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Method for determining whether liquid crystal droplet drops

A liquid crystal and droplet technology, applied in nonlinear optics, instruments, optics, etc., can solve problems such as poor connection of optical cables and changes in sensor sensitivity

Inactive Publication Date: 2010-02-03
TOP ENG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0062] Finally, environmental factors such as particles or lighting can cause changes in the sensitivity of the sensor
[0063] A poor connection of the fiber optic cable between the transmitting part 25a and the amplifier or a bad connection of the fiber optic cable between the receiving part 25b and the amplifier can cause a change in the sensitivity of the sensor
The poor connection of the optical cable is caused by the vibration of the coating head unit and the coating head unit support frame during operation

Method used

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  • Method for determining whether liquid crystal droplet drops
  • Method for determining whether liquid crystal droplet drops
  • Method for determining whether liquid crystal droplet drops

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Embodiment Construction

[0076] Preferred embodiments of the invention will now be described in detail, examples of which are illustrated in the accompanying drawings.

[0077] Figure 4 is a flow chart showing the steps of determining whether a liquid crystal droplet is dropped.

[0078] refer to figure 1 , 3 and 4, a method for determining whether liquid crystal droplets are falling, according to an embodiment of the present invention, the method includes enabling the control unit to send a signal to the sensor (S10); enabling the sensor to receive the signal at the moment, Determine the detection value by detecting the amount of light incident on the sensor (S20); enable the sensor to obtain a reference value using the detection value (S30); input the reference value to the sensor (S40), and enable the control unit to determine the liquid crystal liquid based on the reference value. Whether the drop is dripping (S50).

[0079] In step S10 , before fixing the motherboard MP to the pallet 13 , the...

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Abstract

The invention provides a method for determining whether a liquid crystal droplet drops, which includes a first step as enabling the control unit to send signal to the sensor; a second step as enablingthe sensor to determine the detection value by the light quantity emitted into the sensor when the signal is received; a third step as enabling the sensor to obtain the reference value by the detection value; a forth step as inputting the reference value to the sensor; and a fifth step as enable the control unit to determine whether liquid crystal droplets drop based on the reference value. The invention has advantages that whether a droplet of liquid crystal is discharged through the nozzle can be determined in a precise manner; time is saved for obtaining the reference value of the sensor,and inputting the obtained reference value to the signal processing unit; and furthermore, the reference value of the sensor for detecting the liquid crystal droplets is obtained with the need of actually discharing the droplets.

Description

technical field [0001] The invention relates to a method for determining whether a liquid crystal droplet is dripping. Background technique [0002] Liquid crystals are an intermediate phase between crystalline solids and isotropic liquids, and combine some properties of crystalline structures with those of deformable fluids. LCDs (Liquid Crystal Displays) take advantage of their liquid crystal fluidity and the anisotropy associated with their crystalline properties. Applications for LCDs are found in mobile phones, portable computers, desktop monitors, and LCD televisions. [0003] The LCD consists of a TFT array substrate, a color filter array substrate, and a liquid crystal layer sandwiched between the two substrates. [0004] By controlling the voltage applied across the liquid crystal layer in each pixel, light is allowed to pass through in variable amounts, making up different shades of gray. [0005] The LC (liquid crystal) coater is used to coat liquid crystal on ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02F1/1341
CPCG02F1/1309G02F1/1341G02F1/13415
Inventor 申承炫梁月俊
Owner TOP ENG CO LTD
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