Desktop lamps and lamp stands are a kind of non-regulated e-waste. Meaning that although they are electrical, they do NOT belong in the 3-in-1 e-waste bins.
Lamp Stand & Fixtures
Non-regulated ewaste, E-waste, Desk lamp, Desktop lamp, Unregulated, Led panel
Blue Bins & Chutes
These are non-regulated e-waste. Do not put in Alba e-Waste bins.
IF the lamp is small enough to fit in a 450mm x 150mm slot, you can put it in a non-regulated e-waste bin.
Note that light bulbs are recyclable as e-waste but lamp stands are not.
Metalo Non-regulated e-waste bins
KGS Non-Regulated e-Waste Bins
Because such lamps are often too big to fit in the bins above, you should consider the recycling alternatives linked below.
Tzu Chi Sustainability Day
Cash for Trash
Lamps are the kind of low-tech item that are usually quite easy to repair.
Fix it yourself, bring it to a repair shop, or get coached on fixing it at Repair Kopitiam.