Prism Sheet For LCD Screen
Product Name: Prism Sheet For LCD Screen
Thickness: 0.115MM, 0.21MM, 0.275MM
Size: Customizable
Angle: 0 degrees (Upper); 90 degrees (Lower); 45 degrees (Upper); 135 degrees (Lower)
Material Composition: PET + prism coating
- Fast Delievery
- Quality Assurance
- 24/7 Customer Service
Product Introduction
Rina Technology Co., Ltd. is one of the leading manufacturers and suppliers of prism sheet for lcd screen 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
I. Introduction to Prism Sheets for LCD Screens
Prism sheets designed for LCD screens-often referred to as Brightness Enhancement Films (BEF)-are indispensable core optical films within LCD backlight modules. Developed based on micro-optical principles, these products feature a precision-engineered, uniform array of micro-prisms replicated onto a highly transparent substrate, enabling the precise control and optimization of backlight. As specialized optical components for LCD devices, they are widely used in applications ranging from mobile phones and computer monitors to automotive displays and televisions. They effectively enhance frontal brightness and display uniformity without increasing light source power consumption, while simultaneously mitigating common issues such as side light leakage and uneven brightness. By balancing display performance with energy efficiency-and thanks to their stable optical properties and slim, lightweight profile-these sheets serve as a core component for optimizing modern LCD backlight systems.
II. Functions of Prism Sheets for LCD Screens
1. Screen Brightness Enhancement:
This is the core function of the prism sheet. Light emitted from the LCD backlight source typically scatters in multiple directions; a significant amount of light disperses uselessly toward the sides or rear of the screen, resulting in wasted optical efficiency.
2. Light Path Correction:
The prism sheet corrects the angles of haphazardly incident backlight rays and rectifies irregular light paths. By directing the exiting light to emerge perpendicular to the screen plane, it resolves issues such as viewing angle shifts and frontal brightness attenuation
3. Display Uniformity Optimization:
When used in conjunction with the diffusion film in the backlight module, the prism sheet further balances light distribution across the entire screen. It mitigates defects such as dark edges, localized bright spots, and uneven lighting
4. Light Recycling:
For light that passes through the prism structure without being directed forward, the prism sheet works with the backlight reflector to facilitate secondary reflection and recovery. This minimizes internal light loss within the backlight module
III. Structural Composition of the LCD Prism Sheet
The LCD prism sheet utilizes an integrated three-layer composite structure characterized by a lightweight, uniform profile and robust optical stability. Each layer performs a distinct yet synergistic function, forming a comprehensive optical control system. The specific structural composition is as follows:
1. Bottom Light-Input Coating: Serving as the light-entry layer, this component employs a specialized matte, light-transmissive coating material. It features a smooth, refined surface with a controlled haze effect. Its primary functions include uniformly receiving scattered light from the light guide plate to prevent glare caused by direct light.
2. Middle PET Transparent Substrate: This acts as the primary structural support layer, manufactured from optical-grade PET polyester film known for high light transmission and toughness. The substrate boasts a light transmission rate exceeding 90% and exhibits excellent optical clarity, tensile strength, and thermal stability. It provides a stable base for the surface prism structure, preventing deformation or wrinkling, ensuring consistent optical performance over long-term use, and meeting the requirements for slim, lightweight LCD screen assembly.
3. Surface Micro-Prism Structure Layer: This is the core functional layer of the prism sheet. Utilizing a precision micro-replication process, an array of continuous micro-triangular prisms made of cured acrylic resin is formed on the substrate surface. The prisms are arranged in a precise, uniform pattern with individual prism heights controlled between 20 and 50 μm. By leveraging precise geometric angles to refract, converge, and correct light, this layer serves as the central mechanism for brightness enhancement and light control, ultimately determining the product's optical performance.
Custom Specifications for the LCD Prism Sheet
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Prism sheet angle
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0 degrees(Upper) ; 90 degrees(Lower) ; 45degrees(upper) ; 135 degrees(Lower)
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The common thickness of Prism sheet
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0.115MM,0.21MM,0.275MM
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Prism sheet material composition
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PET+ prism coating
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Applications of the LCD Prism 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
Q1: What is the difference between Prism Sheet For LCD Screen and ordinary diffusion film?
A1: The functions and principles of the two are completely different. The core function of Prism Sheet For LCD Screen is to gather and correct light, improve the brightness of the front of the screen, and focus on brightening and controlling light; while the diffusion film is only used to disperse light and even out light and shadow, without any brightening effect. In LCD backlight modules, diffusion film is usually used in combination with Prism Sheet For LCD Screen to jointly optimize the display effect.
Q2: Can Prism Sheet For LCD Screen be used alone?
Q3: How long is the service life of Prism Sheet For LCD Screen, and is it easily damaged?
Q4: Do LCD screens of different sizes need to be matched with a dedicated Prism Sheet For LCD Screen?
Q5: Will using Prism Sheet For LCD Screen increase the power consumption of the LCD screen?
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