Dome Sheets & LGF

1. Introduction to Dome Sheets & LGF

Dome Sheets & LGF are integrated keypad solutions consisting of dome arrays (metal dome arrays) precisely positioned and fixed onto polyester film (PET) or other substrates, which are then combined with light guide film (LGF). They offer decisive tactile feedback in membrane switches, keypads, and backlit keys while LGF uniformly guides light to the area of the keys providing visual indication as well as night visibility.

SHANYO Precision Electronics has long been an experienced producer and can output high-precision, high-durability Dome Sheet & LGF products based on its customer’s circuit layout, optical path design, and mechanical structure. It keeps the feeling of use and life together.

2. Features of Dome Sheets & LGF

High-precision positioning

Precise metal dome placement ensures consistent key contact.

High-quality tactile feedback

Dome Sheets provide a stable “click” feel, enhancing input confirmation.

Excellent Optical Performance

LGF evenly guides light within confined spaces, achieving balanced brightness and eliminating dark areas.

Multi-layered Design

Incorporates waterproof, dustproof, and isolation layers for enhanced environmental adaptability.

Thin

Controllable overall thickness makes it suitable for the internal layout of compact products.

Customizability

Supports full customization of metal dome size, trigger force, optical path geometry, and light output position.

3. Customer Benefits of Dome Sheets & LGF

Enhanced Product Appearance and User Experience

Combining tactile feedback with backlighting enhances the product’s technological appeal and usability.

Efficient Space Utilization

Integrating key functions and backlighting into a single structure reduces internal space usage.

Effectively Reduces Assembly Costs

Reducing the number of individual components improves assembly efficiency.

Extended Service Life

High-quality materials and precision machining ensure a switch lifespan exceeding one million cycles.

Suitable for Multi-Industry Applications

Widely applicable to control panels in consumer electronics, industrial equipment, automotive, and medical applications.

4. Application Scenarios of Dome Sheets & LGF

Consumer Electronics

Backlit function keys on game controllers, Bluetooth speakers, and remote controls.

Home and Kitchen Appliances

Night-viewable operating buttons on microwave ovens, washing machines, coffee makers, and more.

Automotive Electronics

In-vehicle central control buttons, air conditioning control panels, and steering wheel function keys.

Medical Equipment

Luminous buttons on portable testers and hospital monitoring terminals.

Industrial Control Panels

Backlit prompt buttons on PLC controllers and factory equipment.

For these applications, SHANYO provides customers with a comprehensive solution that meets tactile requirements while achieving excellent backlighting effects through customized Dome Sheets & LGF.

5. FAQ

Q: Can SHANYO’s Dome Sheets & LGF be customized to match our panel layout?

A: Yes, we can fully customize our products based on the customer’s key layout, backlighting requirements, and circuit diagram, including spring specifications, pressure resistance, and light guide path design.

Q: Is the backlight brightness of the LGF adjustable?

A: We can customize the backlight brightness and uniformity by designing the optical path structure, adjusting the scattering point density, and the number of LEDs to meet the visual requirements of different products.

Q: What is the service life of the Dome Sheets & LGF?

A: Under standard operating conditions, the metal dome can last over 1 million cycles, and the light guide film structure can provide long-term stable use without affecting optical performance.

Q: Do the Dome Sheets & LGF comply with international environmental regulations?

A: All SHANYO materials comply with international environmental standards such as RoHS and REACH, making product design and production suitable for the global market.

Q: What are the lead times for samples and mass production?

A: Dome Sheets & LGF are typically delivered within 1-2 weeks, while mass production lead times range from 2-4 weeks depending on design complexity. Expedited manufacturing services are also available.