When people say “light therapy”, it can mean two quite different things. The classic light therapy lamp for winter fatigue uses powerful white light that affects the brain’s circadian rhythm via the eyes. Red and infrared light therapy, on the other hand, works primarily through the skin and is often used for recovery, pain relief, and skincare.

That is why it makes good sense to choose the form factor based on your goal: Do you want more energy in the morning, or do you want to give a knee, a shoulder, or your whole body calm and support after activity?

Three solutions, three quite different “jobs”

It can be tempting to compare a blanket, pad, and panel as if they are simply different sizes of the same thing. In practice, there are two main categories:

• Panel/lamp type: typically white, strong light measured in lux, designed for the eyes and circadian rhythm.
• Blanket/pad for red and infrared light therapy: measured in irradiance (often stated as mW/cm²), designed for skin and tissue.

That difference matters, because lux and mW/cm² cannot be directly equated. A panel can be extremely “bright” (high lux) without being designed to deliver the type of dose typically used for red and infrared light therapy on the body.

Panel: when the goal is circadian rhythm, winter fatigue, and morning energy

A panel (light therapy lamp/light box) is usually a rigid unit on a table or stand. It is used at a specific distance, often 15 to 30 cm, and many models aim for around 10,000 lux at the recommended distance. Typically, you sit in front of the lamp for 20 to 30 minutes, often early in the day.

The key with panel light therapy is that the light reaches the eyes (without staring directly into the lamp). That is how the body receives a clear “it’s morning” signal, which can help with seasonal low mood and with a circadian rhythm that has shifted late.

Practically speaking, panels are powerful and effective per minute, but they require you to sit relatively still and to have a fixed place at home or in the office where the lamp can stand.

After a section like this, it makes sense to spell out when a panel is typically a good choice:

• Winter fatigue and low morning mood
• A circadian rhythm that has shifted late
• Early morning shifts or jet lag-like rhythm issues
• Routines where you are already sitting at a table in the morning

Pad: the flexible solution for targeted areas

A light therapy pad is usually a smaller, flexible LED surface that you can place directly on an area. It can be soft and pliable, so it can rest on the shoulder, knee, lower back, or hip. Some pads have straps so they can stay in place while you relax.

Pads are often used for red and infrared light therapy, where the purpose is typically local support for sore muscles, joints, tendons, or skin. The key is that the light reaches the skin close to the area you want to work on. This makes pads practical when the issue is limited, or when you want to be able to move the equipment around the home.

A pad can also be a good “first investment”, because it gives you a clear taste of the routine without having to start with full-body coverage.

Blanket: comfort and broad coverage when you want to work with the whole body

A light therapy blanket (or a large light mat) is designed for large-area coverage. It is typically a large, flexible unit that you can lie on or place over the body. The advantage is simple: you get light on many areas at once, without constantly having to move the equipment.

Many people use a blanket/mat for a quiet moment after training or at the end of the day, when they are lying down anyway. It is also relevant if you have several areas that bother you, or if you want a more “full-body” oriented routine for recovery and wellbeing.

However, a large surface can take up more space and cost more, and you need somewhere it can lie flat during use.

Quick overview: blanket vs. pad vs. panel

The table here summarises the key differences, so you can sort through the options without drowning in specifications.

What should you choose based on your needs?

The choice becomes easier if you start by clarifying whether you are looking for “eye light therapy” (panel) or “skin light therapy” (pad/blanket). Mixed expectations are the most common reason for disappointment.

Here is a simple way to think about it: If your goal is mood and circadian rhythm, look for a panel with high lux and UV filtering. If your goal is pain, recovery, or skin, look for red and infrared light therapy with a good contact surface and a user-friendly timer.

A practical mini checklist could look like this:

• Your goal: circadian rhythm or tissue/skin
• Your area: a small spot or many areas
• Your daily routine: sitting still in the morning or relaxing while lying down
• Your patience: short and intense or longer and more comfortable

The technical side without making it heavy: lux, wavelengths, and distance

Panels are almost always described in lux. Lux is about how bright the light appears to the eye. This fits circadian rhythm, because the signal goes via the retina.

Red and infrared light therapy is typically described by wavelengths (often in nanometres) and a form of power at the skin. Distance matters a great deal here: the closer you are to the light source, the more light generally reaches the skin. That is also why pads and blankets are often used in contact with, or very close to, the body.

If you look at specifications, these terms can help you sort things out:

• Wavelengths: red is typically around 630 to 660 nm, infrared often around 800 to 850 nm
• Irradiance: indicates how much light energy reaches an area of skin per second
• Timer and levels: make it easier to use the same dose again and again

Comfort and adherence: the best solution is the one you actually use

Real-world results are closely linked to consistency. A panel can be very effective, but if you never manage to sit in front of it in the morning, it will not help much. A blanket can be less “effective per minute”, but if it fits into your evening routine, it may be used far more often.

Pads sit in between: they can be easy to take out, but you may also get tired of moving them around if you have many areas.

Here are three typical scenarios that often point in a direction:

• If you have an office desk or breakfast table you sit at anyway: panel
• If you have a recurring knee, elbow, shoulder, or lower back issue: pad
• If you have general soreness, recovery after sport, or multiple problem areas: blanket/mat

Safety and considerations worth taking seriously

For many, light therapy is a gentle method, but there are situations where you should be more cautious.

With panel light therapy, the eyes are central. If you have a known eye condition or take medication that makes you light-sensitive, it is wise to speak with your doctor or an ophthalmologist before using powerful white light regularly. People with bipolar disorder should also be cautious about timing and dosage of strong light, as incorrect use can affect mood.

With red and infrared light therapy, it is often about the skin’s response. Start gently, monitor any sensation of warmth, and use the recommended times. If you have an active skin condition, are pregnant, or use photosensitising medication, professional medical advice can also provide reassurance.

After a section like this, a short, concrete list can be useful—especially when it is easy to skim:

• Eye conditions: get a professional assessment before strong panel light therapy
• Photosensitising medication: check the patient information leaflet or ask your doctor/pharmacy
• Bipolar disorder: use strong light only by agreement and with a plan for timing
• Very sensitive skin: start with shorter sessions and lower intensity

Practical starter protocols that fit into everyday life

A good start is about making it easy. Choose a time that repeats, and avoid doing too much on day 1.

Panel (white light): Many people use 20 to 30 minutes in the morning at the distance specified by the manufacturer for 10,000 lux. Ideally, sit with the light slightly to the side in your field of view while you eat breakfast or read emails, so you are not tempted to look directly into the lamp.

Pad (red/infrared): Start with 10 minutes on a defined area. Give it a few days before you evaluate. If you have several areas, rotate them rather than trying to do everything at once.

Blanket/mat (red/infrared): Start with 10 to 15 minutes, focusing on comfort and a consistent routine. Many prefer it after activity or as a calm part of the evening.

When looking for equipment, it is also sensible to choose CE-approved products, clear user instructions, and features such as a timer and adjustable levels. This makes it easier to be consistent, whether you end up with a panel, pad, or blanket.