Abstract: A light source module includes a light source and an optical lens assembly covering the light source. The optical lens assembly includes an optical lens, a reflecting member located on the optical lens, and a reflecting film formed on the reflecting member. The optical lens includes a main portion and a protruding portion protruding upwardly from the main portion. The reflecting member is conical. The reflecting member is invertedly located on the protruding portion of the optical lens. A tip of the reflecting member is inserted into an inside of the optical lens from the protruding portion. The reflecting member has a top surface and an outer circumferential surface. A center of the top surface of the reflecting member is recessed inwardly, whereby a concave surface is formed. The concave surface oriented upwardly and outwardly relative to the light source. The reflecting film is distributed on the concave surface.

Abstract: A light source module includes a light source and an optical lens facing the light source. The optical lens includes a light incident face facing the light source, a light emitting face opposite to the light incident face, and a connecting face connecting the light incident face and the light emitting face. The light emitting face comprises a lateral face extending upwardly from an outer periphery of the connecting face and a top face located above the light incident face. The top face of the light emitting face includes a center facet and a periphery facet surrounding and extending outwardly from the center facet. The center facet is recessed inwardly from a center of the top face of the light emitting face.

Abstract: An exemplary light reflective film painted on a smooth reflective surface of a metal base includes a composition. The composition consists of curing agents and light reflective powders. The curing agents include acrylic monomers, acrylic urethane oligomers, polyester acrylic modified polyester oligomers and photo initiators. A method for manufacturing the light reflective film is also provided.

Abstract: A method of manufacturing a light refection film includes: preparing a precursor, the precursor includes white pigments and liquid UV (ultraviolet) curing material. The white pigments are evenly dispersed in the UV curing material, and a weight ratio of the white pigments and the UV curing material ranges from 20:80 to 38:62. Then the following step is providing a first base, and arranging a blocking part on the first base to limit a receiving area of the precursor. The precursor is thereafter dropped into the receiving area of the precursor. A second base is then brought to press the precursor, the precursor is cured by exposure UV to form the light reflection film, finally the first base, the second base, and the blocking part are removed to obtain the light reflection film. The present disclosure also provides a light reflection film obtained by the method.

Abstract: An LED includes a base, a chip mounted on the base, an encapsulant sealing the chip, phosphors doped within the encapsulant and a light diffusion layer covering the encapsulant. The light diffusion layer includes a transparent layer contacting the encapsulant and a plurality of transparent particulates doped within the transparent layer. The transparent particulates have a light refractive index less than that of the transparent layer.

Abstract: A lens includes a bottom face, a light incident face defined in the bottom face, two opposite first lateral faces, two opposite second lateral faces and a light emerging face. The two first lateral faces are located adjacent to the light incident face, and the two second lateral faces are located away from the light incident face. The light emerging face includes two convex faces and a concave face interconnecting the two convex faces. The light emerging face has a light diverging capability along a first direction larger than that along a second direction perpendicular to the first direction.

Abstract: The present disclosure relates to a light source module which includes a light source and a plurality of fibers. The light source has a light emitting surface. The fibers are arranged on the light emitting surface of the light source. Each fiber includes a light input part contacting the light emitting surface and a light output part opposite to the light input part. The light output part of each fiber extends upwardly and outwardly from the light input part for guiding light from forward to outside.

Abstract: A light emitting device includes a light source and a light diverging unit including a first light diverging part and a second light diverging part including a bottom surface and a first light emitting surface connected by a side surface. The bottom surface defines a first receiving space for receiving the light source, the first light emitting surface defines a second receiving space communicating with the first receiving space, and the second receiving space comprises a first connecting surface. The second light diverging part is inserted into the second receiving space, and comprises a second light emitting surface and a second connecting surface. The second connecting surface fully contacts the first connecting surface, the second light emitting surface smoothly connects to the first light emitting surface. A refraction index of the first light diverging part is smaller than that of the second light diverging part.

Abstract: A method for manufacturing a reflective film is disclosed. A nozzle is used to spray a mixture of photosensitive adhesive and white powder on a conveyor belt. A first roller and a second roller are used to press the mixture transferred by the conveyor belt. A first light source and a second light source are used to illuminate the mixture to form the reflective film. The reflective film is further pressed by a third roller and then coiled by a rolling device. An apparatus for manufacturing the reflective film is also disclosed.

Abstract: The present disclosure relates to a light source module. The light source module includes a shell, a diffusing sheet, a light source and a reflective element. The shell includes a bottom plate and a side plate connected to and surrounding the bottom plate. Inner surfaces of the bottom plate and the side plate are reflective surfaces. The diffusing sheet is arranged on the side plate of the shell. The diffusing sheet and the shell cooperatively define a chamber. The light source is arranged on the bottom plate and received in the chamber. The reflective element is arranged on a light pathway of the light emitting element and received in the chamber. The reflective element is conical, and includes a conical surface facing the light source and a top surface away from the light source. The conical surface is a total reflective surface.

Abstract: An LED includes a base, a chip mounted on the base and a lens covering the chip. The lens has a light incident face contacting the chip and a light emerging face away from the chip. The light emerging face includes a first face confronting the chip and a second face surrounding the first face. The first face is a conical face having a diameter gradually decreasing towards the chip, and the second face is a conical face having a diameter gradually increasing towards the chip.

Abstract: A light-emitting device includes a base and a light source and a diverging unit placed on the base. The diverging unit has a divergent lens and a diverging ring. The divergent lens includes a light incident surface, a light exiting surface, and a side surface. The side surface is connected to the light incident surface and the light exiting surface. The divergent lens defines a receiving space and the receiving space extending into the divergent lens from the light incident surface towards the light exiting surface. The light source is received in the receiving space. The diverging ring is positioned on the light exiting surface and in-line with the light source so that the diverging ring reflects light from the light source transmitted through the divergent lens in multiple directions.

Abstract: The present disclosure relates to a light source module. The light source module includes a light source and a lens facing the light source. The lens includes a bottom surface, a light input surface, a light output surface and a transparent ball. The light input surface is a curved surface depressing from a center of the bottom surface. The light source faces the light input surface. The light output surface is opposite to the bottom surface. The light output surface includes a concave surface located at a center thereof and a convex surface located at peripheral thereof and surrounding the concave surface. The transparent ball is received in a cavity defined by the light input surface. The transparent ball defines a plurality of hollow holes therein.

Abstract: A lens includes a bottom face, a light incident face defined in the bottom face, a light emerging face opposite to the bottom face and a lateral face connecting the light emerging face with the bottom face. An optical axis extends through centers of the light incident face and the light emerging face. The light emerging face includes a plurality of sub-light emerging faces discontinuous from each other. Each sub-light emerging face has a concave face adjacent to the optical axis, and a convex face away from the optical axis.

Abstract: A lens includes a main lens, a first light-diffusion capping layer and a second light-diffusion capping layer formed on the top of the main lens in sequence. The main lens includes a light incident surface and a light exit surface opposite to the light incident surface. The main lens defines a recess in the top thereof, and the recess is located at a central region of the light exit surface and recessed inwardly toward the light incident surface. The first and the second light-diffusion capping layers are received in the recess, and the second light-diffusion capping layer is located over the first light-diffusion capping layer. A refractive index of the first light-diffusion capping layer is smaller that that of the main lens but larger than that of the second light-diffusion capping layer. A backlight module source incorporating the lens and the LED light source is also provided.

Abstract: A light source module includes a light source and an optical lens facing the light source. The optical lens includes a light incident face facing the light source, a light emitting face opposite to the light incident face, and a connecting face connecting the light incident face and the light emitting face. The connecting face is planar. The light emitting face includes a lateral face extending upwardly from an outer periphery of the connecting face and a top face located above the light incident face. The top face of the light emitting face comprises a center curved facet and a periphery curved facet surrounding and extending outwardly from the center curved facet. The light incident face is a discontinuous face and includes a plurality of curved facets.

Abstract: The present disclosure relates to a light source module. The light source module includes a light source and a lens facing the light source. The lens includes a bottom surface, a light input surface, a light output surface and a transparent ball. The light input surface is a curved surface depressing from a center of the bottom surface. The light source faces the light input surface. The light output surface is opposite to the bottom surface. The light output surface includes a concave surface located at a center thereof and a convex surface located at peripheral thereof and surrounding the concave surface. The transparent ball is received in a cavity defined by the light input surface. The transparent ball defines a plurality of hollow holes therein.

Abstract: A lens includes a bottom face, a light incident face defined in the bottom face, a plurality of light reflective faces connecting the light incident face with the bottom face, and a light emerging face opposite to the light incident face. The light incident face includes a first face and a plurality of second faces alternating with the light reflective faces. The light reflective faces are flat faces parallel to an optical axis of the lens. An LED unit using the lens is also disclosed.

Abstract: A method for cutting chemically strengthened glass is provided. The chemically strengthened glass includes a first stress layer, a second stress layer, and a tension layer sandwich between the first stress layer and the second stress layer. The method includes: using a green pulsed laser to cut the first stress layer, wherein the green pulsed laser includes a first green pulsed laser having femtosecond level and a second green pulsed laser having nanosecond level; using a ultraviolet pulsed laser to cut the tension layer, wherein the ultraviolet pulsed laser includes a first ultraviolet pulsed laser having femtosecond level and a second ultraviolet pulsed laser having nanosecond level; and using the green pulse layer to cut the second stress layer.

Abstract: The present disclose relates to a lens. The lens includes a bottom surface; a light input surface depressed from a center of the bottom surface; a light output surface opposite to the light input surface, the light output surface comprising a concave surface located at a center thereof and a convex surface surrounding the concave surface; and total reflective side surfaces. The side surface includes a first and a second side surfaces gradually slanting outwardly along a direction from the bottom surface to the light output surface, and a third side surface and a fourth side surface being perpendicular to the bottom surface. The present disclose also relates to a light source module with the lens.