Inventor

PARK BONG JE

KR41 patents

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

PARK BONG JE

ELECTRONICS & TELECOMMUNICATIONS RES INST

Film haptic system having multiple operation points

Microlens array film and display device including the same

Artificial muscle

Thin active optical zoom lens and apparatus using the same

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

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

Focal variable device system

Optical imaging device

Image processing apparatus and control method thereof

Auto focusing device

Auto focusing device

Microlens array and method for fabricating thereof

Display apparatus and manufacturing method thereof

Shape-variable optical element

Active diffuser for reducing speckle and laser display device having active diffuser

Reflective active variable lens and method of fabricating the same

Method of manufacturing polymer film and polymer film composition

Imaging apparatus with adjustable lens and method for operating the same

Apparatus for imaging

KOREA ELECTRONICS TELECOMM

Light coupler and fiber laser system including the same

Optical amplifier incorporating therein holmium-doped optical fiber

Planar waveguide element

Tm3+-doped silicate glass and the use thereof

Fiber laser system using fiber having dysprosium

Shape-variable optical element and optical read/write device including the same

Amplified spontaneous emission reflector-based gain-clamped fiber amplifier

Tellurite glass composite, optical waveguide and optical amplifier using the same

Amplified spontaneous emission reflector-based gain-clamped fiber amplifier

Gain-clamped fiber amplifier

Optical amplifier

Touch panel providing tactile feedback in response to variable pressure and operation method thereof

Variable Fresnel lens

Apparatus for manufacturing optical fiber Bragg grating, optical fiber, and mid-infrared optical fiber laser

SEO HONG-SEOK

Optical fiber coupler, method of manufacturing the optical fiber coupler, and active optical module

Gain-clamped optical amplifying apparatus using fiber Raman amplifier having Raman cavity

SEO HONG SEOK

Optic coupler, optical fiber laser device, and active optical module using the same

AHN JOON TAE

Double clad fiber laser device

PARK SHANG-HYEUN

Phosphor, white light emitting device including the phosphor and method of preparing the phosphor