LCD screen detection device

A detection device and liquid crystal screen technology, applied in nonlinear optics, instruments, optics, etc., can solve the problems of inability to operate multiple detection devices at the same time, inability to draw an electromagnetic pen across the electromagnetic screen, and high labor intensity for inspection personnel. Good driving effect, easy installation and maintenance, low weight

Active Publication Date: 2018-06-22
苏州华星光电显示有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This detection method, relying on the manual operation of the detection personnel, can neither make the electromagnetic pen pass the electromagnetic screen completely according to the specified trajectory, nor can it detect efficiently; one detection personnel can only operate one detection device, and cannot operate multiple detection devices at the same time. Work
Moreover, using the existing testing equipment, the testing personnel are labor-intensive and time-consuming, and cannot meet the needs of large-scale testing

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0050] Such as figure 1 As shown, the liquid crystal screen testing device 100 includes a box body 110 and a support plate 120 for fixing the liquid crystal screen 130 . The upper surface 121 of the support plate 120 is used for fixing the liquid crystal screen 130 . There is a movable signal transmitting device below. The signal transmitting device is used to transmit a signal to the liquid crystal screen 130, and according to the response of the liquid crystal screen 130 to the signal, it can be judged whether the performance of the liquid crystal screen 130 is normal. In the example shown in the figure, the signal transmitting device is an electromagnetic pen 140 . The electromagnetic pen 140 emits electromagnetic wave signals towards the liquid crystal screen 130 . According to the response of the liquid crystal screen 130 to the electromagnetic wave signal, the quality of the liquid crystal screen 130 can be judged.

[0051] Such as figure 1 , figure 2 As shown, th...

Embodiment 2

[0063] Such as Figure 6 As shown, the difference between this embodiment and Embodiment 1 is that an air cylinder 190 is used as the driving device instead of the asynchronous motor 170 in Embodiment 1. The air cylinder 190 is mounted on the lower surface 122 of the support plate 120 . Cylinder 190 is a two-way motion cylinder. The air cylinder 190 includes a cylinder body 191 and a piston rod 192 . The piston rod 192 is telescopically disposed on the cylinder body 191 . The end of the piston rod 192 is connected with the slider 152 . By adopting the cylinder 190, the present embodiment does not need to use the transmission belt 173 and the driving wheel 172, the supporting wheel 174 and the tensioning wheel 175 matched with the transmission belt 173. The air cylinder 190 communicates with an air supply device (not shown in the figure) through an air supply pipeline, and the air supply device provides an air source. A solenoid valve is set on the gas supply pipeline to c...

Embodiment 3

[0066] Such as Figure 7 As shown, the difference between this embodiment and Embodiment 1 is that a linear motor is used to replace the asynchronous motor 170 , guide rail 151 and slider 152 in Embodiment 1. The linear motor includes coil windings 196 and permanent magnet bars 197 . Permanent magnet bars 197 are mounted on the lower surface 122 of the support plate 120 . The coil winding 196 is set on the permanent magnet bar 197 and can move along the permanent magnet bar 197 . Base 160 is mounted on coil winding 196 . Adopt linear motor, present embodiment needn't use asynchronous motor 170, transmission belt 173 and the driving wheel 172 that cooperates with transmission belt 173, support wheel 174 and tension wheel 175, and also do not need guide rail 151 and slide block 152.

[0067] The rest of the structure of this embodiment is the same as that of Embodiment 1.

[0068] The coil winding 196 can be reciprocated on the permanent magnet bar 197 by using the currents ...

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PUM

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Abstract

The invention discloses a liquid crystal display screen detecting device. The liquid crystal display screen detecting device is characterized by comprising a fixing device, a base and a driving device, wherein the fixing device is used for supporting and fixing a liquid crystal display screen, the base is used for fixing a start device and is movable, and the driving device is used for providing power; the fixing device supports and fixes the liquid crystal display screen; the driving device drives the base to move, the base is used for driving the start device to move to the position where the start device can start the liquid crystal display screen, and the base moves continuously at the position where the liquid crystal display screen can be made to work. According to the liquid crystal display screen detecting device, the movement trail of the base is limited through a guide device, a signal emitting device can be made to move according to a set path so that signals emitted by the signal emitting device can reach the set positions of the liquid crystal display screen, and it can be guaranteed that the base and the signal emitting device stably move.

Description

technical field [0001] The invention relates to a liquid crystal screen detection device, in particular to a touch screen detection device. Background technique [0002] Liquid crystal screens, referred to as liquid crystal screens, especially touch screens, are more and more widely used in electronic products. The touch screen may have quality problems during the production process. In order to avoid using problematic touch screens to produce mobile phones, tablet computers and other products, it is necessary to test the quality of touch screens. One of the electromagnetic touch screens, referred to as the electromagnetic screen, is equipped with an electromagnetic sensing module to control mobile phones and tablet computers by using electromagnetic waves directed at the screen. One of the detection methods for the electromagnetic screen is to first connect the electromagnetic screen to the power supply and communication connection, and the inspector holds an electromagne...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G02F1/13
CPCG02F1/1309G02F1/13338
Inventor 仇华徐成南黄晔陈昊
Owner 苏州华星光电显示有限公司
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