A light emitting device, comprising: a plurality of blue, green and red light emitting diodes (LEDs), wherein each of the plurality of blue, green and red LEDs comprises at least one semiconductor region of a first conductivity type and at least one semiconductor region of a second conductivity type; wherein: the blue LEDs further comprise a blue active region (461/561) located between the at least one semiconductor region of the first conductivity type and the at least one semiconductor region of the second conductivity type; the green LEDs further comprise a blue active region (461/561) and a green active region (462/562) located between the at least one semiconductor region of the first conductivity type and the at least one semiconductor region of the second conductivity type; and the red LEDs further comprise a blue active region (461/561), a green active region (462/562), and a red active region (463/563) located between the at least one semiconductor region of the first conductivity type and the at least one semiconductor region of the second conductivity type, characterized in that the green active region (462/562) of each of the red LEDs is in direct contact with the blue active region (461/561) of a respective one of the red LEDs, the red active region (463/563) of each of the red LEDs is in direct contact with the green active region (462/562) of a respective one of the red LEDs, and the green active region (462/562) of the green LEDs is in direct contact with the blue active region (461/561) of the green LEDS. a plurality of blue, green and red light emitting diodes (LEDs), wherein each of the plurality of blue, green and red LEDs comprises at least one semiconductor region of a first conductivity type and at least one semiconductor region of a second conductivity type; wherein: the blue LEDs further comprise a blue active region (461/561) located between the at least one semiconductor region of the first conductivity type and the at least one semiconductor region of the second conductivity type; the green LEDs further comprise a blue active region (461/561) and a green active region (462/562) located between the at least one semiconductor region of the first conductivity type and the at least one semiconductor region of the second conductivity type; and the red LEDs further comprise a blue active region (461/561), a green active region (462/562), and a red active region (463/563) located between the at least one semiconductor region of the first conductivity type and the at least one semiconductor region of the second conductivity type, the blue LEDs further comprise a blue active region (461/561) located between the at least one semiconductor region of the first conductivity type and the at least one semiconductor region of the second conductivity type; the green LEDs further comprise a blue active region (461/561) and a green active region (462/562) located between the at least one semiconductor region of the first conductivity type and the at least one semiconductor region of the second conductivity type; and the red LEDs further comprise a blue active region (461/561), a green active region (462/562), and a red active region (463/563) located between the at least one semiconductor region of the first conductivity type and the at least one semiconductor region of the second conductivity type, the green active region (462/562) of each of the red LEDs is in direct contact with the blue active region (461/561) of a respective one of the red LEDs, the red active region (463/563) of each of the red LEDs is in direct contact with the green active region (462/562) of a respective one of the red LEDs, and the green active region (462/562) of the green LEDs is in direct contact with the blue active region (461/561) of the green LEDS.