Full-lamination touch display screen with middle frame, manufacturing method thereof and touch device

A touch display, full-fit technology, applied in the input/output process of data processing, instruments, electrical and digital data processing, etc., can solve the problems of time-consuming and laborious, high product cost, inapplicability, etc. , The effect of reducing the reflectivity and increasing the transmittance

Inactive Publication Date: 2017-01-04
SHENZHEN DIRET TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For the "In-cell" method and the "On-cell" method, it is equivalent to embedding the touch panel directly into the display screen, which requires no other structures such as a middle frame between the touch panel and the display screen. It is fixed by the outer frame, and the product cost is high and the yield rate is low. Currently, it is only suitable for mobile phone screens, and it is not suitable for large-size touch screens and touch screens with other structures such as middle frames between the touch panel and the screen. Preparation of Display
Existing vehicle-mounted touch devices need to set a middle frame between the large-size touch panel and the large-size display screen. The traditional method is to glue the touch panel and the display screen to the middle frame respectively by dispensing glue, but this operation is manual. The operation is time-consuming and labor-intensive, and the bonding is not firm, it is easy to fall off each other, and dust is easy to enter between the touch panel and the display screen

Method used

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  • Full-lamination touch display screen with middle frame, manufacturing method thereof and touch device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0067] A method for preparing a full-fit touch display screen with a middle frame. A middle frame is set between the display screen and the touch panel, and a hot-melt adhesive film is spread between the display screen and the touch panel in the middle frame. The lamination equipment is heated and fixed after lamination. The upper surface temperature of the hot-melt adhesive layer is 65°C during lamination, and the lower surface temperature of the hot-melt adhesive layer is 60°C during lamination. Lamination is performed for 5 minutes to obtain a full lamination contact with a middle frame. control display.

Embodiment 2

[0069] A method for preparing a full-fit touch display screen with a middle frame. A middle frame is set between the display screen and the touch panel, and a hot-melt adhesive film is spread between the display screen and the touch panel in the middle frame. The bonding equipment is heated and fixed after pressing. The temperature of the upper surface of the hot melt adhesive layer is 70°C during pressing, and the temperature of the lower surface of the hot melt adhesive layer is 65°C during pressing. Pressing for 1 minute, a full-fitting contact with a middle frame is obtained. control display.

Embodiment 3

[0071] A method for preparing a full-fit touch display screen with a middle frame. A middle frame is set between the display screen and the touch panel, and a hot-melt adhesive film is spread between the display screen and the touch panel in the middle frame. The lamination equipment is heated and fixed after lamination. The upper surface temperature of the hot melt adhesive layer is 68°C during lamination, and the lower surface temperature of the hot melt adhesive layer is 63°C during lamination, and the lamination lasts for 4 minutes;

[0072] Carry out defoaming with defoaming machine then, defoaming pressure is 0.1kPa, and defoaming time is 10min;

[0073] Then use a UV curing machine for UV light curing, and the UV light energy density is 800MJ / cm 2 , the UV curing time is 30s, and a fully laminated touch display screen with a middle frame is obtained.

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Abstract

The invention provides a full-lamination touch display screen with a middle frame, a manufacturing method thereof and a touch device. According to the manufacturing method of the full-lamination touch display screen with the middle frame, a touch panel, the middle frame and a display screen body are sequentially arranged from top to bottom, hot melt adhesive is evenly coated between the display screen body and the touch panel in the middle frame, and the hot melt adhesive can be evenly distributed in a space composed of the touch panel, the middle frame and the display screen body through pressing and heating, so that the touch panel, the middle frame and the display screen body are firmly attached in an adhesive mode, the touch panel and the display screen body form a full-lamination structure, the reflection rate is fully reduced, light transmittance is improved, dust is prevented from entering the area between the touch panel and the display screen body, and water mist is prevented from entering the area between the touch panel and the display screen body in winter. The touch display screen and the touch device are designed to be of a full-lamination structure, the reflection rate can be greatly reduced, and light transmittance is improved, so that dust is prevented from entering the area between the touch panel and the display screen body, water mist is prevented from entering the area between the touch panel and the display screen body in winter, and the touch panel and the display screen body are connected more firmly.

Description

technical field [0001] The present invention relates to the field of touch screen bonding, in particular to a fully bonded touch display screen with a middle frame, a preparation method thereof, and a touch device. Background technique [0002] Touch screen (touch screen), also known as "touch screen" or "touch panel", is an inductive liquid crystal display device that can receive input signals such as contacts. The tactile feedback system can drive various connecting devices according to the pre-programmed program, which can be used to replace the mechanical button panel, and create vivid audio-visual effects through the liquid crystal display screen. As the latest computer input device, the touch screen gets rid of keyboard and mouse operations, making human-computer interaction more straightforward. It is currently the simplest, most convenient and natural way of human-computer interaction. It endows multimedia with a new look and is a very attractive new multimedia inte...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F3/041
CPCG06F3/041G06F2203/04103
Inventor 李显金
Owner SHENZHEN DIRET TECH CO LTD
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