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Method for setting weight of a droplet of liquid crystal and method for dropping the droplet

A liquid crystal and weight technology, applied in the direction of devices, optics, instruments, etc. that apply liquid to the surface, can solve problems such as difficult to shorten the time spent

Inactive Publication Date: 2012-07-04
TOP ENG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0032] It is difficult for the bulk coating operation to shorten the time it takes to drop the required number of liquid crystal liquid droplets onto each panel area compared to the partial coating operation

Method used

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  • Method for setting weight of a droplet of liquid crystal and method for dropping the droplet
  • Method for setting weight of a droplet of liquid crystal and method for dropping the droplet
  • Method for setting weight of a droplet of liquid crystal and method for dropping the droplet

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Embodiment Construction

[0129] Reference will now be made in detail to the preferred embodiments of the invention, examples of which are illustrated in the accompanying drawings.

[0130] image 3 is a perspective view of a liquid crystal coating machine according to the present invention, in which a method of setting the weight of a liquid crystal liquid droplet as a reference weight and a method for dropping a liquid crystal liquid droplet having a reference weight from a nozzle onto a method on each panel area delineated on the motherboard.

[0131] Such as image 3 As shown, the LC coating machine includes a main frame 11 , a workbench 12 , a pallet 13 , a first drive unit 14 , a coating head unit support frame 15 , a second drive unit 17 , a coating head unit 20 and an electronic scale 30 .

[0132] The workbench 12 is fixedly arranged on the main frame 11 . The pallet 13 is movably arranged on the workbench 12 . The pallet 13 is movable along the Y-axis direction. A motherboard is installe...

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Abstract

Provided is a method for setting a weight of a droplet of liquid crystal to a reference weight by dropping the droplet of liquid crystal with the reference weight from a nozzle by sliding down a piston with a suitable distance in a cylinder. The advantages of the method is that even the inner wall of the cylinder is nonuniform due to lack of precision and accuracy during a period of preparing thecylinder and the piston as well as mounting the piston in the cylinder, the droplet of liquid crystal with the reference weight is dropped on each of panel areas defined on a mother substrate, such that each of the panel areas may obtain required droplets of liquid crystal.

Description

technical field [0001] The invention relates to a liquid crystal coating machine. Background technique [0002] Generally, an LCD consists of a TFT array substrate, a color filter array substrate, and a liquid crystal layer sandwiched between them. By controlling the voltage applied across the liquid crystal layer in each pixel, light is allowed to pass through in variable ways to make up different shades of gray. [0003] The liquid crystal (LC) coating machine is used to apply the amount corresponding to the reference liquid crystal on each panel area demarcated on the TFT array substrate or color filter array substrate referred to as "mother plate (MP)" hereinafter. A certain amount of liquid crystal is coated in the form of multiple LC droplets. After the amount of liquid crystal was discharged onto each panel area, the two masters were bonded to each other. Thereafter, the bonded motherboard is cut into separate panels. A separated panel using this panel area will b...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G02F1/1341
CPCB05C11/10G02F1/1303G02F1/1341
Inventor 崔秀铉郑载宽崔在文
Owner TOP ENG CO LTD
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