| Patent application number | Description | Published |
|---|
| 20080232419 | Laser array chip, laser module, manufacturing method for manufacturing laser module, manufacturing method for manufacturing laser light source, laser light source, illumination device, monitor, and projector - A laser array chip includes: a plurality of emission sections emitting laser lights; and a weak section formed in a portion in the thickness direction of at least a portion of the areas between the emission sections, whose strength is weaker than the strength of areas in which the emission sections are formed. | 09-25-2008 |
| 20080253418 | Light source device, monitor device, projector, and driving method for driving light source device - A light source device includes: a plurality of laser light sources that emit laser light; and a light source driving section that drives at least one of the laser light sources by a first driving value that is a value less than a threshold level of at least one of the laser light sources, or by a second driving value that is a value greater than a threshold level of at least one of the laser light sources, and that varies at least one of the number of laser light sources that are driven by the first driving value and the number of laser light sources that are driven by the second driving value in the laser light sources, thereby controlling the total output of laser light emitted from the laser light sources. | 10-16-2008 |
| 20090141761 | LIGHT SOURCE DEVICE, LIGHTING DEVICE, MONITORING DEVICE, AND IMAGE DISPLAY APPARATUS - A light source device includes a plurality of first laser emission units and a plurality of second laser emission units for emitting light. The plurality of first laser emission units and the plurality of second laser emission units are disposed on a flat surface. The first laser emission units and the second laser emission units are composed so that a drive for light emission is sequentially switched. Each of the second laser emission units is disposed between the adjoining first laser emission units. | 06-04-2009 |
| 20090174929 | LIGHT SOURCE DEVICE, LIGHTING DEVICE, AND IMAGE DISPLAY APPARATUS - A light source device includes: a light source unit configured to emit light; a wavelength conversion element configured to convert the wavelength of light emitted from the light source unit; a light source housing configured to accommodate at least the light source unit and the wavelength conversion element; and a temperature control unit configured to control temperature of the wavelength conversion element. The temperature control unit is disposed outside the light source housing. | 07-09-2009 |
| 20090207618 | LIGHT SOURCE APPARATUS, IMAGE DISPLAY APPARATUS, AND MONITOR APPARATUS - A light source apparatus includes: a light emitting element including a plurality of light emitting modules; a resonator; a transmitting-reflecting module which, being provided in an optical path between the light emitting element and the resonator, reflects one portion of light traveling from the resonator, and transmits another one portion; a current supply module; and at least one wiring module which connects the current supply module and the light emitting element, wherein a normal of a surface of the transmitting-reflecting module on which the light from the resonator falls incident is tilted in a specific direction relative to a main beam of a light flux which travels between the transmitting-reflecting module and the resonator, and at least one of the wiring modules is provided on a side of the light emitting modules opposite to a side of the specific direction. | 08-20-2009 |
| 20100002735 | LASER SOURCE DEVICE, WAVELENGTH CONVERSION ELEMENT, METHOD OF MANUFACTURING WAVELENGTH CONVERSION ELEMENT, PROJECTOR, AND MONITORING DEVICE - A laser source device includes: a light emission unit which emits laser beam having first wavelength; a first mirror which selectively reflects S-polarized light contained in the first wavelength laser beam emitted from the light emission unit in a direction different from the direction toward the light emission unit and transmits second wavelength laser beam; a second mirror which receives laser beam reflected by the first mirror and reflects laser beam having first wavelength and contained in the received laser beam toward the first mirror; and a wavelength conversion element disposed between the first mirror and the second mirror and converts at least a part of S-polarized light contained in the received first wavelength laser beam into laser beam having second wavelength. | 01-07-2010 |
| 20100026964 | SPATIAL LIGHT MODULATION DEVICE, PROJECTOR, AND COOLING METHOD FOR SPATIAL LIGHT MODULATION DEVICE - A spatial light modulation device includes: a light modulation unit which modulates light according to an image signal; and a first electrode and a second electrode provided on a surface of one of an optical element disposed either on the entrance side of the light modulation unit or the exit side of the light modulation unit and the light modulation unit. Voltage is applied to the first electrodes and the second electrodes. | 02-04-2010 |
| 20100040093 | LASER BEAM SOURCE DEVICE, LIGHTING DEVICE, IMAGE DISPLAY APPARATUS, AND MONITORING APPARATUS - A laser beam source device includes: a light source which emits light having fundamental wavelength; a wavelength conversion element which converts the light having fundamental wavelength into light having conversion wavelength; a resonance element which transmits first light converted into the conversion wavelength light and reflects light not converted; an optical path conversion element which releases second light contained in the light reflected by the resonance element and converted into the conversion wavelength light in the same direction as the direction of the first light, and releases the light not converted toward the light source; and a supporting member. The resonance element is disposed in such a position that one end surface of the resonance element on the second light side is shifted to the supporting member from one end surface of the wavelength conversion element on the second light side. | 02-18-2010 |
| 20100054293 | Laser light source device and manufacturing method for manufacturing laser light source device - A manufacturing method for manufacturing a laser light source device, includes: providing a first laser element having a first emitter, a second laser element having a second emitter, and a reflection member; adjusting a relative angle between the first laser element and the reflection member; adjusting a relative angle of the second laser element relative to the first laser element by using the reflection member; and adjusting a relative rotation angle between the first laser element and the second laser element and a relative position between the first laser element and the second laser element, so that the light emitted from the first emitter is incident into the second emitter and so that the light emitted from the second emitter is incident into the first emitter. | 03-04-2010 |
| 20100207503 | LIGHT SOURCE DEVICE, PROJECTOR, AND METHOD FOR MANUFACTURING LIGHT SOURCE DEVICE - A light source device includes: an arc tube having a light emitting portion that emits light; a sub-reflection mirror that covers a part of the periphery of the light emitting portion and reflects the light emitted from the light emitting portion; a main reflection mirror that reflects the light emitted from the light emitting portion and the light reflected by the sub-reflection mirror; and a base that is formed separately from the main reflection mirror and to which the main reflection mirror is secured, wherein an arc tube securing portion for positioning and securing the arc tube is formed in the base. | 08-19-2010 |
| 20100259732 | LIGHT SOURCE DEVICE AND PROJECTOR - A light source device includes a light emitting tube having a light emitting section that emits light, a first sealing section on one side of the light emitting section formed integrally with the light emitting section, and a second sealing section on the other side of the light emitting section formed integrally with the light emitting section. A secondary reflecting mirror having a secondary reflecting surface covers part of a periphery of the light emitting section and reflects light emitted from the light emitting section. A primary reflecting mirror having a primary reflecting surface reflects the light emitted from the light emitting section and the light reflected by the secondary reflecting mirror. The secondary reflecting mirror has a first reference plane defined by a first boundary line as a boundary between the light emitting section and the first sealing section, which does not intersect with the secondary reflecting surface | 10-14-2010 |
| 20100321645 | LIGHT SOURCE UNIT AND PROJECTOR - A light source unit includes: an arc tube having a light-emitting portion; a secondary reflector covering part of the periphery of the light-emitting portion and being provided with a secondary reflecting surface for reflecting light emitted from the light-emitting portion; a primary reflector having a primary reflecting surface for reflecting the light emitted from the light-emitting portion and the light reflected from the secondary reflector; a first electrode; and a second electrode; wherein the second electrode is arranged at a position which causes an ionic wind to be induced by applying a voltage between the second electrode and the first electrode and causes air between the secondary reflecting surface and the light-emitting portion to flow, and either one of the first electrode or the second electrode is arranged between the arc tube and the secondary reflector. | 12-23-2010 |
| 20100328621 | OPTICAL DEVICE AND PROJECTOR - An optical device includes: a light modulation unit configured to modulate a light according to image information, including an element substrate having a pixel electrode and a switching element connected with the pixel electrode, and an opposed substrate disposed opposed to the element substrate; a frame configured to hold the light modulation unit; and an incident side dustproof glass disposed in close contact with a light incident side end surface of the opposed substrate, the incident side dustproof glass having the plane size larger than the plane size of the opposed substrate is disposed on the light incident side of the frame. | 12-30-2010 |
| 20110019159 | PROJECTOR - A projector includes: an optical system includes a light source, a light modulation element for modulating light emitted from the light source to form an optical image, and a projection lens for projecting the optical image, the optical system is structured such that an illumination optical axis of the light source and a projection optical axis of the projection lens cross each other substantially at right angles in the plan view; and a cooling fan configured to the light modulation element, and has a rotation axis crossing each other substantially at right angles with a discharge direction where a cooling air is discharged, the cooling fan is disposed in the vicinity of the projection lens and on the side where the light source is provided such that the rotation axis extends in the thickness direction of the projector. | 01-27-2011 |
| 20110019704 | LASER BEAM SOURCE DEVICE, LIGHTING DEVICE, IMAGE DISPLAY APPARATUS, AND MONITORING APPARATUS - A laser beam source device includes: a light source which emits light having fundamental wavelength; a wavelength conversion element which converts the light having fundamental wavelength into light having conversion wavelength; a resonance element which transmits first light converted into the conversion wavelength light and reflects light not converted; an optical path conversion element which releases second light contained in the light reflected by the resonance element and converted into the conversion wavelength light in the same direction as the direction of the first light, and releases the light not converted toward the light source; and a supporting member. The resonance element is disposed in such a position that one end surface of the resonance element on the second light side is shifted to the supporting member from one end surface of the wavelength conversion element on the second light side. | 01-27-2011 |
| 20110025984 | PROJECTOR - A projector includes: spatial light modulation devices; and a cooling duct configured to flow a cooling air for sequentially cooling the spatial light modulation devices, the cooling duct has a first flow path formed by portions including the light entrance surface of at least one of the spatial light modulation devices for the respective color lights, a second flow path formed by portions including the light exit surface of the corresponding spatial light modulation device, and a junction area where the cooling air flowing through the first flow path and the cooling air flowing through the second flow path join each other, and the junction area is disposed at a downstream position of the cooling air with respect to the spatial light modulation device provided for a predetermined color light whose light amount is the maximum in the respective color lights that enter the light entrance surface. | 02-03-2011 |
| 20110032486 | PROJECTOR AND METHOD FOR MANUFACTURING PROJECTOR - A projector includes: a spatial light modulator provided for each color light flux and configured to modulate the light flux in accordance with an image signal; a light combining system configured to combine the color light flux outputted from the spatial light modulator; a projection system configured to project the light combined by the light combining system; a fixing member configured to integrally fix the spatial light modulator, the light combining system, and the projection system; a base on which the spatial light modulators and the light combining system fixed to the fixing member are mounted; and a cover member configured to cover the spatial light modulator and the light combining system mounted on the base, wherein the base and the cover member form a cooling duct through which cooling air for sequentially cooling the spatial light modulator for the respective color light flux flows. | 02-10-2011 |
