Patent application number | Description | Published |
20080231194 | DISCHARGE BULB FOR VEHICLE - A discharge bulb and an arc tube are provided. The discharge bulb includes an arc tube main body having a discharge arc chamber, in which two discharge electrodes are disposed to oppose to each other; a tube portion disposed at each end portion of the arc tube main body, each of the tube portions being in communication with the discharge arc chamber and holding one of the discharge electrodes, wherein a wall for forming the discharge arc chamber has a taper portion whose diameter is reduced gradually from a cylinder portion of the arc tube main body in a center area to the tube portion of the arc tube main body, and an inner diameter Di of the cylinder portion is about 1.0 mm to about 2.5 mm, and a projection length Le of the discharge electrode into the discharge arc chamber is about 1.5 mm to about 2.5 mm. | 09-25-2008 |
20090146546 | DISCHARGE LAMP - A discharge lamp for a vehicle is provided with a ceramic luminous tube, a front side electrode and a rear side electrode held by the ceramic luminous tube, a first lead wire connected to the front side electrode, a second lead wire connected to the rear side electrode, a third lead wire having a front end portion connected to the first lead wire, an outer tube, and a socket. The ceramic luminous tube, the first lead wire, the second lead wire and the third lead wire are accommodated in the outer tube. The ceramic luminous tube includes a luminous portion and a pair of small diameter tube portions. The luminous portion is formed into a substantially cylindrical shape extending in a longitudinal direction. The third lead wire includes a horizontal portion extending in the longitudinal direction above the luminous portion. | 06-11-2009 |
20090200944 | MERCURY-FREE ARC TUBE FOR DISCHARGE LAMP UNIT - There is provided a mercury-free arc tube for a discharge lamp unit. The mercury-free arc tube includes a plurality of electrodes and a sealed chamber including a metal halide and a starting rare gas enclosed in the sealed chamber. A clearness index value P | 08-13-2009 |
20100295449 | VEHICULAR DISCHARGE LAMP - A vehicular discharge lamp includes a pair of electrodes including sealed portions sealed in a pair of pinch seal portions of a light emitting tube, wherein each of the sealed portions is segmented into: a first intermediate region positioned in the middle of the electrode in an axial direction; two end regions configured as both end portions of the sealed portion in the axial direction; and two second intermediate regions positioned between the first intermediate region and the end regions, respectively, wherein concave or convex fabrication portions are formed in the second intermediate regions, and wherein a ratio of formation area of the fabrication portions to an area of an outer peripheral surface of the first intermediate region is set to be smaller than that of the formation area of the fabrication portions to an area of outer peripheral surfaces of the second intermediate regions. | 11-25-2010 |
20120235563 | DISCHARGE LAMP BULB - A discharge lamp bulb includes an arc tube having: a pair of electrodes that are opposed to each other inside a luminous tube; an outer tube having the luminous tube therein; a pair of lead wires connected to the electrodes; and a metal band mounted on an outer periphery of the outer tube, a support plug having: a plug body having a hollow, inner cylindrical section therein that opens at a front end; an arc-tube support portion mounted on a front-end edge of the inner cylindrical section; and a flange, and a lead support wire extending outside the outer tube in the longitudinal direction and connecting one of the lead wires with the support plug, wherein a front-end face of the inner cylindrical section is substantially flush with a front-end face of the flange or positioned on a back-end side with respect to the front-end face of the flange. | 09-20-2012 |
20150062946 | VEHICULAR LAMP - A vehicular lamp includes a planar light emitting member having an organic EL light emitting portion at part of a substrate, and a reflecting member and a half mirror that are disposed so as to face each other so that light emitted from the organic EL light emitting portion is reflected repeatedly while allowing part of the light to be transmitted to the front. | 03-05-2015 |
20150345737 | LIGHT EMITTING DEVICE AND VEHICULAR LAMP - A light emitting device includes a planar light emitting body that includes a light emitting portion having a planar surface from which light is emitted, and a non-light emitting portion from which light is not emitted, the non-light emitting portion being adjacent to the light emitting portion; and a transparent member which is disposed to cover the planar light emitting body, and which has a recessed portion provided at a position facing the non-light emitting portion. | 12-03-2015 |
Patent application number | Description | Published |
20110187257 | DISCHARGE LAMP FOR VEHICLE - A discharge lamp for a vehicle has an external tube attached to a socket, a light emitting tube disposed in the external tube and formed of ceramic, the light emitting tube including a light emitting portion and a pair of narrow tube portions linked to the light emitting portion at opposite sides with the light emitting portion interposed therebetween, a cathode side electrode and an anode side electrode which are disposed in the light emitting tube, and two lead wires connected to the cathode side electrode and the anode side electrode respectively and having at least a part disposed in the external tube respectively. A length of the narrow tube portion on the cathode side being set to be smaller than that of the narrow tube portion on the anode side. The cathode side electrode being disposed on an opposite side to the socket with the anode side electrode interposed therebetween. | 08-04-2011 |
20110254439 | VEHICULAR DISCHARGE LAMP - A vehicular discharge lamp that emits light by a DC lighting system, the vehicular discharge lamp includes: an outer tube; a light emitting tube disposed in the outer tube and including a light emitting portion and fine tube portions connected to the light emitting portion; cathode-side and anode-side electrodes disposed in the light emitting tube; two lead wires connected to the electrodes; and a metal film or a metal oxide applied on an outer peripheral surface of the fine tube portion on an anode side of the light emitting tube, or the metal wire being wound on the outer peripheral surface. Inert gas having negative pressure is filled in a space outside the light emitting tube in the outer tube, and a negative high-voltage pulse is applied to the anode-side electrode at a time of start-up. | 10-20-2011 |
20150023046 | ORGANIC ELECTROLUMINESCENT PANEL AND VEHICLE LAMP - An organic electroluminescent panel is provided. The organic electroluminescent panel includes a substrate made of glass or transparent resin, a light emitting portion provided along a peripheral edge of the substrate, and a metal electrode. The light emitting portion comprises a cathode layer, a transparent conductive film having an extension portion, the extension portion extending toward an outer peripheral portion of the substrate and contacting the metal electrode, and an organic light emitting layer provided between the cathode layer and the transparent conductive film. The metal electrode is provided on the outer peripheral portion of the substrate to serve as an anode. | 01-22-2015 |
20150257235 | LIGHT EMISSION DEVICE AND LAMP UNIT - A light emission device includes an organic EL panel and a molding resin. In the organic EL panel, an organic EL light emission portion is formed on a substrate. The organic EL panel is flexible. The molding resin shapes the organic EL panel so that the organic EL panel is in a curved state. | 09-10-2015 |
20150274064 | VEHICLE LAMP - A vehicle lamp includes a lamp housing having an opening and a cover attached to the lamp housing and closing the opening to form a lamp chamber, and a lamp unit disposed in an interior of the lamp chamber and including a light source having a plurality of planar light emitting bodies. An outer peripheral portion of each of the planar light emitting bodies is a non-light emitting region, and a portion inside the non-light emitting region of each of the planar light emitting bodies is a light emitting region. At least a portion of the non-light emitting region is formed to be transparent. The transparent portion of the non-light emitting region of the planar light emitting bodies and an outer end portion of the light emitting region of other planar light emitting bodies are superimposed to each other in a thickness direction of the planar light emitting bodies. | 10-01-2015 |
Patent application number | Description | Published |
20120112563 | SEMICONDUCTOR DEVICE INCLUDING A PAIR OF SHIELD LINES - A semiconductor device includes a first circuit, a second circuit, a first wire, and a pair of shield lines. The first circuit includes a voltage generating circuit generating a predetermined voltage and produces the predetermined voltage at an output end thereof. The first wire connects the output end of the first circuit to an input end of the second circuit. The pair of shield lines is disposed so as to sandwich the first wire therebetween. One of the shield lines is supplied with a power supply potential for driving at least one of the voltage generating circuit and the second circuit. Another of the shield lines is supplied with a ground potential for driving at least one of the voltage generating circuit and the second circuit. | 05-10-2012 |
20130091327 | SEMICONDUCTOR DEVICE PERFORMING BURST ORDER CONTROL AND DATA BUS INVERSION - Disclosed herein is a device that a device including first data lines transmitting a plurality of sequential first data bits, respectively, second data lines transmitting a plurality of sequential second data bits, respectively, third data lines transmitting a plurality of sequential third data bits, respectively, a BOC circuit rearranging order of the plurality of first data bits supplied from the plurality of first data lines in accordance with address information, the BOC circuit supplying the resultant to the plurality of second data lines as the plurality of second data bits, and a DBI circuit performing inversion or non-inversion of the plurality of second data bits supplied from the plurality of second data lines independently of each other in accordance with a predetermined condition, the DBI circuit supplying the resultant to the plurality of third data lines as the plurality of third data bits. | 04-11-2013 |
20130094321 | SEMICONDUCTOR DEVICE HAVING LATENCY COUNTER TO CONTROL OUTPUT TIMING OF DATA AND DATA PROCESSING SYSTEM INCLUDING THE SAME - Disclosed herein is a device that includes a command decoder and a latency counter. The command decoder generates a first internal command in response to a first internal clock signal. The latency counter includes: a gate control signal generation unit generating output gate signals in response to a second internal clock signal; delay circuits each receiving an associated one of the output gate signals and generating an associated one of input gate signals; and a command signal latch unit fetching the first internal command in response to one of the input gate signals and outputting the first internal command in response to one of the output gate signals. Each of the delay circuit includes a first delay element that operates on a first power supply voltage and a second delay element that operates on a second power supply voltage different from the first power supply voltage. | 04-18-2013 |
20160034340 | APPARATUSES AND METHODS FOR FIXING A LOGIC LEVEL OF AN INTERNAL SIGNAL LINE - An apparatus includes a first external terminal, a first circuit, a signal line and a second circuit, The first external terminal receives at least one of data mask information and data bus inversion information. The first circuit performs one of an error check operation and as data bus invasion operation. The signal line is coupled between the first external terminal and the first circuit. The second circuit is coupled to the signal line and first a voltage level of the signal line at a substantially constant level responsive to a first control signal. | 02-04-2016 |