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Patent
Beijing Aglaia Technology Development Co. and Guangdong Aglaia Optoelectronic Materials Co. | Date: 2014-11-28

Provided is a method for improving single-wall carbon nanotube dispersion, comprising the following steps: (1) using ultrasonic waves to disperse single-wall carbon nanotube powder in a lipid solvent, and allowing to stand for 2-3 days for swelling and centrifuging; (2) successively washing by centrifugation with low-boiling point alcohol solvent and water, then drying; (3) adding the dried single-wall carbon nanotubes to a strongly oxidative acid solution for oxidation, and centrifuging; (4) washing by centrifugation with water to a centrate of pH7, then dissolving the single-wall carbon nanotubes in water or alcohol solvent. Upon processing by the described method, recovery of single-wall carbon nanotubes is around 80% or higher, and the single-wall carbon nanotube solution is highly concentrated; the absorbance value of the carbon nanotube dispersion can be reduced to approximately 1600, and the invention can be used for preparation of flexible transparent electrode materials.


Patent
Beijing Aglaia Technology Development Co. and Guangdong Aglaia Optoelectronic Materials Co. | Date: 2014-11-28

Provided is a method for uniform dispersion of single-wall carbon nanotubes, comprising: (1) dispersing single-wall carbon nanotube powder in a low-boiling point alcohol or water or DMF, then placing into a UV bench for ultraviolet irradiation and oxidation; (2) after cleaning the carbon nanotubes in the UV bench, using a strong acid to carry out an oxidation reaction, then washing by centrifugation; (3) after cleaning with strong acid, subjecting the single-wall carbon nanotubes to ethanol or water ultrasonic dispersion 2-3 times, washing by centrifugation, then dissolving in low-boiling point alcohol or water or DMF solution to obtain a single-wall carbon nanotube dispersion. By means of the present method, the entire surface of a carbon nanotube is grafted with a functionalized group, achieving solubility of single-wall carbon nanotubes; further, high-performance carbon nanotube composite flexible transparent electrode materials can be prepared, which have high transmittance and low sheet resistance.


Patent
Beijing Aglaia Technology Development Co. and Guangdong Aglaia Optoelectronic Materials Co. | Date: 2014-11-28

A high-dispersion carbon nanotube composite conductive ink, consisting of modified carbon nanotubes, conductive polymeric material, and solvent; said modified carbon nanotubes being obtained from conventional carbon nanotubes that have been irradiated on a UV bench and then oxidized by a strong acid. Carbon nanotubes obtained via this process do not require, when preparing conductive composite ink, the addition of a surfactant to increase the dispersibility of the ink, such that the conductive layer obtained therefrom has good conductive properties, optical transmittance within the visible light range, and flexibility. The conductive properties of this flexible carbon nanotube polymeric transparent conductive film are world class, and the invention has good prospects for application.


Patent
Guangdong Aglaia Optoelectronic Materials Co. and Beijing Aglaia Technology Development Co. | Date: 2013-05-26

The present invention discloses an organic light-emitting device (OLED), comprising an anode, a cathode, and one or more organic layers, wherein the said organic layer contains at least one compound having the formula (I), and the said OLED has the advantages of excellent light-emitting efficiency, excellent color purity and long lifetime.


Patent
Beijing Aglaia Technology Development Co. and Guangdong Aglaia Optoelectronic Materials Co. | Date: 2014-12-16

The present invention relates to a method for synthesizing 2,6-bis[3-(N-carbazolyl)phenyl]pyridine compound, and belongs to the field of chemical synthesis. In the present invention, a pyridine ring is formed by cyclization, the intermediate product can be directly used in the next reaction without purification and thus the process is very easy; the final product I will precipitate from the mixed reaction solution after the completion of the reaction, and the product can be very conveniently extracted.


Patent
Beijing Aglaia Technology Development Co. and Guangdong Aglaia Optoelectronic Materials Co. | Date: 2014-02-27

A transparent carbon nano-tube (CNT) polymer compound conductive inks and preparation methods thereof. The conductive ink includes modified CNT, conductive polymer, water-soluble polymer cosolvent, polymer modification additive, surfactant and deionized water. Preparation is performed to realize uniform dispersion of CNT and conductive polymer solution and the obtained ink has good stability and re-dispersibility. The CNT polymer compound conductive ink and methods can be used for preparing fine electrode patterns under room temperature by adopting such devices as spin coating and ink jet printing. Photoresist conductive ink can be prepared to realize one-off preparation of electrode patterns with fine structures. The ink can be applied for very transparent electrode materials in such devices as flexible OLED displays, solar cells, liquid crystal displays and panels of touch screens. It has such advantages as good compatibility with transparent polymer matrix and strong adhesion to ensure use life of the flexible electrode.


Patent
Guangdong Aglaia Optoelectronic Materials Co. and Beijing Aglaia Technology Development Co. | Date: 2014-04-25

The OLED in the present invention comprises an anode, a cathode, and one or multiple organic layers, and the organic layer at least contains one kind of material with the following chemical formula I. The OLEDs made by this organic light emitting material have advantages such as good light emitting efficiency, excellent color purity and long lifetime.


Patent
Beijing Aglaia Technology Development Co. and Guangdong Aglaia Optoelectronic Materials Co. | Date: 2014-11-03

An organic electroluminescent material and organic electroluminescent device (OED) with the structure as formula (I) is disclosed herein. The OED possesses high electronic transmission and injection capacity by using the compound having an acenaphtho[1,2-c]pyridine (ANP) group as electronic transport material. It also enhances luminous efficiency and lifetime of the device because of its excellent thermal stability and film-forming properties. At the same time, the OED possesses high triplet energy level and excellent electronic transport capacity by using the compound having the ANP group as the main body of phosphorescence material. It enhances the number of electrons in light-emitting layer and the efficiency of the device effectively.


Patent
Guangdong Aglaia Optoelectronic Materials Co. and Beijing Aglaia Technology Development Co. | Date: 2013-05-26

The present invention discloses an organic light-emitting device (OLED), comprising an anode, a cathode, and one or more organic layers, wherein the said organic layer contains at least one compound having the formula (I), and the said OLED has the advantages of excellent light-emitting efficiency, excellent color purity and long lifetime.


Patent
Guangdong Aglaia Optoelectronic Materials Co. and Beijing Aglaia Technology Development Co. | Date: 2014-04-25

The present invention also relates to an organic electronic material with the structure of formula (I). It is a kind of hole transport and injection material with good thermal stability, high hole mobility and excellent solubility. The OLEDs prepared thereof have the advantages such as good light emitting efficiency, excellent color purity and long lifetime.

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