Jae-Hyeon Jang

Secondary Optical System Design for Omnidirectional LED Bulb

Jong-Tae Kim, Jae-Hyeon Jang, Soon-Hwa Yun, 2015 .

Optical Illumination System Design for LED Masthead Navigation Light

Jong-Tae Kim, Young-Moon Yu, Jae-Hyeon Jang, 2014 .

Study of the Optical System Design for Omni-Directional LED Bulb Satisfying Energy Star’s Light Bulbs Specification

Jong-Tae Kim, Young Moon Yu, Kwang-Il Park, 2017 .

Study on the Optical Properties Change according to the LED Illumination Collimator Lens Design Parameters

Jong-Tae Kim, Young-Moon Yu, Jae-Hyeon Jang, 2016 .