| CITIZEN ELECTRONICS CO., LTD. Patent applications |
| Patent application number | Title | Published |
|---|
| 20120104957 | LIGHT-EMITTING DEVICE - A light-emitting device ( | 05-03-2012 |
| 20120099328 | LIGHT-EMITTING MODULE - A light-emitting module of the present invention comprises: a light source in which an LED element is disposed on a substrate and electrodes electrically connected to the LED element are provided on the substrate; a metal plate on which the light source is disposed; lead wires connected to the electrodes directly or via other electrode pattern; and a housing made of resin fixed onto the metal plate and housing the light source therein. Moreover, the housing includes a hole opening above the light source, and includes at least one pair of protrusions that protrude facing one another inside the hole and apply a bias to the light source to press the light source onto a metal plate side. | 04-26-2012 |
| 20120075870 | LENS MEMBER AND OPTICAL UNIT USING SAID LENS MEMBER - A lens member includes a central axis, a light-incident side including a Fresnel-lens surface provided with a plurality of annular prisms concentrically arranged with respect to the central axis, and a light-exit surface opposite to the light-incident side. The Fresnel-lens surface further includes an annular lens portion that is concentrically arranged with respect to the central axis and that is extended to be longer and wider than the plurality of annular prisms. Provided is an optical unit in which a light source and a lens member are combined, and parts are disposed in a space provided in an outer periphery of the annular lens portion. | 03-29-2012 |
| 20110316009 | LIGHT-EMITTING DEVICE - A light-emitting device includes a substrate, and a plurality of light-emitting arrays or light-emitting groups arranged on the substrate. The light-emitting arrays or light-emitting groups include a plurality of LED elements connected in parallel with a pair of adjacent electrodes. The number of the LED elements constituting each of the light-emitting arrays or the light-emitting groups differs in each of the light-emitting arrays or the light-emitting groups. Of the plurality of light-emitting arrays arranged in parallel with each other or the light-emitting groups arranged in a line, the number of the LED elements of the light-emitting arrays or the light-emitting groups positioned inside the substrate is more than the number of the LED elements of the light-emitting arrays or the light-emitting groups positioned outside the substrate. | 12-29-2011 |
| 20110261569 | LENS MEMBER AND OPTICAL UNIT USING SAID LENS MEMBER - A lens member includes at least one of the annular prisms including a facet at an edge between an inner annular surface and an outer surface of the at least one of the annular prisms. The prisms with facets may be provided at a central portion of the lens member and the facets are configured to refract light toward a light-exit side of the lens member. | 10-27-2011 |
| 20110257053 | LUBRICATION KIT AND SMALL ELECTRONIC DEVICE USING THE SAME - [Object] To provide a lubrication kit which is capable of improving wear resistance and durability of a sliding portion mounted in a small electronic device and which is capable of reducing a sound generated during driving. | 10-20-2011 |
| 20110250711 | METHOD OF MANUFACTURING LIGHT-EMITTING DEVICE - A method of manufacturing a light-emitting device includes forming a planar board that includes a plurality of first metallic plates and a plurality of second metallic plates continuously connected by a resin, by use of a positioning frame including a plurality of first concave portions and a plurality of second concave portions, mounting a plurality of light-emitting diode elements on the planar board, and sealing the light-emitting diode elements collectively, thereby producing a plurality of light-emitting devices. | 10-13-2011 |
| 20110019420 | LIGHT-EMITTING DIODE APPARATUS - An LED light source apparatus comprises a circular base having thermal conductivity, an insulative substrate concentric with the base and including a pass-through hole provided to pass through an upper surface and a lower surface of the substrate, at least one mounting area formed having a central portion of an upper surface of the base exposed from the pass-through hole of the substrate, and a plurality of LED elements mounted on the mounting area and electrically connected to electrodes provided on the upper surface of the substrate, the pass-through hole being formed in a circular shape concentric with the base and the substrate. | 01-27-2011 |
| 20100320483 | LIGHT-EMITTING DIODE APPARATUS - An LED apparatus includes a base having thermal conductivity, an insulative substrate provided on one surface of the base and including electrodes provided on a surface of the substrate, at least one base-mounting area that is an exposed part of the base, exposed within a pass-through hole provided in the substrate, a plurality of LED elements mounted on the base in the base-mounting area and some of the LED elements in a unit electrically connected to the electrodes in series, a plurality of the units are electrically connected in parallel, and a frame disposed to surround the base-mounting area and configured to form a light-emitting area. | 12-23-2010 |
| 20100284194 | LENS MEMBER AND OPTICAL UNIT USING SAID LENS MEMBER - A plate-shaped lens member has concentric annular prisms each including an inner annular surface divided from a light-entrance surface of a conventional TIR lens and an outer annular surface divided from a light-reflection surface of the TIR lens in which the light-entrance surface has a concave shape provided in a lower portion of the TIR lens and the light-reflection surface has a convex shape positioned at a peripheral side of the TIR lens to surround the light-entrance surface. The light-entrance surface and light-reflection surface of the bulky TIR lens are Fresnel-ized or divided into a set of concentric annular prisms on a surface of the plate-shaped lens member and positions of divided portions from the TIR lens are efficiently arranged on the surface of the plate-shaped lens member. | 11-11-2010 |
| 20100266786 | LIGHTGUIDE PLATE, METHOD OF MANUFACTURING LIGHT GUIDE PLATE, AND BACKLIGHT UNIT WITH THE LIGHT GUIDE PLATE - An edge-light type light guide plate ( | 10-21-2010 |
| 20100243417 | SWITCH MODULE - A switch module includes a substrate ( | 09-30-2010 |
| 20100190280 | MANUFACTURING METHOD OF LIGHT-EMITTING DIODE - A manufacturing method of an LED comprises attaching an LED epitaxial wafer (LED wafer) to an expanding tape, dicing the LED wafer on the expanding tape longitudinally and laterally to a certain element size to divide into a plurality of LED elements, expanding the expanding tape to a certain size to form an enlarged expanding tape, placing respective pairs of element electrodes of the plurality of LED elements that are attached to the enlarged expanding tape on respective pairs of electrodes on a printed-circuit board assembly collectively to perform a bonding, and removing the enlarged expanding tape from the plurality of the LED elements. | 07-29-2010 |
| 20100134043 | LIGHTING DEVICE - In a lighting device, a first LED is formed by sealing a blue LED element by a first resin, the first resin having a first phosphor included in the first resin so as to raise a correlation color temperature of an emitted light color; and a second LED is formed by sealing a blue LED element by a second resin, the second resin having a second phosphor included in the second resin so as to lower a correlation color temperature of an emitted light color. The lighting device emits light from white light of a color having a first correlation color temperature to white light of a color having a second correlation color temperature, and the first correlation color temperature is higher than the second correlation color temperature. Consequently, various tones of white light can be more easily adjusted and controlled over a long period. | 06-03-2010 |
| 20100133083 | SIDE-SURFACE LIGHT-EMITTING UNIT AND ILLUMINATED PANEL USING THE SAME - A side surface light emitting unit illuminates, from its side surfaces, one or more objects to be illuminated which are arranged to extend in one direction on a flat surface. The side surface light emitting unit is provided with a light guide body arranged along the side surface of the objects to be illuminated, for projecting light to the side surfaces of the objects, and an LED arranged at least on one end of the light guide body. In the side surface light emitting unit, the upper surface and the lower surface, excluding the side surfaces facing the objects, are blocked from light. The objects to be illuminated, such as key switches, can be brightly illuminated by unintermittent continuous outgoing light, along the arrangement direction of the objects from one end. | 06-03-2010 |
| 20100102347 | LIGHT-EMITTING DIODE - A light-emitting diode includes a substrate ( | 04-29-2010 |
| 20100072502 | LIGHT-EMITTING DIODE - A light-emitting diode includes a circuit board, a pair of electrodes provided on the circuit board, at least one light-emitting diode element electrically connected to the pair of electrodes, a central electrode for heat-dissipation, provided between the pair of electrodes on the circuit board, and a heat-dissipation plate disposed on the central electrode for heat-dissipation and including a reflection surface. The central electrode for heat-dissipation includes an upper central electrode disposed on the upper surface of the circuit board and a lower central electrode disposed on the lower surface of the circuit board and the upper central electrode thermally connected to the lower central electrode. | 03-25-2010 |
| 20100044735 | LIGHT-EMITTING DEVICE - A light-emitting device includes a substrate ( | 02-25-2010 |
| 20100032592 | PHOTO INTERRUPTER AND METHOD MANUFACTURING THE SAME - A method of manufacturing a photo interrupter includes forming a frame including a first frame part and a second frame part which are disposed at an interval to be facing each other, mounting at least one light-emitting element on a first board and attaching the first board to the first frame part of the frame, mounting a light-receiving element on a second board and attaching the second board to the second frame part of the frame, the light-receiving element being mounted on the second board to be facing the light-emitting element so that the light-receiving element receives light emitted from the light-emitting element, and providing a positioning member on the frame by integrally forming the positioning member with the frame. | 02-11-2010 |
| 20090266696 | SHEET-SWITCH MODULE - A sheet-switch module includes a substrate; a plurality of switches formed on the substrate; a light guiding sheet disposed above the plurality of switches and having a plurality of protruding portions formed on a surface thereof facing each of the switches, each of the protruding portions being disposed to face a respective switch; and a light source disposed at one end of the substrate and causing light to enter the light guiding sheet, at least one of the plurality of protruding portions of the light guiding sheet having a light-shielding portion at a position of location of the at least one of the plurality of protruding portions. The light-shielding portion is configured by a light-shielding portion provided at least one of a peripheral surface and a peripheral edge of the protruding portions on an opposite side to a surface close to and facing the light source, or is configured by a light-shielding portion provided at a contact portion of the protruding portions and the switches. | 10-29-2009 |
| 20090243609 | MAGNETIC SENSOR ELEMENT AND MAGNETIC SENSOR USING THE SAME - The present invention provides a fluxgate magnetic sensor element which includes: a substrate; an exciting pattern which is disposed on the substrate to generate a magnetic field; a magnetic thin film pattern for detection which is disposed adjacent to the exciting pattern; and a detection coil pattern which is disposed adjacent to the magnetic thin film pattern for detection. In the magnetic sensor element, the exciting pattern, the magnetic thin film pattern for detection, and the detection coil pattern are formed on the substrate. Therefore, the magnetic sensor element can be formed into a flat shape. Moreover, since the length of the generated magnetic field is short in a long-axis direction, the size and thickness of the element itself can be reduced. | 10-01-2009 |
| 20090224268 | LIGHT-EMITTING DIODE AND LIGHTING APPARATUS USING THE SAME - A light-emitting diode includes a substrate, a light-emitting diode element mounted on an upper surface of the substrate, and a sealing member that covers the light-emitting diode element. At least one pair of lower electrodes electrically connected to the light-emitting diode element and at least one pair of connecting electrodes connected to each other are disposed on the substrate. A connecting wiring pattern for connecting the pair of connecting electrodes is provided between the connecting electrodes. | 09-10-2009 |
| 20090206356 | LIGHT-EMITTING DIODE - A through-hole extending from an element-mounting surface to a back surface of a substrate is formed along an edge area of a bottom surface of the substrate. This through-hole is filled with a conductive resin paste directly into a quarter through-hole made in the substrate. This makes the conductive resin paste firmly adhere to the substrate preventing the conductive resin paste from being peeling off from the quarter through-hole even if the through-hole is reduced in diameter or has a cross-sectional configuration. | 08-20-2009 |
| 20090201655 | PUSH BUTTON SWITCH - A push button switch includes a base part ( | 08-13-2009 |
| 20090200147 | PUSH BUTTON SWITCH - A push button switch includes a base part provided with a fixed contact and a snap dome, a light source disposed on a lower surface of the base part, a cover member disposed to cover the base part and having at one side surface an opening, and an operating controller disposed to slide inside the opening in a lateral direction and configured to press the snap dome downwardly. The light source is contained in a cutout provided in a motherboard on which the push button switch is mounted, to illuminate the operating controller brightly. | 08-13-2009 |
| 20090160302 | LED LIGHTING LAMP - The present invention is an LED lighting lamp which comprises a lamp body including a light emitting part in which a plurality of LED elements are arranged on each of side surfaces of a polygonal supporting member and a connection part which is provided at a different position from that of the light emitting part and is formed with a plurality of terminal electrodes electrically connected to the LED elements, and a socket in which the connection part of the lamp body is fitted and which has a pair of output terminals electrically connected to the terminal electrodes, and which is configured to enhance reliability and long-term stability and reduce a cost involved in exchanging a light source. | 06-25-2009 |
| 20090146176 | LIGHT EMITTING DIODE - The outer peripheral portion of a substrate is provided with a first peripheral edge and a second peripheral edge. The first peripheral edge is provided on the edge portion of a first upper surface of the substrate on which a light-emitting diode element is mounted. The second peripheral edge is formed either on an extension of an imaginary line connecting an edge of the light-emitting facet of the light-emitting diode element and the first peripheral edge or inwardly of the extension. The second peripheral edge is located at a position where the first peripheral edge blocks direct light from the light-emitting diode element. This configuration prevents the second upper surface of the substrate provided between the first peripheral edge and the second peripheral edge from becoming deteriorated due to the direct light. | 06-11-2009 |
| 20090109683 | LIGHT GUIDE PLATE FOR DISPLAY DEVICE - A light guide plate according to the present invention includes an incident plane into which a light flux from a light source is incident, and a plurality of prisms having reflection planes reflecting the light flux incident from the incident plane, wherein the reflection planes of the plurality of prisms are extended to cross in a direction in which the light flux from the light source incident into the incident plane travels, and of the reflection planes of the plurality of prisms, the reflection plane of at least one prism closest to the incident plane is formed in a recess shape with respect to the incident plane. Thereby nonuniformity of backlight illumination can be improved and a display device can be uniformly and efficiently illuminated. | 04-30-2009 |
| 20090109631 | ELECTRONIC-COMPONENT-MOUNTING BOARD - The electronic-component-mounting board according to the present invention includes: a high-heat-dissipation substrate including a metal plate and a circuit pattern formed on a upper surface of the metal plate; an electronic component which is mounted on the high-heat-dissipation substrate and is electrically connected to the circuit pattern; and one external connection terminal which is disposed on the high-heat-dissipation substrate and provides electrical connection between the electronic-component-mounting board and an external device. The external-connection terminal is formed of a material having a thermal conductivity less than that of the metal plate and has at least one external electrode to which a lead wire is soldered. Therefore, the lead wire can be connected by soldering even on the high-heat-dissipation substrate. Accordingly, the reliability of the electrical connection is improved, and reduction in size and thickness of the electronic-component-mounting board can be achieved. In addition, the cost of the electronic-component-mounting board can be reduced. | 04-30-2009 |
| 20090108283 | ILLUMINATION DEVICE AND METHOD FOR MANUFACTURING THE SAME - An illumination device includes a circuit board ( | 04-30-2009 |
| 20090096299 | ELECTROMAGNETIC EXCITER AND MANUFACTURING METHOD THEREFOR - A thin electromagnetic exciter has a flat casing including a casing body ( | 04-16-2009 |
| 20090095881 | PHOTO REFLECTOR - A photo reflector ( | 04-16-2009 |
| 20090086477 | PLANAR LIGHT SOURCE AND METHOD OF MANUFACTURING PLANAR LIGHT SOURCE - A planar light source directly mixes three colors of light from light-emitting diodes into white light. The planar light source has a plurality of red ( | 04-02-2009 |
| 20090014305 | SHEET SWITCH MODULE - A sheet switch module includes a circuit board ( | 01-15-2009 |
| 20080309443 | INDUCTOR AND METHOD FOR PRODUCING IT - An inductor includes a coil formed by winding a metallic wire, terminal electrodes connected to the coil, a first resin which is configured to cover at least one portion of a peripheral side surface of the coil and contains a magnetic powder, and a second resin which does not contain the magnetic powder and is configured to seal the coil covered by the first resin. Thereby, it is possible to provide an inductor having a stable characteristic with an unchanging L value even when there is contact during mounting of the inductor or impact during use of an electronic device in which the inductor is installed. | 12-18-2008 |
| 20080291691 | SIDE-EMISSION TYPE LIGHT-EMITTING DIODE AND A BACKLIGHT UNIT USING THE LIGHT-EMITTING DIODE - A side-emission type light-emitting diode including: a first substrate having a concave formed in one of side surfaces of the first substrate, the concave including an inner surface which is configured to be a first reflecting surface; an LED-element-mounting board of thin plate shape, arranged on the lower surface of the first substrate, the board configured to close the concave at the lower surface of the first substrate; an LED element mounted on the board and arranged in the concave; and a light-transmitting resin filled in the concave and configured to seal the LED element. | 11-27-2008 |
| 20080259244 | LIGHT SOURCE APPARATUS AND DISPLAY APPARATUS HAVING THE SAME - The present invention provides a light source apparatus less costly, capable of being reduced in size and thickness and superior in light combining performance and a display apparatus having the light source apparatus. The light source apparatus has a plurality of light sources different in emission wavelength from each other and a prism sheet having a plurality of mutually parallel fine elongated prisms on at least one surface thereof. Lights from the light sources enter the prism sheet through a light entrance surface of the prism sheet at a predetermined angle and output from an exit surface thereof as color-mixed exiting light. A bandpass mirror is disposed between each light source and the prism sheet to transmit light in a wavelength region emitted from the associated light source and to reflect light in the other wavelength regions. | 10-23-2008 |
| 20080254650 | LIGHT-EMITTING DIODE AND METHOD FOR PRODUCING IT - An LED includes a printed circuit board, at least one LED element including a junction and mounted on the printed circuit board, a first sealing member disposed to cover side surfaces of the LED element, and a second sealing member disposed to cover side surfaces of the LED element. The first sealing member is configured to reflect and shield light emitted from the junction of the LED element, and the second sealing member is configured to transmit light emitted from the LED element. | 10-16-2008 |
| 20080253117 | OPTICAL MEMBER AND LIGHTING DEVICE HAVING THE SAME - An optical member ( | 10-16-2008 |
| 20080231771 | LIGHT-EMITTING DIODE AND METHOD FOR MANUFACTURING THE SAME - An LED which includes a substrate, at least one light-emitting element mounted on, and electrically connected to, the substrate, and a sealing member mounted to the substrate so as to seal the light-emitting element. The sealing member contains an inorganic material having a high contrast ratio and a high reflectivity in an amount which accords with the luminance of the light-emitting element. | 09-25-2008 |
| 20080224155 | LIGHT-EMITTING DIODE UNIT - An LED unit including a frame ( | 09-18-2008 |
| 20080218470 | DISPLAY APPARATUS - A display apparatus includes an image display body having a front surface that rewritably displays image information and a light unit that illuminates the front surface of the image display body. The light unit has a light source and a light-transmitting sheet-shaped first lighting member superimposed over the front surface of the image display body. The first lighting member receives light from the light source and emits the light toward the front surface of the image display body to illuminate the front surface. | 09-11-2008 |
| 20080210968 | LIGHT-EMITTING DIODE - A light-emitting diode includes: a light-transmitting substrate; a light-emitting element mounted on the upper surface of the light-transmitting substrate; and a light-transmitting resin that seals the light-emitting element. The outer surface of the light-transmitting resin is covered with a reflecting layer formed from a silver or aluminum thin film. The light emitted from the light-emitting element is reflected from the reflecting layer, and the reflected light is guided out from the lower surface of the light-transmitting substrate in an efficient manner with minimum wastage of light intensity, and thus, high luminance light can be emitted. | 09-04-2008 |
| 20080203423 | LIGHT-EMITTING DIODE - A light-emitting diode is provided which includes: a sheet-like substrate; a pair of electrode patterns formed to wrap round and cover substantially entire upper and lower surfaces of the substrate, said pair of electrode patterns comprising an upper electrode portion, a lower electrode portion and a side electrode portion; a light-emitting element mounted on at least one of the electrode patterns; and a translucent sealing resin body that seals the light-emitting element. The pair of electrode patterns are separated by spaces formed therebetween, and substantially the entire surfaces of the substrate, except the spaces, are covered with the electrode patterns. | 08-28-2008 |
