Displays

Henkel's solutions for touch panels and displays

Touch panel and display device manufacturers face daily challenges – reducing costs, improving efficiency, and staying ahead of the competition, to name just a few. Many suppliers can offer an adhesive. But Henkel offers much more: engineering expertise to integrate the adhesives into your manufacturing process; custom-formulated products to meet your specific application requirements; and the innovation pipeline to offer you a continuous stream of new and creative solutions.

Henkel is in the business of solving problems. With our history and experience in the industry, our experts can help find ways to improve your touch panel and display device process. We can show you how to reduce your adhesive consumption while improving performance and efficiency. And we’ll provide all the testing data to back up our recommendations.

Touch Sensor Solutions and LCD Solutions

3d illustration of smartphone LCD layers in accordion view with callouts showing material locations such as functional sealants, ITO overcoat, FPC reinforcement, LOCA, metal mesh and fine line inks

Advances in Liquid Crystal Display (LCD) technology and manufacture have accelerated in recent years and resulted in lower cost, higher resolution, narrower bezels and more vibrant colors. Henkel has developed innovative materials to aid in the advancement of LCD displays.

Henkel product highlights include:

Functional sealants for light shielding
Glass edge protection and waterproofing
Liquid Optically Clear Adhesives (LOCA)
Cleaners

3d illustration of smartphone accordion view showing front cover and back cover and internal components in between

Henkel's Loctite functional sealants provide superior performance for display light shielding, edge protection and waterproofing, enabling advanced designs that incorporate narrow frame or frameless structures.

Light Shielding Sealant

High bonding strength on glass/polarizer/stainless steel
Fast cure after dispensing/jetting
No permeation to back light unit during curing
Easy for dispensing or jetting
Excellent light shielding performance at 0.15 mm thickness

Glass Edge Protection

Protect glass edge from handling issues
Improve surface and side impact performance of the glass
Simplify manufacturing process

Liquid Assembly Tape

Ultra-fast fixture strength to eliminate clamping process
Good re-workability
Compatible with automation process
Reduced total cost of ownership

Water-proof Sealant

Good barrier performance against moisture
Excellent reliability
Good adhesion strength
Fast cure

Indium Tin Oxide (ITO) Overcoat

Good re-workability
Excellent protection to ITO against moisture
Compatible with various dispensing methods
Compatible with LED UV curing

Flexible Printed Circuit (FPC) Reinforcement

Provide excellent mechanical protection
Good dispensing performance
Excellent barrier performance against moisture

Photo of screen printable loctite ECI 1006 silver conductive ink used in displays and touch panels

Our complete portfolio of exceptionally formulated conductive ink and elastic conductive material solutions ensure the quality and reliability of interconnects in displays and touch panels. Through the good compatibility and ease of use, our products enable customers’ innovative design and volume production.

Display Inks

Fine Line Ink
- Excellent fine-line and high-resolution printing
- Printability: 70μm lines and spaces attainable
- Excellent adhesion to sputtered ITO and PET
- Good electrical conductivity
Metal Mesh Ink
- Good Ahesion
- Excellent conductivity
- Enable a more flexible and more conductive transparent film compared to those using ITO
Black Ink
- Good compatibility to metal mesh ink
- Decrease reflection of silver ink effectively
Ag Nanowire Ink
- Excellent optical performance with high transmittance
- Low sheet resistance
- Excellent conductivity
- Compatible with various printing methods
Transparent Protective Ink
- Suitable for flatbed and rotary screen printing
- Excellent printability and open screen time
- Good adhesion to treated polyester film
- Improved UV stability

Brochure: Inks and Coatings for Printed Electronics

For further product information on LOCTITE ECI 1006 E&C, click here.

Interconnect Materials

High elongation and low modulus for stress release
Good conductivity
Good dispensing performance

Photo of young couple standing next to a wall mounted curved television screen shutterstock ID 424840117

Henkel's novel suite of liquid optically clear adhesive (LOCA) materials offers significant process- and design-enabling capabilities for touch display and large format display applications.

Simple, low-cost process
Vacuum reduces potential for bubbles
5 – 10% thickness uniformity
< 0.25 mm edge control
Minimizes MURA

For further product information on LOCTITE DSP 3808, click here.

For further product information on LOCTITE 5191, 5193, 5195 & 5191DM, click here.

Flow chart illustration of the color filter photo fabrication process and layered structure for color display devices including rework and cleaning steps with background photo of white living room

Effective cleaners are critical to ensuring that a manufacturing process has the lowest total cost of ownership. Henkel has developed complete portfolio of cleaners that has strong cleaning ability, high compatibility, low damage to substrate as well as the high productive efficiency and cost efficiency.

LCD Cleaners

Glass Cleaner
- Strong cleaning ability
- Easily cleaned with de-ionized (DI) water
- No damage to the glass or metal
Color Filter Developer
- Excellent performance on fine pitch patterning process
- Universal formulation with strong compatibility to most photo resists
- Outstanding anti-corrosion performance to protect metals (Al, Cu…)
- High concentration
- Production efficiency
Rework Stripper
- Applicable to all kinds of color filter, black matrix and overcoat materials
- Reduced total cost of ownership based on short cleaning process time and long bath life
- Low damage to glass

For further product information on LOCTITE 5191, 5193, 5195 & 5191DM, click here.

Resources for Displays

Brochure: Inks and Coatings for Printed Electronics

Download

Brochure: LOCTITE ECI 1006 E&C

Download

Product Information Sheet: LOCTITE DSP 3808

Download

Brochure: LOCTITE 5191, 5193, 5195 and 5191DM - Faster Curing Silicone LOCAs with Better Optical Properties

Download

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Displays

Smartphone and Tablet

Wearable Devices

Touch Sensor Solutions and LCD Solutions

Functional Sealants

Overcoat Materials

Connective Materials

Liquid Optically Clear Adhesive (LOCA)

Temporary Bonding

Cleaners

Resources for Displays

News and Insights

Vehicle Interiors of the Future

Improving Vehicle Displays for the Connected Car

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