Inventor

Duck-Gu Cho

Inventor

Suwon-si, KR

Overview

7→

Patents

2008–2021

Patent span

Physics

Primary field (CPC G)

Patents· 7 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G09Gprimary

G09GArrangements or circuits for control of indicating devices using static means to present variable information47%

H01JElectric discharge tubes or discharge lamps13%

E01HStreet cleaning7%

G01MTesting static or dynamic balance of machines or structures7%

G01RMeasuring electric variables7%

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein7%

H01LSemiconductor devices7%

H10KOrganic electric solid-state devices7%

PatentTitleYear

11,087,653Inspection system and method of inspecting a display cell using the same2021 11,081,063Organic light emitting display device and method of testing the same2021 7,982,708'Display device including a backlight unit and driving method of the backlight unit using an average grayscale level of an image'2011 7,710,362'Electron emission display (EED) and method of driving the same'2010 7,701,454'Field emission display apparatus'2010 7,612,743'Electron emission display (EED) with decreased signal distortion and method of driving EED'2009 7,358,933'Electron emission display and driving method thereof'2008

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2008–2011Patents assigned to SAMSUNG SDI CO LTD (5)· patent assignee history

2008–2011Based in Suwon-si, KR· patent location history

2021Patents assigned to SAMSUNG DISPLAY CO LTD (2)· patent assignee history

2021Based in Yongin-si, KR· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SAMSUNG SDI CO LTD	5	2008–2011
SAMSUNG DISPLAY CO LTD	2	2021

Locations

Location	Patents	Span
Suwon-si, KR	5	2008–2011
Yongin-si, KR	2	2021