Inventor
HA JEONG HUN
KR30 patents
⚠️ This page may combine multiple inventors who share the name “HA JEONG HUN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
LETINAR CO LTD
29 patentsUSD921745SJun 8, 2021
Augmented reality smartglasses
LETINAR CO LTD10 citations85
US12013556B2Jun 18, 2024
Compact optical device for augmented reality
LETINAR CO LTD2 citations72
US11927733B2Mar 12, 2024
Image compensation device for image for augmented reality
LETINAR CO LTD2 citations72
US11556007B2Jan 17, 2023
Apparatus equipped with depth control function for enabling augmented reality
LETINAR CO LTD2 citations72
US11536963B2Dec 27, 2022
Optical device for augmented reality having improved light efficiency
LETINAR CO LTD2 citations72
US10768427B2Sep 8, 2020
Apparatus equipped with depth control function for enabling augmented reality
LETINAR CO LTD4 citations72
US12276794B2Apr 15, 2025
Optical device for augmented reality having improved light efficiency
LETINAR CO LTD0 citations62
US12125153B2Oct 22, 2024
Augmented reality optical device having ghost image blocking function
LETINAR CO LTD1 citations62
US12117616B2Oct 15, 2024
Compact optical device for augmented reality having ghost image blocking function and wide field of view
LETINAR CO LTD1 citations62
US12111482B2Oct 8, 2024
Optical device for augmented reality
LETINAR CO LTD0 citations62
US11586044B2Feb 21, 2023
Compact optical device for augmented reality having ghost image blocking function and wide field of view
LETINAR CO LTD0 citations62
US12504630B2Dec 23, 2025
Compact optical device for augmented reality using total internal reflection
LETINAR CO LTD1 citations61
US12181648B2Dec 31, 2024
Image compensation device for image for augmented reality
LETINAR CO LTD0 citations61
US12130433B2Oct 29, 2024
Optical device for augmented reality
LETINAR CO LTD0 citations61
US12092824B2Sep 17, 2024
Optical device for augmented reality
LETINAR CO LTD0 citations61
US12586320B2Mar 24, 2026
Lightweight optical device for augmented reality using state change optical element
LETINAR CO LTD0 citations51
US12586322B2Mar 24, 2026
Optical device for augmented reality having ghost image prevention function
LETINAR CO LTD0 citations51
US12578564B2Mar 17, 2026
Optical device for augmented reality having optical structure arranged in straight line and method for manufacturing optical means
LETINAR CO LTD0 citations51
US12468163B2Nov 11, 2025
Optical device for augmented reality having a function of adjusting depth of a virtual image
LETINAR CO LTD0 citations51
US12276791B2Apr 15, 2025
Optical apparatus for augmented reality with vision correction function
LETINAR CO LTD0 citations51
US12248163B2Mar 11, 2025
Optical device for augmented reality having improved light transmittance
LETINAR CO LTD0 citations51
US12210158B2Jan 28, 2025
Optical device for augmented reality using a plurality of images for augmented reality
LETINAR CO LTD0 citations51
US12124047B2Oct 22, 2024
Optical device for augmented reality capable of providing image for augmented reality having close distance
LETINAR CO LTD0 citations51
US12055693B2Aug 6, 2024
Camera module using small reflector, and optical device for augmented reality using same
LETINAR CO LTD0 citations51
US12013540B2Jun 18, 2024
Method of manufacturing optical device having array of reflective units on optical element surfaces
LETINAR CO LTD0 citations51
US11754837B2Sep 12, 2023
Optical device for augmented reality having external light leakage prevention function
LETINAR CO LTD0 citations51
US11656460B2May 23, 2023
Method of manufacturing optical device with first and second optical elements having reflective units
LETINAR CO LTD0 citations51
US11391954B2Jul 19, 2022
Optical device for augmented reality
LETINAR CO LTD0 citations51
US12475661B2Nov 18, 2025
Optical lens, display, and connecting member physically coupling optical lens and display to each other
LETINAR CO LTD0 citations49