OPTICAL APPARATUS
An optical apparatus comprising: a light-emitting device coupled to a controllable voltage supply configured to provide a supply voltage to the light-emitting device; a temperature sensor arranged to sense a temperature of the light-emitting device; a driver die comprising a driver circuit for drivi...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | An optical apparatus comprising: a light-emitting device coupled to a controllable voltage supply configured to provide a supply voltage to the light-emitting device; a temperature sensor arranged to sense a temperature of the light-emitting device; a driver die comprising a driver circuit for driving the light-emitting device; and a control module configured to: receive a voltage at the output of the light-emitting device; determine a target voltage that is to be provided at the output of the light-emitting device, wherein the control module is configured to determine the target voltage based on said temperature; and output a control signal to control the output of the light-emitting device to be at the target voltage in dependence on the voltage at the output of the light-emitting device. |
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