WO2004068451A1 - ディスプレイ装置 - Google Patents
ディスプレイ装置 Download PDFInfo
- Publication number
- WO2004068451A1 WO2004068451A1 PCT/JP2003/000834 JP0300834W WO2004068451A1 WO 2004068451 A1 WO2004068451 A1 WO 2004068451A1 JP 0300834 W JP0300834 W JP 0300834W WO 2004068451 A1 WO2004068451 A1 WO 2004068451A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- light
- display
- display device
- main body
- incident
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
- G02B6/0015—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it
- G02B6/002—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it by shaping at least a portion of the light guide, e.g. with collimating, focussing or diverging surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B44—DECORATIVE ARTS
- B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
- B44C5/00—Processes for producing special ornamental bodies
- B44C5/005—Processes for producing special ornamental bodies comprising inserts
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
- G02B6/004—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles
- G02B6/0041—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles provided in the bulk of the light guide
Definitions
- the present invention relates to a display device. More particularly, the present invention relates to a display device used for a show window, a wall window, a showcase, a signboard, and the like formed of a transparent material having optical properties.
- a drawing part is formed inside a member made of a transparent material such as glass or acrylic resin.
- the member is divided into two parts, and the drawing part is printed on the inner surface by silk printing or the like, and then pasted.
- the method of joining has been used in which a separate drawing part is sandwiched between two separate members.
- these methods have problems in that, since the members are divided and then pasted, a beautiful product cannot be produced and the cost is high, although the number of production steps is increased.
- in forming a drawing portion by printing there was a problem that the printing peeled off and deteriorated with time.
- ⁇ indicates that the drawing part is formed by a collection of holes, so that the entire drawing part can be illuminated.
- the center of each hole is No light is emitted from the vicinity of the unit, and no shadow of the drawing unit is formed on the surface opposite to the side on which the person is looking, so that the drawing unit cannot be given a three-dimensional effect.
- dust or the like accumulates in the hole, it becomes dirty, and it is very difficult to clean the dust that has accumulated.
- the members manufactured by the method of the fifth row 2 cannot be used for a show window facing the road surface, etc., because the front and rear surfaces are communicated by the holes, and the use is limited. .
- any of the methods of the first and second rows no special processing is performed on the surface on which the light is incident, so that the efficiency of light incident on the member is low. Then, there is a problem that a sufficient light emitting effect cannot be obtained unless the intensity of incident light is increased.
- the present invention can form a three-dimensionally visible drawing inside a member formed of a transparent material, and can be used in any place.
- the purpose of the present invention is to provide a display device that can increase the incident efficiency to members and save energy. Disclosure of the invention
- the display device of the first invention is a light emitting device formed of a light transmissive material.
- What is claimed is: 1.
- a device comprising a processed light-entering portion and a light-emitting body for entering light into the light-entering portion, wherein a venomous light portion has a plurality of holes formed three-dimensionally inside a knitted display main body. It is assumed that it is composed of
- the display device of the second invention is the display device according to the first invention, wherein the ttlf self-light reflecting portion is a plurality of gaps, and the gaps of the number of words are three-dimensionally arranged inside the display body.
- the display device is the display device according to the first aspect, wherein the light reflecting portion is a concave hole of a fiber formed so as to be depressed from the light emitting surface.
- a display device is the display device according to the first aspect, wherein the light-entering portion includes a concave portion that is recessed inward, and that the light-emitting body is provided inside the concave portion.
- a plurality of the concave portions are provided in the light incident portion.
- a display device is the display device according to the first aspect, wherein the input surface roughness is not more than 0.10 ⁇ .
- the light incident portion includes a plurality of lenses, and light enters the inside of the filffi display main body through the lenses.
- the display device is the display device according to the first aspect, wherein the light incident portion has a surface formed in a diffused state.
- the display device is the display device according to the first aspect, wherein the luminous body is a light-emitting diode.
- a display device is the display device according to the first aspect, wherein the luminous body is an optical fiber having one end disposed in a light incident portion of the display main body and the other end connected to a light source.
- the display device of the eleventh invention is the display device according to the first invention, wherein the disgusting luminous body is formed by a prism disposed in the light entrance of the disgusting display body and a light source for supplying light to the prism. Become a monarch.
- a display device is the display device according to the first aspect, wherein the self-illuminating light emitting surface is formed in a diffused state.
- FIG. 1 is a schematic explanatory diagram of a display device 1 of the present embodiment.
- FIG. 2 is a schematic explanatory view of the display device 1 of the present embodiment, in which (A) is a front view, and (B) is a cross-sectional view taken along line BB of (A).
- FIG. 3 is a diagram showing a state of light BM in the gap 7.
- FIG. 4 is a schematic explanatory diagram of a display main body 2 of another embodiment.
- FIG. 1 is a schematic explanatory diagram of a display device 1 of the present embodiment.
- FIG. 2 is a schematic explanatory view of the display device 1 of the present embodiment, in which (A) is a front view, and (B) is a cross-sectional view taken along the line BB of (A).
- reference numeral 2 indicates a display main body of the display device 1 of the present embodiment.
- the display body 2 is used for a show window, a signboard, and the like, and can adopt various shapes such as a flat plate, a cylinder, a cone, and a sphere, and the shape is not particularly limited! ,.
- the material of the display body 2 is, for example, plastic such as glass or acrylic resin, crystal, or the like, but is not particularly limited as long as it is a material that emits light.
- the display main body 2 has a light emitting surface 5 and a light incident part 3 on its surface.
- the light emitting surface 5 is a surface formed so that the light BM passing through the inside of the display body 2 can be emitted to the outside, and is usually processed to be a smooth surface.
- the part 3 is formed such that the normal to the surface thereof intersects with the normal to the aversion light emitting surface 5. Specifically, as shown in FIGS. 1 and 2, when the display main body 2 has a flat plate shape and the light emitting surfaces 5 are formed on both front and rear surfaces of the display main body 2, the light incident portion 3 'It is provided on the side surface of the main body 2 and the upper and lower surfaces.
- the light incident portion 3 is formed only on one side surface of the display main body 2, but the light incident portion 3 may be provided on both side surfaces, or the upper and lower portions may be replaced with the side surfaces. It may be provided on the surface, or may be provided on both sides and all of the upper and lower surfaces, that is, on the entire peripheral surface of the display main body 2.
- the display body 2 is cylindrical, the end face in the direction of the central axis can be the light-entering section 3, the side curved surface can be the light-emitting surface 5, and the display body 2 can be spherical. If, the normals on the surface all intersect at the center of the sphere, so that the surface can function as both the light incident portion 3 and the light emitting surface 5.
- the light incident portion 3 is formed with a plurality of recesses 4 that are recessed from the surface of the light entrance portion 3 toward the bottom of the display body 2, and into which light BM is incident toward the inner surface of the recess 4. 10 are provided respectively.
- the inner surface of the concave portion 4 is subjected to a light incident adjustment process for adjusting the state of the light BM incident from the light emitter 10, which will be described in detail later.
- the cross section perpendicular to the axial direction of the recess 4 may be any shape such as a circle, a square, or a triangle, and the shape of the inner bottom portion may be a sphere, a cylinder, a cone, a wedge, a flat surface, or the like. However, it may have any shape.
- the concave portion 4 may have any shape as long as it is concave from the surface of the light incident portion 3 toward the inside of the display main body 2.
- the light reflecting portion 6 has a force S formed in the portion 2 of FIG.
- the light reflecting portion 6 is formed by a plurality of voids 7.
- the plurality of voids 7 are formed by the laser processing technique of the ⁇ port described in the above-mentioned subordinate, and are arranged inside the display main body 2 in a three-dimensional manner ( See Figure 1 and Figure 2).
- the method for forming the void 7 is not limited to the method described in the subordinate column, and any method may be used.
- each light gap 7 glows inside the display main body 2 by the light BM that has been recognized in each light gap 7.
- the entire light reflecting portion 6 formed by the plurality of voids 7 shines inside the display main body 2, it is possible to form a highly visible and beautiful drawing on the display main body 2.
- the light emitting surface 5 of the display body 2 is usually formed as a smooth surface, the light BM reflected by the light reflecting portion 6 can be prevented from being irregularly reflected on the light emitting surface 5.
- the form of the light reflecting portion 6 can be displayed more clearly and clearly.
- the air gap 7 does not penetrate the display main body 2, it is possible to use a show window formed in any way.
- the light emitting surface 5 of the display body 2 may be formed in a state where the surface has a large amount of irregular reflection, that is, in a diffused state. Although the form of the light reflecting portion 6 can be visually recognized, the light emitting surface 5 of the display main body 2 can obtain a blinding effect by the force of turning into a frosted glass-like state, or by the display main body 2. In this ⁇ ⁇ ⁇ , the light BM reflected by the light reflecting portion 6 is irregularly reflected by the light emitting surface 5, so that the shape of the light reflecting portion 6 is not clearly displayed, but is displayed in a blurred state. It is suitable as an indoor display or the like that can give a fantastic soft impression and can calm human feelings.
- the light reflecting portion 6 is formed by arranging a plurality of voids 3 in a three-dimensional manner, the position where the void 7 shines in the display main body 2 becomes three-dimensional and is formed by the light reflecting portion 6. This can cause standing in the drawing. Since the light BM reflected by the light reflecting portion 6 is further reflected by the light emitting surface 5 on the side opposite to the side on which the person is looking, the shadow of the light reflecting portion 6 is reflected on the light emitting surface 5 on the opposite side. It can be given to those who are looking at the impression that is formed. Therefore, the standing of the image formed by the light reflecting portion 6 is emphasized.
- the light reflecting portion 6 may be formed by a plurality of concave holes that are recessed inward from the light emitting surface 5. If the depth of the concave hole is changed, the position where the hole shines in the display main body 2 becomes three-dimensional, and a three-dimensional effect can be generated in the drawing formed by the light reflecting portion 6. Since the force is also a concave hole and does not penetrate the display body 2, the light ⁇ reflected by the light reflecting portion 6 is further reflected by the light emitting surface 5 on the side opposite to the side on which the person is looking. It can be given to a person who sees the impression that the shadow S of the light reflecting portion 6 is formed on the light emitting surface 5 of the light reflecting surface 6. Therefore, the standing of the drawing formed by the light reflecting portion 6 is emphasized.
- the luminous body 10 is arranged in the concave portion 4 of the light incident portion 3, the area where the light BM is incident can be increased.
- the efficiency of incidence of the light BM emitted from the illuminant 10 on the display main body 2 can be increased, so that even if the luminous intensity of the illuminant 10 is low, the light reflecting portion 6 can be sufficiently illuminated. it can.
- the AI efficiency is high, it is possible to increase the size of the luminous body 10 or to make the structure of a device that requires the use of a light source or a compact light source compact, thereby saving energy.
- the inner surface of the turning portion 4 functions as a lens, by adjusting the curvature ⁇ of the inner surface of the concave portion 4, it is possible to adjust the region where the light BM incident from each light emitter 10 is diffused. Thus, the state in which the light reflecting portion 6 is shining can be easily and reliably adjusted to a desired state.
- the light incident portion 3 may be a flat surface without providing the concave portion 4. Since the processing force S of the display main body 2 is easy, the processing of the device is easy, and the display can be manufactured at low cost. It goes without saying that the light incident adjustment processing is performed on the surface of the light incident section 3.
- the light incident adjustment processing is, for example, a light transmission processing that reduces the surface roughness of the inner surface of the concave portion 4 to prevent irregular reflection on the inner surface of the concave portion 4, and conversely, the inner surface of the concave portion 4 has a large tongue on the inner surface thereof.
- Examples of the diffusion process include a diffusion process in which the glass is in a diffused state, specifically, a satin-like state in the case of glass, that is, a state like a ground glass, a process of adjusting the width of the light beam of the light BM that is Alt emitted from the light emitter 10, and the like.
- ⁇ is to polish the inner surface of the recess 4
- the surface roughness is reduced to a centerline average roughness of 0.1100 ⁇ m or less, that is, a mirror surface or a similar surface. If it is processed into a state, the irradiation of the tongue LR of the light BM can be reliably suppressed, so that the incidence efficiency can be further increased, the structure of the device can be made compact, and energy can be saved. If the value is set to 0.025 to 0.080 ⁇ 3 ⁇ 4! 3 ⁇ 4, the incident efficiency can be kept higher without extremely increasing the processing accuracy. In particular, if the surface roughness of the inner surface of the concave portion 4 is set to 0.035 to 0.08 ⁇ m3 ⁇ 4, processing becomes easier, and the force of visible light can efficiently enter the visible light. It is suitable.
- the light BM incident from the luminous body 10 is irregularly reflected on the inner surface of the concave portion 4, so that the efficiency of the light BM is reduced s . It can be spread to all areas. Then, as described later, when light BMs having different wavelengths are incident on the display main body 2 from the light emitters 10 provided in the respective recesses 4, all the light BMs are illuminated in an unpleasant color.
- the reflecting part 6 can be made to shine.
- a process of adjusting the width of the light flux of the light BM incident from the luminous body 10 specifically, if a plurality of lenses are attached to the surface of the light entrance section 3 or the like, Alt Since the diffusion and collection of the light BM thus obtained can be freely adjusted, the state in which the light unit 6 is lit can be easily and reliably adjusted to a desired state. If a lens capable of condensing light is used as a plurality of lenses, the intensity of the light BM applied to the light reflecting portion 6 can be increased. Without this, the light emission intensity of the light reflection part 6 can be increased. Therefore, the structure of the device can be made compact, and energy saving can be achieved.
- the light emitter 10 can use any light as long as light BM can be applied to the display body 2 by ⁇ ! ⁇ . Even in this case, strong light can be generated, and since its life is long, frequent replacement is not required and maintenance becomes easy, which is preferable.
- the light-emitting body 10 may have a structure in which light emitted from the light source is transmitted to the display main body 2 through an optical fiber.
- the light source since the light source can be installed at a position away from the display body 2, restrictions on the size of the light source etc. are reduced. And the degree of freedom of the light source used can be increased. Further, since it is only necessary to provide an optical fiber in the display main body 2, the space for placing the display main body 2 can be reduced, and the degree of freedom of the installation location, the shape of the display main body 2, and the like can be increased. Furthermore, if the light of one light source is split and supplied to a plurality of optical fibers, one light source can be used for a plurality of display devices 1. Then, since it is not necessary to provide a light source for each display device 1, the device can be made compact and the cost of equipment can be reduced.
- the light emitter 10 if a prism is used as the light emitter 10 and the light BM is made incident on the light entrance 3 through this prism, it is possible to split the light into a plurality of wavelengths even from white light. Then, even if a ⁇ fluorescent lamp or the like is used as a light source, light with a plurality of wavelengths can be made incident on the light reflecting portion 6, so that the light source used in the conventional display can be used as it is.
- the drawing can be illuminated in a plurality of colors, the structure of the device can be simplified, and power can be manufactured at a low cost.
- a plurality of recesses 4 are formed along the vertical direction of the display main body 2 at the light incident portion 3 so that light of different wavelengths is provided for each portion 4. If the luminous body 10 that emits light is provided, the light reflecting portion 6 can be illuminated in various colors, so that the light reflecting portion 6 can be displayed more clearly. If the plurality of light emitters 10 are integrated as a light emitting unit, inspection and replacement of the light emitters 10 are facilitated.
- a support unit capable of supporting a plurality of luminous bodies 10 is detachably attached to the light-entering unit 3, and the support unit penetrates between the recess 4 of the light-entering unit 3 and the outside.
- a mounting portion is formed, and a spacer made of an elastic material such as urethane rubber is attached to the mounting portion.
- the support unit If you remove the support unit, you can replace all the luminous bodies 10 at once, so even if you change the color of the display body 10 every season, you can easily change the color. become. In the case of a show window, if the support unit itself is made of a stretchable material such as urethane rubber, the external unit and the internal unit can be maintained by the support unit. You.
- a plurality of recesses 4 are provided not only in the vertical direction but also in the thickness direction of the display main body 2, and when the luminous body 10 is provided in each of the recesses 4, the light reflecting portion 6 becomes a layer of a plurality of colors It is also possible to display as a drawing having.
- each light emitter 10 it is also possible to change the timing, intensity, and duration of light emission of each light emitter 10. For example, if all the light emitters 10 blink at the same time, the light reflector 6 can blink like a strobe, and if the light 10 is blinked in order, the light reflector 10 forms the light reflector 10. The drawing is moving! / You can give the impression that you are. Industrial use
- the light incident from the light entering portion reaches the light reflecting portion through the inside of the display main body, the light is irregularly reflected by the hole forming the light reflecting portion and emitted from the light emitting surface. Then, since each hole appears to be shining inside the display main body, visibility can be increased and drawing can be formed inside the member. Also, since the optical kit part is formed by arranging a plurality of voids in three dimensions, it is possible to cause a steepness in the picture formed by the light reflecting part. Then, since the light incident portion is subjected to the light incident adjusting process, the light reflecting portion can emit light in a desired state.
- the light portion is formed by the plurality of voids, no large unevenness is formed on the surface of the light emitting portion. Then, irregular reflection at the light emitting portion can be suppressed, so that the shape of the light reflecting portion can be clearly and clearly displayed. Since there is a void, there is no hole that penetrates the display body, so it is possible to use even a show window formed in ⁇ . Further, since the position and number of the light reflecting portions to be formed, their overlapping, and the like can be freely adjusted, the degree of freedom of the light reflecting portion can be increased.
- the depth of the concave hole is changed, it is possible to cause the image formed by the light reflecting portion to stand. Moreover, since it is a recessed hole and does not penetrate the display main body, it can be used even for a show window formed on a ridge or the like.
- the incidence of light can be increased,
- the incident efficiency of the emitted light can be increased.
- the inner surface of the concave portion functions as a lens, by adjusting the curvature of the inner surface of the concave portion, it is possible to adjust a region for diffusing light incident from the light emitting body. Therefore, it is possible to easily and reliably adjust the state in which the light K portion shines to a desired state.
- the intensity of the luminous body provided in each concave portion, the wavelength of light, the light emission timing, and the like can be changed, so that the drawing of the light reflecting portion can be made more beautiful.
- the surface roughness of the light incident portion is not more than 0. ⁇ ⁇ ⁇ ⁇ in terms of the center line average roughness, that is, the surface is processed into a mirror surface or a state close to the mirror surface. Since the irregular reflection of light can be reliably suppressed, the incident efficiency can be increased, the structure of the device can be made compact, and energy can be saved. In particular, if the light receiving part has a surface roughness of about 0.035 to 0.08 ⁇ m, it will be possible to efficiently enter visible light without extremely high processing accuracy. Therefore, it is preferable.
- the width of the luminous flux of the light Alt emitted from the light emitter by the lens can be adjusted, so that the diffusion and collection of the incident light can be freely adjusted. Therefore, the light emission state of the light Sli portion can be easily and reliably adjusted to a desired state. If a plurality of lenses that can collect light can be used, the intensity of the light radiated to the light part can be increased, so that the light emission intensity of the light reflection part can be increased. In addition, the structure of the device can be made compact, and energy can be saved.
- the light Alt emitted from the light emitter can be irregularly reflected on the surface of the light incident portion. Then, it is possible to spread the incident light to approximately the ⁇ fg region of the display body.
- the ninth aspect when a light emitting diode is used, strong light can be generated even with a small power and a small power. And, since the light emitting diode has a long life, there is no need to perform frequent replacement, and maintenance becomes easy.
- the light emitted from the light source is transmitted to the display body by the optical fiber.
- the degree of freedom of the light source used can be increased.
- the installation space for the display body is reduced. It is possible to increase the degree of freedom of the installation location and the shape of the display body.
- white light can be separated into light of a plurality of wavelengths even when white light is used.
- Light of a plurality of colors can be incident. For this reason, even when a conventionally used light source is used, the drawing can be illuminated in a plurality of colors, and the structure of the device can be simplified and the device can be manufactured at a very low cost.
- diffuse reflection on the light emitting surface of the display main body is increased.
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Illuminated Signs And Luminous Advertising (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2003/000834 WO2004068451A1 (ja) | 2003-01-29 | 2003-01-29 | ディスプレイ装置 |
AU2003303836A AU2003303836A1 (en) | 2003-01-29 | 2003-01-29 | Display |
PCT/JP2004/000978 WO2004068453A2 (ja) | 2003-01-29 | 2004-01-29 | ディスプレイ装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2003/000834 WO2004068451A1 (ja) | 2003-01-29 | 2003-01-29 | ディスプレイ装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2004068451A1 true WO2004068451A1 (ja) | 2004-08-12 |
Family
ID=32800803
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2003/000834 WO2004068451A1 (ja) | 2003-01-29 | 2003-01-29 | ディスプレイ装置 |
PCT/JP2004/000978 WO2004068453A2 (ja) | 2003-01-29 | 2004-01-29 | ディスプレイ装置 |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2004/000978 WO2004068453A2 (ja) | 2003-01-29 | 2004-01-29 | ディスプレイ装置 |
Country Status (2)
Country | Link |
---|---|
AU (1) | AU2003303836A1 (ja) |
WO (2) | WO2004068451A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10875449B2 (en) | 2019-02-19 | 2020-12-29 | Rebo Lighting & Electronics, Llc | Subsurface engraved vehicle light guide |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10347763B4 (de) * | 2003-10-14 | 2014-07-24 | BSH Bosch und Siemens Hausgeräte GmbH | Gargerät mit einer Türscheibe mit einem Lichtstreubereich |
DE102006017067A1 (de) * | 2006-04-11 | 2007-10-18 | Siemens Ag | Bedien- oder Anzeigeelement |
DE102013207262A1 (de) * | 2013-04-22 | 2014-10-23 | BSH Bosch und Siemens Hausgeräte GmbH | Dunstabzugshaube |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5813579U (ja) * | 1981-07-20 | 1983-01-27 | 株式会社東芝 | 表示装置 |
JPH0525487U (ja) * | 1991-09-06 | 1993-04-02 | 平城 好道 | 平面照光装置 |
JPH10232638A (ja) * | 1997-02-19 | 1998-09-02 | Sugimoto Masafumi | 電光装置 |
JP2001312233A (ja) * | 2000-04-28 | 2001-11-09 | Hitachi Ltd | 透明ディスプレイ |
JP2002318557A (ja) * | 2001-04-20 | 2002-10-31 | Microstone Corp | ディスプレイ装置 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0841832A (ja) * | 1994-07-28 | 1996-02-13 | Sumitomo Chem Co Ltd | 内照式の道路標示板 |
-
2003
- 2003-01-29 AU AU2003303836A patent/AU2003303836A1/en not_active Abandoned
- 2003-01-29 WO PCT/JP2003/000834 patent/WO2004068451A1/ja active Application Filing
-
2004
- 2004-01-29 WO PCT/JP2004/000978 patent/WO2004068453A2/ja active Application Filing
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5813579U (ja) * | 1981-07-20 | 1983-01-27 | 株式会社東芝 | 表示装置 |
JPH0525487U (ja) * | 1991-09-06 | 1993-04-02 | 平城 好道 | 平面照光装置 |
JPH10232638A (ja) * | 1997-02-19 | 1998-09-02 | Sugimoto Masafumi | 電光装置 |
JP2001312233A (ja) * | 2000-04-28 | 2001-11-09 | Hitachi Ltd | 透明ディスプレイ |
JP2002318557A (ja) * | 2001-04-20 | 2002-10-31 | Microstone Corp | ディスプレイ装置 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10875449B2 (en) | 2019-02-19 | 2020-12-29 | Rebo Lighting & Electronics, Llc | Subsurface engraved vehicle light guide |
Also Published As
Publication number | Publication date |
---|---|
WO2004068453A2 (ja) | 2004-08-12 |
WO2004068453A3 (ja) | 2004-10-28 |
AU2003303836A1 (en) | 2004-08-23 |
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