Sealing-glue-spreading controlling method for display-panel mother board

A display panel and control method technology, applied in semiconductor/solid-state device manufacturing, optics, instruments, etc., can solve the problems of low yield rate of display screen, low production efficiency, and easy corrosion of conductive film, so as to reduce cost and improve yield The effect of avoiding damage to the display screen

Inactive Publication Date: 2018-12-07
TRULY SEMICON
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to provide a method for controlling the unfolding of the sealant on the mother board of the display panel, so as to solve the problem that the conductive film caused by the uncontrolled glue unfolding process in the pasting process of the display panel in the prior art is easily corroded, cut and broken. The technical problems of low display yield and low production efficiency caused by the difficulty of disconnection between single grains and single grains

Method used

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  • Sealing-glue-spreading controlling method for display-panel mother board
  • Sealing-glue-spreading controlling method for display-panel mother board
  • Sealing-glue-spreading controlling method for display-panel mother board

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Embodiment 1

[0050] like Figure 1-2 As shown, the present embodiment provides a sealant expansion control method for OLED display panel mother boards. Several ring-shaped sealant areas 3 are set on the mother cover 2 of a large OLED display panel, and the sealant 5 is placed on the mother board. 7 and the mother cover plate 2 are coated on the ring-shaped rubber area 3 before relative bonding, and a cutting line is preset between adjacent ring-shaped rubber areas 3, and the cutting path of the cutting knife 1 coincides with the cutting line A first etching groove 4 is formed outside the edge of the annular sealant area 3 of the mother cover 2, and a second etching groove is formed inside the edge of the annular sealant area 3 of the mother cover 2. The mother cover 2 A desiccant groove is provided on the inner surface; a display device and a desiccant 6 are also included between the mother cover plate 2 and the mother substrate 7, and the display device includes an anode layer 8, an organ...

Embodiment 2

[0057] like Figure 3-4 As shown, the present embodiment provides a sealant expansion control method for OLED display panel mother boards. Several ring-shaped sealant areas 3 are set on the mother cover 2 of a large OLED display panel, and the sealant 5 is placed on the mother board. 7 and the mother cover plate 2 are coated on the ring-shaped rubber area 3 before relative bonding, and a cutting line is preset between adjacent ring-shaped rubber areas 3, and the cutting path of the cutting knife 1 coincides with the cutting line A first etching groove 4 is formed outside the edge of the annular sealant area 3 of the mother cover 2, and a second etching groove is formed inside the edge of the annular sealant area 3 of the mother cover 2. The mother cover 2 A desiccant groove is provided on the inner surface; a display device and a desiccant 6 are also included between the mother cover plate 2 and the mother substrate 7, and the display device includes an anode layer 8, an organ...

Embodiment 3

[0061] like Figure 5-6 As shown, the present embodiment provides a sealant expansion control method for OLED display panel mother boards. Several ring-shaped sealant areas 3 are set on the mother cover 2 of a large OLED display panel, and the sealant 5 is placed on the mother board. 7 and the mother cover plate 2 are coated on the ring-shaped rubber area 3 before relative bonding, and a cutting line is preset between adjacent ring-shaped rubber areas 3, and the cutting path of the cutting knife 1 coincides with the cutting line A first etching groove 4 is formed on the outside of the edge of the annular sealant area 3 of the mother cover 2, and a second etching groove 11 is formed on the inside of the edge of the annular sealant area 3 of the mother cover 2. The second etching groove 11 is for Figure 5 , Image 6 In the area between the dotted line and the inner edge of the ring seal area 3, the inner surface of the mother cover 2 is provided with a desiccant groove 12; a ...

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Abstract

The invention provides a sealing-glue-spreading controlling method for a display-panel mother board. As etching grooves and / or an etching groove are / is formed in the outer sides and / or the outer sideof annular frame glue areas and / or an annular frame glue area of a mother cover board and / or a mother substrate, excessive spreading of sealing glue towards a cutting area in the laminating process can be effectively controlled, glue adhering between single-particle display screens after particle cutting is avoided accordingly, the production efficiency is improved, breakage, caused in the adhesive separating process, of the display screens is solved, the yield of products is increased, and the production cost is reduced; as etching grooves and / or an etching groove are / is formed in the inner sides and / or the inner side of the annular frame glue areas and / or the annular frame glue area of the mother cover board and / or the mother substrate, it can be effectively avoided that the sealing glueis in contact with display devices after laminated spreading, and it is avoided that as the sealing glue is excessively spread, the display devices are corroded; the yield of the products is increased, and the cost is reduced; in addition, due to etching grooves in cutting baths, the cutting thickness in the cutting process is thinned, the cutting efficiency is improved, the productivity of the products is increased, and the product cost is reduced.

Description

technical field [0001] The invention relates to the technical field of display panels, in particular to a method for controlling the unfolding of a sealant in the lamination process of a motherboard of a display panel. Background technique [0002] Display is a kind of product with high popularity since entering the era of intelligence in the 21st century. It is widely used in mobile terminals such as mobile phones or tablet computers, industrial control such as assembly line control or human-computer interaction of digital machine tools, electronic games, multimedia teaching, etc. and other fields closely related to human production and life. As a mature and convenient information output device, the display screen is the simplest, natural and most popular way of human-computer interaction in today's society. an integral part of. [0003] At present, LCD display panels and OLED display panels are two types of mainstream display screens. LCD display panels have size advanta...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02F1/1339H01L51/52
CPCG02F1/1339H10K50/84
Inventor 黄炯栋高岳亮阮小龙
Owner TRULY SEMICON
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