OEM LCD LED Backlight

Rina Technology Co., Ltd. is one of the leading manufacturers and suppliers of oem lcd led backlight in China. Welcome to wholesale durable products in stock here and get quotation from our factory. All customized products are with high quality and low price.

 

 

OEM LCD Backlight LED White Color LED Backlight

Applications

LCD Module, Logo Backlight
Application Key: Dot matrix/logo area backlighting in LCD TVs, displays, and instrument clusters; sometimes, localized uniform illumination or controlled brightness is required for area lighting.
Requirements and Features: Low power consumption, localized uniform illumination, controllable color temperature (warm white/neutral white/cool white), and optional light source types (direct LED, diffused light guide).
Typical Parameters: Brightness level (cd/m²), uniformity (e.g., >80%), color temperature (2700–6500K), and lifespan (>20,000 hours).
DVD/Audio Device Backlight
Application Key: Backlighting for disc drives, player panels, speaker areas, and keypads.
Requirements and Features: Low heat generation, low radiation, vibration resistance, and anti-glare treatment when necessary.
Typical Parameters: Uniformity, brightness contrast, power consumption, and ambient temperature adaptability.
Car Remote Control
Application Key: Small backlighting for keypads, display backlights, indicator lights, and warning lights. Requirements and Features: Low/high temperature resistance, vibration resistance, long life, extremely low power consumption (extremely low standby), waterproof and dustproof.
Typical parameters: Brightness readability in low-light environments, coverage uniformity, and on/off switching response time.
IC cards and other public telephones
Application highlights: Card holder indicator lights, keypad backlighting, and information display area backlighting.
Requirements and Features: High contrast, long-term stability, and consistency under varying light sources.
Typical parameters: Lighting uniformity, color temperature stability, and resistance to shock and temperature cycling.
Tax control products
Application highlights: Keypad and display backlighting for tax control panels, invoice printers, and tax control invoicing machines.
Requirements and Features: Long-term reliability, compliance with relevant certification standards (e.g., EMI/EMC, safety regulations), anti-static performance, and durability.
Typical parameters: Radiation angle, backlight uniformity across the display area, lamp life, and power consumption. Small Household Appliances
Application Key Points: Control panel backlighting for microwave ovens, ovens, coffee makers, toasters, air purifiers, etc.
Requirements and Features: High-temperature resistance, easy cleaning, good visibility, stable color temperature and contrast, and cost control.
Typical Parameters: Operating temperature range, switch life, light source replacement cycle, and adjustable brightness.
Children's Electronic Toys
Application Key Points: Function buttons, display backlighting, interactive lighting effects, and mood lighting in educational devices.
Requirements and Features: Safety (no migration risk, low-voltage design), vibrant and stable colors, low power consumption, and compliance with child safety standards.
Typical Parameters: Brightness control range, light color (RGB or warm white/cool white), drop and bite resistance, and certification compliance.
Elevator Button Backlighting
Application Key Points: Floor indicator lights, button area backlighting, and emergency button indicator lights. Requirements and Features: High contrast, clear readability in bright sunlight or dim conditions, durable, shock and vibration resistant, and optionally waterproof and dustproof.
Typical parameters: Brightness level, viewing angle, on/off life, power consumption, and temperature and humidity adaptability.
Additional Common Backlight Application Scenarios

Medical Equipment Displays and Control Panels: Indicators outside the operating room and monitor button backlighting require high reliability and hygiene.

Industrial Control Panels: Button backlighting and status indicators for field equipment require corrosion resistance and wide operating temperature range.

Smart Home Consoles and Touchscreens: Touch area backlighting, status indicators, and mood lighting require adjustable color temperature and brightness.

Data Storage and Server Equipment: Front panel indicators and logo backlighting require low power consumption and high stability.

Aerospace and Military Equipment: High-reliability backlighting, temperature and radiation resistance, and emergency lighting options.

Design and Procurement Considerations

Light Source and Diffusion: Select a combination of direct LED illumination, light guide plate backlighting, and light diffusion materials based on the scenario to ensure uniformity and readability. Color Temperature and Color Rendering: Commercial displays typically range from warm white to neutral white (2700–4000K). Contrast applications may require neutral white or cool white. RGB color backlighting is optional.
Power Consumption and Thermal Management: The backlight area should match the overall power consumption of the device. PWM dimming and constant current drive should be used when necessary.
Environmental and Certification: Consider IP ratings, compliance requirements such as UL/CE/FCC, and temperature and humidity ranges.
Mechanical and Lifespan: Requirements for installation space, pressure, vibration, sealing, and lifespan (>20,000–50,000 hours).

 

 Product Picture:

            

                 

 

Core Architecture:
Edge-lit Backlight: LED strips are arranged along the edge of the screen, like a "flank guard of light and shadow." Light is diffused by precise dots within the light guide plate, creating a uniform surface light source. This allows for a slim device design and is commonly used in smartphones and laptops.
Direct-lit Backlight: LEDs are arranged at the bottom of the screen like a "photon matrix array." Light is then directed upward through a diffuser layer, achieving exceptional brightness and uniformity. Combined with local dimming technology, this technology delivers high contrast and is commonly used in high-end TFT LCDs and automotive LCD screens.

Components:
Light Source: Typically a high-purity LED mounted on a flexible printed circuit board, it is the foundation of the LCD module's color accuracy.
Reflective Film: Captures and recycles escaping light, enhancing lighting efficiency.
Diffuser: Using microstructures, it eliminates bright spots and dark shadows, ensuring uniform brightness transitions.
Brightness Enhancement Film (BEF): Focuses photons toward the viewing angle, increasing forward brightness and resulting in sharper images. Features:
High Brightness: Provides sufficient brightness to ensure clear display in all ambient lighting conditions.
Excellent Uniformity: Through an optimized design, brightness is evenly distributed across the screen, enhancing the viewing experience.
Adjustable Color Temperature: Supports different color temperature settings to meet the needs of various application scenarios.
Long Lifespan: LED backlights typically have a lifespan of tens of thousands of hours.
Energy-Saving and Environmentally Friendly: Low power consumption ensures compliance with environmental protection requirements.

ØCertificate authority

Delivery & Payment:

Package

1. Inner Product Protective Packaging
Anti-static Packaging:
Backlights contain electronic components (such as LED light strips and PCBs) and must be individually packaged in anti-static bags (shielding bags or anti-static PE bags) to prevent static electricity from damaging the components.
Buffering and Isolation:
Single or small batches of products (e.g., 10-20 pieces) should be placed in a blister tray (with grooves customized to the backlight size for precise positioning) or wrapped in EPE foam (5-10mm thick) to prevent friction and collision that could scratch the light guide plate and cause the LEDs to fall out.
2. Intermediate Reinforced Packaging
Carton/Corrugated Box:
Nearly arrange the products, already protected by the inner protective layer, and place them in a five-layer corrugated box (which has a better load-bearing capacity than a three-layer box and is suitable for long-distance international transport). Fill the empty spaces in the box with cotton padding, bubble wrap, or molded pulp to prevent vibration during transport. Custom Wooden Boxes (Optional):
For oversized backlights (such as automotive screens and industrial monitor backlights) or high-precision products requiring moisture protection, plywood boxes can be used (meeting export quarantine standards and avoiding fumigation of raw wood). Internally secured with foam board for improved impact resistance.
3. Outer Logistics Packaging
Palletized Shipping:
Multiple middle-layer cartons are stacked on a wooden or plastic pallet (typically 1200 x 1000 mm, adapted to container specifications). These cartons are secured crosswise with packing tape (PP or steel) and then covered with 3-5 layers of stretch film to prevent moisture and tipping.
Container Compatibility:
Pallet height must be kept within 2.2 meters (adapting to the clear height of a standard container). For bulk cargo, large anti-static bags can be placed on the outer layer to prevent moisture and dust from entering during sea or air transport. 4. Additional Protection Design
Moisture-Proof Treatment:
A desiccant (such as silica gel desiccant, the amount required is calculated based on the box volume) is placed inside the box, especially for high-humidity regions (such as Southeast Asia and South America) to prevent fogging of the light guide plate and rusting of metal components.
Clear Labeling:
Internationally recognized shipping symbols, such as "Fragile," "This Side Up," "ESD Sensitive," and "Weight/Dimensions," are printed on the outer box to remind logistics personnel to adhere to standard procedures.

 

FAQ 

Q: What is the main difference between an OEM LCD backlight and a generic backlight?
A: The core difference lies in the degree of customization. OEM products can be tailored to specific customer requirements (such as size, brightness, color temperature, interface type, and application scenario), adapting to specific devices. Generic backlights, on the other hand, have standardized specifications and a wider range of applications, but they struggle to meet individual needs.

Q: What is the typical service life of an OEM LCD backlight? What factors affect its lifespan?
A: Typically, it can reach 30,000 to 50,000 hours (depending on product specifications). Factors influencing the service life include: LED light source quality (low-quality LEDs tend to prematurely age), operating temperature (high temperatures accelerate aging), drive current (overcurrent causes faster light source degradation), and heat dissipation design (poor heat dissipation can shorten overall lifespan).

Q: Can OEM LCD backlights be customized with different color temperatures? What are the common color temperature ranges?
A: Yes, it can be customized. Common color temperature ranges include: warm white (2700K-3500K, yellowish, suitable for home appliances), natural light (4000K-5000K, close to natural light, suitable for office equipment), and cool white (6000K-7000K, bluish, suitable for outdoor use or for high-brightness applications, such as automotive displays).

Q: What are the appropriate applications for edge-lit and direct-lit OEM LCD backlights?
A: Due to its slim structure, edge-lit OEM backlights are suitable for applications where device thickness is a concern, such as smartphones, tablets, and laptops. Direct-lit OEM backlights offer higher brightness, better uniformity, and support for zoned dimming, making them suitable for devices with high image quality requirements, such as high-end monitors, TVs, and in-car central control screens.

Q: How long does it take to customize an OEM LCD backlight? What parameters are required?
A: Customization typically takes 2-4 weeks (depending on complexity). Key parameters to provide include: compatible LCD size/model, required brightness (cd/m²), color temperature, operating voltage/current, mounting method (e.g., adhesive/snap-on), ambient operating temperature range, and whether special features (e.g., dimming, waterproofing, etc.) are required.

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