Abstract: An image generation apparatus includes a first reflective optical element that reflects at least part of the light outputted from a light source apparatus and a second reflective optical element disposed in the optical path of the light reflected off the first reflective optical element. A projection optical apparatus has an entrance optical path located in the light exiting optical axis of the image generation apparatus, a deflection member that deflects light having traveled along the entrance optical path, and a passage optical path along which the light deflected by the deflection member travels. The light exiting optical axis of the light source apparatus is parallel to the light incident optical axis of the projection optical apparatus, and the extension of the light exiting optical axis of the light source apparatus intersects with the passage optical path.

Abstract: The present disclosure provides a projection apparatus. The projection apparatus includes: a projection body, a rotation platform, wherein the projection body is rotatably connected to the rotation platform; a first drive device, arranged on the projection apparatus and configured to drive the projection body to rotate relative to the rotation platform; a base, wherein the rotation platform is rotatably connected to the base; a second drive device, arranged on the base and configured to drive the rotation platform to rotate relative to the base; and a controller, arranged on the projection apparatus and configured to control the first drive device and the second drive device.

Abstract: A keyboard includes a frame board, a base board secured to the frame board, a membrane circuit board in a space defined by the frame and base boards, a support board on the membrane circuit board, a switch board on the support board, keys on the switch board, a lithium battery on the base board, a control circuit board on the lithium battery, a projection device in the space defined by the frame and base boards, an outer screen on the right side of the frame board, an inner screen on the control circuit board, lights on the frame board, vent-holes on the frame board, first function keys and a second function key on the frame board, a recess on the right side of the base board with the lithium battery therein, a projection device below the vent-holes, and a projection hole aligned with the projection device.

Abstract: A light source device according to an aspect of the present disclosure includes a light source unit, a wavelength conversion unit including a wavelength conversion wheel, and a wheel housing configured to expose a part of the wavelength conversion wheel and house the wavelength conversion wheel, and an optical unit including a condensing optical system, a pickup optical system, and an optical housing. The light source unit and the optical unit are fixed in a sealed state. In the optical unit and the wavelength conversion unit, a part of the wavelength conversion wheel exposed via a first opening section of the wheel housing is disposed on an optical path between the condensing optical system and the pickup optical system. The second opening section of the optical housing and the first opening section of the wheel housing are fixed in a sealed state.

Abstract: A projector includes: an exterior case having plurality of penetration holes; first base member fixed inside the exterior case and made of metal or crystalline resin; illumination unit fixed to first base member; image forming unit fixed to first base member; optical projection unit coupled to image forming unit; and second base member fixed inside exterior case and coupled to first base member, and having lower rigidity than first base member. First base member has plurality of first fixing parts which are arranged corresponding to position of part of plurality of penetration holes in exterior case and to which suspension fitting is fixed. Second base member has second fixing part which is arranged corresponding to position of penetration hole other than penetration holes having plurality of first fixing parts arranged therein, of plurality of penetration holes in exterior case, and to which suspension fitting is fixed.

Abstract: An object of the present invention is to provide a projection apparatus capable of appropriately performing control relating to rotation of the projection lens. A projection apparatus according to a first aspect of the present invention includes a housing; a power supply; and a projection lens attached to the housing, the projection lens having a holder and a locking mechanism unit that brings rotation of the holder into a locked state or an unlocked state. Rotation of the holder is in the locked state when the power supply has been turned on. With the first aspect, since the power is turned on in a state in which the projection lens is not rotatable, the locked state can be safely unlocked by user's intention and the holder can be rotated.

Abstract: Embodiments of the disclosure provide a projector including a housing, a light source module, a light engine module, a projection lens module, and a thermal module. An airflow is formed in the housing. The thermal module is disposed in the housing and includes a base and a plurality of fins. The housing has a space for accommodating the thermal module, and a dimension of the space is L. An average velocity of the airflow before entering the plurality of fins is V, and a pitch between adjacent fins of the plurality of fins is P, and a reference value Y=[2.9*(V+1)*(P?2.3)?2+2.4*(V?3.308)?2+15.82], and when L is greater than or equal to Y, the thermal module is a three-dimensional vapor chamber thermal module or a tower thermal module.

Abstract: A projector includes a projection section, a first connector to which an image outputting apparatus that outputs first image information is connectable, an activation instructor that instructs activation of the image outputting apparatus, a detector that detects that the activation of the image outputting apparatus has been completed, an image storage that stores second image information, and a display controller that causes the projection section to display a second image corresponding to the second image information when the detector does not detect that the activation of the image outputting apparatus has been completed and causes the projection section to display a first image corresponding to the first image information when the detector detects that the activation of the image outputting apparatus has been completed.

Abstract: The disclosure provides a projection system and a projection operation method. The projection operation method causes the projection device disposed inside the biologically-modeled housing to project the facial image onto the face projection area of the biologically-modeled housing. The face projection area is light-transmissive and curved. The controller identifies the voice signal received by the sound-receiving device. When the controller obtains the identification result, if the projection data stored in the storage device includes the target projection data corresponding to the identification result, the controller controls the projection device to project the facial image according to the target projection data, or, if the projection data stored in the storage device does not include the target projection data, the controller controls the communication device to receive the target projection data from the external device and stores it in the storage device.

Abstract: This projection-type display device has: an operation signal detection unit that receives operation signals that indicate adjustment content of a projected image, the adjustment content having been instructed by way of an operation unit; an installation state detection unit that detects, as the installation state of the projection-type display device, a first state and a second state realized by rotating 90 degrees around an axis parallel to the optical axis of the projection lens; and a control unit that, upon detecting a signal that corresponds to the first direction by way of the operation signal detection unit in the first state and the second state, adjusts a projected image by shifting the projected image in the first direction or by moving a correction-object site in the projected image in the first direction.

Abstract: An electronic device with multiple modes of attachment is disclosed herein. In one or more embodiments, the electronic device includes a device assembly having a housing; a clip member coupled to the housing; a first magneto coupler disposed on the housing; and a removable member having a second magneto coupler. The second magneto coupler of the removable member is capable of being magnetically coupled to the first magneto coupler on the housing, so the magnetic coupling allows the housing to be attached to a non-edge portion of a non-metallic and/or non-magnetic item when the item is placed between the first magneto coupler and the removable member. The clip member allows the housing to be attached to, and detached from, an edge of a non-metallic and/or non-magnetic item when the removable member is magnetically coupled to the housing, and there is no item between the first magneto coupler and removable member.

Abstract: A projector and a method for holding the projector, which can prevent the projector from dropping and which can prevent noise emission. The projector of the present disclosure includes resin housing having multiple mounting portions, hanging metal plate disposed inside housing, at least one metal member disposed inside housing, connected to hanging metal plate, and integrated with hanging metal plate to form a loop shape, grounding member that is connected to the loop shape and grounds hanging metal plate, hanging metal fitting for fixing housing to a wall surface or ceiling, fixing member for fixing hanging metal fitting from the outside of housing to multiple portions, the hanging metal plate being fixed to hanging metal fitting through fixing member in at least one portions.

Abstract: An optical engine module comprises a casing, a light valve, a heat dissipating module, and at least three fixtures. The casing comprises at least three fixing structures. The light valve is disposed in the casing and is connected to the casing. The light valve comprises a heat interface. The heat dissipating module comprises a heat dissipating surface in contact with the heat interface of the light valve. The number of the at least three fixing structures and positions of the same correspond respectively to the number of the at least three fixtures and positions of the same. The heat dissipating module is connected to the casing by matching the at least three fixing structures and the at least three fixtures. In the optical engine module, improved stability of the heat dissipating module, preferable heat dissipating efficiency for the light valve, and thus good optical effect are provided.

Abstract: A projection apparatus includes: a fixed body that contains a light source and a light modulation element for spatially modulating light from the light source based on image data; a movable body that includes a reflecting member for reflecting light emitted from the fixed body, is rotatably supported by the fixed body around a rotation axis parallel to an incidence direction of the light onto the reflecting member, and is movable with respect to the fixed body; a fixed body side electrode; a movable body side electrode; a driving unit; and an optical member that is provided at the movable body and driven by the driving unit, and the fixed body includes a driving controller that controls the driving unit in a case where the movable body side electrode is electrically conducted with the fixed body side electrode.

Abstract: A projection device including a housing and a display module is provided. The display module is configured in the housing and may include a frame, an optical engine assembly, and at least one first electronic component. The frame may include a first assembling portion and at least one second assembling portion. The optical engine assembly is assembled to the first assembling portion in a first direction. The at least one first electronic component is assembled to the at least one second assembling portion in a second direction different from the first direction. In the projection device provided, interior space may be effectively utilized and the projection device may have advantages in a smaller volume.

Abstract: A mat has an embedded array of light sensors under a micro-faceted lens array to provide an array of light intensity values for various incident angles of incident real world light. Virtual objects may be projected onto the mat and, using the information from the light sensors, virtually illuminated to match the real-world lighting environment. A touch sensor array may be embedded in the mat to allow users to interact with the virtual objects and provide other input. The surface of the micro-faceted lens array may be coated with a patterned infrared (IR) reflective coating, such that the mat passively reflects a specific band of IR wavelengths in a pattern to act as a fiducial marker.

Abstract: In a beam splitter assembly 7, a beam splitter 22 is supported at three points by three bent portions 41 of a first spacer 24. Therefore, the beam splitter 22 can be prevented from being affected by the surface accuracy of a holder 21. Further, in the beam splitter assembly 7, the first spacer 24 faces the peripheral edge portion of the beam splitter 22. Each bent portion 41 is configured by bending each outer projection piece. Therefore, the external shape of the first spacer 24 can be prevented from becoming larger than the external shape of the beam splitter 22. And it is possible to suppress that the size of the holder 21 for providing the first spacer 24 becomes large. As a result, the miniaturization of the beam splitter assembly 7 can be realized.

Abstract: A display device is disclosed. The display device includes a display panel; a frame positioned in a rear of the display panel and coupled to the display panel; a bottom frame coupled to a lower side of the frame; a plate positioned in a rear of the frame and hinge-coupled to the bottom frame; and a coupler positioned adjacent to an upper side of the frame and between the plate and the frame and enabling the plate to be detachable from the frame.

Abstract: A self-supporting system for the mass communication and distribution of content and digital advertising in public spaces. The system has a mechanical structure that sets the system on a building and supports the other components. The system has a control module; a connectivity module; a sensor module; one or more human-machine interfaces; and an energy source. A method for the administration, management, and supervision of the system remotely by an administrator, and a method for receiving user inputs with the system. The system allows the use of pre-existing urban infrastructure for communication and mass distribution of content and digital advertising in public spaces with high capacity for attracting the attention of, and interacting with, the public, without need to install intrusive structures within the urban environment, with a low cost and reduced environmental impact.

Abstract: Accessories and methods are disclosed for projecting content generated by a hand-held device (100) on reality. An accessory (2) includes a housing (102) configured for mechanically attaching to the hand-held device, and viewing optics (108) within the housing configured to project an image of content generated by the hand-held device on reality via a see through display (23). In some applications, the hand-held device is a smartphone.

Abstract: A projection device includes: a light source module for generating an illumination beam; an optical engine module disposed on a transmission path of the illumination beam for forming an image beam; a projection lens disposed on a transmission path of the image beam for projecting the image beam to an outside of the projection device; and a housing having opposite bottom and top portions, and a side wall connected between and surrounding the portions and having an air inflow region adjacent to the bottom portion and an air exhaust region adjacent to the top portion. The light source module, the optical engine module and the projection lens are disposed in the housing adjacent to the top portion, wherein the image beam is projected to the outside toward the bottom portion. The projection device of the invention can effectively dissipate heat.

Abstract: A projector includes a first circulation channel formed in a sealed space and where a first fluid for cooling a cooling target arranged within the sealed space circulates, a second circulation channel where a second fluid to which heat is conducted from the first fluid circulates, and a third circulation channel where a third fluid to which heat is conducted from the second fluid circulates and where the heat conducted to the third fluid is radiated in a process of circulation of the third fluid. The first fluid is gas. The second fluid and the third fluid are liquid.

Abstract: The invention provides a projection device. The projection device includes a housing, an optical engine, a projection lens, a plurality of first fans and a heat dissipating module. The housing has an air inlet and an air outlet. The optical engine is configured in the housing, and includes a plurality of heating elements. The projection lens is connected to the optical engine. The heat dissipating module is configured in the housing, and the heat dissipating module includes a first heat dissipating fin. One of the plurality of first fans is adjacent to the first heat dissipating fin, and another of the plurality of first fans is away from the first heat dissipating fin. There is no the first heat dissipating fin between the air inlet and the another, away from the first heat dissipating fin, of the plurality of first fans.

Abstract: In a projection-type display apparatus, a polarization converter, a light-incident-side polarizer, a first liquid crystal device, a first light-exiting-side polarizer, and a retardation film are arranged along the optical path from a light source section to a projection system. The light-incident-side polarizer is a wire grid polarizer including a wire grid integrally provided on the light exiting surface of the polarization converter, and the light-incident-side polarizer and the polarization converter form a single optical part. The first light-exiting-side polarizer is a wire grid polarizer including a wire grid integrally provided on the light exiting surface of the first liquid crystal device, and the first light-exiting-side polarizer and the first liquid crystal device form a single optical part.

Abstract: The present invention discloses an apparatus and method for flagging a location on an object with a light image so that when a line of sight of the object is later obstructed, the light flagged location is known available to be utilized. A light is projected onto a cooktop to flag a burner location in order to use that location for centering of a pot over on burner when the pot being placed on the burner obstructs the line of sight of the cook to the burner.

Abstract: The present invention discloses a waterproof stage light with efficient heat dissipation comprising a light source component, a heat dissipating system and a waterproof main housing, wherein an opening is arranged at the rear end of the main housing, the heat dissipating system is in seal connection with the opening; one end of the heat dissipating system is positioned inside the main housing and the other end is positioned outside the main housing; and the light source component is arranged on the end of the heat dissipating system that is positioned inside the main housing. The stage light according to the present invention, which is simple in structure and convenient in use, improves the operation effect, normal service life, and reliability and stability of the stage light, and has a waterproof function, the stage light thus can be normally used outdoors with expanding application.

Abstract: An electronic device includes housing, and a display, where at least part of the display is accommodated in the housing. The electronic device also includes a slide portion and a camera module unit. The slide portion includes an opening exposed to an outside and sliding with respect to the housing. The camera module unit is disposed at the opening and rotating with respect to the slide portion. The slide portion is configured to overlap with the display, in a first state, extend from the display by a first stroke, in a second state, and extend more than the first stroke by a second stroke, in a third state. The camera module unit is configured to face a first direction in the first state and the second state and to rotate toward a second direction different from the first direction, by the second stroke, when switching to the third state.

Abstract: An LED light has a built-in projection light and a night light to offer at least two functions for people in a dark environment. The projection light can project an image from any type of display-unit irrespective of geometric shape or image source or type, including display of digital data, wireless digital data, an LCD or TFT screen display, or any other display, enabling images of enlarged size to be projected onto a preferred surface, making it easier for people to see the image. The built-in night light helps people see things in a dark environment.

Abstract: Disclosed are a color wheel device and a projector, wherein the color wheel device comprises: a color wheel chamber used for accommodating a color wheel module and provided with an air inlet and an air outlet; a heat exchanger having a heat-exchange core, the heat-exchange core being provided with a first channel for air in the color wheel chamber passing, the air outlet of the color wheel chamber being communicated with a heat-exchange inlet of the first channel, and a heat-exchange outlet of the first channel being communicated with the air inlet of the color wheel chamber to form a closed circulating air duct, wherein the first channel has multiple layers spaced apart from one another, and the space between two adjacent layers of the first channel forms a second channel for outside air passing; and an air propulsion device used for accelerating air flow.

Abstract: An optical module includes an illuminating unit, an imaging unit and a projection lens. The illuminating unit includes a light source, a first collimating lens, a splitter, a microlens array and a first lens and is configured to generate a light beam. The imaging unit includes a first prism, a second prism and a display component and is configured to cover the light beam to image light containing image information. The projection lens includes a plurality of lenses and is configured to project the image light. A first axis sequentially passes through the light source, the first collimating lens, the splitter, the microlens array, the first lens, the first prism, the second prism and the lenses. The invention also provides a projection device including the optical module, a first holder and a second holder.

Abstract: A projector housing and a projector are provided. The projector housing includes a housing body (10) and a support (20). The support (20) is arranged on the housing body (10) in an openable or closable manner. A first heat dissipation hole (11) is provided on the housing body (10) and at an inner side of the support (20). When closed on the housing body (10), the support (20) shields the first heat dissipation hole (11).

Abstract: An adjustment mechanism configured to fix and adjust a light integration rod including an outer cylinder member, an inner cylinder member and a first adjustment member. The outer cylinder member has a first open end, a second open end and a cylinder wall, wherein the cylinder wall has a first opening and a first locking portion protruding outward. The inner cylinder member is configured to accommodate the light integration rod. The inner cylinder member is disposed in the outer cylinder member, a first outer surface of the inner cylinder member has a first protruding portion, wherein the first protruding portion passes through the first opening and protrudes from the outer cylinder member, and is opposite to the first locking portion. The first adjustment member is connected to the first locking portion and the first protruding portion, and configured to move the inner cylinder member back and forth.

Abstract: A projection type display apparatus includes a container configured to house a light source unit, a light modulation element, and an optical system configured to illuminate the light modulation element with light from the light source unit, a housing configured to house the container, and a reinforcement member configured to extend from an outer surface of the container to an inner surface of the housing and to contact the outer surface of the container and the inner surface of the housing. A side of the reinforcement member contacting the inner surface of the housing is fixed onto a side surface of the housing.

Abstract: An adjusting device for a light-pipe includes an outer tube, a rotatable ball, an inner tube and an adjustment member. The inner tube is configured to accommodate the light-pipe. The outer tube comprises a first end and a second end disposed oppositely, and a receiving cavity constructed to receive the rotatable ball is formed in the first end of the outer tube. The rotatable ball is hinged in the receiving cavity, and a through-hole is opened in the rotatable ball. One end of the inner tube is fixedly connected to the through-hole, and the other end is disposed inside the second end of the outer tube through the adjustment member. The adjustment member is configured to drive the inner tube to swing along the center of the rotatable ball within the outer tube.

Abstract: A projection device includes a light source module, a light engine module and a projection lens. The light source module is used for emitting an illumination beam. The light engine module is used for receiving the illumination beam and converting the illumination beam into an image beam. The light engine module includes a first shell, a second shell, an elastic sealing member and an electronic component. The second shell and the first shell are combined with each other to form an accommodation space. The elastic sealing member is disposed between the first shell and the second shell for sealing a junction of the first shell and the second shell. The electronic component connects with a transmission cable. The transmission cable is penetratingly disposed at the elastic sealing member to penetrate out of the first shell and the second shell. The projection lens is used for receiving and projecting the image beam.

Abstract: A programmable laser device is configured to project a laser image, and includes an outer casing, a lens provided on a side surface of the outer casing, and a power switch that switches the programmable laser device between an ON state and an OFF state. A memory stores one or more programs, each including at least one laser image. A control panel has a control panel display that includes a keyboard having character buttons and a SEND button. A processor is configured to, when the programmable laser device is in the ON state, execute the one or more programs selected via the control panel. In addition, the programmable laser device includes a laser configured to display any one of the laser images of the one or more programs stored in the memory, and the laser image input via keyboard of the control panel.

Abstract: A light source device includes a light source, a homogenizer optical system provided with a first multi-lens array having a plurality of first lenses which light emitted from the light source enters, and a second multi-lens array having a plurality of second lenses each of which the light having been transmitted through corresponding one of the first lenses enters, and adapted to homogenize the light emitted from the light source, a light intensity control element adapted to control light intensity of the light emitted from the homogenizer optical system, a light collection optical system adapted to converge the light having been transmitted through the light intensity control element, and a diffusion element which the light converged by the light collection optical system enters.

Abstract: In a case in which a predetermined condition is satisfied, the scan control unit sets a vertical scan speed held when a first region in which a content is present in the display image data is scanned in a vertical direction to a first speed that is lower than a constant speed that is set when a frame scan time required to display one frame is a constant time with the vertical scan speed held constant. The scan control unit sets a vertical scan speed held when a second region in which no content is present in the display image data is scanned in a vertical direction to a second speed that is higher than the constant speed so that the frame scan time is the constant time.

Abstract: A dust-proof case includes a case main body having a lid member resting surface that is formed on an outer circumferential portion and a wall portion that is formed on an outer circumferential side of the lid member resting surface, and a lid member having a lid member main body having a plurality of corner portions and an elastic portion that is in abutment with an inner surface of the wall portion that is formed on an outer circumference of the lid member main body and rested on the lid member resting surface, and the elastic portion includes the plurality of corner portions and a straight-line portion in a circumferential shape thereof, and a circumferential cross-sectional area of the elastic portion is narrower at the corner portion than at the straight-line portion.

Abstract: An electronic system, an electronic device and a method for setting an extending screen thereof, and a projector apparatus are provided. The method for setting the extending screen includes following steps. Whether at least one projector apparatus is connected to an electronic device is determined. Moreover, when the projector apparatus is connected to the electronic device, the projector apparatus is set as at least one extending screen extended out from the edge of the screen of the electronic device. The corresponding relationship between the extending screen and the screen is related to the location relationship between the connected projector apparatus and the screen of the electronic device.

Abstract: Preferred embodiments relate to an amenity monument installed in the middle of a cabin space that absorbs “dead-space” in a seating layout while simultaneously providing features and amenities that are desirable to passengers. In preferred embodiments, this may substantially enhance the array of seating options and configurations available to an aircraft interior designer. In certain embodiments, the amenity monument may be equipped with dimmable panels that are set to a transparent condition during taxi, take-off and landing. During flight, the dimmable panels may be set to a translucent or opaque condition that provides privacy for the passenger utilizing the amenity monument as well as passengers seated nearby. In some embodiments, the monuments may provide enhanced amenities like curved, surround-view screens and which display gaming, advertising, multimedia and/or retail content.

Abstract: A mobile terminal includes a first body including a first surface; a second body including a second surface; a third body including a third surface; and a flexible screen coupled to the first surface of the first body, the second face of the second body and the third surface of the third body and including a first end and a second end, wherein the first end of the flexible screen is movable relative to the second surface of the second body, and the second end of the flexible screen is movable relative to the third surface of the third body.

Abstract: A projection display device includes: a light source device which emits source light; a first polarizer passes the source light in a first polarization state; a reflective liquid crystal panel; an illumination optical system which causes the source light to be incident to the reflective liquid crystal panel; a second polarizer passes the source light in the first polarization state from the first polarizer, and reflects the source light in a second polarization state from the reflective liquid crystal panel; a projection optical system which projects the source light reflected by the second polarizer; a support member which includes an outer member that supports the first polarizer and the reflective liquid crystal panel and an inner member that is fixed to the outer member in an internal space of the outer member and supports the second polarizer; and a seal mechanism which seals the internal space.

Abstract: A landscape light including a housing including a first compartment and a second compartment, the first compartment being substantially weather-proofed and the second compartment being in fluid communication with an exterior of the housing, a light source producing a light disposed in the first compartment, and a heatsink for dissipating heat generated by the light source disposed in the second compartment.

Abstract: The present invention realizes a light source unit and a method of cooling the light source unit that reduces any increase in the ambient temperature of a red solid-state light source and thus reduces any decrease in brightness of the red solid-state light source.

Abstract: A projection light source system and method of manufacture are shown in various embodiments. In one embodiment a single projector head (12) includes a light source (95) which projects through a condenser lens (90) and then an image transparency 120 which may be film or other digital media, and through an imaging lens 140 which is adjustable by rotation of a threaded cap 150. Adjustment of the image target location is achieved in part via an adjustment in the flange (20) which is rotatably connected to the head. Sequencing of images from a plurality of heads which are internally, remotely or IP controllable creates the ability project a succession of fixed images from a succession of heads either overlapping their target point or adjacent to create the effect of motion.

Abstract: A landscape light is provided, which comprises a support, a head, an adaptor, and a fastener. The support is for securing the landscape light to a substrate. The head comprises a body, a light source for emitting light along a direction of light emission, a cover, and a first adjustment member secured to the body. The adaptor comprises a second adjustment member secured to a stem. The stem is removably securable to the support, and is shaped and sized to be removably securable to the support and to one or more other supports for securing the landscape light to one or more other types of different substrates. The second adjustment member is removably securable to the first adjustment member in a plurality of positions for adjusting a tilt angle between the head and the support. The fastener is for removably fastening the first adjustment member to the second adjustment member.

Abstract: A telescopic projector has a body, a projecting set, and a focusing set. The body has a shell and a roll film. The roll film is mounted in the shell. The projecting set is mounted in the body and has a power supply board and a radiating unit. The power supply board is located in the shell. The radiating unit is located in the shell and is electrically connected with the power supply board. The focusing set has a focusing electric machine, a driving block, and a sliding unit. The focusing electric machine is mounted in the shell and is electrically connected to the power supply board. The driving block is mounted on a top surface of the focusing electric machine and is controlled by the focusing electric machine. The sliding unit is mounted in the shell and is located above the focusing electric machine.

Abstract: A cooling device is adapted to cool a DMD including a reflection surface and a support frame for supporting the outer edge of the reflection surface, and includes first and second contact portions and a water cooling pump. The first and second contact portions each have a contact surface that is brought into contact with a side surface in a direction transverse the reflection surface at the support frame. The water cooling pump is connected to the first and second contact portions so as to cool the first and second contact portions.

Abstract: An outdoor laser lamp includes a housing, a laser and a circuit board disposed inside the housing, and a lower mounting plate. A periphery of the lower mounting plate is in contact with an inner wall of the housing, a laser and a circuit board are located between the lower mounting plate and the top of the housing. Air vents are on the bottom of the housing; through holes are on the lower mounting plate, a raised ring wall surrounds each through hole and extends towards the bottom of the housing. The laser lamp realizes air circulation between outside air and the interior of the housing, realizes rapid heat dispersion of the laser lamp to ensure the functionality of the laser lamp. Additionally, it prevents water entering the space where the circuit board is arranged, to avoid the influence on the internal circuits by water.