Patents by Inventor Longfei FAN
Longfei FAN 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: 20240074294Abstract: A display module, including: a display panel; and a color film layer and a micro-lens layer, provided on a light-emitting side of the display panel; where, the color film layer includes a plurality of filter portions, and the micro-lens layer includes a plurality of first converging lenses and a plurality of second converging lenses; a gap is provided between two adjacent first converging lenses, and an orthographic projection of a first converging lens on the display panel is located within an orthographic projection of a filter portion on the display panel; a second converging lens is provided in the gap between two adjacent first converging lenses, and a vertex of the second converging lens is located between a vertex of the first converging lens and a bottom surface of the first converging lens.Type: ApplicationFiled: September 7, 2022Publication date: February 29, 2024Inventors: Zhijian ZHU, Pengcheng LU, Shengji YANG, Kuanta HUANG, Xiaochuan CHEN, Qian WU, Longfei FAN, Dacheng ZHANG
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Patent number: 11875239Abstract: Computer-implemented machines, systems and methods for managing missing values in a dataset for a machine learning model. The method may comprise importing a dataset with missing values; computing data statistics and identifying the missing values; verifying the missing values; updating the missing values; imputing missing values; encoding reasons for why values are missing; combining imputed missing values and the encoded reasons; and recommending models and hyperparameters to handle special or missing values.Type: GrantFiled: January 30, 2023Date of Patent: January 16, 2024Assignee: FAIR ISAAC CORPORATIONInventors: Chong Huang, Arash Nourian, Feier Lian, Longfei Fan, Kevin Griest, Jari Koister, Andrew Flint
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Publication number: 20230312807Abstract: Disclosed are a spandex fiber with a reversible triple-shape memory effect and a preparation method thereof. In the present disclosure, the spandex fiber includes the following raw materials in parts by weight: 3 parts to 100 parts of a crystalline polyester diol or a crystalline polyether diol, 1 part to 30 parts of a diisocyanate, 0.1 parts to 15 parts of a polyurethane chain extender, and 0.2 parts to 11 parts of a polyurethane cross-linking agent, where the crystalline polyester diol or the crystalline polyether diol has a number-average molecular weight of 1,000-10,000 Daltons. The spandex fiber has a reversible deformation process, shows an ability to transform between “stretched” and “shortened” states infinitely under the action of a temperature field, and can memorize two temporary shapes. Moreover, the spandex fiber has easily accessible raw materials and a simple preparation method, and is suitable for large-scale industrial production.Type: ApplicationFiled: June 8, 2023Publication date: October 5, 2023Applicant: Wuyi UniversityInventors: Longfei Fan, Lei Min, Hui Yu, Yuxiao Wu
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Patent number: 11763721Abstract: A display panel is provided. The display panel includes a driving back plate and a pixel layer disposed on a side of the driving back plate. The pixel layer includes a plurality of pixels, and the pixel includes m color sub-pixels for emitting color light and k white sub-pixels for emitting white light, wherein m and k are both integers greater than 1. The k white sub-pixels are configured to adjust the luminance of the pixel.Type: GrantFiled: March 1, 2022Date of Patent: September 19, 2023Assignees: Yunnan Invensight Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Qian Wu, Pengcheng Lu, Zhijian Zhu, Chenyu Chen, Yunlong Li, Dongsheng Li, Wei Liu, Longfei Fan, Rongfei Chen, Dacheng Zhang, Yuanlan Tian
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Publication number: 20230177397Abstract: Computer-implemented machines, systems and methods for managing missing values in a dataset for a machine learning model. The method may comprise importing a dataset with missing values; computing data statistics and identifying the missing values; verifying the missing values; updating the missing values; imputing missing values; encoding reasons for why values are missing; combining imputed missing values and the encoded reasons; and recommending models and hyperparameters to handle special or missing values.Type: ApplicationFiled: January 30, 2023Publication date: June 8, 2023Inventors: Chong Huang, Arash Nourian, Feier Lian, Longfei Fan, Kevin Griest, Jari Koister, Andrew Flint
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Publication number: 20230142473Abstract: A display panel includes a plurality of first pixel units, each of the first pixel units including a first sub-pixel, a second sub-pixel, a third sub-pixel and a fourth sub-pixel of different colors, and the four sub-pixels including a white sub-pixel. In each of the first pixel units, the four sub-pixels are arranged in two rows and two columns, the first sub-pixel and the fourth sub-pixel are diagonally located and centrally symmetric, the second sub-pixel and the third sub-pixel are diagonally located and centrally symmetric, the first pixel unit composed of the four sub-pixels is formed in a hexagon as a whole, and the first pixel unit has at least two obtuse angles or two arc edges protruding toward a direction away from a center of the first pixel unit.Type: ApplicationFiled: November 11, 2021Publication date: May 11, 2023Applicants: Yunnan Invensight Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Zhijian ZHU, Pengcheng LU, Chenyu CHEN, Yunlong LI, Dongsheng LI, Wei LIU, Longfei FAN, Qian WU, Rongfei CHEN, Yuanlan TIAN, Dacheng ZHANG
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Patent number: 11645581Abstract: Computer-implemented machines, systems and methods for providing insights about a machine learning model, the machine learning model trained, during a training phase, to learn patterns to correctly classify input data associated with risk analysis. Analyzing one or more features of the machine learning model, the one or more features being defined based on one or more constraints associated with one or more values and relationships and whether said one or more values and relationships satisfy at least one of the one or more constraints. Displaying one or more visual indicators based on an analysis of the one or more features and training data used to train the machine learning model, the one or more visual indicators providing a summary of the machine learning model's performance or efficacy.Type: GrantFiled: February 7, 2020Date of Patent: May 9, 2023Assignee: Fair Isaac CorporationInventors: Arash Nourian, Longfei Fan, Feier Lian, Kevin Griest, Jari Koister, Andrew Flint
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Patent number: 11568187Abstract: Computer-implemented machines, systems and methods for managing missing values in a dataset for a machine learning model. The method may comprise importing a dataset with missing values; computing data statistics and identifying the missing values; verifying the missing values; updating the missing values; imputing missing values; encoding reasons for why values are missing; combining imputed missing values and the encoded reasons; and recommending models and hyperparameters to handle special or missing values.Type: GrantFiled: February 10, 2020Date of Patent: January 31, 2023Assignee: FAIR ISAAC CORPORATIONInventors: Chong Huang, Arash Nourian, Feier Lian, Longfei Fan, Kevin Griest, Jari Koister, Andrew Flint
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Patent number: 11568286Abstract: Computer-implemented machines, systems and methods for providing insights about a machine learning model, the machine learning model trained, during a training phase, to learn patterns to correctly classify input data associated with risk analysis. Analyzing one or more features of the machine learning model, the one or more features being defined based on one or more constraints associated with one or more values and relationships and whether said one or more values and relationships satisfy at least one of the one or more constraints. Displaying one or more visual indicators based on an analysis of the one or more features and training data used to train the machine learning model, the one or more visual indicators providing a summary of the machine learning model's performance or efficacy.Type: GrantFiled: January 31, 2019Date of Patent: January 31, 2023Assignee: FAIR ISAAC CORPORATIONInventors: Arash Nourian, Richard Spjut, Longfei Fan, Parama Dutta, Jari Koister, Andrew Flint
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Publication number: 20220399426Abstract: This disclosure provides a display device, a display panel, and a fabrication method thereof. The display panel includes a driving backplane, a first electrode layer, a pixel definition layer, a light-emitting functional layer, and a second electrode layer. The first electrode layer is arranged on a side surface of the driving backplane and includes a first electrode and a transferring ring. The pixel definition layer covers the first electrode layer and the driving backplane. The light-emitting functional layer is arranged on a surface of the first electrode layer facing away from the driving backplane, and the light-emitting functional layer is in a range of a transferring area of the driving backplane. The second electrode layer covers the pixel definition layer and the light-emitting functional layer. A boundary of the second electrode layer is inside a boundary of the pixel definition layer and is connected with the transferring ring.Type: ApplicationFiled: December 16, 2020Publication date: December 15, 2022Inventors: Yunlong LI, Pengcheng LU, Longfei FAN, Dongsheng LI, Zhijian ZHU, Yuanlan TIAN
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Publication number: 20220344428Abstract: A display panel and a display device, the display panel includes a sub-pixel, wherein the sub-pixel includes a pixel circuit and a light emitting element, the pixel circuit includes a data writing sub-circuit, a storage sub-circuit and a driving sub-circuit. The storage sub-circuit includes a storage capacitor (Cst) including a first capacitor electrode and a second capacitor electrode, the second capacitor electrode includes a first region, a second region and a third region, a carrier mobility in the second region is different from a carrier mobility in the first and third regions, and an area of the second region is larger than an area of the first and third regions. The control electrode of the driving sub-circuit and the first capacitor electrode are disposed in the same layer and implemented as an integral structure.Type: ApplicationFiled: February 23, 2021Publication date: October 27, 2022Inventors: Qian Wu, Longfei Fan, Pengcheng Lu, Xiaochuan Chen
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Publication number: 20220344425Abstract: A display panel and a display apparatus are provided. The display panel includes a base substrate including a pixel circuit and a light-emitting element. The pixel circuit includes a data writing sub-circuit, a storage sub-circuit, a driver sub-circuit and a first sub-circuit. The data writing sub-circuit is configured to transmit a data signal to a first terminal of the storage sub-circuit in response to a control signal. A control electrode of the driver sub-circuit is coupled to the storage sub-circuit, a first electrode of the driver sub-circuit is configured to receive a first power supply voltage, and a second electrode is coupled to a first electrode of the light-emitting element. The first sub-circuit includes a first transistor, where a gate and a first electrode of the first transistor are both coupled to the same electrode of the driver sub-circuit.Type: ApplicationFiled: February 20, 2021Publication date: October 27, 2022Inventors: Zhijian Zhu, Longfei Fan, Pengcheng Lu, Xiaochuan Chen, Qian Wu
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Patent number: 11462590Abstract: Display screens and display devices are disclosed. The display screen includes: a first display region, a second display region adjacent to the first display region, and a third display region adjacent to the second display region. A sub-pixel density of the first display region is smaller than a sub-pixel density of the second display region. The sub-pixel density of the second display region is smaller than a sub-pixel density of the third display region. The display screens and the display devices according to the present application can improve the user experience.Type: GrantFiled: July 4, 2019Date of Patent: October 4, 2022Assignees: YUNGU (GU'AN) TECHNOLOGY CO., LTD., KUNSHAN GO-VISIONOX OPTO-ELECTRONICS CO., LTD.Inventors: Longfei Fan, Hui Zhu, Mingxing Liu
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Publication number: 20220293031Abstract: A display panel is provided. The display panel includes a driving back plate and a pixel layer disposed on a side of the driving back plate. The pixel layer includes a plurality of pixels, and the pixel includes m color sub-pixels for emitting color light and k white sub-pixels for emitting white light, wherein m and k are both integers greater than 1. The k white sub-pixels are configured to adjust the luminance of the pixel.Type: ApplicationFiled: March 1, 2022Publication date: September 15, 2022Inventors: Qian Wu, Pengcheng Lu, Zhijian Zhu, Chenyu Chen, Yunlong Li, Dongsheng Li, Wei Liu, Longfei Fan, Rongfei Chen, Dacheng Zhang, Yuanlan Tian
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Patent number: 11436978Abstract: A pixel circuit includes a light-emitting module, a drive module configured to drive the light-emitting module to emit light according to a voltage of a control terminal of the drive module, a storage module configured to store the voltage of the control terminal of the drive module, and a leakage current suppression module electrically connected to the control terminal of the drive module and configured to maintain a potential of the control terminal of the drive module.Type: GrantFiled: June 16, 2021Date of Patent: September 6, 2022Assignee: HEFEI VISIONOX TECHNOLOGY CO., LTD.Inventors: Longfei Fan, Longyan Wang, Pei Duan, Hui Zhu, Zhenzhen Han, Siming Hu, Lu Zhang, Jianlong Wu
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Patent number: 11361708Abstract: A pixel circuit, a pixel driving method and a display device are provided in the present disclosure. The pixel circuit includes a light-emitting element, a pixel driving circuit, an on-off control circuit and a light-emission time control circuit. A control terminal of the on-off control circuit is electrically coupled to the light-emission time control circuit, and the on-off control circuit is configured to control a driving current output terminal to be coupled to, or decoupled from, the light-emitting element under the control of a potential at the control terminal of the on-off control circuit. The light-emission time control circuit is configured to control an nth light-emission time control signal output terminal to be coupled to, or decoupled from, the control terminal of the on-off control circuit in accordance with an nth light-emission control data voltage under the control of a second gate driving signal. N is an integer larger than 1, and n is a positive integer smaller than or equal to N.Type: GrantFiled: May 4, 2021Date of Patent: June 14, 2022Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Qian Wu, Longfei Fan
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Publication number: 20220101776Abstract: A pixel circuit, a pixel driving method and a display device are provided in the present disclosure. The pixel circuit includes a light-emitting element, a pixel driving circuit, an on-off control circuit and a light-emission time control circuit. A control terminal of the on-off control circuit is electrically coupled to the light-emission time control circuit, and the on-off control circuit is configured to control a driving current output terminal to be coupled to, or decoupled from, the light-emitting element under the control of a potential at the control terminal of the on-off control circuit. The light-emission time control circuit is configured to control an nth light-emission time control signal output terminal to be coupled to, or decoupled from, the control terminal of the on-off control circuit in accordance with an nth light-emission control data voltage under the control of a second gate driving signal. N is an integer larger than 1, and n is a positive integer smaller than or equal to N.Type: ApplicationFiled: May 4, 2021Publication date: March 31, 2022Inventors: Qian WU, Longfei FAN
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Publication number: 20210312866Abstract: A pixel circuit includes a light-emitting module, a drive module configured to drive the light-emitting module to emit light according to a voltage of a control terminal of the drive module, a storage module configured to store the voltage of the control terminal of the drive module, and a leakage current suppression module electrically connected to the control terminal of the drive module and configured to maintain a potential of the control terminal of the drive module.Type: ApplicationFiled: June 16, 2021Publication date: October 7, 2021Applicant: HEFEI VISIONOX TECHNOLOGY CO., LTD.Inventors: Longfei FAN, Longyan WANG, Pei DUAN, Hui ZHU, Zhenzhen HAN, Siming HU, Lu ZHANG, Jianlong WU
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Patent number: 11132160Abstract: The present disclosure relates to a display screen and an electronic terminal. The display screen includes a display region including a first display area and a second display area. The first display area has a screen as a first screen, and the second display area has a screen as a second screen. A light transmittance of the first screen is greater than a light transmittance of the second screen. The electronic terminal includes a terminal body, the above display screen, a front device and a control device. The above display screen and electronic terminal can improve the full screen display effect.Type: GrantFiled: October 8, 2019Date of Patent: September 28, 2021Assignee: YUNGU (GU'AN) TECHNOLOGY CO., LTD.Inventors: Longfei Fan, Hui Zhu
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Patent number: 11056061Abstract: The present disclosure relates to an array substrate, including a display area and a non-display area arranged around the display area. The display area includes a plurality of pixel circuits arranged in an array and a first signal line connecting to the pixel circuits. The non-display area includes at least one common circuit and a data driving chip. Each of the common circuits is connected to the pixel circuit through the first signal line, and is configured to provide an initialization signal and a data signal for the pixel circuit. The data driving chip is connected to the common circuit through a second signal line and a third signal line.Type: GrantFiled: April 2, 2020Date of Patent: July 6, 2021Assignee: KUNSHAN GO-VISIONOX OPTO-ELECTRONICS CO., LTD.Inventors: Longfei Fan, Hui Zhu