Patents by Inventor Dan Wang
Dan 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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Publication number: 20250131756Abstract: The text recognition method includes: acquiring a first high-frequency feature map and a first low-frequency feature map of a target image; performing an M-level convolution process on the first high-frequency feature map and the first low-frequency feature map by M cascaded convolution modules to obtain M pairs of target high-frequency feature map and target low-frequency feature map of the target image, where M is a positive integer; merging the M pairs of target high-frequency feature map and target low-frequency feature map to obtain a target feature map of the target image; determining a probability map and a threshold map of the target image based on the target feature map, and calculating a binarization map of the target image based on the probability map and the threshold map; and determining a text area in the target image based on the binarization map, and recognizing text information in the text area.Type: ApplicationFiled: November 23, 2021Publication date: April 24, 2025Applicant: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Guangwei HUANG, Fengshuo HU, Yanjiao WANG, Dan WANG, Xiaoyan HAN, Peihuan YANG, Fanhao KONG
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Publication number: 20250133898Abstract: A light-emitting device includes at least one light-emitting unit. A light-emitting layer of the at least one light-emitting unit includes a first host material, a second host material, and a first light-emitting material. Photons emitted by the first light-emitting material include photons emitted due to energy obtained by fluorescence resonance energy transfer of the first and/or second host material and photons emitted due to excitons formed by recombination of electrons and holes. A ratio of a number of the photons emitted by the first light-emitting material to a number of photons emitted by the light-emitting layer is greater than 80%; a ratio of a number of the photons emitted by the first light-emitting material due to the energy obtained by fluorescence resonance energy transfer of the first and/or second host material to the number of the photons emitted by the first light-emitting material is greater than 60%.Type: ApplicationFiled: May 17, 2023Publication date: April 24, 2025Applicant: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Haiyan SUN, Xiaojin ZHANG, Dan WANG
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Patent number: 12274837Abstract: A catheter fixer is disclosed that comprises a base (1) and wing fixing portions (2). The base comprises an adhering surface and a fixing surface (11), and the adhering surface is configured to adhere the base to the skin. The wing fixing portions are configured to detachably fix wings on the fixing surface. The wings of the catheter are fixed to the base through the wing fixing portions, and an adhesive tape is disposed on a side of the base facing the skin, such that the adhesive tape is prevented from being adhered to the catheter, thereby avoiding leaving adhesive tape residue on the catheter.Type: GrantFiled: November 22, 2019Date of Patent: April 15, 2025Assignee: Solventum Intellectual Properties CompanyInventors: Yang Zheng, Ce Shang, Haiping Cao, Jun Nie, Dan Wang, Yue Chen
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Publication number: 20250106061Abstract: A meeting robot method and system is provided. In one embodiment, a meeting substitute system includes processing circuitry configured to cause the meeting substitute system to obtain information related to a meeting request, the information associated with a teleconference meeting and the information including a date and a time for the teleconference meeting; as a result of a trigger, automatically: join the teleconference meeting at the date and the time; and during the joined teleconference meeting, capturing a set of meeting data for the teleconference meeting, the captured set of meeting data comprising at least one of a video recording and an audio recording of the teleconference meeting and a speech-to-text translation; and generate a meeting summary based at least in part on the captured set of meeting data for the teleconference meeting.Type: ApplicationFiled: December 10, 2024Publication date: March 27, 2025Inventors: Dan WANG, Ghassan ABDALLAH, Baosheng XU, Bin LIU, Weizhen NIE
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Publication number: 20250099063Abstract: A X-ray dose adjustment method for a medical imaging system may include: acquiring a first image which is captured by the medical imaging system and comprises a region to be examined; subjecting the first image to image segmentation on the basis of a grayscale value of the first image to acquire a first sub-region and a second sub-region, wherein a grayscale value of the first sub-region is greater than a grayscale value of the second sub-region; determining at least one of the first sub-region and the second sub-region to be a target region on the basis of a comparison of the grayscale value of the first sub-region with a first grayscale threshold; and performing dose adjustment on the basis of the target region.Type: ApplicationFiled: September 23, 2024Publication date: March 27, 2025Applicant: Siemens Healthineers AGInventors: Bei Ni, Yu Dan Wang
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Patent number: 12262575Abstract: Provided is a display substrate including a base substrate, an anode layer, a light-emitting layer, an electron diffusion layer, a hole block layer and a cathode layer which are sequentially stacked along a direction away from the base substrate, wherein a material of the electron diffusion layer comprises a first luminescent material, and a transport speed of holes generated by the anode layer in the electron diffusion layer is less than a transport speed of the holes in the light-emitting layer.Type: GrantFiled: August 7, 2020Date of Patent: March 25, 2025Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Haiyan Sun, Xiaojin Zhang, Dan Wang, Changho Lee
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Patent number: 12257265Abstract: Disclosed are a cyclic dinucleotide prodrug molecule, a preparation method therefor and an application thereof relating to the field of pharmaceuticals. The cyclic dinucleotide prodrug molecule has a structure shown in formula I, II, or III, can freely cross cell membranes and release cyclic dinucleotide, and has high cell activity.Type: GrantFiled: January 10, 2020Date of Patent: March 25, 2025Assignee: SHENZHEN YING BIOPHARMACEUTICAL CO., LTDInventors: Zhen Xi, Zhenghua Wang, Dan Wang
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Publication number: 20250098400Abstract: A light-emitting device is provided, and the light-emitting device includes a first electrode, a second electrode and at least two light-emitting units. The first electrode and the second electrode are arranged in a first direction in sequence. The at least two light-emitting units are disposed between the first electrode and the second electrode, and are arranged in a second direction, and the second direction intersects the first direction. Photons emitted by each light-emitting unit of the at least two light-emitting units include first luminescent photons and second luminescent photons. Emission time of the first luminescent photons is less than emission time of the second luminescent photons. The number of second luminescent photons emitted by at least one light-emitting unit is less than or equal to the number of first luminescent photons emitted by the at least one light-emitting unit.Type: ApplicationFiled: May 17, 2023Publication date: March 20, 2025Applicant: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Haiyan SUN, Xiaojin ZHANG, Dan WANG
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Publication number: 20250089441Abstract: A light emitting diode is provided. The light emitting diode includes a hole injection layer; and at least one of a hole transport layer or an electron barrier layer. The hole injection layer includes a host material doped with a guest material. The host material includes an aromatic material having one or more large steric hindrance groups.Type: ApplicationFiled: December 21, 2022Publication date: March 13, 2025Applicant: BOE Technology Group Co., Ltd.Inventors: Lei Chen, Dan Wang, Xueqin Chen, Lixia Qiu
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Publication number: 20250081734Abstract: Provided is a display panel. The display panel includes: a base substrate; a plurality of light-emitting devices on a side of the base substrate; a package layer on a side of the plurality of light-emitting devices, wherein the package layer is configured to package the light-emitting devices; a hydrophilic layer on a side of the package layer, wherein the hydrophilic layer is in direct contact with the package layer; an isolation portion on a side of the hydrophilic layer, wherein a plurality of apertures are defined in the isolation portion; and a light conversion structure in the plurality of apertures, wherein the light conversion structure includes a transparent medium layer made of a hydrophilic material and a plurality of particles dispersed in the transparent medium layer, and a face, close to the base substrate, of the transparent medium layer is in direct contact with the hydrophilic layer.Type: ApplicationFiled: December 21, 2022Publication date: March 6, 2025Inventors: Cheng ZENG, Jaeho LEE, Dongyu GAO, Dan WANG, Lulin MA, Zhenye WEI, Qiyun WANG
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Publication number: 20250081722Abstract: The present disclosure provides a light emitting device and a display panel, and belongs to the field of display technology. The light emitting device includes an anode, a cathode, a plurality of light emitting units between the anode and the cathode, and a charge separation generation unit between every two adjacent light emitting units; the plurality of light emitting units include a first light emitting unit and a second light emitting unit, and the first light emitting unit is closer to the anode than the second light emitting unit; and the first light emitting unit at least includes a first electron transport sub-unit, the second light emitting unit at least includes a second electron transport sub-unit, and a thickness of the first electron transport sub-unit is less than that of the second electron transport sub-unit.Type: ApplicationFiled: February 28, 2023Publication date: March 6, 2025Inventors: Xueqin CHEN, Lei CHEN, Dan WANG, Lixia QIU
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Publication number: 20250081846Abstract: An organic light emitting device includes an anode, a cathode, and a first hole transport layer and a first light emitting layer arranged between the anode and the cathode, wherein the first hole transport layer is located between the first light emitting layer and the anode; the first hole transport layer at least includes a first hole sublayer and a second hole sublayer; a material of the first hole sublayer includes a first material and a second material, and a material of the second hole sublayer includes at least one of the first material and the second material.Type: ApplicationFiled: November 29, 2022Publication date: March 6, 2025Inventors: Rongrong GAO, Dan WANG, Lei CHEN, Lixia QIU, Yuqian SUN
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Publication number: 20250081819Abstract: Provided is a display panel. The display panel includes: a base substrate, a plurality of light-emitting devices, a package layer, a hydrophobic layer, an isolation portion, and a light conversion structure; wherein the light-emitting devices are disposed on a side of the base substrate; the package layer is disposed on a side of the light-emitting devices and configured to package the light-emitting devices; the hydrophobic layer is disposed on a side of the package layer and in direct contact with the package layer; the isolation portion is disposed on a side of the hydrophobic layer, wherein a plurality of apertures are defined in the isolation portion; and the light conversion structure is disposed in the apertures and includes a transparent medium layer and a plurality of particles, and a face of the transparent medium layer is in direct contact with the hydrophobic layer.Type: ApplicationFiled: December 21, 2022Publication date: March 6, 2025Inventors: Cheng ZENG, Jaeho LEE, Dongyu GAO, Dan WANG, Lulin MA, Zhenye WEI, Qiyun WANG, Xingjian CHENG
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Publication number: 20250060451Abstract: Radar systems, radar-implementation methods, and non-transitory processor-readable mediums storing processor-executable instructions for implementing radar chirp generation and processing are provided.Type: ApplicationFiled: November 5, 2024Publication date: February 20, 2025Inventors: Anil Varghese MANI, Sandeep RAO, Dan WANG
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Publication number: 20250048919Abstract: A functional layer material includes a compound centered on an sp3 hybridized carbon atom which includes a first type of compound. The first type of compound is selected from any of structures represented by a general formula (I), wherein at least one of a, b, m and n is not 0; A1 and A2 are independently selected from any of a substituted or unsubstituted trivalent aryl group, fused ring trivalent aryl group and fused ring trivalent heteroaryl group; B1 and B2 are independently selected from any of a substituted or unsubstituted alkylene group, arylene group and heteroarylene group; L1 to L4 are independently selected from any of a single bond, a substituted or unsubstituted phenylene group and biphenylene group; and Ar1 to Ar8 are independently selected from any one of a substituted or unsubstituted alkyl group, aryl group, heteroaryl group, fused ring aryl group and fused ring heteroaryl group.Type: ApplicationFiled: July 18, 2023Publication date: February 6, 2025Applicant: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Rongrong GAO, Dan WANG, Lei CHEN
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Publication number: 20250029653Abstract: Provided is a memory. The memory includes at least one memory array and at least one control circuit, wherein the memory array comprises a plurality of memory cells arranged in an array as well as read wordlines and read bitlines for read operations, wherein each of the memory cells comprises a first transistor and a second transistor. The control circuit is configured to transmit, during a pre-processing stage, a first voltage to the read wordline and the read bitline; transmit, during a pre-charging stage, a second voltage to the read bitline; and transmit, during a read-sensing stage, a third voltage to the read wordline.Type: ApplicationFiled: May 12, 2022Publication date: January 23, 2025Applicant: BEIJING SUPERSTRING ACADEMY OF MEMORY TECHNOLOGYInventors: Zhengyong ZHU, Bokmoon KANG, Dan WANG, Chao ZHAO
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Patent number: 12195349Abstract: The present invention relates to the technical field of functional materials, and in particular to an amorphous metal oxide hollow multi-shell material and a preparation method therefor and an application thereof. The method includes the following steps: 1) performing a heating reaction on a carbon source aqueous solution, filtering, washing, and drying to obtain a carbon sphere template; 2) dispersing the carbon sphere template obtained in step 1) in a first metal salt solution, heating, adsorbing, and drying to obtain a first solid precursor; 3) dispersing the solid precursor obtained in step 2) in a second metal salt solution again, adsorbing, and drying to obtain a second solid precursor; and 4) calcinating the second solid precursor obtained in step 3) to obtain the amorphous metal oxide hollow multi-shell material.Type: GrantFiled: June 25, 2021Date of Patent: January 14, 2025Assignee: INSTITUTE OF PROCESS ENGINEERING, CHINESE ACADEMY OF SCIENCESInventors: Dan Wang, Xuanbo Chen, Nailiang Yang
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Patent number: 12199785Abstract: A meeting robot method and system is provided. In one embodiment, a meeting substitute system includes processing circuitry configured to cause the meeting substitute system to obtain information related to a meeting request, the information associated with a teleconference meeting and the information including a date and a time for the teleconference meeting; as a result of a trigger, automatically: join the teleconference meeting at the date and the time; and during the joined teleconference meeting, capturing a set of meeting data for the teleconference meeting, the captured set of meeting data comprising at least one of a video recording and an audio recording of the teleconference meeting and a speech-to-text translation; and generate a meeting summary based at least in part on the captured set of meeting data for the teleconference meeting.Type: GrantFiled: October 2, 2020Date of Patent: January 14, 2025Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)Inventors: Dan Wang, Ghassan Abdallah, Baosheng Xu, Bin Liu, Weizhen Nie
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Patent number: 12194108Abstract: In some aspects, the disclosure relates to compositions and methods for modulating (e.g., increasing and/or decreasing) bone mass in a subject. In some aspects, the disclosure provides isolated nucleic acids, and vectors such as rAAV vectors, configured to express transgenes that promote (e.g., increase) or inhibit (e.g., decrease) activity, differentiation, or function of certain types of bone cells, for example osteoblasts, osteoclasts, osteocytes, etc. In some embodiments, the isolated nucleic acids and vectors described by the disclosure are useful for treating disorders and conditions associated with increased bone mass (e.g., osteopetrosis) or decreased bone mass (e.g., osteoporosis).Type: GrantFiled: March 22, 2019Date of Patent: January 14, 2025Assignee: University of MassachusettsInventors: Jae-Hyuck Shim, Guangping Gao, Jun Xie, Jung Min Kim, Dan Wang, Yeon-Suk Yang
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Publication number: 20250008577Abstract: The present application provides a session information subscription method and apparatus, and a device. The method, which is on an application function or capability exposure function side, comprises: subscribing to session information from a first network function; and receiving a notification for the subscription, and determining a policy control function (PCF). The solution of the present application solves the problem of PCF addressing in an Ethernet PDU session binding scenario.Type: ApplicationFiled: October 24, 2022Publication date: January 2, 2025Inventors: Xu CHEN, Dan WANG