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
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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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