UTE 25SPECIFICATION Product Name: MIRAENANO TECH. Optical Film Product Name: MIRAENANO TECH. Optical Film Model: UTE 25 Model: UTE 25 Drawn byChecked byApproval by MIRAENANOTECH CO., LTD. Edition No.ContentsDate 01Established

UTE 25 Lens Pitch ( ㎛ ) Pattern Height( ㎛ ) PET Thickness ( ㎛ ) 1. Scope This specification covers the quality requirements for MIRAENANOTECH Utility Film ( UTE 25 ) 2. Function UTE 25 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 Section structure UTE25 : Monitor Application Angle (The inside of Right and Left) : ° Pitch size: ( ㎛ )

UTE 25 ItemUnitValueTest Method General Total Thickness Density ㎛ g/ ㎠ 210 ± ± 0.05 ASTM D 1005 ASTM D 1505 Optical Transmittance Haze % (B  F) % (B  F) 15 ~ ~ 90 ASTM D Characteristics 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. 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. (Defective size : clarified diameter (D)

UTE 25 No.ItemsConditions 1High temp. 85 ℃, 500 Hrs 2Low temp. -30 ℃, 500Hrs 3High temp.& humidity 60 ℃, 95% RH, 500Hrs 5Thermal shock (-20 ℃ x 1Hr ↔ 70 ℃ x 1Hr ) x 125times 6Vibration test10~300Hz x 1.5G 2 hr (10 min Cyc ± XYZ direction) 7UV test UV light 100 pass. 6. Circumstance reliability 6-1. Test condition 6-2. Test Items 7. Product warranty This Product should satisfy items below. 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

UTE 25 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 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.

UTE 25 - Responsibility of immovable object: MNtech - Responsibility of movable object: BLU Maker 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 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