Joseph K Madathil

This inventor holds 24 USPTO granted patents, primarily in Organic Light Emitting Diodes. Top assignees: Eastman-Kodak Company, Global Oled Technology LLC. Active years: 1998-2012.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Joseph K Madathil. Retrieved from https://idiyas.com/inventor/joseph-k-madathil

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank

USPTO Granted Patents = 24

% Patents Active = 100.0

Average Co-Inventor Count = 2.6

ph-index = 14

Forward Citations = 710(Granted Patents)

Company Filing History:

23 out of 21,608

Eastman-Kodak Company

patents

1 out of 262

Global Oled Technology LLC

patents

Years Active: 1998-2012

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Areas of Expertise:

OLED Technology

Cathode Structures

Electron-Injecting Layers

Device Stability

Transparent Electrodes

Light Emission

Conductive Polymers

High Work Function Alloys

Interfacial Layers

Organic Electroluminescent Devices

Ambient Light Reflection

Metal Sub-Layers

24 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 8241467 - Making a cathode structure for OLEDs (2012-08-14),

2. 7410825 - Metal and electronically conductive polymer transfer (2008-08-12),

3. 7309956 - Top-emitting OLED device with improved-off axis viewing performance (2007-12-18),

4. 7157156 - Organic light emitting device having improved stability (2007-01-02),

5. 7049741 - Organic light emitting diode with improved light emission through substrate (2006-05-23),

6. 7002293 - Organic light emitting diode with improved light emission through the cathode (2006-02-21),

7. 6875320 - Highly transparent top electrode for OLED device (2005-04-05),

8. 6818329 - Organic electroluminescent devices having a metal sub-layer within a hole-transporting region (2004-11-16),

9. 6797129 - Organic light-emitting device structure using metal cathode sputtering (2004-09-28),

10. 6794061 - Organic electroluminescent device having an adhesion-promoting layer for use with a magnesium cathode (2004-09-21),

11. 6781149 - OLED device with a performance-enhancing layer (2004-08-24),

12. 6765349 - High work function metal alloy cathode used in organic electroluminescent devices (2004-07-20),

13. 6603150 - Organic light-emitting diode having an interface layer between the hole-transporting layer and the light-emitting layer (2003-08-05),

14. 6579629 - Cathode layer in organic light-emitting diode devices (2003-06-17),

15. 6558820 - High contrast light-emitting diode devices (2003-05-06),

Title: Joseph K. Madathil: Innovator in Organic Light Emitting Diodes

Introduction

Joseph K. Madathil, based in Rochester, NY, is a prominent inventor notable for his contributions in the field of Organic Light Emitting Diodes (OLEDs). With a remarkable portfolio of 24 patents, Madathil has made significant strides in advancing OLED technology and materials science.

Latest Patents

Among his latest innovations is a patent focused on "Making a cathode structure for OLEDs". This method involves evaporating a first layer over organic layers that includes a metal or metal alloy with a work function of less than 4.0 eV. Additionally, it incorporates an electron-injecting dopant and a reactive metal, followed by the deposition of an inorganic material to create a buffer structure with the first layer. A protective layer of metal or metal alloy is then sputtered over this buffer structure.

Another key invention pertains to "Metal and electronically conductive polymer transfer". This invention presents a donor laminate featuring a substrate, an electronically conductive polymer layer in contact with the substrate, and a metal layer to enhance conductivity and efficiency in OLED applications.

Career Highlights

Joseph K. Madathil has worked with several prestigious organizations, including Eastman Kodak Company and Global OLED Technology LLC. His experience in these companies underscores his expertise in both research and development, particularly in the progression of OLED technologies.

Collaborations

Throughout his career, Madathil has collaborated with esteemed colleagues such as Pranab K. Raychaudhuri and Ching W. Tang. These collaborations have not only enriched his research outcomes but also contributed to the advancement of OLED technology on a broader scale.

Conclusion

With an impressive record of 24 patents and impactful contributions to OLED technology, Joseph K. Madathil stands as a significant figure in the realm of innovation. His ongoing work continues to pave the way for future developments in organic electronics, solidifying his legacy as an influential inventor.

Profile summary based on public USPTO records.

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]