WO2020040204A1 - Feuille décorative et dispositif d'affichage pourvu d'une feuille décorative - Google Patents

Feuille décorative et dispositif d'affichage pourvu d'une feuille décorative Download PDF

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Publication number
WO2020040204A1
WO2020040204A1 PCT/JP2019/032657 JP2019032657W WO2020040204A1 WO 2020040204 A1 WO2020040204 A1 WO 2020040204A1 JP 2019032657 W JP2019032657 W JP 2019032657W WO 2020040204 A1 WO2020040204 A1 WO 2020040204A1
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WO
WIPO (PCT)
Prior art keywords
decorative sheet
display device
design
less
image
Prior art date
Application number
PCT/JP2019/032657
Other languages
English (en)
Japanese (ja)
Inventor
雅人 水落
剛 天野
山中　直人
Original Assignee
大日本印刷株式会社
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 大日本印刷株式会社 filed Critical 大日本印刷株式会社
Priority to JP2020538439A priority Critical patent/JPWO2020040204A1/ja
Publication of WO2020040204A1 publication Critical patent/WO2020040204A1/fr

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Classifications

    • 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

Definitions

  • a display device that displays image light for example, as described in JP9-114003A is known. Such a display device is usually observed in black when no image is displayed.
  • design is very important. At present, display devices applied to various fields are not only expected to have a function of simply displaying an image, but are also required to have harmony in design with the surrounding environment.
  • the present inventors confirmed that such a mesh-like pattern was observed by visually recognizing the presence of at least one of the individual design part and the transmission part. That is, it has been found that the mesh pattern is generated because at least one of the individual design portions and the transmission portions is larger than the spatial resolution of the observer.
  • the present invention has been made in view of such a point, and an object of the present invention is to suppress the occurrence of a mesh-like pattern in a display device with a decorative sheet provided with a decorative sheet facing the display device.
  • the pitch of the arrangement of the transmission portions may be 200 ⁇ m or less.
  • the area occupied by the transmitting portion may be 5% or more.
  • the display device with a decorative sheet of the present invention A display device; And any one of the above-described decorative sheets arranged to face the display device.
  • the display device may include a predetermined pattern portion for forming a predetermined image.
  • the display device may include a surface light source device.
  • the display device is a surface light source device, a predetermined pattern portion for forming a predetermined image disposed on the decorative sheet side of the surface light source device, May be included.
  • FIGS. 1 and 3 are exploded perspective views schematically showing one example and another example of a display device 1 with a decorative sheet according to an embodiment of the present invention.
  • FIG. 2 is a cross-sectional view of the display device with a decorative sheet 1 shown in FIG. 1
  • FIG. 4 is a cross-sectional view of the display device with a decorative sheet 1 shown in FIG.
  • the display device 1 with a decorative sheet includes a display device 10 having a display surface 11 and a decorative sheet 20 arranged to face the display surface 11. I have.
  • the decorative sheet 20 is arranged so that the side on which the shielding portion 27 described later is provided faces the display device 10.
  • the display device with a decorative sheet 1 is shown in a flat plate shape, but each component of the display device with a decorative sheet 1 is curved, so that the display device with a decorative sheet is curved. 1 may have a curved shape.
  • the display device 10 preferably includes the surface light source device 15 and the predetermined pattern unit 13 for forming a predetermined image arranged on the decorative sheet 20 side of the surface light source device 15. .
  • a display device 10 is not a dot matrix display in which an arbitrary image can be formed by pixels, but by transmitting light from a light source to a predetermined pattern portion 13 such as a transparent film or a light-shielding material, An image is displayed.
  • the decorative sheet 20 is disposed so as to face the display surface 11 of the display device 10, and covers at least the entire display surface 11 so that the display surface 11 is not directly observed from the outside.
  • the decorative sheet 20 has a size equal to or larger than the size of the display surface 11 so as to cover the entire display surface 11 of the display device 10.
  • the decorative sheet 20 is a flat member that spreads in the same direction as the display surface 11 of the display device 10 as a whole.
  • the thickness of the decorative sheet 20 is, for example, not less than 20 ⁇ m and not more than 550 ⁇ m.
  • the pattern portion 23 forms a pattern as a design displayed by the decorative sheet 20.
  • the picture part 23 can form a picture such as a figure, a pattern, a design, a color, a picture, a photograph, a character, a mark, a character or a number as a design.
  • a design that can be harmonized with the surrounding environment in which the display device with a decorative sheet 1 is provided a woodgrain-like or marble-like design or a geometric pattern can be exemplified.
  • the design portion 23 may be a design in which a design obtained by solid printing a single color is used as a design.
  • each transmissive portion 25 has a circular shape when viewed from the front, and the plurality of transmissive portions 25 are arranged in a square lattice shape. When each transmission part 25 has a circular shape, diffusion of image light transmitted through the transmission part 25 can be suppressed.
  • the size of the design portion 22 between the transmission portions 25 is determined by the distance S between the adjacent transmission portions 25, that is, another transmission portion closest to an end of a certain transmission portion 25 and an end of the transmission portion 25. It can be defined by the distance between the end of the part 25.
  • the distance S between at least one pair of adjacent transmission parts 25 is 145 ⁇ m or less, preferably 121 ⁇ m or less, more preferably 97 ⁇ m or less, and further preferably 73 ⁇ m or less.
  • the average of the distance S between the adjacent transmission parts 25 is 145 ⁇ m or less, preferably 121 ⁇ m or less, more preferably 97 ⁇ m or less, and further preferably 73 ⁇ m or less.
  • the distance S between any adjacent transmission portions 25 is 145 ⁇ m or less, preferably 121 ⁇ m or less, more preferably 97 ⁇ m or less, and further preferably 73 ⁇ m or less.
  • the thickness of the design portion 22 is preferably 1 ⁇ m or more so that the design by the design portion 22 can be clearly displayed.
  • the thickness of the design portion 22 is preferably 30 ⁇ m or less, more preferably 20 ⁇ m or less, and further preferably 10 ⁇ m or less so that the maximum length L of the orthogonal projection of the design portion 22 is easily reduced.
  • the ratio of the thickness of the design portion 22 to the size of the design portion 22, that is, the ratio of the thickness of the design portion 22 to the distance S between the transmission portions 25, so that the maximum length L of the orthogonal projection of the design portion 22 can be easily reduced. Is preferably from 0.03 to 0.41 and more preferably from 0.06 to 0.35.
  • the transmission portion 25 may be a hole or a void as in the examples shown in FIGS. 2 and 4, but may be formed of, for example, a transparent resin. Further, the transparent resin is formed so as to cover not only the transmission part 25 but also the design part 22 from the side opposite to the side where the base part 21 is provided, that is, to cover the picture part 23 and the shielding part 27. It may be. Such a transparent resin forms the transmission part 25 and can function as a transparent protective film for protecting the picture part 23 and the shielding part 27.
  • the image light transmits through the base 21 and the transmission part 25 of the decorative sheet 20.
  • the observer can observe the image. That is, the display device with a decorative sheet 1 can display an image intended to be observed, and an external observer can observe the image.
  • the size of at least one transmissive portion 25, that is, the diameter D of the largest circle inscribed in at least one transmissive portion 25 is 145 ⁇ m or less.
  • the size of the design portion 22 between at least one transmission portion 25, that is, the distance S between at least one pair of adjacent transmission portions 25 is 145 ⁇ m or less.
  • a boundary B2 between the transmitting portion 25 of the decorative sheet 20 that transmits the image light and a transmitting portion 25 that does not transmit the image light is observed instead of the boundary B1 of the image and the region R2 where no image is displayed.
  • This boundary B2 is observed in a polygonal line shape as shown in FIG. For this reason, the boundary between the region R1 where the display device 10 displays the image and the region R2 where the image is not displayed is difficult to be smoothly observed.
  • the display device 10 is a dot matrix display
  • light from the light source is not completely shielded even in the region R2 where no image is displayed, so that a small amount of light is emitted from the region R2 where no image is displayed. For this reason, light is also emitted from the transmission portion 25 overlapping the region R2 where no image is displayed. Therefore, the contrast between the region R1 for displaying the image and the region R2 for not displaying the image is relatively small.
  • the display device 10 includes the light source and the predetermined pattern portion 13, the light from the light source is blocked by the predetermined pattern portion 13 in the region R2 where no image is displayed, so that the light is emitted from the region R2 where no image is displayed. Is hardly emitted.
  • the decorative sheet 20 has the base 21.
  • the decorative sheet 20 may have the base portion 21 removed, for example, by being peeled off in the manufacturing process.
  • the transmission part 25 can be formed as a through hole of the decorative sheet 20.
  • the transmissive portion 25 is formed on the entire decorative sheet 20.
  • the transmission part 25 may be formed only in the area of the decorative sheet 20 facing the display surface 11 of the display device 10.
  • the picture portion 23 and the shielding portion 27 are provided on the side opposite to the side of the base portion 21 facing the display device 10.
  • the picture part 23 and the shielding part 27 may be provided on the side of the base part 21 facing the display device 10. In this case, it is less likely that a foreign substance adheres to the transmission section 25 and hinders image light.
  • the display device 10 is shown as a device that emits image light, similarly to that shown in FIG. 2, but in this modified example, the display device 10 is configured as shown in FIG. It may include a light source that emits light and a predetermined pattern portion 13 such as a printed transparent film or a light shielding material.
  • the plurality of transmissive portions 25 are arranged separately from each other on the decorative sheet 20, and the design portion 22 is formed between the transmissive portions 25.
  • the plurality of design portions 22 may be arranged separately from each other, and the transmission portion 25 may be formed between the design portions 22.
  • the transmission part 25 is formed continuously so as to surround the plurality of design parts 22. Therefore, each design portion 22 is surrounded by one transmission portion 25 on the entire circumference.
  • the design part 22 includes a picture part 23.
  • each of the design portions 22 is circular when viewed from the front, but is not limited to the illustrated example, and may have an arbitrary shape.
  • the size of each design part 22 can be defined by the diameter D of the largest circle inscribed in the design part 22, and the size of the transparent part 25 between each design part 22 is determined by the size of the adjacent design part. 22, that is, the distance between the end of one design part 22 and the end of another design part 22 closest to the end of the design part 22.
  • the size of at least one design portion 22, that is, the maximum size inscribed in at least one design portion 22, in order to suppress the generation of a mesh-like pattern at least partially in the decorative sheet 20 has a diameter D of 145 ⁇ m or less, preferably 121 ⁇ m or less, more preferably 97 ⁇ m or less, and still more preferably 73 ⁇ m or less.
  • the size of the transmitting part 25 between at least one design part 22, that is, the distance S between at least one pair of adjacent design parts 22 is 145 ⁇ m or less, preferably 121 ⁇ m or less, more preferably 97 ⁇ m or less, furthermore Preferably it is 73 ⁇ m or less.
  • the average of the diameters D of the largest circles inscribed in the respective design portions 22 is 145 ⁇ m or less, preferably 121 ⁇ m or less, more preferably 97 ⁇ m or less, more preferably 73 ⁇ m or less, and the average of the distance S between the adjacent design portions 22 is 145 ⁇ m or less, preferably 121 ⁇ m or less, more preferably 97 ⁇ m or less, and still more preferably 73 ⁇ m or less.
  • the diameter D of the largest circle inscribed in any design portion 22 is 145 ⁇ m or less, preferably 121 ⁇ m or less, more preferably 97 ⁇ m or less. It is more preferably 73 ⁇ m or less, and the distance S between any adjacent design portions 22 is 145 ⁇ m or less, preferably 121 ⁇ m or less, more preferably 97 ⁇ m or less, and still more preferably 73 ⁇ m or less.
  • the above-described decorative sheet 20 and the display device 1 with the decorative sheet having the decorative sheet 20 are used for an interior member or an exterior member of a moving object such as a vehicle such as an automobile or a railway, an aircraft, a ship, and a spacecraft.
  • the decorative sheet 20 and the display device 1 with the decorative sheet having the decorative sheet 20 are used for a center console of an automobile or a door trim.
  • the decorative sheet 20 and the display device 1 with a decorative sheet having the decorative sheet 20 may be used by being incorporated into an interior or exterior member of a building, an electronic device, furniture, or an electric appliance.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

L'invention concerne une feuille décorative (20) étant disposée face à un dispositif d'affichage (10). La feuille décorative (20) comprend une partie de dessin (22) formant un dessin, et une pluralité de parties transparentes (25) qui sont disposées de manière à être espacées les unes des autres et sont des parties non formantes de la partie de dessin (22). Le diamètre D d'un plus grand cercle inscrit dans au moins une partie transparente (25) est de 145 µm ou moins. La distance S entre des parties transparentes adjacentes (25) dans au moins un ensemble de celles-ci est de 145 µm ou moins.
PCT/JP2019/032657 2018-08-21 2019-08-21 Feuille décorative et dispositif d'affichage pourvu d'une feuille décorative WO2020040204A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2020538439A JPWO2020040204A1 (ja) 2018-08-21 2019-08-21 加飾シート及び加飾シート付き表示装置

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2018154948 2018-08-21
JP2018-154948 2018-08-21
JP2019-004605 2019-01-15
JP2019004605 2019-01-15

Publications (1)

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WO2020040204A1 true WO2020040204A1 (fr) 2020-02-27

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PCT/JP2019/032657 WO2020040204A1 (fr) 2018-08-21 2019-08-21 Feuille décorative et dispositif d'affichage pourvu d'une feuille décorative

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JP (1) JPWO2020040204A1 (fr)
WO (1) WO2020040204A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115176301A (zh) * 2020-03-23 2022-10-11 株式会社东海理化电机制作所 装饰面板以及显示部

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS554458U (fr) * 1978-06-23 1980-01-12
JP2001331132A (ja) * 2000-05-23 2001-11-30 Yazaki Corp 表示装置
JP2009187902A (ja) * 2008-02-08 2009-08-20 Seiko Instruments Inc 意匠板、意匠板の製造方法、及び、表示装置
JP2012083589A (ja) * 2010-10-13 2012-04-26 Yupiteru Corp 電子機器
JP2014016392A (ja) * 2012-07-06 2014-01-30 Hiraoka & Co Ltd 異種視覚表示構造体

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS554458U (fr) * 1978-06-23 1980-01-12
JP2001331132A (ja) * 2000-05-23 2001-11-30 Yazaki Corp 表示装置
JP2009187902A (ja) * 2008-02-08 2009-08-20 Seiko Instruments Inc 意匠板、意匠板の製造方法、及び、表示装置
JP2012083589A (ja) * 2010-10-13 2012-04-26 Yupiteru Corp 電子機器
JP2014016392A (ja) * 2012-07-06 2014-01-30 Hiraoka & Co Ltd 異種視覚表示構造体

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115176301A (zh) * 2020-03-23 2022-10-11 株式会社东海理化电机制作所 装饰面板以及显示部

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