US 12,174,387 B1
Optical lens and head-mounted display
Chen-An Chiang, Hsinchu (TW); Ying-Hung Tsai, Hsinchu (TW); and Chung-Wu Liu, Hsinchu (TW)
Assigned to Asphetek Solution (Chengdu) Ltd., Chengdu (CN); ADVANCED OPTOELECTRONIC TECHNOLOGY, INC., Hsinchu County (TW); and Asphetek Solution Inc., Hsinchu County (TW)
Filed by Asphetek Solution (Chengdu) Ltd., Chengdu (CN); ADVANCED OPTOELECTRONIC TECHNOLOGY, INC., Hsinchu County (TW); and Asphetek Solution Inc., Hsinchu (TW)
Filed on Dec. 6, 2023, as Appl. No. 18/530,674.
Claims priority of application No. 202311489600.4 (CN), filed on Nov. 8, 2023.
Int. Cl. G02B 27/01 (2006.01); G02B 27/09 (2006.01)
CPC G02B 27/0172 (2013.01) [G02B 27/0955 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An optical lens, comprising:
a first lens comprising at least two focal parts with different powers;
a second lens on a side of the first lens; and
an optical waveguide on a side of the second lens away from the first lens;
wherein the optical lens further comprises a protective layer and a light emitting layer, the protective layer is between the second lens and the first lens, the light emitting layer comprises a light emitter for emitting detection light to track eyeballs, and the protective layer is for molding the light emitter, so that the light emitter is between the second lens and the protective layer.