Abstract: A lighting emitting diode (LED) device includes a first adjust module and a second adjust module. The first adjust module includes at least one first LED and has a first internal impedance having a first characteristic curve. A range covered by the first characteristic curve includes a first incomplete conduction region and a first conduction region. As the current increases from zero value and up, the first internal impedance decreases exponentially in the first incomplete conduction region, is approximately linear in the first conduction region. The second adjust module includes an impedance-providing component and an electronic component coupled in series. The second adjust module is coupled in parallel with the first adjust module. The second adjust module has a second internal impedance having a second characteristic curve. The first characteristic curve and the second characteristic curve match one another.

Abstract: Embodiments of a light emitting device, a surface mounted device-type light emitting device and a display device are provided. In one aspect, a light emitting device may include a main body and a light source. The main body may include a base and a number of terminals. The base may have a support surface. Each of the terminals may respectively have a welding portion such that the welding portions of the terminals form a connection surface with a first angle between the support surface and the connection surface. The first angle may be between 0 degree and 90 degrees. The light source may be disposed on the support surface and electrically connected to one or more of the terminals.