Abstract: A flat panel TV bracket includes a bracket body and a display hanging plate assembly. The bracket body includes a wall mounting plate, a first rocker arm and a second rocker arm. The display hanging plate assembly includes a hanging plate and a connector. The connector rotatably includes a support plate and a rotating plate. The support plate pivotally connects with a connecting block. The rotating plate fixedly connects with the hanging plate, the lower end of the rotating plate pivotally connects with the lower end of the support plate, and the upper end of the rotating plate slidably connects with the upper end of the support plate. The second rocker arm includes a rotating block; upper and lower arms; and upper and lower arm housings; and an air spring. The air spring rotatably connects with the lower arm on the rotating block and pivotally connects with the connecting block.

Abstract: A multi-function clamp with integrated universal mount for an electronic device, such as a camera phone or tablet computer is described. The clamp may be adapted to support the electronic device in a variety of configurations, such as placed upon a desktop, strapped to a user's hand or fastened to a multiple of photography stability devices, such as a tripod or shoulder rig. The clamp may also allow secure mounting of electronic device to a number of objects, such as a tree, handlebar, auto interior, etc. when used with elastomer, adhesive or hook and loop straps. The clamp may be used with an electronic control module that mounts to a shoe on the clamp and electronically connects with the electronic device. The clamp may be used in combination with a hot shoe for attachment to a conventional SLR camera, wherein a camera phone is either wirelessly or with a wire interfaced to the SLR so that activation of the camera phone simultaneously activates the SLR.

Abstract: An device for manually unlocking a holding mechanism to which a load is applied is disclosed. The device has an operating element which is to be operated manually for unlocking the holding mechanism via an operating force that increases as the load increases, a conversion mechanism which includes a force transfer element coupled to the operating element, and a trigger coupled to the force transfer element. In order to unlock the holding mechanism the trigger is movable by the operating force transferred by the force transfer element to the trigger from a locked position in which the trigger is operatively decoupled from an unlocking component into an unlocked position in which the trigger is in contact with the unlocking component and unlocks said holding mechanism. The conversion mechanism includes an elastically deformable force limiter via which the force transfer element is coupled to the trigger.

Abstract: A projection device includes a hanger support and a projector connected to the hanger support and configured to project audio/video/image contents. The hanger support includes a coupling portion, a supporting arm, and a main body. The coupling portion is configured to connect to a track for receiving power from the track. The supporting arm is connected to the coupling portion. The main body is connected to the supporting arm.

Abstract: A system for storing natural gas comprises a plurality of straight sections of tube. The plurality of straight sections of tube are dense packed. The plurality of straight sections of tube are configured to fill a designated volume.

Abstract: A hight-pressure composite vessel comprising a casing fabricated through blow-moulding a preform of thermoplastic, a connection pipe fitting. In the connection connection pipe fitting (3) with a retaining collar (7), opposite to a sealing groove (9) designed for an o-ring seal, there is a groove (10) for a seeger to mount a non-detachable collar (11a) of the preform (11) by way of the seeger (10a). A method of manufacturing the high-pressure composite vessel under which the casing of the vessel is fabricated of a perform that is blow-moulded so as to obtain the required dimensions thereof, whereas the preform of a thermoplastic material is fabricated using any technology; and the casing of the vessel is connected with the connection pipe fitting, and the external surface of the vessel re reinforced by a special composite layer. The preform (11) first undergoes a process of controlled crystalization and, then, the ring-shaped groove (11b) is made in the collar (11a) of the preform (11).

Abstract: A gas supply system—includes a compressor unit, an accumulator unit, a pre-cooling system and a housing. In the gas supply system, the compressor unit is vertically arranged and the pre-cooling system is arranged above the accumulator unit in the housing. The compressor unit and the accumulator unit are covered by one rectangular parallelepiped housing.

Abstract: A dispensing apparatus for a cryogenic fuel includes a cryogenic compression tank with an amount of liquid hydrogen in it. The liquid hydrogen is held at a first temperature and first pressure. The compression tank has a liquid hydrogen inlet and a gaseous hydrogen outlet. A heater is mounted in the compression tank for heating the liquid hydrogen therein to a second temperature and a second pressure. The second temperature and pressure are higher than the first temperature and pressure so that the liquid hydrogen is converted to gaseous hydrogen. A closable line is connected to the gaseous hydrogen outlet and extends from it. The closable line is in fluid communication with a receiving tank when the line is opened so that the gaseous hydrogen flows from the compression tank to the receiving tank.

Abstract: A tank-in-tank fill level indicator, making use of noninvasive tank-in-tank measuring techniques. A vibration device, such as an exciter or resonator, vibrates the outer tank at its natural frequency of vibration, thereby inducing the vibration of the inner tank and a beating effect as a result of the interaction of the vibrations of the two tanks. A vibration detection device, such as an accelerometer, detects the resultant beating effect of the two tanks' induced vibrations. A data processing device, such as a microcontroller, processes the detection data to obtain the liquid volume. A display, wired or wireless data transmission device, or combination thereof, is then used to provide tank or container fill-level information.

Abstract: An inactive gas introducing facility for a storage rack is provided in which supply of inactive gas to a container is stopped if an open state of an inspection door is detected while in a normal stop state in which a stop nullifying command is not issued and in which the supply of the inactive gas based on the immediately preceding supply pattern is continued and any changes, through manual operation, to a parameter that defines the immediately preceding supply pattern are prohibited, if an open state of an inspection door is detected while in a stop nullifying state in which the stop nullifying command is issued.

Abstract: The invention relates to a valve for a fluid cylinder, a first draw-off circuit comprising a member for regulating the flow and/or pressure of the drawn-off fluid, the valve comprising a manual control member and an electronic device displaying data relating to the fluid contained in a cylinder connected to the valve.

Abstract: This invention relates generally to a boss assembly that seals a pressure vessel and more particularly to sealing a pressure vessel having a composite outer shell for use with a source of compressed gas having a boss and boss cover in sealing engagement. The composite outer shell is wound about the boss and locked into at least one notch and/or a reverse draft cut. The boss cover is removably fastened to the boss utilizing at least one fastener. The principle use is for storage and usage of compressed gas in mobile applications that typically benefit from light weight pressure vessels however other applications will benefit from this invention. For example, applications that routinely fill and/or un-fill containers made of woven, composite, and etc. materials will benefit from this invention.

Abstract: A closure safety interlock system is provided for a pressure vessel having a closure assembly with a primary locking system. The closure safety interlock defines a secondary locking system for assuring that the primary locking system may be opened only by following a proper sequence, thereby minimizing misuse of the primary locking system. The closure safety interlock includes a blocking member movable between an engaged position and a disengaged position for blocking movement of a primary lock when in the engaged position and until a release mechanism in the primary lock has been activated. A mechanism is provided for moving the blocking member from the engaged position to the disengaged position once the release mechanism has been activated. A locking plate is movable between a locked and closed position for prohibiting access to the blocking member and an open position for gaining access to the blocking member.

Abstract: The present disclosure concerns a pressurized gas container, for example one containing carbon dioxide for use in a device or system for the preparation of a carbonated drink. The present disclosure also provides a plug that may be functionally integrated into the container and further provides a packaging with a plurality of such containers.

Abstract: The present invention generally relates to one or more compositions and methods for inhibiting the formation of gas hydrate agglomerates in a fluid. The fluid may be contained, for example, in an oil or gas pipeline or refinery.

Abstract: A fluid diversion device utilizes a branch pipeline control device to realize control of a branch pipeline, wherein a base of the branch pipeline control device has a flow passage opening communicated with a main accommodation body in a sealing manner, and a first mounting hole and a second mounting hole for being communicated with the branch pipeline. A driving part in a valve cap assembly is utilized to drive a valve core assembly to open and close the flow passage opening. In such a configuration, flush sealing surfaces do not need to be machined on the main accommodation body, the machining technology is simple, and it is not necessary for the branch pipeline control device to machine the main accommodation body (including a main pipeline and a container, etc.) into a columnar platform, which greatly reduces the requirement for cavity wall thickness and machining difficulty, as well as reduces the cost.

Abstract: A lighting device is disclosed, and includes at least one lighting element for emitting light, an inner diffuser, and an outer diffuser. The inner diffuser defines a lighting cavity and an outer surface, where the at least one lighting element is located within the lighting cavity. The outer diffuser surrounds the inner diffuser. The outer diffuser defines an inner surface. The outer surface of the inner diffuser and the inner surface of the outer diffuser cooperate together to define a space between the inner diffuser and the outer diffuser. The inner diffuser and the outer diffuser spread and blend the light emitted by the at least one lighting element.

Abstract: An LED-based light has an elongate housing having a longitudinal axis and a vertical axis, the housing defined by a base and two canted outer walls meeting opposite the base, the housing defining a cavity. An LED circuit board on which a plurality of LEDs are located is positioned within the cavity. End caps are positioned at opposite ends of the housing.

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: A light emitting device includes a board, light emitting element chips, a wavelength conversion member, a transparent bulb, support leads, and a support base. The board has a first surface and a second surface. The second surface is an opposite side to the first surface. The light emitting element chips are mounted on the first surface side. The wavelength conversion member is formed unitarily with a transparent member. The transparent bulb encloses the board and the light emitting element chips. The support leads secure the light emitting element chips inside the transparent bulb. The support base can be threadedly engaged with a conventional light bulb socket along a socket axis. The wavelength conversion member is provided on a first surface side and a second surface side, and is elongated in a longitudinal direction. The light emitting element chips is aligned along a line that extends in the longitudinal direction.

Abstract: The invention relates to a small-spacing pre-maintenance LED display screen, the LED display screen comprises a box, a plurality of LED modules and inter-display-screen connecting units provided in the box, the LED display screen comprises connecting ends provided on the lateral sides of the box, and the connecting ends are used to connect any two boxes adjacent to each other.

Abstract: The present solution provides a light fixture having an asymmetric optic configured to illuminate multiple surfaces of an enclosure. The light fixture can be attached to a location adjacent to and above a first shelf of a plurality shelves of the enclosure. The optic can split light from the light source to form a first light beam directed to the first shelf and form a second light beam directed to a second shelf of the plurality of shelves. The second shelf can be below the first shelf. The first light beam can have a first predetermined intensity and the second light beam has a second predetermined intensity different than the first predetermined intensity.

Abstract: A wavelength converting module and a semiconductor light-emitting apparatus using the wavelength converting module can emit various color lights. The light-emitting apparatus can include a semiconductor light source emitting an exciting light and an optical reflector, which reflects the exciting light toward the wavelength converting module. The wavelength converting module can include a base board and a cavity formed by a divider located on the base board. The exciting light can enter into the cavity including a phosphor layer contained in the wavelength converting module and can emit a mixture light using the phosphor layer in only one cavity. Thus, the semiconductor light-emitting apparatus using the wavelength converting module can emit various color lights having a high light-intensity and a substantially uniform color tone in order to be able to be used for vehicle lamp such as a headlight, general lighting, a stage light, a street light, a projector, etc.

Abstract: A wavelength converting member includes a sealed housing which is at least partially light transmissive, a coolant enclosed in the sealed housing, a cooling part provided on a part of an external surface of the sealed housing, and a channel having a plurality of micro-passages allowing a liquid coolant flowing therein. At least a portion of the micro-passages are formed by gaps between particles, and phosphor particles are contained in the particles.

Abstract: A lens for distribution of light from a light emitter having an emitter axis. The lens including an outer surface receiving light from the inner surface which defines an inner cavity and includes an axial inner-surface portion of a conical shape formed by a substantially cross-sectionally linear inner region extending outwardly from positions at the emitter axis toward an open end of the inner cavity. An LED light fixture comprising a mounting structure supporting a plurality of spaced LED light sources with a plurality of the lenses each in alignment with a corresponding one of the light sources.

Abstract: A strip light of the present invention consists of at least one light emitting diode mounted on a transparent baseplate. In addition, a protective layer covers the transparent baseplate and each of the light emitting diodes. A fluorescent layer covers the periphery of the protective layer, and a uniform light layer covers the periphery of the fluorescent layer, thereby achieving the strip light that is able to produce a 360-degree omnidirectional light emitting effect, and further enabling the strip lights to be adapted to form light panels, light modules, or even light bulbs for application in different product models of lighting devices.

Abstract: A recessed lighting unit for mounting to a ceiling or a wall is provided. The recessed lighting unit includes a thermally conductive housing, a light source module inside the housing, and an optical plate. The housing maybe engaged to a universal adapter through a simple twist and lock mechanism. The clips enable the universal adapter to be attached to junction boxes and recessed lighting can-type housings of different sizes. The universal adapter can receive different types of clips, without the use of screws, adhesives, or tools to attach the clips to the adapter. Such a recessed lighting unit may have a reduced set of components while ensuring its adaptability and easy installation. Other embodiments are also described and claimed.

Abstract: A housing has a sidewall that surrounds an interior cavity that has an open rear end and an open front end, and is divided by a partition into a top cavity and a bottom cavity. The top cavity extends to the open rear end, the bottom cavity extends to the open front end. A power supply circuit board is inside the top cavity, while a light source is inside the bottom cavity and emits light through the open front end to illuminate a room. First wires pass through an opening in the partition, and are coupled to the power supply circuit board at one end and to the light source at another end, to deliver power to the light source. A lid or cover covers the open rear end enclosing the top cavity, and is secured to the housing. Other embodiments are also described and claimed.

Abstract: Disclosed is an LED ceiling lamp, comprising a base, a lampshade, an LED assembly and a protective cover, wherein the lampshade is permanently connected with the base to form an enclosed space where the LED assembly and the protective cover are accommodated; the LED assembly includes a lamp panel and several LED lamp beads arranged on the lamp panel, and the side of the lamp panel away from the LED lamp beads is fixed on the base; the protective cover includes a cover body, arranged on the lamp panel and connected with the base, and several lenses arranged in the cover body with one lens shade on each LED lamp bead. For the LED ceiling lamp above, refraction of the light from the LED lamp beads by the lens shades provides better light distribution and uniform luminance, making the light more uniform and softer and producing fewer dark regions.

Abstract: A lighting unit is provided that has a housing with a lighting portion and a solar panel portion. Solar panels are mounted on the solar panel portion and the energy gathered by the solar panels is stored in a rechargeable battery. The lighting portion has a conical shaped wall that meets with a circular shaped wall. Each of the conical shaped wall and circular shaped wall defines light recesses defined by light recess walls, and an LED is disposed in each recess. The LEDs are powered by the rechargeable battery and are capable of illuminating a flag whether or not there is a breeze or wind. The circular shaped wall defines a wall opening and the solar panel portion has pole extension that is fitted in the wall opening.

Abstract: An electronic lighting device and a method for manufacturing the same are disclosed. The electronic lighting device may comprise a core, which may comprises an enclosure, a light-emitting element, a flame sheet and a swing mechanism. The flame sheet is movably supported or suspended on the enclosure, and may comprise an upper sheet which is of a flame-like shape. The upper sheet is configured to expose above the top of the enclosure. The light-emitting element may be installed on the enclosure. A light outgoing direction of the light-emitting element may be intersected with the surface of the upper sheet so that the light of the light-emitting element is projected on the surface of the upper sheet. The swing mechanism is disposed beneath the flame sheet and can apply a force on the flame sheet to actuate the flame sheet to sway or swing. By the present application, a visual experience of true fire can be achieved and an interestedness and appreciation can be improved.

Abstract: A headlight system can include a laser driving circuit to drive a laser device, a detecting circuit to detect a current of the laser device, a wavelength converting material to emit light having a white color tone associated with the laser device, a receiver circuit to detect a light-intensity of the light via a photo detector and a controller. The controller can control the laser driving circuit while watching normal/abnormal states of an optical structure of the system. Thus, the disclosed subject matter can provide the headlight system, which can provide favorable light distribution patterns by using the light, even when a battery voltage returns the laser device to the normal state after the controller outputs a turn-off signal to the laser driving circuit not to emit the laser device by detecting the abnormal state in the optical structure such as the laser device because the battery voltage largely decreases.

Abstract: A vehicle light comprising a container body having a first perimetral profile, a lenticular body, having a second perimetral profile, wherein the first and second perimetral profile of the container body and the lenticular body are at least partially counter-shaped to each other in order to interface at a welding interface of an abutment edge of the lenticular body. The container body delimits a containment seat that houses a light source and the lenticular body is applied to the container body so as to close the containment seat. A redirection surface is adapted to receive laser beams, to concentrate and reflect them towards said welding interface. The redirection surface is arranged on an inner face of the abutment edge, the inner face facing the containment seat and incident with the welding interface. A method of making the vehicle light is also disclosed.

Abstract: In one aspect, apparatus are described herein. In some implementations, an apparatus comprises a housing disposed in or on an exterior surface of a vehicle, a light emitting diode disposed in the housing, and an electrically conductive layer disposed over the light emitting diode and in an optical path of the light emitting diode. Further, the electrically conductive layer and the housing together form a Faraday cage surrounding the light emitting diode. Additionally, in some cases, the electrically conductive layer has an optical transparency of at least 70% in the visible region of the electromagnetic spectrum.

Abstract: A headlight system includes a seat, a radiator, a mounting ring, a circuit board and a lens unit. A cooling device is connected to the back of the seat and includes a housing, a fan and an external cover. The housing has a receiving area in which the fan is located. The housing defines multiple first ventilation holes which communicate with the receiving area. The external cover is connected to the housing to seal the receiving area of the housing and has multiple second ventilation holes being opposite to the first ventilation holes of the housing. The fan sends out an air current to the radiator via the ventilation holes to quickly cool down the radiator.

Abstract: A vehicle headlight includes a headlight housing including an external lens and an outer wall that define a headlight interior and a lighting element including a light-emitting diode lamp and an internal heatsink coupled to at least a portion of the lamp. The lamp is in thermal communication with the internal heatsink. The lighting element is disposed within the headlight interior and coupled to an element receptacle defined by the outer wall. The internal heatsink of the lighting element is in thermal communication with the external lens.

Abstract: According to an embodiment of the present invention, provided is a vehicle lamp including a housing, a lens unit that is provided on a front surface of the housing, a light source unit that is arranged to be spaced apart from the lens unit by a predetermined distance and thereby forms a separation space, a thermoelectric module that is provided inside the housing, an air flow passage unit that provides an air movement passage between the thermoelectric module and the separation space, and a thermoelectric circulating unit that provides power so that air passing through the thermoelectric module is discharged to the separation space along the air movement passage.

Abstract: Embodiments described herein advantageously provide an artificial multi-icicle structure. In one embodiment, the structure includes a base from which a plurality of icicles extend to imitate a multi-pendant mass of ice formed by the freezing of dripping water. The plurality of icicles are elongated along a length of the structure so that at least some of the lengths exceed about one fifth a length of the structure. The lengths of the icicles are staggered to be of different lengths. The icicles terminate in spaced apart conical ends. The icicles are cascaded so that different icicles start at different positions along the length of the structure.

Abstract: A light-emitting module that includes a light source and an optical lens is provided. The light source emits an original beam along a direction of a light-emitting axis, and the optical lens is disposed on a transmission path of the original beam. The original beam passes the optical lens and becomes an illumination beam. A light shape of the illumination beam has a first full width at half maximum (FWHM) along a first direction and has a second FWHM along a second direction, and a ratio of the second FWHM to the first FWHM is large than 3. The first direction and the second direction are perpendicular to the direction of the light-emitting axis. A light-emitting device is also provided.

Abstract: A lens includes a light incident surface and a light output surface. In a coordinate system, the light incident surface satisfies a formula (1): Z r 1 = c 1 ? r 1 2 1 + 1 - r 1 2 ? c 1 2 + u 1 2 ? ( 1 - u 1 2 ) 1 - r 1 2 ? c 1 2 ? ? m = 0 M ? ? a m ? Q m ? ( u 1 2 ) . c1 is a curvature of the light incident surface. r1 is a distance from the center of the lens to a joint point between the light input surface and a radius which is substantially perpendicular to the central axis of the lens. u1 is a normalized radius of the light incident surface. am represents the aspheric coefficient. Qm is a polynomial of order m and represents that the sum of am is equal to the sum of the root mean square of the slope of the light incident surface.

Abstract: A light source device includes a Fresnel lens having a light incidence surface and a light emission surface, and equipped with a light transmissive part and a light reflective part provided on an outside of the light transmissive part; and a light emitting element that is disposed opposite the light incidence surface of the Fresnel lens, and is disposed below the light transmissive part and part of the light reflective part on the light transmissive part side.

Abstract: The present disclosure provides a light fixture attached to a wall or a ceiling to illuminate at least a portion of the ceiling. The light fixture can include a light source enclosed within the light fixture and configured to emanate light directionally away from the wall. The light fixture can include a protrusion. The protrusion can extend away from and below the light source. The protrusion can include a bent end that is bent upwards to direct light at a predetermined angle towards a ceiling. The light fixture can include an optic attached above the light source and extending above and externally towards the bent end of the protrusion. The optic can be configured to direct a portion of light towards the bent end.

Abstract: A light emitting device includes a light emitting element having an upper face and lateral faces; a light transmissive member covering at least a portion of the upper face of the light emitting element and transmitting light emitted from the light emitting element; a first reflector covering at least a portion of lateral faces of the light transmissive member; and a second reflector covering the lateral faces of the light emitting element. The first reflector includes a first bottom face and a second bottom face. A plane in which the first bottom face of the first reflector extends is different than a plane in which a lower face of the light transmissive member extends. The second bottom face of the first reflector is located inward of the first bottom face of the first reflector, and is coplanar with the lower face of the light transmissive member. The first bottom face of the first reflector is covered by and in contact with the second reflector.

Abstract: An apparatus including a housing; a solid state light source disposed in the housing to emit light therefrom; and a filter disposed in or on the housing in optical communication with the solid state light source to reshape a radiometric spectrum of the light emitted by the solid state light source to substantially replicate a radiometric spectrum of an incandescent filament light source.

Abstract: A projector apparatus that may include a first plurality of adjacent translucent lenses on at least one side of an inner lens, said inner lens configured to rotate and translate about an axis (A) of the inner lens; a second plurality of adjacent translucent lenses formed on at least one side of a concave outer lens; a light source configured to direct a portion of light through the rotatable and translatable inner lens and then through the concave outer lens; and a motor configured to rotatably and translatably drive the inner lens in an oscillating manner about and along the axis of the concave inner lens (A); so that the oscillating inner lens imparts a moving textured image for modification through the fixed concave outer lens for display upon a surface, such as a ceiling to simulate a moving liquid surface.

Abstract: A lighting apparatus is provided including a base portion defining an axial opening, a main portion located above the base portion and having a generally-cylindrical upper portion, and a light module secured to a top portion of the generally-cylindrical upper portion of the main portion. The axial opening of the base portion is sized to receive at least a light module of another lighting apparatus therein in a stacked position.

Abstract: A flashlight assembly includes a bistable safety bail to prevent inadvertent depression of an operational push button switch. The flashlight assembly further includes a bistable pivoting mode selection lever which controls operational modes of the flashlight. Further, the flashlight operates with a thermal optimization circuit which automatically, over time, reduces the duty cycle of the control circuit to reduce the temperature of the LED junction, improve LED performance and increase battery life.

Abstract: The invention provides an illumination device, which includes: a support block; multiple light source emitting parts, provided on the support block; one light guiding part, used for guiding light emitted by the light source emitting parts to a preset irradiation direction; and a light source switching mechanism, the light guiding part being selectively matched with one of the multiple light source emitting parts under the action of the light source switching mechanism. According to the illumination device of the invention, the illumination device is smaller in size and convenient to carry.

Abstract: The invention provides a switch structure and a flashlight with the same. The switch structure includes: a switch housing; a control part, the control part being provided in the switch housing; and a moving part, the moving part being provided movably in the switch housing, the moving part has a first stroke where the control part is enabled to output a first control signal and a second stroke where the control part is enabled to output a second control signal and the second stroke being consisted of the first stroke and a subsequent stroke after the first stroke. The switch structure may conveniently switch different illumination modes.

Abstract: A solid-state drive is provided, including: a substrate, a flash memory module, at least one light-emitting portion and at least one light-guiding portion. The substrate has a transmit port. The flash memory module is disposed on the substrate, and the flash memory module is electrically connected with the transmit port. The at least one light-emitting portion is disposed on the substrate, and the at least one light-emitting portion is electrically connected with the transmit port. The at least one light-guiding portion at least partially covers the at least one light-emitting portion.