GOB vs SMD LED Modules: Price, Protection and Best Use

Quick answer

GOB (glue on board) is not a different LED: it is an SMD module with a clear resin layer cast over the LEDs, which protects them against knocks, dust, moisture and cleaning. Where EagerLED prices GOB as a separate option, it adds about 15–23%: for an EAiBall LED sphere, US$1,191 on a US$5,087 1 m ball and US$8,876 on a US$59,143 3 m ball. On fixed indoor walls, GOB comes with the fine pitches (about P1.25–P2), so a 9 × 3 m (29.5 × 9.8 ft) EA250WH5 wall costs about US$23,085 at P2.5 SMD and US$29,646 at P1.95 GOB. Choose GOB where people can touch, bump or clean the screen; plain SMD is fine for walls out of reach.

Sources used: EA500RF2 specs; EA1920iP5 specs; EA1920iP4 specs; EA-FD specs

For the sealed chip-on-board alternative, see COB vs SMD LED.

GOB vs SMD price

Reference ex-factory prices from the EagerLED Aug 2026 price list, in USD, for the standard configuration; final pricing is subject to a formal quotation. On fixed walls, the GOB versions are also finer pitch, so the difference covers more pixels as well as protection. The indoor LED screen price guide lists every pitch.

A 9 × 3 m wall: SMD and GOB

Nine EA250WH5 cabinets of 1000 × 500 mm across and six high make a 9 × 3 m wall of 27 m² (290.6 sq ft), weighing about 567 kg.

What GOB and SMD are

GOB is a surface-protection choice applied to SMD modules; GOB LED modules are listed as a module family. In the EA500RF2 floor display, a GOB resin layer and a sealed rear cover give IP54 at the front and IP43 at the rear, for indoor use.

When GOB is the better choice

Reception desks and counters. The EA-FD front desk LED display is documented for company lobbies, hotel receptions and service counters, where people lean on and touch the front, with front-access service. It costs US$2,211–US$2,658 per desk at P2.5, US$2,793–US$3,409 at P1.86 and US$3,312–US$4,070 at P1.53, for fronts 1.92–2.56 m wide and 0.96 m high.

Floors and stages. The EA500RF2 GOB floor display is a rental floor screen rated above 800 kg/m² on its support structure, at US$1,601–US$2,812 per m²; see rental LED stage floor.

Rental and touring walls. Rental cabinets at P2.6 and finer are mostly GOB because they are handled, stacked and cleaned constantly.

Low walls in public spaces. Lobbies, retail walls and museum displays that start near the floor are within reach of hands, bags and trolleys; GOB or COB protects them.

When plain SMD is fine

Choose SMD when the wall is out of reach, viewed from a distance and cleaned rarely, and when the supplier documents the exact module, pitch, service route and spares. Conference halls, auditoriums, church sanctuaries and high lobby walls are typical. SMD at P2.5 and coarser is cheaper per m² and allows individual LED repair.

The EA1920iP5 indoor foldable poster shows the option logic: P1.25–P2.5 in GOB and P1.25–P1.86 in flip-chip COB. It costs US$1,275 per set at P2.5 GOB and US$2,227 at P1.25 GOB; the COB versions cost US$1,424–US$2,313, between 0.7% and 9% more than GOB at the same pitch. The EA1920iP4 double-sided poster uses 320 × 160 mm SMD/GOB modules with COB options at P1.25, P1.53 and P1.86.

Which EagerLED products use GOB, and at which pitches

The pattern is clear: at fine pitch, the LEDs are small and closely packed and more easily knocked off, so GOB is standard; at P2.5 and coarser, plain SMD is usual for fixed walls. Indoor rental cabinets use GOB down to P2.6 because they are handled constantly.

What a knocked module costs without GOB

On a wall people can touch, the cost of not choosing GOB shows up as repairs. A spare EA250WH5 module costs US$20–US$97 depending on pitch, and an EA640H1 module US$29–US$81, before the technician’s visit and the re-calibration that follows; see the LED wall calibration cost guide. In a busy lobby or a rental fleet, a few damaged modules a year can cost more than the GOB premium. On a wall 3 m above the floor, the risk is low and plain SMD usually wins.

Ask the supplier about long-term behaviour of the protective layer as well: colour stability over years of operation, resistance to the cleaning products you plan to use, and what happens if the surface is scratched.

Image quality and camera

GOB’s resin layer can slightly change the look of the surface: it can reduce the visible LED texture and improve black uniformity, but a glossy finish can reflect room lights. Ask to see a GOB sample and an SMD sample side by side under your lighting, at your viewing distance, and on camera if the wall will be filmed. For pitch, see the pixel pitch and viewing distance guide.

Service and spares

Because the resin covers the LEDs, a failed GOB pixel is usually fixed by replacing the whole module rather than a single LED. Keep spare modules from the same production batch, store them as the supplier instructs, and agree the cleaning method that keeps the warranty valid. EA500RF2 modules lift from the display surface with a vacuum tool, and its 250 × 250 mm module is shared across all five pitches, which simplifies spares.

How to decide and what to request

Match the module to the application before comparing acronyms:

• touched, cleaned or near the floor: GOB (or COB);
• out of reach and coarser pitch: SMD;
• fine pitch for close viewing: GOB or COB, compared on samples;
• rental fleets handled every week: GOB down to P2.6, with batch-matched spare modules kept in every flight case.

Put the module decision in the quotation: model, module type, module size, pitch, brightness, refresh, protection rating, service route and spare modules on separate lines. For GOB, ask for written confirmation of indoor use, front and rear protection and the cleaning method, and compare offers with how to compare LED screen quotes. For a lobby wall that starts near the floor, ask for GOB or COB on the lower rows at least, and keep the same module type across the whole wall so colour and surface finish match from top to bottom.

Indoor scenarios

Frequently asked questions

What is the difference between GOB and SMD LED?

GOB is SMD with a clear resin layer over the LEDs. The LEDs are the same; GOB adds protection against knocks, dust, moisture and cleaning.

Does GOB cost more than SMD?

Yes. Where EagerLED prices GOB as an option, it adds about 15–23%, for example US$1,191 on a 1 m EAiBall sphere.

Is GOB better than COB?

They solve the same problem differently. COB bonds bare chips under a sealed surface and reaches finer pitches; GOB protects standard SMD modules. At the same pitch, COB posters cost 0.7–9% more than GOB.

Can GOB LED screens be cleaned?

Yes, with the method the supplier approves. The resin surface tolerates wiping much better than bare SMD LEDs.

Is GOB worth it for a church or auditorium wall?

Usually not if the wall is mounted high above the stage and out of reach. Choose GOB for the lower parts of a wall people walk past, or for fine-pitch walls where GOB is standard anyway.

Does GOB affect brightness?

The resin layer can change the surface finish and reflections slightly. Fixed fine-pitch GOB walls are listed at 600–700 cd/m², which is plenty indoors; compare samples under your lighting.

Can a GOB module be repaired?

Usually by replacing the whole module, because the resin covers the LEDs. Keep batch-matched spares.

Send your application, mounting height and viewing distance to request a quote.