WO2019218712A1 - 发光模组及显示装置 - Google Patents
发光模组及显示装置 Download PDFInfo
- Publication number
- WO2019218712A1 WO2019218712A1 PCT/CN2019/071157 CN2019071157W WO2019218712A1 WO 2019218712 A1 WO2019218712 A1 WO 2019218712A1 CN 2019071157 W CN2019071157 W CN 2019071157W WO 2019218712 A1 WO2019218712 A1 WO 2019218712A1
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- WIPO (PCT)
- Prior art keywords
- conductive layer
- light
- light emitting
- emitting panel
- lighting module
- Prior art date
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Images
Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/1601—Constructional details related to the housing of computer displays, e.g. of CRT monitors, of flat displays
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/10—OLED displays
- H10K59/12—Active-matrix OLED [AMOLED] displays
- H10K59/131—Interconnections, e.g. wiring lines or terminals
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/18—Packaging or power distribution
- G06F1/181—Enclosures
- G06F1/182—Enclosures with special features, e.g. for use in industrial environments; grounding or shielding against radio frequency interference [RFI] or electromagnetical interference [EMI]
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/33—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/58—Structural electrical arrangements for semiconductor devices not otherwise provided for, e.g. in combination with batteries
- H01L23/60—Protection against electrostatic charges or discharges, e.g. Faraday shields
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/40—OLEDs integrated with touch screens
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/80—Constructional details
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- H10K59/871—Self-supporting sealing arrangements
- H10K59/872—Containers
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K77/00—Constructional details of devices covered by this subclass and not covered by groups H10K10/80, H10K30/80, H10K50/80 or H10K59/80
- H10K77/10—Substrates, e.g. flexible substrates
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- 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
- Y02E10/549—Organic PV cells
Definitions
- the present disclosure relates to a lighting module and a display device.
- An organic light-emitting diode (OLED) display device is a self-luminous display device, which has the advantages of wide viewing angle, high contrast, fast response speed, and low power consumption compared with a liquid crystal display device. .
- OLED display device since the OLED display device does not require a backlight, it can be manufactured to be relatively thin and light.
- OLED display technology With the development of OLED display technology, more and more OLED display devices have been widely used in electronic devices as display panels.
- OLED display device the OLED module is one of important components.
- a lighting module including:
- a body comprising a light emitting panel and a cover plate on a light exiting side of the light emitting panel;
- a conductive layer disposed at a periphery of the body, and the conductive layer is continuous in a portion from the cover to the light emitting panel
- the conductive layer is grounded.
- the conductive layer overlies a perimeter contour of the body.
- the conductive layer is a conductive ink coating.
- the conductive layer further extends to a bottom surface of the body, the bottom surface being located on a side of the light emitting panel away from the cover.
- the bottom surface of the body includes a conductive surface layer, the conductive layer being grounded via the conductive surface layer.
- the electrically conductive layer completely covers a portion of the perimeter contour of the body from the cover to the bottom surface.
- the body further includes: a touch sensor located between the cover plate and the light emitting panel.
- the conductive layer is a hydrophobic conductive layer.
- the body further includes: a decorative film disposed on a surface of the cover plate adjacent to a side of the light emitting panel; wherein the outer edge of the decorative film is located on the surface, and The portion covered by the decorative film is further provided with a light shielding layer or the conductive layer that is not permeable to light.
- the light emitting panel is an organic light emitting diode panel.
- the conductive layer covers the perimeter contour of the body, and the conductive layer also extends to the bottom surface of the body and completely covers the perimeter contour of the body from the cover to a portion of the bottom surface, the bottom surface being located on a side of the light emitting panel away from the cover plate.
- a display device comprising: the foregoing light emitting module.
- the method further includes: a main board having a ground line; wherein the conductive layer in the light emitting module is electrically connected to the ground line.
- the method further includes: a flexible circuit board located between the bottom surface of the body and the main board; wherein the conductive layer extends to a bottom surface of the body of the light emitting module, and passes through the bottom surface of the body The conductive surface layer and the flexible circuit board are electrically connected to the ground.
- FIG. 1 is a schematic structural view of an embodiment of a light emitting module according to the present disclosure
- FIG. 2 is a schematic structural view of another embodiment of a light emitting module according to the present disclosure.
- FIG. 3 is a schematic structural view of an embodiment of a display device according to the present disclosure.
- FIG. 4 is a schematic diagram of a process of static charge grounding release in the ESD test of the embodiment of FIG. 3;
- FIG. 5 is a schematic diagram of an optical path of a light emitting module
- FIG. 6 is a schematic structural view of still another embodiment of a display device according to the present disclosure.
- FIG. 7 is a schematic structural view of still another embodiment of a display device according to the present disclosure.
- a particular device when it is described that a particular device is located between the first device and the second device, there may be intervening devices between the particular device and the first device or the second device, or there may be no intervening devices.
- that particular device can be directly connected to the other device without intervening devices, or without intervening devices directly connected to the other devices.
- the inventors have found through research that in some related technologies, when an OLED module is used, a certain amount of static charge is accumulated on the cover plate, and the static charge also flows along the peripheral contour of the OLED module.
- the static charge flows to the side of the OLED panel in the OLED module, the OLED panel may be adversely affected, such as damage to the OLED panel structure or damage to the driving circuit of the OLED panel.
- the OLED module may also receive static charges that are incident on the side of the OLED module in the environment, and these static charges may also adversely affect the OLED panel.
- the embodiments of the present disclosure provide a lighting module and a display device, which can improve the ESD resistance.
- FIG. 1 is a schematic structural view of an embodiment of a light emitting module according to the present disclosure.
- the light emitting module includes a body 10 and a conductive layer 20.
- the body 10 includes a light emitting panel 16 and a cover plate 11 on the light exit side of the light emitting panel 16.
- the illuminating panel 16 is for emitting light to display an image.
- the material of the cover 11 may include glass or plastic or the like, which is disposed on the light emitting side of the light emitting panel 16 for encapsulating and protecting other components of the light emitting module.
- the light-emitting side of the light-emitting panel 16 is located on the upper side of the light-emitting panel 16, and thus the cover plate 11 is provided on the upper side of the light-emitting panel 16.
- the light emitting side of the light emitting panel 16 may be the lower side, the outer side, or the inner side of the light emitting panel.
- the light panel 16 can have a plurality of light emitting sides that point in different directions. Accordingly, one or more of the cover plates 11 may be disposed in part or all of the plurality of light emitting sides.
- conductive layer 20 is grounded and disposed at the periphery of body 10. Moreover, the conductive layer 20 is continuous in a portion from the cover 11 to the light emitting panel 16. In this way, the static charge accumulated on the cover 11 and the static charge around the body can be effectively discharged through the grounding of the conductive layer 20, thereby avoiding or reducing the adverse effect of the electrostatic discharge on the light-emitting panel, and improving the anti-static discharge capability of the light-emitting module.
- the manner in which the conductive layer 20 is grounded may include providing a conductive line on the conductive layer 20 that is capable of directing static charge to ground.
- the body 10 of the light-emitting module of the embodiment of the present disclosure may further include a polarizer 13 , a touch sensor 14 , and a foam 17 .
- the foam 17 is located on the bottom surface of the body 10 for buffering and damping the light-emitting module. Between the foam 17 and the light-emitting panel 16, it can be fixed by the mesh glue 18.
- a touch sensor 14 may be disposed on the light emitting side of the light emitting panel 16
- the polarizer 13 may be disposed on a side of the touch sensor 14 away from the light emitting panel 16 .
- OCA optically transparent adhesives
- the body 10 of the light-emitting module can also include different components according to actual use requirements, and adopt different setting positions and connection relationships.
- the touch sensor 14 Since the touch sensor 14 is located between the cover 11 and the light emitting panel 16, the conductive layer 20 is continuous in a portion from the cover 11 to the light emitting panel 16. Therefore, the touch sensor 14 is also in the setting range of the conductive layer 20, so that the static charge is prevented from entering from the side of the touch sensor 14 and adversely affecting the touch sensor 14, for example, causing the touch sensor to fail. Or damage, etc.
- the conductive layer may be partially or fully in contact with the perimeter profile of the body 10 and effectively discharge static charge through ground.
- the conductive layer 20 can be overlaid on the peripheral contour of the body, so that not only the static charge of the cover 11 can be released through the ground, but also the static charge is reduced or avoided from the conductive layer and the body 10. The gap flows to better suppress the adverse effects of electrostatic discharge on the light-emitting module.
- the light emitting panel 16 can adopt an OLED panel.
- the light-emitting panel 16 may also be a Light-Emitting Diode (LED) panel or a Quantum Dot Light-Emitting Diode (QLED) panel.
- LED Light-Emitting Diode
- QLED Quantum Dot Light-Emitting Diode
- a conductive tape, a conductive film, or the like may be attached to the peripheral contour.
- a conductive ink coating can be employed as the conductive layer, i.e., the peripheral contour of the body 10 is sprayed with conductive ink.
- the formed conductive ink coating not only can closely follow the peripheral contour of the body 10, but also has good electrical conductivity.
- the conductive layer 20 is also formed in a convenient manner, and the formed conductive layer is relatively reliable.
- the material of the conductive layer in addition to considering the electrical conductivity, other properties can be considered according to actual needs. For example, if the environment in which the light-emitting module is used is relatively humid, a hydrophobic conductive layer that repels water can be used. For the aforementioned conductive ink coating, the peripheral profile of the body 10 can be sprayed with a hydrophobic conductive ink to form a hydrophobic conductive layer.
- the hydrophobic conductive layer forms a seal on part or all of the peripheral contour of the body 10
- the water vapor in the environment can be effectively blocked, thereby improving the adaptability of the light-emitting module in a humid environment, and improving the light-emitting module. Passability of reliability testing in high temperature and high humidity environments.
- FIG. 2 is a schematic structural view of another embodiment of a light emitting module according to the present disclosure.
- a conductive layer 20' also extends from the light emitting panel 16 to the bottom surface of the body 10.
- the bottom surface is on a side of the light-emitting panel 16 away from the cover plate 11 (ie, a reverse side of the light-emitting side, corresponding to the lower side in FIG. 2).
- the conductive layer 20' can achieve more selection of ground locations, such as grounding on the bottom surface to reduce the lateral space occupied by the side ground.
- the bottom surface of the body 10 may include a conductive surface layer 171.
- the conductive layer 20' can be grounded via the conductive surface layer 171.
- the conductive surface layer 171 may include a metal layer formed by pasting or plating, for example, a metal foil layer is provided on the lower surface of the foam 17.
- conductive surface layer 171 may also include a further extension of conductive layer 20' on the bottom surface of body 10, i.e., conductive surface layer 171 includes portions of conductive layer 20' on the bottom surface of body 10.
- the conductive layer 20' when the conductive layer 20' completely covers the portion of the peripheral contour of the body 10 from the cover 11 to the bottom surface, it is possible to provide a more comprehensive electrostatic discharge protection function to the light-emitting module.
- the conductive layer 20' is a hydrophobic conductive layer, which can effectively and comprehensively block water vapor from entering the light-emitting module, thereby obtaining better environmental adaptability of the light-emitting module.
- FIG 3 is a schematic structural view of one embodiment of a display device in accordance with the present disclosure.
- the display device includes a light emitting module and a motherboard 30 having a ground.
- the conductive layer 20' in the light emitting module is electrically connected to the ground.
- the electrically conductive layer 20' and the ground on the main board 30 can be implemented by any form of electrical connection means or circuitry, such as the flexible circuit board 40 shown in FIG.
- the main board 30 may be located on the opposite side of the light exiting side of the light emitting panel 16.
- the main board 30 may also be disposed on the outer side of the circumferential direction of the light emitting module as needed.
- a flexible circuit board 40 is located between the bottom surface of the body 10 and the main board 30. Since the conductive layer 20' extends to the bottom surface of the body 10 of the light emitting module, the conductive layer 20' can be electrically connected to the ground through the conductive surface layer 171 of the bottom surface of the body 10 and the flexible circuit board 40. Specifically, the conductive surface layer 171 can be connected to the copper leakage at one end of the flexible circuit board 40 through the conductive double-sided tape, and the other end of the flexible circuit board 40 is connected to the main board 30 and directly connected to the ground line on the main board 30. Or indirectly connected electrically.
- FIG. 4 is a schematic diagram of the process of static charge grounding release of the embodiment of FIG. 2 during ESD testing.
- the solid arrows in FIG. 4 schematically represent the flow direction of the static charge in the embodiment of the present disclosure.
- the static charge flows to the periphery along the surface of the cap plate 11 after being emitted to the surface of the cap plate 11.
- the static charge enters the conductive layer 20' as it flows to the lateral or lower side surface of the cover 11, and flows along the conductive layer 20' to the bottom surface of the body 10 of the light-emitting module.
- the static charge flows to the main board 30 via the conductive surface layer 171 and the flexible circuit board 40, and the static charge is released through the ground line on the main board 30.
- FIG. 5 is a schematic diagram of an optical path of a light emitting module.
- a decorative film (DECO FILM) 19 is further disposed on the surface of the cover 11 of the light-emitting module near the side of the light-emitting panel 16.
- the decorative film is mainly used to protect circuit components such as the light emitting panel 16 or the touch sensor 14 from the side away from the cover 11 .
- the decorative film can shield the internal wiring of the light emitting module.
- the decorative film 19 is not easily flush with the edge of the cover 11 when it is attached to the cover 11, which may leave no The portion covered by the decorative film 19.
- light emitted from the side of the light-emitting panel 16 may enter the human eye through the portion, thereby causing a visual effect of a bright line at the edge of the display device.
- FIG. 6 is a schematic structural view of still another embodiment of a display device according to the present disclosure.
- an opaque conductive layer 20" may be disposed on a surface of the cover 11 of the light-emitting module near the light-emitting panel 16. That is, the conductive layer 20" extends to cover the outer edge of the decorative film 19, and is not The portion covered by the decorative film 19. Thus, when the conductive layer 20" is formed, the effect of edge shading can be achieved together, and the visual effect of the bright line at the edge of the display device can be eliminated. In order to make the conductive layer "opaque”, a black or dark conductive ink can be selected. Thus, when the conductive ink is sprayed onto the outer edge of the decorative film 19, a good light-shielding effect can be achieved.
- FIG. 7 is a schematic structural view of still another embodiment of a display device according to the present disclosure.
- a light shielding layer 60 may be further disposed on a surface of the cover 11 of the light emitting module near the side of the light emitting panel 16.
- the light shielding layer 60 may be disposed at an outer edge of the decorative film 19 and not covered by the decorative film 19.
- the light shielding layer 60 may not overlap or partially overlap the decorative film 19 in the thickness direction.
- the light shielding layer 60 may not overlap or at least partially overlap the portion of the light guiding layer 20' on the cover sheet 11.
- the light shielding layer 60 may be any material or structure capable of achieving a light shielding effect, such as a black tape or a metal plating layer having a certain thickness.
- the occlusion of the light by the light shielding layer 60 causes the light emitted from the side of the light-emitting panel to not be emitted outward from the edge of the display device, thereby eliminating the visual effect of the bright line at the edge of the display device.
- the respective embodiments of the above-described light-emitting module can be applied not only to a display device but also to other fields such as a lighting device.
- the display device can be any product or component having a display function, such as a mobile phone, a tablet computer, a television, a display, a notebook computer, a digital photo frame, a navigator, and the like.
- each component included in the light-emitting module needs to be selected and set according to its implementation function, and is not limited to the specific structure involved in the embodiments of the present disclosure.
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Abstract
Description
Claims (14)
- 一种发光模组,包括:本体,包括发光面板和位于所述发光面板的出光侧的盖板;和导电层,设置在所述本体的周边,且所述导电层在从所述盖板到所述发光面板的部分是连续的,其中,所述导电层接地。
- 根据权利要求1所述的发光模组,其中,所述导电层覆盖在所述本体的周边轮廓上。
- 根据权利要求2所述的发光模组,其中,所述导电层为导电油墨涂层。
- 根据权利要求1所述的发光模组,其中,所述导电层还延伸至所述本体的底面,所述底面位于所述发光面板远离所述盖板的一侧。
- 根据权利要求4所述的发光模组,其中,所述本体的底面包括导电表面层,所述导电层经由所述导电表面层接地。
- 根据权利要求4所述的发光模组,其中,所述导电层完全覆盖所述本体的周边轮廓上从所述盖板到所述底面的部分。
- 根据权利要求1所述的发光模组,其中,所述本体还包括:触控传感器,位于所述盖板与所述发光面板之间。
- 根据权利要求1所述的发光模组,其中,所述导电层为疏水型导电层。
- 根据权利要求1所述的发光模组,其中,所述本体还包括:装饰薄膜,设置在所述盖板上靠近所述发光面板一侧的表面上;其中,在所述表面上位于所述装饰薄膜的外缘,且未被所述装饰薄膜覆盖的部分还设有遮光层或不透光的所述导电层。
- 根据权利要求1所述的发光模组,其中,所述发光面板为有机发光二极管面板。
- 根据权利要求8所述的发光模组,其中,所述导电层覆盖在所述本体的周边轮廓上,且所述导电层还延伸至所述本体的底面,并完全覆盖所述本体的周边轮廓上从所述盖板到所述底面的部分,所述底面位于所述发光面板远离所述盖板的一侧。
- 一种显示装置,包括:权利要求1~11任一所述的发光模组。
- 根据权利要求12所述的显示装置,还包括:主板,具有地线;其中,所述发光模组中的导电层与所述地线电连接。
- 根据权利要求13所述的显示装置,还包括:柔性电路板,位于所述本体的底面和所述主板之间;其中,所述导电层延伸至所述发光模组的本体的底面,并通过所述本体底面的导电表面层和所述柔性电路板与所述地线电连接。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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US16/621,454 US11257892B2 (en) | 2018-05-18 | 2019-01-10 | Light-emitting module and display device |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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CN201810478201.0A CN108615749B (zh) | 2018-05-18 | 2018-05-18 | 发光模组及显示装置 |
CN201810478201.0 | 2018-05-18 |
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WO2019218712A1 true WO2019218712A1 (zh) | 2019-11-21 |
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PCT/CN2019/071157 WO2019218712A1 (zh) | 2018-05-18 | 2019-01-10 | 发光模组及显示装置 |
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US (1) | US11257892B2 (zh) |
CN (1) | CN108615749B (zh) |
WO (1) | WO2019218712A1 (zh) |
Families Citing this family (11)
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CN108615749B (zh) * | 2018-05-18 | 2020-04-28 | 京东方科技集团股份有限公司 | 发光模组及显示装置 |
KR20210030527A (ko) * | 2019-09-09 | 2021-03-18 | 삼성디스플레이 주식회사 | 표시 장치 |
KR20220022926A (ko) | 2020-08-19 | 2022-03-02 | 삼성디스플레이 주식회사 | 표시 장치 |
CN112599707B (zh) * | 2020-12-15 | 2023-01-20 | 云谷(固安)科技有限公司 | 发光模组及显示装置 |
KR20220092214A (ko) | 2020-12-24 | 2022-07-01 | 엘지디스플레이 주식회사 | 표시 모듈 및 표시 장치 |
KR20220092213A (ko) * | 2020-12-24 | 2022-07-01 | 엘지디스플레이 주식회사 | 표시 모듈 및 표시 장치 |
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US20200227504A1 (en) | 2020-07-16 |
US11257892B2 (en) | 2022-02-22 |
CN108615749B (zh) | 2020-04-28 |
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