US 12,411,271 B2
Composite quantum dot optical film comprising first and second optical prism films
Chia-Yeh Miu, Taoyuan (TW); Yu-Mei Juan, Taoyuan (TW); Chia-Jung Chiang, Taoyuan (TW); Ge-Wei Lin, Taoyuan (TW); Ying-Yi Lu, Taoyuan (TW); Hui-Yong Chen, Taoyuan (TW); Lung-Pin Hsin, Taoyuan (TW); and Jeffrey Wu, Taoyuan (TW)
Assigned to UBRIGHT OPTRONICS CORPORATION, Taoyuan County (TW)
Filed by UBRIGHT OPTRONICS CORPORATION, Taoyuan (TW)
Filed on Nov. 29, 2021, as Appl. No. 17/536,131.
Claims priority of provisional application 63/230,835, filed on Aug. 9, 2021.
Prior Publication US 2023/0043944 A1, Feb. 9, 2023
Int. Cl. G02B 5/04 (2006.01); B32B 3/30 (2006.01); B32B 7/12 (2006.01); B32B 27/08 (2006.01); B32B 27/36 (2006.01); G02B 5/02 (2006.01)
CPC G02B 5/045 (2013.01) [B32B 3/30 (2013.01); B32B 7/12 (2013.01); B32B 27/08 (2013.01); B32B 27/36 (2013.01); G02B 5/0242 (2013.01); B32B 2255/10 (2013.01); B32B 2260/046 (2013.01); B32B 2305/30 (2013.01); B32B 2307/406 (2013.01); B32B 2307/7244 (2013.01); B32B 2307/7265 (2013.01); B32B 2307/732 (2013.01); B32B 2457/202 (2013.01); B32B 2551/00 (2013.01)] 15 Claims
OG exemplary drawing
 
1. A quantum-dot composite film, comprising:
a quantum-dot prism film, comprising a quantum-dot layer and a first plurality of prisms disposed over the quantum-dot layer;
a first optical prism film, comprising a second plurality of prisms on a first side of the first optical prism film and a first adhesive layer disposed on a second side of the first optical prism film that is opposite to the first side of the first optical prism film; and
a second optical prism film, comprising a third plurality of prisms on a first side of the second optical prism film and a second adhesive layer disposed on a second side of the second optical prism film that is opposite to the first side of the second optical prism film, wherein a top part of the first plurality of prisms is embedded in the first adhesive layer, and a top part of the second plurality of prisms is embedded in the second adhesive layer, wherein a gap between every two adjacent prisms of the quantum-dot prism film is between 20-60 um; a gap between every two adjacent prisms of the first optical prism film is between 12-50 um; and
a gap between every two adjacent prisms of the second optical prism film is between 29-58 um.