARK White spot D > 0.3mm, bad Black spot (Foreign object) D > 0.3mm, bad D > 0.5mm, bad MNT TV Scratch L >2mm, W > 0.05mm Coating dropExistence is defect on the front sheet Stain If it’s not a foreign object, confirm on the panel inspection - Responsibility of immovable object: MNtech - Responsibility of movable object: BLU Maker