US 12,009,461 B2
Micro LED display device including refraction structure
Sheng-Yuan Sun, Zhunan Township (TW); Po-Wei Chiu, Zhunan Township (TW); and Loganathan Murugan, Zhunan Township (TW)
Assigned to PLAYNITRIDE DISPLAY CO., LTD., Zhunan Township, Miaoli County (TW)
Filed by PlayNitride Display Co., Ltd., Zhunan Township, Miaoli County (TW)
Filed on Jul. 7, 2021, as Appl. No. 17/369,322.
Claims priority of application No. 110111561 (TW), filed on Mar. 30, 2021.
Prior Publication US 2022/0320386 A1, Oct. 6, 2022
Int. Cl. H01L 33/58 (2010.01); H01L 25/075 (2006.01); H01L 33/60 (2010.01); G02B 3/08 (2006.01)
CPC H01L 33/58 (2013.01) [H01L 25/0753 (2013.01); H01L 33/60 (2013.01); G02B 3/08 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A micro LED display device, comprising:
a substrate;
a first micro LED disposed on the substrate;
at least one first refraction structure disposed on and corresponding to the first micro LED;
a second micro LED disposed on the substrate and adjacent to the first micro LED;
at least one second refraction structure disposed on and corresponding to the second micro LED;
a first auxiliary micro LED disposed on the substrate and adjacent to the first micro LED; and
at least one first auxiliary refraction structure disposed on and corresponding to the first auxiliary micro LED.