Patents by Inventor Shipan WANG
Shipan WANG 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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Patent number: 11690241Abstract: An embodiment of the present invention provides a display panel. The display panel includes a driving circuit layer, a first electrode layer, an auxiliary electrode layer, a pixel definition layer, and an electron transport layer disposed in a stack. The electron transport layer is connected to the auxiliary electrode layer through a first via hole defined on the pixel definition layer. By setting an energy level difference between a lowest unoccupied molecular orbital of the electron transport layer and a work function of the auxiliary electrode layer to 2.0 eV or less, it reduces an injection barrier between the auxiliary electrode layer and the electron transport layer, and relieves unevenness of luminescence of the display panel.Type: GrantFiled: May 21, 2020Date of Patent: June 27, 2023Inventors: Shipan Wang, Ting Shi, Weiran Cao
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Patent number: 11437577Abstract: An organic light emitting diode display device and a method of fabricating same are provided. The organic light emitting diode display includes an electron transport layer disposed on a light emitting layer, and material of the electron transport layer comprises a soluble organic electron transport material. The electron transport layer can be formed by ink and by inkjet printing.Type: GrantFiled: October 11, 2019Date of Patent: September 6, 2022Assignee: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventor: Shipan Wang
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Patent number: 11359106Abstract: The present disclosure relates to an inkjet printing ink and application thereof. In one aspect, the inkjet printing ink includes a crosslinking type organic host material, an organic doped luminescent material, a surface tension modifier, a viscosity modifier, and a solvent. On the other aspect, the present disclosure provides printing the inkjet printing ink on a substrate of a display panel to be prepared, performing drying process, and performing baking process at 120° C. to form an organic light emitting layer. Therefore, avoiding the problem of mutual dissolution of the organic light emitting layer and the electron transport layer when the electron transport layer is printed on the organic light emitting layer, avoiding damage to the organic light emitting layer, realize an inkjet printing process of the organic electron transport layer, thereby reducing the cost of manufacturing.Type: GrantFiled: November 6, 2019Date of Patent: June 14, 2022Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventor: Shipan Wang
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Publication number: 20220140240Abstract: An organic light emitting diode display device and a method of fabricating same are provided. The organic light emitting diode display includes an electron transport layer disposed on a light emitting layer, and material of the electron transport layer comprises a soluble organic electron transport material. The electron transport layer can be formed by ink and by inkjet printing.Type: ApplicationFiled: October 11, 2019Publication date: May 5, 2022Inventor: Shipan WANG
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Patent number: 11316122Abstract: The present invention provides an OLED display panel and a manufacturing thereof, and an OLED device. The OLED display panel adopts organic host materials, organic light-emitting materials, and amorphous fluoropolymers to produce a light-emitting layer, so that amorphous polymers improve thermal stability and solvent resistance of the light-emitting layer, and the light-emitting layer is not damaged by solvents when an electron transport layer is formed by solvents, thereby resolving the process of processing OLED devices by solvents having damage to the light-emitting layer causing poor display performance in the prior art.Type: GrantFiled: November 25, 2019Date of Patent: April 26, 2022Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventor: Shipan Wang
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Patent number: 11289672Abstract: An organic light emitting diode display device and a method of manufacturing thereof are provided. An electron transport layer ink droplet is formed on a surface of the first solvent ink droplet by forming a first solvent ink droplet on a surface of the organic light emitting layer. Thus, the first solvent constituting the first solvent ink droplet and the second solvent of the electron transport layer ink droplet are evaporated to form the electron transport layer.Type: GrantFiled: July 29, 2019Date of Patent: March 29, 2022Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventor: Shipan Wang
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Publication number: 20220037610Abstract: An organic light emitting diode display device and a method of manufacturing thereof are provided. An electron transport layer ink droplet is formed on a surface of the first solvent ink droplet by forming a first solvent ink droplet on a surface of the organic light emitting layer. Thus, the first solvent constituting the first solvent ink droplet and the second solvent of the electron transport layer ink droplet are evaporated to form the electron transport layer.Type: ApplicationFiled: July 29, 2019Publication date: February 3, 2022Applicant: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTDInventor: Shipan Wang
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Patent number: 11192901Abstract: A nitrogen-containing heterocyclic organic compound and an organic electroluminescent device are provided. The nitrogen-containing heterocyclic organic compound has a structure represented by the following general formula (I): and X is N or CH; Y is a single bond, O, S, an imino, a methylene, a methylidenesilane group, a substituted imino, a substituted methylene, or a substituted methylidenesilane group, the substituents in the substituted imino, and the substituted methylene; L, Ar1, and Ar2 are each independently selected from one of a C6-C30 aryl, a C3-C30 heteroaryl, a substituted C6-C30 aryl, and a substituted C3-C30 heteroaryl; n is an integer from 0 to 3; R1 to R8 are each independently selected from one of a hydrogen, a deuteron, a halogen, a C1-C30 alkyl, a C1-C30 alkyl substituted with a heteroatom, a C6-C30 aryl, and a C3-C30 heteroaryl.Type: GrantFiled: July 25, 2019Date of Patent: December 7, 2021Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventor: Shipan Wang
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Publication number: 20210351371Abstract: An embodiment of the present invention provides a display panel. The display panel includes a driving circuit layer, a first electrode layer, an auxiliary electrode layer, a pixel definition layer, and an electron transport layer disposed in a stack. The electron transport layer is connected to the auxiliary electrode layer through a first via hole defined on the pixel definition layer. By setting an energy level difference between a lowest unoccupied molecular orbital of the electron transport layer and a work function of the auxiliary electrode layer to 2.0 eV or less, it reduces an injection barrier between the auxiliary electrode layer and the electron transport layer, and relieves unevenness of luminescence of the display panel.Type: ApplicationFiled: May 21, 2020Publication date: November 11, 2021Applicant: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventors: Shipan WANG, Ting SHI, Weiran CAO
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Publication number: 20210332066Abstract: A nitrogen-containing heterocyclic organic compound and an organic electroluminescent device are provided. The nitrogen-containing heterocyclic organic compound has a structure represented by the following general formula (I): and X is N or CH; Y is a single bond, O, S, an imino, a methylene, a methylidenesilane group, a substituted imino, a substituted methylene, or a substituted methylidenesilane group, the substituents in the substituted imino, and the substituted methylene; L, Ar1, and Ar2 are each independently selected from one of a C6-C30 aryl, a C3-C30 heteroaryl, a substituted C6-C30 aryl, and a substituted C3-C30 heteroaryl; n is an integer from 0 to 3; R1 to R8 are each independently selected from one of a hydrogen, a deuteron, a halogen, a C1-C30 alkyl, a C1-C30 alkyl substituted with a heteroatom, a C6-C30 aryl, and a C3-C30 heteroaryl.Type: ApplicationFiled: July 25, 2019Publication date: October 28, 2021Inventor: Shipan Wang
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Publication number: 20210336177Abstract: An OLED display panel and an OLED display device are disclosed. The OLED display panel enhances electron transport efficiency by providing an interface layer between a light-emitting layer and a common electrode layer, thereby increasing the electron transport efficiency. The effect of injection of electrons into the light-emitting layer is improved, so that the light-emitting layer has an improved light-emitting effect to enhance display effect and to solve the technical problem of poor display effect of the current OLED display panel resulting from the poor effect of injection of electrons into the light-emitting layer.Type: ApplicationFiled: November 18, 2019Publication date: October 28, 2021Applicant: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventors: Ting Shi, Shipan Wang
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Publication number: 20210328167Abstract: The present invention provides an OLED display panel and a manufacturing thereof, and an OLED device. The OLED display panel adopts organic host materials, organic light-emitting materials, and amorphous fluoropolymers to produce a light-emitting layer, so that amorphous polymers improve thermal stability and solvent resistance of the light-emitting layer, and the light-emitting layer is not damaged by solvents when an electron transport layer is formed by solvents, thereby resolving the process of processing OLED devices by solvents having damage to the light-emitting layer causing poor display performance in the prior art.Type: ApplicationFiled: November 25, 2019Publication date: October 21, 2021Applicants: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD., SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventor: Shipan WANG
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Publication number: 20200362185Abstract: The present disclosure relates to an inkjet printing ink and application thereof. In one aspect, the inkjet printing ink includes a crosslinking type organic host material, an organic doped luminescent material, a surface tension modifier, a viscosity modifier, and a solvent. On the other aspect, the present disclosure provides printing the inkjet printing ink on a substrate of a display panel to be prepared, performing drying process, and performing baking process at 120° C. to form an organic light emitting layer. Therefore, avoiding the problem of mutual dissolution of the organic light emitting layer and the electron transport layer when the electron transport layer is printed on the organic light emitting layer, avoiding damage to the organic light emitting layer, realize an inkjet printing process of the organic electron transport layer, thereby reducing the cost of manufacturing.Type: ApplicationFiled: November 6, 2019Publication date: November 19, 2020Inventor: Shipan WANG