Inventor

PARK SEUNG KOO

KR45 patents

⚠️ This page may combine multiple inventors who share the name “PARK SEUNG KOO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

PARK SEUNG KOO

KOREA ELECTRONICS TELECOMM

Optical device having optical waveguide including organic Bragg grating sheet

Display device

Opto-electric bus module and method of manufacturing the same

Optical switching device and wavelength multiplexing device having planar waveguide-type structure

Organic light emitting device

Organic light emitting device

Opto-electronic connector module and opto-electronic communication module having the same

Optical waveguide device

Wavelength converter, method of manufacturing wavelength converter and optical device using the same

Organic dye molecules and nonlinear optical polymeric compounds containing chromophores

Method of fabricating organic light emitting device

Optoelectric printed circuit board, method of manufacturing the same, and optoelectric transmission method using the optoelectric printed circuit board

Dual-mode pixel including emissive and reflective devices and dual-mode display with the same

Organic dye molecules and nonlinear optical polymeric compounds containing chromophores

Organic dye molecules and nonlinear optical polymeric compounds containing chromophores

Polyamic ester having moieties of electro optic and nonlinear optical compound in side chains as an electro optic and nonlinear optical polymer, manufacturing method therefor and film manufactured therefrom

Host-guest polymer system comprising polymer having isoimide group and organic chromophore, side-chain nonlinear optical polymer derived from the same, and method for synthesizing side-chain nonlinear optical polymer

Tunable Fabry-Perot filter and method for fabricating the same

Compound containing crosslinkable moieties, prepolymer, blend and polymer sheet obtained therefrom, and waveguide for optical interconnection

Light source apparatus

Self-poled electro-optic and nonlinear optical polymer, method of manufacturing the polymer, and film manufactured from the polymer

Nonlinear optical material with nano-sized dendrimer structure

Methods of forming an organic scattering layer, an organic light emitting diode with the scattering layer, and a method of fabricating the organic light emitting

Hybrid light emitting device having a capping layer

Thermo-optic tunable optical attenuator

Surface light emitting apparatus including an optical distributor

ELECTRONICS & TELECOMMUNICATIONS RES INST

Composition for forming film having wrinkle structure and method of forming the film

Method of forming a film having a surface structure of random wrinkles

Shape-variable electronic device and operation method of the same

Varifocal lens module

Light transmittance control film and composition for the light transmittance control film

Light transmittance control film and composition for the light transmittance control film

Stereoscopic surface display device and operation method of the same

Light transmittance control film and composition for the light transmittance control film

Focal variable device system

Stretchable substrate, electronic apparatus having the stretchable substrate, and method of manufacturing the electronic apparatus

Optical imaging device

Image processing apparatus and control method thereof

Blend prepared by mixing a prepolymer and a vinyl monomer and a polymer sheet obtained therefrom

Method of fabricating light functional substrate and organic light emitting diode having the same

Reflective active variable lens and method of fabricating the same

Method of manufacturing polymer film and polymer film composition

KIM JIN-TAE

Light emitting device and optical coupling module

LEE MYUNG HYUN

Optical wiring module

PARK SEUNG KOO

Prepolymer prepared by a condensation reaction and a polymer sheet obtained therefrom