Acceleration sensor, display device, detecting system and detecting method
AssigneesBoe Technology Group Co., Ltd., Beijing Boe Optoelectronics Technology Co., Ltd.
InventorsJiuxia Yang, Zhidong Wang
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Abstract
An acceleration sensor, a display device, a detecting system and a detecting method are provided; the acceleration sensor includes two electrodes arranged opposite to and insulated from each other, and a cavity arranged between the two electrodes; a liquid layer is arranged in the cavity, and the liquid layer occupies a portion of internal space of the cavity. A display device integrated with the acceleration sensor has advantages such as high degree of integration, compact structure and low production cost and so on.
Claims20
A detecting system for a display device, the display device comprising at least three acceleration sensors, and
- each of the acceleration sensors comprising:
- two electrodes arranged opposite to and insulated from each other, and
- a cavity arranged between the two electrodes,
- wherein, a liquid layer is arranged in the cavity, and the liquid layer occupying a portion of internal space of the cavity;
- and
- the detecting system comprising:
- a signal receiving module, configured to acquire capacitance values of the at least three acceleration sensors at a first time and capacitance values of the at least three acceleration sensors at a second time, respectively;
- a calculating module, configured to respectively calculate a capacitance value change amount of each of the acceleration sensors according to the capacitance value at the first time and the capacitance value at the second time, respectively calculate a sensing result of each of the acceleration sensors according to the capacitance value change amount, and calculate an absolute value of a difference between a sensing result of each of the acceleration sensors and a sensing result of each of the remaining acceleration sensors;
- and
- a judging module, configured to determine whether the absolute value is in a predetermined threshold range, wherein, if an absolute value of a difference between a sensing result of one acceleration sensor and a sensing result of each of at least two of the remaining acceleration sensors is out of the predetermined threshold range, the sensing result of the acceleration sensor is determined not in a normal range,
- wherein, the sensing result is an acceleration or a displacement.
A detecting method for a display device, the display device comprising at least three acceleration sensors, and
- each of the acceleration sensors comprising:
- two electrodes arranged opposite to and insulated from each other, and
- a cavity arranged between the two electrodes,
- wherein, a liquid layer is arranged in the cavity, and the liquid layer occupying a portion of internal space of the cavity;
- and
- the detecting method comprising:
- acquiring capacitance values of the at least three acceleration sensors at a first time and capacitance values of the at least three acceleration sensors at a second time, respectively;
- respectively calculating an a capacitance value change amount of each of the acceleration sensors according to the capacitance value at the first time and the capacitance value at the second time, respectively calculate a sensing result of each of the acceleration sensors according to the capacitance value change amount, and calculate an absolute value of a difference between a sensing result of each of the acceleration sensors and a sensing result of each of the remaining acceleration sensors;
- and
- determining whether the absolute value is in a predetermined threshold range, wherein, if an absolute value of a difference between a sensing result of one acceleration sensor and a sensing result of each of at least two of the remaining acceleration sensors is out of the predetermined threshold range, the sensing result of the acceleration sensor is determined not in a normal range,
- wherein, the sensing result is an acceleration or a displacement.
Dependencies are inferred from the claim text.