US 12,235,448 B2
Head mounted display
Hyun Joo Son, Daejeon (KR); Dae Han Seo, Daejeon (KR); and Bu Gon Shin, Daejeon (KR)
Assigned to LG Chem, Ltd., Seoul (KR)
Appl. No. 17/601,803
Filed by LG Chem, Ltd., Seoul (KR)
PCT Filed Sep. 3, 2020, PCT No. PCT/KR2020/011815
§ 371(c)(1), (2) Date Oct. 6, 2021,
PCT Pub. No. WO2021/066335, PCT Pub. Date Apr. 8, 2021.
Claims priority of application No. 10-2019-0121202 (KR), filed on Sep. 30, 2019.
Prior Publication US 2022/0179218 A1, Jun. 9, 2022
Int. Cl. G02B 27/01 (2006.01); G02C 11/00 (2006.01); G06T 7/70 (2017.01)
CPC G02B 27/0172 (2013.01) [G02B 27/0179 (2013.01); G02C 11/10 (2013.01); G06T 7/70 (2017.01); G02B 2027/0134 (2013.01); G02B 2027/014 (2013.01); G02B 2027/0174 (2013.01); G02B 2027/0178 (2013.01)] 12 Claims
OG exemplary drawing
 
1. A head mounted display configured to be worn on a head of a wearer to transfer an image, the head mounted display comprising:
a display source disposed on a lateral side of an eye of the wearer and configured to output an image display light;
a first lens configured to condense the image display light;
a holographic optical element (HOE) disposed in front of the eye of the wearer and configured to direct the image display light passing through the first lens toward the eye of the wearer; and
a controller configured to adjust at least one of: a position of the display source; or a position of the first lens, the controller comprising a sensor unit disposed in front of the eye of the wearer and configured to acquire body information of the wearer, and a control unit configured to calculate predetermined positions of the first lens and the display source based on the body information,
wherein the body information is one selected from the group consisting of: a shape of the head of the wearer, a distance between both eyes of the wearer, or a combination thereof.