Patents by Inventor Lifei Cai
Lifei Cai has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20240368464Abstract: Disclosed are an organometallic iridium compound and application thereof. The organometallic iridium compound has a general formula of Ir(La)(Lb)(Lc), where La is a structure represented by Formula (1), and Lb is a structure represented by Formula (2). The compound provided by the present invention has the advantages of high optical and electrical stability, low sublimation temperature, small emission half-peak width, high color saturation, high luminous efficiency, long device life and the like, and can be used in organic electroluminescent devices. In particular, the compound has the potential for application in the AMOLED industry as a red light-emitting dopant.Type: ApplicationFiled: June 15, 2022Publication date: November 7, 2024Applicant: GUANGDONG AGLAIA OPTOELECTRONIC MATERIALS CO., LTD.Inventors: Liangliang YAN, Shaofu CHEN, Lei DAI, Lifei CAI
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Publication number: 20240357921Abstract: A luminescent material made of platinum complex having NNCN tetradentate ligand, and applications thereof in light emitting diode are provided. The platinum complex is a compound has a structure as shown in Formula (I). When applied to an organic light emitting diode, and has the potential to be applied to the field of organic electroluminescent devices. An organic electroluminescent device is further provided, which includes a cathode, an anode and an organic layer. The organic layer is selected from the group consisting of an electron hole injection layer, an electron hole transport layer, a luminescent layer, an electron hole blocking layer, an electron transport layer, an electron injection layer, and any combination thereof. At least one of the organic layers contains a compound represented by structural formula (I).Type: ApplicationFiled: May 22, 2024Publication date: October 24, 2024Inventors: Xinwei Wu, Lei Dai, Lifei Cai
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Patent number: 12122795Abstract: Preparation of n{circumflex over (?)}n{circumflex over (?)}c{circumflex over (?)}n tetradentate platinum (ii) complex and uses thereof are provided. The complex of the present invention has a structure as shown in Formula (11). The performance of an organic electroluminescence device prepared from the complex of the present invention is better than that of a reference device. A great application value is realized on an OLED (organic light-emitting diode), and the N{circumflex over (?)}N{circumflex over (?)}C{circumflex over (?)}N tetradentate platinum (II) complex can be used as a phosphorescent doped material to manufacture an orange red light OLED device with a high luminous efficiency.Type: GrantFiled: November 2, 2019Date of Patent: October 22, 2024Assignee: GUANGDONG AGLAIA OPTOELECTRONIC MATERIALS CO., LTDInventors: Jian Kang, Lei Dai, Lifei Cai
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Publication number: 20240336836Abstract: The present invention relates to a metal iridium complex and an electroluminescent device. The metal iridium compound has a general formula of Ir(La)(Lb)(Lc), wherein La is a structure shown in formula (1), and Lb is a structure shown in formula (2). The compound provided in the present invention can be used in organic light-emitting devices, particularly as a red luminescent phosphorescent material, and has the potential to be applied to the AMOLED industry, particularly for display, lighting, and automobile taillights.Type: ApplicationFiled: May 8, 2024Publication date: October 10, 2024Applicant: GUANGDONG AGLAIA OPTOELECTRONIC MATERIALS CO., LTD.Inventors: Shaofu CHEN, Liangliang YAN, Lei DAI, Lifei CAI
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Patent number: 12114565Abstract: The invention provides an organic electroluminescent material and application thereof. The organic electroluminescent material of the invention contains pyrazine and cyano groups, has the structure of Formula (I). The organic electroluminescent device manufactured by doping with the compound of the invention can significantly improve the power efficiency, and can reduce the turn-on voltage.Type: GrantFiled: November 2, 2019Date of Patent: October 8, 2024Assignee: GUANGDONG AGLAIA OPTOELECTRONIC MATERIALS CO., LTDInventors: Huiyang Li, Lei Dai, Lifei Cai
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Publication number: 20240301284Abstract: The present disclosure relates to an organic compound and an electroluminescent device. The organic compound has the structure as shown in formula (1), which can be used in an organic electroluminescent device as a hole injection layer material.Type: ApplicationFiled: May 8, 2024Publication date: September 12, 2024Applicant: SICHUAN AG-RAY NEW MATERIALS CO., LTDInventors: Liangliang YAN, Shaofu CHEN, Lei DAI, Lifei CAI
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Publication number: 20240306488Abstract: The present application relates to a high-efficiency divalent platinum complex. The present application further provides an organic electroluminescent device, including a cathode, an anode, and an organic layer. The organic layer includes one or more of a hole injection layer, a hole transport layer, a light-emitting layer, a hole blocking layer, an electron injection layer, or an electron transport layer. At least one layer of the organic layer includes a compound of formula (I).Type: ApplicationFiled: May 7, 2024Publication date: September 12, 2024Inventors: Xinwei Wu, Huiyang Li, Lei Dai, Lifei Cai
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Publication number: 20240298541Abstract: The present invention relates to a series of organic electroluminescent materials containing B—N fused rings, which has a structure represented by Formula (I). Based on the principle of thermally activated delayed fluorescence (TADF), the materials have internal quantum efficiency of 100%. In addition, by utilizing a multiple resonance effect between B—N, the materials have small half-wave width and good color purity. With introduction of indolo[3,2,1-JK]carbazole, the multiple resonance effect is further enhanced, and the luminous efficiency and the color purity are significantly improved. Moreover, such compounds have good thermal stability and meet requirements of OLED panels for luminescent materials. The present invention further provides an organic electroluminescent device, and at least one of organic layers in the device contains the compound represented by Structural Formula (I).Type: ApplicationFiled: May 10, 2022Publication date: September 5, 2024Applicant: GUANGDONG AGLAIA OPTOELECTRONIC MATERIALS CO., LTD.Inventors: Keyan BAI, Kaichun LIANG, Shaofu CHEN, Lei DAI, Lifei CAI
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Publication number: 20240292732Abstract: The present invention relates to an organometallic iridium compound and application thereof. The organometallic iridium compound has a structure represented by Formula (1). The compound provided by the present invention has the advantages of high optical and electrochemical stability, narrow emission half-peak width, high color saturation, high luminous efficiency, long device service life and the like, and can be used in organic electroluminescent devices. In particular, the compound has the potential for application in the AMOLED industry as a green light-emitting dopant.Type: ApplicationFiled: February 26, 2022Publication date: August 29, 2024Applicant: GUANGDONG AGLAIA OPTOELECTRONIC MATERIALS CO., LTD.Inventors: Shaofu CHEN, Zhiqiao CHENG, Liangliang YAN, Lei DAI, Lifei CAI
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Publication number: 20240292731Abstract: The present invention relates to an organometallic compound and application thereof. The organometallic compound has a general formula of Ir(La)(Lb)(Lc), where La is a structure represented by Formula (1). The compound provided by the present invention has the advantages of high optical and electrical stability, narrow emission half-peak width, high color saturation, high luminous efficiency, long device service life and the like, and can be used in organic electroluminescent devices. In particular, the compound has the potential for application in the AMOLED industry as a green light-emitting dopant.Type: ApplicationFiled: February 26, 2022Publication date: August 29, 2024Applicant: GUANGDONG AGLAIA OPTOELECTRONIC MATERIALS CO., LTD.Inventors: Liangliang YAN, Lei DAI, Lifei CAI
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Publication number: 20240284775Abstract: The present invention relates to an organometallic compound and application thereof. The organometallic compound has a general formula of Ir(La)(Lb)(Lc), where La is a structure represented by Formula (1), and Lb is a structure represented by Formula (2). The compound provided by the present invention has the advantages of high optical and electrical stability, low sublimation temperature, narrow emission half-peak width, high color saturation, high luminous efficiency, long device service life and the like, and can be used in organic electroluminescent devices. In particular, the compound has the potential for application in the AMOLED industry as a red light-emitting dopant.Type: ApplicationFiled: June 11, 2022Publication date: August 22, 2024Applicant: SICHUAN AG-RAY NEW MATERIALS CO., LTDInventors: Liangliang YAN, Shaofu CHEN, Lei DAI, Lifei CAI
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Publication number: 20240276865Abstract: The present invention relates to an organometallic iridium compound and application thereof. The organometallic iridium compound has a general formula of Ir(La)(Lb)(Lc), where La is a structure represented by Formula (1), and Lb is a structure represented by Formula (2). The compound provided by the present invention has the advantages of high optical and electrical stability, low sublimation temperature, small emission half-peak width, high color saturation, high luminous efficiency, long device life and the like, and can be used in organic electroluminescent devices. In particular, the compound has the potential for application in the AMOLED industry as a red light-emitting dopant, especially in display, lighting and automobile taillights.Type: ApplicationFiled: February 26, 2022Publication date: August 15, 2024Applicant: GUANGDONG AGLAIA OPTOELECTRONIC MATERIALS CO., LTD.Inventors: Liangliang YAN, Fei NIE, Kangzhi YE, Lei DAI, Lifei CAI
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Patent number: 12060369Abstract: The invention provides an organic electroluminescent material, preparation method thereof and an organic electroluminescent device. The organic electroluminescent material of the invention is a class of compounds based on imidazole [1,5-a][1,8]naphthyridine, and has a structure presented by Formula (I) as below. The invention also provides application of the material in organic light-emitting diodes (OLED). The compound of the invention has high stability, and the organic electroluminescent device according to the invention has high efficiency.Type: GrantFiled: November 2, 2019Date of Patent: August 13, 2024Assignee: GUANGDONG AGLAIA OPTOELECTRONIC MATERIALS CO., LTDInventors: Jiahuan Peng, Huiyang Li, Lei Dai, Lifei Cai
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Publication number: 20240247018Abstract: The present invention relates to a heterocyclic modified platinum complex containing an ONCN tetradentate ligand, which has a structure as shown in Chemical Formula (I). The complex is used in organic light-emitting diodes, has a relatively low driving voltage and relatively high luminous efficiency, can significantly prolong the service life of a device, and has the potential for application in the field of organic electroluminescent devices. The present invention further provides an organic electroluminescent device including a cathode, an anode and an organic layer, the organic layer includes one or more layers of a hole injection layer, a hole transport layer, a light-emitting layer, a hole blocking layer, an electron transport layer and an electron injection layer, and at least one layer in the organic layer contains the compound as shown in Structural Formula (I).Type: ApplicationFiled: February 26, 2022Publication date: July 25, 2024Applicant: GUANGDONG AGLAIA OPTOELECTRONIC MATERIALS CO., LTD.Inventors: Xinwei WU, Wenping XIAO, Lei DAI, Lifei CAI
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Patent number: 12030898Abstract: The invention provides an organic electroluminescent material and application thereof in optoelectronic devices. The organic electroluminescent material according to the invention having the structure of Formula (I), the compound of which contains a unit formed by imidazole and indenopyrrole, with its spiro structure molecule that is beneficial to inhibit the stacking between molecules. The compound has better thermal stability and will be applied to organic electroluminescent devices with characteristics such as luminous efficiency and color purity, has the potential to be applied to organic electroluminescent devices. The invention further provides an optoelectronic device including a cathode, an anode, and an organic layer. The organic layer is one or more of a hole injection layer, a hole transport layer, a light-emitting layer, a hole-blocking layer, an electron injection layer, and an electron transport layer. At least one layer of the organic layer contains the compound having Formula (I).Type: GrantFiled: November 2, 2019Date of Patent: July 9, 2024Assignee: GUANGDONG AGLAIA OPTOELECTRONIC MATERIALS CO., LTDInventors: Huiyang Li, Lei Dai, Lifei Cai
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Publication number: 20240130216Abstract: The present invention relates to an iridium complex and application thereof. The iridium complex has a general formula of Ir(La)(Lb)(Lc), and has a structure as shown in a formula (1) as a ligand. The provided metal complex has the advantages of low sublimation temperature, good optical and electrical stability, high luminous efficiency, long service life, and high color saturation. The metal complex can be used in organic light-emitting devices, especially as a red light-emitting phosphorescent material, and has the potential of being applied in the AMOLED industry.Type: ApplicationFiled: October 24, 2021Publication date: April 18, 2024Applicant: GUANGDONG AGLAIA OPTOELECTRONIC MATERIALS CO., LTDInventors: Liangliang YAN, Lei DAI, Lifei CAI
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Publication number: 20240116966Abstract: The present invention relates to a binuclear metal platinum complex and application thereof. The binuclear metal platinum complex is a compound having a structure of a chemical formula (I). The compound is applied in an organic light-emitting diode, has lower driving voltage and higher luminous efficiency, and can significantly improve the service life of a device, thus having the potential of being applied in the field of display panels. The present invention further provides an organic light-emitting diode including a cathode, an anode, and an organic layer. The organic layer is one or more of a hole injection layer, a hole transport layer, a light-emitting layer, a hole blocking layer, an electron transport layer, and an electron injection layer. At least one of the organic layers includes the compound of the structural formula (I).Type: ApplicationFiled: October 24, 2021Publication date: April 11, 2024Applicant: GUANGDONG AGLAIA OPTOELECTRONIC MATERIALS CO., LTDInventors: Huiyang LI, Xinwei WU, Lei DAI, Lifei CAI
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Publication number: 20240051980Abstract: The present disclosure relates to an organometallic compound and application thereof. The organometallic compound has a structure as shown in a formula (1). The compound provided by the present disclosure has the advantages of high optical and electrochemical stability, small half-peak width of emission spectrum, high color saturation, high luminous efficiency and long device service life, and can be used in organic electroluminescent devices. In particular, the compound has the potential for application in the AMOLED industry as a green light-emitting dopant.Type: ApplicationFiled: August 15, 2021Publication date: February 15, 2024Applicant: GUANGDONG AGLAIA OPTOELECTRONIC MATERIALS CO., LTDInventors: Liangliang YAN, Lei DAI, Lifei CAI
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Publication number: 20240040925Abstract: The present invention relates to a metal complex and application thereof. The metal complex has a general formula of Ir(La)(Lb)(Lc) and a structure as shown in a formula (1). The metal complex has the advantages of low sublimation temperature, good optical and electrical stability, high luminous efficiency, long service life, and high color saturation, and can be used in organic light-emitting devices. The metal complex can particularly serve as a red light-emitting phosphorescent material, and has the potential of being applied in the AMOLED industry.Type: ApplicationFiled: October 24, 2021Publication date: February 1, 2024Applicant: GUANGDONG AGLAIA OPTOELECTRONIC MATERIALS CO., LTDInventors: Liangliang YAN, Lei DAI, Lifei CAI
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Publication number: 20240032414Abstract: The present invention relates to a platinum complex having an ONCN tetradentate ligand and containing carbazole, and the platinum complex has a structure as shown in a formula (I). The complex has bright green light emission wavelengths, and can be used in the field of OLED organic electroluminescent materials. By means of the structural design, the present invention can improve the heavy atomic effect of phosphorescent materials, enhance spin-spin coupling, and achieve high-efficiency conversion of T1-S0, thereby achieving high luminous efficiency. Moreover, a platinum complex molecule having an ONCN tetradentate ligand has simple synthetic steps and may modifiable sites. The steric hindrance added by the carbazole group contained can effectively reduce the aggregation effect between molecules, avoid the formation of an exciplex, and further improve the color purity and the luminous efficiency.Type: ApplicationFiled: October 24, 2021Publication date: January 25, 2024Applicant: GUANGDONG AGLAIA OPTOELECTRONIC MATERIALS CO., LTDInventors: Xinwei WU, Huiyang LI, Lei DAI, Lifei CAI