1. Product Overview & Specifications

*Storage requirement: 2–8°C in moisture-proof packaging.

2. Key Applications

2.1 High-Efficiency OLED Displays

DPEPO serves as an electron-transport layer (ETL) in multilayer OLED architectures, achieving:

• External Quantum Efficiency (EQE) >20%
• Luminance >26,000 cd/m² at operational voltages
• Reduced efficiency roll-off at high brightness

2.2 White OLED Lighting Systems

When combined with OXD-7 dopant in single-emission-layer configurations:

• CIE coordinates (0.33, 0.33) for pure white emission
• Luminous efficacy up to 29.6 cd/A
• Color stability across 5–9V driving range

3. Performance Advantages

3.1 Enhanced Charge Transport

Diphenylphosphine oxide groups enable:

• Electron mobility: 10⁻⁴ cm²/V·s
• Hole-blocking capability (HOMO: -6.2 eV)
• Reduced interfacial charge accumulation

3.2 Thermal/Oxidative Stability

• 5% weight loss temperature (T_d): 385°C
• No phase transition below 250°C
• Minimal thermal degradation during vacuum deposition

4. Industry Use Cases

4.1 Flexible OLED Production

Solution-processed DPEPO enables:

• R2R manufacturing compatibility
• ≤3% efficiency variation across bending cycles
• Adhesion strength >4B (ASTM D3359)

4.2 Microdisplay Fabrication

In 0.5″ 4K micro-OLEDs:

• Pixel density: 3,500 PPI
• Contrast ratio: 1,000,000:1
• Lifetime (LT80): >15,000 hours

5. Client Success Stories

5.1 Display Manufacturer A (China)

• Challenge: Efficiency roll-off >40% at 1,000 cd/m²
• Solution: DPEPO-based hybrid ETL
• Result: Roll-off reduced to 12% with 23% EQE gain

5.2 Research Institute B (Germany)

• Challenge: Color shift (ΔCIE >0.02) in WOLEDs
• Solution: DPEPO exciton confinement layer
• Result: ΔCIE <0.008 across operational range

6. Technical Inquiry

For custom formulations, bulk pricing, or technical documentation:

Email: info@vivalr.com
Tel: (86) 15866781826

Request SDS, COA, or application notes:

• Typical response time: <4 business hours
• Sample availability: 5g–1kg quantities