| CITIZEN ELECTRONICS CO., LTD. Patent applications |
| Patent application number | Title | Published |
|---|
| 20160116140 | LIGHT-EMITTING APPARATUS AND METHOD OF MANUFACTURING THE SAME - A light-emitting apparatus that improves the use efficiency of emission light from light-emitting elements by an optical element for light collection and improves the light-emitting intensity in front of the apparatus without increasing the size of the apparatus, and its manufacturing method are provided. The light-emitting apparatus includes light-emitting elements, a substrate on which the light-emitting elements are mounted in a mounted region and a pair of electrodes for supplying power to the light-emitting elements is arranged around the mounted region, a sealing resin that contains a phosphor excited by emission light from the light-emitting elements and seals the light-emitting elements on the mounted region, and an optical element that is placed to cover the sealing resin with a lower end in contact with a flat region between the pair of electrodes and the sealing resin on the substrate and collects light emitted from the light-emitting elements through the sealing resin. | 04-28-2016 |
| 20160113077 | LED DRIVE CIRCUIT - An LED drive circuit includes a rectification circuit configured to rectify an alternating-current voltage that is input via a dimmer circuit, a delay circuit having a switch, and a light emitting unit including an LED array including LEDs connected in series, wherein the delay circuit turns on the switch when a predetermined time elapses after the alternating-current current is input, and the rectification circuit and the LED array are directly connected when the switch is on. | 04-21-2016 |
| 20160027981 | LED MODULE - An object is to provide an LED module that eliminates the need for providing electrodes between each device and allows LEDs to be arrayed with high density. An LED module includes a substrate, a first frame member, a second frame member disposed outside the first frame member, a plurality of LEDs for producing white light disposed within the first frame member, a phosphor resin disposed within the first frame member, a plurality of LEDs for producing colored light disposed between the first frame member and the second frame member, and electrodes for applying a voltage to the plurality of LEDs for producing the white light, wherein a metal wire to connect the plurality of LEDs for producing the colored light to one another is disposed so as to straddle a part of each of the electrodes. | 01-28-2016 |
| 20160018078 | LIGHT-EMITTING APPARATUS AND METHOD OF MANUFACTURING THE SAME - A light-emitting apparatus is provided which can improve the reflectance of light in the emission wavelength region of the LED. The light-emitting apparatus includes a mount board constituted by a metal support, a circuit board provided with an opening and fixed onto the mount board, a multi-layered film containing silver as a light-reflecting material, the multi-layered film being stacked on the mount board exposed in the opening, exclusive of a portion of the mount board onto which the circuit board is fixed, and an LED element mounted on the multi-layered film. | 01-21-2016 |
| 20150382420 | LED DRIVE CIRCUIT - The purpose of the present invention is to provide an LED drive circuit that is capable of ameliorating insufficient lighting and improving power utilization efficiency. This LED drive circuit is an LED drive circuit wherein the number of LEDs that are turned on varies in accordance with the voltage of a commercial alternating-current power supply, the LED drive circuit being characterized by having an LED row in which multiple LEDs are connected in series, a current detection resistor for detecting a current that flows in the LED row, a bypass circuit that is connected to an intermediate connection part of the LED row, and a current-limiting circuit that is connected to an end of the LED row, wherein the bypass circuit includes a first current-limiting component, the current-limiting circuit includes a second current-limiting component, the first current-limiting component is controlled on the basis of a voltage across the ends of the current detection resistor or a voltage that is obtained by dividing the voltage across the ends of the current detection resistor, and the second current-limiting component is controlled by the divided voltage that is obtained by dividing the current detection resistor. | 12-31-2015 |
| 20150380460 | LIGHT-EMITTING DEVICE, METHOD FOR DESIGNING LIGHT-EMITTING DEVICE, METHOD FOR DRIVING LIGHT-EMITTING DEVICE, ILLUMINATION METHOD, AND METHOD FOR MANUFACTURING LIGHT-EMITTING DEVICE - An object of the present invention is to provide a light-emitting device that can implement a natural, vivid, highly visible and comfortable appearance of colors and appearance of objects as if the objects are seen outdoors, and to provide a light-emitting device that can change the appearance of colors of the illuminated objects so as to satisfy the requirements for various illuminations, and a method for designing thereof. Another object of the present invention is to improve the appearance of colors of a light-emitting device which currently exists or is in use, and which includes a semiconductor light-emitting device of which appearance of colors is not very good. Moreover, another object of the present invention is to provide a method for driving the light-emitting device, an illumination method by the device, and a method for manufacturing the light-emitting device. | 12-31-2015 |
| 20150364451 | LED LIGHT EMITTING DEVICE - An LED light emitting device with good color mixing property is provided. The LED light emitting device including a rectangular substrate having a short-side and a long-side and a first LED element, a second LED element and a third LED element that are mounted on a surface of the substrate and emit light with wavelengths different from one another, wherein the first LED element and the second LED element are mounted on the substrate so that a first distance from the short-side to a mounting position of the first LED element in the long-side direction of the substrate and a second distance from the short-side to a mounting position of the second LED element in the long-side direction are the same. | 12-17-2015 |
| 20150345763 | LIGHTING DEVICE INCLUDING LIGHT-EMITTING ELEMENT - In accordance with a first aspect of the present inventive subject matter, a lighting device includes light-emitting elements arranged in lines that are extended in parallel with one another, the light-emitting elements being divided into groups each including the same number of light-emitting elements, a first connecting electrode is disposed adjacent to one end portion of the lines extended, a second connecting electrode is disposed adjacent to another end portion of the lines extended, and the light-emitting elements within each group are electrically connected in series with one another by metallic wires and electrically connected in series to the first connecting electrode and to the second connecting electrode. The groups each include the same number of light-emitting elements that are electrically connected in parallel between the first connecting electrode and the second connecting electrode. | 12-03-2015 |
| 20150311405 | LED DEVICE AND MANUFACTURING METHOD THEREOF - Provided is an LED device which is compact while having good luminous efficiency and a focused light distribution. This LED device is provided with: a reflective frame around the outer periphery of the LED device; an LED die which has a transparent insulating substrate, a semiconductor layer formed on the bottom surface of the transparent insulating substrate, and an outer connection electrode disposed on the semiconductor layer; and a fluorescent member which is disposed on at least the top surface of the LED die and which converts the wavelength of the light emitted from the LED die. On the inside of the reflective frame is an inclined surface in contact with the lateral surface of the fluorescent member, and the inclined surface is formed such that the inner diameter of the reflective frame widens from the bottom surface towards the top surface of the LED die. Also provided is a manufacturing method of the LED device. | 10-29-2015 |
| 20150311403 | LED LIGHTING APPARATUS AND METHOD FOR MANUFACTURING THE SAME - To provide an LED lighting apparatus and a method for manufacturing the same that can improve the bonding strength between an aluminum substrate and a printed wiring substrate. An LED lighting apparatus and a method for manufacturing the same, the LED lighting apparatus includes an aluminum substrate, a plurality of reflectivity-enhanced layers formed on the aluminum substrate, an LED device bonded on said plurality of reflectivity-enhanced layers, a printed wiring substrate bonded onto a region on the aluminum substrate other than a region where the plurality of reflectivity-enhanced layers are formed, a wire for connecting between the printed wiring substrate and the LED device, a frame member formed so as to surround said LED device, and a phosphor resin deposited over a region inside the frame member. | 10-29-2015 |
| 20150155460 | LIGHT-EMITTING APPARATUS - A light-emitting apparatus that can produce white light that appears crisper by controlling light-emitting devices of different colors using a simplified wiring configuration is provided. The light-emitting apparatus includes a plurality of blue-emitting devices as blue-emitting semiconductor light-emitting devices, a plurality of green-emitting devices as green-emitting semiconductor light-emitting devices, and a sealing resin through which is dispersed a red phosphor that emits red light by absorbing blue light from the plurality of blue-emitting devices and green light from the plurality of green-emitting devices as pump light, the sealing resin covering the plurality of blue-emitting devices and the plurality of green-emitting devices, wherein the plurality of blue-emitting devices and the plurality of green-emitting devices are connected in series with each other. | 06-04-2015 |
| 20150124455 | LED MODULE - Provided is an LED module that can be easily manufactured while maintaining good reflective characteristics even when a plurality of LED elements and other electronic components are packaged on a circuit substrate. This LED module is characterized by having: a sub-mounting substrate for packaging a plurality of LED elements; a module substrate for packaging an electronic component other than the plurality of LED elements, the sub-mounting substrate being mounted on the module substrate; a dam material disposed on the module substrate and surrounding a mounting part of the sub-mounting substrate; and a cover member for covering top faces of the plurality of LED elements, the cover member being filled into an inside region of the dam material; the reflectance of a surface of the sub-mounting substrate being set higher than the reflectance of a surface of the module substrate. | 05-07-2015 |
| 20150091029 | LED LIGHT EMITTING APPARATUS - The purpose of the present invention is to provide an LED light emitting apparatus, which has both the high reliability with respect to connection of the LED elements, and improved light extraction efficiency. This LED light emitting apparatus includes a mounting substrate having an element mounting region, in which a reflection layer is formed; a plurality of LED elements mounted in the element mounting region; a pair of facing electrodes, which have gold plating layers formed thereon, respectively, which are provided around the element mounting region, and which are connected to the LED elements by wire bonding; and a sealing frame, which is disposed around the element mounting region so as to cover the pair of facing electrodes. The inner circumference of the sealing frame is provided at a position where the inner circumference of the sealing frame covers the outer circumference of the reflection layer. | 04-02-2015 |
| 20150048390 | SEMICONDUCTOR LIGHT EMITTING DEVICE AND FABRICATION METHOD FOR SAME - The purpose of the present invention is to provide a double-sided light emitting type semiconductor light emitting device that can be easily fabricated even if a semiconductor light emitting element is flip-chip mounted, and to provide a fabrication process for the same. The semiconductor light emitting device has a plurality of lead frames, a plurality of semiconductor light emitting elements connected to the plurality of lead frames, and a covering member that covers the plurality of semiconductor light emitting elements. The semiconductor light emitting device is characterized in that the edge of one lead frame among the plurality of lead frames is disposed in close proximity to the edge of another lead frame so as to form a gap, and the plurality of semiconductor light emitting elements are flip-chip mounted on the front surface and rear surface of the one lead frame and the other lead frame so as to straddle the gap. | 02-19-2015 |
| 20140362573 | LED MODULE AND LED LAMP EMPLOYING SAME - Provided is an LED module with which wide light distribution may be obtained even with a small number of attached LED devices, and which has a simple structure which may be easily assembled. An LED module includes a column-shaped mounting substrate and a plurality of LED devices. The mounting substrate has a structure further including an insulation layer between a first copper plate and a second copper plate. When mounting the plurality of LED devices on a leading end part of the mounting substrate, the first copper plate is used as the plus-side electrode, and the second copper plate is used as the minus-side electrode. | 12-11-2014 |
| 20140313724 | LIGHTING DEVICE INCLUDING LIGHT-EMITTING ELEMENT AND METHOD FOR MANUFACTURING THE SAME - In accordance with an aspect of the present inventive subject matter, a lighting device includes light-emitting elements that are mounted in a circular mounting area to be directed in a same direction in the circular mounting area between a first connecting electrode and a second connecting electrode disposed on a substrate, the light-emitting elements are divided into groups each including the same number of light-emitting elements, the light-emitting elements within each group are electrically connected in series with one another by metallic wires and electrically connected in series to the first connecting electrode and to the second connecting electrode. The groups each include the same number of light-emitting elements that are electrically connected in parallel between the first connecting electrode and the second connecting electrode. As another aspect of the present inventive subject matter, a method of manufacturing a lighting device is disclosed. | 10-23-2014 |
| 20140220714 | METHOD FOR MANUFACTURING SEMICONDUCTOR LIGHT-EMITTING ELEMENT - The invention is directed to the provision of a method for manufacturing a semiconductor light-emitting element that eliminates the need for preparing a plurality of different fluorescent sheets. The method for manufacturing the semiconductor light-emitting element containing an LED die includes the steps of arranging the LED die on a fluorescent sheet containing a fluorescent substance and adjusting the amount by which the LED die is depressed into the fluorescent sheet so that the semiconductor light-emitting element has a desired color emission. | 08-07-2014 |
| 20140211463 | LIGHT-EMITTING DEVICE AND METHOD FOR COMPENSATING CHROMATICITY OF LIGHT-EMITTING DEVICE - An object of the present invention is to provide a light-emitting device having a temperature compensation function implemented with simple circuitry, and a method of temperature compensation in such a light-emitting device. More specifically, the invention provides a light-emitting device and a method of temperature compensation using a light-emitting device, wherein the light-emitting device includes a substrate, a first LED chip which is arranged on the substrate, and which has a characteristic such that Δx and Δy, each representing an amount of displacement on an xy chromaticity diagram, both are negative as temperature rises, and a second LED chip which is arranged on the substrate, and which has a characteristic such that Δx and Δy, each representing an amount of displacement on an xy chromaticity diagram, both are positive as temperature rises. | 07-31-2014 |
| 20140197741 | LED LIGHTING APPARATUS - When an LED lighting apparatus which is a lighter load than an incandescent lamp or halogen lamp is connected to a dimmer, a malfunction may occur. The invention prevents the occurrence of such malfunction without defeating the purpose of low power consumption of the LED lighting apparatus. More specifically, the LED lighting apparatus includes a rectifier circuit, a light-emitting circuit connected to the rectifier circuit and containing a single or a plurality of LEDs in which current begins to flow when an output voltage of the rectifier circuit exceeds a threshold voltage, and a bypass circuit having a bypass path for making the current flow to the rectifier circuit without passing through the light-emitting circuit, and a detecting unit for detecting the current flowing through the light-emitting circuit, and wherein when the current detected by the detecting unit exceeds a predetermined value, the bypass circuit shuts off the current flowing through the bypass path. | 07-17-2014 |
| 20140152172 | LIGHT-EMITTING DIODE AND LIGHTING DEVICE INCLUDING THE SAME - In a first aspect of the present invention, a light-emitting diode includes a light-emitting element with a p-n junction, a first light-transmitting member including a phosphor and sealing the light-emitting element, and first and second covers disposed on opposite surfaces of the first light-transmitting member. It is disclosed that the first and second covers extend over edges of the opposite surfaces of the first light-transmitting member. In a second aspect of the present invention, a first cover disposed on a first parallel surface of a first light-transmitting member can be greater in thickness than a second cover. In some embodiments, it is disclosed that a second light-transmitting member with higher diffusion coefficient than the first light-transmitting member disposed in contact with a first perpendicular surface of the first light-transmitting member. | 06-05-2014 |
| 20140146533 | LIGHT SOURCE AND LIGHTING DEVICE INCLUDING THE SAME - In a first aspect of the present inventive subject matter, a light source includes a substrate that includes a first electrode and a second electrode, and light-emitting elements arranged in an area and divided into groups each including a same number N of light-emitting elements that are electrically connected to one another in series in each group of the groups and that are electrically connected in series to the first electrode and to the second electrode of the substrate, and the light-emitting elements include a first light-emitting element that is configured to start emitting light when a voltage applied to the light-emitting elements exceeds a first voltage value, and the light-emitting elements except the first light-emitting element are configured to start emitting light when the voltage exceeds a second voltage value that is higher than the first voltage value. Also, a lighting device including the light source is disclosed. | 05-29-2014 |
| 20140055996 | LIGHTING DEVICE - In a first aspect of the present invention, a lighting device includes a substrate that includes a pair of electrodes as a first electrode and a second electrode, groups each including a same number of light-emitting elements that are electrically connected to one another in series in each group and that are arranged between the first electrode and the second electrode, a first light-transmitting member including a first phosphor and covering at least one light-emitting element and a second light-transmitting member including a second phosphor and covering at least one light-emitting element that is uncovered by the first light-transmitting member, the first phosphor in the first light-transmitting member and the second phosphor in the second light-transmitting member being configured to be excited to emit light with emission spectrum different from each other, and the first light-transmitting member being enclosed by the second light-transmitting member. | 02-27-2014 |
| 20130334974 | LIGHTING DEVICE - Providing a lighting device wherein provisions are made to be able to provide a sufficiently high dielectric strength while retaining the required heat-sink property even when a module substrate with a plurality of LED elements mounted thereon is reduced in size. A lighting device includes a module substrate on an upper surface of which are mounted a plurality of LED elements, a heat-sink member, having a raised portion, for dissipating heat generated by the plurality of LED elements, and an insulating sheet formed with an opening and interposed between a portion of the lower surface of the module substrate and the heat-sink member, and wherein the raised portion is formed so as to be located via the opening in close proximity to the lower surface of a region where the plurality of LED elements are mounted on the module substrate. | 12-19-2013 |
| 20130234609 | LED LIGHTING DEVICE - When a pulsating current is applied to an LED string included in an LED lighting device, and the number of LEDs caused to light up is changed, the LED lighting device is in efficient, since there are LEDs lighting up for a long period of time and LEDs lighting up only for a short period of time. The LED string includes LED string | 09-12-2013 |
| 20130221864 | LED LIGHTING CIRCUIT, LED ILLUMINATION DEVICE, AND LED ILLUMINATION UNIT SOCKET - The purpose of the present invention is to provide an LED lighting circuit, which can normally light an LED even if an alternating current power supply is an electronic transformer, an LED illuminating device, and a socket for an LED illuminating unit. Disclosed is an LED lighting circuit includes a rectifier circuit for rectifying an AC output from an AC power supply, an LED drive unit, which drives the LED by having rectifying output inputted thereto from the rectifying circuit, a reverse current preventing unit, which is provided between the rectifying circuit and the LED drive unit, and a terminal voltage control unit, which reduces the output terminal voltage of the rectifying circuit in the case where the alternating current output from the alternating current power supply is unstable or stopped. Also provided are an LED illuminating device, and a socket for an LED illuminating unit. | 08-29-2013 |
| 20130163241 | MOUNTING METHOD OF LIGHT-EMITTING ELEMENT AND LIGHTING DEVICE INCLUDING LIGHT-EMITTING ELEMENT - In a first aspect of the present invention, it is suggested that a mounting method for mounting light-emitting elements as evenly as possible in a mounting area of a lighting device may permit increased number of light-emitting elements. In a second aspect of the present invention, a lighting device including a substrate with a circular mounting area, a plurality of light-emitting elements configured to be positioned at centers of equal smaller circular areas that are calculated to be equal in size in the circular mounting area, the equal smaller circular areas being equal in size to each other and set as large as possible without an overlapping portion in the circular mounting area, a total area of the equal smaller circular areas being smaller than the circular mounting area, and the light-emitting elements and the equal smaller circular areas being the same in number is suggested. | 06-27-2013 |
| 20130161662 | LIGHTING DEVICE - In a first aspect of the present invention, a lighting device including a metal plate, an electrical insulation layer that is smaller in size than an outline of the metal plate and arranged on an upper surface of the metal plate, a light-emitting element mounted on the electrical insulation layer, and a first connecting electrode and a second connecting electrode electrically connected to the light-emitting element and arranged on the electrical insulation layer. | 06-27-2013 |
| 20130141891 | LIGHTING DEVICE INCLUDING LIGHT-EMITTING ELEMENT - In accordance with a first aspect of the present inventive subject matter, a lighting device includes light-emitting elements arranged in lines that are extended in parallel with one another, the light-emitting elements being divided into groups each including the same number of light-emitting elements, a first connecting electrode is disposed adjacent to one end portion of the lines extended, a second connecting electrode is disposed adjacent to another end portion of the lines extended, and the light-emitting elements within each group are electrically connected in series with one another by metallic wires and electrically connected in series to the first connecting electrode and to the second connecting electrode. The groups each include the same number of light-emitting elements that are electrically connected in parallel between the first connecting electrode and the second connecting electrode. | 06-06-2013 |
| 20130127328 | LIGHT-EMITTING DEVICE AND MANUFACTURING METHOD OF THE SAME - A light-emitting device includes a substrate that includes at least a pair of electrodes, an LED element electrically mounted on the substrate, a phosphor plate adhered to an upper surface of the LED element and including an upper surface and a lower surface each having an area larger than that of the upper surface of the LED element, a white resin provided on an upper surface of the substrate and seamlessly covering a peripheral side surface of the LED element and a peripheral side surface of the phosphor plate. A lower surface of the phosphor plate is adhered to the upper surface of the LED element through a transparent adhesive. | 05-23-2013 |
| 20130099276 | LED LIGHT SOURCE DEVICE AND MANUFACTURING METHOD FOR THE SAME - An object of the invention is to provide an LED light source device and a manufacturing method for the same that can maintain high reflectance over an extended period of time notwithstanding the interaction between light and heat. More specifically, the invention provides an LED light source device that includes a substrate, an electrode formed on the substrate, a white inorganic resist layer deposited over the substrate so as to cover a surface thereof everywhere except where the electrode is formed, and an LED element connected to the electrode, wherein the white inorganic resist layer contains fine white inorganic particles dispersed or mixed into an inorganic binder, and a method for manufacturing such an LED light source device. | 04-25-2013 |
| 20130093313 | LIGHT-EMITTING DEVICE - A light-emitting device includes a phosphor plate including an upper surface, a lower surface opposite to the upper surface, a peripheral side surface extending between a peripheral edge of the upper surface and a peripheral edge of the lower surface of the phosphor plate, a light-emitting element including an upper surface, a lower surface opposite to the upper surface, a peripheral side surface extending between a peripheral edge of the upper surface and a peripheral edge of the lower surface of the light-emitting element. The lower surface of the phosphor plate includes a concave that is filled with an adhesive and the lower surface of the phosphor plate is disposed on the upper surface of the light-emitting element. The phosphor plate may contain a first phosphor, and the adhesive filled in the concave that is provided at the lower surface of the phosphor plate may include a second phosphor. | 04-18-2013 |
| 20130088159 | LIGHT-EMITTING DEVICE - A light-emitting device includes a mounting area that includes a first end and a second end opposite to the first end, a first electrode group disposed adjacent to the first end of the mounting area, a second electrode group disposed adjacent to the second end of the mounting area, a plurality of files each in that a plurality of light-emitting elements are arranged in the mounting area to extend from a vicinity of the first end of the light-emitting area to a vicinity of the second end of the mounting area and electrically connected in series with each other of the light-emitting elements in each file. Light-emitting elements included in two or more files can be a light-emitting block to be lighted together through electrodes of the first electrode group and the second electrode group. | 04-11-2013 |
| 20130076233 | LIGHT-EMITTING ELEMENT AND LIGHTING DEVICE USING THE SAME - A light-emitting element according to an embodiment of the present invention includes a body including an upper surface, a lower surface opposite to the upper surface, and a peripheral side surface extending between peripheral edges of the upper surface and peripheral edges of the lower surface, the peripheral side surface including a front surface and a rear surface opposite to the front surface; a pair of element electrodes as a first element electrode and a second element electrode positioned at the rear surface of the body; and a support disposed at the rear surface of the body between the first element electrode and the second element electrode that are positioned at a lower area of the rear surface of the body. | 03-28-2013 |
| 20130069525 | LIGHT-EMITTING DEVICE, LIGHTING DEVICE INCLUDING THE LIGHT-EMITTING DEVICE, AND METHOD OF MANUFACTURING THE LIGHT-EMITTING DEVICE - A light-emitting device includes a light-emitting element with a pair of element electrodes as a first element electrode and a second element electrode positioned at the lower surface of the light-emitting element; a phosphor plate disposed on the upper surface of the light-emitting element; a first resin covering the lower surface and the peripheral side surface of the light-emitting element with the first element electrode and the second element electrode partly appearing from the first resin; and a second resin provided in the phosphor plate. | 03-21-2013 |
| 20130069518 | LIGHT-EMITTING DEVICE - A light-emitting device includes a rectangular substrate, a through-holes that is in a shape of a quarter of circle provided in two corners or four corners of the substrate, a pair of electrodes provided along short sides of the substrate and electrically connected to the through-hole(s) that is adjacently disposed to each of the electrodes. Each of the through-holes is covered by a cover that is in a shape of a quarter of circle. | 03-21-2013 |
| 20130037847 | LAYERED SUBSTRATE, LIGHT-EMITTING DIODE INCLUDING THE LAYERED SUBSTRATE AND LIGHTING DEVICE USING THE LIGHT-EMITTING DIODE - A layered substrate includes a first substrate including an upper surface, a lower surface, a peripheral surface between peripheral edges of the upper surface and the lower surface, and a cut portion cut into the peripheral surface and passing through the upper surface and the lower surface, and a second substrate including an upper surface, a lower surface, and a peripheral surface between peripheral edges of the upper surface and the lower surface, and the lower surface of the second substrate layered on the upper surface of the first substrate and closing the cut portion of the first substrate from above. The second substrate includes a heat conductor that is thermally connected to an element to be mounted on the upper surface of the second substrate, the heat conductor configured to thermally extend to the cut portion of the first substrate. | 02-14-2013 |
| 20130033186 | LIGHT EMITTING DEVICE - Provided is a light-emitting device that aims not to affect a service life and characteristics of light emission by releasing heat from a substrate on that a plurality of LED elements mounted, and the LED elements generate the heat. | 02-07-2013 |
| 20120319563 | LIGHT-EMITTING DEVICE AND MANUFACTURING METHOD OF THE SAME - A light-emitting device includes a substrate that includes at least a pair of electrodes, an LED element electrically mounted on the substrate, a phosphor plate adhered to an upper surface of the LED element and including an upper surface and a lower surface each having an area larger than that of the upper surface of the LED element, a white resin provided on an upper surface of the substrate and seamlessly covering a peripheral side surface of the LED element and a peripheral side surface of the phosphor plate. A lower surface of the phosphor plate is adhered to the upper surface of the LED element through a transparent adhesive. | 12-20-2012 |
| 20120313135 | MOUNTING BOARD AND STRUCTURE OF THE SAME - A mounting board including a pair of patterned electrodes, a lower surface and an upper surface opposed thereto on which a substrate of an electronic component is to be mounted, a pass-through hole penetrating through the upper surface and the lower surface, and a peripheral side surface that defines the pass-through hole. The pass-through hole includes a plurality of penetrating grooves that are cut into the mounting board and penetrate through the upper and lower surfaces. The plurality of penetrating grooves electrically split the pair of patterned electrodes. The pair of patterned electrodes is partly positioned inside the peripheral side surface, and a connection portion connecting the at least one pair of patterned electrodes and at least one pair of patterned electrodes provided on the upper surface of the substrate of the electronic component is to be disposed inside the peripheral side surface that defines the pass-through hole. | 12-13-2012 |
| 20120302124 | METHOD OF PRODUCING LIGHT- EMITTING DEVICE AND LIGHT-EMITTING DEVICE - It is an object to produce a thin light-emitting device in an extremely simple method that does not include a substrate on which a light-emitting element is to be mounted. | 11-29-2012 |
| 20120250313 | PLANAR LIGHT-EMITTING DEVICE - A planar light-emitting device includes a first reflecting surface, a rectangular support disposed adjacent to the first reflecting surface, light sources each including a light-emitting surface and disposed along, at least one side portion of the rectangular support, and a lens including a light-receiving surface disposed to face the light-emitting surfaces of the light sources, and configured to introduce light emitted from the light sources into a space that is demarcated by at least the first reflecting surface and the rectangular support. | 10-04-2012 |
| 20120162989 | LIGHTING DEVICE - A lighting device | 06-28-2012 |
| 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 |
