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| Number | Title | Issue Date |
| 8425046 | Cooling device for a projection apparatus and said projection apparatus A cooling device applied in a projection apparatus and the projection apparatus are provided. The projection apparatus comprises a first light source, a second light source, a third light source and the cooling device. The cooling device comprises an airflow guiding... | 04/23/2013 |
| 8408714 | Light source device and projector A light source device includes: an arc tube having a light emission portion; a first reflection mirror having a substantially concave surface for reflecting light emitted from the light emission portion; and a container which accommodates the arc tube and the first ... | 04/02/2013 |
| 8408716 | Image projection apparatus The image projection apparatus includes an exhaust air outlet through which an exhaust air flows out from an inside of the apparatus to an outside thereof, an air inlet through which an external air flows in from the outside of the apparatus to the inside thereof, a... | 04/02/2013 |
| 8408715 | Projector with single fan A projector with single fan including a casing, a heat source, a light source module and an axial-flow fan are provided. The casing has an air outlet and a first air inlet. The heat source, the light source module and the axial-flow fan are disposed in the casing. T... | 04/02/2013 |
| 8403499 | Light source lamp cooling apparatus and projection display apparatus including detecting gas pressure to control light source A light source lamp cooling apparatus according to the present invention includes: diaphragm air compressor (31); an ejector which ejects cooling air directly onto a portion to be cooled of a light source lamp in lamp unit (10); pressure detector (4... | 03/26/2013 |
| 8393739 | Heat-dissipating device with shape memory alloy module within a projection display apparatus A heat-dissipating device used in a projection display apparatus with an air outlet includes a fence module, at least one resilient member, and a shape memory alloy module. The fence module is disposed at the air outlet and includes at least one guiding plate with a... | 03/12/2013 |
| 8371700 | Heat dissipation module and projection apparatus using the same A heat dissipation module includes a heat-absorbing unit, a first heat pipe, a second heat pipe, and a heat-dissipating unit. The heat-absorbing unit is adapted to contact the heat source thermally. The first heat pipe has a first heat-absorbing section being connec... | 02/12/2013 |
| 8366276 | Filter device with control for filter winding and projection type display apparatus A filter device includes: a filter unit including a housing in which a roll filter stretched between a feeding shaft and a take-up shaft is housed, the housing including, between the two shafts, an opening for exposing a part of the filter; a filter installation det... | 02/05/2013 |
| 8328364 | Projection display apparatus comprising a louver with inclined and non-inclined portions A projection display apparatus includes an axial fan and a louver. The axial fan includes blades which are rotated to generate an airflow in an axial direction so that air is exhausted from a housing. The louver includes inclined plate portions which are inclined wi... | 12/11/2012 |
| 8317337 | Projector A projector configured to modulate a luminous flux emitted from a light source in accordance with image information, forms an image light, and projects the image light, includes: an exterior housing having an intake vent for taking in the ambient air, and an inserti... | 11/27/2012 |
| 8317336 | Cooling and air flow exhaust for image projection apparatus An image projection apparatus is disclosed which is capable of reducing noise when airflows from plural flow paths are taken in into a fan and exhausted therefrom. The apparatus comprises a first flow path through which a first airflow for cooling a light source pas... | 11/27/2012 |
| 8287135 | Light source device and projector with improved airflow A light source device, includes: an arc tube which has a light emission portion containing a pair of electrodes disposed along an illumination axis, and a pair of sealing portions extending from both sides of the light emission portion; a reflector which has a refle... | 10/16/2012 |
| 8287134 | Installation structure of sensor and projector apparatus having the same An airflow rate sensor is provided with a through hole, and a detection unit is disposed inside the through hole. The airflow rate is calculated based on the output voltage resulting from the temperature difference and the like caused in the detection unit by the ai... | 10/16/2012 |
| 8246171 | Cooling device and projector using the same A cooling device for projector includes a shell, a circuit board, a light machine, a first fins, a fan assembly and a heat dissipation module. The light machine is mounted on the circuit board, and includes a light source having a red LED, a green LED facing the red... | 08/21/2012 |
| 8182096 | Cooling system for display device Systems and methods for a cooling system of a display device are provided herein. One exemplary image display device includes a light source and an image-generation device for receiving light from the light source and generating an image. The image display device al... | 05/22/2012 |
| 8172406 | Powder dust capture device and projection type image display device A powder dust capture device includes a main body housing having an air intake in which a powder dust capture unit is provided, and a blowing unit for drawing air in from the air intake via the powder dust capture unit, passing the air through a predetermined area, ... | 05/08/2012 |
| 8132924 | Light source device and projector A light source device includes: a light emitting tube; a reflecting mirror; and a tubular member disposed on a forward side of light emission of the reflecting mirror, and surrounding the light emitting tube, the tubular member has a pair of air circulating units co... | 03/13/2012 |
| 8087788 | Projector with cooling configuration A projector includes a casing, an optical engine, and a heat dissipating module. The casing includes a first sidewall, a front wall defining a hole, a second sidewall, and a rear wall connected in sequence. The optical engine includes a lens module substantially ali... | 01/03/2012 |
| 8061851 | Lamp cooling apparatus for enabling adjustments of setting positions and projection display apparatus having such lamp cooling apparatus A lamp cooling apparatus for cooling a lamp may include a lamp outlet duct connected to the lamp, a lamp inlet duct connected to the lamp, a first joint segment provided at the front end of the lamp outlet duct, a second joint segment provided at the front end of th... | 11/22/2011 |
| 8061852 | Image projection apparatus The image projection apparatus includes an exhaust air outlet through which an exhaust air flows out from an inside of the apparatus to an outside thereof, an air inlet through which an external air flows in from the outside of the apparatus to the inside thereof, a... | 11/22/2011 |
| RE42740 | Projector A projector for separating white light into three primary colors, forming images with liquid crystal light valves, mixing these images, and projecting an enlarged picture of the mixed images with a projection lens. The projector includes an optical unit having a lig... | 09/27/2011 |
| 8016431 | Image projection apparatus having configuration for dustproffing and efficient cooling An image projection apparatus that illuminates an image forming element arranged downstream of the image forming element and configured to form an original image by using light form a light source, and projects light from the image forming element onto a projected s... | 09/13/2011 |
| 8007114 | Small-sized projector with high heat dissipating efficiency A projector includes a housing, a projection lens, a receiving member, an optical engine, a light source module, a heat sink, and a fan. The housing includes a bottom wall and four sidewalls, the bottom wall and the four sidewalls together define a receiving space. ... | 08/30/2011 |
| 7993010 | Light source compartment storing light source unit and projector including the same light source compartment A protector is provided which can prevent the leakage of light from a light source lamp to the outside of the projector and which can discharge air that has cooled a light source unit to the outside of the projector with a small ventilation resistance. A light sourc... | 08/09/2011 |
| 7988303 | Image projection apparatus and image display system The image projection apparatus includes a heat generating member disposed inside the apparatus, an exhaust fan exhausting an air that has cooled the heat generating member to the outside of the apparatus, and a duct guiding the air from the heat generating member to... | 08/02/2011 |
| 7963659 | Projector A direction control plate is fitted near an exhaust aperture of a lamp unit, and a partition plate is fitted so as to surround the front and the bottom of the exhaust aperture. The direction control plate is fitted so as to surround three sides of the periphery of t... | 06/21/2011 |
| 7938544 | Projector and heat dissipating device thereof A projector includes a housing, an optical engine module, a light source, a system fan and a lamp cooling fan. The housing includes a air vent and an intake. The optical engine module is disposed in the housing. The light source is disposed on one end of the optical... | 05/10/2011 |
| 7934839 | Image projection apparatus The image projection apparatus includes a light source lamp including a discharge light emitting tube and a reflector, the discharge light emitting tube including a light emitting portion disposed inside of the reflector and an electrode portion disposed outside of ... | 05/03/2011 |
| 7926954 | Light shield used in projector A projector includes a casing, a light source, and a heat dissipation device. The light source and the heat dissipation device are installed inside the casing. Two openings are formed at two sides of the casing opposing to the light source. A light shield is positio... | 04/19/2011 |
| 7926953 | Projector with sealed structure having air circulation path A projector includes: an optical component; a sealed structure that includes an optical component casing accommodating the optical component inside, a cooling device, a plurality of duct members including a flow-path-upstream-side duct member that guides the air fro... | 04/19/2011 |
| 7901085 | Projection apparatus and lamp module A projection apparatus including a casing, a lamp module, an imaging system and an optical engine is provided. The lamp module is disposed in the casing and includes a frame, a first fan, a plurality of light sources and a wind guiding device. The first fan is dispo... | 03/08/2011 |
| 7896503 | Image projecting apparatus An image projecting apparatus includes a main body casing comprising an inlet provided to a lower part thereof, and an outlet spaced from the inlet. A heat generating part generates heat in an inner part of the main body casing. A cooling duct coupled to the main bo... | 03/01/2011 |
| 7896502 | Projection apparatus provided with a heat sink A projection apparatus includes an outer casing, a light source disposed within the casing for generating light beams, and an optical engine connected to the light source for receiving the light beams in order to project an image. A heat sink includes an air tunnel ... | 03/01/2011 |
| 7837335 | Projector A projector includes a lamp, a fan for dissipating heat generated by the lamp, a housing, a number of blades received in the housing, and a elongated-slider. The housing receives the lamp and the fan, and includes a top cover, a sidewall connected to the top cover, ... | 11/23/2010 |
| 7832872 | Projector The invention discloses a projector including a light-source device, a guiding passage, and a fan. The light-source device includes a light-source lamp for emitting light. The guiding passage has an outlet and an inlet. There is a block disposed in the vicinity of t... | 11/16/2010 |
| 7766484 | Structure for cooling a lamp for a projection display apparatus having an integrated exhaust duct A structure for cooling a lamp used for a projection type display apparatus is provided. The structure comprises a lamp house for housing a lamp that is operable as a light source, said lamp house being configured to be installed in a housing of said projection disp... | 08/03/2010 |
| 7753533 | Display apparatus In conjunction with attachment or detachment of a dust filter, a lid disposed to an inlet of a duct operates to close the inlet. ... | 07/13/2010 |
| 7726817 | Projector with lamp unit having a U-shaped insertion frame This projector includes a lamp unit and a lamp unit housing unit. The lamp unit housing unit includes a substantially U-shaped insertion frame. And the lamp unit includes a lamp and a frame. Furthermore, the lamp unit includes an edge and a plate on the outside of t... | 06/01/2010 |
| 7628492 | Projection display with direct light source cooling means A projection display capable of preventing a reflector from damage and cooling a lamp at high efficiency. The projection display includes a light source which has a lamp and metallic reflector. The metallic reflector has an opening disposed above the light-emitting ... | 12/08/2009 |
| 7621645 | Projector device A liquid crystal projector device of the present invention includes a lamp unit having a lamp and a reflector, and a cooling fan for cooling the lamp unit. The reflector includes a reflecting portion having a parabolic reflecting surface, and a plurality of side wal... | 11/24/2009 |
