Fully-glued curved surface touch control display screen and manufacturing process thereof
A technology of touch screen display and manufacturing process, which is applied in lamination devices, lamination auxiliary operations, instruments, etc., which can solve the problems of blurred images, weak adhesion, easy to fall off, and easy fogging of framed products, and achieve the finished product High efficiency, high stability of finished products, and stable degassing process
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Embodiment 1
[0025] A manufacturing process for a full-fit curved touch display screen, comprising the following steps:
[0026] 1) Pre-lamination: pre-laminate the sequentially overlapping ultra-thin glass 11, touch film 12, and plexiglass 13 with solid ultraviolet flexible glue 10, the thickness of the solid ultraviolet flexible glue is 50-100 μm;
[0027] 2) Hot bending: such as figure 2 As shown, the pre-laminated components are placed on the hot bending device and heated on one side to form the required arc. The bending temperature is 30-40°C, the time is 1-20min, and the arc is 5-30; The device includes a heating plate 2 with a heating component 3 at the bottom of the heating plate 2;
[0028] 3) OLED display bending: place the OLED display on a mold with the same thermal bending arc as the pre-laminated component to naturally bend and shape;
[0029] 4) Use solid ultraviolet flexible glue to bond the hot-bent pre-laminated components and the curved OLED display into a pre-laminat...
Embodiment 2-3
[0036] Using the same preparation method as in Example 1, the difference is that the thickness, pressure, temperature, time and curvature in the pre-lamination, degassing and heat bending steps listed in Table 1 are used to replace the corresponding ones used in Example 1. Numerical values to form full-fit curved touch screens of different sizes.
[0037] Table 1
[0038]
[0039] In the embodiment, if the thickness of the solid ultraviolet flexible adhesive is less than 50 μm, the fluidity is not enough, and thickness difference is likely to occur. If the thickness is higher than 300 μm, the fluidity is too full and overflowing glue is likely to occur. If the temperature and pressure are lower than the limit value, the solid ultraviolet flexible adhesive will not be easily bonded to each component; during the defoaming process, the temperature is 30-65°C, the pressure is 0.5-10kg, and the defoaming time is 10-250 minutes. If the value is higher than the limit value, the ...
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