As the foldable smartphone market continues to surge, innovative materials have become the key to advancing this technology. This has heightened the demand for high-precision laser processing equipment. Delphi Laser, with its deep expertise and commitment to innovation, has strategically positioned itself in the foldable screen market. Its equipment has been successfully deployed in production lines, earning high recognition from clients and providing precise, efficient solutions for intelligent manufacturing in every detail of foldable smartphones.

1）UTG Glass Cutting System

Ultra-Thin Glass (UTG) is increasingly favored for foldable display covers due to its ultra-thin, flexible, highly transparent, and high-temperature-resistant properties. 

Addressing the growing demand for UTG, Delphi Laser offers specialized UTG glass cutting equipment that ensures high-efficiency, precise cutting, enhancing production efficiency and yield rates.

Advantages:

• Non-contact processing minimizes material damage and operating costs.

• High-speed, precision cutting with CCD vision alignment.

• Direct CAD import for quick and efficient cutting of various shapes.

• Industrial-grade design ensures stable 24/7 operation.

• Optional automated loading/unloading for increased efficiency and reduced labor.

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2）CPI Laser Precision Micro-Processing System

Transparent Polyimide (CPI), a critical material for foldable screens, offers stable performance, technical maturity, and cost advantages. Delphi Laser's CPI micro-processing equipment delivers high-precision, efficient cutting tailored to this key material.

Advantages:

• High-speed processing with excellent precision, boosting productivity.

• Minimized thermal effects, reducing edge chipping.

• Advanced processing systems enable precise parameter and pattern matching.

3）Film Cutting and Stripping Integrated System

This automated solution protects display covers from scratches and stains by efficiently handling film application and stripping. Delphi Laser’s cutting-edge design integrates laser cutting, vision alignment, and automated systems for seamless operation.

Advantages:

• Automated tray transfer and robotic loading enhance productivity.

• Precision alignment ensures accurate cutting and film application.

• Customizable settings for various dimensions and positions.

• Stable, long-term operation supported by high-quality materials and software.

Carbon Fiber Cutting System

Carbon fiber, known for its lightweight and high-strength properties, is essential in foldable smartphone structural designs. Delphi Laser’s advanced carbon fiber cutting equipment ensures smooth, burr-free edges and optimized production efficiency.

Advantages:

• High-speed, precise cutting reduces thermal effects and edge damage.

• Integrated systems for automated loading, cleaning, waste removal, and inspection.

• High-power laser systems developed in-house for cost-effective, high-performance processing.

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Hinge Laser Welding System

Metal hinges are critical components in foldable smartphones, providing structural support and enabling various folding mechanisms. Delphi Laser’s laser welding equipment ensures precise, high-quality welding for hinges, accommodating a variety of materials and designs.

Advantages:

• Fast Welding Speed: Laser welding achieves high speed, significantly enhancing production efficiency and meeting the rapid manufacturing demands of foldable smartphones and other electronic products.

• Non-Contact Welding: As a non-contact process, laser welding minimizes stress impact on metal components.

• Controllable Welding Depth: By adjusting laser power and beam focus, precise control of welding depth is achieved, preventing defects from excessive or insufficient penetration.

• High Adaptability: Laser welding technology accommodates various sizes, shapes, and materials of metal hinges, offering greater design flexibility for foldable smartphones.

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1）Fully Automated Flexible OLED Shaped Cutting System

This system is capable of easily handling complex shapes and curved cutting requirements. It precisely addresses the intricate folding shapes of smartphones. The equipment is primarily used for the fine-tuning and processing of AMOLED module segments, where the OLED panels are integrally cut by laser to improve edge precision and achieve irregular shape cutting. The system is equipped with an automatic image positioning system, multiple feeding and unloading interfaces, AOI (Automatic Optical Inspection), and USC (Ultrasonic Cleaning), ensuring efficient high-speed cutting and stable, high-quality operation.

Advantages:

• It uses a UV picosecond/femtosecond laser combined with a galvanometer scanning system, enabling fast irregular shape cutting.

• Cutting quality: HAZ (Heat-Affected Zone) ≤ 50μm

• Cutting precision: CPK ≥ 1.33 (@±30μm)

• Fully automated Inline/Offline design, further reducing labor costs

• Compatible with OCA integrated cutting

  
  

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2）Fully Automated Flexible OLED Laser Drilling System

The core of a foldable smartphone lies in its foldable screen, which must maintain excellent performance and appearance during both folding and unfolding. Delong Laser's fully automated flexible OLED laser punching equipment is specifically designed for the AMOLED module display area. It uses advanced laser technology for punching the OLED panels in the AMOLED module to expose components such as the camera and other devices. By precisely controlling the laser energy and beam quality, it provides a reliable solution for manufacturing flexible display devices.

Advantages:

• Utilizes UV femtosecond laser with a scanning galvanometer system to meet the demand for fast laser punching.

• Cutting quality: HAZ ≤ 40μm, no cracks, no rainbow patterns.

• Cutting precision: CPK ≥ 1.33 (@ ±30μm).

  
  

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3）OLED/LCD Laser Repair System

In the development of foldable smartphones, the perfect presentation of each pixel is an unwavering pursuit of quality. Delong Laser's OLED/LCD laser repair equipment is equipped with high-precision laser technology and advanced AOI (Automated Optical Inspection) technology, providing excellent imaging quality. The chosen control system components are highly precise, enabling the automatic detection and accurate positioning of OLED/LCD screen hotspots. Whether dealing with bright spots, weak bright spots, or partial dark spots, laser repair can be performed. The equipment features a compact structure and operates stably and reliably.

Key Advantages:

• The equipment features a compact structure with a well-organized layout.

• It offers excellent compatibility.

• The motion system is stable and responsive.

• It delivers high precision, user-friendly interfaces, and easy maintenance.

• A strong technical team provides robust support for equipment installation, commissioning, and after-sales maintenance.

  
  

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Picosecond Laser Precision Micro-Processing System

PCB and FPC play crucial roles in foldable smartphones, together forming the complex and precise circuit system that ensures the normal operation and exceptional performance of the device.

Delphi Laser's picosecond laser fine processing equipment, with its high precision, efficiency, and stability, is widely used in the fine processing fields of cutting, lid opening, and other applications for PCB, 

FPC rigid-flex boards, and related materials in foldable smartphones. The equipment utilizes advanced picosecond laser technology, meeting the stringent processing precision requirements for high-end electronic 

products such as foldable smartphones.

Key Advantages:

• The equipment uses an independently developed high-power ultraviolet picosecond laser, offering high cost-effectiveness.

• It effectively controls the processing results, improving product edge collapse and thermal effects.

• The self-developed dual-station processing system is stable and reliable, significantly improving processing efficiency.

• The mature process system accurately calculates and splits graphics, ensuring the precise matching of processing parameters and design patterns.

Future Outlook

Delphi Laser remains committed to innovation and excellence in laser micro-processing. By continuously advancing its technology, Delphi Laser empowers intelligent manufacturing, shaping the future of foldable 

smartphones and beyond.