WO2018163694A1 - Dispositif d'affichage et récepteur de télévision - Google Patents

Dispositif d'affichage et récepteur de télévision Download PDF

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Publication number
WO2018163694A1
WO2018163694A1 PCT/JP2018/004020 JP2018004020W WO2018163694A1 WO 2018163694 A1 WO2018163694 A1 WO 2018163694A1 JP 2018004020 W JP2018004020 W JP 2018004020W WO 2018163694 A1 WO2018163694 A1 WO 2018163694A1
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WO
WIPO (PCT)
Prior art keywords
display panel
plate portion
display device
bottom plate
panel
Prior art date
Application number
PCT/JP2018/004020
Other languages
English (en)
Japanese (ja)
Inventor
和也 廣田
Original Assignee
シャープ株式会社
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by シャープ株式会社 filed Critical シャープ株式会社
Publication of WO2018163694A1 publication Critical patent/WO2018163694A1/fr

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    • 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
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/64—Constructional details of receivers, e.g. cabinets or dust covers

Definitions

  • the present invention relates to a display device and a television receiver.
  • the liquid crystal display device includes a liquid crystal display panel that displays an image and a backlight that illuminates the liquid crystal display panel from the rear side.
  • An edge-light type backlight is used in which the rear side of the liquid crystal display panel is covered with a plate-shaped light guide plate, and illumination light is incident from an end surface of the light guide plate.
  • the light guide plate illuminates the liquid crystal display panel by uniformly radiating illumination light incident from the end face from a wide surface on the liquid crystal panel side. By the action of the backlight, the user can visually recognize the video displayed on the liquid crystal display panel.
  • LED Light Emitting Diode
  • a plurality of LEDs are arranged along the end face of the light guide plate. The LED generates illumination light and at the same time generates heat. The heat generated by the LED is radiated to the outside through the heat radiating plate.
  • Patent Document 1 discloses using a heat sink as a holding mechanism for holding a display panel.
  • An object of one aspect is to provide a display device and a television receiver that can achieve both flatness of the back surface and high strength.
  • Another object of the present invention is to provide a display device and a television receiver in which the heat radiating plate functions as a structural member for increasing the strength and the number of components can be reduced.
  • a display device includes a side housing that covers a first side and a third side that are sides of a rectangular display panel that displays an image on a front surface, and a second side that is a top side.
  • the rear panel disposed along the fourth side of the display panel on the rear surface side of the display panel, the display panel along the first side edge and the third side edge of the rear panel part A side plate portion that protrudes to the side and is fixed to the inner surface of the side housing, a first bottom plate portion that protrudes toward the display panel along an edge on the fourth side of the rear plate portion, and a rear plate portion
  • a heat radiating plate having a second bottom plate portion protruding to the opposite side of the display panel along the edge of the fourth side.
  • the display device includes a stand bracket to which the first bottom plate portion and the second bottom plate portion are fixed.
  • the stand bracket extends farther from the display panel than the first bottom plate portion and the second bottom plate portion.
  • the display panel is a liquid crystal display panel
  • the heat radiating plate has a holding unit that holds an illumination unit that illuminates the rear side of the display panel.
  • a television receiver includes the display device according to any one of the above and a receiving unit that receives a television broadcast, and based on the television broadcast received by the receiving unit, An image is displayed on the display device.
  • FIG. 4 is a partially enlarged view of FIG. 3. It is a perspective view of a heat sink. It is an expansion perspective view of a heat sink. It is a schematic diagram which shows the state which combined the side housing and the heat sink.
  • FIG. 1 is an external perspective view of a display device.
  • the display device 10 includes a substantially rectangular plate-shaped display unit 11 and stand brackets 20 and 20 attached to both ends of the lower edge of the display unit 11.
  • the display unit 11 includes a rectangular flat display panel 12.
  • the upper and left and right edges of the display panel 12 are covered with a side housing 13 that is an exterior member of the display unit 11.
  • FIG. 2 is a side view of the display device 10.
  • the stand metal fitting 20 extends forward and backward from the lower edge of the display unit 11. That is, in the display device 10, the display unit 11 and the stand bracket 20 are in an inverted T shape in a side view.
  • FIG. 3 is a longitudinal sectional view of the display device 10, and FIG. 4 is a partially enlarged view of FIG. An outline of a main part of the display device 10 will be described with reference to FIGS. 3 and 4.
  • the display unit 11 includes a light guide plate 14, a heat radiating plate 31, and a rear housing 16 in addition to the display panel 12 and the side housing 13.
  • the light guide plate 14 is, for example, a rectangular acrylic plate with high transparency.
  • the wide surface of the light guide plate 14 has substantially the same shape as the wide surface of the display panel 12.
  • An optical sheet is provided on the wide surface of the light guide plate 14 on the display panel 12 side.
  • a reflection sheet is provided on the wide surface of the light guide plate 14 opposite to the display panel 12.
  • the heat radiating plate 31 includes a rear plate portion 32, a first bottom plate portion 33, a second bottom plate portion 34, and a holding portion 35, each of which has a substantially rectangular plate shape.
  • the rear plate portion 32 covers the lower portion of the light guide plate 14 from the rear side.
  • the first bottom plate portion 33 projects forward from the lower side of the rear plate portion 32.
  • the second bottom plate portion 34 projects rearward from the lower side of the rear plate portion 32. That is, the rear plate portion 32, the first bottom plate portion 33, and the second bottom plate portion 34 form a substantially inverted T shape as shown in FIGS.
  • the length of the stand bracket 20 in the front-rear direction is larger than the total protruding length of the first bottom plate portion 33 and the second bottom plate portion 34, and the stand bracket 20 is compared with the first bottom plate portion 33 and the second bottom plate portion 34. Thus, it extends from the display unit 11 to the distal end.
  • 1st baseplate part 33 and stand metal fitting 20 are piled up, and are fixed at two places of the front-back direction with the 1st screw 61 and the 2nd screw 62 from the lower side.
  • the 2nd bottom plate part 34 and the stand metal fitting 20 are piled up, and are being fixed by the 3rd screw 63 and the 4th screw 64 at two places of the front-back direction from the lower side.
  • the holding part 35 projects slightly shorter than the first bottom plate part 33 in the forward direction from the rear plate part 32 slightly above the first bottom plate part 33.
  • the lengths of the long sides of the rear plate portion 32, the first bottom plate portion 33, the second bottom plate portion 34, and the holding portion 35 are substantially the same as the length of the lower side of the display unit 11.
  • the holding part 35 is parallel to the first bottom plate part 33. That is, the first bottom plate portion 33, the holding portion 35, and the rear plate portion 32 form a substantially inverted F shape as shown in FIG.
  • the illumination board 15 is fixed to the upper surface of the holding part 35 so as to face the lower end face of the light guide plate 14.
  • the illumination board 15 is a long board-shaped circuit board having substantially the same length as the long side of the light guide plate 14.
  • a plurality of white LEDs 80 are mounted on the surface of the illumination substrate 15 facing the light guide plate 14.
  • the holding portion 35 is provided separately from the first bottom plate portion 33, the influence of the portion fixed by the first screw 61 or the like is not easily transmitted to the holding portion 35, and the holding portion 35 is a case where force is applied. It is in a flat state. Therefore, it is possible to prevent breakage such as disconnection due to deformation of the illumination board 15 so as to wave, and damage, breakage, and deformation due to contact between the illumination board 15 and the end face of the light guide plate 14. In addition, when the positional relationship between the illumination substrate 15 and the light guide plate 14 is shifted due to deformation or the like, image quality deterioration due to luminance unevenness or the like does not occur.
  • the rear housing 16 is an exterior member that covers the rear surface of the display unit 11.
  • the rear housing 16 has a rectangular plate shape that is substantially the same shape as the display panel 12.
  • the side housing 13 is a substantially U-shaped frame that opens on the lower side, and has a front side edge 131 and a rear side edge 132 that protrude inward.
  • the rear edge 132 is shorter than the front edge 131.
  • the front edge 131 contacts the display panel 12 and the light guide plate 14.
  • the rear edge 132 abuts on the rear housing 16.
  • the side housing 13 is manufactured by bending a metal bar having a substantially U-shaped cross section in which a front edge 131 and a rear edge 132 are connected at one end.
  • a first substrate base 41 and a second substrate base 46 are accommodated in a housing portion 28 constituted by the rear plate portion 32, the first bottom plate portion 33, the front housing 21 and the upper housing 26.
  • the upper casing 26 is covered with a decorative board 25 that is an exterior component.
  • the input board is a board that receives a video signal input from the outside and performs predetermined signal processing.
  • the control board 24 is a board that receives a signal output from the input board and outputs a signal for controlling the driver control board 19.
  • a heat transfer section 49 is fixed to the second substrate base 46 so as to be positioned near the lower side of the lower side of the display panel 12. The heat transfer section 49 rises obliquely upward and rearward from the long side on the rear side of the rectangular plate that is long in the left-right direction.
  • the second substrate base 46 is made of a metal plate such as an aluminum alloy or a copper alloy, and has high thermal conductivity.
  • the first substrate base 41 is fixed to the upper portion of the first bottom plate portion 33 of the heat radiating plate 31.
  • the driver substrate 17 connected outward is placed along the lower side of the display panel 12.
  • the driver substrate 17 is an example of a flexible substrate connected to the display panel 12.
  • the driver board 17 is rectangular, and one long side is connected to the display panel 12.
  • a driver control board 19 is connected to the other long side of the driver board 17.
  • the driver control board 19 is a rectangular board having a long side that is approximately half the long side of the display panel 12.
  • an FPC Flexible printed circuit
  • a polyimide sheet and a metal wiring pattern are stacked is used for the driver substrate 17, for example.
  • a driver 18 is mounted on the rear surface of the driver board 17.
  • the driver 18 is disposed in front of the display surface of the display panel 12.
  • the driver 18 is an integrated circuit that outputs a drive signal for driving each pixel of the display panel 12 based on a signal input from the driver control board 19.
  • the driver board 17 contacts the heat transfer section 49 on the back side of the part where the driver 18 is mounted.
  • FIG. 5 is a perspective view of the heat radiating plate 31, and FIG. 6 is an enlarged perspective view of the heat radiating plate 31.
  • the first bottom plate portion 33 includes a first hole 71 and a second hole 72 disposed on the front side of the first hole 71.
  • Female threads are provided on the inner surfaces of the first hole 71 and the second hole 72.
  • the aforementioned first screw 61 is inserted into the first hole 71, and the aforementioned second screw 62 is inserted into the second hole 72.
  • the second bottom plate portion 34 includes a third hole 73 and a fourth hole 74 disposed on the rear side of the third hole 73.
  • Female threads are provided on the inner surfaces of the third hole 73 and the fourth hole 74.
  • the aforementioned third screw 63 is inserted into the third hole 73, and the aforementioned fourth screw 64 is inserted into the fourth hole 74.
  • the heat sink 31 has a rectangular plate-like side plate portion 36 that protrudes forward along the short sides of the left and right sides of the rear plate portion 32.
  • the side plate portion 36 is provided with five fifth holes 75 at substantially equal intervals.
  • An internal thread is provided on the inner surface of the fifth hole 75.
  • the number of the fifth holes 75 is not limited to five shown in FIG. An arbitrary number of fifth holes 75 can be provided according to the dimensions of the display device 10 and the like.
  • the rear plate part 32 has a thick part 37 that is thicker than the other parts at the part in contact with the upper side of the holding part 35. As described above, since the rear plate portion 32 has the thick portion 37 in the portion in contact with the upper side of the holding portion 35, the portion hardly deforms. For this reason, deformation due to external force mainly occurs in a portion between the holding portion 35 and the first bottom plate portion 33, and misalignment between components in the display portion 11 hardly occurs.
  • the heat radiating plate 31 is manufactured by cutting an extruded product of a highly heat conductive metal such as an aluminum alloy or a copper alloy having a T-shaped cross section and bending the end portion to form the side plate portion 36.
  • a highly heat conductive metal such as an aluminum alloy or a copper alloy having a T-shaped cross section
  • FIG. 7 is a schematic diagram showing a state in which the side housing 13 and the heat radiating plate 31 are combined.
  • the rear edge 132 of the side housing 13 is removed at the lower portion of the side housing 13, and the heat radiating plate 31 is fitted into that portion to form a rectangular frame.
  • the front side edge 131 is also removed at the lower end of the side housing 13.
  • the inner surface of the side housing 13 and the outer surface of the side plate portion 36 of the heat sink 31 are in contact with each other.
  • the side housing 13 and the side plate portion 36 are fixed by a countersunk screw inserted into the fifth hole 75 from the outside of the side housing 13.
  • the incident light is radiated from the wide surface on the front side of the light guide plate 14 as planar light by the action of the light guide plate 14.
  • the emitted planar light is transmitted from the back surface of the display panel 12 to the front side. That is, the light guide plate 14 and the illumination substrate 15 constitute a backlight that illuminates the display panel 12 from the back.
  • the illumination board 15 is an example of the illumination unit of the present embodiment that illuminates the rear side of the display panel 12.
  • a light emitter such as an organic EL (ElectroLuminescence) element may be mounted on the illumination board 15 instead of the white LED.
  • the illumination unit may be a light emitter such as a cold cathode tube.
  • edge light type backlight instead of the edge light type backlight combining the light guide plate 14 and the illumination substrate 15, a so-called direct type backlight in which a large number of white LEDs and a diffusion sheet are arranged on the rear side of the display panel 12 is used. You may do it.
  • the control board 24 connects a signal for controlling the driver control board 19 based on the video signal input from the input board. Based on the control of the driver control board 19, the driver 18 controls each pixel constituting the display panel 12. Thereby, each pixel which comprises the display panel 12 permeate
  • the illumination board 15 and the driver 18 are components that generate a large amount of heat.
  • the heat generated from the illumination board 15 is diffused through the heat radiating plate 31 to the surrounding floor, wall, air, etc. via the rear casing 16, the side casing 13 and the upper casing 26.
  • the heat generated from the driver 18 is transmitted to the heat transfer section 49 through the driver board 17, and the transmitted heat is transmitted through the heat radiating plate 31 to the rear housing 16, the side housing 13, and the upper housing. It diffuses to the surrounding floor, wall, air etc. via 26.
  • the first T-shaped heat sink 31 having the first bottom plate portion 33 protruding forward of the display panel 12 and the second bottom plate portion 34 protruding rearward of the display panel 12 is provided. Since the bottom plate portion 33 and the second bottom plate portion 34 are fixed to the stand metal fitting 20 by screwing, the rear surface of the display unit 11 can be completely flattened and high strength can be maintained. Accordingly, it is possible to provide the display device 10 that can effectively use the room space without generating a dead space.
  • the user can freely use the space between the stand brackets 20 and 20.
  • the display panel 12 and the conductive plate are guided even when receiving external force.
  • Thin members such as the optical plate 14 and the rear housing 16 can be prevented from being deformed or broken.
  • the heat radiating plate 31 also serves as a structural member, the display device 10 can be configured with a small number of components.
  • the holding portion 35 is provided separately from the first bottom plate portion 33 and the second bottom plate portion 34 that are fixed to the stand metal fitting 20, It is possible to provide the display device 10 that is less prone to breakage and image quality deterioration due to undulating deformation.
  • the display device 10 that can efficiently dissipate the heat generated by the illumination board 15 and the driver 18. Thereby, damage, deterioration, malfunction, etc. of each component by heat can be prevented.
  • a television receiver including an antenna terminal for connecting a television broadcast antenna and a tuner circuit for receiving television broadcast radio waves is mounted on the input board.
  • a predetermined process is performed on the broadcast signal received by the television receiver, and the broadcast signal is separated into a video signal and an audio signal.
  • An image is displayed on the display panel 12 based on the image signal.
  • the audio signal is output from the speaker.
  • the display device 10 as a television receiver, it is possible to provide a television receiver that exhibits the effects described above.
  • a display device 10 includes a side housing that covers a first side and a third side that are sides of a rectangular display panel 12 that displays an image on a front surface, and a second side that is a top side. 13, a rear plate portion 32 disposed along the fourth side of the display panel 12 on the rear surface side of the display panel 12, an edge on the first side of the rear plate portion 32, and a side of the third side Projecting toward the display panel 12 along the edge, projecting toward the display panel 12 along the edge on the fourth side of the side plate 36 and the rear plate 32 fixed to the inner surface of the side housing 13.
  • a heat sink 31 having a first bottom plate portion 33 and a second bottom plate portion 34 protruding to the opposite side of the display panel 12 along an edge of the rear plate portion 32 on the fourth side.
  • the present invention it is possible to achieve both flattening of the back surface of the display panel 12 and high strength.
  • the frame body that is fixed in a state where the side housing 13 and the heat radiating plate 31 are in contact with each other is configured, the display panel 12, the light guide plate 14, and the rear housing are subjected to external force.
  • a thin member such as the body 16 can be prevented from being deformed or broken.
  • the heat radiating plate 31 also serves as a structural member, the display device 10 can be configured with a small number of components.
  • the display device 10 includes a stand bracket 20 to which the first bottom plate portion 33 and the second bottom plate portion 34 are fixed.
  • the stand fitting 20 by using the stand fitting 20, stable independence can be realized. Moreover, the space between the stand metal fittings 20 and 20 can be used freely.
  • the stand bracket 20 extends farther from the display panel 12 than the first bottom plate portion 33 and the second bottom plate portion 34.
  • the display panel 12 is a liquid crystal display panel
  • the heat radiating plate 31 includes a holding unit 35 that holds an illumination unit 15 that illuminates the rear side of the display panel 12.
  • a display device 10 including a transmissive liquid crystal display panel it is possible to provide a display device 10 including a transmissive liquid crystal display panel.
  • a television receiver includes the display device 10 according to any one of the above and a receiving unit that receives a television broadcast, and based on the television broadcast received by the receiving unit, An image is displayed on the display device 10.
  • the present invention provides a television receiver that can prevent thin members such as the display panel 12, the light guide plate 14, and the rear housing 16 from being deformed or broken even when subjected to external force. can do.

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  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Optics & Photonics (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Liquid Crystal (AREA)

Abstract

L'invention concerne un dispositif d'affichage, etc., qui permet d'obtenir à la fois une planéité et une résistance immense pour sa surface arrière. Un dispositif d'affichage (10) comprend un premier côté et un troisième côté qui sont des surfaces latérales d'un panneau d'affichage (12) rectangulaire qui affiche une image vidéo sur une surface avant ; un boîtier de surface latéral (13) qui recouvre un second côté qui est le côté supérieur ; et un panneau de libération de chaleur (31) ayant une partie de panneau arrière (32) disposée le long d'un quatrième côté du panneau d'affichage (12) sur le côté de surface arrière du panneau d'affichage (12), une partie de panneau latéral fixée à une surface intérieure du boîtier de surface latérale (13) et faisant saillie vers le côté du panneau d'affichage (12) le long du premier et du troisième bord latéral du côté de panneau arrière (32), une première section de panneau de fond (33) qui fait saillie vers le côté du panneau d'affichage (12) le long du quatrième bord latéral de la section de panneau arrière (32), et une seconde section de panneau inférieur (34) qui fait saillie vers le côté opposé au panneau d'affichage (12) le long du quatrième bord latéral de la section de panneau arrière (32).
PCT/JP2018/004020 2017-03-07 2018-02-06 Dispositif d'affichage et récepteur de télévision WO2018163694A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2017-043189 2017-03-07
JP2017043189A JP6425751B2 (ja) 2017-03-07 2017-03-07 表示装置およびテレビジョン受信機

Publications (1)

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WO2018163694A1 true WO2018163694A1 (fr) 2018-09-13

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WO (1) WO2018163694A1 (fr)

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000047599A (ja) * 1998-07-29 2000-02-18 Nec Home Electron Ltd 薄形表示装置のスタンド
JP2000181370A (ja) * 1998-12-18 2000-06-30 Fujitsu Ltd フラットディスプレイ装置及びその製造方法
JP2003022030A (ja) * 2001-07-06 2003-01-24 Fujitsu General Ltd 平面型表示装置
JP2005260499A (ja) * 2004-03-10 2005-09-22 Toshiba Corp ディスプレイ装置
WO2006080335A1 (fr) * 2005-01-25 2006-08-03 Matsushita Electric Industrial Co., Ltd. Dispositif d’affichage
JP2006227513A (ja) * 2005-02-21 2006-08-31 Matsushita Electric Ind Co Ltd 表示装置
JP2008304630A (ja) * 2007-06-06 2008-12-18 Hitachi Ltd 液晶表示装置
JP2010014957A (ja) * 2008-07-03 2010-01-21 Hitachi Ltd 画像表示装置
JP2010128347A (ja) * 2008-11-28 2010-06-10 Toshiba Corp 表示装置
JP2012221787A (ja) * 2011-04-11 2012-11-12 Funai Electric Co Ltd 表示モジュールおよび表示装置

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000047599A (ja) * 1998-07-29 2000-02-18 Nec Home Electron Ltd 薄形表示装置のスタンド
JP2000181370A (ja) * 1998-12-18 2000-06-30 Fujitsu Ltd フラットディスプレイ装置及びその製造方法
JP2003022030A (ja) * 2001-07-06 2003-01-24 Fujitsu General Ltd 平面型表示装置
JP2005260499A (ja) * 2004-03-10 2005-09-22 Toshiba Corp ディスプレイ装置
WO2006080335A1 (fr) * 2005-01-25 2006-08-03 Matsushita Electric Industrial Co., Ltd. Dispositif d’affichage
JP2006227513A (ja) * 2005-02-21 2006-08-31 Matsushita Electric Ind Co Ltd 表示装置
JP2008304630A (ja) * 2007-06-06 2008-12-18 Hitachi Ltd 液晶表示装置
JP2010014957A (ja) * 2008-07-03 2010-01-21 Hitachi Ltd 画像表示装置
JP2010128347A (ja) * 2008-11-28 2010-06-10 Toshiba Corp 表示装置
JP2012221787A (ja) * 2011-04-11 2012-11-12 Funai Electric Co Ltd 表示モジュールおよび表示装置

Also Published As

Publication number Publication date
JP6425751B2 (ja) 2018-11-21
JP2018146859A (ja) 2018-09-20

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