Products

Custom Size PET Prism Film Sheet

Product Name: Custom Size PET Prism Film Sheet
Thickness: Standard range 0.115mm–0.275mm; customizable range 0.025mm–0.25mm
Dimensions: Supports custom lengths and widths; available in rectangular, circular, and irregular shapes with no rigid size limitations
Angles: Supports customization of various prism angles, including 0°, 45°, 90°, 135°, etc.
Material Composition: High-transparency optical-grade PET substrate + UV-cured resin prism layer; optional functional coatings available (anti-static, anti-scratch, anti-UV)
Key Advantages:
Supports full-range size customization, compatible with various display and lighting devices, requiring no secondary processing
Efficient light focusing and brightening capabilities; effectively boosts image brightness while reducing overall device power consumption
Strong light-guiding properties; optimizes viewing angles and delivers excellent image uniformity
Resistant to aging and yellowing; offers stable optical performance with a service life of 5–8 years
Flexible and abrasion-resistant material; simple to install and apply; suitable for assembly in diverse backlight module applications
Transmittance and haze levels can be customized on demand; compatible for use in combination with diffuser films and reflector films

Fast Delievery
Quality Assurance
24/7 Customer Service

Product Introduction

Rina Technology Co., Ltd. is one of the leading manufacturers and suppliers of custom size pet prism film sheet 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 Custom Size PET Prism Film Sheets

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The Custom Size PET Prism Film Sheet is an optical film manufactured using a highly transparent PET (polyethylene terephthalate) substrate, featuring a uniform prism pattern precisely fabricated onto its surface through advanced micro-replication technology. Its core advantage lies in the ability to be fully customized-including dimensions, thickness, and prism angles-to meet the specific requirements of clients and accommodate the personalized application needs of diverse scenarios. Compared to standard-sized prism films, this product offers superior flexibility, effectively resolving the critical issue of size mismatch often encountered in specialized equipment or unique projects.

It is widely utilized across various sectors-including LCD backlight modules, laptop computers, automotive displays, digital signage, and LED lighting-serving as an indispensable core component in the modern optical display industry that seamlessly combines exceptional optical performance with practical adaptability. Fabricated from high-quality PET substrates and UV-curable resins, the product exhibits excellent light transmittance, weather resistance, and mechanical strength; furthermore, depending on the specific application environment, it can be customized in a wide range of specifications-from miniature dimensions to large-format sheets-thereby satisfying the diverse operational demands of numerous industries.

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Core Brightness Enhancement Functions of Custom-Sized PET Prism Film Sheets

Optical Brightening Function: Utilizing a precise surface micro-prism structure-and based on the principles of light refraction, reflection, and interference-the film converges dispersed light and directs it toward a specific viewing angle. This effectively enhances the on-axis brightness of display panels; a single sheet can achieve a brightness increase of approximately 60%, while the use of two orthogonally positioned sheets can boost brightness by up to 120%. Simultaneously, this process minimizes light wastage, reduces the power consumption of the backlight module, and optimizes the overall visual experience of the display device.

Size Adaptation Function:This constitutes the core customization feature of the product. Based on client requirements, the film can be precisely tailored in terms of length, width, thickness (with a common customization range of 0.115mm to 0.275mm, extendable for specialized applications), and cut shape. This ensures a perfect fit for display devices or optical components of varying dimensions, eliminating the need for clients to perform secondary trimming. Consequently, processing waste is reduced, production efficiency is enhanced, and the product becomes suitable for a wide spectrum of applications-ranging from small LCD modules to large-scale outdoor displays.

Light Modulation Function:Through the customization of prism angles (e.g., 0°, 45°, 90°, 135°), the film allows for precise control over the direction of light propagation. This improves the viewing angle performance of display devices, mitigates brightness decay when viewed from the side, and enhances image uniformity and color saturation. Furthermore, it helps prevent glare, making it ideal for applications with stringent light control requirements-such as automotive displays and medical imaging equipment.

Custom Specifications for Custom-Sized PET Prism Film Sheets

Prism sheet angle	0 degrees(Upper) ; 90 degrees(Lower) ; 45degrees(upper) ; 135 degrees(Lower)
The common thickness of Prism sheet	0.115MM,0.21MM,0.275MM
Prism sheet material composition	PET+ prism coating

Applications of Custom Size PET Prism Film Sheet

LCD Displays:

BEFs are commonly used in liquid crystal displays for televisions, monitors, tablets, and smartphones to enhance brightness and improve image quality.

Lighting Solutions:

BEFs can be used in LED and fluorescent lighting applications to improve light distribution and brightness, enhancing the overall effectiveness of the lighting.

Advertising Displays:

Retail displays and digital signage employ BEFs to attract attention by enhancing the visibility and brightness of promotional content.

Projectors:

In projection systems, BEFs help increase the brightness of the projected image, making it clearer and more vivid, especially in well-lit environments.

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

1. What is the customizable size range for the Custom Size PET Prism Film Sheet?

There are no fixed limits on custom dimensions; sizes can be flexibly adjusted to meet specific client requirements. Length and width can be customized to range from a few centimeters up to several meters. The standard thickness range is 0.115mm to 0.275mm, though for specialized applications, this can be extended to a range of 0.025mm to 0.25mm. Cutting shapes can be customized to be rectangular, circular, or irregular (custom-shaped) to suit the installation requirements of various devices. The Minimum Order Quantity (MOQ) can be negotiated based on the specific customization specifications.

2. In which fields is the Custom Size PET Prism Film Sheet primarily used?

It is primarily applicable to various optical display and lighting scenarios, including-but not limited to-LCD televisions, laptop computers, tablet PCs, in-vehicle navigation systems, surveillance monitors, digital signage, LED backlight modules, portable DVD players, and digital cameras. Additionally, it can be utilized in specialized settings such as optical experiments, medical displays, and outdoor lighting; essentially, wherever there is a need for light brightening, directional control, or specific size adaptation, this product can be customized for use.

3. How long does the brightness-enhancing effect of the Custom Size PET Prism Film Sheet last?

Under normal operating conditions (avoiding prolonged exposure to high temperatures, strong UV radiation, or scratching by sharp objects), the brightness-enhancing effect can be stably maintained for 5 to 8 years. The product utilizes a high-quality PET substrate and highly weather-resistant UV resin, offering excellent resistance to yellowing and aging. It effectively withstands environmental factors that could otherwise impact optical performance, ensuring that brightness degradation does not exceed 10% even after long-term use.

4. What parameters need to be provided when ordering a Custom Size PET Prism Film Sheet?

Clients must provide key customization parameters, including: the required length, width, and thickness of the film sheet; the prism angle (e.g., 0°, 45°, etc.); requirements regarding surface haze and light transmittance; whether special functional coatings-such as anti-static, anti-UV, or anti-scratch layers-are required; the cutting shape (e.g., standard rectangular or irregular/custom shapes-custom shapes require the submission of technical drawings); and the specific application scenario (to facilitate the recommendation of the most suitable materials and manufacturing processes). Providing detailed parameters ensures that the customized product precisely matches the client's specific requirements.

5. Is the installation process for the Custom Size PET Prism Film Sheet complicated?

The installation process is simple and convenient, requiring no specialized or complex equipment. Standard models can be applied directly to the surface of the backlight module or display panel; the use of specialized lamination tools is recommended to prevent the formation of air bubbles. For customized models featuring an adhesive coating, simply peel off the protective film and apply directly; after placement, press down to ensure a smooth, flat fit. During installation, take care to avoid touching the prism surface with your fingers to prevent leaving fingerprints that could compromise optical performance; additionally, maintain a clean installation environment to prevent dust accumulation.

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