Built for the ceiling opening
As a custom ceiling lights manufacturer, VST sizes the frame, trim and diffuser to your aperture and plans access to the driver. Send an opening photo or rough dimensions; you will receive a proposed construction and the details needed for the first sample.
Send an opening photo, approximate aperture or existing panel. Full drawings can follow once the route is clear.
Custom ceiling lights depend on panel size, support and finished appearance together. As a custom ceiling lights supplier, VST provides the selected light assembly and defines its connection to the host ceiling, access hatch and site electrical work.
Purchasing risk: The frame may sit proud or lack secure bearing.
Confirm: Usable opening and support shoulder
VST solution direction: We use the actual ceiling section to define the occupied frame envelope.
Purchasing risk: A failed driver could require opening the finished ceiling.
Confirm: Driver location and access hatch
VST solution direction: The cable and driver route is established with a serviceable installation path.
Purchasing risk: An edge or source pattern can become visible after installation.
Confirm: Viewing distance and target appearance
VST solution direction: The diffuser and mixing depth are selected against the finished view.
At our custom ceiling lights factory, the first capability decision is whether an existing panel platform can be cut or trimmed, or whether the opening needs a new frame or optical stack. A new construction is developed when the existing route cannot meet the installation and appearance constraints.
Outline, visible trim and fixing edge can follow the recess or grid. An available frame is preferred; a new section is considered when the support geometry cannot be met.
Buyer input: Opening photo or section
VST can change diffuser opacity, LED spacing and mixing depth for the intended viewing distance. All three affect uniformity.
Buyer input: Viewing position and appearance target
Driver position, protected feed and control interface can be coordinated with the ceiling service route. The electrical set is defined for the chosen panel, not assumed from a generic rating.
Buyer input: Available supply and dimming method
Frame finish, protective handling and marking can be specified for a multi-room project. These choices do not imply that a ceiling grid or site bracket is supplied unless listed.
Buyer input: Visible finish and delivery grouping
Choose the optical stack from the available ceiling depth and the appearance required at normal viewing distance. An edge-lit guide and a back-lit board place the light source in different positions.
| Decision factor | Edge-Lit Acrylic Panel | Back-Lit Diffuser Assembly | Buyer guidance |
|---|---|---|---|
| Available depth | Slim optical stack with side injection | Rear source needs mixing space | Use the measured cavity depth to eliminate a route early. |
| Source arrangement | Enclosed LEDs couple into a PMMA guide | Proportionate rear LED board illuminates the diffuser | Choose a construction whose source position fits the recess. |
| Uniformity sensitivity | Guide pattern, span and edge treatment matter | Source spacing and mixing distance matter | Ask for a sample at the intended size and normal viewing distance. |
| Service access | Protect guide edges and keep layers seated | Retain rear access to the light engine | Place the service opening before finalizing the trim. |
| Main trade-off | Thin build increases guide design sensitivity | Depth may increase to hide source points | Compare the real ceiling section, not a generic claim of better light. |
As a custom ceiling lights manufacturer, VST begins with the opening and produces a frame section, cable route and optical sample. The final drawing and parts list identify the panel build for later production.
VST work: Map support edges and occupied depth from the ceiling sample.
Stage output: A frame and clearance sketch for the installation.
VST work: Set diffuser, light engine and driver positions around that geometry.
Stage output: A buildable layer arrangement with access points.
VST work: Assemble and inspect the panel at the intended scale.
Stage output: A sample for fit and appearance evaluation.
VST work: Record the selected frame, light engine, cable and packing version.
Stage output: A drawing and parts list for the selected panel.
As a custom ceiling lights supplier, VST sets optical, thermal and fit checks for the chosen panel size. You can specify which results need to be recorded for the sample and how the frame should sit in the ceiling opening.
Purpose: Determine luminous and color characteristics of the selected build.
Method: Mount the unlit sample inside the open sphere, route the feed through a proper port, close the door, then measure.
Acceptance criteria: Compare the recorded result with the agreed optical target.
Evidence: An optical measurement sheet can be supplied if this check is commissioned on the released panel.
Purpose: Find visible source points or uneven regions at the normal view.
Method: Operate the assembled sample in a controlled viewing area at the intended distance.
Acceptance criteria: Accept the specified appearance for that viewing condition.
Evidence: A viewing-distance photo record may accompany the accepted panel sample.
Purpose: Check hot spots near the light engine and rear cable area.
Method: Operate the panel on a supported fixture and log defined surface points after stabilization.
Acceptance criteria: Compare temperatures with the agreed materials and component limits.
Evidence: A temperature-point log can be issued for the specified panel mounting and duty.
Purpose: Ensure the panel bears correctly on the ceiling support.
Method: Use the opening fixture and verify outside edge, seating and access position.
Acceptance criteria: Frame sits on the planned support with the intended clearance.
Evidence: An accepted opening fixture and fit record can document the seating result.
Purpose: Understand angular light output when the project requires photometric planning.
Method: Mount the finished panel on a suitable goniophotometer holder in a dark room.
Acceptance criteria: Provide an IES file or report only for a test actually performed on the released configuration.
Evidence: An IES file or distribution report follows only an actual test on the released configuration.
The drawing names the selected frame and driver. Records are supplied for tests included in the order.
Identifies the frame, mounting edge, cable exit and version.
Records the checks carried out on the agreed build.
Lists supplied parts and handling details for the shipment.
For one model, light adaptation of an existing ceiling panel typically starts at 500 units. A new frame or optical construction usually calls for 1,000 units of the same model as the starting quantity. The quote states the route and final quantity for the chosen opening.
A ceiling sample can settle seating, edge finish and light appearance. Processing charges apply; a dedicated frame or fixture may add tooling cost. The quotation can arrange a later refund or credit for eligible sample expenditure under written project terms.
For light changes, the sample normally needs 15–25 working days; a production batch generally needs 20–30. A new frame or optical build usually takes 30–50 working days to sample and 25–35 for bulk production. These periods start after the design inputs and applicable fees or deposit are complete.
A new extrusion, diffuser mold or mounting fixture may need tooling. An eligible tooling charge can be credited against payment for a later order when the qualifying quantity, amount and method are written into the commercial terms.
The released panel specification lists the frame, light engine, diffuser and driver. For stable demand, VST may prepare or reserve agreed key materials to schedule repeat runs more reliably. Finished panels are still produced against the order.
The frame and diffuser need edge and face protection in transit. For a panel order, VST can prepare protective inserts, sized cartons, barcodes, labels, brand artwork, instruction sheets and manuals. Freight and packing quantities follow the chosen size and shipment.
If your ceiling opening is still changing, a current photo and the intended light appearance are enough to begin. The support edge, driver location and access hatch will determine the finished construction. You can also decide which optical or electrical checks need records for the sample. Those choices establish what belongs in the first quote and what can remain open.
Yes. An opening photo, provisional size and ceiling type allow an initial construction route. The production drawing is set after the support edge and access position are established.
The quotation lists the panel assembly and any agreed driver, bracket or cable set. The host ceiling, grid and site wiring are separate unless they are explicitly included.
| Item | Decision before order |
|---|---|
| Panel frame | Outside size and bearing edge |
| Driver | Supply, control and service position |
| Ceiling support | Provided by the project or listed accessory |
Only when the actual apertures, support shoulders and driver access are compatible. A common light engine may still use different frame lengths; the variant schedule separates those parts.
The chosen frame must allow the rigid diffuser to be removed in the intended service sequence. The released assembly record identifies the matching diffuser and access method.
The frame revision, light engine, diffuser, driver interface and visible finish should be tied to the sample reference. A change in any of those items is recorded as a new variant.
