CK

Chang Hoon Kwak

Samsung: 16 patents #8,525 of 75,807Top 15%
Overall (All Time): #297,704 of 4,157,543Top 8%
16
Patents All Time

Issued Patents All Time

Showing 1–16 of 16 patents

Patent #TitleCo-InventorsDate
10361351 Semiconductor light emitting element package including solder bump Sung Jin Ahn, Hak Hwan Kim, Jin Hwan Kim, Jin Kweon Chung, Min Jung Kim 2019-07-23
9722146 Phosphor film, method of manufacturing the same, coating method of phosphor layer, method of manufacturing LED package and LED package manufactured thereby Il Woo Park, Kyu Jin Lee, Cheol Jun Yoo, Seong Jae Hong 2017-08-01
9142737 Light emitting device surrounded by reflection wall and covered with fluorescent film Na Na Park, Il Woo Park 2015-09-22
9087968 White light emitting device, display apparatus and illumination apparatus Hyo Jin Lee, Jeong Hee Kim, Il Woo Park, Kyung Yul SEO 2015-07-21
8890188 Light emitting device surrounded by reflection wall and covered with fluorescent film Na Na Park, Il Woo Park 2014-11-18
8795817 Phosphor film, method of manufacturing the same, coating method of phosphor layer, method of manufacturing LED package, and LED package manufactured thereby II Woo Park, Kyu Jin Lee, Cheol Jun Yoo, Seong Jae Hong 2014-08-05
8507299 Light emitting diode package and manufacturing method thereof Seong Ah Joo, Na Na Park, Il Woo Park 2013-08-13
8445927 Light emitting diode package and manufacturing method thereof Seong Ah Joo, Na Na Park, Il Woo Park 2013-05-21
8378568 White light emitting diode with yellow, green and red light emitting phosphors Jong Rak Sohn, Chul Soo Yoon, Il Woo Park 2013-02-19
8294168 Light source module using quantum dots, backlight unit employing the light source module, display apparatus, and illumination apparatus Il Woo Park, Hyo Jin Lee 2012-10-23
8098005 White light emitting device Young Mok Lee, Il Woo Park, Jong Rak Sohn, Chul Soo Yoon 2012-01-17
8012792 Composite phosphor powder, light emitting device using the same and method for manufacturing composite phoshpor powder Chulsoo Yoon, Joon Ho Yoon, Yun Seup Chung 2011-09-06
7999456 White light emitting diode with yellow, green and red light emitting phosphor Jong Rak Sohn, Chul Soo Yoon, Il Woo Park 2011-08-16
7911127 Phosphor blend for wavelength conversion and white light emitting device using the same Jong Rak Sohn, Il Woo Park, Yun Seup Chung, Chul Soo Yoon, Joon Ho Yoon 2011-03-22
7832312 Composite phosphor powder, light emitting device using the same and method for manufacturing composite phosphor powder Chulsoo Yoon, Joon Ho Yoon, Yun Seup Chung 2010-11-16
7804239 White light emitting diode Jong Rak Sohn, Chul Soo Yoon, Il Woo Park 2010-09-28