Abstract: An optical member driving mechanism is provided. The optical member driving mechanism includes a first portion and a matrix structure. The first portion is connected to a first optical member and corresponds to a first light. The matrix structure is disposed on the first portion and corresponds to a second light, wherein the first light is different from the second light. The matrix structure includes a regularly-arranged structure.

Abstract: An optical system affixed to an electronic apparatus is provided, including a first optical module, a second optical module, and a third optical module. The first optical module is configured to adjust the moving direction of a first light from a first moving direction to a second moving direction, wherein the first moving direction is not parallel to the second moving direction. The second optical module is configured to receive the first light moving in the second moving direction. The first light reaches the third optical module via the first optical module and the second optical module in sequence. The third optical module includes a first photoelectric converter configured to transform the first light into a first image signal.

Abstract: An optical element driving mechanism includes a movable assembly, a fixed assembly, and a driving assembly. The movable assembly is configured to be connected to an optical element. The movable assembly is movable relative to the fixed assembly. The driving assembly is configured to drive the movable assembly to move relative to the fixed assembly in a range of motion. The optical element driving mechanism further includes a positioning assembly configured to position the movable assembly at a predetermined position relative to the fixed assembly when the driving assembly is not operating.

Abstract: A color wheel module and a projector apparatus using the same are disclosed. The color wheel module has a driving device, a polarity of color filters and a switching device. The color filters are disposed on and driven by a rotary axle of the driving device. The switching device is disposed on the side of the driving device. The driving device is capable of rotating the rotary axle and driving the color filters of the color wheel module. While the projector apparatus is in a planar image mode, a lock rod of the switching device will lock the rotary axle of the driving device to stop the operation of the driving device. While the projector apparatus is in a stereoscopic mode, the lock rod will release the axle so that the driving device is turned to drive the color filters.

Abstract: A heat dissipation assembly for a projection apparatus is provided. The projection apparatus includes a light source, optical elements and a heat dissipation assembly. The heat dissipation assembly includes a case, a heat dissipation element, a fan and a temperature controlling unit. The optical elements transmit a light beam generated by the light source, and thereby generate heat. The heat dissipation assembly is adapted for heat dissipation correspondingly. In the heat dissipation assembly, the case protects the optical elements from being polluted by the dust during heat dissipation. The temperature controlling unit senses the surrounding temperature to control the fan for cooling the heat dissipation element, and the durability of the optical elements are thereby enhanced.

Abstract: The projection apparatus includes a light source, optical elements and a heat dissipation assembly. The heat dissipation assembly includes a case, a heat dissipation element, a fan and a temperature controlling unit. The optical elements transmit a light beam generated by the light source, and thereby generate heat. The heat dissipation assembly is adapted for heat dissipation correspondingly. In the heat dissipation assembly, the case protects the optical elements from being polluted by the dust during heat dissipation. The temperature controlling unit senses the surrounding temperature to control the fan for cooling the heat dissipation element, and the durability of the optical elements are thereby enhanced.

Abstract: A support stand made of sheet metal is cooperated with an optical module and a reflective module. The support stand includes a base and a back frame. The optical module is disposed on the base. To enhance its structural rigidity, the base substantially has a “” or inverted “U” shape as viewed from an optical axis. The back frame is connected with the base, and the reflective module is disposed on the back frame. An optical apparatus with the above support stand is also disclosed.

Abstract: An optical apparatus includes a support stand, an optical module, a reflective module, at least a first adjusting unit and at least a second adjusting unit. The support stand has a base and a back frame. The back frame is connected with the base and formed an inclination angle with the base. The optical module is disposed on the base. The reflective module is disposed on the back frame. The first adjusting unit is connected with the back frame and the base. The first adjusting unit moves the back frame so as to adjust the inclination angle. The second adjusting unit is disposed at the back frame and contacts against the reflective module. The second adjusting unit moves the reflective module so as to adjust a swinging angle of the reflective module.

Abstract: A color wheel module and a projector apparatus using the same are disclosed. The color wheel module has a driving device, a polarity of color filters and a switching device. The color filters are disposed on and driven by a rotary axle of the driving device. The switching device is disposed on the side of the driving device. The driving device is capable of rotating the rotary axle and driving the color filters of the color wheel module. While the projector apparatus is in a planar image mode, a lock rod of the switching device will lock the rotary axle of the driving device to stop the operation of the driving device. While the projector apparatus is in a stereoscopic mode, the lock rod will release the axle so that the driving device is turned to drive the color filters.

Abstract: An optical apparatus includes a support stand, an optical module, a reflective module, at least a first adjusting unit and at least a second adjusting unit. The support stand has a base and a back frame. The back frame is connected with the base and formed an inclination angle with the base. The optical module is disposed on the base. The reflective module is disposed on the back frame. The first adjusting unit is connected with the back frame and the base. The first adjusting unit moves the back frame so as to adjust the inclination angle. The second adjusting unit is disposed at the back frame and contacts against the reflective module. The second adjusting unit moves the reflective module so as to adjust a swinging angle of the reflective module.

Abstract: A support stand made of sheet metal is cooperated with an optical module and a reflective module. The support stand includes a base and a back frame. The optical module is disposed on the base. To enhance its structural rigidity, the base substantially has a “” or inverted “U” shape as viewed from an optical axis. The back frame is connected with the base, and the reflective module is disposed on the back frame. An optical apparatus with the above support stand is also disclosed.

Abstract: An optical assembly for an illumination system and a method for using the optical assembly are provided. The illumination system comprises a plurality of laser light sources. The optical assembly comprises a carrier and a lens. The lens is assembled to a partial periphery of a bore of the carrier. The lens is positioned in the optical path of one of the laser light source by using the carrier to move the lens so that the lens is disposed above the laser light source correspondingly.

Abstract: The present invention discloses a color wheel module for use in a projection apparatus. The color wheel module includes a color wheel, a supporting device, a fixing device and an actuator. The fixing device is disposed on the supporting device and partially connects with the actuator. A guide track is disposed on the supporting device, and the fixing device positions the color wheel on the guide track. While the actuator drives the fixing device, the color wheel moves along the guide track.

Abstract: A heat dissipation assembly for a projection apparatus is provided. The projection apparatus includes a light source, optical elements and a heat dissipation assembly. The heat dissipation assembly includes a case, a heat dissipation element, a fan and a temperature controlling unit. The optical elements transmit a light beam generated by the light source, and thereby generate heat. The heat dissipation assembly is adapted for heat dissipation correspondingly. In the heat dissipation assembly, the case protects the optical elements from being polluted by the dust during heat dissipation. The temperature controlling unit senses the surrounding temperature to control the fan for cooling the heat dissipation element, and the durability of the optical elements are thereby enhanced.

Abstract: A display device includes a processor, a memory, an interface and a keypad. The keypad, separably connected to the interface, includes a signal generator. When the display device is connected to a power source, the processor sends a first signal to the interface. The signal generator generates a second signal in response to the first signal. The processor determines whether the second signal is correct based on data stored in the memory. If yes, the display device may be activated. A method for activating the display device via the separable keypad comprises the steps of: connecting the display device to the power source; the display device sending the first signal to the interface; determining whether the second signal is correct; and if yes, activating the display device.

Abstract: A projection device comprises a color wheel module, wherein, the color wheel can be detached from the color wheel module. The color wheel module can be detached from the body of the projection device, so that users can conveniently change, clean or maintain the color wheel as desired.

Abstract: A projection device comprises a color wheel module, wherein, the color wheel can be detached from the color wheel module. The color wheel module can be detached from the body of the projection device, so that users can conveniently change, clean or maintain the color wheel as desired.

Abstract: An optical engine for use in a projection apparatus is disclosed, wherein the optical engine carries an illumination system and an imaging system for co-defining an optical axis, while a light beam emitted from the illumination system is transmitted to the imaging system along the optical axis. The optical engine comprises a chassis, a housing, a light tunnel apparatus and a holding edge. The dimensions of the receiving space defined by the holding edge and the housing are substantially constant and identical to the dimensions of the light tunnel apparatus comprised of a light tunnel and a bracket apparatus. The receiving space comprises a symmetry centerline coinciding with the optical axis to prevent the light beam from deviating away from the optical axis. To accommodate different resolutions, the differently sized light tunnels may fit into the receiving space, provided that the bracket apparatus comes in a size that can maintain constant dimensions after assembly with the light tunnel.

Abstract: A display device includes a processor, a memory, an interface and a keypad. The keypad, separably connected to the interface, includes a signal generator. When the display device is connected to a power source, the processor sends a first signal to the interface. The signal generator generates a second signal in response to the first signal. The processor determines whether the second signal is correct based on data stored in the memory. If yes, the display device may be activated. A method for activating the display device via the separable keypad comprises the steps of: connecting the display device to the power source; the display device sending the first signal to the interface; determining whether the second signal is correct; and if yes, activating the display device.

Abstract: A projection device comprises a color wheel module, wherein, the color wheel can be detached from the color wheel module. The color wheel module can be detached from the body of the projection device, so that users can conveniently change, clean or maintain the color wheel as desired.