The latest film for liquid crystal panel
Nipponpaperchemicals exhibited the film "high image quality Ag" for liquid crystal film panels at the exhibition held in Tokyo on April 15-17, 2009. This film not only improves the contrast, but also controls the reflection of ambient lighting.
In general, the film used for the display to improve the visibility shall be treated with gloss in order to improve the contrast, but the visibility will be reduced due to the reflection of the surrounding lighting. In addition, if Ag (anti glare) treatment is applied, black will appear white when displayed, and the contrast will be reduced. In addition, the image cannot be clearly displayed.
Therefore, the film can prevent reflection while ensuring image contrast and clarity by controlling the concave convex degree of the surface. The haze rate of the surface roughness index is 0.1% for the glossy film and 25% for the Ag treated film. This time, the haze rate is between the two, which is 12%. The gloss of the new film is 70% when the incident angle is 60 °. Clarity (max. 500%) is 410%. The gloss of the original glossy film is 100% and the definition is 480%, so the film properties have hardly changed. The gloss of Ag film is 22% and the definition is 35%.
In addition, products with haze rates of 25%, 8%, 5% and 1% were also introduced. The scratch test was carried out with a pencil of 4H hardness.
At the same time, the company also exhibited the film "high scratch resistance HC" to improve scratch resistance. Previously, the scratch resistance of the product was 250gf/cm2, while the high scratch resistance HC was more than 3000gf/cm2, more than 10 times of the original. This is achieved by improving coating materials and processing methods. In the exhibition area of the company, a demonstration was conducted that the picture covered with the film was not scratched with a steel wire brush, highlighting its high scratch resistance. In addition, it has also launched a product that gives consideration to hardness and scratch resistance, which can ensure the scratch resistance of 1800gf/cm2.