US 11,656,401 B2
Back plate unit and backlight module of display device
Hung-Chi Cheng, New Taipei (TW); Chien-Lung Huang, New Taipei (TW); Chia-Chang Tsai, New Taipei (TW); and Chih-Yuan Sung, New Taipei (TW)
Assigned to TOP VICTORY INVESTMENTS LIMITED, Hong Kong (HK)
Filed by Top Victory Investments Limited, Hong Kong (HK)
Filed on Aug. 2, 2022, as Appl. No. 17/879,622.
Claims priority of application No. 110134631 (TW), filed on Sep. 16, 2021.
Prior Publication US 2023/0077713 A1, Mar. 16, 2023
Int. Cl. F21V 8/00 (2006.01)
CPC G02B 6/0073 (2013.01) 11 Claims
OG exemplary drawing
 
1. A back plate unit comprising:
a back plate having a first side and a second side opposite to each other;
an optical member mounted to said back plate; and
a buffer assembly disposed between said optical member and said back plate, said buffer assembly including at least one first buffer member that is disposed on said first side of said back plate, that is located between said back plate and said optical member, and that is made of a thermoplastic material, and at least one second buffer member that is disposed on said second side of said back plate, that is located between said back plate and said optical member, and that is made of a thermoset material;
wherein said at least one first buffer member and said optical member are deformed when heated, and said first buffer member is squeezed and compressed by expansion of said optical member.