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Dive into the research topics where Cheol Jun Yoo is active.

Publication


Featured researches published by Cheol Jun Yoo.


Archive | 2012

Light-emitting device package and method of manufacturing the same

Cheol Jun Yoo; Young Hee Song; Seong Deok Hwang; Sang Hyun Lee


Archive | 2013

LIGHT EMITTING ELEMENT PACKAGE AND METHOD OF MANUFACTURING THE SAME

Il Woo Park; Cheol Jun Yoo


Archive | 2014

Phosphor film, method of manufacturing the same, coating method of phosphor layer, method of manufacturing led package, and led package manufactured thereby

Chang Hoon Kwak; Il Woo Park; Kyu Jin Lee; Cheol Jun Yoo; Seong Jae Hong


Archive | 2011

TRAY, TESTING APPARATUS AND TESTING METHOD USING THE SAME

Cheol Jun Yoo; Young Hee Song; Seong Deok Hwang


Archive | 2013

Light source module and illumination apparatus having the same

Cheol Jun Yoo; Young Hee Song


Archive | 2012

METHOD OF MANUFACTURING SEMICONDUCTOR LIGHT EMITTING DEVICE AND MASK FOR APPLICATION OF PASTE USED THEREFOR

Cheol Jun Yoo; Seong Jae Hong


Archive | 2011

Phosphor film, method for manufacturing same, method for depositing a phosphor layer, method for manufacturing a light-emitting device package, and light-emitting device package

Chang Hoon Kwak; 곽창훈; Il Woo Park; 박일우; Kyu Jin Lee; 이규진; Cheol Jun Yoo; 유철준; Seong Jae Hong; 홍성재


Archive | 2012

Light emitting device package and method of manufacturing thereof

Cheol Jun Yoo; Young Hee Song; Seong Deok Hwang; Sang Hyun Lee


Archive | 2011

Tray, LED testing apparatus and testing method using the same

Cheol Jun Yoo; Young Hee Song; Seong Deok Hwang


Archive | 2011

Light emitting diode device package and manufacturing method thereof

Cheol Jun Yoo; Young Hee Song; Seong Deok Hwang; Sang Hyun Lee

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