Patent application number | Description | Published |
20090195757 | PROJECTOR WITH ZONE COOLING CONFIGURATION AND METHOD FOR COOLING A PROJECTOR USING ZONE COOLING CONFIGURATION - A projector includes a light source, a color wheel, and a Digital Mirror Device. The color wheel is configured for providing rapid color changes in light emitted from the light source. The Digital Mirror Device is configured for forming an optical image according to image information by using light emitted from the light source. The projector includes a first airflow channel and a second airflow channel. The first airflow channel is configured for cooling the light source and the color wheel. The second airflow channel is configured for cooling the Digital Mirror Device. The first airflow channel and the second airflow channel are independent to each other. A method for cooling a projector using zone cooling is also provided. | 08-06-2009 |
20100033690 | 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. One of the sidewalls a number of first vents, the other three sidewalls define a number of second vents. The projection lens is located at an intersecting corner of the sidewalls. The receiving member includes a first receiving portion and a second receiving portion. The optical engine is received in the second receiving portion. The light source module is received in the first receiving portion. The heat sink is located at an intersecting corner of the sidewalls. The fan is located at an intersecting corner of the sidewalls. | 02-11-2010 |
20100039623 | HEAT-DISSIPATING STRUCTURE OF HOUSING AND PROJECTION DEVICE HAVING SAME - A heat-dissipating structure of a housing is disclosed. The housing defines an opening that is embedded with the heat-dissipating structure. The heat-dissipating structure includes a number of metal slats, a number of connection members, and a supporting frame. The metal slats are spaced and angled to form air channels and fixed to each other via the connection members. The combination of the metal slats and connection members are supported by the supporting frame. | 02-18-2010 |
20100045941 | 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 aligned with the hole defined by the front wall, a DMD, and an illuminator module. The illuminator module is arranged at a side of the lens module away from the second sidewall, and includes a housing having a side surface away from the lens module and at least one light source installed on the side surface. The heat dissipating module includes a first heat sink attached to the at least one light source, a blower, and an exhaust fan. The blower is for blowing air towards the first heat sink from an air inlet. | 02-25-2010 |
20100053896 | HEAT DISSIPATION SYSTEM AND ELECTRONIC DEVICE UTILIZING THE SAME - An electronic device includes a heat dissipation system and an operating system. The heat dissipation system includes a housing, a first heat dissipation module received in the housing, heat pipes extending from the first heat dissipation module through the housing. The operating system includes a dust-proof housing, a heat source and a heat dissipation device. The heat source is received in the dust-proof housing and generates heat. The cooling module is adhered to an outer surface of the dust-proof housing to be cooled and attaches the heat pipes to the first heat dissipation module. The outer surface of the dust-proof housing is adjacent to the housing. The heat pipes transfer heat from the operating system into the first heat dissipation module. | 03-04-2010 |
20100097025 | HEAT-DISSIPATING DEVICE AND METHOD FOR CONTROLLING FAN SPEED - A method for controlling fan speed is disclosed. Firstly, a number of temperature ranges are defined. Each temperature range is associated with a corresponding fan speed. Each two adjacent temperature ranges overlap. The temperature of an electronic system is measured and is compared with the defined temperature ranges to determine whether it enters into a new range. If the measured temperature exceeds any one of the limits of a temperature range associated with the current fan speed, it enters into a new temperature range. The fan speed is adjusted to which is associated with the new entered temperature range. The overlap of each two adjacent temperature ranges covers the fluctuation of the temperature of the electronic system caused solely by the adjustment of fan speed caused by the traversing of the measured temperature between the two adjacent temperature ranges. | 04-22-2010 |
20100097579 | LENS MODULE HAVING THERMAL DISSIPATION STRUCTURE AND PROJECTOR USING SAME - A lens module includes a seat, a lens holder and a thermal dissipation structure. The seat includes a base plate and two sidewalls perpendicularly formed on a surface of the base plate. The lens holder is mounted on the seat between the two sidewalls. The thermal dissipation structure is mounted on the seat and thermally conducts with the lens holder for cooling the lens holder. | 04-22-2010 |
20100110393 | PROJECTOR - A projector includes a first exhaust fan, a second exhaust fan, a casing, an optical engine, a circuitry system, and a projection lens module. The casing includes a front wall, a rear wall opposite to the front wall, a first sidewall, and a second sidewall opposite to the first sidewall. The first sidewall defines a first air inlet adjacent to the front wall and a second air inlet adjacent to the rear wall. The second sidewall defines a first and second air outlet aligned with the first and second air inlet respectively. The first and second exhaust fans are arranged corresponding to the first and second air outlet respectively. The projection lens module and the circuitry system are positioned in the casing between the first air inlet and the first air outlet. The optical engine is positioned in the casing between the second air inlet and the second air outlet. | 05-06-2010 |
20100118280 | LIGHT-SOURCE MODULE AND PROJECTOR HAVING SAME - A light-source module includes a red light source, a blue light source, a green light source, a first heat sink, and a second heat sink. The first heat sink is attached to the green light source for dissipating heat generated from the green light source. The second heat sink is attached to the red light source and the blue light source for dissipating heat generated from the red light source and the blue light source. The first heat sink is separated from the second heat sink. | 05-13-2010 |
20100290011 | LIGHT SOURCE MODULE AND PROJECTOR HAVING SAME - A light source module includes a first light source, a second light source, a third light source, and a first heat sink. The first heat sink includes a first base and a number of first fins. A bottom surface of the first base is attached to the first light source and the second light source. The first fins perpendicularly extend from a top surface of the first base away from the first light source and the second light source. Each first fin includes a first fin portion adjacent to the first light source and a second fin portion adjacent to the second light source, and defines a first slot for increasing the thermal resistance between the first fin portion and the second fin portion. | 11-18-2010 |
20110019161 | 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 LED, and a blue LED positioned between both of them. The first fins are mounted on the light source adjacent to the blue LED. The fan assembly includes a fan having a fan shell with an inlet and an outlet, and a second fins connected to the light source to aligned with the red LED. The heat dissipation module includes a third fins mounted on the light source to align to the green LED, a fourth fins mounted on the fan shell to align to the outlet of the fan, and a heat pipe interconnecting the third and fourth fins. | 01-27-2011 |