Jig convenient for optical inspection of diaphragm

The utility model relates to the field of positioning jigs, in particular to a jig convenient for optical inspection of a diaphragm, the jig comprises a jig body, a jig cover body and a lightening assembly, the jig body is provided with an adsorption hole for adsorbing and fixing a backlight source product; the jig cover body is provided with a high-definition detection film, and when the jig cover body abuts against the jig body in a matched mode, a closed detection cavity is formed between the high-definition detection film and the jig cover body; the jig body is provided with an air exhaust hole for performing vacuum treatment on the detection chamber; the lightening assembly is used for lightening the backlight source product. The backlight source production line has the effect of simplifying the backlight source product production line. 本申请涉及定位冶具领域,尤其涉及一种便于膜片进行光学检验的治具，其包括冶具本体、冶具盖体以及点亮组件，所述冶具本体开设有用于对背光源产品进行吸附固定的吸附孔；所述冶具盖体安装有高清检测膜，所述冶具盖体抵紧配合于冶具本体时，所述高清检测膜与冶具盖体之间形成密闭设置的检测腔室；所述冶具本体开设有用于对检测腔室进行真空处理的抽气孔；所述点亮组件