HC

Hak-Ki Choi

Samsung: 30 patents #4,061 of 75,807Top 6%
LU Lutronic: 2 patents #9 of 27Top 35%
Overall (All Time): #113,457 of 4,157,543Top 3%
32
Patents All Time

Issued Patents All Time

Showing 25 most recent of 32 patents

Patent #TitleCo-InventorsDate
10504434 DC-DC converter and display device having the same 2019-12-10
10013902 Display device and related electronic device 2018-07-03
9685111 Display device, control device for driving the display device, and control method thereof 2017-06-20
9558692 Organic light emitting display device and driving method thereof Do Ik Kim 2017-01-31
9282620 Apparatus and method for generating constant current pulse wave, medical operation method using same, and light generating apparatus Kwang Chon Ko 2016-03-08
9240140 Display device, power source generator device, and driving method of an OLED pixel 2016-01-19
9207785 Voltage generator and organic light emitting display device using the same Su-Weon Kim 2015-12-08
9093022 Power supply device, organic light emitting display device having the same, and method of supplying power 2015-07-28
8913408 Power supply device, organic light emitting display device having the same, and method of supplying power 2014-12-16
8262648 Control method and structure of laser beam irradiation by using a contact sensor Tae Ho Ha, Hae Lyung Hwang, Sung Huan Gong 2012-09-11
8106855 Energy recovery circuit and driving apparatus of display panel Nam-Sung Jung, Jun-Weon Song, Joo-Yul Lee, Myoung-Kyu Lee 2012-01-31
8044885 Driving device of plasma display panel and method 2011-10-25
7868853 Driving device for plasma display panel and plasma display device including the driving device 2011-01-11
7692918 Coupling structure of chassis base and circuit board and display apparatus including the same Sam-Ju Choi, Meen-Suk Kim 2010-04-06
7477212 Apparatus for driving a plasma display panel 2009-01-13
7471046 Apparatus and method for driving plasma display panel Jun-Young Lee, Seung-Woo Chang, Jin-Sung Kim, Chan-Young Han 2008-12-30
7439942 Plasma display panel driving apparatus 2008-10-21
7423612 Methods for resetting and driving plasma display panels in which address electrode lines are electrically floated 2008-09-09
7414597 Plasma display panel driving circuit Sang-Chul Kim, Seung-Pil Mun, Kwang-Ho Jin, Sun-Kyung Ahn 2008-08-19
7385571 Method and apparatus for driving panel by performing mixed address period and sustain period Kyoung-Ho Kang, Woo-Joon Jeong, Seung-Hun Chae 2008-06-10
7385570 Method and apparatus for driving panel by performing mixed address period and sustain period Kyoung-Ho Kang, Woo-Joon Jeong, Seung-Hun Chae 2008-06-10
7286103 Method and apparatus for driving panel by performing mixed address period and sustain period Kyoung-Ho Kang, Woo-Joon Jeong 2007-10-23
7271800 Apparatus for driving plasma display panel performing address-display mixing driving scheme Kyoung-Ho Kang, Seung-Hun Chae, Min-Sun Yoo, Woo-Joon Jeong 2007-09-18
7193586 Apparatus and methods for driving a plasma display panel Jun-Young Lee 2007-03-20
7167145 Method for resetting plasma display panel for improving contrast Joon-Koo Kim, Seong-charn Lee, Nam-Sung Jung 2007-01-23