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Thinning device and thinning method

A technology of carrying device and height adjusting device, which is applied in nonlinear optics, instruments, optics, etc., can solve the problems of complex thinning process of display panel, poor product yield and poor display effect, so as to improve display effect and increase product quality. The effect of efficiency and simplification of the thinning process

Active Publication Date: 2018-06-29
BOE TECH GRP CO LTD +1
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Aiming at the above-mentioned deficiencies in the prior art, the present invention provides a thinning device and a thinning method, which are used to at least partially solve the problems of complicated thinning process, poor product yield and display effect of the existing display panel

Method used

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  • Thinning device and thinning method

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Embodiment Construction

[0048] The technical solutions in the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the present invention. Apparently, the described embodiments are part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0049] The invention provides a thinning device, such as figure 1 As shown, the thinning device includes: a height adjustment device 1 , an etching rate adjustment unit, a carrying device 2 and a liquid chamber 3 , the carrying device 2 is used to fix the display panel 4 , and the liquid chamber 3 is used to hold the etching liquid 5 . The carrying device 2 is located in the liquid chamber 3 and is connected to the top cover 31 of the liquid chamber 3 through the height adjusting device 1 ...

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Abstract

The invention provides a thinning device and a thinning method. A carrying device is utilized to fix a display panel, a height adjusting device is utilized to adjust a distance between the display panel and etching liquid in a liquid bin, and a first substrate is thinned step by step by enabling the first substrate of the display panel to contact with the etching liquid; preliminary thinning is realized at a first thinning stage, quick thinning is realized at a second thinning stage, slight thinning is realized at a third thinning stage, in this way, defects on the first substrate are not completely etched by the etching liquid too early, so that defect amplifying is avoided; correspondingly, defects like concave points and scratches on the surface of the display panel can be eliminated without through an extra polishing process, so that the thinning process of the display panel is simplified, the problem of chippings caused by the polishing process can be avoided, product yield is increased, and display effect is improved.

Description

technical field [0001] The invention relates to the field of display technology, in particular to a thinning device and a thinning method. Background technique [0002] The development of liquid crystal display panels is changing with each passing day, and has become an indispensable part of people's lives. Due to its advantages of large viewing area, uniform and compact volume, low-voltage micro-power consumption, flat-panel structure, passive display, large amount of displayed information, easy colorization, no electromagnetic radiation and long life, the fields involved in liquid crystal display panels are also gradually expand. With the continuous update of technology and equipment, the display effect has been greatly improved, bringing great convenience to our life and work. [0003] With the development trend of light and thin in the market, the display panel needs to be thinned after the box alignment process. At present, the overall thinning process is carried out ...

Claims

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Application Information

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IPC IPC(8): G02F1/13
CPCG02F1/1303
Inventor 田维
Owner BOE TECH GRP CO LTD
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