Light Guide Plate for LCD Module
Product Name: Light Guide Plate for LCD Module
Thickness: 0.7mm and above (customizable)
Size: Customizable
Material: PMMA
Advantages: Grade A quality, uniform panel surface
- Fast Delievery
- Quality Assurance
- 24/7 Customer Service
Product Introduction
Rina Technology Co., Ltd. is one of the leading manufacturers and suppliers of light guide plate for lcd module 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.
Product Introduction of Light Guide Plate for LCD Module
14-inch to 86-inch sizes are customizable.
Thickness of 0.7mm or more is customizable.
Uniform light
The Light Guide Plate for LCD Module is a core optical component in an LCD display system. Its main function is to efficiently convert point or line light emitted from side-lit or direct-lit light sources into uniform, soft planar light, providing a stable backlight foundation for the LCD panel that meets display requirements.
This product typically uses optical-grade transparent polymer materials such as polymethyl methacrylate (PMMA, commonly known as acrylic) and polycarbonate (PC) as the base material. Some high-end products use glass to adapt to special application scenarios.
Structurally, the surface or interior of the Light Guide Plate for LCD Module achieves light conduction and diffusion through microstructure design. Common microstructures include printed dots, laser-engraved micro-pits, and V-grooves. The density, shape, and distribution of these structures are precisely controlled according to the size, resolution,
and brightness requirements of the LCD module. The product is typically sheet-like in shape, with a wide range of thicknesses, from ultra-thin 0.3mm to thicker 5mm and above, to accommodate LCD modules of various sizes, including mobile phones, tablets, laptops, monitors, and televisions.
In terms of performance indicators, the Light Guide Plate for LCD Module focuses on transmittance, haze, brightness uniformity, and weather resistance. A high-quality light guide plate can achieve a transmittance of over 90%, minimizing light loss;
brightness uniformity deviation is controlled within ±5%, ensuring a smooth display without uneven brightness; it also possesses excellent high-temperature resistance and anti-aging properties, meeting the environmental requirements for long-term operation of LCD modules.
The significant role of the Light Guide Plate for LCD Module
First, it achieves efficient conversion of light patterns. LCD panels themselves lack self-emissive capabilities, relying on a backlight module for light. However, the light emitted by these light sources (such as LED beads) is mostly directional, point-like or line-like, which cannot directly meet the panel's display requirements. The Light Guide Plate for LCD Module, through its internal microstructure, refracts, reflects, and scatters light, transforming these non-area light rays into uniform area light covering the entire panel. This is the core guarantee for the backlight module to achieve "area light source" output.
Second, it enhances display quality and visual experience. The brightness uniformity of this product directly determines the display effect of the LCD screen. A high-quality light guide plate effectively avoids problems such as "bright spots" and "dark corners," ensuring consistent brightness and accurate color reproduction across all areas of the screen. Simultaneously, through optimized microstructure design, the light guide plate also reduces glare, making the light softer and reducing eye strain from prolonged screen viewing.
Furthermore, it contributes to the thinner and more energy-efficient development of LCD modules. In edge-lit backlight structures, the application of a Light Guide Plate for the LCD Module can significantly reduce the thickness of the backlight module, enabling thinner and lighter designs for portable devices such as mobile phones and laptops. Furthermore, the efficient light guide plate reduces light loss during transmission, ensuring full utilization of the emitted light and thus lowering the overall power consumption of the LCD module
Finally, it ensures the stability and reliability of the LCD module. As a core supporting component of the backlight module, the weather resistance of the light guide plate and the stability of its structure ensure that the brightness and uniformity of the backlight module remain stable under different temperature and humidity environments, preventing a decline in display quality due to light guide plate performance degradation and extending the lifespan of the LCD module.
Applications of Light Guide Plate for LCD Module
RINA TECHNOLOGY
is a high-tech enterprise specializing in research, development, production ,sales of Optical LED products and provide the one step optical lighting solution for customers.Established in 2011, Hong Kong, after years of rapid development, Rina Tech has settled office and factory in Shenzhen,and has professional senior technicians and qualified managers,has a talented team for product research and designing.
Nowadays, we have laser cutting machines, printers, film cutting machines, injection molding equipments,high-standard assembly workshops, BM-7 clean machines and other advanced equipments.
Our factory daily output is more than 80000pcs. to cater for the market at home and abroad.With years of unremitting effort,RINA TECH has passed get the Registration Certificate ofCustoms Declaration Unit of the People's Republic of China , National Credit Cultivation Certificate and Get our own Brand already.
We has made many breakthroughs in researching and manufacturing and has
obtained lots of good reputation from oversea customers.
Now we has cooperated with and become strategic partner of some famous enterprises such as LG, Samsung, Lenovo etc."Living on Sincerity, following with Market, Advancing by Specialty" is our eternal philosophy,and the company motto is "Good at Production, Good for Society".
We look forward to cooperating with you to make the world better and future brighter!
FAQ
Q1: What is the core function of the Light Guide Plate for LCD Module?
A1: Its core function is to convert the point or line light emitted by the light source in the LCD backlight module into uniform and soft planar light, providing stable backlight support for the LCD panel and ensuring uniform and clear display brightness.
Q2: What are the commonly used materials for the Light Guide Plate for LCD Module? What are their characteristics?
A2: Commonly used materials are PMMA (acrylic) and PC (polycarbonate). PMMA has high light transmittance (up to 92% or more), good optical performance, and lower cost, making it the mainstream choice. PC material has stronger impact resistance and high temperature resistance, suitable for outdoor displays or industrial control scenarios with high reliability requirements, but its light transmittance is slightly lower than PMMA.
Q3: What are the possible reasons for uneven brightness in the Light Guide Plate for LCD Module during use?
A3: The main reasons include: 1. Impurities, scratches, and other defects on or inside the light guide plate affect light transmission; 2. Insufficient microstructure processing precision, resulting in uneven distribution of dots or pits; 3. Inconsistent brightness of the backlight source (such as LED beads), or mismatch between the light guide plate and the light source; 4. Aging and deformation of the light guide plate after long-term use, leading to a decline in optical performance.
Q4: What is the typical lifespan of a Light Guide Plate for LCD Module?
A4: Under normal operating conditions (avoiding high temperature, high humidity, and direct sunlight), light guide plates based on PMMA or PC can last 5-8 years. Their lifespan is mainly affected by the material aging rate and the operating environment. High-quality light guide plates, through special anti-aging treatments, can further extend their lifespan.
Q5: What are the differences in choosing a Light Guide Plate for LCD Module for different sizes of LCD modules?
A5: Small-sized LCD modules (such as mobile phone and smartwatch screens) typically use ultra-thin (0.3-1mm) PMMA light guide plates, combined with laser-engraved microstructures, to meet the requirements of thinness and lightness; medium-sized modules (such as tablets and monitors) can use 1-3mm light guide plates, and the printing or molding process is selected according to the brightness requirements; large-sized modules (such as TVs) require a slightly thicker (3-5mm) light guide plate, and at the same time, the microstructure design is optimized to ensure the brightness uniformity of the large screen.
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