Abstract: A lighting device disclosed in an embodiment of the invention includes a substrate; light sources disposed on the substrate; and a resin layer disposed on the substrate and the light sources. a first reflective layer disposed on the resin layer, wherein the resin layer includes an exit surface facing the light sources, and the exit surface of the resin layer includes convex portions facing each of the light sources and recess portions respectively disposed between the plurality of convex portions, concave surfaces disposed in each of the plurality of recess portions may have a curvature, and a radius of curvature of the concave surfaces may increase in one direction.

Abstract: The lighting device disclosed in the embodiment of the invention; a circuit board; a plurality of light emitting device packages disposed on the circuit board; a resin layer covering the plurality of light emitting device packages; and a layer for diffusing or reflecting light on the resin layer, wherein each light emitting device package includes a first side portion facing the circuit board, a second side portion opposite to the first side portion, third and fourth side portions on both sides of the first and second side portions, a cavity in which a part of a front side portion is opened; a plurality of lead frames each having a plurality of frames disposed on the bottom of the cavity and a bonding portion bent from each of the plurality of frames to a first side portion; and a plurality of light emitting chips electrically connected to the plurality of frames on the bottom of the cavity, and the cavity may have the same length as the length of the body in the first direction.

Abstract: An invention for managing and distributing electronic business cards is disclosed. The system and the methods disclosed utilize a centralized database for managing contact information and make this contact information available as an electronic business card available online for others to view and subscribe using an convenient token such as QR-Code or Bar-Code. Another aspect of the invention is the ownership of the contact information is with the owner of the business card who is responsible for keeping it updated and making the most current information visible to subscribers. A recipient subscribes to an electronic business card by adding a link to the electronic card in their address book referencing which results in the retrieval of the most current and up-to-date contact information from the centralized database. This relieves the subscribers, or the recipients of the business card, from the onus of updating the card owner's information on their local copy.