US 12,332,453 B2
Lens based on human visual system, video see-through apparatus employing the lens, and method of designing the lens
Youngmo Jeong, Suwon-si (KR); and Jongchul Choi, Suwon-si (KR)
Assigned to SAMSUNG ELECTRONICS CO., LTD., Suwon-si (KR)
Filed by SAMSUNG ELECTRONICS CO., LTD., Suwon-si (KR)
Filed on Nov. 5, 2024, as Appl. No. 18/938,027.
Application 18/938,027 is a continuation of application No. 18/233,091, filed on Aug. 11, 2023.
Application 18/233,091 is a continuation of application No. PCT/KR2023/010570, filed on Jul. 21, 2023.
Claims priority of application No. 10-2022-0090576 (KR), filed on Jul. 21, 2022; and application No. 10-2022-0143021 (KR), filed on Oct. 31, 2022.
Prior Publication US 2025/0060596 A1, Feb. 20, 2025
Int. Cl. G02B 27/01 (2006.01)
CPC G02B 27/0172 (2013.01) 16 Claims
OG exemplary drawing
 
1. A head-mounted display (HMD) apparatus comprising:
at least one camera configured to obtain an image by capturing a scene;
at least one display configured to display the image obtained by the at least one camera; and
a lens comprising a plurality of lens elements arranged between an eye of a user and the at least one display,
wherein the lens includes an aperture stop area configured to be at least a portion of an area for facing the eye of the user,
wherein the aperture stop area includes a plurality of sub-stop areas corresponding to a plurality of gaze directions by eye rotation, respectively, and
wherein modulation values of the lens at sub-fields of 0 degrees of sub-stop areas, from the plurality of sub-stop areas, corresponding to gaze directions of 0, 10, and 20 degrees are greater than 0.7, and
wherein the modulation values of the lens are measured at a spatial frequency between 15 to 20 cycles/mm.