BLUE LIGHT BLOCKING FILM AND METHOD FOR MANUFACTURING THE SAME

• Main Authors: KIM JUNG YEON, PARK JUNGYEON, HONG WOONG PYO, CHO EUN CHUL, PYUN SEUNG BEOM
• Format: Patent
• Language: English; Korean
• Published: 18.10.2022
• Subjects: AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G; CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUSENAMELS; CHEMISTRY; COMPOSITIONS BASED THEREON; GENERAL PROCESSES OF COMPOUNDING; GLASS; JOINING GLASS TO GLASS OR OTHER MATERIALS; METALLURGY; MINERAL OR SLAG WOOL; OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS; OPTICS; ORGANIC MACROMOLECULAR COMPOUNDS; PHYSICS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS,MINERALS OR SLAGS; SURFACE TREATMENT OF GLASS; THEIR PREPARATION OR CHEMICAL WORKING-UP; WORKING-UP

Provided is a blue light blocking film, which includes a substrate and a photonic crystal pattern in which a plurality of photonic crystal particles are regularly arranged at intervals on the substrate. The photonic crystal particles include polymer particles and a coating layer having a band gap of 2.5 eV or more on the surface of the polymer particles. 기판, 그리고 기판 위에 복수의 광결정 입자들이 간격을 두고 규칙적으로 배열된 광결정 패턴을 포함하며, 광결정 입자는, 고분자 입자, 및 상기 고분자 입자 표면에 밴드갭이 2.5 eV 이상인 코팅층을 포함하는, 청색광 차단 필름을 제공한다.