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Touch screen bonding process

by:Toponetech     2021-10-16
As the full bonding process has become the basic configuration of touch screen bonding, the current mainstream mid-to-high-end touch screen and display module combination technology on the market adopts the full bonding process; most manufacturers use the OCA full bonding method, but because this method only It is suitable for small and medium size fitting, which has been unable to fully meet the requirements of industry development. Faced with the many bottlenecks encountered in the OCA full bonding process, one of the solutions is to develop a new bonding process to meet market demand. At this time, the advantages of water glue full lamination are gradually becoming prominent. It has the characteristics of high light transmittance, low cost, wide use size, high yield, etc., especially for the full lamination of medium and large sizes, which has obvious cost and process advantages. It is precisely based on these that the industry has anticipated that in the future medium and large-size fully-laminated products will be the mainstream trend of water-adhesive fully-laminated technology! Rongguan Optoelectronics Technology Co., Ltd. is a high-tech enterprise integrating touch screen research and development, design, production, sales and service. It has set up a special touch screen manufacturing base and two touch screen laboratories. In 2014, the company released a new water glue full laminating machine. The new water glue full laminating machine achieved a new breakthrough based on the research and technology accumulation of water glue technology-slit coating (Slit Coating), Jelly glue process! With the dual advantages of ordinary water glue and OCA, it can realize controllable glue overflow, mass production, and high yield in a true sense, and solve the difficult problem of water glue full bonding. The three major problems that plague water glue bonding are the glue overflow problem: the liquid fluid needs to control its flow direction and the specific shape and size formed after leveling, which has always been a technical problem. Liju Technology has successfully integrated the common advantages of 'Slit Coating Technology' and 'Jelly Water Glue TechnologyThickness problem: The thickness control formed by liquid objects after flowing is also one of the difficulties. The thickness control that can be achieved by self-leveling + time control also has certain limitations. Based on years of research, the coating components and automatic height compensation system built by Liju Technology based on the marble platform can adjust the flatness to high, which can effectively control the thickness uniformity of the glue coating. Bubble problem: As a liquid object, glue has a certain gas solubility, which means that the glue contains a certain amount of gas in it. Stirring, the flow is prone to gas gathering to form bubbles. According to the characteristics of water glue, Liju Technology uses a vacuum chamber to complete the full lamination, with less bubbles, low pressure, and easy defoaming. Behind the large-scale and high-yield rate is the craftsmanship. We devote ourselves to the research and development of new technologies, hoping to provide sustainable and effective support to our customers! In the future, we will continue to innovate, continue to integrate high-quality resources, and make unremitting efforts to create better user value!
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