WO2011013763A1 - Panneau d'affichage d'informations et machine de transport équipée d'un panneau d'affichage d'informations - Google Patents

Panneau d'affichage d'informations et machine de transport équipée d'un panneau d'affichage d'informations Download PDF

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Publication number
WO2011013763A1
WO2011013763A1 PCT/JP2010/062827 JP2010062827W WO2011013763A1 WO 2011013763 A1 WO2011013763 A1 WO 2011013763A1 JP 2010062827 W JP2010062827 W JP 2010062827W WO 2011013763 A1 WO2011013763 A1 WO 2011013763A1
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WO
WIPO (PCT)
Prior art keywords
light
layer
information display
display panel
reflective layer
Prior art date
Application number
PCT/JP2010/062827
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English (en)
Japanese (ja)
Inventor
誠司 滝澤
Original Assignee
凸版印刷株式会社
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Application filed by 凸版印刷株式会社 filed Critical 凸版印刷株式会社
Priority to JP2010549363A priority Critical patent/JP4748284B2/ja
Publication of WO2011013763A1 publication Critical patent/WO2011013763A1/fr

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    • 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
    • G09F13/08—Signs, boards or panels, illuminated from behind the insignia using both translucent and non-translucent layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K35/00—Instruments specially adapted for vehicles; Arrangement of instruments in or on vehicles
    • 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
    • B60Q3/00—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors
    • B60Q3/10—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors for dashboards
    • B60Q3/14—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors for dashboards lighting through the surface to be illuminated
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K2360/00—Indexing scheme associated with groups B60K35/00 or B60K37/00 relating to details of instruments or dashboards
    • B60K2360/20—Optical features of instruments
    • B60K2360/33—Illumination features
    • B60K2360/34—Backlit symbols

Definitions

  • the present invention relates to an information display panel having a printed layer on both sides of a flat light-transmitting support, and in particular, an information display having a printed layer in which a light-shielding layer having a light-shielding property and a light-reflecting reflective layer are combined.
  • the present invention relates to a transportation device including a panel and an information display panel thereof.
  • white translucent ink is applied to a position corresponding to a character / pattern portion on the surface of the viewer side of the translucent substrate, and this white A black opaque ink is applied around the translucent ink.
  • chromatic color translucent ink is applied to the position corresponding to the character / pattern part on the other side of the base material, and a lattice pattern is applied to the other part by printing with chromatic color translucent ink. Yes.
  • the light and the character / design portion are white with white translucent ink due to external light. It is visually recognized, and the ground color part other than the character / design part is visually recognized in black.
  • the light of the lamp is irradiated from the back side, so that the light that passes through the chromatic color translucent ink makes the character / picture part visible in chromatic color and is present in the other ground parts. A colored lattice pattern appears.
  • Patent Document 1 only a lattice pattern appears on the outer periphery of the character / picture when the lamp is turned on, and it has not been possible to generate indirect light on the outer periphery of the character / picture and display it beautifully.
  • the information display panel of the present invention produces an effect of indirect light leaking from the outer periphery of a character, a picture, or the like, or a combination of the indirect light and direct light when a light source disposed behind the information display panel is turned on. It is possible to do that. Due to these effects, to provide an information display panel that can display characters and pictures more beautifully by making the letters and pictures feel three-dimensional when an observer visually recognizes these lights. It is an object of the present invention.
  • the present invention has the following configuration in order to solve the above problems.
  • the invention described in claim 1 An information display panel illuminated from the back by a light source,
  • the information display panel comprises a light transmissive support, a first reflective layer, a picture layer, a light shielding layer,
  • a first reflective layer having a predetermined pattern is laminated on the surface on the observer side, which is one surface of the light transmissive support,
  • On the first reflective layer a picture layer is laminated in a state where at least part of the first reflective layer overlaps
  • a second light-shielding layer having a predetermined pattern is laminated on the surface on the side where the light source, which is the other surface of the light-transmissive support, is disposed,
  • the invention according to claim 2 is an information display panel in which a second reflective layer is laminated between the light transmissive support and the light shielding layer, and the second reflective layer and the light shielding layer are The information display panel according to claim 1, wherein the information display panel is substantially overlapped.
  • the invention according to claim 3 is an information display panel in which a second reflective layer is laminated between the light transmissive support and the light shielding layer, and the second reflective layer and the light shielding layer 2.
  • the reflectance of the first reflective layer with respect to light having a wavelength of 380 to 780 nm is 60% or more and 98% or less. It is.
  • the invention according to claim 5 is the information display panel according to claim 1, wherein the total light transmittance of the pattern layer is 0% or more and 20% or less.
  • the invention according to claim 6 is the information display panel according to any one of claims 2 to 5, wherein the light shielding layer has a total light transmittance of 0% or more and 20% or less.
  • the light transmissive support is made of polycarbonate, polypropylene, expanded polypropylene, polyethylene terephthalate, polymethyl methacrylate, acrylic, polystyrene, methacryl / styrene copolymer, or acrylonitrile / styrene copolymer.
  • the invention according to claim 9 is the information display panel according to any one of claims 1 to 7, wherein the light-transmitting support is a resin having a haze value of 12% or more and 92% or less.
  • the light transmissive support includes a light transmissive layer and a light diffusion layer
  • the light transmission layer is a resin of any one of polycarbonate, polypropylene, expanded polypropylene, polyethylene terephthalate, polymethyl methacrylate, acrylic, polystyrene, methacryl / styrene copolymer or acrylonitrile / styrene copolymer, and the light diffusion layer 8.
  • the haze value is a resin having a haze value of 12% or more and 92% or less.
  • the invention according to claim 11 is the information display panel according to claims 1 to 10, wherein the thickness of the light-transmitting support is in the range of 0.05 to 5 mm.
  • At least the information display panel according to any one of the first to eleventh aspects is disposed between an observer and a direct light source, and the other surface of the light transmissive support is the direct light mold.
  • At least the information display panel according to any one of the first to eleventh aspects is disposed between an observer and a surface light source including an edge light type light source and a light guide plate, and the light transmission is performed.
  • the information display panel of the present invention has a configuration in which a pattern layer having characters / patterns and a reflective layer capable of decorating the pattern layers are laminated on one side of a light-transmitting substrate. Different areas of the layer and the reflective layer give a three-dimensional effect due to pseudo-shadows. In addition, the light incident from the light source placed behind the information display panel leaks as indirect light from the outer peripheral part of the pattern layer with the characters and patterns, making the three-dimensional effect of the characters and patterns more intense and beautiful. There is an effect that can be displayed.
  • FIG. 1 is a sectional view of an information display panel 7 according to the first embodiment of the present invention.
  • the first reflective layer 2 and the pattern layer 3 are sequentially laminated on one surface side of the light transmissive support 1, and the light shielding layer 4 is laminated on the other surface side of the light transmissive support 1. It has been done.
  • the light source 5 is disposed on the other surface side of the light-transmissive support 1, and visual observation is performed from the viewer 6 side.
  • the light-transmitting support 1 can be selected from any of three types of configurations: transparent resin only, diffusible resin only, and a laminate of a transparent resin layer and a diffusible resin layer.
  • the transparent substrate 1 is composed of only transparent resin, polycarbonate, polypropylene, expanded polypropylene, polyethylene terephthalate, polystyrene, methacryl / styrene copolymer, acrylonitrile / styrene copolymer, polymethyl methacrylate or acrylic are used. can do.
  • the thickness of the light transmissive support 1 at this time is preferably 0.05 mm or more because workability in a process of forming a light shielding layer and a reflection layer, which will be described later, is required, and when incorporated in an information display device casing It is preferably 5 mm or less in order not to be restricted by space. Further, if the transparent resin is used alone, the loss of the amount of light when the light from the light source 5 passes through the light-transmissive support 1 can be reduced, so that characters and designs can be displayed brighter when the light source 5 is turned on. .
  • the light-transmitting support 1 is composed only of a diffusible resin, it is a polycarbonate, polystyrene, methacryl / styrene copolymer, or acrylic that has a spherical or amorphous shape and contains organic or inorganic light diffusing fine particles.
  • An organic resin containing at least one of them can be used.
  • the thickness of the light transmissive support 1 at this time is preferably 0.05 mm or more because workability in a process of forming a light shielding layer and a reflection layer, which will be described later, is required, and when incorporated in an information display device casing It is preferably 5 mm or less in order not to be restricted by space.
  • the brightness of the indirect light can be increased.
  • the transparent resin layer includes polycarbonate, polypropylene, expanded polypropylene, polyethylene terephthalate, polystyrene, methacryl / styrene copolymer, acrylonitrile / Styrene copolymer, polymethyl methacrylate or acrylic, polycarbonate, polystyrene, methacryl / styrene copolymer containing light diffusing fine particles consisting of spherical or amorphous and organic or inorganic in the diffusible resin layer, An organic resin containing at least one of acrylics can be used.
  • the thickness of the light transmissive support 1 at this time is preferably 0.05 mm or more because workability in a process of forming a light shielding layer and a reflective layer, which will be described later, is required. 5 mm or less is preferable in order not to be subject to physical restrictions.
  • a part of the direct incident light from the light source 6 is scattered by the diffusible resin layer, and the openings of the first reflective layer 2 and the first light shielding layer 3 Since it comes out to the observer 6 side from 3a periphery, the brightness
  • the order of arrangement of the transparent resin layer and the diffusible resin layer at this time, that is, which is arranged on the viewer 6 side and which is arranged on the light source 5 side may be either.
  • the first reflective layer 2 is provided on one surface of the light transmissive light transmissive support 1 (the surface on the viewer 6 side).
  • the first reflective layer 2 can be provided by screen printing.
  • letterpress printing, flexographic printing, offset printing, gravure printing, ink jet printing, and the like can be used without being limited to screen printing.
  • the thickness is not limited, a reflection effect tends to be obtained when the thickness is 5 to 30 ⁇ m.
  • the portion of the first reflective layer 2 that protrudes from the pattern layer 3 (described later) is pseudo-recognized as a shadow of the pattern layer 3 by the observer, and has the effect of making the stereoscopic effect more felt.
  • the pattern layer 3 is laminated on the first reflective layer 2 on one surface of the light transmissive support 1.
  • the pattern layer 3 can be provided by screen printing.
  • letterpress printing, flexographic printing, offset printing, gravure printing, ink jet printing, and the like can be used without being limited to screen printing.
  • black ink for the pattern layer 3, but it is not limited to black ink as long as it has a light shielding effect. There is no limitation on the thickness, but if it is 5 ⁇ m to 30 ⁇ m, a light shielding effect is likely to be obtained.
  • the light source is turned on, the light that is transmitted without being reflected by the first reflective layer 2 is blocked by the pattern layer 3, and the pattern layer 3 portion is visually recognized darkly.
  • the first reflective layer 2 and the picture layer 3 are formed in a shape having a predetermined pattern such as a character or a picture.
  • the portion where the first reflective layer 2 and the pattern layer 3 are formed may represent a pattern such as a character or a pattern, and the opening 3a that is not formed may represent the background.
  • the part in which the one reflective layer 2 and the pattern layer 3 are formed may represent the background, and the opening 3a not formed may represent a pattern such as a character or a pattern.
  • the pattern layer 3 is formed in an area smaller than the first reflective layer 2. That is, when observed from the viewer 6 side, there is a region where the first reflective layer 2 protrudes from the end of the pattern layer 3. The region where the first reflective layer 2 protrudes from the end of the pattern layer 3 is observed as if it is a shadow of the pattern layer 3, and the observer 6 feels a stereoscopic effect.
  • FIG. 3 is a plan view of the information display panel of the present invention as viewed from the observer side, and is a schematic diagram showing the arrangement relationship of the minimum circle of diameter R that can surround the pattern layer 3, the first reflective layer 2, and the pattern layer 3.
  • the entire length L0 of the outer periphery of the pattern layer 3 is the length of the broken line, and the length of the outer periphery of the pattern layer 3 in the region where the first reflective layer 2 protrudes from the end of the pattern layer 3.
  • L1 is a length obtained by combining the lengths of the left end and the lower end of the pattern layer 3.
  • the diameter of the smallest circle that can surround the characters / patterns formed by the pattern layer 3 is R, and the width of the portion where the first reflective layer 2 protrudes from the end of the pattern layer 3. Is set to L2.
  • a light shielding layer 4 is provided on the other surface (light source 5 side) of the light transmissive support 1.
  • the light shielding layer 4 can be provided by screen printing.
  • letterpress printing, flexographic printing, offset printing, gravure printing, ink jet printing, and the like can be used without being limited to screen printing.
  • the light shielding layer 4 has a pattern that is substantially the same shape as the opening 3a region where the first reflective layer 2 and the pattern layer 3 are not formed, and is provided at the same position as the opening 3a. . Therefore, the opening 4a in which the light shielding layer 4 is not formed has a pattern having substantially the same shape as the portion in which the first reflective layer 2 and the picture layer 3 are formed, and the first reflective layer 2 and the picture layer 3 is aligned and provided at substantially the same position.
  • black ink for the light shielding layer 4, but it is not limited to black ink as long as it has a light shielding effect.
  • the thickness There is no limitation on the thickness, but if it is 5 ⁇ m to 30 ⁇ m, a light shielding effect is likely to be obtained.
  • FIG. 2 shows a sectional view of the information display panel 18 according to the second embodiment of the present invention.
  • the first reflective layer 12 and the pattern layer 13 are sequentially laminated on one surface side of the light transmissive support 11, and the second reflective layer is disposed on the other surface side of the light transmissive support 11.
  • 14 and the light shielding layer 15 are laminated
  • a light source 16 is disposed on the other surface side of the light transmissive support 11 and is viewed from the viewer 17 side.
  • the materials and production methods of the light transmissive support 1, the first reflective layer 12, the pattern layer 13, and the light shielding layer 15 are the same as those in the first embodiment. Further, regarding the first reflective layer 12 and the pattern layer 13, L0, L1, L2, and R are set in the same manner as in the first embodiment, and the range of desirable (L1 / L0) values and desirable (L2 / R). ) Value range is the same as in the first embodiment.
  • the second reflective layer 14 provided on one surface of the light transmissive support 1 will be described.
  • the second reflective layer 14 can be provided by screen printing.
  • letterpress printing, flexographic printing, offset printing, gravure printing, ink jet printing, and the like can be used without being limited to screen printing.
  • the second reflective layer 14 has a pattern that is substantially the same shape as the opening 13a region where the pattern layer 13 and the first reflective layer 12 are not formed. It is aligned and provided at substantially the same position as the opening 13a. Therefore, the opening 15a in which the second reflective layer 14 is not formed has a pattern having substantially the same shape as the part in which the pattern layer 13 and the first reflective layer 12 are formed.
  • the reflective layer 12 is provided so as to be aligned at substantially the same position.
  • the light shielding layer 15 is provided on the second reflective layer 14 in the same shape as the second reflective layer 14 and aligned at the same position.
  • the light source 16 is turned on, the light reflected by the first reflective layer 12 is re-reflected by the second reflective layer 14 and emerges to the viewer 17 side, and the pattern layer 13 and the first reflective layer. Indirect light leaking from the outer periphery of the layer 12 to the viewer 17 side can be observed.
  • the thickness of the information display panels 7 and 18 is preferably in the range of 0.05 to 5 mm.
  • the surface light source consisting of an edge light type light source and a light guide plate guides the light guided from a linear light source such as a cold cathode tube into the light guide plate such as acrylic to the entire surface of the light guide plate using total reflection in the light guide plate.
  • a linear light source such as a cold cathode tube
  • the light guide plate such as acrylic
  • FIG. 3 shows the case where there is a region where the first reflective layer 2 protrudes outside the left end and the lower end of the pattern layer 3, but the region where the first reflective layer 2 protrudes. May be on either side of the pattern layer 3.
  • the pattern layer 3 in each area of the information display panel does not have an area where the first reflective layer 2 protrudes at the end near the center of the information display panel, and is closer to the peripheral edge of the information display panel. It may be set that there is a region where the first reflective layer 2 protrudes at the end.
  • the first reflective layer 2 when incorporated in an information display device and mounted on a transport device, there is no area where the first reflective layer 2 protrudes at the end of the upper picture layer 3 and at the lower end of the picture layer 3 It may be set that there is a region where the first reflective layer 2 protrudes.
  • FIG. 1 shows an embodiment of the information display panel 7 of the present invention.
  • a polycarbonate having a thickness of d is used as the light transmissive support 1, and a white ink first reflective layer 2 and a black ink pattern layer 3 are formed on one surface by screen printing, and the other surface is screen printed.
  • a black ink shading layer 4 was formed at the reversal position.
  • the first reflective layer 2 and the pattern layer 3 were formed in the shape of characters, and the light shielding layer 4 was formed as a background portion.
  • the reflectance of the first reflective layer 2 (reflectance with respect to light having a wavelength of 380 to 780 nm, the same applies hereinafter) is 80%, the total light transmittance of the pattern layer 3 is 0%, and the total light of the light shielding layer 4 The transmittance is 0%, and the haze value of the light-transmitting support 1 is 98%.
  • an LED light source of 1000 cd / m 2 was placed on the other surface side of the information display panel of the present invention and observed from a distance of 1 m.
  • the value of (L2 / R) needs to be not less than 0.25% and not more than 5% in order to obtain a sufficient stereoscopic effect without impairing the appearance of the characters. That is, it can be seen that if L2 is too large, the appearance of the characters is impaired, although a stereoscopic effect appears.
  • the first reflective layer when the value of (L1 / L0) is 30% and the value of (L2 / R) is 0.35%
  • the character portion that is, the first reflection layer 2 when the parameters of the reflectance of 2, the total light transmittance of the pattern layer 3, the total light transmittance of the light shielding layer 4, and the haze value of the light transmissive support 1 are changed.
  • Table 2 shows the results of evaluating the brightness of the outer periphery of the pattern layer 3, the appearance of indirect light, and the three-dimensional effect of characters.
  • an LED light source of 1000 cd / m 2 was placed on the other surface side of the information display panel 7 of the present invention and observed from a distance of 1 m.
  • Each evaluation is 3 or more, and the result is acceptable.
  • the light transmissive light transmissive support 1 having a haze value of 0% has a configuration in which the light transmissive light transmissive support 1 is not included in the light diffusion layer.
  • the reflectance of the first reflective layer 2 is required to be 60% or more in order to obtain sufficient brightness and indirect light brightness at the outer periphery of the character. If the reflectance is less than 60%, the amount of light reflected by the first reflective layer 2 is small, and therefore, it is presumed that the amount of light leaking to the outer periphery of the character is small.
  • the total light transmittance of the pattern layer 3 must be 20% or less in order to obtain sufficient brightness and brightness of indirect light at the outer periphery of the character. If the total light transmittance exceeds 20%, the light shielding by the pattern layer 3 is insufficient, the light is transmitted, the contrast with the outer periphery of the character is lowered, and the evaluation of the indirect light appearance is estimated to be deteriorated. Is done.
  • the total light transmittance of the light shielding layer 4 must be 20% or less in order to obtain sufficient brightness at the outer periphery of the character and to improve the evaluation of the appearance of indirect light. I can confirm that. When the total light transmittance exceeds 20%, light shielding by the light shielding layer 4 is insufficient, and light is transmitted from the entire background portion including the outer periphery of the character, and the contrast with the outer periphery of the character is lowered, so that indirect light appears. It is presumed that the evaluation will be worse.
  • the light-transmissive support 1, the first reflective layer 2, the pattern layer 3, and the light-shielding layer 4 can produce a three-dimensional effect on the character, generate indirect light on the outer periphery of the character, and display with excellent design. We were able to.
  • the information display panel produced in Example 1 was incorporated into an information display device and used for transportation equipment.
  • the structure of the transportation equipment is generally used.
  • FIG. 2 shows an embodiment of the information display panel 18 of the present invention.
  • a polycarbonate having a thickness of d is used as the light-transmitting support 1, and a first reflective layer 12 of white ink and a pattern layer 13 of black ink are formed on one surface by screen printing, and screen printing is performed on the other surface.
  • a second reflective layer 14 of white ink and a light-shielding layer 15 of black ink were formed at the positions reversed at.
  • the first reflective layer 12 and the picture layer 13 were formed in the shape of letters, and the second reflective layer 14 and the light shielding layer 15 were formed as a background portion.
  • the reflectance of the first reflective layer 12 is 80%
  • the total light transmittance of the pattern layer 13 is 0%
  • the reflectance of the second reflective layer 14 is 60%
  • the total light transmittance of the light shielding layer 15 is achieved.
  • the rate is 0%
  • the haze value of the light transmissive support 11 is 98%.
  • an LED light source of 1000 cd / m 2 was placed on the other surface side of the information display panel of the present invention and observed from a distance of 1 m.
  • the value of (L2 / R) needs to be not less than 0.25% and not more than 5% in order to obtain a sufficient stereoscopic effect without impairing the appearance of the characters. That is, it can be seen that if L2 is too large, the appearance of the characters is impaired, although a stereoscopic effect appears.
  • an LED light source of 1000 cd / m 2 was placed on the other surface side of the information display panel 18 of the present invention and observed from a distance of 1 m.
  • the light transmissive support 11 having a haze value of 0% has a configuration in which the light transmissive support 11 does not include the light diffusion layer.
  • the reflectance of the first reflective layer 12 needs to be 60% or more in order to obtain sufficient brightness and luminance of indirect light at the outer periphery of the character. If the reflectance is less than 60%, the amount of light reflected by the first reflective layer 12 is small, and therefore the amount of light leaking to the outer periphery of the character is estimated to be small.
  • the total light transmittance of the pattern layer 13 must be 20% or less in order to obtain sufficient brightness and luminance of indirect light at the outer periphery of the character. If the total light transmittance exceeds 20%, the light shielding by the pattern layer 13 is insufficient and the light is transmitted, so that the contrast with the outer periphery of the character is lowered and the evaluation of the indirect light appearance is estimated to be worse. Is done.
  • the reflectance of the second reflective layer 14 is required to be 40% or more in order to obtain sufficient brightness and indirect light brightness at the outer periphery of the character. If the reflectance is less than 40%, the light reflected from the first reflective layer 12 and the light incident on the second reflective layer 14 cannot be sufficiently reflected, so that the amount of light at the outer periphery of the character is reduced and the indirect light is viewed. It is estimated that the evaluation of
  • the total light transmittance of the light shielding layer 15 must be 20% or less in order to obtain sufficient brightness at the outer periphery of the character and to improve the evaluation of the appearance of indirect light. I can confirm that. When the total light transmittance exceeds 20%, light shielding by the light shielding layer 15 becomes insufficient, and light is transmitted from the entire background portion including the character outer peripheral portion, so that the contrast with the character outer peripheral portion is lowered and indirect light is seen. It is presumed that the evaluation will be worse.
  • the information display panel produced in Example 2 was incorporated into an information display device and used for transportation equipment. The structure of the transportation equipment is generally used.

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  • Combustion & Propulsion (AREA)
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Abstract

L'invention porte sur un panneau d'affichage d'informations apte à afficher une lettre, une image, ou analogue, de façon plus belle, de telle manière que, par l'effet d'une lumière indirecte fuyant à partir de la partie périphérique de la lettre, de l'image, ou analogue, le spectateur a un sens de profondeur lors de la reconnaissance visuelle de la lumière. Le panneau d'affichage d'informations est éclairé à partir de la face arrière, et comporte une première couche de réflexion ayant un motif prédéterminé, une couche d'image, dont au moins une partie chevauche la première couche de réflexion, et une couche de blindage de lumière ayant un motif prédéterminé, la première couche de réflexion et la couche d'image ayant été empilées sur une surface d'un corps de support transmettant la lumière, la couche de blindage de lumière étant empilée sur l'autre surface du corps de support transmettant la lumière. Lorsque la longueur périphérique totale de la couche d'image et la longueur périphérique de la couche d'image dans la région où la première couche de réflexion fait saillie au-dessus de la couche d'image sont désignées par L0 et L1, respectivement, le rapport L1/L0 est de 15 % ou plus. Lorsque le diamètre du cercle minimal qui peut comprendre un motif de dessin formé par la couche d'image ou une partie d'ouverture de la couche d'image et la valeur maximale de la largeur de la partie où la première couche de réflexion (2) fait saillie au-dessus de la couche d'image sont désignés par R et L2, respectivement, le rapport L2/R est à l'intérieur de la plage de 0,25 % à 5 %.
PCT/JP2010/062827 2009-07-31 2010-07-29 Panneau d'affichage d'informations et machine de transport équipée d'un panneau d'affichage d'informations WO2011013763A1 (fr)

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JP2010549363A JP4748284B2 (ja) 2009-07-31 2010-07-29 情報表示パネルおよびその情報表示パネルを具備した輸送機器

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JP2009179583 2009-07-31
JP2009-179583 2009-07-31

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WO2011013763A1 true WO2011013763A1 (fr) 2011-02-03

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015031548A (ja) * 2013-07-31 2015-02-16 リズム時計工業株式会社 時計文字板の照明構造
CN112289181A (zh) * 2020-03-10 2021-01-29 友达光电股份有限公司 显示装置

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JPH0121000B2 (fr) * 1983-12-27 1989-04-19 Toyoda Gosei Kk
JPH04120990U (ja) * 1991-04-12 1992-10-29 株式会社カンセイ 透過照明式表示板
JPH054189U (ja) * 1991-07-01 1993-01-22 市光工業株式会社 立体的な外観を呈する表示装置
JPH0669989U (ja) * 1993-03-12 1994-09-30 市光工業株式会社 表示装置
JP2002156925A (ja) * 2000-11-21 2002-05-31 Nippon Seiki Co Ltd 表示板

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0121000B2 (fr) * 1983-12-27 1989-04-19 Toyoda Gosei Kk
JPH04120990U (ja) * 1991-04-12 1992-10-29 株式会社カンセイ 透過照明式表示板
JPH054189U (ja) * 1991-07-01 1993-01-22 市光工業株式会社 立体的な外観を呈する表示装置
JPH0669989U (ja) * 1993-03-12 1994-09-30 市光工業株式会社 表示装置
JP2002156925A (ja) * 2000-11-21 2002-05-31 Nippon Seiki Co Ltd 表示板

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015031548A (ja) * 2013-07-31 2015-02-16 リズム時計工業株式会社 時計文字板の照明構造
CN112289181A (zh) * 2020-03-10 2021-01-29 友达光电股份有限公司 显示装置
CN112289181B (zh) * 2020-03-10 2022-06-17 友达光电股份有限公司 显示装置

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