Views: 220 Author: Best Electronic Adhesives Glue Manufacturer Publish Time: 2022-08-17 Origin: https://www.deepmaterialcn.com/
One Component Mini Led And LCD Optical Bonding Adhesive Glue For Metal To Plastic And Glass
Optical bonding is an exceedingly essential process related to Liquid Crystal Displays (LCDs). The method uses specific adhesives to fix a protective cover over an LCD panel. The former component and the fixing agent generally remain clear or transparent so that an individual can see through from the user side.
Optical bonding aids in eliminating or removing the air gaps that may exist between the two layers of the LCD screen and protective cover. Additionally, it helps boost screen visibility.
Which Adhesives Generally Get Utilized for LCD Optical Bonding?
The selection of an appropriate adhesive is a crucial point in the entire process of optical bonding LCD screens and panels. It helps ensure the success and longevity of the method. Furthermore, it guarantees that the fixed components do not come off without reason.
Conventionally, an adhesive whose refractive index matches the overlay and the flat panel gets chosen. It is because such fixing materials address issues such as air gap removal, internal reflecting surface number reduction, and haze resistance. It, in turn, ensures the highest standard and level of optical performance. Also, an appropriate adhesive between the two components can improve the display’s resistance to vibration, shock, and moisture.
Two adhesives get chosen considering these requirements and factors. They entail liquid optically clear adhesive (LOCA) and optically clear resin (OCR). They prove worthy candidates for various optical bonding applications. It can get owed to their haze resistance and design flexibility.
However, LOCA is more popular than OCR due to its added advantages.
What are the Various Benefits of Utilizing Liquid Optically Clear Adhesive for LCD Optical Bonding Purposes?
Liquid optically clear adhesive or LOCA is a UV stable, non-aging, and silicone-free substance that helps fix or attach LCD screens. It generally gets applied over a specific component, such as the cover glass. After that, it gets bonded to the touch-screen panel.
A few advantages associated with LOCA include the following:
LOCA is more re-workable compared to other adhesives. In other words, it has higher flexibility. Thus, it can get adjusted or repaired even after the curing process.
• Superior Adhesion
Unlike most other adhesives, LOCA can get used for attaching uneven or rough surfaces. It offers a superior fixing capability irrespective of the LCD panel structure. It can get owed to its liquid state that can fill all gaps.
• Haze Resistance
Haze formation is a detriment to all optical surfaces such as LCD panels. However, this issue does not occur with LOCA. It is because of its haze, condensation, and fog resistance.
The adhesion offered by LOCA is highly durable and lasts for a significant time.
• Thinner Design
LOCA allows for much thinner designs of the final product. It, in turn, improves various properties of the device or gadget. For instance, it makes the appliance lightweight.
LOCA is generally entirely pure and free from all contaminants. It allows it to have improved resistance to bubble formations in lamination when the substance gets exposed to high humidity and temperature.
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