WO2020121655A1 - Dispositif d'affichage de carrosserie de véhicule - Google Patents

Dispositif d'affichage de carrosserie de véhicule Download PDF

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Publication number
WO2020121655A1
WO2020121655A1 PCT/JP2019/041673 JP2019041673W WO2020121655A1 WO 2020121655 A1 WO2020121655 A1 WO 2020121655A1 JP 2019041673 W JP2019041673 W JP 2019041673W WO 2020121655 A1 WO2020121655 A1 WO 2020121655A1
Authority
WO
WIPO (PCT)
Prior art keywords
layer
vehicle body
transmittance
light
light source
Prior art date
Application number
PCT/JP2019/041673
Other languages
English (en)
Japanese (ja)
Inventor
石原　匡
公志 大豊
人嗣 堀部
一久 高橋
Original Assignee
豊田合成株式会社
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 豊田合成株式会社 filed Critical 豊田合成株式会社
Publication of WO2020121655A1 publication Critical patent/WO2020121655A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
    • B60Q1/26—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
    • B60Q1/50—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating other intentions or conditions, e.g. request for waiting or overtaking
    • B60Q1/503—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating other intentions or conditions, e.g. request for waiting or overtaking using luminous text or symbol displays in or on the vehicle, e.g. static text
    • B60Q1/5035—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating other intentions or conditions, e.g. request for waiting or overtaking using luminous text or symbol displays in or on the vehicle, e.g. static text electronic displays
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R13/00—Elements for body-finishing, identifying, or decorating; Arrangements or adaptations for advertising purposes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V9/00—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
    • F21V9/40—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters with provision for controlling spectral properties, e.g. colour, or intensity
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00—Illuminated signs; Luminous advertising
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00—Illuminated signs; Luminous advertising
    • G09F13/04—Signs, boards or panels, illuminated from behind the insignia
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F21/00—Mobile visual advertising
    • G09F21/04—Mobile visual advertising by land vehicles

Definitions

  • the present invention relates to a vehicle body display device that causes a vehicle body to function as a display panel.
  • a display device used in a vehicle includes a light source, a transparent base material layer, a semitransparent dark color layer, an impermeable background color layer, and a coloring layer.
  • the light source is an LED whose emission color is red or the like.
  • the transparent substrate layer is a colorless and transparent substrate arranged on the front side (front side) of the light source.
  • the semi-transparent dark color layer is a dark-colored (for example, black) layer having a high transmittance and arranged in the display region on the front surface of the transparent base material layer.
  • the impermeable background color layer is a black layer disposed on the front surface of the transparent base material layer excluding the display area.
  • the colored layer is disposed on the rear surface of the transparent base material layer and is a layer colored so as to have the same color as the semitransparent dark color layer when the front side is viewed from the front side when the light source is not emitting light.
  • the semi-transparent dark color layer and the colored layer have the same color, and it is difficult to distinguish between the two layers. You can only see the tint of the dark layer.
  • the display section is visually recognized as dark, and the display area excluding the display section is illuminated with the light emission color of the light source without lowering the transmission brightness, so that the display section can be viewed from the front side. It will be possible.
  • a dark semi-transparent dark layer is used to hide the light source.
  • this display device is applied to a vehicle body display device that causes the vehicle body to function as a display panel, it is difficult to determine the boundary between the main body portion of the vehicle body and the semitransparent dark color layer in the vehicle appearance when the light source does not emit light. Therefore, it is necessary to limit the color of the main body of the vehicle body to a dark color. That is, in the above display device, in a vehicle in which the color of the vehicle body is other than a dark color, it is difficult to distinguish the boundary between the main body portion of the vehicle body and the semitransparent dark color layer when the light source does not emit light.
  • the vehicle body color is other than dark and it is difficult to distinguish the boundary when the light source does not emit light, it is necessary to use a semitransparent layer instead of the semitransparent dark layer.
  • the light source cannot be hidden when the light is not emitted. Therefore, the appearance of the vehicle is deteriorated when the light source does not emit light.
  • the present invention has been made in view of the above circumstances, and improves the appearance of the vehicle exterior when the light source arranged in the vehicle body is not emitting light, even when the vehicle body has a color other than a dark color. It is an object of the present invention to provide a display device for a vehicle body that is capable of
  • One aspect of the present invention is a vehicle body display device that uses a surface of a vehicle body as a display panel, the light source being disposed on the surface of the vehicle body and capable of switching between a light emitting state and a non-light emitting state.
  • a transmissivity variable layer disposed on the vehicle outer side of the light source, the transmissivity of the light being varied according to an energized state, and a colored semitransparent translucent layer disposed on the vehicle outer side of the transmissivity variable layer.
  • the vehicle body display device wherein the variable transmittance layer is energized and controlled so that the transmittance increases when the light source emits light and the transmittance decreases when the light source does not emit light. ..
  • the transmittance of the variable transmittance layer increases when the light source emits light, the light from the light source easily passes through the variable transmittance layer and is emitted outside the vehicle. Therefore, it is possible to realize display using the light source arranged in the vehicle body of the vehicle.
  • the transmittance of the variable transmittance layer decreases when the light source is not emitting light, it is difficult for visible light from the outside of the vehicle to pass through the variable transmittance layer even when the color of the vehicle body is other than a dark color. It becomes difficult to be incident.
  • the light source disposed inside the vehicle with respect to the variable transmittance layer becomes difficult to be visually recognized from the outside of the vehicle, so that the light source is hidden when the light source does not emit light. be able to. Therefore, even when the color of the vehicle body is other than the dark color, it is possible to improve the appearance of the vehicle exterior when the light source arranged in the vehicle body does not emit light.
  • FIG. 1 is a perspective view of a vehicle on which a vehicle body display device according to an embodiment is mounted. 1 is a cross-sectional view of a vehicle body display device according to an embodiment.
  • FIG. 4 is a diagram for explaining light transmission that occurs when the transmittance variable layer has a high transmittance in the vehicle body display device of one embodiment.
  • FIG. 4 is a diagram for explaining light transmission that occurs when the transmittance variable layer has a low transmittance in the vehicle body display device of one embodiment.
  • 4 is a flowchart of an example of a control routine executed in the vehicle body display device of one embodiment. It is sectional drawing of the display device for vehicle bodies which concerns on one modification.
  • the vehicle body display device 1 is a display device that uses a side surface, a rear surface, a hood, or the like of a vehicle body of a vehicle 2 as a display panel, as shown in FIG. 1.
  • the vehicle body of the vehicle 2 is not limited to a dark color such as black, but is painted in, for example, red, blue, gray, or white.
  • the color of the vehicle body may be a light color.
  • the vehicle body display device 1 includes a light source 10, a transparent base material layer 20, a transmittance variable layer 30, a semitransparent layer 40, and a control unit 50.
  • the light source 10 is a light emitter attached to the body 3 of the vehicle body.
  • the light source 10 is, for example, an LED capable of generating visible light, and is installed on the substrate.
  • the light source 10 is arranged in the light emitting space 11 formed in layers.
  • a display area S divided into a plurality of light emitting spaces 11 is formed on the surface of the vehicle body (specifically, a part of the entire surface).
  • the light emitting spaces 11 are arranged side by side at a predetermined pitch in the display area S.
  • three light sources 10 corresponding to red (R), green (G), and blue (B) are arranged.
  • Each light source 10 is electrically connected to the control unit 50. Each light source 10 can be switched between a light emitting state and a non-light emitting state under the control of the control unit 50.
  • the control unit 50 causes the light source 10 to emit light in accordance with the requested display, and when the non-display on the vehicle body display device 1 is requested, the control unit 50 emits the light source. The light emission of 10 is stopped.
  • the light source 10 emits light according to a light emission command from the control unit 50, and stops light emission according to a light emission stop command from the control unit 50.
  • the transparent base material layer 20 is formed to be colorless and transparent.
  • the transparent base material layer 20 is a layered panel portion having a predetermined thickness in the vehicle interior and exterior directions.
  • the transparent base material layer 20 is capable of transmitting visible light.
  • the transmittance of the transparent base material layer 20 is, for example, 30% or more.
  • the transparent base material layer 20 is a base material made of resin.
  • the transparent base material layer 20 is arranged on the vehicle outer side than the light emitting space 11 and thus the light source 10.
  • the transparent base material layer 20 has a function of protecting the light source 10 and also a function of supporting the variable transmittance layer 30 and the semitransparent layer 40.
  • the variable transmittance layer 30 is a portion such as a liquid crystal blind or electrochromic that can change the transmittance of visible light.
  • the variable transmittance layer 30 is a layered panel portion having a predetermined thickness in the inside and outside directions of the vehicle.
  • the transmittance variable layer 30 is formed of, for example, a film.
  • the variable transmittance layer 30 is arranged on the vehicle outer side of the light emitting space 11 and thus of the light source 10, and is arranged on the vehicle inner side of the transparent base material layer 20. That is, the variable transmittance layer 30 is sandwiched between the light emitting space 11 (that is, the light source 10) and the transparent base material layer 20.
  • the variable transmittance layer 30 changes between a transparent state and a non-transparent state by switching the energization by current flow or voltage application. Specifically, the variable transmittance layer 30 is in a transmissive state when energized and is in a non-transmissive state when de-energized. On the contrary, the variable transmittance layer 30 may be in a transmissive state when not energized and may be in a non-transmissive state when energized.
  • the transmission state is a state in which the transmittance of visible light is, for example, 30% or more.
  • the non-transmissive state is a state in which the transmittance of visible light is, for example, 20% or less, and is a state in which visible light is reflected and, for example, becomes cloudy or develops color.
  • the variable transmittance layer 30 for example, a functional liquid crystal blind film kasmy (manufactured by Becat Ltd.) is used. This film has a transmittance that can be varied depending on whether it is energized or not. The film has a transmittance of about 80% when energized, and when it is not energized, it becomes cloudy and is colored white or light gray.
  • the variable transmittance layer 30 is electrically connected to the control unit 50.
  • the transmittance variable layer 30 can be switched between a transparent state and an opaque state under the control of the control unit 50.
  • the control unit 50 controls the energization state of the transmittance variable layer 30 so that the transmittance increases in synchronization with the light emission of the light source 10 and the vehicle body display.
  • the energization state of the transmittance variable layer 30 is controlled so that the transmittance decreases in accordance with the stop of light emission of the light source 10.
  • the transmittance variable layer 30 is in a transparent state by being energized according to an energization command from the control unit 50, and is in an opaque state by being deenergized in accordance with an energization stop command from the control unit 50.
  • the semitransparent layer 40 is formed to be colored and semitransparent.
  • the translucent layer 40 is a layered panel portion having a predetermined thickness in the vehicle inward/outward direction.
  • the semitransparent layer 40 is formed by, for example, a film or painting.
  • the semi-transparent layer 40 can reflect visible light while transmitting it at a predetermined transmittance (for example, 50%).
  • the transmissivity of the semitransparent layer 40 may be within a predetermined range (for example, 10%-80%).
  • the semi-transparent layer 40 is a layer that is disposed outside the vehicle with respect to the transparent base material layer 20 and the variable transmittance layer 30 and is exposed to the outside of the vehicle.
  • the semi-transparent layer 40 is colored in the same color or a similar color as the color of the vehicle body.
  • the semi-transparent layer 40 may be applied with a paint that is colored on the vehicle body so as to be thinner than the paint thickness of the vehicle body.
  • the control unit 50 is a controller mainly composed of a microcomputer.
  • the control unit 50 controls switching of the light source 10 between light emission (lighting) and non-light emission (extinguishing), and also controls switching of the transmittance variable layer 30 between a transmissive state and an opaque state.
  • the control unit 50 determines whether or not a display request is made to the vehicle body display device 1 when the vehicle 2 is powered on (step S100 in FIG. 5).
  • the display request to the vehicle body display device 1 may be made, for example, by a switch operation by a vehicle driver or a user.
  • the display relating to the display request may be a signage, an advertisement, or the like, and may be switched at any time.
  • the control unit 50 When determining that the display request is made in step S100, the control unit 50 issues a light emission command for causing the light source 10 to emit light, and also issues an energization command for energizing the transmittance variable layer 30 so as to increase the transmittance (step). S110). When such a process is performed, the light source 10 emits light and the transmittance varying layer 30 enters a transmissive state in which the transmittance is increased.
  • the vehicle body display device 1 can display the display by the visible light from the light source 10 on the surface of the vehicle body, and in this case, the person outside the vehicle 2 is displayed on the vehicle body of the vehicle 2. You can see the display as it is drawn. As a result, it is possible to realize signage and advertisement using the vehicle body of the vehicle 2.
  • variable transmittance layer 30 transmits the visible light of the light source 10 with a high transmittance
  • the visible light generated by the light source 10 is displayed on the surface of the vehicle body without making the energy of the visible light excessive. be able to.
  • signage and advertisement using the vehicle body can be realized with low power consumption.
  • the control unit 50 determines that the non-display request is made in step S100, the control unit 50 issues a light emission stop command for stopping the light emission of the light source 10 and energizes the transmittance variable layer 30 so as to reduce the transmittance.
  • a stop command is issued (step S120).
  • the light source 10 does not emit light, and the transmittance variable layer 30 is in an opaque state in which the transmittance is lowered. In this case, since the visible light is not emitted from the light source 10, the visible light from the light source 10 is prevented from being emitted to the outside of the vehicle.
  • a part of the visible light entering the vehicle body from the outside of the vehicle 2 is transmitted through the semitransparent layer 40, while the other part of the visible light is reflected and the reflected light is reflected. Is emitted to the outside of the vehicle.
  • the transmittance of the variable transmittance layer 30 is lower than that when the light source 10 emits light, the variable transmittance layer 30 of the visible light transmitted from the outside of the vehicle through the semitransparent layer 40 is transmitted through the transparent base material layer 20.
  • the amount of reflected light reflected by the transparent base material layer 20 increases, the amount of transmitted light transmitted through the transmittance variable layer 30 decreases, and the reflected light reflected by the transparent base material layer 20 decreases.
  • the semi-transparent layer 40 is formed to be colored and semi-transparent, and is colored in the same color or in the same color system as the body portion 3 of the vehicle body. Therefore, when the light source 10 is not emitting light, it is difficult to distinguish the boundary between the semitransparent layer 40 and the body portion 3 of the vehicle body.
  • the color of the semitransparent layer 40 of the vehicle body display device 1 it is not necessary to limit the color of the semitransparent layer 40 of the vehicle body display device 1 to a dark color such as black in order to make it difficult to visually recognize the light source 10 from outside the vehicle when the light source 10 is not emitting light.
  • the color of the semitransparent layer 40 can be colored such as white or red other than the dark color. Even if the vehicle body is painted in a color other than dark, the semitransparent layer 40 and the body body 3 can be colored in the same color or in the same color system, so that the semitransparent layer 40 and the body body 3 are separated from each other. It is possible to make it difficult to distinguish the boundaries.
  • the vehicle body display device 1 while realizing the signage display using the light source 10 arranged on the vehicle body of the vehicle 2, even if the coating color of the vehicle body is other than the dark color, It is possible to hide the light source 10 in the non-light emitting state while making it difficult to distinguish the boundary between the semi-transparent layer 40 and the body portion 3 when the light is not emitted. This can improve the appearance of the vehicle when the light source 10 is not emitting light. Moreover, when the light source 10 is not emitting light, the display panel can be maintained in a state in which it can be regarded as the same as the vehicle body without energy consumption, and the appearance of the vehicle body can be favorably maintained.
  • the variable transmittance layer 30 is arranged inside the transparent base material layer 20 in the vehicle. According to this structure, since the variable transmittance layer 30 whose energization is controlled is covered with the transparent base material layer 20 on the outside of the vehicle 2, it is possible to prevent the variable transmittance layer 30 from being scratched, and thus the vehicle body. It is possible to improve the protection performance of the display device 1.
  • the present invention is not limited to this, and as shown in FIG. 6, the transmittance variable layer 30 may be arranged outside the transparent base material layer 20 in the vehicle. According to the structure of this modification, the position where the visible light incident from the outside of the vehicle 2 is reflected by the transmittance variable layer 30 when the light source 10 is not emitting light is on the surface layer side of the vehicle body. The appearance of can be improved.
  • the vehicle body display device 1 includes the transparent base material layer 20.
  • the present invention is not limited to this, and may be applied to the vehicle body display device 1 in which the transparent base material layer 20 does not exist.
  • Display device for vehicle body 3: Body body part, 10: Light source, 11: Light emitting space, 20: Transparent base material layer, 30: Variable transmittance layer, 40: Semitransparent layer, 50: Control part.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Theoretical Computer Science (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Accounting & Taxation (AREA)
  • Marketing (AREA)
  • Business, Economics & Management (AREA)
  • General Engineering & Computer Science (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
  • Vehicle Waterproofing, Decoration, And Sanitation Devices (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)

Abstract

La présente invention concerne un dispositif d'affichage de carrosserie de véhicule qui utilise la surface d'une carrosserie de véhicule comme panneau d'affichage. Pour améliorer l'aspect du véhicule lorsqu'une source de lumière qui est disposée sur la carrosserie de véhicule n'émet pas de lumière, même si la couleur de la carrosserie de véhicule n'est pas une couleur sombre, le dispositif d'affichage de carrosserie de véhicule comprend : une source de lumière qui est disposée sur la surface de la carrosserie de véhicule et qui peut commuter entre l'émission de lumière et la non-émission de lumière ; une couche à transmittance variable qui est disposée plus loin vers le véhicule à l'extérieur que la source de lumière et qui peut changer la transmittance de la lumière en fonction de son électrification ; et une couche semi-transparente colorée qui est disposée plus loin vers le véhicule à l'extérieur que la couche à transmittance variable. L'électrification de la couche à transmittance variable est commandée de telle sorte que la transmittance de la couche à transmittance variable augmente lorsque la source de lumière émet de la lumière et diminue lorsque la source de lumière n'émet pas lumière.
PCT/JP2019/041673 2018-12-13 2019-10-24 Dispositif d'affichage de carrosserie de véhicule WO2020121655A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2018233911A JP2020093714A (ja) 2018-12-13 2018-12-13 車両ボディ用表示装置
JP2018-233911 2018-12-13

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WO2020121655A1 true WO2020121655A1 (fr) 2020-06-18

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Publication number Priority date Publication date Assignee Title
JP6760427B2 (ja) 2019-03-19 2020-09-23 凸版印刷株式会社 調光シート、調光装置、および、調光シートの管理方法

Citations (4)

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Publication number Priority date Publication date Assignee Title
JP2008174090A (ja) * 2007-01-18 2008-07-31 Yazaki Corp 車両用照明装置
JP2012530935A (ja) * 2009-06-18 2012-12-06 アダック プラスティックス，インク． 隠し標示が設けられたトリム部品
US20170341571A1 (en) * 2016-05-26 2017-11-30 Ford Global Technologies, Llc Concealed lighting for vehicles
JP2018500216A (ja) * 2014-07-24 2018-01-11 ブルベーカー，カーチス，エム． モバイル広告、メディア、及び通信プラットフォームにおけるクリティカルマスを発生させるためのシステム、方法、及びデバイス

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Publication number Priority date Publication date Assignee Title
JP2004022350A (ja) * 2002-06-17 2004-01-22 Nissan Motor Co Ltd 車両用灯具および該車両用灯具を用いた車両用灯光装置
JP3216635U (ja) * 2018-02-27 2018-06-14 永一 梅原 自動車用表示装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008174090A (ja) * 2007-01-18 2008-07-31 Yazaki Corp 車両用照明装置
JP2012530935A (ja) * 2009-06-18 2012-12-06 アダック プラスティックス，インク． 隠し標示が設けられたトリム部品
JP2018500216A (ja) * 2014-07-24 2018-01-11 ブルベーカー，カーチス，エム． モバイル広告、メディア、及び通信プラットフォームにおけるクリティカルマスを発生させるためのシステム、方法、及びデバイス
US20170341571A1 (en) * 2016-05-26 2017-11-30 Ford Global Technologies, Llc Concealed lighting for vehicles

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