LCD Module Assembly Light Guide Plate
Product Name: LCD Module Assembly Light Guide Plate
Material: Acrylic
Size: Customizable
Thickness: 0.4mm and above (customizable)
Advantages:
High panel uniformity
Precise dimensional accuracy
Customizable mounting positions
- Fast Delievery
- Quality Assurance
- 24/7 Customer Service
Product Introduction
Rina Technology Co., Ltd. is one of the leading manufacturers and suppliers of lcd module assembly light guide plate 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.
Products Description
Introduction to LCD Module Assembly Light Guide Plate

The LCD Module Assembly Light Guide Plate is one of the core optical components of an LCD display module and a key part of the backlight module (BLU). It is typically made of high-transmittance materials such as PMMA , while some high-end products use optical-grade glass.

The surface uses microstructure designs to achieve light transmission and uniform diffusion. In the LCD module assembly process, it needs to precisely coordinate with the backlight module's light source,reflector, diffuser,and BEF to provide uniform and stable backlight support for the LCD panel
Functions of the LCD Module Assembly Light Guide Plate
The core functions
of the LCD Module Assembly Light Guide Plate revolve around light transmission, homogenization, and adaptation to LCD module assembly requirements. Specifically, these can be divided into three core functions:
First, light transmission.
The light source of an LCD module is typically installed on the side (side-lit backlight) or bottom (direct-lit backlight) of the light guide plate. The LCD Module Assembly Light Guide Plate, utilizing its high light transmittance material, efficiently transmits light emitted from point or line light sources to the entire display area, reducing light loss during transmission and ensuring that light covers every pixel of the LCD panel, avoiding light gaps.


- Excellent environmental adaptability:
Second, light homogenization. Through precise design of the surface microstructure, the LCD Module Assembly Light Guide Plate disperses and refracts concentrated light during transmission, transforming unevenly distributed light into a uniformly distributed surface light source. This eliminates bright spots, dark areas, and halos on the screen, ensuring consistent brightness of the LCD display and improving the visual experience.
- Energy control and energy saving:
Third, module assembly adaptation and performance optimization. During the LCD module assembly process, the size, thickness, and mounting hole positions of the light guide plate need to be precisely matched with the module shell and backlight components to play a role in structural positioning and support. At the same time, some high-end LCD Module Assembly Light Guide Plates integrate anti-glare and high-temperature resistance characteristics to adapt to the module's working requirements in different scenarios, taking into account both thinness and stability, and helping the module achieve comprehensive performance of low power consumption and high brightness.
Production Process of LCD Module Assembly Light Guide Plate
1. Raw Material Pretreatment: Optical-grade PMMA/PC particles (transmittance ≥92%) are selected. After drying and impurity removal, moisture and impurities are removed from the raw materials to avoid defects such as bubbles and fogging after molding, ensuring stable optical performance.
2. Microstructure Design and Mold Making: Based on the size of the LCD module and the backlight scheme (side-lit/direct-lit), the microstructure of the light guide plate surface (dot density, groove angle, etc.) is designed. Molds are fabricated using precision machining techniques (commonly electroforming and photolithography processes). The precision of the mold directly determines the conduction effect of the microstructure.
3. Molding Process: Using injection molding, extrusion molding, or calendering, pre-treated raw materials are injected into a mold and cooled to form a light guide plate blank with microstructures. Injection molding is suitable for high-precision, complex microstructure products, while extrusion molding is suitable for mass production of thin light guide plates.
4. Post-processing: The molded light guide plates are cut, polished, and cleaned to remove edge burrs and surface stains. Some products require coating treatment (such as anti-reflective coating or anti-reflective coating) to improve light utilization. Simultaneously, mounting holes, positioning grooves, and other structures are machined according to LCD module assembly requirements.

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: Will scratches on the surface of the LCD Module Assembly Light Guide Plate affect the display effect?
A1: Yes. The surface microstructure of the LCD Module Assembly Light Guide Plate directly determines the light transmission and homogenization effect. Scratches can cause abnormal light scattering, resulting in local bright spots, dark lines, or halos. In severe cases, it can affect the uniformity of the entire LCD screen display. Minor scratches can be repaired through professional polishing, while severe scratches require replacement of the light guide plate.
Q2: What factors affect the lifespan of the LCD Module Assembly Light Guide Plate?
A2: The core influencing factors include material, working environment, and usage scenario. PMMA material light guide plates typically have a lifespan of 5-8 years, while PC material has stronger weather resistance and a lifespan of 8-10 years. High temperature, high humidity, and strong ultraviolet radiation environments will accelerate material aging and shorten the lifespan. High-frequency usage scenarios such as automotive and industrial applications cause greater wear and tear on the light guide plate compared to consumer electronics, requiring the selection of wear-resistant materials.
Q3: Is the LCD Module Assembly Light Guide Plate compatible with LCD modules of different sizes?
A3: No, it is not compatible. The dimensions, microstructure design, and mounting hole positions of the LCD Module Assembly Light Guide Plate must be precisely matched to the dimensions and backlight scheme of the LCD module. Different sizes and backlight types (side-lit/direct-lit) require customized light guide plates; generic light guide plates will result in poor light uniformity and low assembly compatibility.
Q4: What precautions should be taken when assembling the LCD Module Assembly Light Guide Plate?
A4: Three points should be noted: First, avoid touching the surface of the light guide plate with bare hands to prevent fingerprints and stains from affecting optical performance; wear clean gloves during assembly. Second, accurately align components such as reflectors and diffusers to avoid misalignment that could lead to light leakage. Third, control assembly pressure to prevent deformation of the light guide plate and damage to its surface microstructure.
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