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|1. (WO2018177189) ADJUSTMENT PEN|
|Applicants:||BOE TECHNOLOGY GROUP CO., LTD.
HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD.
An adjustment pen. The adjustment pen comprises a pen body (100); the pen body (100) comprises a pen tip (140); the adjustment pen further comprises a light emitting unit (300), a control switch (400), and a power supply module (500) which are carried on the pen body (100); the light emitting unit (300), the control switch (400), and the power supply module (500) are connected to form a lighting circuit; the control switch (400) is configured to control connection/disconnection of the lighting circuit; the light emitting unit (300) is configured to emit a light beam towards the pen tip (140).