Applications of Automatic Dispensing Machines in LCD/OLED Screens Industry Solutions？
The application solutions of Automatic dispensing machines in the LCD/OLED screens industry need to address the differentiated requirements of these two technologies. Below is a detailed analysis from core application areas and technological innovation perspectives:
LCD Screen Dispensing Solutions
1.Bezel Sealing
● Function: Achieve secure adhesion between the screen and middle frame via dispensing, enhancing structural strength while preventing moisture/dust ingress;
● Technical Implementation: CCD vision-guided dispensers with sub-pixel positioning accuracy (±0.01mm) adapt to varying sizes of LCD modules;
multi-axis collaboration enables continuous bead application for complex trajectories .
2.Backlight Unit Encapsulation
● Function: Fixate light guides and reflective films with uniform adhesive layers to avoid optical performance degradation .
Technical Implementation: High-speed dispensers rapidly apply even coatings across large areas, balancing efficiency and precision; supports multiple adhesive types (e.g., silicone, epoxy) with pressure control systems preventing drippage of low-viscosity materials .
Automatic In-line PCB Glue Dispensing Machine SEC-DH400L
Second Intelligent In-line Automated Glue Dispensing Machine SEC-DH400L adopts an integrated mineral casting design, with ultra-high precision and super stability, powerful expansion capabilities, and can realize ion cleaning, dispensing, detection, UV exposure and other functions;
Adopting a gantry structure, it can bear large loads, stable structure, and a powerful CCD visual positioning system, which can meet the requirements of Mark point positioning, edge positioning, and 3D scanning positioning; strong scalability, and can expand AOI detection 3D detection, UV exposure curing and other functions;
Strong platform compatibility, contact and non-contact dispensing, single-head and multi-head synchronous dispensing, automatic compensation and adjustment of double-head spacing, five-axis dispensing function based on needle A/R displacement, etc.
3.Notch Area Light Blocking
● Function: Seal gaps between lower polarizers and backlight modules to prevent light leakage interfering front camera imaging .
● Technical Implementation: Precision nozzles paired with micro-dosage control target narrow gap regions accurately.
4.Flexible Display Lamination
● Function: Ensures reliable curved bonding for foldable devices through dynamic angle/pressure adjustments .
● Technical Implementation: Four-axis dispensers coordinated with rotary motion resolve uneven adhesive distribution on irregular surfaces.
SMT automatic glue dispenser SEC-DH600L
Second Intelligent high precision smt automatic glue dispenser machine apply epoxy resin to the bottom of the PCB board for underfill
Second Intelligent smt automatic glue dispenser automation SEC-DH600L has the following advantages:
●CCD visual programming precise positioning, visual correction, improve programming efficiency and dispensing accuracy;
●Chinese and English operating system, the software interface layout is clear, the operation is simple, easy to learn and understand;
●Support visual inspection, integrated control of dispensing and visual inspection, multi-purpose machine, effective control of dispensing yield;
●It can be equipped with a lin e laser scanner for 3D path guidance and flexible dispensing;
●The software can support a variety of dispensing systems and functional module applications, such as automatic needle alignment, automatic
height measurement, dispensing weighing compensation, five-axis linkage and other functions, which can effectively overcome the difficulties of
various dispensing processes and help improve quality;
OLED Screen Dispensing Solutions
1.Edge Reinforcement with UV Adhesive
●Function: Apply UV curable adhesive along screen edges to absorb external impact forces, reducing internal crack risks due to OLED’s inherent fragility .
●Technical Implementation: injection valves or screw pumps deliver high-precision dispensing ensuring full cavity filling without air bubble entrapment.
2.Shock Absorption Layer Formation
●Function: Create elastic buffer zones post-OLED-to-frame assembly using UV glue, distributing stress loads to extend display lifespan .
●Technical Implementation: Vision alignment systems position vulnerable edge areas optimally, minimizing excess material spillage through optimized path planning.
3.Thinning Production Compatibility
●Function: Eliminate redundant weight by implementing ultrafine dispensing control—critical for slimmer designs enabled by eliminating backlight units in OLED panels .
●Technical Implementation: Equipment equipped with user-friendly PLC interfaces allows programmable adjustment of dosage/speed parameters, supporting rapid production switching between ultrathin models .
Common Technological Support Systems
1.Multi-Head Metering Valves: Parallel operation significantly boosts throughput on mass-production lines for both LCD and OLED displays .
2.Intelligent Control Systems: Parameter customization for volume/speed/path coupled with teach pendant programming accelerates changeover between product variants .
3.Broad Adhesive Compatibility: Machines accommodate diverse materials including silicones, UV curables, and epoxies across different process scenarios .
Overall, dispensing machines play increasingly vital roles in precision control, efficiency enhancement, and functional integration within LCD/OLED manufacturing—particularly amid rising adoption of flexible displays and rapid display technology evolution.
Second Intelligent has played an important role in theresearch, development, manufacturing, pre-sales and after-sales services of fluid dispensing robot, potting and coating solutions which range from various types of automatic fluid dispensing, potting, two-component potting machines and coating machines with desktop, free-standing, inline or cobot combined systems, and widely used in global electrical, electronics, home appliances, automobile, telecom, pharmaceutical, automotive electronics, semiconductor, aerospace, LED and more.
