Patents by Inventor Na HAN
Na HAN 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).
-
Publication number: 20240125008Abstract: A method of preparing PAN-based carbon fibers relates to the technical field of materials. The method includes: S1. acrylonitrile, a second monomer and an unsaturated UV-sensitive cross-linking agent are mixed, an initiator is then added and a reaction is performed to obtain a meltable PAN-based copolymer; S2. the meltable PAN-based copolymer and a flow modifier are mixed to obtain a mixture, the mixture is extruded and pelletized, and then melt spinning is performed to obtain nascent fibers, the nascent fibers are stretched and annealed to obtain a PAN-based carbon fiber precursor; S3. ultraviolet irradiation is performed on the PAN-based carbon fiber precursor; S4. the PAN-based carbon fiber precursor after ultraviolet irradiation is pre-oxidized and carbonized to obtain PAN-based carbon fibers.Type: ApplicationFiled: March 5, 2021Publication date: April 18, 2024Inventors: Na HAN, Chao WU, Xingxiang ZHANG, Lejun WANG, Jianyong CHEN, Zhiheng SUN, Xujian YANG, Jun CAI
-
Patent number: 11952400Abstract: Provided are a bovine rotavirus fusion protein and calf diarrhea multivalent vaccine. The bovine rotavirus fusion protein contains a VP6 fragment, wherein the VP6 fragment contains an amino acid sequence as represented by SEQ ID NO. 4, and at least one loop region of the following (a)˜(c) is substituted with an antigenic epitope derived from bovine coronavirus and/or an antigenic epitope derived from E. coli: (a) amino acid residues of sites 168-177; with an amino acid sequence as represented by SEQ ID NO. 1; (b) amino acid residues of sites 194-205; with an amino acid sequence as represented by SEQ ID NO. 2; and (a) amino acid residues of sites 296-316, with an amino acid sequence as represented by SEQ ID NO. 3, The bovine rotavirus fusion protein contains a plurality of antigenic epitopes, and can enable a host to generate a plurality of antibodies after immunizing the host.Type: GrantFiled: April 16, 2021Date of Patent: April 9, 2024Assignee: TECON BIOPHARMACEUTICAL CO., LTD.Inventors: Sun He, Yiping Pan, Guoqing Zhang, Pengxian Yan, Na Xi, Miaomiao Guo, Shengdong Xiao, Tianzeng Li, Rui Han, Yumeng Wang, Jiubin Du, Pei Zheng, Jian Cao
-
Patent number: 11946051Abstract: The present invention relates to a pharmaceutical composition for preventing or treating hypertrophic scars. The present inventors have found that the inhibition of expression of TXNDC5, PRRC1, S100A11, Galectin 1, Filamin A, eIF-5A, Annexin A2, and FABP5 can be a new target for improving and treating hypertrophic scars. In the present invention, TXNDC5-, PRRC1-, S100A11-, Galectin 1-, Filamin A-, eIF-5A-, Annexin A2-, and FABP5-specific siRNAs were constructed to determine the probability of treating the hypertrophic scars. As a result, the knockdown of the protein or a gene encoding the protein induces apoptosis in the hypertrophic scars and reduces collagen expression, which can be very useful in treating wounds.Type: GrantFiled: November 21, 2022Date of Patent: April 2, 2024Assignee: Tego Science Inc.Inventors: Saewha Jeon, Ho Yun Chung, Na Ra Oh, Yun Hee Kim, Jikhyon Han, Hyun Ah Moon
-
Publication number: 20240075318Abstract: The present disclosure relates to a method for carrying out dose delivery quality assurance for high-precision radiation treatment, in which parameters affecting a pass rate of dose delivery quality assurance can be derived through regression analysis, which is a known statistical analysis method, and a pass rate prediction model capable of predicting each parameter and the pass rate of dose delivery quality assurance can be derived, and accordingly, it can be predicted in advance whether dose delivery quality assurance will be passed according to the parameters through the above prediction model, without repeatedly carrying out dose delivery quality assurance according to a patient's treatment plan, and as a result, the efficiency of dose delivery quality assurance can be enhanced, and the time or capacity required for such quality assurance is reduced, such that radiation treatment for an actual patient can be quickly and precisely carried out.Type: ApplicationFiled: December 22, 2021Publication date: March 7, 2024Inventors: Young Nam KANG, Ji Na KIM, Hong Seok JANG, Byung Ock CHOI, Yun Ji SEOL, Tae Geon OH, Na Young AN, Jae Hyeon LEE, Kyu Min HAN, Ye Rim SHIN
-
Publication number: 20240068091Abstract: Disclosed is a method of forming an area-selective thin film, the method comprising supplying a nuclear growth retardant to the inside of the chamber in which the substrate is placed, so that the nuclear growth retardant is adsorbed to a non-growth region of the substrate; purging the interior of the chamber; supplying a precursor to the inside of the chamber, so that the precursor is adsorbed to a growth region of the substrate; purging the interior of the chamber; and supplying a reaction material to the inside of the chamber, so that the reaction material reacts with the adsorbed precursor to form the thin film.Type: ApplicationFiled: January 5, 2022Publication date: February 29, 2024Applicant: EGTM Co., Ltd.Inventors: Jae Min KIM, Ha Na KIM, Woong Jin CHOI, Ji Yeon HAN, Ju Hwan JEONG, Hyeon Sik CHO
-
Patent number: 11911519Abstract: A device for producing nanoparticles includes: a first connector comprising a first supply tube fitting member, a second supply tube fitting member, and a first discharge tube fitting member; a first tube having one side connected to the first supply tube fitting member; a second tube having one side connected to the second supply tube fitting member; a first conduit having one side connected to the first discharge tube fitting member; a first supply connected to another side of the first tube to supply a first material to the first conduit; and a second supply connected to another side of the second tube to supply a second material to the first conduit.Type: GrantFiled: January 15, 2021Date of Patent: February 27, 2024Assignees: SOONCHUNHYANG UNIVERSITY INDUSTRY ACADEMY COOPERATION FOUNDATION, KOREA INSTITUTE OF CERAMIC ENGINEERING AND TECHNOLOGYInventors: Jong Min Lim, Daekyung Sung, Won II Choi, Hyeon Woo Han, Sehee Jeong, Yoonhee Na, Jiseob Woo
-
Publication number: 20240059605Abstract: A low dielectric sealing glass powder for a miniature radio-frequency glass insulator is made of the following raw materials expressed in molar percentages: SiO2: 70.5-74.0%, B2O3: 20.5-23.5%, Ga2O3: 0.5-2.0%, P2O5: 0.25-2.0%, Li2O: 0.4-6.0%, K2O: 0.1-1.5%, LaB6: 0.05-1.0%, and NaCl: 0.03-0.3%. The raw material components are simple, and the preparation method is easy to implement. The dielectric constant and dielectric loss of the prepared glass powder are low, and the melting and molding temperature is low, which are convenient for large-scale industrial production. The melting and molding temperature of the low dielectric sealing glass powder ranges from 1320° C. to 1360° C., and the obtained glass has a dielectric constant ranging from 3.8 to 4.1 and a dielectric loss ranging from 4×10?4 to 10×10?4 at a frequency of 1 MHz, and a sealing temperature ranging from 900° C. to 950° C.Type: ApplicationFiled: April 24, 2022Publication date: February 22, 2024Applicant: CNBM RESEARCH INSTITUTE FOR ADVANCED GLASS MATERIALS GROUP CO., LTDInventors: Shou PENG, Chong ZHANG, Weiwei WANG, Changqing LI, Jinwei LI, Xiaofei YANG, Gang ZHOU, Zhenkun KE, Xin CAO, Chuanli SHAN, Jia NI, Jiedong CUI, Fengyang ZHAO, Zhaojin ZHONG, Pingping WANG, Qiang GAO, Na HAN, Lifen SHI, Yong YANG
-
Patent number: 11789287Abstract: A display system based on a four-dimensional light field, and a display method therefor. The display system includes: a light source module (11), a display panel (12), and a light conduction component (13), wherein the light source module (11) includes a plurality of light sources arranged in an array; and the display panel (12) is a reflective liquid crystal display panel, and the display panel (12) includes a plurality of pixel units arranged in an array. Light emitted by the light sources in the light source module (11) irradiates the pixel units in the display panel (12); and the pixel units in the display panel (12) transmit the received light to a target position by means of the light conduction component (13).Type: GrantFiled: May 25, 2021Date of Patent: October 17, 2023Assignees: Beijing BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Ruijun Dong, Hao Zhang, Chenru Wang, Ke Li, Yulong Wu, Jiarong Bai, Na Han
-
Patent number: 11789272Abstract: The disclosure discloses a near-to-eye display device, including: a first display screen, a first imaging lens, a second display screen, a second imaging lens and a waveguide. The first display screen provides a first image and the first image enters the waveguide through the first imaging lens. The second display screen provides a second image, the second image enters the waveguide through the second imaging lens. Imaging light rays from the first imaging lens and the second imaging lens can emit towards a light-emitting surface of the waveguide via a light taking part, and enter the human eyes.Type: GrantFiled: August 18, 2021Date of Patent: October 17, 2023Assignees: Beijing BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Na Han, Chenru Wang, Ruijun Dong, Yulong Wu, Ke Li, Jiarong Bai, Hao Zhang
-
Publication number: 20230236422Abstract: A near-eye display device, including: a display device (1) for displaying an image; an imaging lens (2) on a light-outgoing side of the display device (1) and for imaging the image displayed on the display device (1); a polarizer (3) on the light-outgoing side and for converting light emitted from the display device (1) into linearly polarized light; first and second phase delay layers (41, 42), on a side of the polarizer (3) distal to the display device (1) and for converting a polarization state of incident light; a polarized light splitter (5) on a side of the second phase delay layer (42) distal to the polarizer (3); and a curved mirror (6) on a reflected light path of the polarized light splitter (5) and for partially reflecting light transmitted by the second phase delay layer (42) to human eyes and partially transmitting ambient light.Type: ApplicationFiled: July 5, 2021Publication date: July 27, 2023Inventors: Yulong WU, Ke LI, Chenru WANG, Jiarong BAI, Na HAN, Ruijun DONG, Lili CHEN, Hao ZHANG
-
Publication number: 20230219066Abstract: Some embodiments include a copper (Cu)-doped titania coating layer, including a titania matrix and Cu element doped therein, characterized in that a doping amount of the Cu element is 4-25 mol % of the entire cured coating layer. Some embodiments include a coating composition of the coating layer, and a process for preparing the coating composition, including: (1) preparing a solution comprising a titanium alkoxide and a diluent; (2) preparing a solution comprising a copper precursor compound and a diluent, (3) mixing the above two solutions to obtain a precursor mixture of the composition, wherein in the above steps (1) and (2), the pH value of the solutions is controlled to in the range of 0.1 to 6, and the solutions of steps (1) and (2) are substantially free of water.Type: ApplicationFiled: December 21, 2022Publication date: July 13, 2023Inventors: Song BAI, Tiancun CHEN, Na HAN
-
Publication number: 20230176372Abstract: A head up display system, including: a display screen used for displaying an image; an imaging lens arranged on a light exit side of the display screen and used for imaging an image displayed on the display screen; and a curved reflecting mirror arranged on the side of the imaging lens facing away from the display screen and used for receiving imaging light of the imaging lens and reflecting said light to the position where human eyes are located. Relative positions of the display screen and the imaging lens are fixed, and the imaging lens and the curved reflecting mirror adopt a separate structure.Type: ApplicationFiled: May 12, 2021Publication date: June 8, 2023Inventors: Yulong WU, Chenru WANG, Ke LI, Jiarong BAI, Na HAN, Ruijun DONG, Lili CHEN, Yufan DU, Tengfei CHEN, Hao ZHANG, Zhenhuan TIAN
-
Publication number: 20230168423Abstract: Provided is a near-eye display apparatus, comprising: a first display (11), used for displaying a first image, entering a beam splitter (30) by means of a first imaging lens (12); a second display (21), used for displaying a second image, entering the beam splitter (30) by means of a second imaging lens (22), the beam splitter (30) being used for transmitting the imaging light beam of the first imaging lens (12) and reflecting the imaging light beam of the second imaging lens (22); a waveguide plate (40), located on the light exit path of the beam splitter (30), and used for receiving outgoing light from the beam splitter (30) and transmitting same; the waveguide plate (40) is internally provided with a light-taking component (400), the light-taking component (400) being used for reflecting the imaging light beam transmitted in the waveguide plate (40) toward a position where a human eye is located.Type: ApplicationFiled: October 11, 2021Publication date: June 1, 2023Inventors: Chenru WANG, Na HAN, Ruijun DONG, Ke LI, Yulong WU, Jiarong BAI, Lili CHEN, Hao ZHANG
-
Publication number: 20230161173Abstract: A display system based on a four-dimensional light field, and a display method therefor. The display system includes: a light source module (11), a display panel (12), and a light conduction component (13), wherein the light source module (11) includes a plurality of light sources arranged in an array; and the display panel (12) is a reflective liquid crystal display panel, and the display panel (12) includes a plurality of pixel units arranged in an array. Light emitted by the light sources in the light source module (11) irradiates the pixel units in the display panel (12); and the pixel units in the display panel (12) transmit the received light to a target position by means of the light conduction component (13).Type: ApplicationFiled: May 25, 2021Publication date: May 25, 2023Inventors: Ruijun DONG, Hao ZHANG, Chenru WANG, Ke LI, Yulong WU, Jiarong BAI, Na HAN
-
Patent number: 11586045Abstract: The present disclosure discloses a near-eye display apparatus including: a first display screen and a second display screen; and a first collimating lens, a second collimating lens, a first polarization converter which converts emitted light of the first display screen into first circularly polarized light, a second polarization converter which converts emitted light of the second display screen into second circularly polarized light, a waveguide plate configured to conduct the first circularly polarized light and the second circularly polarized light, and a super lens which is located in a light emitting region of the waveguide plate.Type: GrantFiled: March 19, 2021Date of Patent: February 21, 2023Assignees: Beijing BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Na Han, Chenru Wang, Ruijun Dong, Yulong Wu, Ke Li, Jiarong Bai, Hao Zhang
-
Patent number: 11579483Abstract: A near-to-eye display device, includes: a display screen configured to display different images in a first time division mode, a polarization converter at a light-emitting side of the display screen and configured to convert emitted light of the different images displayed by the display screen into first circularly polarized light rays and second circularly polarized light rays in a second time division mode. Here the first circularly polarized light rays and the second circularly polarized light rays are opposite in rotation direction. The device further includes a polarization lens at a side facing away from the display screen of the polarization converter, and a focusing lens at a side facing away from the display screen of the polarization converter. The polarization lens and the focusing lens are configured to focus the first circularly polarized light rays and the second circularly polarized light rays at positions of different focal lengths.Type: GrantFiled: August 25, 2021Date of Patent: February 14, 2023Assignees: Beijing BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Ruijun Dong, Xue Dong, Hao Zhang, Wenhong Tian, Yulong Wu, Chenru Wang, Ke Li, Jiarong Bai, Na Han
-
Publication number: 20230038591Abstract: A near-eye display device, including: a display screen (1) used for image display; an imaging lens (2) located at a light emission side of the display screen (1) and used for imaging a displayed image of the display screen (1); a flat plate (3) located on the side of the imaging lens (2) facing away from the display screen (1) and obliquely arranged relative to the optical axis of the imaging lens (2); a phase retardation layer (4) located on the side of the flat plate (3) facing the imaging lens (2); a polarization beam-splitting layer (5) located between the phase retardation layer (4) and the flat plate (3); a polarizing layer (6) located between the polarization splitting layer (5) and the flat plate (3); and a curved mirror (7).Type: ApplicationFiled: August 4, 2021Publication date: February 9, 2023Inventors: Ruijun DONG, Hao ZHANG, Lili CHEN, Yulong WU, Ke LI, Chenru WANG, Jiarong BAI, Na HAN
-
Publication number: 20220326521Abstract: An optical system, a display apparatus, and smart glasses are provided. The optical system includes a transflective element, a reflective element and a plurality of microstructures. The transflective element is configured to reflect collimated incident light to the reflective element. The reflective element is configured to reflect the collimated incident light back to a light incident surface of the transflective element, so as to adjust an angle at which the collimated incident light exits. The transflective element is further configured to transmit the reflected-back collimated incident light to a target region. The plurality of microstructures are configured to adjust angles at which ambient stray light incident on surfaces thereof exits, and to scatter the ambient stray light out of the target region.Type: ApplicationFiled: December 30, 2020Publication date: October 13, 2022Inventors: Ruijun DONG, Chenru WANG, Ke LI, Yulong WU, Na HAN, Jiarong BAI
-
Publication number: 20220276490Abstract: Disclosed is a near eye display apparatus, comprising a display screen and an imaging system. The imaging system comprises a biconvex lens, a transflective plane mirror and a transflective curved mirror. The biconvex lens is configured to magnify a display image of the display screen; the transflective plane mirror is configured to receive imaging light from the biconvex lens and reflect same to the transflective curved mirror; and the transflective curved mirror is configured to converge the imaging light and reflect same to the position(s) where human eyes are located.Type: ApplicationFiled: January 7, 2021Publication date: September 1, 2022Inventors: Yulong WU, Ke LI, Ruijun DONG, Chenru WANG, Na HAN, Jiarong BAI, Lili CHEN, Hao ZHANG
-
Publication number: 20220100030Abstract: A near-to-eye display device, includes: a display screen configured to display different images in a first time division mode, a polarization converter at a light-emitting side of the display screen and configured to convert emitted light of the different images displayed by the display screen into first circularly polarized light rays and second circularly polarized light rays in a second time division mode. Here the first circularly polarized light rays and the second circularly polarized light rays are opposite in rotation direction. The device further includes a polarization lens at a side facing away from the display screen of the polarization converter, and a focusing lens at a side facing away from the display screen of the polarization converter. The polarization lens and the focusing lens are configured to focus the first circularly polarized light rays and the second circularly polarized light rays at positions of different focal lengths.Type: ApplicationFiled: August 25, 2021Publication date: March 31, 2022Inventors: Ruijun DONG, Xue DONG, Hao ZHANG, Wenhong TIAN, Yulong WU, Chenru WANG, Ke LI, Jiarong BAI, Na HAN