Alight emitting device package comprising: a substrate having a cavity including a side wall and a bottom surface; a light emitting device disposed in the cavity; wherein the light emitting device is wire-bonded to the substrate; a support unit including a first region, a second region and a third region and disposed on the side wall of the cavity, wherein the second region is bent from the first region; an adhesion layer disposed between the second region of the support unit and the side wall of the substrate, adhering the second region of the support unit to the side wall of the cavity, and a light-transmitting unit adhered to the first region such that the light-transmitting unit is spaced from the light emitting device, the light-transmitting unit transmitting light emitted from the light emitting device, the light transmitting unit extending in a cross section of the package along a first direction, wherein the first region is disposed in the first direction parallel to the light-transmitting unit and contacts the light-transmitting unit, wherein the second region is disposed in a second direction different from the first direction and contacts the substrate, wherein the third region is positioned above the first region and is configured to reflect light passing through the light transmission unit and thereby controls a light orientation angle, and characterized in that a distance between an upper surface of the light emitting device and the light transmission unit is 0.15 mm to 0.35 mm, and in that the first region of the support unit extends along the first direction from a middle portion of the second region. a substrate having a cavity including a side wall and a bottom surface; a light emitting device disposed in the cavity; wherein the light emitting device is wire-bonded to the substrate; a support unit including a first region, a second region and a third region and disposed on the side wall of the cavity, wherein the second region is bent from the first region; an adhesion layer disposed between the second region of the support unit and the side wall of the substrate, adhering the second region of the support unit to the side wall of the cavity, and a light-transmitting unit adhered to the first region such that the light-transmitting unit is spaced from the light emitting device, the light-transmitting unit transmitting light emitted from the light emitting device, the light transmitting unit extending in a cross section of the package along a first direction, wherein the first region is disposed in the first direction parallel to the light-transmitting unit and contacts the light-transmitting unit, wherein the second region is disposed in a second direction different from the first direction and contacts the substrate, wherein the third region is positioned above the first region and is configured to reflect light passing through the light transmission unit and thereby controls a light orientation angle, and characterized in that a distance between an upper surface of the light emitting device and the light transmission unit is 0.15 mm to 0.35 mm, and in that the first region of the support unit extends along the first direction from a middle portion of the second region.