TEMPERATURE DETECTION DEVICE
First Claim
Patent Images
1. A temperature detection device, comprising:
- a circuit board;
a temperature sensor disposed on the circuit board and overlapped with a light source module, the temperature sensor and the light source module forming a heat conduction path; and
at least one signal transmission line connected to the circuit board to output a sensing signal of the temperature sensor.
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Abstract
A temperature detection device includes a circuit board, a temperature sensor, and at least one signal transmission line. The temperature sensor is disposed on the circuit board and overlapped with a light source module, and the temperature sensor and the light source module forms a heat conduction path. The signal transmission line is connected to the circuit board to output a sensing signal of the temperature sensor.
3 Citations
20 Claims
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1. A temperature detection device, comprising:
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a circuit board; a temperature sensor disposed on the circuit board and overlapped with a light source module, the temperature sensor and the light source module forming a heat conduction path; and at least one signal transmission line connected to the circuit board to output a sensing signal of the temperature sensor. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A temperature detection device, comprising:
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a circuit board; a temperature sensor disposed on the circuit board and overlapped with a light source module, the circuit board having at least one pad and at least one trace connected between the pad and the temperature sensor; and at least one signal transmission line connected to the circuit board through the pad to output a sensing signal of the temperature sensor to a signal processing circuit. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17, 18)
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19. A temperature detection device for detecting a temperature of an LED die, the temperature detection device comprising:
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a flexible printed circuit board; a thermistor disposed on the flexible printed circuit board and overlapped with the LED die; a heat conductive medium disposed between the thermistor and the LED die and in contact with the thermistor and the LED die, and the thermistor, the heat conductive medium and the LED die forming a heat conduction path; at least one signal transmission line connected to the flexible printed circuit board, the signal transmission line outputting a resistance signal of the thermistor to a signal processing circuit to convert the resistance signal into a corresponding temperature value; and a rigid printed circuit board attached to one side of the flexible printed circuit board. - View Dependent Claims (20)
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Specification