WO2015100805A1 - 反激式升压电路、led背光驱动电路及液晶显示器 - Google Patents
反激式升压电路、led背光驱动电路及液晶显示器 Download PDFInfo
- Publication number
- WO2015100805A1 WO2015100805A1 PCT/CN2014/070674 CN2014070674W WO2015100805A1 WO 2015100805 A1 WO2015100805 A1 WO 2015100805A1 CN 2014070674 W CN2014070674 W CN 2014070674W WO 2015100805 A1 WO2015100805 A1 WO 2015100805A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- switching elements
- ground
- terminal
- output
- module
- Prior art date
Links
- 239000004973 liquid crystal related substance Substances 0.000 title claims description 12
- 239000003990 capacitor Substances 0.000 claims description 14
- 238000010586 diagram Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 7
- 230000020169 heat generation Effects 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000004804 winding Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/22—Conversion of dc power input into dc power output with intermediate conversion into ac
- H02M3/24—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters
- H02M3/28—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac
- H02M3/325—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal
- H02M3/335—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/33569—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only having several active switching elements
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/3406—Control of illumination source
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/13306—Circuit arrangements or driving methods for the control of single liquid crystal cells
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133603—Direct backlight with LEDs
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/30—Driver circuits
- H05B45/37—Converter circuits
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/30—Driver circuits
- H05B45/37—Converter circuits
- H05B45/3725—Switched mode power supply [SMPS]
- H05B45/385—Switched mode power supply [SMPS] using flyback topology
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/40—Details of LED load circuits
- H05B45/44—Details of LED load circuits with an active control inside an LED matrix
- H05B45/46—Details of LED load circuits with an active control inside an LED matrix having LEDs disposed in parallel lines
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133612—Electrical details
-
- 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
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Mathematical Physics (AREA)
- Power Engineering (AREA)
- Computer Hardware Design (AREA)
- Theoretical Computer Science (AREA)
- Dc-Dc Converters (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
- Liquid Crystal (AREA)
Abstract
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020167020875A KR101838548B1 (ko) | 2013-12-30 | 2014-01-15 | 플라이백 타입 승압회로, led 백라이트 구동회로 및 액정 디스플레이 장치 |
DE112014006084.4T DE112014006084B4 (de) | 2013-12-30 | 2014-01-15 | Flyback-Spannungserhöhungsschaltung, Ansteuerungsschaltung einer LED-Hintergrundbeleuchtung und Flüssigkristallanzeige |
US14/346,714 US9232583B2 (en) | 2013-12-30 | 2014-01-15 | Flyback boost circuit, LED backlight driving circuit and liquid crystal device |
GB1610371.5A GB2535932B (en) | 2013-12-30 | 2014-01-15 | Flyback boost circuit, LED backlight driving circuit and liquid crystal device |
JP2016561052A JP6219540B2 (ja) | 2013-12-30 | 2014-01-15 | フライバック型昇圧回路、ledバックライト駆動回路及び液晶ディスプレイ |
RU2016125812A RU2635067C1 (ru) | 2013-12-30 | 2014-01-15 | Обратноходовая повышающая схема, схема драйвера светодиодной подсветки и жидкокристаллическое устройство |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201310746727.XA CN103745701B (zh) | 2013-12-30 | 2013-12-30 | 反激式升压电路、led背光驱动电路及液晶显示器 |
CN201310746727.X | 2013-12-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2015100805A1 true WO2015100805A1 (zh) | 2015-07-09 |
Family
ID=50502714
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CN2014/070674 WO2015100805A1 (zh) | 2013-12-30 | 2014-01-15 | 反激式升压电路、led背光驱动电路及液晶显示器 |
Country Status (8)
Country | Link |
---|---|
US (1) | US9232583B2 (zh) |
JP (1) | JP6219540B2 (zh) |
KR (1) | KR101838548B1 (zh) |
CN (1) | CN103745701B (zh) |
DE (1) | DE112014006084B4 (zh) |
GB (1) | GB2535932B (zh) |
RU (1) | RU2635067C1 (zh) |
WO (1) | WO2015100805A1 (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108540114A (zh) * | 2018-06-08 | 2018-09-14 | 南京国博电子有限公司 | 一种高功率射频开关 |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104410269A (zh) * | 2014-12-24 | 2015-03-11 | 陆俊 | 一种直流电源转换电路及装置 |
CN106507549A (zh) * | 2016-12-29 | 2017-03-15 | 重庆奥海辉龙大数据有限公司 | Led驱动电源及系统 |
CN106787704B (zh) * | 2017-02-08 | 2023-10-27 | 广州致远电子股份有限公司 | 一种用于高耐压重叠式dc-dc变换器的电源启动系统 |
CN107493014A (zh) * | 2017-09-11 | 2017-12-19 | 无锡华汇金泽电子科技有限公司 | 一种大功率输出的反激式电路 |
CN109640463B (zh) * | 2019-02-25 | 2020-12-25 | 福州大学 | 一种混合式反激led驱动电路和准谐振控制方法 |
CN113436571B (zh) * | 2020-03-18 | 2022-10-18 | 海信视像科技股份有限公司 | 显示装置及供电电路 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001210492A (ja) * | 2000-01-28 | 2001-08-03 | Olympus Optical Co Ltd | ストロボ充電回路 |
CN1575083A (zh) * | 2003-05-26 | 2005-02-02 | 三菱电机株式会社 | 高亮度放电灯的点灯装置以及其点灯方法 |
CN101833929A (zh) * | 2010-05-11 | 2010-09-15 | 福建捷联电子有限公司 | 一种液晶显示器单串led灯管推挽式直流高压驱动电路 |
CN201757975U (zh) * | 2010-05-11 | 2011-03-09 | 福建捷联电子有限公司 | 一种液晶显示器单串led灯管推挽式直流高压驱动电路 |
WO2012155325A1 (en) * | 2011-05-16 | 2012-11-22 | Intersil Americas Inc. | Dc/dc power converter with wide input voltage range |
Family Cites Families (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03137710A (ja) * | 1989-10-24 | 1991-06-12 | Fujitsu General Ltd | 高圧発生回路 |
JPH03226268A (ja) * | 1990-01-31 | 1991-10-07 | Hitachi Ltd | スイツチングレギユレータ |
US5563780A (en) * | 1993-12-08 | 1996-10-08 | International Power Systems, Inc. | Power conversion array applying small sequentially switched converters in parallel |
US5903448A (en) * | 1997-08-20 | 1999-05-11 | Lucent Technologies Inc. | Four quadrant flyback converter, method of operation thereof and power plant employing the same |
JP3588429B2 (ja) * | 1999-11-30 | 2004-11-10 | 東芝テック株式会社 | 電力変換装置 |
JP4644950B2 (ja) * | 2001-01-16 | 2011-03-09 | 大平電子株式会社 | スイッチング電源装置 |
GB2377094B (en) * | 2001-06-29 | 2003-07-30 | Paul Morris | Power converter |
JP2003199345A (ja) * | 2001-12-26 | 2003-07-11 | Fiderikkusu:Kk | スイッチング電源装置 |
US6940233B2 (en) * | 2002-10-03 | 2005-09-06 | Analog Microelectronics, Inc. | Method and system of driving a CCFL |
US7777422B2 (en) * | 2005-08-24 | 2010-08-17 | Mitsubishi Electric Corporation | DC/DC converter device and discharge lamp lighting device |
JP5103728B2 (ja) * | 2005-11-24 | 2012-12-19 | ウシオ電機株式会社 | 放電ランプ点灯装置 |
JP4785586B2 (ja) * | 2006-03-23 | 2011-10-05 | アルパイン株式会社 | Ledバックライト駆動装置 |
JP5148934B2 (ja) * | 2007-06-20 | 2013-02-20 | 京セラ株式会社 | マルチフェーズ型dc−dcコンバータ |
US8537572B2 (en) * | 2007-09-28 | 2013-09-17 | Enphase Energy, Inc. | Method and apparatus for providing power conversion using an interleaved flyback converter with automatic balancing |
KR100966339B1 (ko) * | 2008-06-11 | 2010-06-28 | 삼성전기주식회사 | 조명 구동장치 |
WO2010014991A1 (en) * | 2008-08-01 | 2010-02-04 | Pixtronix, Inc. | Circuits for control of light sources in displays |
JP2010041814A (ja) * | 2008-08-05 | 2010-02-18 | Toyota Industries Corp | 電源装置 |
US8120273B2 (en) * | 2008-10-28 | 2012-02-21 | Visteon Global Technologies, Inc. | Light control system with PWM duty cycle control using current signal feedback |
JP5006863B2 (ja) * | 2008-11-25 | 2012-08-22 | 三菱電機株式会社 | スイッチング電源装置 |
US9225254B2 (en) * | 2009-02-26 | 2015-12-29 | Koninklijke Philips N.V. | Supply circuit having at least one switching unit coupled between a bridge circuit and an associated load circuit |
CN101848574A (zh) * | 2009-03-27 | 2010-09-29 | 北京京东方光电科技有限公司 | 发光二极管背光源的驱动装置和亮度调整方法 |
JP2011024306A (ja) * | 2009-07-14 | 2011-02-03 | Sharp Corp | スイッチング電源装置 |
US8299730B2 (en) * | 2010-02-09 | 2012-10-30 | Power Integrations, Inc. | Integrated on-time extension for non-dissipative bleeding in a power supply |
CN102545670A (zh) * | 2010-12-24 | 2012-07-04 | 章伟康 | 微逆变器功率级新型拓扑结构 |
KR101315207B1 (ko) * | 2011-04-07 | 2013-10-08 | (주) 이이시스 | 대기전력을 최소화하기 위한 플라이백 방식의 교류-직류 컨버터를 이용한 전원장치 |
JP6092604B2 (ja) * | 2012-12-10 | 2017-03-08 | ローム株式会社 | Dc/dcコンバータおよびその制御回路、それを用いた電源装置、電源アダプタおよび電子機器 |
CN203102817U (zh) * | 2013-03-14 | 2013-07-31 | 深圳市华星光电技术有限公司 | 一种led背光驱动电路、背光模组和液晶显示装置 |
-
2013
- 2013-12-30 CN CN201310746727.XA patent/CN103745701B/zh active Active
-
2014
- 2014-01-15 WO PCT/CN2014/070674 patent/WO2015100805A1/zh active Application Filing
- 2014-01-15 JP JP2016561052A patent/JP6219540B2/ja active Active
- 2014-01-15 US US14/346,714 patent/US9232583B2/en not_active Expired - Fee Related
- 2014-01-15 DE DE112014006084.4T patent/DE112014006084B4/de active Active
- 2014-01-15 GB GB1610371.5A patent/GB2535932B/en active Active
- 2014-01-15 RU RU2016125812A patent/RU2635067C1/ru active
- 2014-01-15 KR KR1020167020875A patent/KR101838548B1/ko active IP Right Grant
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001210492A (ja) * | 2000-01-28 | 2001-08-03 | Olympus Optical Co Ltd | ストロボ充電回路 |
CN1575083A (zh) * | 2003-05-26 | 2005-02-02 | 三菱电机株式会社 | 高亮度放电灯的点灯装置以及其点灯方法 |
CN101833929A (zh) * | 2010-05-11 | 2010-09-15 | 福建捷联电子有限公司 | 一种液晶显示器单串led灯管推挽式直流高压驱动电路 |
CN201757975U (zh) * | 2010-05-11 | 2011-03-09 | 福建捷联电子有限公司 | 一种液晶显示器单串led灯管推挽式直流高压驱动电路 |
WO2012155325A1 (en) * | 2011-05-16 | 2012-11-22 | Intersil Americas Inc. | Dc/dc power converter with wide input voltage range |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108540114A (zh) * | 2018-06-08 | 2018-09-14 | 南京国博电子有限公司 | 一种高功率射频开关 |
Also Published As
Publication number | Publication date |
---|---|
DE112014006084B4 (de) | 2020-03-26 |
KR20160105480A (ko) | 2016-09-06 |
GB2535932B (en) | 2020-06-17 |
JP6219540B2 (ja) | 2017-10-25 |
US9232583B2 (en) | 2016-01-05 |
GB2535932A (en) | 2016-08-31 |
DE112014006084T5 (de) | 2016-09-08 |
JP2017508439A (ja) | 2017-03-23 |
CN103745701A (zh) | 2014-04-23 |
CN103745701B (zh) | 2016-05-04 |
KR101838548B1 (ko) | 2018-04-26 |
GB201610371D0 (en) | 2016-07-27 |
US20150201472A1 (en) | 2015-07-16 |
RU2635067C1 (ru) | 2017-11-08 |
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