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US 11,893,916 B2Granted
Method for measuring temperature in integrated circuit, integrated circuit having temperature sensor, and display device
AssigneeLx Semicon Co., Ltd.
InventorsYong Sung Ahn, Hyo Joong Kim, Jae Sik Cho
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Abstract
An embodiment relates to a method of measuring an ambient temperature by using a temperature sensor provided in an integrated circuit (IC) and a measurement error of a temperature sensor may be improved by correcting an output value of a temperature sensor by using a correction value stored in a memory.
Claims18
A method for measuring a temperature, the method comprising:
- sensing a signal corresponding to a temperature by a temperature sensor included in an integrated circuit (IC);
- identifying an amount of power consumed according to an operation of the IC;
- generating a correction value corresponding to the identified amount of power;
- and
- generating an estimate value of an ambient temperature based on the correction value and the signal sensed by the temperature sensor,
- wherein a thermal resistance value of the temperature sensor is configured to be set based on a first amount of power consumed according to the operation of the IC and a first correction value corresponding to the first amount of power.
3 more elements
An integrated circuit (IC) comprising:
- a temperature sensor configured to sense a signal corresponding to a temperature;
- a correction value generating circuit configured to identify an amount of power consumed according to an operation of the IC and generate a correction value corresponding to the amount of power;
- and
- a data correction circuit configured to generate an estimate value of an ambient temperature based on the correction value generated by the correction value generating circuit and the signal sensed by the temperature sensor
- wherein the correction value generating circuit is configured to set a thermal resistance value of the temperature sensor based on a first amount of power consumed according to the operation of the IC and the first correction value corresponding to the first amount of power.
2 more elements
A display device comprising:
- a data driving circuit configured to generate a data voltage corresponding to a grayscale value of each pixel;
- and
- a panel including a plurality of pixels arranged therein and causing the plurality of pixels to emit light based on the data voltage received from the data driving circuit,
- wherein the data driving circuit includes:
- a temperature sensor configured to sense a signal corresponding to a temperature;
- a correction value generating circuit configured to identify an amount of power consumed according to an operation of the data driving circuit and to generate a correction value corresponding to the amount of power;
- and
- a data correction circuit configured to generate an estimate value of an ambient temperature based on the correction value generated by the correction value generating circuit and the signal sensed by the temperature sensor
- wherein the correction value generating circuit is configured to set a thermal resistance value of the temperature sensor based on a first amount of power consumed according to the operation of an integrated circuit (IC) and a first correction value corresponding to the first amount of power.
6 more elements
Dependencies are inferred from the claim text.