LCD Module OEM Services
Contents
Service Overview
EB-LCM provides comprehensive LCD OEM production solutions, covering the entire process from LCD screen processing, film attachment, component bonding to complete module assembly. Our professional services can meet various application requirements, from small-batch prototyping to large-scale mass production.
Service Categories
Factory Capabilities
Production Capacity
Quality Assurance and Certification
Screen Processing Services
Service Definition: LCD screen cell scribing is the first critical process in LCD module production, using advanced scribe-break technology to precisely divide large-size LCD mother panels into individual screen pieces of required dimensions.
Process Characteristics:
- Division Method: Scribe-break (scribing and breaking)
- Environmental Features: Completely waterless, heatless, and dust-free
- Edge Quality: Lateral cracks prohibited, ensuring clear center line cutting
- Precision Control: ±0.1mm tolerance
Application Scenarios:
- Custom screen bodies for various industrial displays
- Consumer-grade LCD screen chip processing
- Customized dimension LCD screen manufacturing
Advantages:
- Waterless process prevents LCD screen moisture absorption and deterioration
- Heatless process protects liquid crystal layer structure integrity
- Dust-free environment complies with modern environmental manufacturing standards
- Precise edge control ensures quality of subsequent bonding processes
Supported Specifications:
- Maximum scribing dimension: 92cm × 73cm (28.7″ × 36.2″) or larger
- Screen body range: 1.5″ ~ 41″ (diagonal)
- Thickness limit: Minimum 1.1mm
Film and Optical Services
Service Definition: Precision bonding of high-quality polarizer film onto LCD screens to optimize optical performance. Polarizer films are core optical components in LCD displays, determining screen brightness, color reproduction, and viewing angle effects.
Bonding Design:
- Bottom Polarizer (near backlight source): Optimizes backlight light utilization, maximizes light transmission efficiency
- Top Polarizer (facing human eye): Provides clear viewing angles, reduces reflection interference
Process Characteristics:
- Bonding Method: Soft-to-Hard bonding
- Precision Control: ±0.1mm tolerance
- Bubble Prevention: High-precision alignment system ensures bubble-free bonding
- Multi-layer Support: Supports simultaneous bonding of multiple film layers
Application Scenarios:
- High brightness display screen manufacturing
- Applications requiring high color reproduction
- Products needing optimized viewing angle range
- Consumer-grade and industrial-grade displays
Expected Results:
- Screen brightness increase of 10-20%
- Significant color accuracy improvement
- Expanded optimal viewing angle range
- Reliable and stable optical performance
Supported Specifications:
- Supported sizes: 1.5″ ~ 41″ (diagonal)
Film Attachment
Service Definition: Bonding various functional films onto LCD screen surfaces to enhance display performance, protect screens, or improve user experience.
Supported Film Types
| Film Type | Function Description | Performance Features | Application Scenarios |
|---|---|---|---|
| OCA Film (Optical Adhesive) | Eliminates air gaps between screen and film | Significantly enhances brightness and color accuracy | High-end consumer electronics, color-critical applications |
| Polarizer Film | Optical performance optimization with bottom polarizer | Complete polarizer layer control | Standard LCD display manufacturing |
| Anti-Reflection Film (AR) | Reduces screen surface reflection | Improves visibility and clarity | Outdoor displays, high ambient light conditions |
| Anti-Glare Film (AG) | Matte effect, prevents fingerprint contamination | Comfortable viewing experience | Consumer electronics, touchscreen applications |
| Explosion-Proof Film | Increases screen impact and crack resistance | Enhanced durability | Industrial applications, public displays, outdoor environments |
| Functional Film | Special functions per customer requirements | Customized performance | Special application fields |
Process Characteristics:
- Bonding Method: Soft-to-Hard bonding
- Precision Control: ±0.1mm tolerance
- Vacuum Bonding: Prevents bubbles and ensures optical effects
- Multi-film Combination: Supports composite bonding of multiple film layers
Supported Specifications:
- Supported sizes: 1.5″ ~ 43″ (diagonal)
Application Advantages:
- Meets diverse customer differentiation needs
- Flexible film combination solutions
- High-precision alignment ensures perfect optical effects
- Suitable for consumer-grade and industrial-grade applications
Service Definition: Using vacuum lamination machines and high-temperature high-pressure autoclaves, precisely aligns and bonds OCA films, cover glass, or touchscreens with LCD screen glass to achieve complete screen integration.
Process Flow:
- Vacuum lamination treatment → Removes air, pre-bonding
- Autoclave high-temperature high-pressure treatment → Final curing and strengthening
Hard-to-Hard Application Types:
| Application Type | Description | Process Requirements | Precision Requirements |
|---|---|---|---|
| OCA Lamination | Using optical adhesive film connection between transparent layers | Precision alignment | ±0.1mm |
| Cover Glass Bonding | Protects screen, enhances aesthetics and durability | Special tooling | ±0.1mm |
| LCD+TP Integration | Integrated LCD and touchscreen module | High-precision tooling | ±0.3mm or higher |
Equipment Capabilities:
- Maximum Size: Supports screens from 2″ to 27″
- Alignment Precision: ±0.1mm ~ ±0.3mm (depending on application type)
- Special Capability: Ball drop test verification capability
Application Scenarios:
- Premium consumer products (smartphones, tablets)
- Automotive, military, and marine displays
- Industrial high-reliability display modules
- Integrated touch display solutions
Expected Results:
- Enhanced screen protection
- Improved overall module quality
- Optimized optical effects
- Significantly improved durability
Component Bonding Services
Service Definition: Direct bonding of LCD driver IC chips onto LCD screen glass substrates, achieving minimum component volume and optimal electrical connections. This is the critical process for achieving narrow-bezel designs in modern LCD.
Bonding Technology:
- Bonding Technique: ACF (Anisotropic Conductive Film) bonding
- Precision Grade: ±6μm (ultra-high precision)
Technical Specifications:
| Item | Specification |
|---|---|
| Supported IC Size | Width (W): 0.6 ~ 3mm; Length (L): 3 ~ 28mm |
| Screen Body Size Range | 2" ~ 12.1" (diagonal) |
| Position Determination | Determined by LCD circuit layout, supports complex designs |
Main Advantages:
- IC bonded directly on screen body, achieves minimum package thickness (reduces by 30% or more)
- Eliminates traditional FPC connection lines, greatly reduces module space
- Precision positioning system ensures 100% solder joint reliability
- Supports complex multi-IC integration schemes
Limitations:
- IC position is determined by screen circuit design and cannot be freely adjusted
- Cannot bond IC on flexible FPC (no COF equipment)
- Cannot achieve narrow bezels beyond physical limits
Application Scenarios:
- High-resolution small-size displays (smartphones, tablets)
- Products with extreme narrow-bezel designs
- OEM production of consumer electronics
- Space-constrained applications
Suitability Judgment: ✓ Preferred: When minimum thickness, most compact design, direct screen driver integration needed ✗ Not suitable: When adjustable bezel width, inability to meet absolute flatness requirements
FPC Bonding - Glass Type (FOG Bonding - FPC on Glass)
Service Definition: Direct bonding of flexible PCB (FPC) onto LCD screen glass substrate, achieving reliable connection between screen and drive circuits.
Process Characteristics:
- Bonding Technique: ACF (Anisotropic Conductive Film) bonding
- Precision Control: ±0.02mm tolerance
Equipment Capabilities:
- Maximum Bonding Head Width: 250mm
- Work Stage Limitations: 300 × 200mm (no rotation support)
- Screen Body Size: 1.5″ ~ 15.6″ (diagonal)
Application Features:
- Standard integration solution for mid-size LCD modules
- Reliable electrical connection between FPC and screen
- Standard LCD driver circuit integration
- Cost-effective approach
Process Constraints:
- Limited by equipment work stage dimensions (maximum 300×200mm)
- No rotation capability, FPC direction must be pre-planned
- Suitable for standardized, batch production
FPC Bonding - PCB Type (FOB Bonding - FPC on Board)
Service Definition: Bonding flexible PCB (FPC) onto rigid PCB circuit boards, achieving interconnection between screen and backend main control circuits.
Process Characteristics:
- Bonding Technique: ACF (Anisotropic Conductive Film) bonding
- Precision Control: ±0.02mm tolerance
Technical Specifications:
- Supported Sizes: 1.5″ ~ 15.6″ (diagonal)
- Connection Method: Reliable binding of FPC with drive PCB board
Application Scenarios:
- LCD display module and main control circuit integration
- Standardized modular designs
- Easy-to-maintain and upgrade module structures
- Production line automation friendly
Advantages:
- Standardized connection method
- Mature process flow
- Easy quality control
- Supports high-speed production
Service Definition: Combines COG and FOG functions in one machine, achieving simultaneous IC and FPC bonding, particularly suitable for automotive, military, and marine applications with extremely high quality requirements.
Equipment Features:
- Work Area: 12.1″
- Automation Equipment: Equipped with robotic arm and automatic loading/unloading systems
- Positioning Technology: CCD fully automatic alignment, eliminates manual positioning errors
- Efficiency Advantages: Reduces process steps, lowers manufacturing costs
Application Scenarios:
- Automotive dashboard displays
- Military and marine applications
- High-reliability requirement products
- OEM production with extreme quality demands
Cost Advantages:
- Completes both COG and FOG in one process
- Saves tooling and equipment costs
- Improves production efficiency
- Reduces overall manufacturing costs
Service Definition: Using anisotropic conductive film (ACF) for bonding small components on glass, suitable for precision LCD applications.
Technical Specifications:
- Supported Size: Maximum 7″
- Precision Control: ±0.02mm tolerance
- Application: Bonding small ICs or connectors on glass
Application Scenarios:
- Small-size high-precision LCD applications
- Special connection solutions
- Small consumer electronics products
Module Assembly Services
Hard-to-Hard Bonding - Cover Glass and Touchscreen Integration (Module & T/P Cover Glass Service)
Service Definition: Precisely aligning and bonding cover glass or touchscreen (TP) with LCD screen glass to form a complete display module.
Machine Configuration Options:
| Machine | Size Range | Features |
|---|---|---|
| Machine A | 2" ~ 7" | Small-size applications |
| Machine B | 5" ~ 12" | Mid-size applications |
| Machine C | 12" ~ 27" | Large-size applications |
Process Capabilities:
- Maximum Size: Supports up to 27″ or larger
- Alignment Precision: ±0.3mm tolerance
- Special Capability: Ball drop test capability (27″ ~ 86″)
Application Types:
| Application | Description | Use Cases |
|---|---|---|
| Cover Glass Bonding | Protects screen, enhances appearance quality | Consumer electronics, industrial displays |
| Touchscreen Integration | LCD and TP integrated module | Smartphones, tablets, automotive displays |
| Functional Glass | Special functional glass bonding | Explosion-proof, dust-proof, special applications |
Advantages:
- Integrated module design
- Complete screen protection
- Appearance quality improvement
- Enhanced user experience
Factory Capabilities
Core Technical Abilities:
Size Coverage Range
| Category | Range |
|---|---|
| Minimum Support | 1.5" (diagonal) |
| Maximum Support | 92cm × 73cm (28.7" × 36.2") or larger |
| Overall Range | 1.5" ~ 43" (most processes) |
Precision Capabilities
| Process | Precision | Notes |
|---|---|---|
| Scribing | ±0.1mm | Precise edge control |
| Film Attachment | ±0.1mm | High alignment precision |
| COG Bonding | ±6μm | Ultra-high precision |
| FPC Bonding | ±0.02mm | Industry-leading |
| Hard-to-Hard Bonding | ±0.1~0.3mm | Depends on application type |
Process Characteristics
- ✓ Waterless, heatless, dust-free environment
- ✓ Multi-process coordinated production capability
- ✓ Fully automated and semi-automated equipment
- ✓ Complete quality control systems
- ✓ Flexible customization capability
- ✓ Supports production from small batches to mass scale
Special Capabilities
| Capability | Description |
|---|---|
| 2-in-1 Machine | Simultaneous COG + FOG bonding |
| Automation Systems | Robotic arms, automatic loading/unloading, CCD alignment |
| Quality Verification | Ball drop test capability |
| Custom Solutions | Supports special process combinations |
Production Capacity
Monthly Capacity Specifications (Based on 7″ 30-day calculation)
| Process Name | Monthly Capacity | Notes |
|---|---|---|
| Cell Scribing | 180K | Based on 7", 30 days |
| Film Attachment | 240K | All film types included |
| OCA Lamination | 100K | Hard-to-hard bonding |
| Module & T/P Cover Glass | 10K | Adjustable by size, max 27" |
| COG Bonding | 150K | High-precision applications |
| FOG Bonding | 225K | High-capacity process |
| ACF Attachment | 45K | Special applications |
Capacity Features
- Modular Capacity: Each process line operates independently, flexible combination
- Economies of Scale: Larger batches result in lower unit costs
- Quick Response: Supports rush orders for expedited processing
- Stable Quality: Production capacity and quality balanced equally
Capacity Adjustment Notes
- Above capacity figures are based on standard sizes (7″)
- Special sizes can be adjusted accordingly
- Supports customer seasonal fluctuations
- Supports order combination optimization (multiple processes simultaneously)
Quality Assurance and Certification
- ISO 9001 Quality Management Certification
- Complete process control system
- Multi-level inspection and verification capabilities
- Customer incoming material inspection
- Final product shipment inspection
- Reliability testing for special applications (e.g., ball drop test)