Patent ID: 9232608
Filing Date: 2016-01-05
CPC Classification: G09G,H05B,Y02B

Claim Text:
1. A light emitting device, comprising: light emitting component arrays including at least a first light emitting component array, a second light emitting component array, a third light emitting component array, and a fourth light emitting component array, and each of the first to fourth light emitting component arrays including a predetermined number of light emitting components that are connected in series; light emitting component groups including at least a first light emitting component group, a second light emitting component group, a third light emitting component group, and a fourth light emitting component group, wherein light emission units including at least a first light emission unit and a second light emission unit, the first light emission unit including the first light emitting component group and the second light emitting component group, and the second light emission unit including the third light emitting component group and the fourth light emitting component group; a voltage generator configured to generate a common drive voltage applied commonly to the first to fourth light emitting component groups; a voltage detection circuit configured to detect a first detection voltage of the first connection point, a second detection voltage of the second connection point, a third detection voltage of the third connection point, and a fourth detection voltage of the fourth connection point, and the common drive voltage; and a drive control unit, wherein, in a low brightness mode in which the light emitting components are turned on and have a brightness lower than a reference brightness, the drive control unit is configured to: