Abstract: A backlight module includes a substrate, a plurality of LED packages mounted on the substrate and a light diffusion board located above the LED packages. The light diffusion board includes a light incident surface facing toward the LED packages and a light output surface. A plurality of light-guiding portions is configured extending from the incident surface of the light diffusion board toward the LED package. Each light-guiding portion comprises a concave surface at an outer periphery thereof. A diameter of each light-guiding portion decreases gradually from light diffusion board toward the LED packages. The concave surface of each light-guiding portion is recessed inwardly from the outer periphery of the light-guiding portion. Light from the LED packages and emitting into the light-guiding potions is divergently and uniformly adjusted into the light diffusion board by the concave surfaces of the light-guiding portions.

Abstract: A surface light source device (10) includes: a light guide plate (120); and a plurality of LED light source substrates (140) each emitting light into the light guide plate (120) through a side surface of the light guide plate (120), the LED light source substrates (140) (i) being provided at a pair of sides of the light guide plate (120), the pair of sides facing each other and (ii) having a length shorter than a length of each of the pair of sides at which the plurality of LED light source substrates (140) are provided.

Abstract: Embodiments of the invention provide a light guide plate comprising a light guide layer and a reflective layer; a lower surface of the light guide being a reflective surface; an upper surface of the light guide layer being a stepped surface and comprising an upper step surface, a lower step surface and an inclined surface connecting the upper step surface and the lower step surface; wherein the lower step surface is a light exiting surface and the reflective surface is coated on the inclined surface. Embodiments of the invention further provide a method for manufacturing the light guide plate, a backlight module provided with such a light guide plate, and a display device provided with such a backlight module.

Abstract: A system for mounting a light emitting diode (LED) wave guide down light retrofit fixture. The system can include a mounting plate having a number of apertures symmetrically positioned around a center of the mounting plate. The system can also include at least one fastening device mechanically coupled to an upper surface of the mounting plate using at least a first aperture of the apertures, where the at least one fastening device mechanically couples to a base of an existing fixture. The system can further include a coupling device mechanically coupled to a lower surface of the mounting plate. The system can also include a trim assembly having a frame and a LED light source mechanically coupled to the frame. The frame can have a coupling feature disposed on a top surface of the frame, where the coupling feature mechanically couples to the coupling device.

Abstract: The present invention provides a backlight module and a liquid crystal display module using the backlight module. The backlight module includes: a backplane (2), a backlight source (4) mounted in the backplane (2), and a light guide plate (6) mounted in the backplane (2). The backplane (2) includes a bottom board (22) and a plurality of side boards (24) perpendicularly connected to the bottom board (22). The backlight source (4) includes a circuit board (42) and a plurality of LED lights (44) mounted to and electrically connected with the circuit board (42). The circuit board (42) is mounted to the bottom board (22). The LED lights (44) are arranged at one side of the light guide plate (6). The circuit board (42) includes a first slope surface (422) facing the bottom board (22). A heat dissipation board (8) is arranged between the circuit board (42) and the bottom board (22). The heat dissipation board (8) includes a second slope surface (82) mateable with the first slope surface (422).

Abstract: A lighting device may be provided that includes: a body; a first light source and a second light source, which are disposed on the body and are disposed symmetrically with each other with respect to a central axis of the body; a first light guide unit which is disposed on the first light source and is coupled to the body; and a second light guide unit which is disposed on the second light source and is coupled to the body. The first light guide unit and the second light guide unit are disposed symmetrically with each other with respect to the central axis of the body.

Abstract: A backlight module includes a light guide plate, alight emitting diode, a limiting block, an elastic member, and a bezel having a containing structure. The light guide plate is disposed in the containing structure and has a side surface and a light entrance surface opposite to the side surface. The light emitting diode is disposed at a position corresponding to the light entrance surface of the light guide plate for emitting light into the light guide plate via the light entrance surface. The limiting block is located at a side of the light emitting diode and extends inwardly from the containing structure for abutting against the light entrance surface. The elastic member abuts against at least one of the light entrance surface and the side surface and the containing structure and is used for providing elastic force to drive the light guide plate to abut against the limiting block.

Abstract: A backlight module including a light guide plate is disclosed. The light guide plate has a light emitting plane, a bottom plane opposite to the light emitting plane and a light incident plane connecting the light emitting plane and the bottom plane, a plurality of arc protrusions disposed on the first light incident plane; and a transparent layer disposed upon each of the arc-protrusions. In the backlight module, an LED bar is disposed near to the light incident plane of the light guide plate, and the LED bar has a plurality of LED light sources corresponding to the arc-protrusions of the light guide plate, respectively.

Abstract: A backlight assembly includes a plurality of first light sources configured to emit a first color, and a plurality of second light sources configured to emit a second color different from the first color, where the backlight assembly is divided in a first boundary area, a second boundary area spaced apart from the first boundary area in a first direction, and a middle area between the first boundary area and the second boundary area, and an arrangement direction of first and second light sources of the plurality of first and second light sources in the first and second boundary areas is different from an arrangement direction of first and second light sources of the plurality of first and second light sources in the middle area.

Abstract: An LED light bar includes a PCB and a plurality of LED lamps mounted to and electrically connected with the PCB. Each of the LED lamps has a light emission face that is perpendicular to the PCB. The LED lamps at two opposite ends are arranged to have the light emission faces thereof angularly shifted in directions away from the light emission faces of the LED lamps in the middle to thereby increase light irradiation range of the LED light bar. With the LED lamps at two ends of the LED light bar being arranged to have light emission faces thereof angularly shifted so as to form a predetermined included angle between the light emission faces of the LED lamps and a light incidence face of the light guide plate, the irradiation range of light from the LED light bar is increased.

Abstract: A display apparatus includes a display panel configured to display an image using light, a backlight assembly including a light source unit configured to generate the light, a lower receiving container including a bottom portion covering a lower surface of the light source unit and a side wall extended from an edge of the bottom portion, and a mold frame including a transmission portion between and facing a upper surface of the light source unit and the display panel, and a supporting portion facing a side surface of the lower receiving container, and a cover member covering a side surface of the mold frame and a lower surface of the lower receiving container.

Abstract: Provided is a light-emitting unit that includes: a light-guide section having a light entering surface; and a plurality of light sources opposed to the light entering surface of the light-guide section and arrayed in a first direction, and each having an anisotropy in emission intensity. A pattern shape of light applied from any of the light sources to the light entering surface has a shape anisotropy, and the light sources are each disposed to allow a longitudinal direction of the pattern shape to be inclined relative to the first direction.

Abstract: The high intensity light output of edge lighting point light sources such as LEDs may generate undesired leakage light that is optically conducted by way of a continuum of the material of a components affixing adhesive member. In accordance with present disclosure, air filled grooves or other such discontinuities are formed in the adhesive member along respective light output pathways of the respective point light sources. One corresponding embodiment comprises spaced apart LEDs mounted on an FPCB; a light guide plate (LGP) disposed adjacent to the LEDs; a main support accommodating the LEDs and the LGP; and an adhesive member formed to affix together the FPCB, the main support, and the light guide, wherein the adhesive member is patterned to define air filled grooves along respective light output pathways of the LEDs.

Abstract: An LED automobile lamp includes a light source, a light guiding plate and a lens. The light guiding plate is adjacent to the light source. The lens is spaced from the light source and the light guiding plate. The light guiding plate includes a top surface which includes a horizontal section and an inclined section extending upward from one end of the horizontal section. Light generated by the light source enters the light guiding plate and is regulated to a preset luminance shape with cut-off lines at a top thereof by the horizontal section and the inclined section of the top surface of the light guiding plate. Light from the light guiding plate radiates out via the lens. A prism plate assembly is located between the lens and the light guiding plate for aligning the light from the light guiding plate to the lens.

Abstract: A light emitting diode (LED) package includes: a main body mounted on a substrate; a light emitting diode that is mounted in the main body and emits light; and a lead frame exposed to allow the main body to be selectively top-mounted or side-mounted. A backlight unit includes: a light guide plate configured to allow a light source to proceed to a liquid crystal panel; a light emitting diode (LED) mounted in a main body mounted on a substrate and generating a light source; and an LED package having a lead frame exposed to allow the main body to be selectively top-mounted or side-mounted, and being mounted on the light guide plate.

Abstract: Embodiments of the present invention disclose a backlight and a display device, to reduce the number of LEDs in a backlight, save costs, while avoiding dark areas appearing on the screen, so as to ensure display effect. The backlight comprises a first light guide plate and at least one light-emitting diode assembly, and the light-emitting diode assembly is located on one side of the first light guide plate. The light-emitting diode assembly comprises a second light guide plate, at least one light-emitting diode and a reflective film, wherein the at least one light-emitting diode is located on at least one side of the second light guide plate, and the reflective film is located on at least one side of the second light guide plate.

Abstract: A linear light source device comprises a wiring substrate in a rectangular shape and a wiring pattern formed thereon, a plurality of light emitting elements arranged on the wiring substrate in a longitudinal direction of the wiring substrate and connected with the wiring pattern on the wiring substrate, reflectors, each of which includes two parts having slope surfaces on one side and the other side facing each other in the longitudinal direction of each light emitting element, and which are separated from each other on the wiring substrate corresponding to the light emitting elements, respectively; and a sealing resin sealing the light emitting elements by burying a recession portion defined by a surface of the wiring substrate where the light emitting elements are arranged and the two slope surfaces, wherein the two parts of each of reflectors have convex portions on their upper surfaces, respectively.

Abstract: A multidirectional lighting module for implementing multiple colors and an electronic device having the same are provided. The multidirectional lighting module includes Light Emitting Diodes (LEDs), a circuit board on which the LEDs are mounted, and a light guide plate that emits light incident from the LEDs in at least two directions. This can make a notification light emit light in at least two directions and various colors can be implemented through one light guide plate. Furthermore, various embodiments can be made based on the spirit of the present disclosure.

Abstract: A display device includes a display panel, a light guide plate (LGP), a light source, and a positioning component. The LGP is disposed on a display surface of the display panel and has an upper surface and a lower surface opposite to each other, a light-incident surface, a first light-guiding block, and a second light-guiding block. A display area of the display panel corresponds to the first light-guiding block. The second light-guiding block extends outside the display area and has at least one recess portion. The recess portion is located on at least one of the upper surface and the lower surface and extends to the light-incident surface. The light source is disposed beside the light-incident surface. The positioning component is disposed on the second light-guiding block and located in the recess portion. Besides, the positioning component extends outside the recess portion and fixes the location of the light source.

Abstract: An LED tube includes an envelope, three light guiding plates received in the envelope, three LEDs mounted on the light guiding plates, and two covers fixed to two opposite ends of the envelope. The three light guiding plates each have an end face confronting a corresponding LED, an inner face having a plurality of dots formed thereon and an outer face opposite to the inner face. Light emitted by each LED is diffused by the dots of a corresponding light guiding plate to radiate outside uniformly.

Abstract: A backlight unit adapted to prevent light leakage and damage of its internal components due to a thermal deformation is disclosed. The backlight unit includes: a bottom cover with an opened upper surface; a printed-circuit-board disposed on at least one inner side surface of the bottom cover; a plurality of LEDs loaded on the printed-circuit-board; and a plurality of slits formed on at least one edge of the bottom cover opposite to the printed-circuit-board and configured to reduce thermal deformation of the bottom cover.

Abstract: A light emitting diode assembly includes: a light emitting diode (LED) printed circuit board (PCB) having a base layer, an insulating layer on the base layer and a circuit pattern layer on the insulating layer, the LED PCB including a plurality of through holes spaced apart from each other; and a plurality of light emitting diodes (LEDs) inserted into the plurality of through holes, respectively, from a bottom surface of the LED PCB, each of the plurality of LEDs including a lead contacting the circuit pattern layer.

Abstract: An edge-type backlight module and a liquid crystal display using the same. The edge-type backlight module comprising a printed circuit board having a supporting surface; plural light emitting diodes disposed on the supporting surface, each of the light emitting diodes comprising a light emitting surface and the light emitted by the light emitting diode being emitted from the light emitting surface; a reflective film disposed on the supporting surface; a light guide plate disposed above the reflective film so that the reflective film being disposed between the light guide plate and the supporting surface; a reflective surface disposed on a side edge of the light guide plate and kept a distance from the light emitting diode, the reflective surface used for reflecting the light emitted from the light emitting surface; and a dark surface disposed on the supporting surface for absorbing the light reflected by the reflective surface.

Abstract: A luminaire for use in lighting a large open space such as a parking lot or deck of a parking garage includes a plurality of optical waveguides disposed in side-by-side relationship and together defining a closed path and at least one LED associated with each optical waveguide and disposed at a first end of the associated optical waveguide.

Abstract: The disclosure generally relates to illumination converters that are capable of converting light from one geometrical format to another. In particular, the described illumination converters are capable of converting a circular source such as an LED to a linear source useful in an edgelit waveguide, which can be used in a backlight for a display. The converter consists of a waveguide plate (210) with two edges (220, 218) oriented towards each other at 45° such that a the waveguide plate consists of a rectangular part (204) attached to a triangular part (202). The triangular part is rolled into a coil around a central axis (250) and one side of the coil is used for coupling in of the light from a source.

Abstract: A LED panel light comprises an optical layer structure, including a top side, a bottom side and an edge and at least two substantially plate-shaped layers arranged on top of one another, and further comprises LEDs as light source, the LEDs being arranged at the edge of the layer structure and radiating light into the layer structure at the side, and further comprises a housing frame and at least one seal. The seal encloses the LEDs and the edge of the layer structure, the seal being in contact with the top side and the bottom side of the layer structure and resting against or on the housing frame so the seal seals the layer structure against the housing frame, the housing frame and the layer structure being clamped relative to one another such that the seal is pressed against the top side and the bottom side of the layer structure.

Abstract: A package carrier is suitable for carrying at least one light emitting unit. The package carrier includes an annular shell and a transparent light guiding stage. The annular shell has a cavity. The transparent light guiding stage is disposed in the cavity of the annular shell. The light emitting unit is adapted to be disposed on the transparent light guiding stage, and a horizontal projection area of the transparent light guiding stage is greater than that of the light emitting unit. The light emitting unit emits a light beam to enter the transparent light guiding stage, and the light beam emits from a surface of the transparent light guiding stage relatively distant from the cavity.

Abstract: Disclosed herein are a backlight assembly and a liquid crystal display (LCD) having the same, wherein the backlight assembly includes a light guide panel having a plurality of lateral sides; and a plurality of light source units each emitting light to a respective lateral side of the plurality of lateral sides, wherein at least two lateral sides of the plurality of lateral sides, which receive light emitted from two respective light source units of the plurality of light source units, are neighboring lateral sides, and wherein at least one lateral side is longer than an incident surface which receives light emitted from the light source unit.

Abstract: A backlight module includes a light guide plate and only one light source. The light guide plate has a main body and protrusions. The main body has a light emitting surface, a light incident surface, a first side surface, and a second side surface. The protrusions are positioned on the light incident surface, and face the light source. The protrusions diffuse the light rays from the only one light source and guides the light rays into the main body. The light emitting surface has a light emitting area and a marginal area surrounding the light emitting area. The marginal area has a light diffusion area adjacent to the light incident surface and the first side surface. An included angle between the light incident surface and the first side surface is an obtuse angle. An included angle between the light incident surface and the second side surface is an obtuse angle.

Abstract: This disclosure provides systems, methods and apparatus for low-profile lighting systems. In one aspect, an LED-based light engine, which may be thinner and/or lighter than conventional light engines, may be retained in both conventionally-dimensioned and low-profile light fixtures. In another aspect, a light engine can include both convective and conductive heat transfer components, the efficacy of which will vary based on the dimensions of a light fixture in which the light engine is installed.

Abstract: Assemblies and techniques are provided for light guides integrated into display devices having front light sources. In one aspect, a light guide can include one or more reflective coatings that are applied or otherwise integrated onto one or more internal surfaces of the light guide. Application of at least one reflective coating can modify the luminance and/or chromaticity of the light guide. The one or more coatings can comprise one or more applied layers of paint, such as a layer of a glossy colored paint and/or a layer of a chrome paints.

Abstract: An organic light emitting diode (OLED) lighting apparatus includes a light emitting panel including an organic light emitting diode, a housing for housing the light emitting panel, a cover coupled to the housing and covering a front-side edge of the light emitting panel, a plurality of pins disposed between the housing and the light emitting panel and supporting an edge of the light emitting panel, and at least one contact bar disposed between the plurality of pins and a back-side edge of the light emitting panel.

Abstract: Disclosed is a light guide plate including a base sheet and a first light transmissive adhesive layer disposed on a surface of the base sheet. The first light transmissive adhesive layer together with the base sheet define a light entrance portion. The thickness of the first light transmissive adhesive layer becomes gradually smaller from the light entrance portion toward a center portion of the base sheet. A backlight assembly includes the light guide plate.

Abstract: An optical film and an organic light emitting display apparatus including the optical film are disclosed. In one embodiment, the optical film is formed on a substrate of the organic light emitting display, and the substrate is configured to transmit light, emitted from an organic light emission unit of the display, toward the optical film. Further, the optical film is configured to absorb ambient light via a first portion, and the optical film is further configured to at least partially transmit light emitted from the organic light emission unit to the environment via a second portion.

Abstract: A light source apparatus includes a light guide plate, a number of optical fibers, at least two first light emitting diodes, and at least two second LEDs. Each fiber has a light exiting surface facing the light guide and at least two light entrances at both ends of the fiber. The second LEDs are located on both sides of the light guide plate. Light generated by the first LEDs has a wavelength longer than that generated by the second LEDs. The light generated from the first LEDs enters the light guide plate after travelling through the optical fiber to mix with the light generated from the second LEDs to provide a good color rendering property of the light generated by the light source.

Abstract: The lighting apparatus 10 includes a light guide plate 11 made of a transparent material and having a pair of faces 12a, 12b opposing each other and an end face adjoining the faces, a silkscreen-printed dot pattern 13 used to diffuse light, provided only on the face 12a of the light guide plate 11 and formed with a special ink, and an LED light source 20 disposed so as to face the end face of the light guide plate 11. The face 12a of the light guide plate 11 provided with the silkscreen-printed pattern 13 serves, as it is, as a light-emitting surface.

Abstract: In a liquid crystal display device including a backlight unit that irradiates the entire image formation region with light from light emitting diodes disposed in a concentrated manner, in order to reduce warpage of a reflection sheet to obtain uniform illumination, provided is a liquid crystal display device (1), including: a liquid crystal panel (3); a reflection sheet (6), which is disposed on a rear surface side of the liquid crystal panel (3) and is curved so as to have a concave surface facing the liquid crystal panel (3); a light emitting diode substrate on which a plurality of light emitting diodes (14) are disposed along a horizontal direction; and a support (21) for fixing the reflection sheet (6) at a curved portion of the reflection sheet (6).

Abstract: Disclosed is a detachable light emitting device. The device comprises a body casing in which a front frame is mounted on the front thereof, and at least one of a plurality of detachable parts that are installed on an upper side or a lower side of the body casing; radiation stands are vertically disposed on both left and right sides inside the body casing, and front cutting grooves; light guide plate stands are vertically inserted and coupled in the front cutting grooves of each of the radiation stands, respectively, and side mounting grooves are formed on each one side thereof. LED module mounting stands are vertically inserted and coupled in the side mounting grooves of each of the light guide plate stands, respectively, and LED mounting grooves are vertically formed on each one side thereof.

Abstract: A light emitting diode package unit, a method for manufacturing the same and a backlight are disclosed. The light emitting diode package unit comprising a LED chip and a light uniformization structure formed above the LED chip in the direction of exiting light.

Abstract: The light fixture includes a frame, wherein at least a portion of the frame defines a first channel and a second channel, and the frame has a thickness of no more than about 1.0 inches. The light fixture includes a substantially flat light emitting diode (LED) panel disposed within the frame, and power circuitry disposed within the frame. The power circuitry includes a first LED driver sized to be positioned within the first channel, and a second LED driver sized to be positioned within the second channel. The power circuitry is configured to electrically couple the substantially flat LED panel to an external power supply. The first LED driver and the second LED driver are configured to convert an AC input into a DC output suitable for powering the substantially flat LED panel.

Abstract: A light source module, a fabrication method therefore, and a slim backlight unit including the same. The light source module includes a light emitting diode (LED) chip electrically connected to a substrate through a lower surface thereof, a wavelength conversion layer formed on the LED chip and enclosing at least the light exit face of the LED chip, and a reflector formed on a region of the LED chip excluding the light exit face.

Abstract: A white light emitting device includes: a blue light emitting diode (LED) which emits blue light; and a resin packing unit which encapsulates the blue LED, wherein the resin packing unit includes a first wavelength conversion material which, in response to being excited by the blue light, emits green light, a second wavelength conversion material which, in response to being excited by the blue light, emits red light, and a complex compound which absorbs light of a region in which the green light and the red light are mixed, the light of the region being included in white light implemented through a mixture of the green light and the red light excited together with the blue light.

Abstract: A light emitting device includes a support having an interstice and at least one LED located in the interstice and at least one of a waveguide or an optical launch having a transparent material encapsulating the at least one LED located in the interstice.

Abstract: A light guide plate fixing structure and a backlight module using the same, comprising a first abutting wall formed at the side edge of the light guide plate, a second abutting wall formed on the backplane, and a constant-force spring arranged between the first abutting wall and the second abutting wall; the constant-force spring has a fixing end and a support end, the fixing end being fixed on the first abutting wall, the support end forming an elastic foot that abuts against the second abutting wall, with the light guide plate being fixed with the help of the elastic force produced by bounce of the constant-force spring after being pre-compressed: when the light guide plate is expanded, it can push the spring away and be released and expanded; when the light guide plate is contracted, rebound of the spring will make the spring move with the light guide plate.

Abstract: The present invention provides a side-edge backlight module, which includes a backplane, a backlight source arranged inside the backplane, and a light guide plate arranged inside the backplane. The backplane and the backlight source receive an aluminum-extruded heat sink arranged therebetween. The aluminum-extruded heat sink includes a first mounting section and a second mounting section perpendicularly connected to the first mounting section. The backlight source is mounted on the first mounting section. The first mounting section forms a slope surface at a location close to the second mounting section. The slope surface is arranged to extend from connection of the first and second mounting sections toward the backlight source. The side-edge backlight module forms a slope surface at a lower end of the first mounting section of the aluminum-extruded heat sink to eliminate potential interference issue of assembling occurring in the known techniques.

Abstract: Exemplary embodiments provide a lighting system for a transparent LCD having opposing vertical edges, the system having a mullion lighting assembly positioned adjacent to each vertical edge of the transparent LCD, each mullion lighting assembly having sidewalls defining a center channel. A plurality of LEDs are positioned along the sidewall of each mullion assembly and on a side of the sidewall that opposes the center channel. The LEDs are preferably placed in conductive thermal communication with the sidewall. A fan is positioned to draw cooling air through the center channel. A lens may be positioned adjacent to the LEDs to collimate the light. Louvers may be used to direct the emitted light away from the LCD, so as to reflect off the goods within a display case or the cavity within the display case. Some embodiments may use a flange to direct the emitted light away from the LCD.

Abstract: A light source module includes a light source and a light guiding pole. The light guiding pole is made of transparent material and has a light incident surface and at least one side surface connected to the light incident surface. The light source emits light rays, and faces the light incident surface. The light incident surface guides the light rays into the light guide pole, and the at least one side surface totally reflects the light rays. At least one slot is defined at the at least one side surface, and extends along a lengthwise direction of the light guiding pole. The at least one slot destroys the totally reflective path of a portion of the light rays arriving the at least one side surface, and thus the portion of the light rays emits from the at least one side surface.

Abstract: A backlight module and a light source module thereof are disclosed. The light source module includes a substrate, at least one first light source, and at least one second light source. The substrate includes a first substrate portion and a second substrate portion. The first substrate portion extends along a length direction, and the second substrate portion bends an acute angle corresponding to an extending surface of the first substrate portion. The at least one first light source and the at least one second light source are disposed on the first substrate portion and the second substrate portion respectively. The acute angle is existed between the light-emitting directions of the first light source and the second light source, and the light-emitting directions are parallel to the first substrate portion.

Abstract: The present invention provides a flat panel display device, which includes a backlight system and a display panel, wherein the backlight system includes an LED light source, which includes an LED lamp and an LED substrate carrying the LED lamp; a back frame, which is disposed below the LED substrate and includes at least two primary assembling pieces, the at least two primary assembling pieces being joined to form a main frame structure of the back frame; and a PCB, which is disposed below the back frame and fixed to the LED substrate. The present invention also provides a stereoscopic display device. The flat panel display device and the stereoscopic display device of the present invention save the material and space of the back frame, and lower down the cost of the flat panel display device and the stereoscopic display device.

Abstract: A light source module includes a circuit board, board pads disposed on the circuit board, and a light emitting diode chip disposed on the board pads. The light emitting diode chip includes a substrate and a semiconductor stacking part disposed between the substrate and the circuit board, and the substrate includes an inclined part disposed at an upper portion thereof and a discharging part disposed at one side surface thereof.