detail view of fresnel lens

Hybrid Fresnel lens for infrared sensors with increased transmittance

The lenses that were previously used for infrared sensors used expensive and difficult to process. The cost of the material itself was expensive, so the unit price of the lens had to go up. Also, due to the limitation of the thickness of existing lenses, the overall lens composition thickness was very thick compared to the sensor.   There was an...

CEO Myung-Joong KIM invited as speaker of ITC-CSCC 2021 “TEST METHOD OF AUTONOMOUS VEHICLE”

Ashton Myung KIM, CEO of Fresnel Factory Inc. presents an international standardization session in ITC-CSCC 2021. The paper presents a justification of performance test in module level and its testing methods for autonomous vehicles (AV). This work has been divided into three parts. In the first part, justification and related international standards....


Design of Fresnel Lens for Sensors to Measure Vehicle Speed

Previously, Fresnel lens was only used in lighting and some sensors. Recently, however, the penetration rate has been high and the number of Fresnel lens-injectible materials has increased, which has been added to your field. Among them, I would like to talk about the design of Fresnel lenses for sensors to measure the speed of vehicles....


Light art using Fresnel lens at ADER Space 1.0 Hongdae

Light through arrayed convex and concave Fresnel lens makes impressive illumination art effect. See more details to visit   For the lens, please feel free to ask    


Design and fabrication of lenses for human body detection (PIR) products with a detection range of 360 degrees

Recently, there has been a request for development of PIR products for various purposes. Typical PIR products have different detection angles depending on their intended use. For this reason, lenses are essential for PIR products. Fresnel Factory Korea is also receiving inquiries about various lenses for PIR products. Among them, there was an inquiry...

Lens for Photoplethysmogram sensor – wearable medical device

    Sky Labs announced that they will have massive clinical trial in United Kingdom. The wearable medical device is ring shape with P hotoplethysmogram(PPG) sensor , so it makes Subjects are more comfortable to have it. Fresnel Factory Inc. currently mass production Lens for PPG sensor after ODM development. A advantage of lens for...


Customer story: EMTOMEGA Fresnel lens for RD+DVR

One of our customers is introduced their success story in a major Korean business newspaper. 2years ago, Fresnel Factory Inc. received a request for Lens for Radar detector to enhance detecting distance.   - Go to related application story   - Go to related Product   It is very pleased to hear our customer's story.  Here is a scanned...

K-Tech @ Silicon Valley optics Webinar

Fresnel Factory Inc. has participated in K-Tech webinar on 5th Nov 2020. The title of the presentation is "Optics for sensor". In the presentation, CEO Ashton KIM mentioned about Plastic Lens housing for sensor for Thermal image, medical sensor and LiDAR.  For more information and registration, please contact Frank Yim(...


CES 2016, Las Vegas, USA

How are you? This is Myung J.Kim, CEO of DIYPRO.   I returned from CES 2016, Las Vegas, USA last week. Reflecting the trend of explosive growth of IOT industry, it was possible to find visibly increasing IOT related products in comparison with CES 2015. Among them, I checked concentrating upon the products that applied PIR Fresnel lens...

Overhead projector fresnel

A work of art with overhead projector applying Fresnel lens

Matching the technology and art is not easy job, but a very meaningful one. We DIYPRO provided technical advice and Fresnel lens recently  in accordance with the request of one external  firm.   It is to project the image with various patterns on the surface of wall by applying overhead projector . ​ Something peculiar is that the...

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