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4-Inch Front Fresnel Lens for Projectors
Optical Lenses

4-Inch Front Fresnel Lens for Projectors

Supplier
Keying-ly
Category
Optical Lenses
Origin
China

Yuying Optics develops Fresnel lenses for projection equipment,providing collimation and light collection to improve image brightness and uniformity. Converting a point source into a parallel beam reduces the central bright-spot effect and improves overall display quality. The lenses are commonly combined with cylindrical lenses. Custom sizes,shapes and focal lengths are available. Optimized groove pitch and profile improve resolution,clarity and brightness. Decentered condenser-objective technology expands keystone-correction capability for tabletop and ceiling-mounted use. Combining front and rear Fresnel lenses improves light utilization. Focal length,size and groove profile can be customized. In projection systems,the Fresnel optics collimate and focus light: a point source is converted to parallel light to brighten panel edges,reduce the central bright spot and improve uniformity,usually with cylindrical or other optics. Without a collimating lens,light loss through the panel increases,creating hot spots and dimmer screen edges. On the other side of the LCD,the panel light must be collected into the projection lens.

Specification Snapshot
Focal Length
130mm
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Overview

Yuying Optics develops Fresnel lenses for projection equipment,providing collimation and light collection to improve image brightness and uniformity. Converting a point source into a parallel beam reduces the central bright-spot effect and improves overall display quality. The lenses are commonly combined with cylindrical lenses. Custom sizes,shapes and focal lengths are available. Optimized groove pitch and profile improve resolution,clarity and brightness. Decentered condenser-objective technology expands keystone-correction capability for tabletop and ceiling-mounted use. Combining front and rear Fresnel lenses improves light utilization. Focal length,size and groove profile can be customized. In projection systems,the Fresnel optics collimate and focus light: a point source is converted to parallel light to brighten panel edges,reduce the central bright spot and improve uniformity,usually with cylindrical or other optics. Without a collimating lens,light loss through the panel increases,creating hot spots and dimmer screen edges. On the other side of the LCD,the panel light must be collected into the projection lens.

Specifications

ParameterValue
Product MaterialOptical-Grade PMMA
Product Dimensions118.05 mm × 64.56 mm
Focal Length130mm
Ring Spacing0.3mm

Applications

Portable projectors: ultrathin Fresnel lenses enable palm-sized optical engines. Rear-projection TVs: large Fresnel screens provide light diffusion and viewing-angle control. 3LCD/DLP projection technologies: both use Fresnel lenses as core light-concentrating elements.

Key Features

Improved brightness uniformity reduces an overbright center and dark edges. Better light utilization reduces losses through the panel. Hot-spot suppression protects the panel and extends equipment life. Front and rear Fresnel optics jointly improve image quality: the front lens collimates and the rear lens focuses. Supports ceiling-mounted and tabletop configurations for clear imaging and keystone correction.

Datasheet

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Supplier Information

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Keying-ly
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Shandong Yuying Optical Instrument Co., Ltd. is a high-tech enterprise focusing on the R&D, design, manufacturing and sales of Fresnel lenses. Founded in 1970, formerly known as Linyi Radio Accessories Factory, it has been engaged in the production and manufacturing of Fresnel lens related products since 1976. After restructuring in 1992, it was officially renamed Shandong Yuying Optical Instrument Co., Ltd. and has continued to invest in Fresnel lens technology and manufacturing system construction. Yuying has a registered capital of 100 million yuan, covers an area of more than 200 acres, with a building area of over 70,000 square meters. It has more than 600 employees, including more than 80 technical R&D personnel. The company has established a complete production capacity covering mold manufacturing, injection molding, compression molding, coating, testing and assembly, with an annual output of more than 160 million Fresnel lenses. After more than 50 years of continuous development and technological accumulation, Yuying Optics has served more than 10,000 customers worldwide, and its products are exported to many countries and regions in the Americas, Europe, and Southeast Asia. The company has established long-term stable cooperative relations with well-known enterprises such as Philips, Hikvision, Dahua, Li Auto, Schneider, Midea, and Delixi. Its products are widely used in human infrared induction, LED light distribution (traffic lights, projection lights, spotlights, etc.), optical imaging (projectors, HUD, 3D printing, VR/AR/MR), solar concentration, magnifiers and many other industries and professional application scenarios. The company has established a complete capability system covering "independent design, mold manufacturing and mass production". We always adhere to technology innovation-driven development, continue to increase R&D investment, and are committed to providing customers with customized, differentiated, and high value-added optical solutions. The company has successively won honors such as National High-tech Enterprise, National Little Giant Enterprise, Shandong Province Specialized and New Little Giant Enterprise, Provincial Excellent Enterprise for Integration of Informatization and Industrialization, "Good Product Shandong", "Qilu Premium Products", etc., and has built provincial-level industrial design centers, Shandong Provincial Enterprise Technology Centers and other R&D platforms. The company has passed ISO9001, ISO14001, IATF16949, SA8000 and other management system certifications.

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