Abstract: A reflection-type aerial image formation device according to the present invention includes a first reflecting mirror (38) placed on a side of a first optical control unit (17) of an optical image formation means (12) so as to face the first optical control unit (17) at an interval and a second reflecting mirror (39) placed on a side of a second optical control unit (19) of the optical image formation means (12) so as to face the second optical control unit (19) at an interval.

Abstract: An aerial image forming element 10a used for an aerial image forming device 30 includes a plurality of first and second light reflecting surfaces 12 and 14 respectively formed vertically on the obverse and reverse surfaces of a flat plate-like transparent base member 11a. The plurality of first light reflecting surfaces 12 are placed radially on the obverse surface side of the transparent base member 11a centered on a reference point X existing outside the transparent base member 11a in planar view. The plurality of second light reflecting surfaces 14 are placed concentrically on the reverse surface side of the transparent base member 11a centered on a reference point Y overlapping the reference point X in planar view. The aerial image forming element forms light externally entering and reflected once by each of the first and second light reflecting surfaces 12 and 14 into an image in the air.

Abstract: A stereoscopic image forming device in a ring-shape or a shape partly using a ring-shape when viewed from above and a manufacturing method of the same, in which a plurality of first vertical light reflective members 12 are provided in one side of a transparent flat plate material 16 and a plurality of second vertical light reflective members 14 are provided in the other side of the transparent flat plate material 16. The first vertical light reflective members 12 are arranged radially around a reference point X, whereas the second vertical light reflective members 14 are arranged concentrically around a reference point Y overlapping the reference point X when viewed from above. The first vertical light reflective members 12 and the second vertical light reflective members 14 orthogonally intersect each other when viewed from above.

Abstract: A stereoscopic image display device includes a display 11 divided into sections 13 in each of which displayed are small images 12a to 12d each having a plurality of minute images 14, a shutter panel 16 disposed in front of the display 11 and including first mechanical shutters 17, which are arranged side by side in units of the minute image 14 and time-divisionally divide each section 13 per each of the small images 12a to 12d by switching on and off in units of the minute image 14, and an image forming panel 23 including image forming means 24 arranged side by side for forming an image from light rays from each of the small images 12a to 12d passing through the first mechanical shutters 17 when the first mechanical shutters 17 are on.

Abstract: This method for producing a light control panel used in an optical image forming device includes: a step of forming a laminate 22 by laminating a plurality of transparent plate materials 20 having the same thickness while alternately shifting them by a predetermined length in the width direction so as to form protruding portions 21; a step of forming light-reflecting layers 13 at least on facing surfaces 16 of the adjacent protruding portions 21; a step of filling gap regions 26 between the adjacent protruding portions 21 with a transparent resin 27; a step of cutting and separating the protruding portions 21 integrated at each side of the laminate 22 from a laminated body 28 thereby making preforms 29, 30 for the light control panels 10, 11; and a step of flattening both end surfaces of each of the preforms 29, 30 in the width direction.

Abstract: To produce first and second light control panels 11, a molded preform 22 made from a transparent resin, which includes triangle-cross-section grooves 15 (each having an inclined surface 14 and a vertical surface 23) and triangle-cross-section protruded strips 16 (formed by the grooves 15 next to each other) respectively arranged in parallel on a front side of a transparent plate material 12, is produced by press-molding, injection-molding, or roll-molding, and mirror surfaces 13 are selectively formed only on the vertical surfaces 23 of the grooves 15. The first and second light control panels 11 each having a group of band-like light-reflective surfaces standing upright and spaced in parallel are overlapped such that the groups of band-like light-reflective surfaces are crossed in a plan view. Thereby providing a stereoscopic-image-forming device and its producing method enabling to easily produce the first and second light control panels 11 and obtain clearer stereoscopic images.

Abstract: A display sheet 10 according to the present invention is to be used while being placed on a display 11, and includes: infrared-light emitting elements 15 that emit infrared light from on the display 11 to a space; infrared-light receiving elements 16 that receive infrared light proceeding to the display 11 from the space; and transmitting portions 17 that passes light emitted from the display 11 to the space. The infrared-light emitting elements 15, the infrared-light receiving elements 16, and the transmitting portions 17 are formed into a sheet in a state of being arranged side by side or arranged to be scattered. Merely by placing the display sheet 10 on the display 11 and teaming them with an optical image-forming means, an aerial-image-forming type input device can be obtained with no need of separately preparing a dedicated display or infrared-light emitter. Thus, it is excellent in versatility.

Abstract: A method for manufacturing a stereoscopic image forming device includes a process of molding, from a first transparent resin, molding base materials 22 each including inclined surfaces 17 and vertical surfaces 18 on one side of a transparent plate member 16, a process of manufacturing a pair of intermediate base materials 28 by forming mirror surfaces on the vertical surfaces 18 of the respective molding base materials 22, and a process of manufacturing first and second optical control panels 13 and 14 integrated together by making the pair of intermediate base materials 28 face each other so that their vertical surfaces 18 are orthogonal to each other in a plan view, and joining together the intermediate base materials by filling the grooves 19 with a second transparent resin with a lower melting point than and a refractive index equal or approximate to the first transparent resin.

Abstract: A display sheet 10 according to the present invention is to be used while being placed on a display 11, and includes: infrared-light emitting elements 15 that emit infrared light from on the display 11 to a space; infrared-light receiving elements 16 that receive infrared light proceeding to the display 11 from the space; and transmitting portions 17 that passes light emitted from the display 11 to the space. The infrared-light emitting elements 15, the infrared-light receiving elements 16, and the transmitting portions 17 are formed into a sheet in a state of being arranged side by side or arranged to be scattered. Merely by placing the display sheet 10 on the display 11 and teaming them with an optical image-forming means, an aerial-image-forming type input device can be obtained with no need of separately preparing a dedicated display or infrared-light emitter. Thus, it is excellent in versatility.

Abstract: For manufacturing a stereoscopic image formation device 10, two molded preforms 21 made from a transparent first synthetic resin each having triangular-cross-sectional grooves 16 and triangular-cross-sectional ridges 17 alternately spaced in parallel, are manufactured by injection molding, and first and second light-control panels 11 and 11a each manufactured from one of the molded preforms 21 by forming perpendicular light-reflective surfaces 12 on a perpendicular surfaces 14 of the groove 16, are overlaid with each other with a transparent second synthetic resin being in between, and integrated. In the injection molding, a mold set 40 including thereinside a space 39 formed correspondingly to the shape of the molded preform 21 is used, a molten first synthetic resin 46 is provided into the space 39 of the mold set 40 heated to a temperature at which the first synthetic resin 46 is flow-able, and the mold set 40 is rapidly cooled.

Abstract: A stereoscopic image display device includes a display 11 divided into sections 13 in each of which displayed are small images 12a to 12d each having a plurality of minute images 14, a shutter panel 16 disposed in front of the display 11 and including first mechanical shutters 17, which are arranged side by side in units of the minute image 14 and time-divisionally divide each section 13 per each of the small images 12a to 12d by switching on and off in units of the minute image 14, and an image forming panel 23 including image forming means 24 arranged side by side for forming an image from light rays from each of the small images 12a to 12d passing through the first mechanical shutters 17 when the first mechanical shutters 17 are on.

Abstract: A retroreflector 10 is provided, which includes light reflecting grooves 11a arranged in parallel and partition walls 15 that are arranged in parallel at predetermined intervals and that orthogonally intersect with the light reflecting grooves 11a on an upper side 12 of a flat plate block 11, in which the light reflecting groove 11a is provided with first and second light reflecting surfaces 13 and 14 that orthogonally intersect with each other, and the partition wall 15 is provided with a draft that upwardly becomes smaller in width, and the partition wall 15 has a perpendicular light-reflecting surface 19 orthogonally intersecting with the first and second light reflecting surfaces 13 and 14 on its one side.

Abstract: A method for manufacturing a stereoscopic image forming device includes a process of molding, from a first transparent resin, molding base materials 22 each including inclined surfaces 17 and vertical surfaces 18 on one side of a transparent plate member 16, a process of manufacturing a pair of intermediate base materials 28 by forming mirror surfaces on the vertical surfaces 18 of the respective molding base materials 22, and a process of manufacturing first and second optical control panels 13 and 14 integrated together by making the pair of intermediate base materials 28 face each other so that their vertical surfaces 18 are orthogonal to each other in a plan view, and joining together the intermediate base materials by filling the grooves 19 with a second transparent resin with a lower melting point than and a refractive index equal or approximate to the first transparent resin.

Abstract: A stereoscopic image forming device in a ring-shape or a shape partly using a ring-shape when viewed from above and a manufacturing method of the same, in which a plurality of first vertical light reflective members 12 are provided in one side of a transparent flat plate material 16 and a plurality of second vertical light reflective members 14 are provided in the other side of the transparent flat plate material 16. The first vertical light reflective members 12 are arranged radially around a reference point X, whereas the second vertical light reflective members 14 are arranged concentrically around a reference point Y overlapping the reference point X when viewed from above. The first vertical light reflective members 12 and the second vertical light reflective members 14 orthogonally intersect each other when viewed from above.

Abstract: A stereoscopic image display device (10) includes: a display (12) displaying small images (11) side by side, each of which containing three-dimensional display data, to convert the data into rays and output from the small images (11); first mechanical shutters (14) disposed, corresponding to positions of the small images (11), in front of the display (12), extracting the rays in a time-division manner as partial rays each output from a plurality of partial regions (13) provided in each of the small images (11) and transmitting the partial rays forward; and second mechanical shutters (16) disposed, corresponding to the positions of the small images (11), in front of the first mechanical shutters (14), transmitting forward the partial rays extracted in a time-division manner per each of the small images (11), reconstructing the partial rays as the rays, and converging each of the reconstructed rays in front to form a three-dimensional image.

Abstract: To produce first and second light control panels 11, a molded preform 22 made from a transparent resin, which includes triangle-cross-section grooves 15 (each having an inclined surface 14 and a vertical surface 23) and triangle-cross-section protruded strips 16 (formed by the grooves 15 next to each other) respectively arranged in parallel on a front side of a transparent plate material 12, is produced by press-molding, injection-molding, or roll-molding, and mirror surfaces 13 are selectively formed only on the vertical surfaces 23 of the grooves 15. The first and second light control panels 11 each having a group of band-like light-reflective surfaces standing upright and spaced in parallel are overlapped such that the groups of band-like light-reflective surfaces are crossed in a plan view. Thereby providing a stereoscopic-image-forming device and its producing method enabling to easily produce the first and second light control panels 11 and obtain clearer stereoscopic images.

Abstract: A stereoscopic image display device (10) includes: a display (12) displaying small images (11) side by side, each of which containing three-dimensional display data, to convert the data into rays and output from the small images (11); first mechanical shutters (14) disposed, corresponding to positions of the small images (11), in front of the display (12), extracting the rays in a time-division manner as partial rays each output from a plurality of partial regions (13) provided in each of the small images (11) and transmitting the partial rays forward; and second mechanical shutters (16) disposed, corresponding to the positions of the small images (11), in front of the first mechanical shutters (14), transmitting forward the partial rays extracted in a time-division manner per each of the small images (11), reconstructing the partial rays as the rays, and converging each of the reconstructed rays in front to form a three-dimensional image.

Abstract: An apparatus for contactless input 10 having an optical image formation means 13 having cross disposed first and second reflective surfaces 20, 21 arranged numerously and standing on a same planar surface, a display 11 provided on one side of the optical image formation means 13, and a light sensor 26 detecting only light from the front side and arranged side by side, wherein a first real image 12 is formed on the other side of the optical image formation means 13 by the optical image formation means 13 from an image 11a on the display 11; a second real image 35 is formed on the display 11 through the optical image formation means 13 from reflected light from an indicating means 34 having come into contact with the first real image 12, and a position of the second real image 35 is detected by the light sensor 26.

Abstract: An apparatus for contactless input 10 having an optical image formation means 13 having cross disposed first and second reflective surfaces 20, 21 arranged numerously and standing on a same planar surface, a display 11 provided on one side of the optical image formation means 13, and a light sensor 26 detecting only light from the front side and arranged side by side, wherein a first real image 12 is formed on the other side of the optical image formation means 13 by the optical image formation means 13 from an image 11a on the display 11; a second real image 35 is formed on the display 11 through the optical image formation means 13 from reflected light from an indicating means 34 having come into contact with the first real image 12, and a position of the second real image 35 is detected by the light sensor 26.

Abstract: An apparatus for contactless input 10 having an optical image formation means 13 having cross disposed first and second reflective surfaces 20, 21 arranged numerously and standing on a same planar surface, a display 11 provided on one side of the optical image formation means 13, and a light sensor 26 detecting only light from the front side and arranged side by side, wherein a first real image 12 is formed on the other side of the optical image formation means 13 by the optical image formation means 13 from an image 11a on the display 11; a second real image 35 is formed on the display 11 through the optical image formation means 13 from reflected light from an indicating means 34 having come into contact with the first real image 12, and a position of the second real image 35 is detected by the light sensor 26.