US 12,265,249 B1
Light-emitting module of illuminated keyboard
Chih-Hsien Wu, Taichung (TW); Shih-Pin Lin, Taichung (TW); Li-Ling Huang, Taichung (TW); and Zhi-Xuan Zhang, Taichung (TW)
Assigned to Sunrex Technology Corp., Taichung (TW)
Filed by SUNREX TECHNOLOGY CORP., Taichung (TW)
Filed on May 16, 2024, as Appl. No. 18/666,133.
Claims priority of application No. 113200456 (TW), filed on Jan. 12, 2024.
Int. Cl. F21V 8/00 (2006.01)
CPC G02B 6/0088 (2013.01) [G02B 6/0021 (2013.01)] 7 Claims
OG exemplary drawing
 
1. A light-emitting module of an illuminated keyboard, comprising:
a reflector plate;
a light guiding plate disposed on said reflector plate and including a plate hole;
a light shielding plate disposed on said light guiding plate and including a bottom surface that faces toward said light guiding plate, a top surface that is opposite to said bottom surface, a through hole that extends from said bottom surface to said top surface, and a first light-passing hole that is spaced apart from said through hole, said through hole being aligned with said plate hole and having a bottom opening that is formed on said bottom surface;
a base plate disposed on said top surface of said light shielding plate and including an accommodating hole that is aligned with said through hole, and a second light-passing hole that is spaced part from said accommodating hole and that is aligned with said first light-passing hole;
a thin film circuit board disposed on said base plate and having a bottom side surface that faces toward said base plate; and
a light-emitting element disposed on said bottom side surface of said thin film circuit board and extending into said accommodating hole, said light-emitting element having a bottom end surface that faces toward said reflector plate.