Abstract: Provided are light-emitting down conversion organic nano-dots containing a first organic phosphor and a second organic phosphor, wherein the first organic phosphor has a molar extinction coefficient (F) of 10,000 L/mol·cm or more at a wavelength of 450 nm, and an emission spectrum of the first organic phosphor overlaps an absorption spectrum of the second organic phosphor, a composition for a color conversion film including the same, and a color conversion film, a display device, and a light-emitting diode device manufactured using the same.
Type:
Application
Filed:
September 5, 2023
Publication date:
August 1, 2024
Applicant:
ND-MATERIALS CORP.
Inventors:
Jang Hyuk KWON, Mi Young Chae, Young Hun Jung, Bright James Walker, Ansari Rasheeda Bano Maqbool Hasan, Gawale Yogesh Kisan
Abstract: Provided are light-emitting organic nanoparticles containing an organic phosphor having a luminous efficiency of 80% or more, wherein the light-emitting organic nanoparticles has an average particle size of 100 to 170 nm and a standard deviation of particle sizes of 500 nm or less, a composition for a color conversion film including the same, and a color conversion film, a display device, and a light-emitting diode device manufactured using the same.
Type:
Application
Filed:
October 20, 2023
Publication date:
July 25, 2024
Applicants:
ND-Materials Corp., Clap Co., Ltd.
Inventors:
Jang Hyuk Kwon, Gyeong Min Ki, Sung Ho Kim, Kang II Seo, Mi Young Chae, Young Hun Jung
Abstract: Provided is a method for manufacturing small and uniform light-emission type organic nanoparticles with improved yield. The method for manufacturing light-emission type organic nanoparticles according to the present invention comprises the steps of: (S1) preparing the first mixture by mixing an organic phosphor and a surfactant; and (S2) preparing a dispersion solution by mixing the first mixture with the first solvent which is an anti-solvent for the organic phosphor.
Type:
Application
Filed:
April 28, 2022
Publication date:
June 13, 2024
Applicant:
ND-Materials Corp.
Inventors:
Jang Hyuk KWON, Bright James WALKER, Soon Jae HWANG, Young Hun JUNG