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Binaphthol-Based Chromophores for Fabrication of Blue LEDs

技術優勢: • Resists crystallization • Good film forming ability • Favorable thermal stability • Good solubility in common organic solvents

技術應用: • LEDs • Electroluminescent materials • Blue Organic LEDsThis 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 material for the fabrication of organic electroluminescent devices. The blue electroluminescent material is based on a binaphtyl compound with a general formula that has good solubility in common organic solvents, resists crystallization, and can be sublimed in a device fabrication process. The material for the electroluminescent layer exhibits high photoluminescence efficiency, good film forming ability, and ideal thermal stability making it well suited for use in stable light emitting devices.

*Abstract: A blue electroluminescent material based on a binaphtyl compound.

*Applications: • LEDs

*IP Issue Date: Oct 28, 2008

*Principal Investigation: Name: Guillermo Bazan
Department:

Name: Hadjar Benmansour
Department:

Name: Yoshiharu Sato
Department:

Name: Takeshi Shioya
Department:

附加資料: Patent Number: US7442447B2
Application Number: US2004759505A
Inventor: Bazan, Guillermo C. | Benmansour, Hadjar | Sato, Yoshiharu | Shioya, Takeshi
Priority Date: 17 Jan 2003
Priority Number: US7442447B2
Application Date: 16 Jan 2004
Publication Date: 28 Oct 2008
IPC Current: H01J000162 | C07C004320 | C07D020902 | C07D020986 | C07D021514 | C07D021724 | C07D021914 | C07D022326 | C07D023520 | C07D024142 | C07D026357 | C07D026538 | C07D0271107 | C07D027766 | C07D032110 | C07D032112 | C07D040110 | C07D047104 | C09K001106 | H01L005130 | H05B003314 | C07D026356 | C07D027110 | H01L005100 | H01L005150
US Class: 428690 | 313504 | 313506 | 428917
Assignee Applicant: The Regents of the University of California
Title: Binaphthol based chromophores for the fabrication of blue organic light emitting diodes
Usefulness: Binaphthol based chromophores for the fabrication of blue organic light emitting diodes
Summary: The invention is for producing fluorescent dye, organic light emitting device (claimed), sensors, and probes in various media having biological membranes and cells.
Novelty: New binaphtyl compound for producing fluorescent dye, organic light emitting device, sensors, and probes in various media having biological membranes and cells

主要類別: 光學

細分類別: 發光二極管/有機發光二極管

申請號碼: 7442447

其他

Background

Semiconducting (conjugated) polymers, oligomers and small molecules have been studied as electroluminescent materials for use in light emitting displays since the early 1990s. Such emissive polymer displays offer a number of advantages, including high brightness at low operating voltage, low weight, thin profile and low power consumption over conventional display elements such as incandescent lamps and liquid crystal displays. Many of these materials have a high propensity for crystallization which can adversely affect thermal and mechanical properties of the polymers. Additionally, there has been a difficulty in obtaining high quality films by solution processing which has also hampered the development of the technology.

Additional Technologies by these Inventors

Tech ID/UC Case

22060/2003-157-0

Related Cases

2003-157-0

國家/地區: 美國

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