Abstract: An apparatus, comprising two or more scan modules, each scan module having one or more laser sources that generate one or more laser beams and a beam deflector that deflects the two or more laser beams. A fluorescent emissive sheet (FES) receives the one or more laser beams deflected by the beam deflectors of the one or more scan modules and emits light of longer wavelength than that of the one or more laser beams at portions of the FES that are struck by the one or more laser beams. An optically transmissive viewing window coupled to a podium wherein the light of longer wavelength than that of the one or more laser beams is projected onto the viewing window.

Abstract: An illumination system including multiple light sources, a first light combining module, a second light combining module, and a converging lens is provided. The light sources respectively provide multiple beams with the same wavelength range. The first light combining module is disposed on a transmission path of a portion of the beams. The second light combining module is disposed on a transmission path of another portion of the beams to combine the beams into an exciting beam. The converging lens is disposed on a transmission path of the exciting beam.

Abstract: A light source device according to an aspect of the present disclosure includes a light source unit including a base member on which mounting substrates on which first and second light emitting elements are mounted are placed, a wavelength conversion unit including a wavelength conversion wheel configured to emit wavelength-converted light and a wheel housing configured to house the wavelength conversion wheel, and an optical unit including a condensing optical system configured to condense light emitted from the first and second light emitting elements on the wavelength conversion wheel, a pickup optical system configured to pick up the wavelength-converted light, and an optical housing. The condensing optical system includes a first lens on which the light emitted from the first light emitting element is directly made incident and an optical-path changing member configured to make the light emitted from the second light emitting element incident on the first lens.

Abstract: A light source unit includes a first light emitting device configured to emit light in a first wavelength range, a luminescent wheel comprising a luminescent light emitting area configured to emit luminescent light that is excited by the light in the first wavelength range as light in a second wavelength range, and a color wheel onto which the light in the first wavelength range and the light in the second wavelength range are shined. A filter selects a part of the wavelength from the shined light in the first wavelength range and the light in the second wavelength range. A wheel surface of the color wheel is inclined with respect to axes of the light in the first wavelength range and the light in the second wavelength range.

Abstract: A light source unit includes: a housing; a semiconductor laser that is disposed in the housing and that radiates excitation light; a first condenser optical system that condenses the excitation light; a dichroic mirror that selectively reflects the excitation light; a second condenser optical system that condenses the excitation light; a wavelength conversion member that performs wavelength conversion of the excitation light and emits wavelength-converted light; an emission section that outputs the wavelength-converted light transmitted through the second condenser optical system and the dichroic mirror; and a light blocking section that is disposed between an inner surface of the housing, the inner surface being in a traveling direction of the excitation light toward a reflection surface of the dichroic mirror, and a back surface, the back surface being an opposite side of the reflection surface, or is disposed on the inner surface of the housing.

Abstract: The application relates to the technical field of projection, and discloses a projection device which can improve the brightness of projection imaging. Part of the projection device comprises: an LED light source, a color wheel, a light-equalizing rod, a convex lens, a first Fresnel lens, an LCD panel and a projection lens; a ray of target light emitted by the LED light source emits a target alternating light through the color wheel, and the target alternating light comprises five monochromatic lights including red light, green light, blue light, yellow light and white light, and the five monochromatic lights enter the light-equalizing rod for uniform treatment to emit an uniform light spot, the uniform light spot is imaged at the first Fresnel lens through the convex lens, then irradiated into the LCD panel, and projected by the projection lens.

Abstract: Provided is a wavelength converting composite member including: a disk-shaped substrate; a first wavelength converting member provided on the substrate and containing a first phosphor that radiates fluorescence due to a parity-forbidden transition; and a second wavelength converting member provided on the substrate and containing a second phosphor that radiates fluorescence due to a parity-allowed transition. The first wavelength converting member and the second wavelength converting member are disposed adjacent to each other along the circumferential direction of the substrate. The first wavelength converting member and the second wavelength converting member are provided on the substrate in such a way that the position of the center of gravity of the entirety of the first wavelength converting member and the second wavelength converting member is located on the rotation axis of the substrate. A light emitting device is provided with the wavelength converting composite member.

Abstract: An illuminator includes a light source that outputs first light having a first wavelength band, a wavelength converter that converts the first light into second light having a second wavelength band different from the first, a first optical element that reflects part of the first light to cause the reflected first light to be incident on the wavelength converter and transmits the other part of the first light and the second light, and a second optical element that reflects the other part of the first light having the first wavelength band and passing through the first optical element, the direction of the reflected light being the traveling direction of the second light having the second wavelength band and passing through the first optical element, and transmits the second light having the second wavelength band and emitted from the wavelength converter.

Abstract: An illumination system includes a first light source, a wavelength conversion device, a first light-splitting element, a light-filtering device, and a light-homogenizing element. The first light source provides a first light beam. The wavelength conversion device includes a single wavelength conversion material configured to convert the first light beam into a conversion light beam. The first light-splitting element is disposed on transmission paths of the first light beam and the conversion light beam. The light-filtering device is disposed on the transmission paths of the first light beam and the conversion light beam. The light-homogenizing element is disposed on the transmission paths of the first light beam and the conversion light beam. When the first light beam is transmitted to the light-homogenizing element, the first light beam is not incident on the wavelength conversion device. A projection apparatus including the illumination system is also provided.

Abstract: A projector includes a monochromatic self-luminous display panel; a color filter disposed in front of the monochromatic self-luminous display panel; a filter driver configured to move the color filter in direction parallel to the monochromatic self-luminous display panel; a micro lens array disposed in front of or behind the color filter and configured to convert light emitted from the monochromatic self-luminous display panel into parallel light; a projection lens disposed in front of the micro lens array and the color filter and configured to project light that has passed through the micro lens array and the color filter onto a screen; and a processor configured to control the monochromatic self-luminous display panel and the filter driver.

Abstract: A phosphor according to the present disclosure includes a first crystal phase added with an activator agent, a second crystal phase higher in thermal conductivity than the first crystal phase, and a third crystal phase which is disposed between the first crystal phase and the second crystal phase, and is same in crystal structure as the first crystal phase, and is smaller in additive amount of the activator agent than the first crystal phase.

Abstract: A light source unit includes a blue laser diode of an excitation light shining device for emitting light in a first wavelength range, a red light source of a red light source device for emitting light in a second wavelength range, a luminescent wheel including a wavelength transforming area for transforming the light in the first wavelength range into light in a third wavelength range differing in wavelength range from the light in the first wavelength range and the light in the second wavelength range and emitting the light in the third wavelength range and a transmitting area for emitting the light in the first wavelength range, the wavelength transforming area and the transmitting area being provided end to end in a circumferential direction, and a dichroic mirror configured to transmit one of the lights in the first and second wavelength ranges and reflect a remaining light.

Abstract: A projection screen, comprising a screen substrate and a plurality of light reflecting portions, wherein the light reflecting portion is arranged on an incident side of the screen substrate, and has a first surface and a second surface that face different directions, the first surface facing an incident direction of projection light, and the plurality of light reflecting portions are continuously arranged on the screen substrate to form a structure of sawtooth shape, wherein a light absorbing layer is provided on the second surface; and a wavelength-selection filter layer is provided on the first surface, and the wavelength-selection filter layer is configured to reflect the projection light and transmit and absorb at least part of ambient light.

Abstract: A projector includes a light source, an optical element, a wheel-type optical assembly, a light valve, and a projection lens. The wheel-type optical assembly includes a frame, a driving unit, a rotating wheel, an optical sensing element, and a light shielding structure. The driving unit is arranged on the frame and connected to the rotating wheel. The driving unit drives the rotating wheel to rotate about a rotation axis. The optical sensing element arranged on the frame senses a rotation speed of the rotating wheel. The light shielding structure connected to the frame surrounds the optical sensing element. An orthographic projection of the light shielding structure on a reference plane partially overlaps an orthographic projection of the rotation axis on the reference plane. A normal line of the reference plane is parallel to a shortest connection line between an optical axis of the optical element and the rotation axis.

Abstract: The invention provides a wavelength conversion device and a projector. The wavelength conversion device is configured to receive an excitation beam and includes a substrate, at least one wavelength conversion material layer, a driving unit and an assembly member. The substrate has a first region and a second region disposed adjacent to each other. The at least one wavelength conversion material layer is disposed on the substrate and located in the first region and configured to convert a wavelength of the excitation beam. The driving unit includes a rotation shaft. The driving unit is connected to the substrate and configured to drive the substrate to rotate with the rotation shaft as an axial center. The assembly member is disposed on the substrate, and the substrate drives the assembly member to rotate. A thickness or a shape of the assembly member is asymmetrical in a radial direction.

Abstract: A light source module for providing an illumination light includes a light source configured to provide a first beam of a first waveband, a microlens array disposed corresponding to the light source and configured to uniform the first beam, a first lens set configured to focus at least a portion of the first beam uniformed by the microlens array, and a wavelength conversion unit configured to convert at least a portion of the first beam focused by the first lens set into a second beam of a second waveband different from the first waveband, wherein the second beam and the first beam not converted by the wavelength conversion unit together form the illumination light.

Abstract: A projection apparatus includes a light valve, a projection lens, and a light source device. The light source device provides an illumination beam and includes a casing, a light source, and a wavelength-converting module. The casing has an opening portion. The light source device is disposed in the casing and provides an excitation beam. The wavelength-converting module is disposed at the opening portion and includes a bracket, a motor, and a wavelength-converting wheel. Heat-dissipating fin set of the bracket is exposed out of the casing via the opening portion. The motor is disposed on a carrying portion of the bracket. The wavelength-converting wheel is driven to rotate by the motor. The wavelength-converting wheel converts the excitation beam into a conversion beam. The illumination beam includes the conversion beam. The light valve is disposed on a transmissive path of the illumination beam to convert the illumination beam into an image beam.

Abstract: A color conversion film having: a substrate film, a color conversion layer provided on the substrate film and a phase transformation adhesive layer including an adhesive resin matrix and a phase change material, and a backlight unit and a display apparatus including the color conversion film.

Abstract: A light source unit of the invention includes a first light source configured to emit light in a first wavelength range and a wheel in which a first transmitting area is formed, the first transmitting area being configured to transmit light in the first wavelength range incident from a side facing a first surface of the wheel, and the first transmitting area contains a first luminescent material configured to emit first luminescent light including at least a wavelength range of light in the first wavelength range by light in a second wavelength range whose wavelength range differs from that of light in the first wavelength range being shined from a side facing a second surface of the wheel, the second surface being opposite to the first surface.

Abstract: Systems and methods for a multi-primary color system for display. A multi-primary color system increases the number of primary colors available in a color system and color system equipment. Increasing the number of primary colors reduces metameric errors from viewer to viewer. One embodiment of the multi-primary color system includes Red, Green, Blue, Cyan, Yellow, and Magenta primaries. The systems of the present invention maintain compatibility with existing color systems and equipment and provide systems for backwards compatibility with older color systems.

Abstract: A projection system and a control method of a driving current thereof are provided. A power supply of an illumination module provides the driving current to drive a light source to provide an illumination beam. A filter wheel receives the illumination beam and filtered beams are generated. The illumination beam passes through the filter wheel during a first period and a first filtered beam is generated. The illumination beam passes through the filter wheel during a second period and a second filtered beam is generated. The filtered beams include the first filtered beam, the second filtered beam, and an intermediate filtered beam generated during an intermediate period between the first and second periods. A control device controls the power supply to continuously provide the driving current from the first period, through the intermediate period, to the second period.

Abstract: A conversion element, an optoelectronic component, an arrangement and a method for producing a conversion element are disclosed.

Abstract: A projector and a wavelength conversion device thereof are provided. The projector includes an illumination system that includes a light source device and a wavelength conversion device. The light source device is configured to provide an excitation beam. The wavelength conversion device is disposed on a transmission path of the excitation beam, and configured to convert the excitation beam into an illumination beam. The wavelength conversion device includes a substrate comprising a first surface, a second surface, and an axis center, a heat-conducting connection structure, a first reflective structure, and a wavelength conversion structure. The heat-conducting connection structure is located between the first surface and a first reflective structure, the first reflective structure is located between the heat-conducting connection structure and a wavelength conversion structure, and the wavelength conversion structure is located on the first reflective structure.

Abstract: The projector appropriately generates white light from a laser light source and uses the white light for image display. A white light generator that generates white light from blue light and yellow light includes a dichroic mirror that is irradiated with blue light from a blue laser, a first condenser lens that focuses the blue light that has passed through the dichroic mirror, a diffusion plate that diffuses the focused blue light, a second condenser lens that focuses the blue light obtained by allowing the diffused blue light to pass through the dichroic mirror, and a phosphor that is irradiated with the focused blue light to emit yellow light; the diffusion plate is an alumina ceramic plate; the dichroic mirror has a first region that transmits one of the blue light and the yellow light and reflects the other and a second region that reflects or transmits both.

Abstract: A wavelength-converting wheel includes a motor, a turntable, a pressing ring, a first balance block and an adhesive layer. The motor has a rotating shaft. The turntable has an inner ring portion and an annular irradiation portion. The inner ring portion is sleeved on the rotating shaft. The annular irradiation portion is connected to an outer edge of the inner ring portion. The pressing ring is sleeved on the rotating shaft and pressed and abutted against the inner ring portion. The pressing ring has a first surface and a second surface. The second surface faces the inner ring portion. The first balance block is disposed on the first surface. The adhesive layer is adhered between the second surface of the pressing ring and the inner ring portion. A heat insulation structure is disposed in the projection direction where the first balance block is projected on the inner ring portion.

Abstract: A display apparatus includes a backlight unit comprising a light source emitting blue light, a green color conversion material and a red color conversion material, a first polarizer disposed on the backlight unit, a first base substrate disposed on the first polarizer, a thin film transistor disposed on the first base substrate, a second polarizer disposed on the thin film transistor, a first color conversion pattern and a second color conversion pattern disposed on the second polarizer, a first color filter disposed on the first color conversion pattern, a second color filter disposed on the second color conversion pattern, a second base substrate disposed on the first and second color filters, and a third polarizer disposed on the second base substrate and having a polarizing axis same as a polarizing axis of the second polarizer.

Abstract: An illumination device includes: an excitation light source that emits excitation light having a first wavelength; and a fluorescent member that includes a fluorescent substance that, when it is irradiated with the excitation light, emits light having a second wavelength longer than the first wavelength, transmits a part of the excitation light and reflects another part of the excitation light, and a first reflective film provided at a side of the fluorescent substance, which is opposite to an excitation light incidence side, the fluorescent member emitting multiplexed light including an excitation light component reflected from the fluorescent substance and the first reflective film and a light component emitted from the fluorescent substance.

Abstract: An illumination system including an excitation light source, a first light splitting element, a wavelength conversion element, a second light splitting element, a third light splitting element and a fourth light splitting element is provided. The excitation light source provides a light beam. The first light splitting element allows the light beam to pass through to generate a first light beam or reflects it to generate a second light beam. The wavelength conversion element is located on a light path of the first light beam. The second light splitting element allows the first light beam to pass through to be transmitted to the wavelength conversion element to generate a third light beam and reflects the third light beam. The third light splitting element reflects the second light beam. The fourth light splitting element allows the second light beam to pass through and reflects the third light beam.

Abstract: The invention discloses a phosphor wheel, and a projector using the phosphor wheel. The projector includes an illumination system, a light valve, and a projection lens. The illumination system is used to provide an illumination beam. The light valve is disposed on a transmission path of the illumination beam and converts the illumination beam into an image beam. The projection lens is disposed on a transmission path of the image beam. The illumination system includes an excitation light source and a phosphor wheel. The excitation light source is used to provide an excitation beam to the phosphor wheel. The phosphor wheel includes a motor, a disk plate, a reflection member, and at least one phosphor layer. The motor has a shaft. The disk plate is connected to the shaft. In the invention, the phosphor wheel has better reliability and rigidity, and has the effect of enhancing heat dissipation.

Abstract: A light source module includes a filter wheel, a composite light source, and a third light source. The filter is rotatable with respect to a pivot and includes a first color filter area, a second color filter area, and a light transmitting area. The composite light source emits a composite light consisting of a first and second color lights.

Abstract: A lighting device of the present disclosure includes: an excitation light source; a phosphor for receiving an excitation light from the excitation light source and emitting a fluorescent light; a spreader for supporting the phosphor; and a reflective layer disposed between the phosphor and the spreader and reflecting the fluorescent light. The phosphor is a plurality of phosphor pieces disposed to be adjacent to each other and having the same characteristic.

Abstract: An illumination device includes a blue laser emitting element, a red laser emitting element, a diffusely reflecting element configured to diffuse and reflect a part of light from the blue laser emitting element, a phosphor, a bandpass filter provided to the phosphor to transmit light from the red laser emitting element, a polarization splitting/combining element having a polarization split function, and a first wave plate disposed between the polarization splitting/combining element and the diffusely reflecting element. The polarization splitting/combining element guides a blue first polarization component to the diffusely reflecting element and guides a blue second polarization component to the phosphor. Then, the polarization splitting/combining element combines the fluorescence, the light from the red laser emitting element entering a second surface of the phosphor and then emitted from a first surface, and blue diffused light with each other to generate illumination light.

Abstract: An illumination system including an excitation light source, a wavelength conversion element and a filter element is provided. The excitation light source is used for emitting an excitation beam. The wavelength conversion element has a wavelength conversion region. When the wavelength conversion region is cut into a transmission path of the excitation beam, the wavelength conversion region is excited by the excitation beam and emits a converted beam. A reference plane is perpendicular to the transmission path of the converted beam and is angled such that an acute angle is formed between the reference plane and the filter wheel which is disposed on a transmission path of the converted beam coming from the wavelength conversion element. The filter element allows a part of the converted beam to penetrate so as to output at least one color beam, and reflects another part of the converted beam.

Abstract: A projector and a wavelength-converting element are disclosed. The projector includes an illumination system, a light valve and a lens. The illumination system includes a light source providing an excitation beam, and a wavelength conversion device located at a transmission path of the excitation beam. The wavelength-converting element includes a substrate having a wavelength-converting area, an optical film disposed in the wavelength-converting area of the substrate, and a fluorescent film covering the optical film and converts the excitation beam into a converting beam. The converting beam and the excitation beam constitute an illumination beam. The fluorescent film contains phosphors, wherein the phosphors having a larger particle size are distributed among or above the phosphors having a smaller particle size. The light valve converts the illumination beam into an image beam. The image beam becomes a projection beam after passing through the lens.

Abstract: A light source module and a projection device including the same are provided. A wavelength conversion device of the light source module has at least one wavelength conversion area for converting a blue beam provided by a blue light source into a converted beam, and the converted beam is transmitted to a wavelength selection element so that a first green beam is obtained by the wavelength selection element from at least a portion of the converted beam. According to the blue light source, a red light source, the wavelength conversion device and the wavelength selection element, the light source module provides an illumination beam corresponding to a first display mode or a second display mode.

Abstract: An AC power source LED light device for projecting moving images includes an LED light or LED bulb arranged to provide moving effects by moving at least one LED, an image forming element, a projection lens, or a projection assembly, or by controlling on/off of multiple LEDs to provide the appearance of movement.

Abstract: A light converter comprises: a solid-state optical member configured to absorb light of an excitation wavelength and generate light of an emission wavelength; a base; and a mechanical fastener attaching the solid-state optical member to the base. The light converter may be part of a light engine, a phosphor wheel or an automotive headlight. A method of manufacturing such a phosphor wheel is also provided.

Abstract: An illumination system includes a first light source providing a first color beam, a first beam-splitting element which disposes on a transmission path of the first color beam and separates the first color beam into a first sub-beam and a second sub-beam, an optical wavelength conversion element which receives the first sub-beam and converts the first sub-beam into a second color beam and reflects the second color beam back to the first beam-splitting element, a second light source providing a third color beam, and a second beam-splitting element which is located between the second light source and the first beam-splitting element to reflect the second sub-beam. The third color beam passes through the second beam-splitting element and is transmitted to the first beam-splitting element. The second sub-beam, the second color beam and the third color beam are combined into an illumination beam.

Abstract: A projection display apparatus (1) includes a wavelength conversion element (11) that converts a wavelength of light from a light source, a driver (13) that rotates the wavelength conversion element, and an internal power supply (15) that stores power in advance and to be used for an operation of the projection display apparatus after a supply of power from an external power supply is cut off, and the driver rotates the wavelength conversion element at the predetermined number of rotations per unit time by using the power of the internal power supply.

Abstract: Provided is a luminescent wheel for a projector, which has a novel structure in which a phosphor layer is hard to break even if its thickness is reduced; a manufacturing method therefor; and a light emitting device for a projector. A luminescent wheel for a projector includes: a phosphor layer (11) which has a first principal surface (11a) and a second principal surface (11b) located on an opposite side to the first principal surface (11a) and is capable of being excited by the entry of excitation light to emit fluorescence; a first glass layer (12) provided on the first principal surface (11a) of the phosphor layer (11); and a second glass layer (13) provided on the second principal surface (11b) of the phosphor layer (11).

Abstract: A wavelength conversion element includes a wavelength conversion layer which has a first face on which an excitation light is incident and a second face facing the first face, a first layer which is provided facing the second face and contains a first inorganic oxide, a second layer which is provided facing the first layer, contains either silver or aluminum, and reflects the excitation light or a light obtained by wavelength conversion of the excitation light by the wavelength conversion layer, a third layer which is provided facing the second layer and contains a first metal other than silver or aluminum, a fourth layer which is provided facing the third layer and contains the first inorganic oxide or a second inorganic oxide that is different from the first inorganic oxide, and a fifth layer which is provided facing the fourth layer and contains a metal.

Abstract: A light module for providing light includes an excitation radiation source which is adapted to emit excitation radiation, at least one first phosphor which is adapted to at least partially convert the incident excitation radiation into conversion light and to generate with this conversion light a first light path, and a phosphor apparatus having a segmentation which has at least two different types of segments, with the segments of the first type comprising the first phosphor. The light module is designed for a periodic movement between an excitation beam that is coming from the excitation radiation source and is incident on the phosphor apparatus and the segmentation, in which there is at least one phase per period in which more than two segments are at least partially irradiated simultaneously by the excitation radiation.

Abstract: A projector includes a color wheel module and an optical engine. The color wheel module includes a rotation device, a mount, a color wheel, and an optical sensor. The color wheel is fixed on a rotary part of the rotation device. The rotation device and the optical sensor are fixed on the mount. The mount has an anti-dust structure includes a curved surface that is opposite to a rotary surface of the rotary part and extends in a rotation direction of the rotary part. The curved surface and the optical sensor are arranged sequentially in the rotation direction. Either by shortening a distance between the curved surface and the rotary surface or by a guiding slot that is disposed beside or lower than the curved surface, dust deposited on the optical sensor can be reduced effectively.

Abstract: A head up display arrangement for a motor vehicle includes a body that is at least partially transparent and that has a plurality of outer surfaces. An image source emits an illuminated image into a transparent portion of the body such that the illuminated image is internally reflected off the outer surfaces a plurality of times within the transparent portion of the body before leaving the body and then being reflected off of a windshield of the vehicle such that the illuminated image is visible to a driver of the vehicle.

Abstract: Camera device 1 for taking at least one image of a scene in front of the camera device 1, the camera device 1 comprising: a sensor-camera 2 with a main beam path, whereby the sensor-camera 2 comprises a sensor 3, an IR filter 4 and an objective 5, whereby the IR filter 4 is arranged between the objective 5 and the sensor 3, whereby light with a wavelength smaller than a cut-off range passes the IR filter 4 into the sensor 3 and light with a wavelength larger than the cut-off range is reflected by the IR filter 4 and, whereby the main beam path is from the objective 5 into the sensor 3, whereby the objective 5 comprises a final optical element 7, whereby the final optical element 7 is the optical element next to the IR filter 4, whereby the IR filter 4 is tilted by a tilting angle, so that most of the reflected light or all of the reflected light is guided away from the final optical element 7.

Abstract: A light source apparatus includes a first light source section that outputs blue light along a first illumination optical axis,the second light source section are arranged side by side and outputs excitation light along a second illumination optical axis substantially parallel to the first illumination optical axis, a reflection member that reflects the excitation light in such a way that the reflected excitation light travels along a third illumination optical axis that intersects the first illumination optical axis and the second illumination optical axis, a wavelength converter on which reflects converted light having a wavelength different from a wavelength of the excitation light, and a light combiner that is located in the position where the first illumination optical axis and the third illumination optical axis intersect each other and transmits the blue light and the excitation light but reflects the converted light.

Abstract: The invention discloses a light source module, a projection device and driving methods thereof, wherein a wavelength conversion device of the light source module has at least one wavelength conversion area for converting a blue beam provided by a blue light source into a converted beam, and the converted beam is transmitted to a wavelength selection element so that a first green beam is obtained by the wavelength selection element from at least a portion of the converted beam. According to the blue light source, a red light source, the wavelength conversion device and the wavelength selection element, the light source module provides an illumination beam corresponding to a first display mode or a second display mode.

Abstract: An iris diaphragm comprises a stationary ring, a rotatable adjusting ring, and a plurality of shutter blades. The plurality of shutter blades forms a diaphragm aperture inside the stationary ring and rotation of the adjusting ring moves the shutter blades inside the stationary ring whereby the size of the diaphragm aperture can be changed. The shutter blades are formed as a flat opaque surface and at least one of the shutter blades comprises at least one transparent region formed in said opaque surface. A light fixture comprises such iris diaphragm arranged between a light source generating a light beam and an optical assembly configured to project the light beam along an optical axis.

Abstract: Provided is a projection system, a light source system, and a light source assembly. The light source system (100) comprises an excitation light source (101), a wavelength conversion device (106), a color filtering device (107), a drive device (108), and a first optical assembly. The wavelength conversion device (106) comprises at least one wavelength conversion region. The optical filtering device (107) is fixed face-to-face with the wavelength conversion device (106), and comprises at least a first optical filtering region. The drive device (108) drives the wavelength conversion device (106) and the optical filtering device (107), allowing the wavelength conversion region and the first optical filtering region to act synchronously, and the wavelength conversion region is periodically set on the propagation path of the excitation light, thereby converting the excitation light wavelength into converted light.

Abstract: Disclosed is a laser-based device for use primarily for laser light effects. The laser device comprises multiple red, green, and blue lasers. Each laser has a lens to collimate and focus each individual beam. The lasers are aligned such that each laser shares a common output axis. The intensity of each laser is adjustable thereby allowing the overall output color of the device to change. The overall output has over 16 million colors. Each laser-based device has a gimbal-like system to allow the devices change theft orientation. A remote control system allows for the control and synchronization of multiple devices. Multiple devices may connect to the remote control system using cables, wireless transceivers, or both. Multiple devices may be located in close proximity to create a more powerful overall output beam. The remote control system allows for viewer interaction through an application installed onto a personal communication device.