- The only shortcoming firmly posed in the test phase: can not replace the LEDs halogen spots "in free space". In this application, halogen spotlights produce their easy durlässigen, dichroic mirrors a pleasant, indirect lighting "backwards" on the ceiling, and there prevails the use of Osram LEDs absolute darkness. Here it is worth sure DELAYING something; Osram will solve this problem securely with a next-generation LEDs. - Conclusion: It pays to stop but to spend a little more, instead rumzuärgern with yellow hues.