US 12,287,508 B1
Luminous board
Xian Shao, Lishui (CN)
Filed by Xian Shao, Lishui (CN)
Filed on Jan. 17, 2025, as Appl. No. 19/026,603.
Claims priority of application No. 202422832796.9 (CN), filed on Nov. 19, 2024.
Int. Cl. F21V 8/00 (2006.01); F21V 23/04 (2006.01)
CPC G02B 6/0085 (2013.01) [F21V 23/0435 (2013.01); F21V 23/0485 (2013.01); G02B 6/0011 (2013.01); G02B 6/0088 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A luminous board, comprising a wooden frame (1);
wherein the wooden frame (1) defines a first placement groove (19) and a second placement groove (20) therein, a first aluminum alloy frame (4) and a second aluminum alloy frame (5) are attached onto the first placement groove (19) through double-sided adhesive or adhesive, and sides of the first aluminum alloy frame (4) and sides of the second aluminum alloy frame (5) are each in contact with inner walls of the first placement groove (19); each of the first aluminum alloy frame (4) and the second aluminum alloy frame (5) defines a plug-in cavity (6), a light guide plate (8) is inserted in the plug-in cavity (6), and sides of the light guide plate (8) are surrounded by a light strip (9), the light strip (9) is in contact with inner walls of the plug-in cavity (6); a control circuit board (11) and a battery (10) are attached onto the sides of the light guide plate (8) through the double-sided adhesive or the adhesive, the light strip (9) and the battery (10) are both electrically connected to the control circuit board (11), and a sealing plate (3) is attached onto the second placement groove (20) through the double-sided adhesive or the adhesive and is configured to seal the wooden frame (1).