HIGHLY MOISTURE RESISTANT HIGHLY RELIABLE FLUORIDE RED PHOSPHOR AND LIGHT EMITTING DEVICE CONTAINING THE SAME

• Main Authors: KWON, O SUNG, YOU, YOUNG CHUL, LIM, HYUNG SUP
• Format: Patent
• Language: English; Korean
• Published: 18.02.2019
• Subjects: ADHESIVES; CHEMICAL PAINT OR INK REMOVERS; CHEMISTRY; COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS; CORRECTING FLUIDS; DYES; FILLING PASTES; INKS; MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE; METALLURGY; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; NATURAL RESINS; PAINTS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; POLISHES; USE OF MATERIALS THEREFOR; WOODSTAINS

According to the present invention, disclosed is a red-colored fluorescent substance containing a polymer coating layer, wherein the polymer-coated red-colored fluorescent substance of the present invention has improved reliability due to high moisture resistance and heat resistance to maintain fluorescent properties. In addition, a light emitting device containing highly reliable fluoride-based red-colored fluorescent substance of the present invention shows light emitting strength, which is not reduced. 본 발명은 고분자 코팅층을 포함하는 적색 형광체를 게시하며, 본 발명의 고분자 코팅된 적색형광체는 내습성 및 내열성이 높아서 신뢰성이 형상되어 형광특성을 유지할 수 있다. 또한 본 발명의 고신뢰성 플루오라이드계 적색 형광체를 포함하는 발광장치 또한 발광 강도가 감소되지 않는 장점이 있다.