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OUR STORY · LIGHT, MADE HUMAN

From a tiny glow to light that fits your life.

A short, simple guide to how LEDs began, how strip lights work, and how we bring a thoughtful glow into wood.

Follow the light
LakDlights LED strip arranged in a warm glowing coil
Flexible light, made for real spaces
Warm LED light integrated into a wooden linear lamp
Warm wood. Carefully placed light.

01 · THE PATH TO LED

Light has a long story.

People did not invent light itself; we learned to make useful light in more and more practical ways.

01

Before electricity

Light by flame

Fire, oil lamps, candles, and later gas lamps helped people see after sunset.
02

1800s

Practical electric lamps

Many inventors improved electric lamps. Edison and Swan helped make the heated-filament incandescent lamp more practical.
03

1907

A curious glow

H. J. Round described light from an electrically powered silicon-carbide crystal—the early clue behind LEDs.
04

1962

A visible red LED

Nick Holonyak Jr. demonstrated the first practical visible red LED. Early LEDs were mostly tiny indicator lights.
05

1990s

Blue opens the door

Efficient blue LEDs made bright white LED lighting practical, including blue light paired with phosphor.

A major turning point came when Isamu Akasaki, Hiroshi Amano, and Shuji Nakamura developed efficient blue LEDs. Their work earned the 2014 Nobel Prize in Physics and helped make bright, efficient white LEDs possible.

02 · THE SMALL SCIENCE

How does an LED make light?

LED means light-emitting diode. Inside it, electricity moves tiny particles called electrons and “holes” through a semiconductor. When they meet, some of their energy leaves as light.

The semiconductor’s recipe sets the light’s basic colour. A blue chip and a phosphor layer can make white; separate red, green, and blue LEDs can also mix into white or colour.

How an LED makes lightCurrent brings electrons and holes together in a semiconductor junction. Their recombination releases photons as light.N-type layerP-type layerJunction−−++electrical energy → photons (light)

03 · FLEXIBLE LIGHT

What is inside an LED strip?

It is a small lighting system on a bendable circuit—not just a row of bulbs.

Layers of a flexible LED stripLED chips and current-control parts sit on copper traces on a flexible circuit board, with adhesive backing underneath.LED chipsflexible circuit + copper pathscurrent controladhesive backing helps it mount to a clean, suitable surface

LED chipsCreate the light.

Circuit and copper pathsCarry power along the strip.

Current controlHelps each section operate as designed.

Cut marks and adhesiveMake sizing and fitting easier when used as directed.

Power supplyMatches the strip’s voltage and total power requirement.

01

One fixed colour

Single-colour

A simple choice for a steady warm, neutral, cool, or coloured glow.

02

One or two white tones

White / CCT

Tunable-white strips blend warm and cool white LEDs to change the mood.

03

Colour mixing

RGB / RGBW

Red, green, and blue LEDs mix into many colours. RGBW adds a separate white LED.

04

Chip layout

SMD / COB

SMD chips are visible packages. COB packs many small chips close together for a smoother line.

These names describe different features and can overlap: a COB strip, for example, can be warm white or tunable white. Always cut only at the printed cut marks and use a correctly matched power supply.

04 · A SMOOTHER LINE

What makes COB light different?

COB means chip on board. Many tiny LED chips sit close together beneath a continuous phosphor-coated silicone layer, so the light looks more like one smooth line.

During manufacture, liquid silicone carrying phosphor is applied over the blue chips and cured into a smooth layer. The phosphor—not the silicone by itself—absorbs some blue light and re-emits longer-wavelength light. That light blends with the blue that remains to create white. The phosphor mix helps shape the final tone and colour quality.

How a phosphor-coated COB strip makes white lightClosely spaced blue LED chips shine through a phosphor-loaded silicone layer. Some blue light is converted to longer wavelengths, and the mixed light appears white.phosphor in siliconeclosely spaced blue chipssome blue becomes longer-wave lightthe blend looks white

05 · CHOOSING WELL

How can you judge LED quality?

LED count is only one clue. Look at the complete strip, power supply, and installation.

BrightnessCompare measured lumens for the same length.
EfficiencyMore lumens per watt means more light from each watt.
Colour accuracyCRI helps explain how naturally colours look under the light.
ConsistencyLook for even colour and brightness along the whole run.
Heat and powerGood thermal design and a correctly matched driver help a strip last.
Protection and proofCheck the IP rating, genuine safety marks, warranty, and clear specifications.

Colour temperature (Kelvin) describes whether white looks warmer or cooler; it does not, on its own, tell you how bright or high-quality a strip is.

Wood pieces and materials stored in the LakDlights workshop
A closer look at the materials behind each wooden light.
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06 · LIGHT, WITH A NATURAL FRAME

Wood brings the glow home.

Wood does not emit light. It gives a linear light a warm, natural form. A carefully placed LED strip and diffuser can spread an even glow along a shelf, desk, or wall while using less energy than an older incandescent lamp for comparable light.

A well-designed wooden light also needs safe wiring, suitable components, and room to manage heat. The wood frames the light; the LEDs and driver do the work.

Made with tomorrow in mind.Every wood product from LakDlights helps plant seeds, which we aim to nurture for as long as possible.

Explore LED strips Explore wood lights

Want to read further?Smithsonian: Swan, Edison, and practical electric lamps · Illinois ECE: the first visible LED · Department of Energy: LED basics · Nobel Prize: blue LEDs and white light · ENERGY STAR: LED efficiency and heat · Computer History Museum: the early LED story