LED Panel Lights
Low-profile LED panels for T-grid ceilings in 1×4, 2×2, and 2×4 sizes—uniform ambient coverage with selectable options to tune brightness and color by zone.
Commercial LED flat panels for uniform illumination in suspended grid ceilings
LED flat panels are the standard for modern commercial interiors, providing the uniform, shadow-free illuminance required for high-productivity environments. Engineered for standard T-grid drop ceilings, these slim, low-profile fixtures are designed to replace traditional fluorescent troffers in offices, classrooms, and clinical healthcare spaces.
Read more about LED Panel Lights
Selectable performance and dimming compatibility
Our collection features Field-Selectable Wattage and CCT technology, allowing for on-site adjustments to lumen output and color temperature (3500K to 5000K). By combining flicker-free 0-10V dimming with high-transmission optical lenses, these panels support visual comfort and energy-code requirements while maintaining a clean, architectural ceiling plane.
Common applications and ceiling system references
Answer summary: LED flat panels are specified by panel size, delivered lumens, glare control (UGR), mounting method, and dimming compatibility—not fixture thickness alone.
Ceiling system context and specification references
Comparing LED Panels to Other Commercial Ceiling Lighting Systems LED Panel Performance in Suspended Ceiling Applications Preventing Dimming and Control Issues in LED Panel Installations
Flat panel spec workflow: optical type, mounting method, glare targets, and control checks
Use this guide to select panel architecture (back-lit vs. edge-lit), confirm mounting method and plenum constraints, validate glare/visual-comfort requirements for screen-heavy spaces, and verify 0–10V dimming compatibility before commissioning. The sections below link directly to the practical selection checks.
Ceiling lighting specification guidance
Panel lighting performance depends on more than fixture thickness or lumen output. Panel size, spacing, glare control, mounting method, and dimming integration all influence visual comfort and energy performance in commercial interiors. For broader guidance covering panels, troffers, recessed, and linear ceiling systems, reference our commercial ceiling lighting buying guide.
Specification note: Common panel lighting failures include over-lighting at seated workstations, visible glare on screens, and premature driver issues caused by incompatible dimming controls.
Technical selection guide for LED flat panels
Choosing the right panel involves more than selecting a size. Panel architecture affects distribution, uniformity, serviceability, and how the luminous surface is perceived in the space. Use the table of contents to jump to the decision points.
Back-lit vs. edge-lit technology
Back-lit panels place LEDs behind the diffuser, typically improving efficiency and supporting consistent long-term appearance in high-use interiors. Edge-lit panels place LEDs along the frame and use a light-guide plate to distribute light across an ultra-slim form factor.
Selection rule: Back-lit panels prioritize efficiency and serviceability, while edge-lit panels prioritize ultra-slim profiles when plenum depth or clearance is restricted.
Selection shortcut: Use the matrix below to choose back-lit vs edge-lit based on plenum constraints, efficiency, and service access.
| Decision factor | Back-lit panel | Edge-lit panel | Spec check |
|---|---|---|---|
| Plenum depth / clearance is restricted | May be limited by depth on some housings | Best fit for ultra-slim depth constraints | Confirm fixture depth, driver location, and clearance above grid/ceiling. |
| Efficiency priority (lm/W) and long-duty-cycle interiors | Often stronger efficiency and thermal management | Can be competitive; varies by build quality | Compare lumen package, efficacy, and ambient temperature rating. |
| Serviceability / driver access | Typically easier access depending on design | Can be more constrained in ultra-slim frames | Verify how drivers are accessed (from below vs plenum) and replacement method. |
| Uniform luminous face / ceiling appearance | Very uniform with quality diffusion | Very uniform with light-guide plate designs | Confirm diffuser type and any visible “banding” risk from low-cost light guides. |
| Visual comfort goals (screen-heavy spaces) | Depends on optic; choose comfort lens options | Depends on optic; choose comfort lens options | Specify lens type (micro-prismatic/enhanced diffusion) and avoid over-lighting. |
| Project risk tolerance (value vs premium builds) | Often more forgiving for long-term performance | Ultra-slim builds vary widely by manufacturer | Confirm warranty, driver family consistency, and submittal documentation. |
Mounting methods and ceiling constraints
Most flat panels are specified for standard 15/16" T-grid recessed installations, but many projects require alternative mounting. Confirm the ceiling type, plenum depth, and access limitations before selection.
- Recessed (T-grid): Standard drop-in method for acoustic tile grids.
- Surface mount: Frame-kit mounting for sheetrock, concrete, or non-grid ceilings.
- Suspended: Cable-hung mounting for open ceilings or task-zone emphasis.
Mounting reference: Use the table below to confirm the correct mounting method and the ceiling constraints that affect fit and access.
| Mounting method | Best for | Common constraints | Spec checks |
|---|---|---|---|
| Recessed (T-grid) | Standard 15/16" suspended ceilings (most offices/classrooms) | Grid opening accuracy; obstructions (sprinklers/HVAC); plenum access | Confirm grid size (1×4/2×2/2×4), depth/driver clearance, and any seismic needs. |
| Surface mount (frame kit) | Sheetrock, concrete, hard ceilings with no grid | J-box placement; mounting plane flatness; access for driver service | Specify correct surface kit; confirm feed location and service access method. |
| Suspended (cable hung) | Open ceilings, high ceilings, task-zone emphasis | Cable length/leveling; sway control; aesthetics; wiring routing | Confirm suspension kit compatibility, cable lengths, and code-compliant wiring pathway. |
| Retrofit / replacement in existing grids | Fluorescent upgrades where ceiling conditions vary | Existing grid wear; inconsistent tile sizes; legacy controls | Confirm fit and trim; validate dimming protocol and driver/control compatibility. |
Visual comfort and UGR considerations
In offices, classrooms, and clinical spaces, perceived brightness at the panel surface can cause screen glare and fatigue. Prioritize optics designed for visual comfort (often micro-prismatic or enhanced diffusion) and validate panel spacing for uniformity without “bright ceiling” complaints.
Comfort check: Use the checklist below to reduce screen glare and “bright ceiling” complaints through optics, output, and spacing choices.
| Comfort risk | What causes it | What to specify | Quick field/commissioning fix |
|---|---|---|---|
| Screen glare / reflections | High luminance at common viewing angles; poor zoning; over-lighting | Comfort optics (micro-prismatic or enhanced diffusion); appropriate lumen package; perimeter/interior zoning | Trim output via selectable wattage; apply scene levels for screen-heavy hours. |
| “Bright ceiling” complaints | Too many lumens for ceiling height/reflectances; tight spacing | Lower output packages; spacing review; comfort lens option | Reduce wattage setting; set high-end trim on controls where available. |
| Uneven ceiling appearance | Mixed lumen packages/CCTs; inconsistent zoning; layout mismatch | Standardize lumen package and CCT per zone; avoid mixing fixture families | Normalize switch settings; verify zoning and circuiting consistency. |
| Visual fatigue over long shifts | Harsh contrasts; excessive brightness; unstable dimming | Comfort optic selection; daylight/occupancy integration; stable dimming drivers | Set minimum dim level above driver dropout; tune scenes to reduce contrast. |
| Clinical comfort concerns | Inconsistent CCT/appearance; glare in patient/staff areas | Define CCT policy (by zone); specify low-glare optics; verify dimming behavior | Standardize CCT settings during commissioning; document as-builts. |
Dimming and controls integration
Most commercial flat panels use 0–10V dimming. Verify driver compatibility with the intended control strategy (wall dimmer, occupancy/daylight controls, automation system) and confirm low-voltage wiring practices. If flicker or limited dimming range occurs, troubleshoot wiring polarity, interference, and mixed-driver zoning before replacing fixtures.
Controls check: Use the checklist below to verify 0–10V compatibility and wiring practices before commissioning.
| Check | What to verify | Common symptom if missed | Spec / field fix |
|---|---|---|---|
| Driver dimming protocol | Driver explicitly supports 0–10V (not line-dim only) and matches control strategy | No dimming response, limited range, or inconsistent behavior | Confirm driver option on submittals; standardize dimming protocol project-wide. |
| Low-voltage polarity | 0–10V (+/–) polarity correct end-to-end where applicable | Erratic dimming, reversed response, or no response | Verify wiring diagrams; enforce consistent contractor wiring practices. |
| Control wiring separation | Keep 0–10V runs separated from line voltage; minimize interference exposure | Flicker, shimmer, or “noisy” dimming curve | Reroute low-voltage wiring; avoid shared conduits when possible. |
| Driver family consistency | Avoid mixing driver families in the same dimming zone | Uneven dimming levels between fixtures; mismatch at low end | Standardize driver families per zone; document in submittals. |
| Low-end stability / minimum dim | Confirm stable low-end behavior and set minimum dim level appropriately | Dropout, pop-on/off, unstable dimming at low levels | Set minimum dim above dropout; avoid pushing below stable driver range. |
| Zoning strategy | Zone by daylight exposure and task needs (perimeter vs interior) | Over-dimming some areas, inconsistent user experience | Separate zones; validate controller capacity and wiring topology. |
Troubleshooting note: If the install is complete and complaints begin post-commissioning, use the symptom-to-fix table below before swapping fixtures.
Field-proven fixes: The table below maps common panel install complaints to likely causes and the fastest spec/commissioning corrections.
| Complaint / symptom | Typical root cause | Spec fix (design) | Field fix (commissioning) |
|---|---|---|---|
| “Too bright” / harsh ceiling | Over-lighting (excess lumens), tight spacing, high perceived luminance | Select lower lumen package; specify comfort optics; re-check spacing | Reduce wattage setting; apply high-end trim where available. |
| Glare at desks / screen reflections | High luminance at viewing angles; poor zoning; panel optic not comfort-oriented | Specify micro-prismatic/enhanced diffusion optics; refine zoning/layout | Trim output; tune scenes; verify workstation orientation and perimeter zoning. |
| Flicker or unstable dimming | 0–10V wiring issues, interference, mixed drivers, low-end instability | Standardize compatible drivers/controls; include wiring best practices in scope | Verify polarity/routing; isolate noisy runs; set minimum dim above dropout. |
| Uneven ceiling brightness / “patchy” look | Mixed outputs/CCTs; inconsistent switch settings; layout mismatch | Normalize lumen packages; avoid mixing fixture families in a zone | Set consistent wattage/CCT positions; verify zoning and circuiting. |
| Color looks inconsistent across the room | Different CCT settings; mixed bins/families; reflectances amplify differences | Define CCT policy by zone; standardize fixture family and driver option | Standardize CCT switch positions; record as-built settings in closeout docs. |
| Premature driver issues | Incompatible controls, excessive heat, poor access leading to mishandling | Verify driver ratings and compatibility; confirm installation method and access | Confirm control settings; improve wiring practices; document service procedure. |
Commercial Project Support
Need documentation, lead-time visibility, or closeout-ready deliverables? Use the resources below to route your project correctly and reduce revision cycles.
- Commercial Project Support (Hub)
- Quote Intake & Project Routing
- Photometrics
- Submittals
- Shipping Reliability & Fulfillment
- Closeout Documentation
- Returns & Restocking
- Warranty Claims
- Frequently Asked Questions
FAQs
Should I choose a back-lit or edge-lit LED flat panel?
Choose back-lit when you want strong efficiency and straightforward serviceability for high-use commercial interiors. Choose edge-lit when you need an ultra-slim fixture to accommodate restricted plenum depth or clearance constraints.
What panel sizes are most common for commercial grids?
The most common grid sizes are 1x4, 2x2, and 2x4. Confirm the ceiling opening and any depth or access constraints before selecting an edge-lit ultra-slim option.
How do I reduce glare from LED flat panels in offices and classrooms?
Prioritize optics designed for visual comfort (often micro-prismatic or enhanced diffusion), avoid over-lighting, and validate spacing so the ceiling plane is uniform without bright “hot” panels. Glare is frequently a layout and output issue, not just a fixture issue.
What should I confirm for 0–10V dimming compatibility?
Confirm the driver supports 0–10V, match it to the control device, and avoid mixing driver families within the same zone. If flicker occurs, check wiring polarity, interference, and control settings before replacing fixtures.
When should I specify field-selectable wattage and CCT?
Use selectable configurations to reduce SKU count and keep commissioning flexibility—especially when ceiling heights, reflectances, or target light levels can change late in the project.
Expert reviewed for commercial specification
Brandon Waldrop
Lead Commercial Lighting Specialist • Documentation + Layout Support
The LED Panel Lights collection is reviewed for grid-ceiling uniformity, glare-controlled comfort in screen-heavy interiors, and controls-ready commissioning so offices, classrooms, and healthcare spaces stay consistent, compliant, and easy to maintain.
Collection review focus:
Verified for panel optic intent matched to seated viewing angles (comfort lenses/micro-prismatic diffusion vs standard diffusion) so glare and screen reflections are controlled instead of “bright ceiling” fatigue; verified for spacing-to-height discipline in real grid layouts (open offices, corridors, intersections, and perimeter/daylight zones) so the ceiling plane stays smooth without banding, hot panels, or dim pockets that show up after occupancy; verified for lumen right-sizing at the task plane (not just “how bright the ceiling looks”) so targets are met without over-lighting and complaint-driven dimming; verified for architecture fit (back-lit vs edge-lit) against plenum constraints and access expectations so ultra-slim installs don’t trade away reliability or serviceability; verified for commissioning discipline on selectable panels (documenting final wattage/CCT by room and sightline) to prevent patchwork brightness and mixed-tone ceilings after phased installs or maintenance swaps; verified for 0–10V controls readiness (driver protocol alignment, driver-family consistency within zones, low-end stability, and wiring interference exposure) to avoid flicker, dropout, and uneven dim curves across fixtures; verified for zoning logic that supports how spaces operate (perimeter vs interior separation, screen-heavy vs general areas, corridor baseline levels) so controls save energy without creating perceived darkness or inconsistent zone response; verified for application-fit consistency across sensitive environments (classrooms and healthcare zones where comfort, clarity, and predictable appearance matter) so the same ceiling reads uniform from room to room rather than “close enough” by fixture count alone; verified for serviceability posture (access expectations in grid ceilings, mounting method, and standardized configurations) so replacements don’t create visible mismatches or repeated troubleshooting cycles.
Team-backed support: Quotes, photometrics, submittals, shipping visibility, and closeout documentation are supported through Commercial Project Support . Call 800-357-6860.
Commercial Ceiling & Office Engineering Resources
