Patents Assigned to GUANGDONG AGLAIA OPTOELECTRONIC MATERIALS CO., LTD.
-
Patent number: 9871202Abstract: 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.Type: GrantFiled: May 26, 2013Date of Patent: January 16, 2018Assignees: GUANGDONG AGLAIA OPTOELECTRONIC MATERIALS CO., LTD, BEIJING AGLAIA TECHNOLOGY DEVELOPMENT CO., LTD.Inventors: Lei Dai, Jinhai Huang, Jinxin Chen, Lifei Cai
-
Patent number: 9831449Abstract: The present invention relates to light-emitting materials for light-emitting diodes. The structure for the light-emitting materials is shown in Formula I. The platinum (II) complexes of the present invention show high emission quantum efficiency, good thermal stability and low quenching constant, thus can be used for producing red light OLED with high efficiency and low efficiency attenuation.Type: GrantFiled: March 16, 2015Date of Patent: November 28, 2017Assignee: GUANGDONG AGLAIA OPTOELECTRONIC MATERIALS CO., LTD.Inventors: Chiming Che, Lifei Cai
-
Patent number: 9745477Abstract: 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.Type: GrantFiled: November 28, 2014Date of Patent: August 29, 2017Assignees: BEIJING AGLAIA TECHNOLOGY DEVELOPMENT CO., LTD., GUANGDONG AGLAIA OPTOELECTRONIC MATERIALS CO., LTD.Inventors: Haiyan Hao, Xiliang Cao, Lei Dai, Lifei Cai
-
Patent number: 9738795Abstract: 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.Type: GrantFiled: November 28, 2014Date of Patent: August 22, 2017Assignees: BEIJING AGLAIA TECHNOLOGY DEVELOPMENT CO., LTD., GUANGDONG AGLAIA OPTOELECTRONIC MATERIALS CO., LTD.Inventors: Haiyan Hao, Xiliang Cao, Lei Dai, Lifei Cai
-
Patent number: 9738627Abstract: 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.Type: GrantFiled: December 16, 2014Date of Patent: August 22, 2017Assignees: BEIJING AGLAIA TECHNOLOGY DEVELOPMENT CO., LTD., GUANGDONG AGLAIA OPTOELECTRONIC MATERIALS CO., LTD.Inventors: Kam-hung Low, Lifei Cai
-
Publication number: 20170162803Abstract: The present invention relates to light-emitting materials for light-emitting diodes. The structure for the light-emitting materials is shown in Formula I. The platinum (II) complexes of the present invention show high emission quantum efficiency, good thermal stability and low quenching constant, thus can be used for producing red light OLED with high efficiency and low efficiency attenuation.Type: ApplicationFiled: March 16, 2015Publication date: June 8, 2017Applicant: GUANGDONG AGLAIA OPTOELECTRONIC MATERIALS CO., LTD.Inventors: Chiming CHE, Lifei CAI
-
Patent number: 9647215Abstract: 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.Type: GrantFiled: April 25, 2014Date of Patent: May 9, 2017Assignees: GUANGDONG AGLAIA OPTOELECTRONIC MATERIALS CO., LTD., BEIJING AGLAIA TECHNOLOGY DEVELOPMENT CO., LTD.Inventors: Jinhai Huang, Lifei Cai, Lei Dai, Kam-Hung Low
-
Publication number: 20170029634Abstract: 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.Type: ApplicationFiled: November 28, 2014Publication date: February 2, 2017Applicants: BEIJING AGLAIA TECHNOLOGY DEVELOPMENT CO.,LTD., GUANGDONG AGLAIA OPTOELECTRONIC MATERIALS CO., LTD .Inventors: Haiyan HAO, Xiliang CAO, Lei DAI, Lifei CAI
-
Publication number: 20170029633Abstract: 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.Type: ApplicationFiled: November 28, 2014Publication date: February 2, 2017Applicants: BEIJING AGLAIA TECHNOLOGY DEVELOPMENT CO.,LTD., GUANGDONG AGLAIA OPTOELECTRONIC MATERIALS CO., LTD.Inventors: Haiyan HAO, Xiliang CAO, Lei DAI, Lifei CAI
-
Publication number: 20170029646Abstract: 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.Type: ApplicationFiled: November 28, 2014Publication date: February 2, 2017Applicants: BEIJING AGLAIA TECHNOLOGY DEVELOPMENT CO.,LTD., GUANGDONG AGLAIA OPTOELECTRONIC MATERIALS CO., LTD.Inventors: Haiyan HAO, Xiliang CAO, Lei DAI, Lifei CAI
-
Publication number: 20160311799Abstract: 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.Type: ApplicationFiled: December 16, 2014Publication date: October 27, 2016Applicants: BEIJING AGLAIA TECHNOLOGY DEVELOPMENT CO., LTD., GUANGDONG AGLAIA OPTOELECTRONIC MATERIALS CO., LTD.Inventors: Kam-hung LOW, Lifei CAI
-
Publication number: 20160260907Abstract: 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.Type: ApplicationFiled: November 3, 2014Publication date: September 8, 2016Applicants: BEIJING AGLAIA TECHNOLOGY DEVELOPMENT CO., LTD., GUANGDONG AGLAIA OPTOELECTRONIC MATERIALS CO., LTD .Inventors: Kam-hung Low, Lei Dai, Jinxin Chen, Lifei Cai
-
Publication number: 20160111652Abstract: 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.Type: ApplicationFiled: April 25, 2014Publication date: April 21, 2016Applicants: Guangdong Aglaia Optoelectronic Materials Co., Ltd, Beijing Aglaia Technology Development Co., Ltd.Inventors: Jinhai HUANG, Lifei CAI, Lei DAI, Kam-Hung LOW
-
Patent number: 9139488Abstract: Disclosed is an improved sublimation method for the purification of organic small molecules. The new method features that barriers are applied in the collection region of sublimation tube so that the gas flow path is modified to pass through or bypass the barriers from the heating region to the vacuum pump. The arrangement of the barriers can effectively separate the main product from the impurities. The main product is enriched in a collection region, while the volatile impurities are enriched in an impurity region. This method has been proved to improve the quality of sublimed materials substantially according to the purity measurements and OLED performance tests.Type: GrantFiled: August 3, 2012Date of Patent: September 22, 2015Assignees: GUANGDONG AGLAIA OPTOELECTRONIC MATERIALS CO., LTD., BEIJING AGLAIA TECHNOLOGY DEVELOPMENT CO., LTD.Inventors: Lei Dai, Lifei Cai
-
Publication number: 20150108448Abstract: 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.Type: ApplicationFiled: May 26, 2013Publication date: April 23, 2015Applicants: GUANGDONG AGLAIA OPTOELECTRONIC MATERIALS CO., LTD, BEIJING AGLAIA TECHNOLOGY DEVELOPMENT CO., LTDInventors: Lei Dai, Jinhai Huang, Jinxin Chen, Lifei Cai
-
Publication number: 20140191422Abstract: Disclosed is an improved sublimation method for the purification of organic small molecules. The new method features that barriers are applied in the collection region of sublimation tube so that the gas flow path is modified to pass through or bypass the barriers from the heating region to the vacuum pump. The arrangement of the barriers can effectively separate the main product from the impurities. The main product is enriched in a collection region, while the volatile impurities are enriched in an impurity region. This method has been proved to improve the quality of sublimed materials substantially according to the purity measurements and OLED performance tests.Type: ApplicationFiled: August 3, 2012Publication date: July 10, 2014Applicants: BEIJING AGLAIA TECHNOLOGY DEVELOPMENT CO., LTD., GUANGDONG AGLAIA OPTOELECTRONIC MATERIALS CO., LTD.Inventors: Lei Dai, Lifei Cai