Calfee, Halter & Griswold LLP
Display substrate, display device and method for recognizing position mark
The present disclosure provides a display substrate, a display device and a method for recognizing a positioning mark. The display substrate includes a substrate, and a first pattern and a second pattern formed on a first side of the substrate; the second pattern is disposed between the first pattern and the substrate, and the first pattern has a first through hole directly facing the second pattern; the first pattern and the second pattern are formed of materials having different reflectances, and the first through hole serves as a positioning mark on a first side of the substrate for positioning the first side of the substrate.
BOE TECHNOLOGY GROUP CO., LTD. BEIJING BOE DISPLAY TECHNOLOGY CO., LTD.
G H H G G H G
G02F H01L H01L G02B G02F H01L G01B
inventional inventional additional inventional additional additional inventional
Qingliang Haibo Zhangwei Heng
Zhang Zhang Dang Wang