WO2005073944A1 - ディスプレイ装置 - Google Patents
ディスプレイ装置 Download PDFInfo
- Publication number
- WO2005073944A1 WO2005073944A1 PCT/JP2005/001367 JP2005001367W WO2005073944A1 WO 2005073944 A1 WO2005073944 A1 WO 2005073944A1 JP 2005001367 W JP2005001367 W JP 2005001367W WO 2005073944 A1 WO2005073944 A1 WO 2005073944A1
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- WO
- WIPO (PCT)
- Prior art keywords
- light
- display device
- incident
- gap
- void
- Prior art date
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Classifications
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- 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
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- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B44—DECORATIVE ARTS
- B44F—SPECIAL DESIGNS OR PICTURES
- B44F1/00—Designs or pictures characterised by special or unusual light effects
- B44F1/02—Designs or pictures characterised by special or unusual light effects produced by reflected light, e.g. matt surfaces, lustrous surfaces
- B44F1/04—Designs or pictures characterised by special or unusual light effects produced by reflected light, e.g. matt surfaces, lustrous surfaces after passage through surface layers, e.g. pictures with mirrors on the back
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B44—DECORATIVE ARTS
- B44F—SPECIAL DESIGNS OR PICTURES
- B44F1/00—Designs or pictures characterised by special or unusual light effects
- B44F1/06—Designs or pictures characterised by special or unusual light effects produced by transmitted light, e.g. transparencies, imitations of glass paintings
-
- 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
- G02B6/0065—Manufacturing aspects; Material aspects
-
- 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
- G02B6/0021—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 for housing at least a part of the light source, e.g. by forming holes or recesses
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- 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
- G02B6/0058—Means for improving the coupling-out of light from the light guide varying in density, size, shape or depth along the light guide
- G02B6/006—Means for improving the coupling-out of light from the light guide varying in density, size, shape or depth along the light guide to produce indicia, symbols, texts or the like
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- 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
- G02B6/0066—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 characterised by the light source being coupled to the light guide
- G02B6/0068—Arrangements of plural sources, e.g. multi-colour light sources
Definitions
- the present invention relates to a display device. More specifically, the present invention relates to a display device used for a show window, a wall surface window, a showcase, a signboard, and the like formed of a transparent material having light transmittance.
- Patent Document 1 Japanese Patent Application Laid-Open No. 2002-36800
- Patent Document 2 Japanese Patent Laid-Open No. 2002-211197
- Patent Document 3 Japanese Patent Laid-Open No. 2003-12346
- Patent Document 4 Japanese Patent Laid-Open No. 2002-87834
- Patent Document 5 Japanese Patent Laid-Open No. 11-267861
- the member manufactured by the method of Conventional Example 2 cannot be used for a show window or the like facing the road surface because the front surface and the back surface thereof are communicated with each other by a hole, and the application is limited. .
- a three-dimensional and highly visible drawing can be formed inside a member formed of a transparent material, and can be used in any place.
- An object of the present invention is to provide a display device that can increase the efficiency of incidence on a member and save energy.
- the display device of the present invention has the following characteristics.
- a display main body having a light emission surface formed of a light-transmitting material, and light that is formed inside the display main body and reflects light incident on the display main body
- the light reflecting portion is formed by a plurality of gaps formed three-dimensionally inside the display body, and each gap is in the same direction as the gap body portion and the gap body portion force. It has the extended linear space
- gap part It is characterized by the above-mentioned.
- the light reflecting portion is formed by a plurality of gaps, large unevenness is not formed on the surface of the light emitting portion. As a result, 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.
- the force is also a gap in the display body, and since there is no hole penetrating the display body, it can be used even in a show window formed on the outer wall or the like. Since the position and number of the light reflecting portions and the overlapping thereof can be freely adjusted, the degree of freedom of the pattern of the light reflecting portions can be increased.
- Each gap forming the light reflecting portion extends in one direction from the gap body and the gap body. Therefore, it is possible to reduce the area that blocks the progress of light while forming a wide light diffusion surface by making the direction of light coincide with the incident direction of light. The light can travel to the inside of the display body, and the internal voids can be further shined.
- the air gap body is arranged on the light incident side, a part of the light is incident on the air gap main body and guided through the air gap body and the linear air gap while being repeatedly reflected. Since turbulent light is emitted to the periphery, light can be effectively emitted to the periphery.
- a thin film having a spectral function is formed on the inner surface of the gap main body.
- the size force of the plurality of gaps is 10 to 300 m, and the distance between adjacent gaps is 10 to 150 m. .
- the plurality of gaps are arranged so that a shape formed by the plurality of gaps is uniformly bright. .
- a void group in which a plurality of voids are arranged is formed along a plane intersecting the light emitting surface. Layers are formed, and in the adjacent void group, the voids constituting the other void group are adjacent to each other, constituting the one void group, as viewed from the normal direction of the surface on which the one void group is formed. It is characterized by being formed so as to be arranged in a region surrounded by a void.
- the void density is Becomes higher.
- the light emission surface force also increases the amount of reflected light, and the shape formed by the air gap can be uniformly illuminated, so that the visibility of the light reflecting portion is enhanced. Since the gap of the air gap is reduced, the stereoscopic effect of the light reflecting portion can be further emphasized.
- a linear gap portion formed in a gap of one gap group is formed so that the one gap group is formed. It is characterized in that it is formed so as to intersect with the linear voids formed in the voids of other void groups as seen from the direction parallel to the surface.
- the linear void can be lit in multiple colors.
- the amount of light reflected by the linear voids increases, so that the visibility of the linear voids can be increased, and the linear voids are not affected by natural light. It can be visually recognized that it shines in multiple colors.
- the display main body includes a light incident portion formed so that a normal line thereof intersects with a normal line of the light emission surface. It is characterized in that light is incident from the part.
- the light reflecting portion when light is incident on the light incident portion from the light emitter, the light reflecting portion can be illuminated by the light. Further, when the light incident adjusting process is performed on the light incident part, the light reflecting part can emit light in a desired state by this processing state.
- the light incident from the light incident portion is incident at a predetermined radiation angle from one or a plurality of light exit points toward the light reflecting portion. It is characterized by.
- the light reflecting portion can be illuminated within a range extending from each light emitting point at a predetermined radiation angle.
- the linear void portion is formed along an incident direction of light incident from the light incident portion.
- the light reflecting portion includes a partial reflection region that reflects light emitted from the specific light emission point, and the specific reflection region includes the specific reflection region.
- the linear gap portion of the gap is formed along an extending direction of a straight line connecting the light emission point of the gap and the gap.
- the linear gap portion of the gap is formed along the extension direction of the straight line connecting the light emission point and the gap. Since it is formed, this light emission point force can also effectively reflect the emitted light, and this light is further propagated inside the display body to effectively shine the internal void similarly. That's right.
- the light reflection portion can be made a partial reflection region for each different color. As a result, the decorative effect of the light reflecting portion can be further enhanced.
- the light incident portion is provided with a concave portion recessed inward, and the light emitting point is disposed inside the concave portion. It is characterized by.
- the area in which the light is incident can be increased, for example, the incident efficiency of the light emitted from the light emitter disposed at the light emitting point can be increased.
- the inner surface of the recess functions as a lens, if the radius of curvature of the inner surface of the recess is adjusted, the light is incident from the light emitter. It is possible to adjust the region in which the diffused light is diffused. Therefore, the state in which the light reflecting portion is shining can be easily and reliably adjusted to a desired state.
- the light incident portion is provided with a plurality of the concave portions.
- the drawing of the light reflecting portion can be made more beautiful by the ability to change the intensity of the light emitters provided in each recess, the wavelength of light, the light emission timing, and the like.
- the surface roughness force of the light incident portion is 0.100 m or less.
- the surface roughness of the light incident part is 0.1100 ⁇ m or less in terms of the center line average roughness, that is, it is processed into a mirror surface or near!
- the surface roughness of the light incident part is about 0.035 to 0.08 ⁇ m, it is preferable because visible light can be incident efficiently without extremely increasing the processing accuracy.
- the light incident section includes a plurality of lenses, and light is incident on the inside of the display main body through the lenses. .
- the width of the light beam incident from the light emitter can be adjusted by the lens, the diffusion and collection of the incident light can be freely adjusted. Therefore, the light emission state of the light reflecting portion 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 applied to the light reflecting portion can be increased, and the light emission intensity of the light reflecting portion can be increased. The structure of the device can be made compact and energy can be saved.
- the light incident portion is characterized in that the surface thereof is formed in a diffused state.
- the light incident on the light-emitting body force can be diffusely reflected on the surface of the light incident portion. Then, the incident light can be spread over almost the entire area of the display body.
- a prism is disposed in the light incident portion in consideration of the features of the seventh to the fourteenth, and the prism A light source for supplying light is arranged.
- a light emitting diode is disposed at the light emitting point.
- the other end of the optical fiber having one end connected to a light source is disposed at the light emission point.
- the light emitted from the light source is transmitted to the display body through the optical fiber.
- the freedom degree of the light source to be used can be raised.
- the installation space for the display main body can be reduced, and the degree of freedom of the installation location and the shape of the display main body can be increased.
- the light emission surface is formed in a diffused state.
- FIG. 1 is a schematic explanatory diagram of a display device according to an embodiment of the present invention.
- FIG. 2 is a schematic explanatory view of a display device according to an embodiment of the present invention, in which (A) is a front view and (B) is a cross-sectional view along line BB in (A).
- FIG. 3 is an explanatory view showing a display main body in another embodiment of the present invention.
- FIG. 4 is an explanatory view showing the form and action of the air gap in the embodiment of the present invention.
- FIG. 5 is a schematic enlarged view of a light reflecting portion in the display body in the embodiment of the present invention.
- FIG. 6 is a schematic enlarged view of a light reflecting portion in the display body in the embodiment of the present invention.
- FIG. 7 is a schematic enlarged view of a light reflecting portion in the display body in the embodiment of the present invention.
- FIG. 8 is an explanatory view showing a display device according to another embodiment of the present invention.
- FIG. 9 is an explanatory view showing a display device according to another embodiment of the present invention.
- FIG. 1 is a schematic explanatory diagram of a display device 1 of the present embodiment.
- 2A and 2B are schematic explanatory views of the display device 1 of the present embodiment, in which FIG. 2A is a front view, and FIG. 2B is a cross-sectional view taken along line BB in FIG.
- reference numeral 2 denotes a display body of the display device 1 of the present embodiment.
- This display main body 2 is used for a show window, a signboard, etc., and various shapes such as a flat plate shape, a cylindrical shape, a conical shape, a spherical shape, and a film shape can be adopted as the shape, and the shape is not particularly limited. Absent.
- the material of the display body 2 is, for example, glass, plastic such as acrylic resin, crystal, or the like, but is not particularly limited as long as it is a material that transmits light.
- the display body 2 may be a flexible film-like one, or a display body 2 itself that is mixed with a pigment or the like and has a specific color.
- the display main body 2 includes a light emitting surface 5 and a light incident portion 3 on the surface thereof.
- the light emitting surface 5 is a surface formed so that light passing through the inside of the display main body 2 can be emitted to the outside, and is usually processed to be a smooth surface.
- the light incident part 3 is formed so that the normal line of the surface intersects the normal line of the light emission surface 5. Specifically, as shown in FIGS. 1 and 2, when the display main body 2 is flat, if the light emitting surfaces 5 are formed on both the front and rear surfaces of the display main body 2, the light incident part 3 becomes the side surface of the display main body 2. Or on the top and bottom surfaces. [0064] In FIGS. 1 and 2, the light incident portion 3 is formed on only one side surface of the display main body 2. The force incident portion 3 may be provided on both side surfaces, or the upper and lower sides instead of the side surface. It may be provided on the other side, or on both sides and the upper and lower sides, that is, on the entire peripheral surface of the display body 2.
- the display body 2 is cylindrical, if the end surface in the central axis direction is the light incident portion 3, the side curved surface can be the light emitting surface 5, and the display If the main body 2 is a spherical surface, the normals on the surface all intersect at the center of the sphere, so that the surface can function as both the light incident part 3 and the light emitting surface 5.
- the light incident part 3 is formed with a plurality of recesses 4 that are recessed toward the inside of the display main body 2 of the surface force, and light BM is incident on the inside thereof toward the inner surface of the recess 4
- the light emitting points of the light emitters 10 are respectively arranged.
- the inner surface of the recess 4 is subjected to a light incident adjustment process for adjusting the state of light incident from the light emitter 10, which will be described in detail later.
- the recess 4 may have a cross section perpendicular to the axial direction such as a circle, a quadrangle, a triangle, etc., and the inner bottom may have a spherical, cylindrical, conical, or horizontal shape. Any shape such as a flat surface may be used. That is, the concave portion 4 may have any shape as long as it is recessed from the surface of the light incident portion 3 toward the inside of the display body 2.
- a light reflecting portion 6 is formed inside the display body 2.
- the light reflecting portion 6 is formed from a plurality of gaps 7.
- the plurality of gaps 7 are formed by a known laser processing technique described in the above-described conventional example, and are three-dimensionally arranged inside the display body 2 (see FIGS. 1 and 2). (See Figure 2).
- the light incident part 3 may be a flat surface without providing the concave part 4.
- the apparatus can be easily processed and can be manufactured at low cost. Then, it is preferable to perform a light incident adjustment process described later on the surface of the light incident portion 3.
- the display main body 2 may have a reflective surface other than the light emission surface 5.
- the light reflected by the light reflection unit 6 is reflected by the reflection surface and emitted from the light emission surface 5. So The image formed by the light reflecting portion 6 will be reflected in a complicated manner, and the decoration effect can be further enhanced.
- the image created by the light reflecting section 6 can be raised in the surrounding colors, and the image can be displayed. I can be more stressed.
- a feature of the display device 1 according to the embodiment of the present invention is the form and arrangement of the gap 7 described above.
- FIG. 4 is an explanatory view showing the form of the gap 7 formed in the display main body 2 (FIG. 4B shows an enlarged view of part A in FIG. 4A).
- the void 7 has a void main body portion 7A and a linear void portion 7B.
- the gap body 7A and the linear gap 7B form a gas space communicating with each other, and a crack-like light diffusion surface is formed on the outer periphery thereof.
- the incident light BM reaches the light reflecting portion 6 through the inside of the display body 2, and this light reflecting portion 6 is formed.
- the light BM is diffusely reflected by the air gap 7 and a part of the light BM is emitted from the light emitting surface 5.
- the light BM can be further advanced to the inside, and the inner space 7 can be further lit.
- the linear gap 7B is arranged so as to be symmetrical with respect to the symmetry line or the symmetry point of the display main body 2, the light can be seen from any of the left and right or surrounding directions. It will be possible to appreciate the design of the reflective part 6 with high visibility.
- the air gap body 7A is arranged on the incident side of the light BM, as shown in Fig. 4 (A), a part of the light BM is incident on the air gap main body 7A, and the air gap main body 7A.
- light since light is guided while being repeatedly reflected in the linear gap portion 7B, and scattered light is emitted to the periphery during that time, light can be effectively emitted to the periphery.
- the air gap 7 having such a form can be formed by condensing the laser light at a position where the light reflecting portion 6 is formed in the display body 2, and at this time, the incidence of the laser light is performed. Extension of direction A linear void 7B is formed on the line. At this time, it is known that thin films 7a having various refractive indexes and film thicknesses are formed on the inner surface of the gap body 7A (see FIG. 4 (B)).
- the light BM incident on the air gap main body 7A is white light (or natural light), it is split into various colors and emitted from the light emitting surface 5. According to this, the light reflecting portion 6 can be colored in multiple colors, and the decoration effect can be further enhanced.
- the reachability of the light BM incident in the optical display body 2 to the inside is increased, and the light BM can be reflected more effectively.
- the light reflection part formed by 7 6 Overall power
- the display body 2 shines inside, and a high-visibility and beautiful drawing can be formed on the display body 2.
- the light emitting surface 5 of the display body 2 is usually formed to be a smooth surface, the light BM reflected by the light reflecting portion 6 can be suppressed from being irregularly reflected by the light emitting surface 5.
- the form of the light reflecting portion 6 can be displayed more clearly and neatly. Since the gap 7 does not penetrate the display body 2, it can be used even in a show window formed on the outer wall or the like.
- each gap 7 since the light reflected from the gap body 7A and the linear gap 7B forms a continuous light pattern, the light reflection is compared to the case of only a spherical gap. Part 6 can be illuminated. Since the linear gap portion 7B is arranged in the gap between the gaps 7 so that the shining force can be shined by the gap 7 alone, the stereoscopic effect of the light reflecting portion 6 is further emphasized. Can do. If a space is formed in the linear gap 7B, the light incident in the linear gap 7B is also irregularly reflected in the linear gap 7B, and is reflected by the linear gap 7B. The amount of light increases and the visibility becomes higher. Depending on the shape of the linear gap 7B, light is dispersed in this portion, and even if the display body 2 is colorless and transparent, the linear gap 7B can be colored.
- the light emitting surface 5 of the display main body 2 may be formed in a state where there are many irregular reflections on the surface, that is, in a diffused state.
- the form of the light reflecting portion 6 can be visually recognized, but the light emitting surface 5 of the display main body 2 is in a state of ground glass, so that the display main body 2 can provide a blinding effect.
- the light reflector 6 Since the emitted light BM is diffusely reflected at the light emitting surface 5, the shape of the light reflecting portion 6 is not clearly displayed, but it is displayed in a dull state, which makes it possible to give a fantastic soft impression. It is suitable as an indoor display that can calm people's feelings.
- the light reflecting portion 6 is formed by arranging a plurality of gaps 7 in a three-dimensional manner, the position where the gap 7 shines in the display body 2 is three-dimensional, and the light is reflected.
- a three-dimensional effect can be generated in the drawing formed by the reflecting portion 6.
- 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 where 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 see the impression that it is formed. Therefore, the three-dimensional effect of drawing formed by the light reflecting portion 6 is emphasized.
- the linear gaps 7B are arranged so as to be symmetrical with respect to the symmetry line or symmetry point of the display main body 2, the light can be seen from either the left or right direction or the surrounding direction. It will be possible to appreciate the design of the reflective part 6 with high visibility. At this time, the laser light is incident separately according to the above-described symmetry line or symmetry point, and the directionality of the formed linear gap 7B is made symmetric.
- a plurality of voids 7 are arranged along the surface intersecting with the light emitting surface 5 to form a plurality of void groups composed of the plurality of voids 7 so that the voids 7 of the adjacent void groups do not overlap each other. If formed, when the light reflecting portion 6 is viewed from the normal direction of the surface on which one air gap group is formed, the density of the air gap 7 increases, so that the amount of light reflected from the light emitting surface 5 increases. The visibility of the light reflecting portion 6 is increased.
- the light reflecting portion 6 includes a gap group A consisting of gaps A1 to A4 located in the plane SA, and a gap group consisting of gaps B1 located in the plane SB.
- B, gap C1 in plane SC C1 gap C consisting of C4, gap D1 in plane SD D1--A4 gap group D force is also assumed, viewed from the normal direction of plane SA Occasionally, the void A1—A4 and the void C of the void group A C1 and C4 of the void group C, and the void B1 of the void group B and the void D1 of the void group D 1
- the void Bl of B and the void C1 of the void group C C1 and the void D1 of the void group D do not overlap.
- gap A 1) A4 and void group B void Bl and void group C void CI 1 C4 form a body-centered cubic lattice.
- the space B1 of the space group B when viewed from the normal direction of the surface SA, the space B1 of the space group B is located in the region surrounded by the space A1—A4, and the apparent density of the space 7 is increased.
- the light incident in the region surrounded by the gap A1—A4 is reflected by the gap B1 of the gap group B even if it is not reflected by the gap A1—A4.
- the amount of light reflected from the light emitting surface 5 is compared to the case where the air gaps A1—A4 and the air gap B overlap, in other words, the light reflecting portion 6 Since the amount of light reflected by the light increases, the visibility of the light reflecting portion 6 can be increased.
- the region where the light reflecting portion 6 is formed that is, the region where the air gap 7 is formed, the portion that does not reflect light can be reduced, so the light reflecting portion 6 is formed by the air gap 7.
- the formed shape can be illuminated uniformly. When viewed from the normal direction of the surface SA, the gaps between the gaps 7 are reduced, so that the three-dimensional effect of the light reflecting portion 6 can be further emphasized.
- the arrangement of the voids 7 in the adjacent void groups is not limited to a state in which a body-centered cubic lattice is formed, and the voids 7 in the adjacent void groups may be formed so as not to overlap each other. There is no particular limitation.
- each gap is formed so as to have a gap main body portion (7A) and a linear gap portion (7B) continuous therewith, the stereoscopic effect of the light reflecting portion 6 can be further emphasized. it can.
- the linear gap portion (7B) formed in the gap of one gap group is viewed from a direction parallel to the surface on which the one gap group is formed.
- a state where it is formed so as to intersect with the linear void portion (7B) formed in the void of another void group specifically, as shown in FIGS. 6 and 7, it is parallel to the surface SA.
- the linear air gap AC formed in the air gap A1 and A4 intersects with the linear air gap AC formed in the air gap B1.
- the light power incident on the display main body 2 can increase the probability of reflection at the linear space AC and the linear space BC, and the number of reflections can be increased.
- the linear gap AC and the linear gap BC are narrower than the gaps A1 to A4 because the inner space SP is narrower and light is more effectively dispersed. Multicolored parts Can shine. Then, if the density of the overlap between the linear voids, in other words, the number of overlapping linear voids is increased, the amount of light reflected here can be further increased. The visibility of the void portion can be further increased. Then, even if the intensity of light of each wavelength dispersed in one linear gap is weak, the intensity of the light of each wavelength in the vicinity can be kept at a sufficiently visible intensity. Even if no special light is incident on the display body 2, the light dispersed by the light reflecting section 6 can be viewed.
- the display body 2 even when natural light is incident on the display body 2, it is possible to visually recognize the portion of the linear void, that is, the light reflected by the light reflecting portion 6. Since the light reflected by the light reflecting section 6 includes light of various wavelengths, the light reflecting section 6 can be lit in multiple colors, and an opal-like atmosphere can be created.
- the void 7 is formed so that the length W including the linear void portion is 10-300 ⁇ m, and the distance L1 or the distance L2 between the adjacent voids 7 is If it is formed to be 10 to 150 m, the light reflection state in the gap 7, the power that can optimize the reflection of light between the gaps 7, and the visibility of the light reflection part 6 should be increased. Can be split into light of various wavelengths while the light is reflected between adjacent gaps 7 and linear gaps. Then, if the length W of the gap 7 including the linear gap portion and the distances LI and L2 between the adjacent gaps 7 are optimized, the light reflecting portion 6 can be more effectively illuminated in multiple colors. Can do.
- the gap 7 constituting the light reflecting portion 6 does not necessarily have a uniform length W including the linear gap portion, and the light reflecting portion 6 has the gap 7 having a length in the above range. Will be scattered. Then, when the length W of the void 7 changes, for example, if the small void 7 is dotted between the large voids 7, the region where the void 7 does not exist can be further reduced between the voids 7. Therefore, the light reflecting portion 6 can be made to shine evenly.
- the light reflecting portion 6 when it is desired to form a bright portion and a darker portion when viewed from a certain direction, the bright portion is a normal line parallel to the viewing direction.
- the light reflecting portion 6 may be formed by a plurality of recessed holes recessed inward from the light emitting surface 5. In this case, if the depth of the recessed hole is changed, the position where the recessed hole shines in the display main body 2 becomes three-dimensional, and the drawing formed by the light reflecting portion 6 can have a three-dimensional effect. it can.
- 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 seen by the person, and the light emission on the opposite side. This can be given to a person who sees the impression that the shadow of the light reflecting portion 6 is formed on the surface 5. Therefore, the three-dimensional effect of drawing formed by the light reflecting portion 6 is emphasized.
- the light incident from the light incident part 3 is indicated by a broken line from one or a plurality of light exit points G (three in the illustrated example for one light incident part 3).
- a linear air gap 7B of the air gap 7 is formed along the incident direction of the light incident on the light reflecting portion 6 shown in FIG. In Fig. 5, the size of the gap 7 is shown enlarged).
- the light emitters 10A, 10B, and 1 OC of different emission colors are used, and the force that forms the light exit point G on the end face of the light incident part 3 is not limited to this, as shown in FIG. 1 or FIG.
- the light incident part 3 may be provided with one or more recessed parts recessed inward, and the light emission point G may be disposed inside the recessed part.
- the directionality of the gap 7 is matched to the incident direction of the light incident from the light incident part 3 in this way, the ratio of light diffusion while propagating through the gap 7 as shown in FIG.
- diffuse reflection at the light reflecting portion 6 can be performed, and the cross-sectional area of the gap 7 that blocks the progress of the light by keeping the linear space portion 7B in the direction of the incident light. It becomes possible to make the inner space 7 smaller, and the inner air gap 7 can be made to shine by the light emitters 10A (10B, IOC).
- each gap 7 can effectively reflect light from the light emitters 10A, 10B, 10C having the same directionality.
- a specific light is A partial reflection region that reflects light emitted from the light exit point G of the light body 10A (10B, IOC) can be formed.
- a linear gap 7B is formed along the extending direction of the straight line connecting the light emission point G of the specific light emitter 10A (10B, IOC) and the gap 7. become.
- the partial reflection region of the light reflecting portion 6 is effectively different. It becomes possible to shine with color.
- the light emitters 10A, 10B, and 10C force S are symmetrically arranged with respect to the symmetry axis O, and among them, for example, the partial reflection region by the pair of light emitters 10A is In this region, a linear gap 7B is formed along the extending direction of the straight line connecting the light emitting point G of the light emitter 10A and the gap 7.
- the region surrounded by the point afge is the force that is the region irradiated with the light from the two light emission points G of the light emitter 10A and the light emitter 10B.
- the gap 7 in the partial reflection region is associated with each of the plurality of light emission points G, and each light emission point G and The linear gap 7B of the gap 7 is formed along the extending direction of the straight line connecting the corresponding gap 7. According to this, light from a plurality of light emission points G can be effectively reflected by the partial reflection region and can be emitted. Therefore, if the light of a plurality of light emission points G force is changed to light of different colors, reflected light of mixed colors of these colors can be obtained from the partial reflection region.
- FIG. 9 is a modification example of FIG. 8, and is an example in which the light emitting points G of the light emitters 10A, 10B, and 10C are provided so as to face the light emitting surface 5 of the display main body 2. According to this, the light reflecting part 6 can be illuminated uniformly in the thickness direction of the display body 2. At this time, the light exit point G is set at a position separated from the light emitting surface 5.
- the light of the laser beam forming the gap 7 is used.
- a laser beam spot is formed at a predetermined formation position of the light reflecting portion 6 while changing the irradiation angle of the laser beam within the range of the radiated light ⁇ in accordance with the light emission point G where the emission position is set.
- the gap body 7A is formed at the spot position of the laser beam, and it follows the irradiation angle of the laser beam.
- the linear void portion 7B is formed.
- the state of light entering the display body 2 can be freely adjusted by changing the light incident adjustment processing on the surface of the flat light incident portion 3 and the inner surface of the recess 4. can do.
- the light incident adjustment process is, for example, a light transmission process that reduces the surface roughness of the inner surface of the recess 4 to prevent irregular reflection on the inner surface of the recess 4, and conversely, a diffuse state in which the inner surface of the recess 4 is highly diffused on the inner surface. More specifically, in the case of glass, there are a diffusion process to make a satin-like state, that is, a state like a ground glass, a process of adjusting the width of the light beam incident from the light emitter 10, and the like.
- the inner surface of the recess 4 is polished, or a material having a refractive index equivalent to the material of the display body 2 is attached to or coated on the inner surface of the recess 4 If the roughness is processed to a centerline average roughness of 0.100 m or less, that is, a mirror surface or a state close to it, irregular reflection of light can be reliably suppressed, so that the incidence efficiency can be further increased and the structure of the apparatus Can be made compact and energy can be saved. And, if it is set to about 0.025-0.080 / z m, it is possible to keep the incident efficiency higher without extremely increasing the processing accuracy.
- the surface roughness of the inner surface of the recess 4 is set to about 0.035 to 0.08 m, it is easy to process, and the force can be efficiently received by visible light. .
- the surface roughness of the inner surface of the recess 4 is made smaller than the surface roughness of the lens surface, thereby reducing the incident light rate of light. Can be increased.
- the diffusion treatment is performed, the light incident from the light emitter 10 is diffusely reflected by the inner surface of the concave portion 4 and thus the light incident efficiency is reduced.
- the incident light is applied to almost the entire area of the display body 2. Can be spread. Then, if light of a different color is incident on the display body 2 from the light emitters 10 provided in the respective recesses 4, the light reflecting portion 6 can be made to shine with a complex color in which all the light overlaps.
- the light emitter 10 arranged in the light emitting portion G can be used as long as it can enter the display main body 2.
- Light emitting diodes and organic EL Etc. is preferable because it can generate strong light even with a small size and low power, and since it has a long life, it does not need to be replaced frequently and can be easily maintained.
- the other end of the optical fiber having one end connected to the light source is disposed in the light emitting portion G, and the light emitted from the light source is incident on the display main body 2 by the optical fiber. It may be structured to transmit up to part 3.
- the light source can be installed at a position 2 forces away from the display body, restrictions such as the size of the light source can be reduced, and the degree of freedom of the light source to be used can be increased.
- the display main body 2 is simply provided with an optical fiber, the installation space for the display main body 2 can be reduced, and the degree of freedom of the installation location and the shape of the display main body 2 can be increased.
- the light from one light source is dispersed and supplied to a plurality of optical fibers, it is possible to use one light source 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 equipment cost can be reduced.
- a prism is installed in the light incident part 3 and light is incident on the light incident part 3 through this prism, even a white light force can be split into light of a plurality of wavelengths.
- the light source used in the conventional display can be used as it is because of the ability to allow light of multiple wavelengths to enter the light reflecting portion 6.
- the drawing can be made to shine in a plurality of colors, and the structure of the device can be simplified and can be manufactured at a reasonable price.
- a plurality of recesses 4 are formed in a direction along the light emission surface 5 of the display body 2, and a light emitter 10 that emits light of a different color is provided for each recess 4.
- Light The projecting section 6 can be illuminated with various colors, and the light reflecting section 6 can be displayed more clearly. In this case, if a plurality of light emitters 10 are integrated as a light emitting unit, the light emitter 10 Inspection and replacement are easy.
- a support unit capable of supporting a plurality of light emitters 10 is detachably attached to the light incident part 3, and the support unit penetrates between the recess 4 of the light incident part 3 and the outside.
- a spacer formed of a stretchable material such as urethane rubber having an inner diameter smaller than the outer diameter of the light emitter 10 is attached to this attachment portion, the light emitter 10 can be mounted.
- the light emitter 10 is securely supported simply by being inserted into the hole of the spacer, and when the light emitter 10 is replaced, it can be easily removed by pulling the light emitter 10.
- the light emitter 10 can be easily inspected and replaced.
- the support unit is removed, all the light emitters 10 can be replaced at one time, so that even if the color of the display body 2 is changed every season, the change work becomes easy. And if it is a show window, etc., if the support unit itself is made of a stretchable material such as urethane rubber, the support unit can maintain the airtightness between the outside and the inside, which is preferable. .
- the plurality of recesses 4 are provided side by side in the thickness direction of the display body 2 that extends only in the direction along the light emission surface 5, and the light emitters 10 are disposed in the respective recesses 4, the light reflecting portion It is also possible to display 6 as a drawing having a plurality of color layers.
- each light emitter 10 may be changed. For example, if all the light emitters 10 are blinked at the same time, the light reflecting portion 6 can be blinked like a strobe, and if each light emitter 10 is blinked in order, the light reflecting portion 6 is formed. It can also give the impression that the drawing is moving.
- the light emitter 10 is disposed in the recess 4 of the light incident portion 3, the area on which light is incident can be increased. Therefore, since the efficiency of the light emitted from the light emitter 10 to the display body 2 can be increased, the light reflecting portion 6 can be sufficiently illuminated even if the light emission intensity of the light emitter 10 is weak. Further, since the incident efficiency is high, the size of the light emitter 10 can be increased, and the structure of the device that does not require the use of a high-power light source can be made compact, thereby saving energy.
- the radius of curvature of the inner surface of the recess 4 is adjusted. If adjusted, the region where the light BM incident from each light emitter 10 is diffused can be adjusted, so that the state in which the light reflecting portion 6 is shining can be easily and reliably adjusted to a desired state. it can.
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Illuminated Signs And Luminous Advertising (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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JP2005517554A JP4602257B2 (ja) | 2004-01-29 | 2005-01-31 | ディスプレイ装置 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JPPCT/JP2004/000978 | 2004-01-29 | ||
PCT/JP2004/000978 WO2004068453A2 (ja) | 2003-01-29 | 2004-01-29 | ディスプレイ装置 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US11/369,096 Continuation US20060153544A1 (en) | 2004-07-20 | 2006-03-07 | Information storage medium, information recording method, and information reproducing method |
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WO2005073944A1 true WO2005073944A1 (ja) | 2005-08-11 |
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ID=34816630
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP2005/001367 WO2005073944A1 (ja) | 2004-01-29 | 2005-01-31 | ディスプレイ装置 |
Country Status (2)
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JP (1) | JP4602257B2 (ja) |
WO (1) | WO2005073944A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012099867A (ja) * | 2012-02-20 | 2012-05-24 | Sharp Corp | 太陽電池装置 |
CN110900019A (zh) * | 2019-12-13 | 2020-03-24 | 上海维宏电子科技股份有限公司 | 激光数控系统中实现图内圆孔自动均匀填充处理的方法 |
Citations (7)
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---|---|---|---|---|
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 |
JPH0841832A (ja) * | 1994-07-28 | 1996-02-13 | Sumitomo Chem Co Ltd | 内照式の道路標示板 |
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 |
JP2004012946A (ja) * | 2002-06-10 | 2004-01-15 | Akinobu Hasegawa | 発光性透明板 |
-
2005
- 2005-01-31 WO PCT/JP2005/001367 patent/WO2005073944A1/ja active Application Filing
- 2005-01-31 JP JP2005517554A patent/JP4602257B2/ja active Active
Patent Citations (7)
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 |
JPH0841832A (ja) * | 1994-07-28 | 1996-02-13 | Sumitomo Chem Co Ltd | 内照式の道路標示板 |
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 |
JP2004012946A (ja) * | 2002-06-10 | 2004-01-15 | Akinobu Hasegawa | 発光性透明板 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012099867A (ja) * | 2012-02-20 | 2012-05-24 | Sharp Corp | 太陽電池装置 |
CN110900019A (zh) * | 2019-12-13 | 2020-03-24 | 上海维宏电子科技股份有限公司 | 激光数控系统中实现图内圆孔自动均匀填充处理的方法 |
CN110900019B (zh) * | 2019-12-13 | 2021-10-29 | 上海维宏电子科技股份有限公司 | 激光数控系统中实现图内圆孔自动均匀填充处理的方法 |
Also Published As
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JPWO2005073944A1 (ja) | 2007-11-15 |
JP4602257B2 (ja) | 2010-12-22 |
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