A displacement sensor and a mobile terminal using the displacement sensor

A displacement sensor, mobile terminal technology, applied in the direction of telephone structure and other directions, can solve the problem of inability to sense, and achieve the effect of saving cost, ensuring competitive advantage, and promoting application prospects.

Active Publication Date: 2016-04-13
HUIZHOU TCL MOBILE COMM CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In view of the above-mentioned deficiencies in the prior art, the object of the present invention is to provide a displacement sensor and a mobile terminal using the displacement sensor, aiming at solving the problem that the displacement sensor is stuck on the mobile phone due to black hair in the prior art when the mobile phone is talking. The problem of not being able to sense

Method used

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  • A displacement sensor and a mobile terminal using the displacement sensor
  • A displacement sensor and a mobile terminal using the displacement sensor
  • A displacement sensor and a mobile terminal using the displacement sensor

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] Such as figure 1 As shown, it is a mobile phone with a touch screen. The touch screen glass 10 is installed outside the display panel of the mobile phone, and a touch screen chip 200 is arranged on the FPC (flexible circuit board) 100 of the touch screen. The displacement sensor 300 is directly mounted on the FPC 100 of the touch screen. When assembling the mobile terminal, the FPC 100 needs to be bent so that the distance between the displacement sensor 300 and the touch screen glass 10 meets the specifications of the displacement sensor 300 . In this way, when the user uses the mobile phone to make a call, even if the hair is attached to the mobile phone, the phenomenon that the displacement sensor 300 cannot be sensed will not occur. Further, in this embodiment, as figure 2 As shown, after the FPC is bent, the distance d1 between the displacement sensor 300 and the lower surface of the touch screen glass 10 can be 0.35 mm. Hair failure problem.

[0028] It shoul...

Embodiment 2

[0030] Such as image 3 As shown, on the basis of Embodiment 1, the displacement sensor is also provided with a reinforcing steel sheet 400 on the FPC plane of the touch screen, and a positioning hole 410 is opened on the reinforcing steel sheet, and a corresponding position of the FPC plane is also provided with a corresponding position. The positioning hole (not shown in the figure) thus plays a role of precise positioning, and will not cause the problem of blocking light emission and reception at close range due to positioning deviation. In this embodiment, there are two positioning holes 410, which are arranged at two diagonal positions of the reinforcing steel sheet 400, and the diameter of the positioning holes 410 is 1 mm.

Embodiment 3

[0032] Further, as Figure 4 As shown, the lower side of the reinforcing steel sheet 400 is fixed on one side of the magnesium-aluminum alloy structural support frame 600 of the mobile terminal by double-sided adhesive 500, and the thickness d2 of the double-sided adhesive is 0.2 mm. The other side of the magnesium-aluminum alloy structural support frame 600 is connected to the main board. In addition, the thickness of the reinforcing steel plate 400 may also be 0.2 mm.

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Abstract

The invention relates to a displacement sensor and a mobile terminal with the same. The displacement sensor is directly bonded on an FPC (flexible printed circuit) of a touch screen so as to ensure that the distance from the displacement sensor to the touch screen meets the specification requirement of the displacement sensor and the problem that the displacement sensor cannot sense is perfectly solved; in addition, additional connectors are not needed, so that the displacement sensor has the effects of reducing the cost and ensuring the cost competitive advantage and has excellent popularization and application prospects.

Description

technical field [0001] The invention relates to the field of mobile terminal equipment, in particular to a displacement sensor and a mobile terminal using the displacement sensor. Background technique [0002] Displacement sensor: also known as proximity sensor (ProximitySensor), its principle is: use various components to detect the physical change of the object, and measure the distance displacement from the sensor to the object by converting the change into a distance . According to the different components used, it can be divided into optical displacement sensors, linear proximity sensors, ultrasonic displacement sensors, etc. [0003] Now many touch-screen mobile phones are equipped with proximity sensors. When a mobile phone user answers a call or puts the mobile phone in a pocket, the proximity sensor can judge that the mobile phone is close to the person's face or clothes and turn off the touch function of the screen. Misoperation can be prevented. [0004] Howeve...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04M1/02
Inventor 郭延顺
Owner HUIZHOU TCL MOBILE COMM CO LTD
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