Liquid optical adhesive
Consider wetting, adhesive thickness, material compatibility and the curing route. Liquid systems differ in chemistry and process.
Technology · LOCA and OCA
Choosing an optical bonding technology
Liquid adhesive and adhesive film solve different engineering problems. The right choice starts with the surfaces, materials and operating conditions in your display stack.
UP TO 59 INCHES*APPLICATION-LEDPROTOTYPE TO PROJECT PLAN
*Diagonal scope. Dimensions and stack suitability require technical assessment.
The project perspective
The process follows the project
LOCA uses a liquid optically clear adhesive; OCA is supplied as an optically clear adhesive film. Material chemistry, application method and curing or lamination conditions vary between systems. Neither label alone establishes durability, optical performance or reworkability. The proposed route needs to be checked against the actual components.
Optically clear film
Consider surface flatness, lamination conditions, alignment and the tolerances of the complete stack.
Project-specific selection
Temperature cycling, glass expansion, optical requirements and assembly handling influence the choice.
Optical gel and dry bonding
A soft, index-matched gel can suit a bond that must stay flexible under thermal stress, while pre-cut dry material can suit a defined, recurring display size. Each route carries different rework and tolerance implications.
Explore this topicBefore the first review
What to put in your brief.
A useful specification reduces uncertainty and gives the technical review a clear starting point.
- Substrate materials, coatings and surface condition
- Adhesive thickness and mechanical tolerances
- Temperature, light exposure and sample testing needs
- Whether rework or future disassembly needs to remain possible
Questions worth asking
Clear scope. Clear expectations.
Is dry bonding always reversible?
No universal guarantee applies. Rework depends on the adhesive system, construction, age and condition of the assembly.
Does a liquid adhesive always prevent rework?
No. Some systems may permit rework; others may not. An existing assembly needs individual assessment.
Does display size alone determine the adhesive choice?
Size is one factor among several. A liquid adhesive tends to suit larger or curved surfaces; film tends to suit flatter, high-volume production — but the complete stack still needs individual assessment.
Your application. Your requirements.
Make the next step specific.
Share the display details, the environment and the project timeline.
Discuss your project