Testing system for micro lighting device and related testing method

A method of testing a micro lighting device, comprising:

• applying a first voltage to a first test electrode;
• applying a second voltage to a first electrode of a luminance device in the micro lighting device;
• adjusting a distance between the first test electrode and the luminance device until a second electrode of the luminance device is able to sense the first voltage;
• and
• determining whether the luminance device is lit up by detecting an optical signal from the luminance device.

A method of testing a micro lighting device, comprising:

• applying a first voltage to a first test electrode;
• applying a second voltage to a second test electrode;
• adjusting a distance between the first test electrode and a luminance device in the micro lighting device until a first electrode of the luminance device is able to sense the first voltage;
• adjusting a distance between the second test electrode and the luminance device until a second electrode of the luminance device is able to sense the second voltage;
• and
• determining whether the luminance device is lit up by detecting an optical signal from the luminance device.

A method of testing a micro lighting device, comprising:

• fabricating a plurality of luminance devices and then transferring the plurality of luminance devices to be disposed on a substrate;
• disposing a testing material layer on the plurality of luminance devices, wherein a color exhibited by the testing material layer on a region is associated with at least one of luminous energy and thermal energy received in the region;
• applying a first voltage to a first electrode of each luminance device and applying a second voltage to a second electrode of each luminance device;
• and
• determining whether each luminance device is lit up according to the color of each region corresponding to each luminance device.