What Is Optical Bonding & Why It Is Important?

Optical Bonding

Laminating touchscreens or covering glass with a display utilizes optical Bonding. The whole process necessitates using a particular adhesive and a unique manufacturing process. What’s in store for us? The following section will discuss other advantages, such as superior optics and longer-lasting goods.

What Exactly Is Optical Bonding?

Bonding the TFT LCD TFT panel to the glass or touchscreen creates a solid lamination without gaps or pockets of air. Optical Bonding is a procedure. Optical Bonding is one such option to explore.

Optical Bonding Works Well in The Following Sectors

Because of the hostile settings in which these sectors operate, optical Bonding is a popular choice for those who need a display that performs better than standard displays. Displays under high ambient light are well-suited to optical Bonding, which is ideal for companies that utilize full displays in high-reliability situations. Optical Bonding is especially well-suited in outdoor or brightly lit areas and more effective than other connection methods.

While this isn’t a big issue under standard viewing settings, it may negatively impact specific situations, such as when placed outside.

The following are the top advantages optical bonding:

Increased Sturdiness

The hardened adhesive beneath the glass functions as a stress absorber for the cover glass and the reflective LCD cell in the optical bonding process. Transportation applications benefit from a display and glass less susceptible to damage from shakes and shocks. Even if the glass breaks, fragments will stay adhered to the optical glue, which is a significant feature in schools and conference rooms because of the safety concerns.

Better Touch Experience

Optical bonding, which reduces the angle of light refraction, reduces parallax. This results in a horrible user experience and inaccurate touch. For the most natural and trustworthy expertise, optical Bonding reduces the air gap and eliminates parallax.

Protection From Dust and Moisture at Its Best

Due to the lack of an air gap between the glass cover and the reflective LCD screen, condensation on the inner surface of the glass is no longer possible. A non-optically bonded display might get foggy over time in sticky situations because of the excessive humidity. Shipping and storage are critical to ensure the displays stay in an ideal condition for extended periods.

The only genuine Bonding is optical. Optically bonded displays are the only ones that can legitimately be said to utilize different bonding technologies. A gap between the LED cell and the glass is unavoidable when using other techniques than tape-based air bonding. Removing the air gap allows only an optically bonded display to deliver all of these advantages.


What is a bonded display?

When put in high humidity outside locations, optical bonding refers to a protective glass attached in front of a display to improve its readability.

What is optical glue?

Liquid optically clear adhesive (LOCA) is a liquid-based bonding method used in touch panels and display devices to bind the cover lens, plastic, or other materials to the primary sensor unit or each other. These adhesives improve optical properties as well as durability.

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