公开(公告)号：EP3615997A1

公开(公告)日：2020-03-04

申请号：EP17882254.0

申请日：2017-12-15

申请人： BOE Technology Group Co., Ltd. ,  Fuzhou Boe Optoelectronics Technology Co., Ltd.

发明人： LUO, Shijian ,  CHEN, Hui ,  ZHANG, Xinyu

IPC分类号： G02F1/1335

公开(公告)号：EP3650896A1

公开(公告)日：2020-05-13

申请号：EP18789312.8

申请日：2018-03-07

申请人： BOE TECHNOLOGY GROUP CO., LTD. ,  FUZHOU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.

发明人： WANG, Qiaoni ,  CHEN, Hui ,  LUO, Shijian ,  ZHANG, Xinyu ,  LIN, Yabin

IPC分类号： G02B6/122

摘要： Embodiments of the present disclosure provide a transparent display device and a manufacturing method thereof. The transparent display device includes a display panel (100) and a total internal reflection type photonic crystal backplate (200), the display panel (100) includes a display side and an incident side opposite to the display side, the total internal reflection type photonic crystal backplate (200) is disposed at the incident side of the display panel (100); the total internal reflection type photonic crystal backplate (200) includes a substrate (201) and a plurality of pillar structures periodically arranged in the substrate, wherein a refractive index of the plurality of pillar structures is different from a refractive index of the substrate. the total internal reflection type photonic crystal backplate can convert light incident into a display panel from different directions into vertical incident light.