Patent application number | Description | Published |
20080296135 | MOVABLE CONTACT ELEMENT AND SWITCH USING THE SAME - A movable contact element including a lower sheet having a bottom surface, to which a substantially dome-shaped movable contact is bonded, is provided. The movable contact is made of a conductive thin metal plate, and an upper sheet with a light reflection property is disposed above the lower sheet. A space is formed between the lower sheet and the upper sheet, and a light transmitting portion is provided at the upper sheet. Light of a light emitting element from the side surface of the sheet propagates through the space between the upper sheet and the lower sheet with a light reflection property, while being reflected in a vertical direction, and lighting is performed through the light transmitting portions. Such a structure can perform lighting without unevenness by using one or two light emitting elements. | 12-04-2008 |
20080302642 | MOVABLE CONTACT ELEMENT AND SWITCH USING THE SAME - A movable contact point made of a thin conductive metal sheet in an approximate dome shape is attached to the lower surface of a transparent base sheet, and the base sheet is provided at the upper or the lower surface with a fluorescent layer in the location above the movable contact point. Since, in the make-up, light can be made available for illumination in many colors other than that generated from a light emitting device, a movable contact element, as well as a switch formed using the contact element, that offers various illuminating modes can be implemented in a simple structure. | 12-11-2008 |
20090095607 | SWITCH - A switch of the present invention has a light guide part having optical transparency formed between a light emitting device, which is arranged at an end of a light guide sheet, and a lower surface of the end of the light guide sheet, so that the light from the light emitting device passes through the light guide part and sufficient light can be introduced into the inside of the light guide sheet from the lower surface of the end, whereby a switch capable of realizing bright and satisfactory illumination is obtained with a simple configuration. | 04-16-2009 |
20090095612 | MOVABLE CONTACT ASSEMBLY AND SWITCH USING THE SAME - A movable contact assembly includes a light guiding sheet which is light transmittable, and a movable contact provided on the light guiding sheet. The light guiding sheet has a portion having the movable contact provided thereon and a portion having plural grooves provided therein. The grooves constitute a light inlet for introducing light into the light guiding sheet. This movable contact assembly can illuminate a switch preferably with a simple structure, providing the switch with an easily operation. | 04-16-2009 |
20090133594 | LIGHT GUIDE SHEET, MOVABLE CONTACT STRUCTURE USING THE LIGHT GUIDE SHEET, METHOD OF MANUFACTURING THE MOVABLE CONTACT STRUCTURE, AND SWITCH USING THE LIGHT GUIDE SHEET AND THE MOVABLE CONTACT STRUCTURE - A light shielding part includes a slit provided between a first light guide body and a second light guide body, and an attenuation part which has unevenness formed by print and is additionally provided near end sides of the first light guide body and the second light guide body. The light shielding part can prevent light from being transmitted between the first light guide body and the second light guide body. With this configuration, when illumination parts of the first and second light guide bodies are illuminated, it is possible to illuminate the illumination parts of the first and second light guide bodies at different timings without the illumination part of one light guide body being illuminated with light leaked from the other light guide body. | 05-28-2009 |
20090145733 | MOVABLE CONTACT UNIT WITH LIGHT-GUIDING FUNCTION AND LIGHTED PANEL SWITCH USING THE SAME - The movable contact unit with a light-guiding function has the following structure. An uneven section is formed in a section that is to be lighted on the lower surface of a TPU-made base sheet. A film with a refractive index of light lower than that of the base sheet is disposed beneath the lower surface of the base sheet in a manner that the uneven section is embedded in the film. Besides, an adhesive layer is disposed beneath the film so as to hold a movable contact. The movable contact unit structured above is effectively employed for a lighted panel switch capable of reducing loss in amount of light and providing the section that is to be lighted with required illuminance. | 06-11-2009 |
20090173608 | LIGHT-GUIDE SHEET, MOVABLE CONTACT UNIT AND SWITCH USING THE SAME - A light-guide sheet includes a light transmissive film substrate, and luminescent protrusions formed at predetermined points on the substrate. At least one of the substrate and each of the luminescent protrusions is colored to a color tone that absorbs yellow light more than blue light. Alternatively, a reflective layer colored to a color tone that absorbs yellow light more than blue light is provided on at least one of the top and bottom faces of the substrate. | 07-09-2009 |
20090268454 | LIGHT GUIDE SHEET AND MOVABLE CONTACT ELEMENT USING THE SAME - A light guide sheet and a movable contact element using the single sheet have a simple structure and can be variously illuminated. The light guide sheet includes irregular-shaped light emitting elements formed on a film-like base material; and light-transmissive, belt-shaped light guide parts each connecting a predetermined number of groups of the light emitting elements. In addition, dome-shaped movable contacts formed of a conductive sheet metal are arranged on the bottom surfaces of the light emitting elements. This structure allows the light emitting elements to emit light of different colors from each other or to emit light with a time difference by making the light guide parts introduce the light of the light-emitting devices corresponding thereto. | 10-29-2009 |
20100140069 | Light Guiding Sheet and Movable Contact Body Using the Same - A concavo-convex light emitting section provided on an under surface of a base material is formed of a synthetic resin with inorganic oxide dispersed therein. A larger amount of light is reflected by inorganic oxide having a large refractive index and dispersed inside the synthetic resin, to cause a plurality of light emitting sections to emit bright light with a small number of light emitting elements. A light guiding sheet capable of making bright and uniform illumination and a movable contact body using the same are realized with a simple configuration. | 06-10-2010 |
20100187077 | MOVABLE CONTACT UNIT AND SWITCH USING THE SAME - A movable contact unit includes a light-guide sheet, a cover sheet, a movable contact, and a light-transmissive light-guide portion. The light-guide sheet includes a film-shaped substrate, and a convex and concave luminescent portion provided on the substrate. The cover sheet faces the substrate. A dome-shaped resilient movable contact made of a thin metal sheet is attached to the cover sheet at a position corresponding to the luminescent portion. The light-guide portion is provided on the cover sheet at a position other than an area where the movable contact is disposed or on the light-guide sheet at a position other than an area where the light-guide portion is disposed. If the light-guide portion is provided on the light-guide sheet, the movable contact may be attached to the light-guide sheet without using the cover sheet. | 07-29-2010 |
20100323751 | LIGHT GUIDE SHEET AND MOVABLE CONTACT ASSEMBLY USING THE SAME - A light guide sheet is adapted to be used with a light emitter. The light guide sheet includes a light-transmissive base, a light inlet section having bonded to a lower surface of the base, and an illumination section for diffusing the light entering into the base. The light inlet section has an upper surface and an edge surface connected to the upper surface. The upper surface of the light inlet section is bonded to the lower surface of the base. Light emitted from the light emitter enters into the edge surface the light inlet section. The light inlet section causes the entering light to enter into the base. The light inlet section has a refractive index lower than a refractive index of the base. The light guide sheet provides a movable contact assembly capable of reliably illumination inexpensively. | 12-23-2010 |
20120006585 | TOUCH PANEL - A touch panel includes first and second substrates, and first insulating layer disposed therebetween. The first substrate has, on its bottom surface, a first conductive layer having opposing first and second sides; a first electrode along the first side; and a second electrode along the second side. The second substrate has, on its top surface, a second conductive layer facing the first conductive layer with a predetermined space and having third and fourth sides orthogonal to the first and second sides: a third electrode along the third side; and a fourth electrode along the fourth side. The first insulating layer is frame-like and coats at least part of the first and second electrodes. The first and second electrodes and the first insulating layer together form a decoration part having a color tone to prevent the third and fourth electrodes from being visible when viewed from the first substrate side. | 01-12-2012 |
20130003182 | TOUCH PANEL - A touch panel includes a first substrate, a first reflection conversion layer formed on the first substrate, multiple belt-like first conductive layers formed on the first reflection conversion layer, and a first adhesive layer formed on the first conductive layers. The touch panel further includes a second substrate formed on the first adhesive layer, a second reflection conversion layer formed on the second substrate, multiple belt-like second conductive layers formed on the second reflection conversion layer in a direction perpendicular to the first conductive layers, a second adhesive layer formed on the second conductive layers, and a cover sheet disposed on the second adhesive layer. Pigment is dispersed in at least one of the first adhesive layer and the second adhesive layer. | 01-03-2013 |