Beom-Seon Ryu
Inventor
Stats
- 8 US patents issued
- 9 US Applications filed
- most recent filing
This is official USPTO record data
Details
- 8 US Patents Issued
- 9 US Applications Filed
- 59 Total Citation Count
- Dec 4, 2012 Most Recent Filing
- Sep 8, 2005 Earliest Filing
Work History
Patent Owner | Applications Filed | Year |
---|---|---|
MAGNACHIP SEMICONDUCTOR, LTD. | 1
4 12 | 2005
2011 2012 |
Inventor Addresses
Address | Duration |
---|---|
Cheongju-si, KR | May 10, 12 - Feb 06, 18 |
Cheonju-si, KR | May 10, 12 - Oct 27, 15 |
Chungcheongbuk-do, KR | Mar 16, 06 - Mar 16, 06 |
Technology Profile
Technology | Matters | |
---|---|---|
G02F: | DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH IS MODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THE DEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY, COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g. SWITCHING, GATING, MODULATING OR DEMODULATING; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF; FREQUENCY-CHANGING; NON-LINEAR OPTICS; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS | 1 |
G09G: | ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION | 3 |
H03L: | AUTOMATIC CONTROL, STARTING, SYNCHRONISATION, OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES | 1 |
Patents / Publication
Patents / Publication # | Year of Publication / Issued | Title | Citations |
---|---|---|---|
9888552 | 2018 | Detecting circuit for short of LED array and LED driving apparatus using the same | 0 |
9635746 | 2017 | Detecting circuit for open of LED array and LED driver apparatus using the same | 0 |
9596723 | 2017 | PWM signal generating circuit for DC-DC converter using dimming signal and LED driving circuit having the same in direct digital dimming method | 0 |
9173260 | 2015 | PWM signal generating circuit for DC-DC converter using dimming signal and LED driver circuit using the same in digital PWM method having fixed phase mode | 1 |
8941327 | 2015 | PWM controlling circuit and LED driver circuit having the same | 2 |
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