CN111771288A - 光伏发电模块 - Google Patents
光伏发电模块 Download PDFInfo
- Publication number
- CN111771288A CN111771288A CN201880090307.1A CN201880090307A CN111771288A CN 111771288 A CN111771288 A CN 111771288A CN 201880090307 A CN201880090307 A CN 201880090307A CN 111771288 A CN111771288 A CN 111771288A
- Authority
- CN
- China
- Prior art keywords
- photovoltaic power
- pattern
- solar cell
- power generation
- support
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000010248 power generation Methods 0.000 title claims abstract description 50
- 239000011521 glass Substances 0.000 claims abstract description 45
- 239000000945 filler Substances 0.000 claims abstract description 33
- 230000003287 optical effect Effects 0.000 claims abstract description 27
- 239000000853 adhesive Substances 0.000 claims description 56
- 230000001070 adhesive effect Effects 0.000 claims description 56
- 238000002834 transmittance Methods 0.000 claims description 54
- 238000000149 argon plasma sintering Methods 0.000 claims description 19
- 239000003795 chemical substances by application Substances 0.000 claims description 19
- 239000000049 pigment Substances 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 6
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 claims description 4
- 239000002210 silicon-based material Substances 0.000 claims description 3
- 239000010410 layer Substances 0.000 abstract description 21
- 239000002356 single layer Substances 0.000 abstract description 16
- 230000000052 comparative effect Effects 0.000 description 18
- 239000006059 cover glass Substances 0.000 description 14
- 239000003566 sealing material Substances 0.000 description 12
- 230000000694 effects Effects 0.000 description 11
- 238000000034 method Methods 0.000 description 7
- 239000011248 coating agent Substances 0.000 description 6
- 238000000576 coating method Methods 0.000 description 6
- 239000008393 encapsulating agent Substances 0.000 description 5
- 230000004048 modification Effects 0.000 description 5
- 238000012986 modification Methods 0.000 description 5
- 230000007423 decrease Effects 0.000 description 4
- 239000005038 ethylene vinyl acetate Substances 0.000 description 4
- 230000006866 deterioration Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- DQXBYHZEEUGOBF-UHFFFAOYSA-N but-3-enoic acid;ethene Chemical compound C=C.OC(=O)CC=C DQXBYHZEEUGOBF-UHFFFAOYSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
- H01L31/042—PV modules or arrays of single PV cells
- H01L31/048—Encapsulation of modules
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/02—Details
- H01L31/0232—Optical elements or arrangements associated with the device
- H01L31/02327—Optical elements or arrangements associated with the device the optical elements being integrated or being directly associated to the device, e.g. back reflectors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
- H01L31/042—PV modules or arrays of single PV cells
- H01L31/048—Encapsulation of modules
- H01L31/0481—Encapsulation of modules characterised by the composition of the encapsulation material
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
- H01L31/054—Optical elements directly associated or integrated with the PV cell, e.g. light-reflecting means or light-concentrating means
- H01L31/0543—Optical elements directly associated or integrated with the PV cell, e.g. light-reflecting means or light-concentrating means comprising light concentrating means of the refractive type, e.g. lenses
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
- H01L31/054—Optical elements directly associated or integrated with the PV cell, e.g. light-reflecting means or light-concentrating means
- H01L31/0547—Optical elements directly associated or integrated with the PV cell, e.g. light-reflecting means or light-concentrating means comprising light concentrating means of the reflecting type, e.g. parabolic mirrors, concentrators using total internal reflection
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S20/00—Supporting structures for PV modules
- H02S20/20—Supporting structures directly fixed to an immovable object
- H02S20/22—Supporting structures directly fixed to an immovable object specially adapted for buildings
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
- H02S40/20—Optical components
- H02S40/22—Light-reflecting or light-concentrating means
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/10—Photovoltaic [PV]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/52—PV systems with concentrators
Landscapes
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Photovoltaic Devices (AREA)
Abstract
Description
Claims (13)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020170180272A KR101982588B1 (ko) | 2017-12-26 | 2017-12-26 | 태양광 발전모듈 |
KR10-2017-0180272 | 2017-12-26 | ||
PCT/KR2018/015517 WO2019132307A1 (ko) | 2017-12-26 | 2018-12-07 | 태양광 발전모듈 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN111771288A true CN111771288A (zh) | 2020-10-13 |
CN111771288B CN111771288B (zh) | 2023-10-20 |
Family
ID=66679073
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201880090307.1A Active CN111771288B (zh) | 2017-12-26 | 2018-12-07 | 光伏发电模块 |
Country Status (5)
Country | Link |
---|---|
US (1) | US11251322B2 (zh) |
EP (1) | EP3734670B8 (zh) |
KR (1) | KR101982588B1 (zh) |
CN (1) | CN111771288B (zh) |
WO (1) | WO2019132307A1 (zh) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11791762B2 (en) * | 2020-11-23 | 2023-10-17 | Yaue-Sheng Chang | Solar panel for pitched roof and construction method thereof |
KR102501442B1 (ko) * | 2020-12-21 | 2023-02-20 | 재단법인 포항산업과학연구원 | 광학패턴이 포함된 컬러필름의 제조방법 및 상기 컬러필름을 포함하는 태양광 발전 모듈 |
CN114597279A (zh) * | 2022-02-25 | 2022-06-07 | 中能创光电科技(常州)有限公司 | 带图案的光伏组件及其制备方法 |
CN117117015B (zh) * | 2023-08-10 | 2024-03-15 | 广东南星玻璃有限公司 | 一种真空光伏装饰玻璃及其真空结构 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001230437A (ja) * | 2000-02-18 | 2001-08-24 | Sanyo Electric Co Ltd | 太陽電池モジュール |
US20020153038A1 (en) * | 2001-04-20 | 2002-10-24 | Akimasa Umemoto | Photovoltaic module having light receptive, glass laminate structure and photovoltaic module having light receptive, multi-layer structure |
US20080000517A1 (en) * | 2003-06-10 | 2008-01-03 | Gonsiorawski Ronald C | Photovoltaic module with light reflecting backskin |
US20110297220A1 (en) * | 2010-04-06 | 2011-12-08 | Kari Rinko | Laminate structure with embedded cavities for use with solar cells and related method of manufacture |
KR20120035294A (ko) * | 2010-10-05 | 2012-04-16 | 엘지전자 주식회사 | 태양전지 모듈 |
JP2017046412A (ja) * | 2015-08-25 | 2017-03-02 | 大日本印刷株式会社 | 太陽電池複合型表示体 |
CN106716648A (zh) * | 2014-07-11 | 2017-05-24 | 荷兰能源研究中心基金会 | 太阳能板以及制造太阳能板的方法 |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4379202A (en) * | 1981-06-26 | 1983-04-05 | Mobil Solar Energy Corporation | Solar cells |
US20090194156A1 (en) * | 2008-02-01 | 2009-08-06 | Grommesh Robert C | Dual seal photovoltaic glazing assembly and method |
KR101057790B1 (ko) | 2009-02-03 | 2011-08-19 | 테라웨이브 주식회사 | 집광형 태양광 발전 모듈 |
KR101180234B1 (ko) * | 2009-04-03 | 2012-09-05 | (주)엘지하우시스 | 디자인층을 구비한 건물 일체형 태양전지 모듈 |
DE102009049228A1 (de) * | 2009-10-13 | 2011-08-04 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V., 80686 | Vorrichtung zur Konzentrierung und Umwandlung von Solarenergie |
JP5745776B2 (ja) | 2010-03-15 | 2015-07-08 | デクセリアルズ株式会社 | 光学積層体および建具 |
EP2591847A4 (en) | 2010-07-07 | 2013-11-27 | Mitsubishi Rayon Co | DRYING DEVICE AND METHOD FOR HOLLOW FIBER MEMBRANES |
CN102376811A (zh) * | 2010-08-23 | 2012-03-14 | 杜邦太阳能有限公司 | 光伏面板 |
US9281186B2 (en) * | 2011-03-31 | 2016-03-08 | Ats Automation Tooling Systems Inc. | Colored photovoltaic modules and methods of construction |
KR20130030390A (ko) | 2011-09-19 | 2013-03-27 | 현대중공업 주식회사 | 건축물에 설치되는 지/지 타입 태양광모듈 |
JP2013149803A (ja) | 2012-01-19 | 2013-08-01 | Keiwa Inc | 太陽電池モジュール用フロントシート及びこれを用いた太陽電池モジュール |
KR101307015B1 (ko) | 2013-03-19 | 2013-09-11 | 주식회사 에이치와이티씨 | 고투과 열차폐 조성물을 이용한 태양전지용 커버 글라스 도막 구조 |
JP2015153836A (ja) * | 2014-02-12 | 2015-08-24 | シャープ株式会社 | 太陽電池モジュール、太陽光発電装置 |
KR101497941B1 (ko) | 2014-03-24 | 2015-03-03 | 광주과학기술원 | 태양전지 모듈 및 이의 제조방법 |
US20160276501A1 (en) * | 2015-03-16 | 2016-09-22 | Bright New World Ab | Solar panel converter layer |
KR101682133B1 (ko) | 2015-11-09 | 2016-12-02 | 한국과학기술연구원 | 나노패턴 내에 양자점이 임베디드된 광학 필름, 이의 제조방법 및 이를 이용한 태양전지 |
JP6608690B2 (ja) | 2015-12-09 | 2019-11-20 | 株式会社ヤシマ精工 | 2色成形品 |
JP6720651B2 (ja) * | 2016-03-31 | 2020-07-08 | 大日本印刷株式会社 | 太陽電池複合型表示体 |
KR101791130B1 (ko) | 2016-11-18 | 2017-10-27 | 엘지전자 주식회사 | 태양전지 모듈 |
KR101940921B1 (ko) | 2017-08-18 | 2019-01-22 | 주식회사 포스코 | 패턴글라스 및 이를 포함하는 태양광 발전모듈 |
KR101917533B1 (ko) | 2017-08-31 | 2018-11-09 | 주식회사 포스코 | 컬러 태양광 모듈 |
-
2017
- 2017-12-26 KR KR1020170180272A patent/KR101982588B1/ko active IP Right Grant
-
2018
- 2018-12-07 CN CN201880090307.1A patent/CN111771288B/zh active Active
- 2018-12-07 WO PCT/KR2018/015517 patent/WO2019132307A1/ko unknown
- 2018-12-07 EP EP18894967.1A patent/EP3734670B8/en active Active
- 2018-12-07 US US16/964,350 patent/US11251322B2/en active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001230437A (ja) * | 2000-02-18 | 2001-08-24 | Sanyo Electric Co Ltd | 太陽電池モジュール |
US20020153038A1 (en) * | 2001-04-20 | 2002-10-24 | Akimasa Umemoto | Photovoltaic module having light receptive, glass laminate structure and photovoltaic module having light receptive, multi-layer structure |
US20080000517A1 (en) * | 2003-06-10 | 2008-01-03 | Gonsiorawski Ronald C | Photovoltaic module with light reflecting backskin |
US20110297220A1 (en) * | 2010-04-06 | 2011-12-08 | Kari Rinko | Laminate structure with embedded cavities for use with solar cells and related method of manufacture |
KR20120035294A (ko) * | 2010-10-05 | 2012-04-16 | 엘지전자 주식회사 | 태양전지 모듈 |
CN106716648A (zh) * | 2014-07-11 | 2017-05-24 | 荷兰能源研究中心基金会 | 太阳能板以及制造太阳能板的方法 |
JP2017046412A (ja) * | 2015-08-25 | 2017-03-02 | 大日本印刷株式会社 | 太陽電池複合型表示体 |
Also Published As
Publication number | Publication date |
---|---|
EP3734670B8 (en) | 2023-06-28 |
US11251322B2 (en) | 2022-02-15 |
EP3734670A1 (en) | 2020-11-04 |
KR101982588B1 (ko) | 2019-05-27 |
CN111771288B (zh) | 2023-10-20 |
EP3734670A4 (en) | 2021-03-03 |
WO2019132307A1 (ko) | 2019-07-04 |
EP3734670B1 (en) | 2023-05-17 |
US20210036172A1 (en) | 2021-02-04 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN111771288B (zh) | 光伏发电模块 | |
JP6152623B2 (ja) | 採光パネル、採光パネルの製造方法 | |
KR100870290B1 (ko) | 시인성 향상 필름과 이를 이용한 디스플레이 필터 및디스플레이 장치 | |
JP5716733B2 (ja) | 採光シート、採光装置、及び建物 | |
US20060103768A1 (en) | Front filter of display panel and fabrication method thereof | |
KR101982589B1 (ko) | 태양광 발전모듈 | |
JP5888450B2 (ja) | 採光シート、採光装置、及び建物 | |
JP2007140403A (ja) | 視野角制御シート及び表示装置 | |
US8829340B2 (en) | Solar light-control module | |
KR20200101722A (ko) | 발광다이오드 장치용 광학 구조물 및 이를 구비하는 조명용 발광다이오드 장치 | |
JP5796691B2 (ja) | 採光シート、採光装置、及び建物 | |
JP6089680B2 (ja) | 採光シート、採光装置、及び建物 | |
KR20100000779A (ko) | 디스플레이 장치용 시야각 조정 필터 및 이를 구비하는디스플레이 장치 | |
JP6037067B2 (ja) | 採光シート、採光装置、及び建物 | |
JP6037068B2 (ja) | 採光シート、採光装置、及び建物 | |
JP6215376B2 (ja) | 採光シート、採光装置、及び建物 | |
JP5888449B2 (ja) | 採光シート、採光装置、及び建物 | |
JP7255248B2 (ja) | 光学部材 | |
US20210116624A1 (en) | Front light module and display device | |
JP6215375B2 (ja) | 採光シート、採光装置、及び建物 | |
JP6037069B2 (ja) | 採光シート、採光装置、及び建物 | |
CN205706434U (zh) | 镜面结构 | |
JP6036872B2 (ja) | 採光シート、採光装置、及び建物 | |
CN103580602A (zh) | 聚光板 | |
CN110568531A (zh) | 防窥膜和显示装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
CB02 | Change of applicant information | ||
CB02 | Change of applicant information |
Address after: Seoul City, Korea Applicant after: POSCO Holdings Co.,Ltd. Applicant after: RESEARCH INSTITUTE OF INDUSTRIAL SCIENCE & TECHNOLOGY Address before: Gyeongbuk, South Korea Applicant before: POSCO Applicant before: RESEARCH INSTITUTE OF INDUSTRIAL SCIENCE & TECHNOLOGY |
|
TA01 | Transfer of patent application right | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20230625 Address after: Gyeongbuk, South Korea Applicant after: POSCO Co.,Ltd. Applicant after: RESEARCH INSTITUTE OF INDUSTRIAL SCIENCE & TECHNOLOGY Address before: Seoul City, Korea Applicant before: POSCO Holdings Co.,Ltd. Applicant before: RESEARCH INSTITUTE OF INDUSTRIAL SCIENCE & TECHNOLOGY |
|
GR01 | Patent grant | ||
GR01 | Patent grant |