What is OCF Bonding Technology?

Optical Clear Film (OCF) is the best choice for bonding the touch panel with LCM. It is used for transparent optical components and full lamination of TP/LCM of various sizes.

Optical Clear Film, OCF 

OCF Bonding Structure and Process

Figure 1. Application of OCF
Figure 1. Application of OCF
Figure 2. OCF bonding process
Figure 2. OCF bonding process

Advantages and application of OCF

Advantages

Figure 3. Comparison of bonding capacity between OCF and OCA
Figure 3. Comparison of bonding capacity between OCF and OCA

Application

OCA vs. OCR vs. OCF

Compare itemOCAOCR (LOCA)OCF
Interval controlDepends on OCA thickness and accuracyhard to controlCan be precisely controlled
Glue overflowNoYesNo
AdhesionWeakerStrongerGenerally
Repair step differenceThere are bubblesDiffcult to produce bubbles for point touchAbility better than OCA
Segmental AbsorptionGenerallyGoodBetter
EfficiencyGenerallyGenerallyThe same equipment can be used for batch and continuous production
Bonded product yieldThe one-time yield is over than 90% and can be repairedThe first-time yield is less than 90%, making it difficult to repairThe one-time yield is over than 95% and can be repaired
Equipment investmentGenerallyHigherGenerally
Material requirementsNo special requirementsHard to hard material fitNo special requirements
ApplicationSmall size productSmall and medium size productsVarious sizes of product; currently common used in large size product
Table 1. OCA vs. OCR vs. OCF

More to learn about related topics:

What is OCA Bonding Technology?

What is LOCA Bonding Technology? 

What is the Air Bonding and Optical Bonding? 

Share this article

Sign up for Update

Recent Posts

Supplier of LCD Module,
TFT Displays, OLED,
HDMI, LCD Solutions,
Controller Boards Development