To provide a liquid droplet discharge unit capable of detecting the exhaustion of the liquid in a liquid housing chamber beforehand, and a liquid droplet discharge device.
The liquid droplet discharge unit is equipped with a liquid housing part 100 having a plurality of liquid housing chambers 122 for housing liquids and a liquid droplet discharge head 200 for discharging the liquids supplied from the liquid housing chambers 122 to the outside. A plurality of the liquid housing chambers 122 are arranged along one side surface of the liquid housing part 100 and a transparent observation region 104 capable of observing at least a part of the region extending in the depth direction of the liquid housing chambers 122 from the outside is formed to one side surface of the liquid housing part 100.
Katsuro Tanaka
Shinji Oga
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