| 摘要 |
The present invention relates to an instrument for measuring blood pressure. More particularly, the present invention relates to a display module of LED light pillar of hemomanometer. Which comprises a shell (1) containing a LED printed circuit board (2) that has a multiple of pins (21) at one side and corresponding multiple of LED tubes (22) at the other side; a cover plate (3) provided with a multiple of through holes (31); a driving circuit board (4) provided at the external side of cover plate (3); each pin (21) of the LED printed circuit board (2) passes each through hole (31) of the cover plate (3) correspondingly and links to driving circuit board (4) and the cover plate (3) and shell (1) jointly encapsulate the LED printed circuit board (2); a top of the shell (1) is transparent in on which a linear grating (5) is provided. The object of the present invention is to encapsulate LED printed circuit board in its shell without requiring epoxy resin.
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