Abstract: A rotary-type valve device is provided, and includes: a tubular valve having an inner passage Ip and opening parts opened in an outer circumferential wall and rotating about a predetermined axial line a shaft rotating integrally with the valve, a housing accommodating the valve, supporting the shaft to be able to turn, and defining a communication port causing the inner passage to communicate with outside; a passage member assembled in the housing such that that the passage member abuts on an outer circumferential wall of the valve and defining a radial-direction passage. The valve includes a recessed part in the axial line direction and surrounding one end part of the shaft. The housing includes a tube part inserted into the recessed part and supporting the one end part and a support hole supporting the other end part of the shaft.

Abstract: A valve assembly includes a housing, a segmented stem, a ball segment, a biasing element, and an adjustment bolt. The housing includes a flow duct connecting a first flow opening to a second flow opening and a neck defining an elongated chamber. The segmented stem includes an upper portion and a lower portion, wherein the upper portion is positioned within the elongated chamber and the lower portion is coupled to the housing. The ball segment includes a first attachment portion, a second attachment portion, and a curved portion extending between the first attachment portion and the second attachment portion. The biasing element is positioned between the first attachment portion and the upper portion. The adjustment bolt is coupled to the lower portion, wherein the biasing element and the adjustment bolt adjusts the ball segment toward a seated position when the ball segment is rotated to a closed position.

Abstract: A vacuum valve or door having a closure plate for closing an opening in a wall. The opening has opposing first and second longitudinal edges and shorter opposing first and second transverse edges. A sealing unit seals the closure plate against the wall in the closed position. The sealing unit includes a supporting frame having opposing first and second longitudinal legs and shorter opposing first and second transverse legs, on which supporting frame there is mounted on one side a circumferential closure plate seal and on the other side a circumferential wall seal. The supporting frame is secured to fastening points on the wall, with central portions of the first and second longitudinal legs being free with respect to the wall, or the supporting frame is secured to fastening points on the closure plate, with the central being free with respect to the closure plate.

Abstract: A pinch valve assembly has opposing pinch members for pinching oppositely against a fluid conduit sleeve and a hydraulic displacement mechanism acting on the opposing pinch members. The hydraulic displacement mechanism a hydraulic displacement push rod coupled to a first pinch member at one end and penetrating a hydraulic reservoir at an opposite end to displace hydraulic fluid therein and a pinch member push rod penetrating the hydraulic reservoir at one end and coupled to a second pinch members at an opposite end. As the first pinch member moves towards the sleeve to pinch against one side of the sleeve, the at least one hydraulic displacement push rod moves into the hydraulic reservoir to displace hydraulic fluid therein to cause the pinch member push rod to be pushed from the hydraulic reservoir under pressure to push against the second pinch member to pinch against an opposite side of the valve.

Abstract: A method for using a pre-assembled coupling assembly, the method including providing a pipe fitting defining an inner end and an outer end, the pipe fitting defining an axis; axially inserting the inner end of the pipe fitting into a gasket, a portion of the pipe fitting within the gasket positioned radially outward from a portion of the gasket; and assembling a housing around the gasket, the housing and the gasket forming a coupling, the coupling retained on the inner end of the pipe fitting when the coupling is in a relaxed position.

Abstract: One embodiment provides a method and apparatus for suspending air conditioning duct works from a support structure comprising unistrut type support beams which apparatus includes a plurality of support brackets arranged and configured for being slidably interlockable with the interior of the unistrut beam members. The support brackets can be slid inside the interior of the support beam until adjacent a support beam which support beam can be connected to the support bracket. In like manner additional support brackets can be inserted into the interior of the support beam members to be adjustably located next to their respective support rod. In such manner multiple support rods can be used to support a frame member even where the support rods are not symmetrically located along the length of the support beam as the support bracket can be slid/moved inside the support beam until lining up with its respective support rod.

Abstract: A multi-diameter clipping mechanism includes an adhesive member, a connecting member, a first and a second clipping members, and an engaging member. The connecting member is connected to the adhesive member. The first clipping member has a guiding trough and a resilient arm. The second clipping member and the engaging member are assembled to the first clipping member. The second clipping member has an engaging tongue and unidirectionally inclined teeth. The engaging member has an engaging salient and a press portion at two ends thereof. When the second clipping member enters the guiding trough, one of the teeth engages with the engaging salient. When the press portion is pressed against the resilient arm by an external force, the engaging member pivots against the first clipping member to disengage the engaging salient from the tooth, thereby making the second clipping member leave the guiding trough.

Abstract: A spring clamp marker assembly is composed of interconnecting spring clamp hose markers that provide a positive and easily changeable means for marking hoses used to maintain HVAC equipment and for any other suitable application. The interconnecting spring clamp hose markers may also be used with power cables or other linear items with a generally circular cross section.

Abstract: An inflation pump connector includes a housing a sliding groove extending along a longitudinal axis and a pressing device slidably received in the sliding groove. The pressing device includes an airtight ring and a clamping member. The clamping member includes a base and a first claw. The first claw includes a first clamping arm, a first pressing portion, a second clamping arm, and a first hollow portion. The first clamping arm is connected to the base. The first pressing portion is connected to an end of the first clamping arm opposite to the base. The second clamping aim is connected to the first pressing portion. The first hollow portion is disposed between the first clamping arm and the second clamping arm. The first pressing portion is movable towards the longitudinal axis and to squeeze and deform the airtight ring.

Abstract: An inflatable air nozzle connector comprises a clamping component, an airtight ring and a shell sleeve, the airtight ring is disposed in the clamping component; the shell sleeve is capable of slidably sleeving on an outer periphery of the clamping component and displacing between a pressing position and a releasing position. When the shell sleeve displaces downward to the pressing position, the clamping component is pressed, so that clamping jaws of the clamping component compress the airtight ring; when the shell sleeve displaces upward to the releasing position, the clamping jaws are not pressed, and the clamping jaws do not compress the airtight ring. When a user pushes or pulls the shell sleeve single-handedly, the inflatable air nozzle connector is capable of airtightly sleeving on an air nozzle of a tire, or separating from the air nozzle of the tire, making operation of inflating tire more convenient.

Abstract: A flow splitter may include an inlet, at least two outlets, and an internal vane comprising a first end corresponding to the inlet and a second end corresponding to the at least two outlets, wherein the internal vane is configured to turn, between the first end and the second end, an internal flowing fluid from 0 degrees to a degree between about 60 degrees and 150 degrees. Methods of dividing fluid flow are also provided.

Abstract: A plug removal tool may include a mount for attaching the plug removal tool to a structure and a plug nut. Additionally, the plug removal tool may include at least one rigid arm extending between the mount and the plug nut. Further, the at least one arm may have at least one translational degree of movement and at least one rotational degree of movement.

Abstract: The present invention relates to the field of rotary imaging, in particular to a rotary imaging system, a rotary imaging method and a rotary device. A rotary imaging system of a rotary device comprises a rotating body with a lamp belt module group; a circuit board installed on the rotating body, the circuit board rotating synchronously with the rotating body; an acceleration detection component installed at a predetermined position on the circuit board for acquiring acceleration detection data at the predetermined position when the circuit board rotates; and a control module used for obtaining an acceleration value of the predetermined position based on the acceleration detection data, further obtaining a rotation speed value of the circuit board based on the acceleration value and a position parameter corresponding to the predetermined position, and driving the lamp belt module group to realize rotary imaging based on the rotation speed value.

Abstract: Support systems and stands for electronic devices include tilt hinges, lift arms, and their component parts. Some tilt hinges include assemblies for guiding and retaining bars or protrusions into preferred positioning within receiver openings to unify the parts, particularly as they move, and to reduce wobble or slop in the joints. Lift arms provide simplified and low-cost guidance and counterbalance mechanisms for controlling movement of the electronic device relative to the base of a stand. In some cases, the lift arms have sheaths to help protect or cover mechanisms while allowing additional space for the mechanisms within the lift arm. Other interconnection systems hide and protect a connector interface between the stand and the electronic device within a housing until unlocked and the connector is moved into an exposed position. These systems improve efficiency, comfort, ergonomics, accessibility, and user satisfaction of the electronic devices and their supports.

Abstract: A stand system for a portable electronic device includes a column having a top end removably couplable to the portable electronic device; and a foundational platform, wherein the foundational platform is rotatably coupled to the column. Other aspects are described in the claims, drawings, and text forming a part of the present disclosure.

Abstract: A floor supported free standing dispenser assembly including a fluid dispenser coupled to an upper end of the dispenser assembly and a fall arrest bumper member which will engage with a floor to reduce damage from any impact with the floor should the stand or dispenser assembly be tipped over.

Abstract: A width-adjustable support stand has two leg pairs, each composed of two legs interconnected by a length-adjustable cross-rail. Each cross-rail features a pair of rail stubs that are attached to inner sides of the two legs and are telescopically received in hollow cavities of a rail hub at opposing ends thereof. Each rail stub has a pair of slide guides engaged with corresponding slide guides on opposing internal walls of the respective hollow cavity, and also has upper and lower tongues riding in top and bottom slots of the rail hub between in-turned flanges thereof. To lock each leg pair at user-selected width, a lock slot in each rail stub is penetrated by a lock fastener that engages opposing sidewalls of the rail hub on opposite sides of the rail stub, so that tightening of the fastener clamps the rail stub firmly between the sidewalls of the rail hub.

Abstract: The invention discloses a multifunctional support stand, including a supporting assembly, a pan-tilt assembly, and a tripod assembly. The supporting assembly has a first end and a second end that are opposite to each other in a length direction thereof. The pan-tilt assembly is telescopically arranged on the first end of the supporting assembly. The pan-tilt assembly is configured to be placed with a load device. The tripod assembly is switchably arranged at the second end of the supporting assembly between a support position and a storage position. The invention proposes a multifunctional support stand. A supporting pan-tilt of the support stand may be stored in a supporting rod. A supporting frame may be folded on the supporting rod. The supporting pan-tilt may be adjusted at any supporting angle, and may be flexibly switchable among different supporting positions, thus realizing functions of supporting a small load device and a large load device.

Abstract: Pole mounts, pole mount kits, and poly mount assemblies are disclosed. Each kit and assembly includes a pole mount with a mounting bracket including a pair of coupling plates and at least one retaining plate. The pair of coupling plates is coupled to opposite ends of the at least one retaining plate. The at least one retaining plate defines a mounting area between the pair of coupling plates. The pole mount further includes at least two retaining brackets coupled to the at least one retaining plate. Each of the retaining brackets includes a base, opposing side walls extending from the base, and a front wall extending from the base and located between the opposing side walls. The base, the opposing side walls, and the front wall define a retaining area. The front wall defines a cutout region contiguous with the retaining area.

Abstract: A corner mounting system for self-aligning and self-leveling mounting of a mounting object in a corner between a left adjoining wall and a right adjoining wall includes: a left corner mounting device with left front and rear mounting surface; a right corner mounting device with right front and rear mounting surfaces; and optionally left and right lower support members; such that the left and right corner mounting devices can be connected between respectively the left and right adjoining walls, and left and right rear sides of the mounting object, using double-sided tape or screws, which can slide into notches of the left and right left corner mounting devices.

Abstract: The invention provides a lightweight hand-held stabilizer comprising a gimbal and a 7-shaped handle. The 7-shaped handle comprises a first connection arm (1) and a second connection arm (2), one end of the first connection arm (1) is rigidly connected to one end of the second connection arm (2), and a movable connector(s) is arranged at the end face of the other end of the first connection arm (1) and/or the second connection arm (2). The present invention can provide multiple using modes of the stabilizer handle, and the user experience of a stabilizer product is enhanced.

Abstract: The present invention is a pressure tank comprising a tubular part and two bottoms (5) with the bottoms (5) positioned at the ends of the tubular part. The tubular part comprises a cylindrical wall (1) and a ply of circumferential reinforcing elements (2) wound around cylindrical wall (1). The elastic modulus of the material of cylindrical wall (1) is less than the elastic modulus of the material of the first ply of circumferential reinforcing elements (2). The invention also relates to an energy storage and recovery system comprising a compressor, an expansion device, a heat storage and a compressed air tank according to the aforementioned characteristics.

Abstract: This high-pressure tank includes a resin liner constituting a hollow fluid filling part, a ferrule including a supply/discharge port which communicates with an internal space of the liner and a flange part which protrudes outward in a radial direction from a circumferential region of the supply/discharge port and abuts on the liner, and a reinforcing layer made of a fiber reinforced resin attached to cover across the liner and an outer circumferential surface of the flange part, in which a discharge hole allowing a gap between abutting surfaces of the flange part and the liner to communicate with an inside of the supply/discharge port and discharging a fluid accumulated between the liner and the reinforcing layer to the supply/discharge port is provided in the ferrule, and a trap groove surrounding a circumferential region of the discharge hole is provided on at least any one of the abutting surface on the flange part side and the abutting surface on the liner side.

Abstract: An insulating wall fixing device for liquefied natural gas storage tanks includes: a base socket; and a securing stud inserted into the base socket. The base socket is formed on an upper surface thereof with an insertion hole through which the securing stud is inserted into the base socket and has an interior space in which one end of the securing stud is settled. The securing stud includes an insertion portion inserted into the interior space of the base socket through the insertion hole and a fastening portion protruding from the insertion portion outwardly of the base socket. The insertion portion includes a spherical shape and multiple leg members divided by a groove formed from one end of the insertion portion to the other end of the insertion portion. The multiple leg members of the insertion portion are retracted toward the groove.

Abstract: Techniques facilitating low thermal conductivity support systems within cryogenic environments are provided. In one example, a cryostat can comprise a support rod and a washer. The support rod can couple first and second thermal stages of the cryostat. The washer can intervene between the support rod and the first thermal stage. The washer can thermally isolate the support rod and the first thermal stage.

Abstract: A hydrogen supplying device includes a liquid hydrogen pump, an evaporator, a pressure chamber configured to be filled with hydrogen gas flowing therein from the evaporator and to supply the filled hydrogen gas to a hydrogen engine, and a pump control unit configured to adjust a discharge flow rate of the liquid hydrogen pump based on both a flow rate of hydrogen to be supplied to the hydrogen engine and an actual pressure in the pressure chamber.

Abstract: According to aspects, hydrogen fueling systems and methods are provided, including vehicle-to-vehicle communication techniques, hydrogen cooling techniques and/or hydrogen dispenser control techniques that facilitate improving aspects of a hydrogen fueling station.

Abstract: A processing apparatus includes: a processing container configured to accommodate a substrate; a storage tank connected to the processing container via a gas supply pipe; a pressure sensor configured to detect a pressure in the storage tank; a valve provided in the gas supply pipe between the processing container and the storage tank; and a controller configured to control an opening degree of the valve based on the pressure in the storage tank detected by the pressure sensor.

Abstract: A compact precision illumination source mounts on a finger of a user for providing localized illumination for precision tasks such as surgical procedures and other tasks performed in dark or confined spaces. A frame having a circular or arcuate shape engages the finger, and secures an enclosure having a small but powerful bright, light focused on a predetermined region defined by the end of the digit that is likely the activity region for an instrument grasped by the digit. The frame engages a charge module for aligning external conductors for recharging a power supply in the illumination source.

Abstract: A plant lamp device with adjustable spectrum includes a light bar, a power supply and a controller. The controller and the power supply are electrically connected to the light bar. The light bar includes light beads emitting red light, blue light, far-red light, violet light, green light, and orange light. The light beads include a first bead group and a second bead group having different of red-to-blue-light irradiance ratios. The controller is used to turn on or off the light bar, so that the plant lamp device operates the first bead group to generate first growth spectrum, or operates the first bead group and the second bead group together to generate second growth spectrum, thereby meeting the needs of the plant growth stage, and switching between the first growth spectrum and the second growth spectrum.

Abstract: A vehicle light guide and a vehicle headlight which can improve long-distance visibility are provided. The vehicle light guide has a shape having an incident surface on which light from a light source is incident, a first reflective surface which internally reflects the light incident from the incident surface toward a front in a front-back direction in a vehicle-mounted state, a second reflective surface having a shape with an inclined portion inclined to a lower side in the front-back direction in the vehicle-mounted state across an edge side on the front in the front-back direction and internally reflecting the light reflected by the first reflective surface toward the front in the front-back direction, and an emission surface that emits the light internally reflected by the first reflective surface and the second reflective surface and emits a light distribution pattern to the front of the vehicle.

Abstract: A solid state headlight comprises: a light-emitting diode light source; an illumination micro-lens; a projection micro-lens; a collimating optic positioned between the light-emitting diode light source and the illumination micro-lens; a metal layer positioned between the illumination micro-lens and the projection micro-lens, the metal layer having an aperture; a high-reflectivity coating positioned between the metal layer and the illumination micro-lens, the high-reflectivity coating having a reflectivity of at least about 80%; and a low-reflectivity coating positioned between the metal layer and the projection micro-lens, the low-reflectivity coating having a reflectivity of at most about 20%.

Abstract: Sunlight incident in a lamp through a lens is prevented from being collected on a portion formed between a front end of a reflector and a lens holding frame through an opening formed in front of the portion. A vehicle lamp includes a light emitting portion, a lens that projects light emitted from the light emitting portion, a reflector including a first reflective surface that reflects light emitted from the light emitting portion toward the lens, an opening formed between a front end of the reflector and a frame, the frame that holds the lens, and a second reflective surface that is formed between the front end of the reflector and the frame, and reflects external light incident in the vehicle lamp through the lens.

Abstract: A mobile lighting device includes a housing unit inserted into a vehicle body, a light source unit mounted in the housing unit and configured to generate light, a lens unit mounted in the housing unit and configured to transmit the light generated in the light source unit, and a drive unit configured to move the housing unit in such a manner that the lens unit is selectively inserted into y or protrudes out of the vehicle body.

Abstract: A signal lighting device or lighting device, for a motor vehicle headlight, including light sources for emitting light rays and a light guiding body (LGB) with two light-emitting surfaces (LESs). The LGB includes a beam splitting device with a total internal reflection surface (TIRS), which totally reflects part of the incident light rays and deflects them from the light guide main propagation direction to one of the LESs. The TIRS has individual optical structures (OS), which allow incident light rays to pass through to the other LES. Each OS is designed as a recess in the TIRS, the recess, starting from an opening in the LGB, being delimited by lateral surfaces extending into the LGB. One lateral surface (the base surface) is oriented such that light rays pass through it toward the first LES.

Abstract: A lighting module for three-dimensional suspension imaging, includes a micro lens array and a micro image-text element, wherein a transparent medium layer is arranged between the micro lens array and the micro image-text element; the micro image-text element includes a micro image-text array corresponding to the micro lens array; and the micro image-text element is arranged in such a way that light is irradiated from the micro image-text array to the micro lens array through the transparent medium layer and forms a three-dimensional suspension image. The lighting module is used in a vehicle lamp, a vehicle accessory device and a vehicle, and can realize an image having a three-dimensional, suspension and dynamic effect, which image has a good visual effect.

Abstract: Utility pole system having a battery storage housing defining a top portion, a bottom portion, and an interior volume with an access opening extending through the top portion; a pole with an upper end and a lower end attached to the top portion of the battery storage housing; and means for moving the pole from the first position where the lower end of the pole covers the access opening of the battery housing, and a second position where the lower end exposes the access opening. The utility pole system might also include electrical components powered by a battery provided in the battery storage housing, such battery charged by utility power.

Abstract: Provided are a splice panel assembly, a backlight module and a display device. The splice panel assembly includes a plurality of light-emitting panels. Each light-emitting panel includes a base substrate. The front face of the base substrate is provided with a plurality of light-emitting elements arranged in an array. The side face of the base substrate is provided with at least one connection electrode. The light-emitting elements are electrically connected to the at least one connection electrode. The front face is connected to and not parallel to the side face. Two adjacent light-emitting panels are electrically connected to each other by the at least one connection electrode.

Abstract: The present invention is a mounting bracket that may be secured on top of a hollow piling, pipe, or pole and then used to mount a lighting fixture or other fixture thereto. It includes inner and outer walls extending downward from a flat base, where the walls of the piling, pipe, or pole may be disposed in the space between the inner and outer walls.

Abstract: A combination light socket and cable clip removably attaches to a variety of surfaces on a structure and removably attaches a variety of light sources to the clip. The clip has a stabilizing plate which has a guiding flap formed at one end and a post formed at an opposite end. A flexible multi-clip structure extends from the post toward the stabilizing plate. The flexible multi-clip structure includes means for clamping the clip to a structure, means for removably attaching electrical wire to the clip, and means for removably attaching a lightbulb socket to the clip. The clip may be injection molded using biodegradable materials and is useful for hanging lights from roof gutters and shingles.

Abstract: A steering mechanism includes a first rotating column, a second rotating column, and a middle rotating shaft. The first rotating column has a first inclined surface. A second inclined surface matching the first inclined surface is disposed at one end of the second rotating column. One end of the middle rotating shaft is secured to a center of a circle of the first inclined surface, and the other end thereof penetrates through a center of a circle of the second inclined surface. The second inclined surface rotates around an axis of the middle rotating shaft. A luminaire including the steering mechanism can irradiate light at different angles.

Abstract: A three-wire four-way LED lamp string, including a plurality of first LED lamps , a plurality of second LED lamps, a plurality of third LED lamps and a plurality of fourth LED lamps, further including: several first wires, wherein a first electrode of the first LED lamp is electrically connected with a first electrode of an adjacent second LED lamp through a first wire, a first electrode of the second LED lamp is electrically connected with a first electrode of an adjacent third LED lamp through a first wire, a first electrode of the third LED lamp is connected with a first electrode of an adjacent fourth LED lamp through a first wire, and a first electrode of the fourth LED lamp is electrically connected with a first electrode of an adjacent first LED lamp through a first wire.

Abstract: The application relates to a sensing device and a lighting device. The sensing device comprises a sensor provided with a glass window to transmit light and is configured to sense light incident upon the sensor; a circuit board, wherein one side of the circuit board is provided with the sensor; a Fresnel lens arranged above the sensor and configured to transmit light to the sensor; and a housing made from a flame-resistant material, wherein the housing comprises an accommodation space configured to accommodate the sensor and the circuit board, and the housing is provided with a center hole to expose the glass window. By adopting the technical solution, the sensor has flame-resistant performance.

Abstract: The invention provides a vapor chamber element (1000) comprising a first part (1100), a second part (1200), and a third part (1300), wherein the second part (1200) and third part (1300) are associated to the first part (1100), wherein the second part (1200) and third part (1300) are configured spatially separated with a first distance (d1) along a first length (L1), defining an opening (200) between the second part (1200) and the third part (1300); wherein the vapor chamber element (1000) comprises one or more vapor chambers (100) at least partially comprised by the second part (1200) and third part (1300); wherein the vapor chamber element (1000) further comprises one or more heat fin elements (2000), wherein the one or more heat fin elements (2000) comprise one or more heat fins (2100), wherein the one or more heat fin elements (2000) bridge the first distance (d1) and close a part of the opening (200).

Abstract: Example embodiments relate to compact luminaire heads. One example luminaire head includes a thermally conductive metal body that includes a plate-like portion, a tube portion, and at least one cooling fin. The plate-like portion extends in a longitudinal direction of the metal body and having a flat first surface and a second surface opposite the first surface. The tube portion extends in the longitudinal direction at the second surface. The at least one cooling fin extends away from the second surface adjacent to the tube portion. The luminaire head also includes at least one support substrate with a plurality of light emitting elements. The at least one support substrate is arranged against the first surface. The tube portion is shaped to receive in a first open end thereof a rigid cylindrical end portion of a mounting base, such as a pole for the luminaire head.

Abstract: A light-emitting carpet or light-emitting trim panel that employs a translucent polymer sheet that has a protective layer and a plurality of cavities configured to accept a plurality of light emitting diodes (LEDs) arranged to generate light where the LEDs are configured to align and project into the polymeric sheet cavities.

Abstract: A light source device includes a plurality of LED elements dispersed and arranged in a plane direction orthogonal to an optical axis, a first optical system that converts light emitted from each of the LED elements into collimated light; and a second optical system that focuses the collimated light. The first optical system includes a first collimating optical system including optical components disposed corresponding to the LED elements and a second collimating optical system including optical components disposed corresponding to the LED elements at the latter stage of the first collimating optical system. The second collimating optical system is capable of adjusting a relative optical positional relation with respect to the LED elements and the first collimating optical system when viewed in a direction of the optical axis in a state in which the LED elements and the first collimating optical system are fixed.

Abstract: A steering device includes a rotary part rotatably attached to a mobile body, and a grip part connected to the rotary part, wherein the rotary part includes a light irradiation part configured to emit light toward at least a portion of the grip part, the light irradiation part includes a light emitting element configured to emit light at an angle range that is determined in advance, and a lens configured to narrow the angle range of the light emitted by the light emitting element, and when an extension direction of the at least the portion of the grip part to which the light is emitted is assumed as a first direction, a direction perpendicular to a direction of an optical axis of the light emitted by the light irradiation part and to the first direction is assumed as a second direction, a plane including the optical axis and the first direction is assumed as a first plane, and a plane including the optical axis and the second direction is assumed as a second plane, the lens narrows the angle range of the ligh

Abstract: A light reflection assembly, a reflective light source device, and a lamp. The light reflection assembly includes first, second, third, and fourth side walls that enclose a reflection cavity having first and second openings at opposite ends. The first opening is within a first reference plane, and a first reference straight line perpendicularly intersects, at a first intersection within the first opening, the first reference plane. An included angle between a first straight line section that connects first and second end points and a portion of the first reference plane that overlaps the first opening is a first included angle, and an included angle between a second straight line section that connects third and a fourth end points and a portion of the first reference plane that overlaps the first opening is a second included angle, the first included angle being smaller than the second included angle.

Abstract: Provided are a quantum dot display panel, a preparation method, and a display device. The quantum dot display panel includes a backlight module, a quantum dot color filter structure, a first reflecting layer and a second reflecting layer. The quantum dot color filter structure is positioned on a light exit side of the backlight module. The quantum dot color filter structure includes at least a red quantum dot color filter unit, a green quantum dot color filter unit and a composite quantum dot color filter unit. The first reflecting layer is arranged on a side of the quantum dot color filter structure facing away from the backlight module. The first reflecting layer covers the red quantum dot color filter unit and the green quantum dot color filter unit. The second reflecting layer is arranged on a side of the backlight module facing away from the quantum dot color filter structure.