Konica Minolta News
ap-wearable-device-blog-1

Evaluating Display Performance of Wearable Devices

Over the last few years, wearable devices such as fitness trackers that count steps or smartwatches that notify calls and messages are gaining popularity. These wearable devices, equipped with sensors, communicate wirelessly with smartphone or other electronic devices to receive …
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Evaluating color temperature of LED Streetlights

In recent years, white light emitting diode (LED) lighting have emerged as a popular option for modern street lights. These LED lighting has better energy efficiency and longer lifespan than other types of lighting. Despite these benefits, the American Medical …
muramain

Quantitative Evaluation of Mura in Display

Today’s consumers have access to a wide variety of flat-panel display technology, including the most common Liquid Crystal Display (LCD) and the emerging Organic Light-Emitting Diode (OLED). While LCD technology undisputedly dominates the TV scene, OLED starts to make its …
horticulture

Horticulture Lighting

Light is a vital environmental factor for plant growth. It drives photosynthesis (the process of converting light energy to chemical energy in plant), photomorphogenesis (plant development process that is controlled by light), and photoperiodism (plant recognition of light and darkness …
surgical

Surgical Lighting Standards

Surgical lightings are required to meet standards and guidelines that are created to ensure the safety of patients by reducing risk level during surgery. The lightings must have high brightness, good color rendering and allow correct evaluation of patients’ cavity. …
luminancevsilluminance

Illuminance vs Luminance

Is there a difference between “illuminance” and “luminance”? Lighting terms can be confusing; two of the most used and often mixed up terms are illuminance and luminance. Illuminance Illuminance is the lighting up of a surface area. It is a …
whymeasurecolor

Why Measure Light and Color

Why measure light? One important factor why we measure light is for safety reasons with road and runway lighting being the priority. Lighting along roads and runways primarily assists routing of traffic, these areas should not be dimly lit. Drivers …
CL-550A Illuminance Spectrophotometer

Classification of Photometer by Performance

A photometer can be defined as an instrument for measuring visible light. Luminance and illuminance meters are the most common photometers and are easily available as turnkey solutions. However, there are quite a number of photometers to choose from, ranging …
Wavelength

What is Mesopic Photometry?

Based on CIE 191:2010 – Recommended System for Mesopic Photometry Based on Visual Performance, mesopic vision actually lies in between the scotopic and photopic vision. The human eye has two types of photoreceptors called rods and cones. The cones are …
CL-500A Illuminance Spectrophotometer

What is Color Rendering Index in Lighting?

What is CRI? Color rendering index or CRI is an objective quantification of the color rendering ability of a light source, to reveal the colors of various objects faithfully in comparison with an ideal or natural light source. The standard …
Road Lighting Measurement Using an Imaging Photometer

Road Lighting Measurement Using Imaging Photometer

Light emitting diode (LED) technology is revolutionising functional outdoor lighting and in street lighting, LED is an alternative to traditional lamp sources such as high intensity discharge lamps and high pressure sodium luminaires. To quantify the performance of LED street …
Fruits and Vegetables

The Fruits (and Veggies) of LED Lighting In Indoor Farming

Any farmer will tell you that planting, growing and harvesting crops can be a tricky proposition. Too much or too little rain, a surprise cold snap, swarm of locusts, dramatic weather or geological upsets or just plain bad luck can …
LED Metrology

Color Education Series – LED Metrology

Incredible developments in LEDs in recent years have generated a significant growth market with completely new applications. Full color displays only became possible with the introduction of high-intensity blue LEDs, while white LEDs are becoming widely used in solid state …
Taj Mahal Palace in India

Spectrophotometer to Measure Tourism Effects/Environmental Effects on Architecture

The breakdown of materials and physical damage to architecture is often visible, but there may be much more that we are unable to see with the naked eye. Monumental landmarks attract hundreds of thousands of tourists every year. In order …
CL-500 Illuminance Spectrophotometer

How to Measure CRI and Illuminance with the 500 Series Spectrophotometer

The CL-500A Illuminance Spectrophotometer is our first hand held version of this instrument and is capable of measuring CRI and illuminance right on the unit. It’s completely stand-alone and turn-key. Simply turn it on, and start measuring. The CL-500A can …