公开(公告)号：US09297703B2

公开(公告)日：2016-03-29

申请号：US13705439

申请日：2012-12-05

Applicant: Samsung Display Co., Ltd.

Inventor： Gil-Jae Lee ,  Choong-Sun Shin

IPC: G01K7/00 ,  G01K7/32

CPC classification number: G01K7/00 ,  G01K7/32

Abstract: A temperature sensing device includes a first frequency generator for generating a first clock signal having a first frequency that is constant regardless of a temperature; a second frequency generator for generating a second clock signal having a second frequency that is changed according to the temperature; and a data holding unit for outputting a temperature code indicating a number of pulses of the second clock signal counted for a reference time at which a number of pulses of the first clock signal reaches a predetermined threshold. The temperature sensing device does not require a reference clock signal input from the outside and is insensitive to the change in the process, thereby being capable of improving the performance of the temperature sensing device.

Abstract translation: 温度感测装置包括：第一频率发生器，用于产生第一时钟信号，该第一时钟信号的第一频率与温度无关; 第二频率发生器，用于产生具有根据温度而改变的第二频率的第二时钟信号; 以及数据保持单元，用于输出指示第一时钟信号的脉冲数达到预定阈值的参考时间计数的第二时钟信号的脉冲数的温度代码。 温度感测装置不需要从外部输入的参考时钟信号，并且对该过程的变化不敏感，从而能够提高温度感测装置的性能。