Method for the operation of illuminants

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 8803541
APP PUB NO 20110169494A1
SERIAL NO

13119685

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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The invention relates to the operation of illuminants, in particular OLEDs. The invention relates to a method and a measuring instrument for determining the electrical properties of an OLED, the equivalent circuit diagram of which is composed of the parallel connection of an equivalent diode DE and an equivalent capacitance CE as well as an equivalent resistance RE that is connected in series to said parallel connection. The values for the equivalent resistance RE and the equivalent capacitance CE are determined at a different time than are the values for the equivalent diode DE.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
TRIDONIC GMBH & CO KGDORNBIRN69
TRIDONICATCO GMBH & CO. KGDORNBIRN23

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Knoedgen, Horst Munich, DE 93 528
Zudrell-Koch, Stefan Hohenems, AT 22 44

Cited Art Landscape

Patent Info (Count) # Cites Year
 
GLOBAL OLED TECHNOLOGY LLC (2)
* 2006/0132,400 Ambient light detection using an OLED device 4 2004
* 2008/0315,788 OLED DISPLAY WITH AGING AND EFFICIENCY COMPENSATION 12 2007
 
INTEL CORPORATION (1)
2003/0071,821 Luminance compensation for emissive displays 62 2001
 
NICHIA CORPORATION (1)
* 6847193 Control circuit for charging and discharging, illuminating apparatus and driving method thereof 4 2003
 
TOHOKU PIONEER CORPORATION (1)
* 2005/0083,323 Light emitting display device 54 2004
 
PANASONIC LIQUID CRYSTAL DISPLAY CO., LTD. (1)
* 2009/0027,314 Imaging device and method of correction pixel deterioration thereof 3 2008
 
SAFT (1)
* 2005/0162,130 Balancing the voltages of electrochemical cells in a rechargeable battery by means of two-terminal circuits 2 2004
 
LITTELFUSE, INC. (1)
* 2007/0126,018 LIGHT-EMITTING DEVICE USING VOLTAGE SWITCHABLE DIELECTRIC MATERIAL 16 2006
 
JOHNSON CONTROLS TECHNOLOGY COMPANY (1)
2006/0274,540 Lighting system 17 2005
 
PATENT-TREUHAND-GESELLSCHAFT FUR ELEKTRISCHE GLUHLAMPEN MBH (1)
6975214 Supply unit for identifying and powering a LED unit, and method therefor 6 2003
* Cited By Examiner

Patent Citation Ranking

Forward Cite Landscape

Patent Info (Count) # Cites Year
 
GLOBALFOUNDRIES INC. (1)
* 9275578 Method for operating active matrix display system having triode switch driver circuitry 0 2013
* Cited By Examiner

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