[go: up one dir, main page]

WO2018143535A1 - Dispositif d'affichage de glace - Google Patents

Dispositif d'affichage de glace Download PDF

Info

Publication number
WO2018143535A1
WO2018143535A1 PCT/KR2017/011059 KR2017011059W WO2018143535A1 WO 2018143535 A1 WO2018143535 A1 WO 2018143535A1 KR 2017011059 W KR2017011059 W KR 2017011059W WO 2018143535 A1 WO2018143535 A1 WO 2018143535A1
Authority
WO
WIPO (PCT)
Prior art keywords
light
ice
layer
display module
display
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.)
Ceased
Application number
PCT/KR2017/011059
Other languages
English (en)
Korean (ko)
Inventor
박광일
이성재
유영문
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Pukyong National University
Original Assignee
Pukyong National University
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 Pukyong National University filed Critical Pukyong National University
Publication of WO2018143535A1 publication Critical patent/WO2018143535A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Images

Classifications

    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09FDISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F19/00Advertising or display means not otherwise provided for
    • G09F19/22Advertising or display means on roads, walls or similar surfaces, e.g. illuminated
    • G09F19/228Ground signs, i.e. display signs fixed on the ground
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09FDISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F19/00Advertising or display means not otherwise provided for
    • G09F19/12Advertising or display means not otherwise provided for using special optical effects
    • G09F19/18Advertising or display means not otherwise provided for using special optical effects involving the use of optical projection means, e.g. projection of images on clouds
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09FDISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F19/00Advertising or display means not otherwise provided for
    • G09F19/22Advertising or display means on roads, walls or similar surfaces, e.g. illuminated
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09FDISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30Indicating 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
    • G09F9/33Indicating 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
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09FDISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F19/00Advertising or display means not otherwise provided for
    • G09F19/22Advertising or display means on roads, walls or similar surfaces, e.g. illuminated
    • G09F2019/223Advertising or display means on roads, walls or similar surfaces, e.g. illuminated in pavement panels

Definitions

  • the present invention relates to an ice display device, and more particularly, to an ice display device capable of producing a visual display by installing a display module capable of displaying a display module below a ice plate such as an ice rink.
  • the production of performances on the ice represented by the ice rink is performed by directing the light toward the surface of the ice by using a directing method using dry ice and a plurality of lights located above the ice. How to produce a variety of characters or shapes.
  • the method of irradiating light from the upside that is, the method of directing only the projector image
  • the method of directing only the projector image has a problem in that the brightness and clarity of the light reflected from the ice sheet are poor, and the limitation of the vivid image is generated.
  • an object of the present invention is to solve such a conventional problem, by installing a display module on the lower portion of the surface of the ice and scattering the light emitted from the display module through the scattering layer formed on the ice, it is possible to display a variety of forms
  • the present invention provides an ice display device capable of realizing a lighter display image with better light efficiency by including a light collecting part for reflecting and condensing light emitted from each display module toward the top.
  • the above object forms an ice plate on the surface, the ice body is formed scattering layer therein; And at least one display module installed under the scattering layer in the ice body and configured to display a light through the surface by irradiating light toward the surface, wherein the display module is configured to irradiate the light. ; And it may be achieved by the ice plate display device including a light collecting unit for reflecting and condensing the light emitted from the light source toward the top.
  • the light source unit may be formed of an RGB light emitting diode (LED).
  • LED RGB light emitting diode
  • the light diffusion layer for reflecting the irradiated light at various diffusion angles may be formed on the reflective surface of the light collecting portion.
  • the diffusion angle preferably has a range between 10 degrees and 150 degrees.
  • the light collecting part may have a radius along the irradiation direction of the light and may be a straight surface.
  • the light converging part may have a radius gradually increasing in a direction along the irradiation direction of the light, and a cross section may have a shape of a secondary curved surface.
  • the scattering layer may be formed including a plurality of bubbles or may include a scattering agent.
  • the scattering agent may include silica, silicon, alumina, titanium dioxide (TiO 2), zirconia (ZrO 2), barium sulfate, zinc oxide (ZnO), and methyl polymethacrylate. (poly (methylmethacrylate)), and a benzoguanamine-based polymer.
  • the ice body is a first ice layer formed on the bottom surface; A second ice layer formed on the first ice layer and on which the display module is installed; And a third ice layer formed on the second ice layer and including the scattering layer.
  • the display module may have a form in which a plurality of light source units formed of the RGB light emitting diodes and a unit display module including the condensing units are arrayed at regular intervals.
  • the transparent cover may further include a transparent cover that is fixed to the light collecting part and transmits light, and the emission surface of the transparent cover may have a concave shape.
  • the display module can be installed on the surface of the ice by irradiating light toward the scattering layer on the upper portion by installing the display module under the ice surface.
  • the display module may include a light collecting part for condensing the light emitted from the light source toward the upper side, thereby realizing a lighter display image with better light efficiency.
  • the light diffusing layer is formed on the reflecting surface of the light collecting portion, so that white light by mixing RGB light can be easily formed.
  • FIG. 1 is a cross-sectional view of an ice display device according to an embodiment of the present invention.
  • FIG. 2 is a perspective view of a display module according to an embodiment of the present invention.
  • FIG. 3 is a partial cross-sectional view of A of FIG. 2.
  • FIG 4 illustrates various forms of the light collecting portion according to the present invention.
  • FIG. 5 is a view comparing light irradiation states when a light collecting unit is not formed around a light source unit and when a light collecting unit is formed according to the present invention.
  • FIG. 6 is an actual photograph in which a part is not formed around a light source and a part is displayed by using a display module in which a light is formed according to the present invention.
  • FIG. 7 is a graph showing light distribution distribution when a light collecting unit is formed according to the present invention.
  • FIG. 8 is a view showing a distribution of light reflected through the light diffusion layer by forming a light diffusion layer on the reflective surface of the light collecting portion according to the present invention.
  • FIG. 9 is a diagram illustrating a comparison of distribution of light reflected and spread along the light diffusion layer.
  • FIG. 10 is a diagram illustrating color distribution irradiated for each RGB light source when a light collecting unit is formed according to an embodiment of the present invention.
  • FIG. 11 is a view showing the mixed white light color distribution of the RGB light source in the case where the light diffusing layer is formed or not in the light collecting portion.
  • FIG. 1 is a cross-sectional view of an ice display device according to an embodiment of the present invention
  • FIG. 2 is a perspective view of a display module according to an embodiment of the present invention
  • FIG. 3 is a partial cross-sectional view of A of FIG. 5 shows various forms of the light collecting unit according to the present invention.
  • FIG. 5 is a view comparing the irradiation conditions of light when the light collecting unit is not formed around the light source unit and when the light collecting unit is formed according to the present invention.
  • FIG. 8 is a graph showing the distribution of light distribution
  • FIG. 8 is a view showing the distribution of light reflected through the light diffusion layer by forming a light diffusion layer on the reflecting surface of the light collecting portion according to the present invention.
  • FIG. 10 is a view illustrating a distribution of light reflected and spread according to a light diffusion layer
  • FIG. 10 is a view illustrating color distribution irradiated by RGB light sources when a light collecting unit is formed according to an embodiment of the present invention. Is a view showing the color distribution of the mixed white light of the RGB light source in the case where the light diffusion layer is formed or not.
  • the ice display device may be configured to include an ice body and a display module 200.
  • the ice body may be formed of a plurality of ice layers 110, 130, 140, and 160 as a part of forming an ice plate on a surface thereof.
  • the first ice layer 110 may be formed on the bottom surface as a part for forming the base of the whole ice body, and a coolant tube 100 may be formed at the bottom of the bottom surface to supply and circulate the refrigerant therein.
  • the first ice layer 110 and the second to fourth ice layers 130, 140, and 160 which will be described later, may be formed to a predetermined thickness by repeating the cooling process after spraying water with a spraying device or the like.
  • White paint may be applied to the upper portion of the first ice layer 110, and the white paint layer 120 may prevent the first ice layer 110 and the bottom surface from being seen from the outside and at the same time. It can be used as the background color of the display screen.
  • the second ice layer 130 including the display module 200 may be formed on the white paint layer 120.
  • the heights of the display module 200 and the second ice layer 130 are the same, but the display module 200 is formed under the second ice layer 130, that is, of the display module 200.
  • the second ice layer 130 may be formed on the upper side including the side surface.
  • the third ice layer 140, the scattering layer 150, and the fourth ice layer 160 may be sequentially formed on the second ice layer 130 including the display module 200.
  • the third ice layer 140 and the fourth ice layer 160 is preferably formed of a transparent layer.
  • the scattering layer 150 formed on the display module 200 may include a plurality of bubbles or may include a scattering agent to form an opaque layer.
  • the fluid forming the scattering layer 150 may be water.
  • the scattering agent it is preferable to use an appropriate fluid in which the fluid forming the scattering layer 150 does not dissolve in the scattering agent.
  • the scattering layer 150 scatters the light that is irradiated from the lower display module 200 and passed through the ice layer, and the scattered light is diffused and transmitted to the outside to form a display image.
  • Scattering agents forming the scattering layer 150 include silica, silicon, alumina, titanium dioxide (TiO 2), zirconia (ZrO 2), barium sulfate, zinc oxide (ZnO), Polymethyl methacrylate (poly (methylmethacrylate)), and may be at least one from the group consisting of benzoguanamine (Benzoguanamine) polymer.
  • FIG. 2 illustrates a display module 200 according to an embodiment of the present invention, wherein the unit display module may be formed in a plurality of arrays at regular or irregular intervals in the horizontal and vertical directions.
  • Each unit display module may include a light source unit 220 and a light collecting unit 230, as shown in FIG.
  • a PCB substrate 210 may be formed to control an electrical signal to the light source unit 220.
  • the unit display modules may be formed at predetermined intervals on the PCB substrate 210.
  • the light source unit 220 may be formed. As described above, the light source unit 220 emits light from the inside of the ice body to the upper surface to enable display display through the surface of the ice plate.
  • a light emitting diode may be used as the light source unit 220 used in the present embodiment, and a plurality of RGB light emitting diodes may be formed in each unit display module.
  • the light collecting unit 230 may be a member that reflects and collects light emitted from the light source unit 220, and may be formed to surround the light source unit 220 and extend in a light irradiation direction. At this time, the light collecting unit 230 prevents the light emitted from the light source unit 220 is dispersed and spread, and condenses toward the top to reduce the light loss and to implement a clearer display image.
  • the shape of the light collecting part 230 may be a structure in which the radius is gradually increased along the irradiation direction of light and the cross section forms a straight surface as shown in (a) of FIG. 4. Likewise, the radius may gradually increase along the irradiation direction of light, but the cross section may form a secondary curved surface, but is not limited thereto.
  • a transparent cover 242 formed of a transparent material may be formed on the light collecting unit 230.
  • the transparent cover 242 is irradiated from the light source unit 220 to collect the light collecting unit 230. Allow rough light to pass through.
  • the transparent cover 242 may be fixedly formed in a shape that is inserted into a groove formed in the cover part 240 covering the light collecting part 230.
  • the exit surface of the transparent cover 242 may be formed in a concave shape, in order to prevent the damage caused by impact or scratches is exposed to the outside of the exit surface of the transparent cover 242 is emitted light.
  • FIG. 5A illustrates a case in which the light collecting unit 230 is not formed
  • FIG. 5B illustrates a distribution of light emitted from each unit display module when the light collecting unit 230 is formed as in the present invention.
  • the condenser 230 when the condenser 230 is not formed, the irradiated light spreads upward at a wide angle, and some of the light is reflected from the upper cover part 240 to be opposite. Part of the light emitted from the light source unit 220 is lost.
  • a portion overlapping with light emitted from a neighboring display module may occur.
  • the condenser 230 is formed to reflect the light emitted from the light source unit 220 to focus toward the upper cover portion 240 as shown in FIG.
  • the amount of light reflected and lost from the light is reduced, and the interference between light irradiated from neighboring display modules is also reduced.
  • FIG. 6 illustrates an actual display module 200 when the control unit is configured to display an arrow using a display module 200 in which a part of the light collecting part 230 is formed and a part of the light collecting part 230 is not formed, according to the present invention.
  • the photoconcentrator 230 is applied to a portion to which the condenser 230 is applied, and thus, a clearer display image can be realized by condensing and diverging without interference between light emitted from neighboring unit display modules. have.
  • FIG. 7 illustrates a distribution of light distribution in a display module having a light collecting unit 230 according to the present invention, and it can be seen that the light irradiated intensively toward the upper irradiation direction by the light collecting unit 230 is distributed. .
  • a light diffusion layer (not shown) may be formed on the reflective surface of the light collecting unit 230.
  • the light diffusing layer may be formed by a method of coating the light diffusing agent on the surface.
  • the light diffusion layer formed on the reflective surface may reflect light emitted from the light source unit 220 as a whole toward the top, but may be reflected at various diffusion angles.
  • FIG. 9 illustrates a reflection distribution according to a light diffusion layer when light incident at a predetermined angle is reflected through a reflection surface.
  • the diffusion angle of the light diffusion layer is relatively small in FIG. 9A.
  • the case where the diffusion angle is relatively large by the light diffusion layer is shown.
  • an RGB light emitting diode may be used as the light source unit 220 of the unit display module.
  • FIG. 10 illustrates an irradiation state for each RGB light source when the light collecting unit 230 is provided according to the present invention. At this time, when the respective RGB colors are mixed, white light can be formed.
  • the light diffusion layer is formed on the reflective surface of the light converging unit 230 as described above, the light emitted from each light emitting diode may be dispersed and reflected at various angles, and thus different colors may be used. You can mix light evenly.
  • the light mixing state of the white light is good as in (a) of FIG. 11, whereas the light diffusion layer is not formed in FIG. 11. As shown in (b), it can be seen that the light mixing state of the white light is relatively poor.
  • the diffusion angle by the light diffusion layer formed on the reflective surface of the light collecting unit 230 according to the present invention preferably has a range between 10 degrees to 150 degrees.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Business, Economics & Management (AREA)
  • Accounting & Taxation (AREA)
  • Marketing (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

La présente invention concerne un dispositif d'affichage de glace, le dispositif d'affichage de glace selon la présente invention étant caractérisé en ce qu'il comprend : un corps de glace dans lequel de la glace est formée sur la surface et une couche de diffusion est formée sur l'intérieur ; et au moins un module d'affichage qui est disposé à l'intérieur du corps de glace et installé sous la couche de diffusion, et expose la surface à de la lumière, ce qui permet à un dispositif d'affichage d'être présenté à travers la surface, le module d'affichage comprenant : une unité de source de lumière qui émet de la lumière ; et une unité de collecte de lumière qui réfléchit vers le haut la lumière émise à partir de l'unité de source de lumière et collecte ainsi la lumière.
PCT/KR2017/011059 2017-02-02 2017-09-29 Dispositif d'affichage de glace Ceased WO2018143535A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2017-0014745 2017-02-02
KR1020170014745A KR20180090407A (ko) 2017-02-02 2017-02-02 빙판 디스플레이 장치

Publications (1)

Publication Number Publication Date
WO2018143535A1 true WO2018143535A1 (fr) 2018-08-09

Family

ID=63040816

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2017/011059 Ceased WO2018143535A1 (fr) 2017-02-02 2017-09-29 Dispositif d'affichage de glace

Country Status (2)

Country Link
KR (1) KR20180090407A (fr)
WO (1) WO2018143535A1 (fr)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61279267A (ja) * 1985-06-03 1986-12-10 日立プラント建設株式会社 氷中発光装置
US4667481A (en) * 1984-09-11 1987-05-26 Hitachi Plant Engineering & Construction Co., Ltd. Method of and apparatus for emitting light in ice
JP2001350198A (ja) * 2000-06-07 2001-12-21 Canon Inc スキャナ機能付きプロジェクション装置
US6866589B1 (en) * 2003-09-24 2005-03-15 Innovative Products Incorporated Ice rink
US7237396B1 (en) * 2004-03-22 2007-07-03 Briteice Technologies Llc Ice lighting device
KR20070084724A (ko) * 2006-02-21 2007-08-27 주식회사 엘지화학 이방성 확산시트
KR20160091781A (ko) * 2015-01-26 2016-08-03 엘지전자 주식회사 실외 디스플레이 장치

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100448644B1 (ko) 2002-04-12 2004-09-13 에버테크노 주식회사 휴대폰 에이징 장치
KR101419014B1 (ko) 2014-01-28 2014-07-16 주식회사 엠디텍 아이스링크 동결설비 및 시공 방법

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4667481A (en) * 1984-09-11 1987-05-26 Hitachi Plant Engineering & Construction Co., Ltd. Method of and apparatus for emitting light in ice
JPS61279267A (ja) * 1985-06-03 1986-12-10 日立プラント建設株式会社 氷中発光装置
JP2001350198A (ja) * 2000-06-07 2001-12-21 Canon Inc スキャナ機能付きプロジェクション装置
US6866589B1 (en) * 2003-09-24 2005-03-15 Innovative Products Incorporated Ice rink
US7237396B1 (en) * 2004-03-22 2007-07-03 Briteice Technologies Llc Ice lighting device
KR20070084724A (ko) * 2006-02-21 2007-08-27 주식회사 엘지화학 이방성 확산시트
KR20160091781A (ko) * 2015-01-26 2016-08-03 엘지전자 주식회사 실외 디스플레이 장치

Also Published As

Publication number Publication date
KR20180090407A (ko) 2018-08-13

Similar Documents

Publication Publication Date Title
CN101495801B (zh) 面状照明装置
US8550668B2 (en) Light control member with intersecting groups of parallel prisms, and light-emitting device using such member
WO2014051394A1 (fr) Dispositif d'éclairage et lampe de véhicule le comprenant
WO2014025193A1 (fr) Lentille pour diode électroluminescente, unité de rétroéclairage et dispositif d'affichage la comportant
WO2013015468A1 (fr) Lentille de diode électroluminescente (del) et module de diode électroluminescente (del) pour éclairage sur deux côtés, et appareil d'éclairage sur deux côtés à diode électroluminescente (del) l'utilisant
US9507072B2 (en) Light guide, manufacturing method of light guide, optical shutter, and planar light-source device
JP2008311026A (ja) 面光源装置
WO2011030941A1 (fr) Appareil de rétroéclairage à gradation locale
WO2020222358A1 (fr) Plaque de diffusion ayant une fonction de commande de trajet optique et dispositif de rétroéclairage
CN102141218B (zh) 光源装置
WO2013002596A2 (fr) Plaque optique et élément d'éclairage l'utilisant
TWI572810B (zh) Lighting device
WO2013168838A1 (fr) Structure de plaque de guidage lumineux commandant une uniformité à partir d'une partie centrale vers un bord, et lampe d'éclairage l'utilisant
US20170160590A1 (en) Backlighting device
EP4023932A1 (fr) Dispositif d'éclairage
CN101839448A (zh) 边缘光型照明装置
WO2018143535A1 (fr) Dispositif d'affichage de glace
WO2015156632A1 (fr) Élément optique et unité de rétroéclairage le comprenant
WO2017095170A1 (fr) Dispositif d'éclairage et lampe de véhicule le comprenant
JP2014056709A (ja) 照明器具
WO2014007508A1 (fr) Feuille optique à prisme inversé, unité de rétroéclairage comportant cette feuille, et dispositif d'affichage à écran plat comportant cette feuille
WO2013066048A1 (fr) Feuille optique et dispositif d'éclairage l'intégrant
WO2020166864A1 (fr) Film optique pour unité de rétroéclairage à mini-del ou micro-del
WO2016099195A1 (fr) Structure de lentille de diffusion et dispositif d'émission de lumière la comprenant
KR101078852B1 (ko) 확산판

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 17895331

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 17895331

Country of ref document: EP

Kind code of ref document: A1