LED Panels

LED panel lights for drop ceilings in 2x2, 2x4, and 1x4 sizes, with wattage and CCT selectable models shipping free on every order. The guidance below the products covers office layout math, back-lit vs edge-lit tradeoffs, and when a troffer is the better fit.

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LED Panel Light Planning Guide

Troffer Lights or Panel Lights?

Troffer is the electrician's word for the recessed grid fixture, and on most jobs troffer lights and panel lights describe the same opening in the ceiling. Strictly, a troffer is the deeper lensed or volumetric housing that descends from the fluorescent era, while an led light panel is its slim, fully flat successor. When you are matching existing volumetric fixtures in a partial retrofit, shop LED Troffers; for retrofit doors and frame-in kits that keep the existing housings, see LED T-Bar and Frame Lights.

Selectable Switches, Dimming, and Emergency Backup

Most current LED panel lights are wattage-selectable and CCT-selectable: small switches on the driver housing set the output level and the color temperature (3500K, 4000K, or 5000K) at install time. The point is inventory, one fixture covers many specs, and a contractor can standardize on a single SKU across a building. 0-10V dimming is standard on commercial models, and battery options from Emergency Battery Packs keep designated fixtures alive on egress paths. No grid ceiling? Surface kits in Surface Mount Panel Lights put the same flat form on drywall. Product pages show live stock status by size, and in-stock fixtures ship within 24 hours with free shipping, which matters when a ceiling crew is scheduled for Monday. The full recessed family is under Recessed Lights.

LED Panel Light Sizing for Drop Ceilings

Every collection page ranking for panel lighting assumes you already know which size and how many. That is the actual decision on a drop-ceiling job, so it goes first.

SizeGrid FitTypical Selectable WattageWhere It Belongs
2x2 led panelStandard 2 foot grid module20 to 40WPrivate offices, corridors, small conference rooms
2x4 led panelFull tile in a 2 by 4 grid30 to 50WOpen offices, classrooms, retail back-of-house
1x4 led panelHalf tile, narrow module20 to 40WGalley spaces, narrow corridors, ceiling borders

Layout math for offices: target about 40 footcandles at desk height. A back-lit 2x4 delivering around 5,000 lumens holds that level over roughly 80 to 100 square feet after normal room losses, so plan one 2x4 per 100 square feet, or one 2x2 per 50 to 60 square feet, and confirm with a photometric layout on anything larger than a suite.

Back-Lit vs Edge-Lit LED Flat Panel Light Designs

AttributeBack-LitEdge-Lit
How it worksLEDs aim straight down through a diffuserLEDs fire sideways into a light guide plate
EfficacyHigher lumens per watt, typicallySomewhat lower
Housing depthDeeper, usually 2 to 3 inchesVery thin, often under an inch
CostLower per unitHigher
AppearanceSoft, uniform faceThe flattest, most even glow

For high-volume commercial rollouts, back-lit is the default: better efficacy, lower cost, and the extra housing depth rarely matters in a standard plenum. Edge-lit earns its premium in shallow plenums and anywhere the ceiling is close to ductwork.

Frequently Asked Questions About LED Panel Lights

Back-lit panels aim their LEDs straight down through a diffuser; edge-lit panels fire LEDs sideways into a light guide plate that spreads the glow. Back-lit models typically deliver more lumens per watt at a lower price but need 2 to 3 inches of depth. Edge-lit panels are under an inch thick and produce the flattest appearance, which suits shallow plenums and design-driven ceilings.

Target roughly 40 footcandles at desk height. A back-lit 2x4 producing around 5,000 lumens covers about 80 to 100 square feet at that level after typical losses, so a 1,000 square foot open office plans on ten fixtures in a regular grid. Use 2x2 units at one per 50 to 60 square feet, and confirm larger layouts with a photometric run.

A switch on the driver housing lets the installer set the fixture to one of several wattage levels, for example 30, 40, or 50 watts, before powering it up. Higher settings produce more lumens; lower settings cut energy use. One SKU covers several specification levels, which simplifies ordering and lets a contractor stock a single fixture for a whole building.

CCT-selectable panels include a switch that sets color temperature, commonly 3500K, 4000K, or 5000K. Offices and classrooms usually standardize on 3500K or 4000K for a clean neutral white; 5000K suits task-heavy and industrial-leaning spaces. Set every fixture in a room to the same value before closing the ceiling; mixed settings are visible and read as a defect.

Commercial panels almost universally ship with 0-10V dimming drivers, which pair with wallbox 0-10V dimmers or a lighting control system to dim smoothly, typically down to 10 percent or lower. That is a separate low-voltage pair run to the fixture, not phase dimming on the line conductors, so plan the control wiring during rough-in on new work.

Yes. An emergency battery pack, either factory-installed or field-added, keeps a designated panel producing reduced output for the code-required 90 minutes after power loss. Facilities typically back up a subset of fixtures along egress paths rather than every panel. The battery spec sheet lists the emergency lumen output used to verify egress light levels.

The panels in this category are sized for T-bar grid ceilings, but surface mount frame kits adapt the same flat form to drywall and solid ceilings. If most of the job is hard ceiling, purpose-built surface mount panel fixtures are usually the cleaner answer; the kit route makes sense when a project mixes grid and drywall areas and wants one consistent look.