公开(公告)号：US20230171903A1

公开(公告)日：2023-06-01

申请号：US17701724

申请日：2022-03-23

申请人： NANJING LOPU CO., LTD.

发明人： Bin ZHU ,  Chengyue LV ,  Jianming QIU ,  Lili JI ,  Chengbing GUO

IPC分类号： H05K5/02 ,  H01L23/32 ,  F24F7/00 ,  E05F1/10 ,  E05F15/611 ,  E05F15/53 ,  E05B47/00 ,  E05B65/00 ,  E05B17/22

CPC分类号： H05K5/0204 ,  H01L23/32 ,  F24F7/00 ,  E05F1/1016 ,  E05F15/611 ,  E05F15/53 ,  E05B47/0012 ,  E05B65/006 ,  E05B17/22 ,  F24F2007/0025 ,  E05Y2201/422 ,  E05Y2201/434 ,  E05Y2201/448 ,  E05Y2201/484 ,  E05Y2201/686 ,  E05Y2800/252 ,  E05Y2900/13 ,  E05Y2900/606 ,  E05B2047/0017

摘要： A switched-mode light-emitting diode (LED) display unit satisfying fire-fighting smoke exhaust and ventilation requirements includes an LED display unit, a mounting member, an opening-closing actuator and a pressing member. The LED display unit is mounted on the mounting member and the mounting member is mounted on a display panel by an opening-closing actuator and pressed against the display panel by a pressing member. The switched-mode LED display unit provides the pressing member that works to release the pressed mounting member after obtaining a triggering command and the opening-closing actuator that turns on the LED display unit subsequently, thereby meeting the fire smoke exhaust ventilation requirement of the internal surface or the external surface of a building.

公开(公告)号：US20240291940A1

公开(公告)日：2024-08-29

申请号：US18025725

申请日：2022-11-29

申请人： NANJING LOPU CO., LTD. ,  NANJING LOPU TECHNOLOGY CO., LTD.

发明人： Bin ZHU ,  Deyu HAN ,  Sheng LI ,  Ning XU ,  Xiuwei LV ,  Chengbing GUO ,  Lingling JIANG ,  Yezhuang XU

IPC分类号： H04N5/64 ,  G09G3/32

CPC分类号： H04N5/642 ,  G09G3/32 ,  G09G2300/026

摘要： The present disclosure relates to the technical field of display screen, and provides a display module set and a display screen. The display module set comprises a cabinet frame and a plurality of display modules. The cabinet frame comprises a power box and a plurality of sub-frames located on the left and right sides of the power box. The sub-frames on each side are arranged sequentially in a vertical direction. The plurality of the display modules corresponds to a plurality of the sub-frames on a one-to-one basis. A drive circuit and mounting members of the display module are both provided on a left side and/or right side region. A middle region of the display module is uniformly distributed with a hole structure for sound transmission. The display module is mounted on a corresponding sub-frame via the mounting members of the left side and/or right side region.

公开(公告)号：US20230408744A1

公开(公告)日：2023-12-21

申请号：US17948263

申请日：2022-09-20

申请人： NANJING LOPU CO., LTD. ,  NANJING LOPU TECHNOLOGY CO., LTD.

发明人： Sheng LI ,  Bin ZHU ,  Lili JI ,  Chengbing GUO ,  Lingling JIANG ,  Yicheng LI

IPC分类号： G02B5/30 ,  H04R1/02

CPC分类号： G02B5/3025 ,  H04R2499/15 ,  H04R1/028

摘要： A display screen cover is arranged to correspond to an area array driving plate of a display screen, and the display screen cover includes a cover body and a polarization film assembly. The polarization film assembly is arranged on the back of the cover body, and the polarization film assembly is provided with polarization film through holes and polarization film sound transmission spaces. The polarization film through holes are arranged to correspond to light-emitting tubes of the area array driving plate, and the polarization film sound transmission spaces are arranged to correspond to sound transmission spaces of the area array driving plate. The cover body is provided with cover through holes and cover sound transmission spaces. The cover through holes are arranged to correspond to the polarization film through holes, and the cover sound transmission spaces are arranged to correspond to the polarization film sound transmission spaces.