Electronic circuit with an led module

2:

• The electronic circuit of claim 1, wherein the drive circuit is further configured to change from the defect mode to the normal mode when checking the persistence of the LED short in the activation period reveals that the LED short does not persist.

3:

• The electronic circuit of claim 1, wherein a ratio between a duration of the activation period and a duration of the deactivation period in one drive cycle is between 1:10 and 1:100.

4:

• The electronic circuit of claim 1,
• wherein the LED module comprises at least one further LED string, and
• wherein the drive circuit is configured, in the defect mode, to activate the at least one further LED string.

5:

• The electronic circuit of claim 1,
• wherein the LED module comprises at least one further LED string, and
• wherein the drive circuit is configured, in the defect mode, to deactivate the at least one further LED string.

6:

• The electronic circuit of claim 1,
• wherein the LED module comprises at least one further LED string, and
• wherein the drive circuit is configured, in the defect mode, to operate the at least one further LED string in the at least one defect cycle in accordance with the LED string.

8:

• The electronic circuit of claim 1, wherein the drive circuit is configured to count the number of defect cycles and deactivate the LED module when a predefined number of defect cycles has been reached.

9:

• The electronic circuit of claim 1, wherein the input voltage is a first input voltage, further comprising:
• a control circuit connected to the input of the LED circuit, configured to receive a supply voltage, and configured to generate the first input voltage of the LED circuit based on the supply voltage dependent on a second input voltage.

10:

• The electronic circuit of claim 6, wherein the control circuit is further configured to monitor an input current received by the LED circuit.

11:

• A method, comprising:
• by a drive circuit included in a light emitting diode (LED) circuit, monitoring an LED module for an occurrence of an LED short in an LED string and changing from a normal mode to a defect mode upon detection of the LED short,
• in the defect mode of the drive circuit, operating the LED string in at least one defect cycle that includes deactivating the LED string for a deactivation period, activating the LED string for an activation period, and checking for persistence of the LED short in the activation period.

12:

• The method of claim 11, further comprising:
• changing from the defect mode to the normal mode by the drive circuit when checking the persistence of the LED short in the activation period reveals that the LED short does not persist.

13:

• The method of claim 11, wherein a ratio between a duration of the activation period and a duration of the deactivation period in one drive cycle is between 1:10 and 1:100.

14:

• The method of claim 11,
• wherein the LED module comprises at least one further LED string, and
• wherein the method further comprises activating the at least one further LED string by the drive circuit in the defect mode.

15:

• The method of claim 11,
• wherein the LED module comprises at least one further LED string, and
• wherein the method further comprises deactivating the at least one further LED string by the drive circuit in the defect mode.

16:

• The method of claim 11,
• wherein the LED module comprises at least one further LED string, and
• wherein the method further comprises, by the drive circuit in the defect mode, operating the at least one further LED string in the at least one defect cycle in accordance with the LED string.

17:

• The method of claim 11, further comprising:
• communicating a defect notice indicating the detection of the LED short by the drive circuit to at least one further drive circuit connected to a further LED module,
• deactivating the further LED module connected thereto by the at least one further drive circuit upon receipt of the defect notice.

18:

• The method of claim 11, further comprising:
• by the drive circuit, counting a number of defect cycles and deactivating the LED module when a predefined number of defect cycles has been reached.

19:

• The method claim 11, further comprising:
• providing a first input voltage to the LED circuit based on a supply voltage and dependent on a second input voltage by a control circuit.

20:

• The method of claim 19, further comprising:
• by the control circuit, monitoring an input current received by the LED circuit.