公开(公告)号：US20210036074A1

公开(公告)日：2021-02-04

申请号：US16897624

申请日：2020-06-10

Applicant: BOE Technology Group Co., Ltd.

Inventor： Jingkai NI ,  Xiaofen WANG ,  Xiang ZHOU ,  Huili WU

IPC: H01L27/32 ,  H01L51/52

Abstract: Embodiments of the present disclosure provided a display panel and a display device. The display panel includes a plurality of pixel defining units, each of the plurality of pixel defining units has a pixel hole for arranging a sub-pixel, and a first guide groove section connecting to the pixel hole, and the first guide groove sections corresponding to two adjacent pixel defining units are connected to each other to form a first guide groove.

公开(公告)号：US20190001666A1

公开(公告)日：2019-01-03

申请号：US15992922

申请日：2018-05-30

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Jinxiang XUE ,  Zhongyuan SUN ,  Wenqi LIU ,  Xiang ZHOU ,  Jingkai NI

IPC: B41J2/045 ,  B41J29/393 ,  B41J3/407 ,  B41M5/00 ,  B41J11/00 ,  B41J29/42 ,  G06T7/00 ,  G06T7/62

Abstract: The present disclosure relates to a device and method for detecting an ink droplet. The device includes a conveying means configured to convey an article to be printed to a printing position under a print head for ejecting the ink droplet; an imaging means configured to acquire an image of a printing area after the ink droplet is ejected on the printed area of the surface of the article by the print head; an analyzing means configured to acquire at least one geometric property of the ink droplet from the image and determine whether ink droplet abnormality has occurred based on the at least one geometric property.