ALD is the ultimate moisture barrier

Moisture barriers

Flexible and organic electronics, such as OLED (Organic Light Emitting Diode) displays, are extremely sensitive to moisture and oxygen. Their sensitivity to humidity limits the lifetime of the screens. This is the market where the moisture barrier requirements are the toughest.

Atomic layer deposition is the ultimate moisture barrier.

With ALD, we can create moisture barriers that are thinner than the alternatives, yet keep humidity and vapors out better. ALD offers the best (if not the only) way to create conformal ultra-thin protective coatings on surfaces with high aspect ratios and complex 3D shapes.

When the humidity protection requirements are high, the pixel-perfect quality of ALD coatings makes them great for encapsulation of sensitive surfaces (such as LED and OLED displays), especially if the material to be protected is flexible. Thin film encapsulation with ALD is one of the very few technologies that can create a protective layer that offers the required level of humidity protection and completely follows the contours of the surface, also on flexible displays.

Beneq has been working with ALD encapsulation for years. We have extensive experience about LED processing both as an equipment provider and as a service partner for process optimization and outsourced coating production. Beneq's coating equipment and services improve the lifetime value of OLEDs with efficient encapsulation to protect from environmental factors. Typical ALD encapsulation applications in the LED and OLED industries range from wafer-level moisture barrier coatings to encapsulation of phosphor powder. If you are looking for a tested and proven ALD encapsulation solution, you have come to the right place.

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Application examples

  • Chip-level ALD moisture barrier for components on tape
  • ALD anti-corrosion coating for semiconductor equipment parts
  • ALD gate dielectric for GaN power devices
  • ALD gate insulator for displays
  • Ultimate moisture barriers for OLED micro-displays from Beneq
  • Lumineq EL40S electroluminescent display by Beneq
  • Transparent electrode for displays by Beneq ALD
  • ALD is the ultimate moisture barrier for PCBs
  • Beneq FBR ALD reactor for moisture barriers of phospor powder
  • Beneq ALD coatings offer protection against corrosion in LED packaging.
  • Beneq ALD provides metal-like coatings for watch parts and fine mechanics.
  • Beneq ALD coatings for wafer-level moisture protection
  • Beneq ALD coatings provide high-quality reflectors for LED
  • Beneq ALD coatings boost the performance of diffractive gratings
  • Beneq provides ALD coatings to protect electronics components from corrosion
  • ALD coatings provide interface layers between materials in CIGS panels.
  • Beneq ALD coatings increase the lifetime of Li-Ion batteries
  • ALD is ideal for optical filters on complex surfaces.
  • Beneq ALD optical coatings increase the lifetime of high power lasers
  • ALD-based conformal moisture barrier coatings for microchannel plates from Beneq.
  • OLED lighting encapsulation with Beneq TFS 600. Fully automated and vacuum-line integrated. For industrial OLED encapsulation.
  • X-ray imaging scintillator plate encapsulation with Beneq Coating Services and Beneq P800 batch coating products

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