Expertise in Privacy Films Since 2015
Established in 2015, Sewha specializes in the development and manufacturing of advanced privacy film solutions. Our core product is an optical film embedded with micro-louvers, designed to control viewing angles and effectively prevent visual data leakage, thereby safeguarding personal and confidential information.

Customizable Viewing Technology
Leveraging Sewha's proprietary technology (Sewha P&C), our privacy films allow for the precise selection of micro-louver density and exclusion angles to match specific user requirements. This customization ensures optimal privacy and viewing comfort for diverse applications and environments.

Health and Wellness Protection
Our films incorporate a blue light blocking feature to help reduce eye strain, minimize dryness, and mitigate potential sleep disruptions. Furthermore, all Sewha privacy filters are treated with a durable antibacterial coating that blocks over 99% of common harmful bacteria, including Staphylococcus, E. coli, and Pneumococcus, ensuring a cleaner and safer surface without compromising user safety.

Durable and Versatile Coatings
To meet varied client needs, we offer multiple coating options such as hard coating for enhanced scratch resistance and diffused reflection coating to minimize glare. These finishes can be applied based on customer specifications, ensuring both functionality and longevity in different usage scenarios.

Core Product Features
Our products block viewing angles with micro louver technology, providing privacy protection features as follows:

Reduces eye fatigue based on AG coating
Micro louver technology cuts the viewing angles
Reduce eye strain and dry eye caused by blue light
The anti-glare property reduces eye strain
Protect the device from scratches
2way or 4way privacy protection
Available customized layers and features
100% made in Korea
TDS (Technical Data Sheet) for each item can be provided

SEWHA

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