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Water-Soluble ETL Polymers for LEDs

技術優勢: • Conjugated polymers with hole-blocking properties for better efficiency and lifetime of device • Prevents interfacial-mixing in devices • Improved ability of polymers transporting electrons • Soluble in polar media such as water and methanol

技術應用: • Multi-layer devices • Polymer light-emitting diodes (PLEDs) • Optoelectronic materials and devices This technology is available for licensing. Click here to request more information.

詳細技術說明: Researchers at the University of California, Santa Barbara have developed a novel process to form conjugated polymers with desirable properties. The novel conjugated polymer technology has sufficient density of polar substituents allowing solubility in highly polar media such as water or methanol. Polymers with these solubility properties are ideal for preparing multi-layer devices. Polar soluble conjugated polymers can comprise monomers which favorably alter its conductivity properties, improving the polymer’s ability to transport electrons and match with other materials of interest in electronic devices.

*Abstract: Compositions of conjugated polymers, applicable to many electronic fields.

*Applications: • Multi-layer devices

*IP Issue Date: Nov 13, 2012

*Principal Investigation: Name: Guillermo Bazan
Department:

Name: Xiong Gong
Department:

Name: Alan Heeger
Department:

Name: Parameswar Iyer
Department:

Name: Bin Liu
Department:

Name: Wanli Ma
Department:

附加資料: Patent Number: US8309672B2
Application Number: US2005221123A
Inventor: Bazan, Guillermo C. | Liu, Bin | Gong, Xiong | Heeger, Alan J. | Ma, Wanli | Iyer, Parameswar K.
Priority Date: 3 Sep 2004
Priority Number: US8309672B2
Application Date: 6 Sep 2005
Publication Date: 13 Nov 2012
IPC Current: C08G006112 | H01B000112
US Class: 528007 | 528008 | 528397 | 528403 | 528405
Assignee Applicant: The Regents of the University of California
Title: Soluble conjugated polymers
Usefulness: Soluble conjugated polymers
Summary: In an inkjet cartridge (claimed).
Novelty: Conjugated polymer useful in inkjet cartridge comprises conjugated polymeric backbone, several polar groups attached to the backbone to render the polymer soluble in polar medium having specific polarity, and conductive monomer

主要類別: 化工/材料

細分類別: 化工/材料應用

申請號碼: 8309672

其他

Background

Polymeric conductors have been incorporated into a wide array of electronic, optical, optoelectronic materials and devices. Solution processing is a simple, economical, and controllable approach to depositing layers of conjugated polymers. Traditional manufacturing methods typically involve only one solution processing step for depositing polymers. Single-solution processing presents a difficulty in preparing multilayer materials, as most conjugated polymers are soluble in organic, nonpolar media. Multilayer devices offer optimal performance, but depositing multiple layers with similar solubility results in interfacial mixing which adversely affects the device’s reproducibility, structure, and efficiency.

Additional Technologies by these Inventors

Tech ID/UC Case

21369/2004-579-0

Related Cases

2004-579-0

國家/地區: 美國

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