公开(公告)号：EP2741940B1

公开(公告)日：2017-07-05

申请号：EP12821359.2

申请日：2012-05-04

Applicant: Shenzhen BYD Auto R&D Company Limited ,  BYD Company Limited

Inventor： GONG, Qing ,  WU, Bo ,  ZHONG, Yilin ,  SONG, Xinxin ,  WANG, Jinqiu ,  BAI, Junming ,  DAI, Jun ,  SU, Fengwu ,  LUO, Ditian

IPC: B60Q1/56 ,  B60R13/00

CPC classification number: B60R13/10 ,  B60Q1/56

公开(公告)号：EP2741940A1

公开(公告)日：2014-06-18

申请号：EP12821359.2

申请日：2012-05-04

Applicant: Shenzhen BYD Auto R&D Company Limited ,  BYD Company Limited

Inventor： GONG, Qing ,  WU, Bo ,  ZHONG, Yilin ,  SONG, Xinxin ,  WANG, Jinqiu ,  BAI, Junming ,  DAI, Jun ,  SU, Fengwu ,  LUO, Ditian

IPC: B60Q1/56 ,  B60R13/00

CPC classification number: B60R13/10 ,  B60Q1/56

Abstract: A license plate device comprises: a first shell (110) having a transparent region (111) forming a first predetermined logo pattern and a non transparent region (112); a second shell (150) fixedly connected with the first shell (110), with a sealed accommodating space; a light guide plate (120) disposed between the bottom plate (130) and the first shell (110) which is formed with an accommodating groove (122); and a circuit board (140) disposed between the light guide plate (120) and the second shell (150) which is formed with an illuminating element (141) on a surface thereof facing toward the light guide plate (120) to be accommodated in the accommodating groove (122), in which the light guide plate (120) is formed with a plurality of microprism structures (121) configured to transmit at least a part of light emitted by the illuminating element (141) penetrating through the light guide plate (120) from a face of the light guide plate (120) facing the first shell (110).