Abstract: An illustrative example assembly includes a display having a first side for displaying at least one image and a second side facing opposite the first side. The display includes a first portion having a first plurality of layers between the first side and the second side. The display includes a second portion having a second plurality of layers between the first side and the second side. The second plurality of layers includes at least one additional layer more than the first plurality of layers. A camera is situated near the second side of the display with a field of view of the camera at least partially aligned with the first portion of the display.

Abstract: Emissive display devices having LED sources with super-lambertian radiation patterns. An exemplary emission source may have a half-emission-cone-angle of less than 40°. A system, such as an augmented reality display system, employing such an emissive display device may display a reduction in power of up to three times relative to LED sources with a lambertian radiation pattern. In some systems, such as augmented reality display systems, the optical path down stream of such an emissive display device may be simplified and/or dimensionally scaled, and/or manufactured to lower tolerances. For example, a discrete collimating lens may be eliminated from the optical path of such an emissive display device.

Abstract: This light source apparatus includes a wheel, a motor, a rotation member, and a contact member. The wheel includes a light emitter that is excited by excitation light and emits visible light, and a base that includes a first surface and a second surface opposite thereto, supports the light emitter on either one of the first and second surfaces, and has a first linear expansion coefficient. The motor generates rotational force for rotating the base. The rotation member is connected to the first surface of the base, rotates integrally with the base due to the rotational force of the motor, and has a second linear expansion coefficient different from the first linear expansion coefficient. The contact member is connected to the second surface of the base and has a third linear expansion coefficient whose magnitude relationship to the first linear expansion coefficient is equal to a magnitude relationship of the second linear expansion coefficient to the first linear expansion coefficient.

Abstract: An electronic candle lamp includes a housing, a flat plate, a fixing cylinder, a flame-like sheet, a connecting sheet, a pendulum, a magnet, an electromagnetic coil, a control circuit board, a spring, a first supporting rod, a second supporting rod, a bracket, a light emitting diode (LED) lamp, a convex mirror, and a battery pack. A through hole is defined at a connection of the flame-like sheet and the connecting sheet through which the second supporting rod passes. The flame-like sheet is suspended on the second supporting rod via the through hole. The battery pack is electrically connected to the control circuit board. The control circuit board is electrically connected to the electromagnetic coil and the LED lamp, respectively.

Abstract: A light emitting device includes: a substrate (40); blue light emitting elements (10) arranged on the main surface of the substrate (40); and a phosphor sheet (30) containing a phosphor that is excited by emission light from the blue light emitting elements and emits excitation light, the phosphor sheet (30) being disposed above the blue light emitting elements (30), wherein the blue light emitting elements (10) includes first blue light emitting elements (11) which emit first emission light having a first wavelength taken as a peak wavelength of a light emission spectrum, and second blue light emitting elements (12) which emit second emission light having a second wavelength taken as a peak wavelength of a light emission spectrum, and the second wavelength being a longer wavelength than the first wavelength by a wavelength difference of at least 10 nm.

Abstract: A dispensing and ultraviolet (UV) curing system is disclosed with low backscatter. The system includes a dispenser for dispensing an ultraviolet (UV) curable material onto a substrate and a UV radiation source assembly coupled to the dispenser and operable to facilitate curing the UV curable material that has been dispensed onto the substrate. The UV radiation source assembly has a UV radiation source with a first optical axis and an optical element with a second optical axis. The second optical axis is different than the first optical axis. The optical element is configured such that, during operation, UV radiation from the UV radiation source passes through the optical element.

Abstract: A color wheel module includes a fixing bracket, a carbon-iron alloy bracket, a motor, an optical filter, a first damper, and a second damper. The carbon-iron alloy bracket is fixed to the fixing bracket. The motor is fixed to the carbon-iron alloy bracket, and the motor is connected with the optical filter, so as to drive the optical filter to rotate between the motor and the fixing bracket. The first damper is disposed between the carbon-iron alloy bracket and the fixing bracket. The second damper is disposed between the motor and the carbon-iron alloy bracket.

Abstract: A lighting device (1, 11, 21) comprising a substrate (4, 14, 24), a plurality of light sources (3, 13, 23), and a housing (2, 12, 22) of a light transmissive material. The substrate has a first side (4a, 14a, 24a) and a second side (4b, 14b, 24b) and the plurality of light sources are arranged on the first side of the substrate. The light sources have a common general output direction. The housing is arranged to transmit light surrounding the substrate, having a first portion (2a, 12a, 22a) of said housing and a second portion (2b, 12b, 23b) of the housing arranged substantially opposite the first portion with respect to the substrate. The plurality of first optical elements (6, 16, 26) may be arranged substantially opposite the output direction of the plurality of light sources along the first portion of the housing facing the first side of the substrate. The substrate is adapted to allow transmission of light.

Abstract: The various implementations described herein include systems and devices that comprise a cooling structure. In one aspect, a camera system comprises a cooling structure made from a thermally conductive material. The cooling structure has an exterior surface, an interior surface, a hollow portion, and a sidewall. The sidewall includes a through hole that penetrates the sidewall. The exterior surface includes surface features and is configured to radiate away from the cooling structure heat generated within the hollow portion that is transmitted from the interior surface to the exterior surface. The camera system further comprises a camera contained within the hollow portion of the cooling structure, a first electrical component that is embedded in the through hole, electrical components contained within the hollow portion, and an external housing that at least partially encloses the cooling structure.

Abstract: A special effects apparatus for generating an illusion of a moving beam of light in midair. The apparatus includes a light source, such as a laser light source outputting colored light, generating a beam of light that is aimed along a linear light travel path. The apparatus further includes a dynamic light receiving assembly, and this assembly includes: an elongated support rod; a light receiving element attached to a first end of the support rod; and a driver coupled to a second end of the support rod opposite the first end of the support rod. The driver rotates the support rod about the second end at a high rotation rate, and the light receiving element moves along an arcuate travel path that intersects the linear light travel path of the beam of light. The arcuate travel path of the light receiving element and the linear light travel path are coplanar.

Abstract: In one aspect, optic assemblies are provided comprising a collimating optic directing light along a collimation axis and light redirection elements comprising facets for redirecting a portion of the light in one or more directions away from the collimation axis.

Abstract: A centrifugal compressor for a turbocharger includes an inlet-adjustment mechanism operable to move between an open position and a closed position. The inlet-adjustment mechanism includes a plurality of blades disposed about the compressor air inlet and located between an upstream wall surface and a downstream wall surface of an annular space within the air inlet wall. The blades are pivotable about respective pivot points such that the blades extend radially inward from the annular space into the air inlet when the blades are in the closed position so as to form an orifice of reduced diameter relative to a nominal diameter of the inlet. Aerodynamic pressure balancing across the blades is achieved by spacing features that space a majority of the upstream surface of each blade from the opposing upstream wall surface.

Abstract: A light source unit according to an embodiment comprises: a support member that supports a heat generator, a heat transfer member connected to the support member, and a heat dissipating member connected to the heat transfer member all of which are provided inside a space formed by a case and a cover. The heat dissipating member is arranged to extend from the inside of the space to an outside of the space via a space sandwiched by the case and the cover.

Abstract: A headlamp for a motor vehicle, in particular a front headlamp, includes a first illumination device and a second illumination device for jointly generating a light distribution in front of the headlamp. The first illumination device is provided for generating a static portion of the light distribution and the second illumination device is provided for generating a dynamic portion of the light distribution. The second illumination device has a multi-aperture projection display having an illuminant and a planar digital image generator and also an array of projection lenses. The digital image generator has segments having a variable division of the respective segment into transmissive and light-non-transmissive regions. Each projection lens is assigned to a segment of the digital image generator, such that upon illumination of the array by the illuminant at least some of the segments are projected in front of the headlamp by the assigned projection lenses.

Abstract: The present disclosure relates to an apparatus for simulating a black body spectrum. The apparatus makes use of a broadband light source and a light guide configured to receive light generated by the light source and to generate first and second optical signals. A first signal processing subsystem may be used to enable adjustment of both a signal spectrum and an intensity of the first optical signal. A second signal processing subsystem may be used to enable adjustment of both a signal spectrum and an intensity of the second optical signal. A beam cube may be used to combine the first and second optical signals to produce a final light output signal having a desired signal spectrum and a desired intensity.

Abstract: Illumination devices based on quantum dot technology and methods of making such devices are described. An illumination device includes a substrate having a plurality of microLEDs, a beam splitter, and a film having a plurality of quantum dots. The beam splitter includes a plurality of layers and is disposed between the substrate and the film having the plurality of quantum dots.

Abstract: An apparatus comprising a length of strip light populated with a plurality of light fixtures, the apparatus configured to be removably attachable to an imaging device; wherein, when the apparatus is attached to the imaging device: the apparatus surrounds the imaging device but does not occlude one or more cameras of the imaging device that are located about the imaging device, such that the apparatus and light emitted by the strip light do not obscure or distort a respective field of view of the one or more cameras; and the plurality of light fixtures of the strip light are controllable to selectively emit light into the environment that surrounds the imaging device.

Abstract: A street light system and operation method thereof are provided. The street light system includes a master street light device and a slave street light device. The master street light device includes a first light emitting module, a sensing module, a first microcontroller, and a first driving circuit. The slave street light device includes a second light emitting module, a second microcontroller, and a second driving circuit. The sensing module obtains a temperature, a relative humidity, and a dust concentration. The first microcontroller calculates a light attenuation rate according to the temperature, the relative humidity, and the dust concentration. The first driving circuit drives the first light emitting module according the light attenuation rate. The second microcontroller obtains the light attenuation rate. The second driving circuit drives the second light emitting module according the light attenuation rate.

Abstract: The present invention provides a multi-channel light sensor comprising a fragmented lens and a camera sensor; wherein the fragmented lens comprises lens elements; and wherein each lens element comprises an own optical axis and is adapted to direct light from a spatial area onto the camera sensor such that the light intensities of different spatial areas are spatially resolved on the camera sensor. Furthermore, a system is provided, which comprises at least one such multi-channel light sensor, at least one lighting device, and a light management device; wherein the light management device is adapted to receive the light intensities of the different spatial areas from the multi-channel light sensor; and wherein the light management device is adapted to control the at least one lighting device on the basis of the light intensities of the different spatial areas.

Abstract: A system for temporarily disabling selected occupants of an area includes one or more flashing units and one or more eye protection units. Each flashing unit includes a light source that generates flashes of light sufficiently bright to temporarily disable people who see the flashes. Each eye protection unit includes a shutter that blocks light while the flashes are being generated. Each flashing unit and each eye protection unit stores data that specifies when the flashes will occur, and are synchronized with each other to ensure that the shutters are closed during each flash. A controller in each flashing unit and a controller in each eye protection unit is configured to change, at coordinated times, the data that specifies when the flashes will occur. In some embodiments, the light source comprises LEDs and the flashing units have heat sinks configured to absorb heat generated by the LEDs.

Abstract: A wavelength conversion device includes a main body, at least one wavelength conversion layer, at least one heat dissipation plate, a heat conducting component and a driving unit. The wavelength conversion layer is disposed on the main body. The heat dissipation plate is disposed on a side of the main body with an interval. The heat conducting component is connected between the heat dissipation plate and the main body. The driving unit is connected to the main body and the heat dissipation plate and adapted to drive the main body and the heat dissipation plate to rotate. The driving unit and the heat conducting component have a gap therebetween. In addition, a projector including the wavelength conversion device is also provided. The wavelength conversion device according to the disclosure has good heat dissipation efficiency.

Abstract: An apparatus for a theatrical lighting instrument including a light source, which emits light in a light path; a lens located in the light path, and which receives light from the light source and projects light from the light source; a computer memory; and a computer processor. The apparatus may also include first pluralities and second pluralities of cyan, magenta and yellow color filters, each filter including a variable density color filter operated upon by a motor configured to traverse each filter in and out of the light path. Each variable density color filter of the first pluralities of filters may include a high saturation color pallet. Each variable density color filter of the second pluralities of filters may include a low saturation color pallet. The computer memory may include software to multiplex the traversing of the first and the second pluralities of filters to one or more control channels.

Abstract: A lighting fixture comprising: at least one movable element; at least one rotary actuator coupled to the movable element to move the movable element; a position sensor comprising a linear transducer coupled to the rotary actuator and comprising a slider; wherein the linear transducer is configured to move the slider along a path by a displacement proportional to an angular displacement of the rotary actuator; the position sensor comprising a detection module for detecting the position of the slider along the path; the position sensor being configured to calculate the absolute displacement of the movable element based on the detected position of the slider along the path; preferably the path extending along an axis.

Abstract: A centrifugal compressor for a turbocharger includes an inlet-adjustment mechanism in an air inlet for the compressor, operable to move between an open position and a closed position in the air inlet. The inlet-adjustment mechanism includes a plurality of blades disposed about the air inlet and each pivotable about one end of the blade, the blades extending through a slot in the air inlet wall when the blades are in the closed position so as to form an orifice of reduced diameter relative to a nominal diameter of the inlet. Movement of the inlet-adjustment mechanism from the open position to the closed position is effective to shift the compressor's surge line to lower flow rates.

Abstract: Disclosed are a fluorescent color wheel and a projector. The fluorescent color wheel includes a substrate; and a light converting part, a light transmitting part, and a light absorbing part, which are provided on one side of the substrate and arranged along the circumference of the substrate, wherein the light emitted from the light converting part can exit from said side of the substrate.

Abstract: A variety of light-emitting devices for general illumination utilizing solid state light sources (e.g., light emitting diodes) are disclosed. In general, the devices include a scattering element in combination with an extractor element. The scattering element, which may include elastic and/or inelastic scattering centers, is spaced apart from the light source element. Opposite sides of the scattering element have asymmetric optical interfaces, there being a larger refractive index mismatch at the interface facing the light emitting element than the interface between the scattering element and the extractor element. Such a structure favors forward scattering of light from the scattering element. In other words, the system favors scattering out of the scattering element into the extractor element over backscattering light towards the light source element.

Abstract: A street light device includes a light emitting module, a driving circuit, a sensing module, and a microcontroller. The light emitting module includes a first light emitting unit and a second light emitting unit. The sensing module obtains a temperature, a relative humidity, and a dust concentration. The microcontroller calculates a light attenuation rate according to the temperature, the relative humidity, and the dust concentration. The microcontroller controls the driving circuit according to the light attenuation rate to drive the first light emitting unit and the second light emitting unit, so that a color temperature ratio between the first light emitting unit and the second light emitting unit is determined according to the light attenuation rate.

Abstract: A light-enhancement device includes a wavelength conversion member and a wavelength controlling element. The wavelength conversion member includes a light-transmissive substrate and wavelength conversion material which is disposed within the light-transmissive substrate for converting a portion of light with a first wavelength into another light with a second wavelength. The wavelength controlling element is disposed on a surface of the light-transmissive substrate for reflecting another portion of the light with the first wavelength into the light-transmissive substrate and enabling the portion of the light with the second wavelength to pass through the wavelength controlling element. A roughness of the surface of the light-transmissive substrate facing towards the wavelength controlling element is configured to be 0-1 ?m.

Abstract: A light emitting module is provided that has a diffusion lens that both reduces lens radius and renders uniform light luminance by preventing luminance non-uniformities caused by lens radius reduction. The light emitting module includes a circuit board, a light emitting device mounted on the circuit board, and a diffusion lens that controls the light emitted from the light emitting device and is installed on the circuit board so as to be located above the light emitting device.

Abstract: A lighting apparatus includes: an illuminator including a light source which emits illumination light; a lighting controller which controls the illuminator; and a receiver which receives, from a control apparatus, a control command signal generated based on at least one of user information and environmental information in order to control the illumination light of the illuminator, wherein the control command signal received by the receiver includes one or more parameters including, as an element, at least one of a brightness of the illumination light of the illuminator, a color temperature of the illumination light of the illuminator, and control time for controlling the illumination light of the illuminator.

Abstract: A lighting apparatus and a mobile terminal controlling the same are disclosed. The lighting apparatus comprises a light source module generating light; and an electrochromic module varying a wavelength of light incident from the light source module, wherein the electrochromic module absorbs light of a specific one among wavelength ranges of the light incident from the light source module, in accordance with a lighting mode which is input. The mobile terminal controlling a lighting apparatus, which includes a light source module and an electrochromic module, comprises an input module receiving a user input; a communication module transmitting a lighting control signal to the lighting apparatus; a display module displaying a setup window for setting a lighting mode of the lighting apparatus; and a controller controlling the input module, the communication module and the display module.

Abstract: A projection optical apparatus includes an optical system and a projection optic enclosure that accommodates the optical system. The optical system includes a first optical system on which the image light is incident, and the projection optic enclosure includes a first accommodation section that accommodates the first optical system and includes a flange section (supported section) supported by the image forming apparatus and a first wall section and a second wall section that face each other in a first direction (Y direction) that intersects the direction along a line that connects the flange section to the center of gravity of the projection optical apparatus.

Abstract: A light source apparatus includes a plurality of light source modules each including at least one light source unit, light guide lines connected respectively to the light source units, and a casing accommodating the plurality of light source modules and the plurality of light guide lines. The light guide lines are led from the light source units so as not to intervene in the plurality of light source modules when viewed in a direction perpendicular to an array direction of the plurality of light source modules. The plurality of light source modules are separately attachable and detachable in the direction perpendicular to the array direction of the plurality of light source modules.

Abstract: A wavelength converting module includes a wavelength converting unit. The wavelength converting unit is at least made of a phosphor material. The wavelength converting unit is a solid rod-shaped structure, in which two opposite end surfaces of the rod-shaped wavelength converting unit are a light-entrance surface and a light-exit surface respectively.

Abstract: The present disclosure discloses an LED display panel including at least a thin film transistor array layer, a quantum dot light emitting layer, and an LED array layer arranged between the thin film transistor array layer and the quantum dot light emitting layer, when the LED array layer emits excitation light, the excited quantum dot emits light to emit at least two colors of light. The present disclosure can reduce the production cost and greatly improve the production yield, and can effectively reduce the energy consumption of the display panel and improve the service life.

Abstract: An apparatus for a theatrical lighting instrument including a light source, which emits light in a light path; a lens located in the light path, and which receives light from the light source and projects light from the light source; a computer memory; and a computer processor. The apparatus may also include first pluralities and second pluralities of cyan, magenta and yellow color filters, each filter including a variable density color filter operated upon by a motor configured to traverse each filter in and out of the light path. Each variable density color filter of the first pluralities of filters may include a high saturation color pallet. Each variable density color filter of the second pluralities of filters may include a low saturation color pallet. The computer memory may include software to multiplex the traversing of the first and the second pluralities of filters to one or more control channels.

Abstract: An optical mixer for a vehicle lighting device having a light source and an optical fiber panel that inputs light from the light source. The optical mixer includes a light input face configuration to input light from the light source, and a light output face configured to output light to the input to panel. A sidewall connects the light input face to the light output face. The optical mixer is configured to provide output light from the output face having greater spatial uniformity than input light entering the input face.

Abstract: An imitation flame lamp head includes a mounting base, a drive device, an elastic shaft, a flame piece and an illuminant. The drive device is fixed in the mounting base, an upper end of the elastic shaft is fixed to a lower end of the flame piece, the flame piece is protruded outwards the mounting base, the illuminant is configured inside the mounting base to emit lights to a side of the flame piece, and the elastic shaft is driven by the drive device to actuate the flame piece to swing. The lamp displays flaming and flickering effect of faux flame to achieve an excellent imitation effect.

Abstract: To provide a phosphor wheel capable of restraining vibration caused by a driving unit for rotatably driving a wheel and reducing noise in a high frequency band. The phosphor wheel includes: a wheel substrate that has a surface on which a fluorescent material is provided; a driving unit that rotates the wheel substrate; a support portion that supports the driving unit and is fixed to a housing; and a buffer member that is provided to fill a space between the support portion and a part of the housing.

Abstract: An automated dimming load controller automatically measures the relationship between the current draw and the dimmer setting for each light or group of lights connected to the load controller. Once measured, the relationship between the current draw and the dimmer setting can be used to enable the dimmer controller to adjust the lights between their minimum and maximum effective illumination. This automatic setting of the dimmer controller may be performed regularly to accommodate changes in performance or replacement of any of the connected lights, drivers or ballasts.

Abstract: The present invention provides an LED plane light source lamp, which includes a bottom plate; four side plates set on four sides of the bottom plate, respectively; a plurality of circuit boards set on the bottom plate symmetrically and electrically connected to each other in parallel; a plurality of LEDs set on the bottom plate and arranged in an array; a power supply set on the bottom plate and providing electrical power to the LEDs; and a fogging film set opposite to the bottom plate on the side plates; wherein the fogging film scatters the lights of the LEDs to provides a uniform plane light source.

Abstract: A light emitting device includes a light source module comprising an excitation light source for emitting exciting light and a compensation light source for emitting compensation light; and a color wheel component, comprising at least one segmented region distributed in a motion direction of the color wheel component. The color wheel component emits the compensation light and first light that comprises at least one beam of excited light under irradiation of the excitation light source and the compensation light source. The compensation light spectrally overlaps the at least one beam of excited light in the first light, and the compensation light and the excited light spectrally overlapping the compensation light are simultaneously emitted and are independently adjustable. A projection system comprising a light emitting device is further provided.

Abstract: A luminous light emitting device according to an aspect of the invention includes a motor, a luminescent wheel which is rotated by the motor, and a wheel cover which covers part of the luminescent wheel, and the wheel cover has a plurality of internal heat dissipating plates which are disposed so as to extend from a central portion towards an outer circumference of the luminescent wheel in an inside thereof.

Abstract: A lighting apparatus includes: a white light source; a blue light source; a reflector layer which reflects light; a light diffuser layer which is light transmissive and disposed on an anterior surface side of the reflector layer; and a scatter panel which is light transmissive and disposed on an anterior surface side of the light diffuser layer to face the light diffuser layer. At least a portion of a gap between the scatter panel and the reflector layer and at least a portion of a gap between the scatter panel and the light diffuser layer change from a first end side to a second end side of the lighting apparatus. The white light source and the blue light source are disposed on the first end side of the lighting apparatus to emit light toward the light diffuser layer and the scatter panel.

Abstract: A lighting device 5 having: a plurality of light sources 7 arranged in a line; each of said light sources 7 having a condenser lens 8 arranged in the optical path 11 of the respective light source 7, wherein said condenser lenses 8 are designed such that light is focused at least in a first plane XZ; at least one cylinder lens 9 in form of a Fresnel lens, arranged in the direction of the optical path behind the condenser lenses 8 wherein said cylinder lens 9 is designed such that light is focused in a second plane YZ, which second plane YZ is arranged traverse to the first plane XZ; and an optical diffuser 10 arranged in the direction of the optical path behind the cylinder lens 9, wherein the optical diffuser 10 is designed such that light is diverged and homogenized in the first plane XZ.

Abstract: A light assembly is configured to provide a uniform light pattern onto a target, and may include a housing, a light source retained within the housing, wherein the light source is configured to generate a generated light beam, and a light homogenizer retained with the housing and disposed within a light path downstream from the light source. The light homogenizer includes a main body having an input end and an output end, and is configured to receive the generated light beam at the input end. The light homogenizer is configured to homogenize the generated light beam and output homogenized light at the output end. A focusing lens may be moveably retained with the housing and disposed within the light path downstream from the light homogenizer. The focusing lens is configured to focus the homogenized light onto the target.

Abstract: A color wheel assembly includes a color wheel fixed in a housing and a detecting apparatus for generating a synchronization signal. The color wheel is driven to rotate and has a marking object rotating with it. The housing has a first surface parallel to and adjacent a surface of the color wheel where the marking object is located. The first surface of the housing has a first through hole at a location within an annular region corresponding to the marking object when the color wheel rotates by one revolution. The detecting apparatus is disposed on the back side of the first through hole and a probe head of the detecting apparatus is disposed in the first through hole for detecting the marking object on the color wheel. The structure insulates the probe head from heat emitted from the color wheel. A related light source system is also disclosed.

Abstract: A crowd control lighting system includes a plurality of light emitting diode (LED) lights. Each light is configured to emit a flashing directional light beam to at least partially overlap and illuminate a common illumination zone. The common illumination zone is selectable from a plurality of illumination zones and is exterior to a dark zone not illuminated by the plurality of lights.

Abstract: A quantum dot includes a nanocrystalline core and an alloyed nanocrystalline shell made of a semiconductor material composition different from the nanocrystalline core. The alloyed nanocrystalline shell is bonded to and completely surrounds the nanocrystalline core.

Abstract: The invention disclosures an LED imitation filament bulb which belongs to the field of lighting appliance technologies, it solves the problem that LED imitation filament bulb produces the poor line pattern, the LED imitation filament bulb, including a glass shell, a lamp holder fixedly connected to the glass shell, and a LED lamp bead connected within the glass shell, where the LED lamp bead is electrically connected to the lamp holder; at least one imitation filament connected to the lamp holder is disposed within the glass shell; the imitation filament is transparent; the imitation filament is disposed in a bent manner; and a luminous surface of the LED lamp bead faces an end surface of the imitation filament. the LED imitation filament bulb has a luminescence effect of a traditional filament bulb; and the imitation filament bulb is more energy-saving compared with a traditional filament bulb.