Name Hong, Hyung-Ki
Position professor
Tel +82-2-970-6232
Fax 02-971-2852
E-mail hyungki.hong@seoultech.ac.kr
Biography
Ph.D in Physics, KAIST, Korea ( 1993.03~1998.02)
M.S in Physics, KAIST, Korea ( 1991.03~1993.02)
B.S in Physics, Seoul National University, Korea ( 1987.03~1991.02)
Careers
2014.10~ Present: Associate Professor, Department of Optometry, Seoul National University of Science & Technology

2010.09~ 2014.09 Assistant Professor, Department of Optometry, Seoul National University of Science & Technology

1998.03 ~ 2010.08 Chief Research Engineer , LG Display, Korea
Research Areas
- Stereoscopy, Stereoscopic display
- Virtual reality
- Human factors related to Vision and Display
- Vision science
- Optics
Selected Publications
Hyungki Hong,"Effect of 3D depth on the resolution and the observed image for autostereoscopic multi view 3D display" Journal of SID, vol 26 n7 p401-406 (2018)

Jaehyung Lee, Wonjae Yeo, Hyungki Hong, "Visual evaluation of 3D image quality by viewer unexperienced in viewing autostereoscopic 3D", Journal of SID,v26 no1 p21-26 (2018)

Hyungki Hong "Influence of depth and 3D crosstalk on blur in multi-view 3D displays (Cover page)"Journal of SID, vol.25, no.7 p450-457 (2017)

Hyungki Hong "Analysis of the dependence of the viewing zones on the display radius in autostereoscopic 2 view displays of horizontally concave surface " Journal of Display Technology , no.8 p808-814 (2016)

Hyungki Hong "Polarization rotator consisting of two layers of twisted nematic LC which shows little dependence on the initial polarization direction and the wavelength" Liquid Crystals, vol.43,no.8, p1038-1046(2016)


Hyungki Hong "Hidden image display which reguired the special eyeglass for the viewer to observe the hidden image" Journal of SID, vol.23, no.2, p.84 (2015)

Seok Hyon Kang,Hyungki Hong "Measurement of the lens accommodation in viewing stereoscopic displays" Journal of SID, Journal of SID, vol.23, no.1, p.19 (2015)

Hyungoo Kang,Hyungki Hong "Measurement of Minimum angle of resolution (MAR) for the spatial grating consisting of lines of two colors", DISPLAYS,vol.38 p44-49 (2015)


Hyungki Hong "Analysis of the reflected image by the cylindrical concave surface of the mobile display" Journal of SID,vol.22, no.3 p163(2014)

Hyungki Hong "Design of autostereoscopic 2 view 3D that uses the spherical concave surface and the parallax barrier" Journal of SID, vol.22, no.3 p144 (2014)

Soo-Kyung Shin, Myung-jin Jun, Hyungki Hong "Measurement of Minimum Angle of Resolution (MAR) in the Stereoscopic Display using the Optotype of Stereoscopic Stimuli" Journal of SID,vol.22,p123 (2014)


Hyungoo Kang, Hyungki Hong "Experimental determination of the range of binocular disparity for which stereoscopic fusion occurs at a viewing distance of 2.5m for a stereoscopic TV" Journal of SID, vol.21,p317 (2013)

Hyungki Hong "Analysis of focal length of blue-phase liquid crystal(BPLC) cylindrical lens for the light of the various incident angles and polarization". Liquid Crystals, vol.40, p450 (2013)


Hyungki Hong "Analysis of the performance of the electric-field driven liquid crystal lens (ELC Lens) for light of various incident angles" Liquid Crystals, vol.39,p1055 (2012)

Hyungki Hong "Reduction of Spatially Non-uniform 3D Crosstalk for Stereoscopic display using shutter glasses" DISPLAYS,vol.33, p136 (2012)

Hyungki Hong "Change of the observed binocular disparity of the moving 3D object in 3D technology
based on the time-division" DISPLAYS,vol.33, p98 (2012)

Hyungki Hong "Analysis of the rotation of the polarization direction in the cylindrical LC lens where the direction of the incident linear polarization is not parallel to the axis of cylindrical lens". Liquid Crystals, vol.39, p157 (2012)

Hyungki Hong "Simple method of characterizing the spatial luminance distribution at the user
position for autostereoscopic 3-D display" Journal of SID, vol.20,p118 (2012)


Hyungki Hong "Analysis of Generation of Multi-domain in Vertical alignment (VA) Mode caused by the Fringe Field on the side of the lower substrate" Liquid Crystals, vol.38, p1007 (2011)

Hyungki Hong "Analysis of polarisation change in an electric field-driven liquid crystal lens of cylindrical type where LC are aligned twisted" Liquid Crystals, vol.38, p689 (2011)

Hyungki Hong et al "Angular dependence of 3D performance of 3D LCD TV using Shutter Glass" Journal of SID, vol.19,p287 (2011)

Hyungki Hong et al "Motion artifact of 3D LCD TV using Shutter Glass(SG) " Journal of SID, vol.19 p282 (2011)

Hyungki Hong "Temporal Characteristics of Optical Shutter of Vertical Alignment Liquid Crystal Cell designed for the Obliquely Incident Light" Liquid Crystals, v38,p87 (2011)
Journal Papers
- Effect of and Factors for Screen Size on Fatigue and Cybersickness When Watching Virtual Reality Videos, 한국안광학회지, vol.26 No.4 pp.299~305, 2021
- Effective selection of the optimal virtual reality (VR) lens interval of VR devices using the test patterns of the different shapes for the left and right eyes, journal of SID, vol.29 No.10 pp.793~800, 2021
- A measurement method of the focal distance of the virtual image in an augmented reality or virtual reality device, journal of Society for Information Display, vol.29 No.4 pp.230~236, 2021
- Novel method for the fast measurement of the three-dimensional range of the eyebox of a VR device, JOURNAL OF THE SOCIETY FOR INFORMATION DISPLAY, vol.28 No.9 pp.752~758, 2020
- Fast Measurement of Eyebox and Field of View (FOV) of Virtual and Augmented Reality Devices Using the Ray Trajectories Extending from Positions on Virtual Image, CURRENT OPTICS AND PHOTONICS, vol.4 No.4 pp.336~344, 2020
- The Wear and Care of Corrective and Cosmetic Soft Contact Lenses in Female Middle School, High School, and University Students, 한국안광학회지, vol.25 No.2 pp.131~143, 2020
- Eye Deviation and Fusional Vergence Measurement Using VR(Virtual Reality) Device of Google Cardboard Type, 한국안광학회지, vol.25 No.2 pp.155~161, 2020
- Effect of outside view on attentiveness in using see-through type augmented reality device, DISPLAYS, vol.57 pp.1~6, 2019
- Effect of 3D depth on the resolution and the observed image for autostereoscopic multi view 3D display, Journal of the society for information display, vol.26 No.7 pp.401~406, 2018
[View Original]
- Visual evaluation of 3D image quality by viewer unexperienced in viewing autostereoscopic 3D, JOURNAL OF THE SOCIETY FOR INFORMATION DISPLAY, vol.26 No.1 pp.21~26, 2018
[View Original]
- 구글 카드보드 타입 가상현실기기(VR)에서 애플리케이션 특성이시기능 및 피로도에 미치는 영향, 한국안광학회지, vol.22 No.3 pp.221~228, 2017
[View Original]
- Influence of depth and 3D crosstalk on blur in multi-view 3D displays, JOURNAL OF THE SOCIETY FOR INFORMATION DISPLAY, vol.25 No.7 pp.450~457, 2017
[View Original]
- 2D 및 3D 근거리 영상 시청 전, 후의 피로도 및시기능 변화에 대한 연구, 한국안광학회지, vol.22 No.2 pp.119~126, 2017
[View Original]
- Analysis of the dependence of the viewing zones on the display radius in autostereoscopic 2 view displays of horizontally concave surface, JOURNAL OF DISPLAY TECHNOLOGY, vol.12 No.8 pp.808~814, 2016
[View Original]
- 2D 및 3D 영상 시청 전, 후의 피로도 및 시기능 변화에 대한 연구, 대한시과학회지, vol.18 No.2 pp.121~133, 2016
[View Original]
- Comparison of Stereoscopic Fusional Area between People with Good and Poor Stereo Acuity, Journal of Korean Ophthalmic Optics Society, vol.21 No.1 pp.61~68, 2016
[View Original]
- Polarisation rotator consisting of two layers of twisted nematic LC, which shows little dependence on the initial polarisation direction and the wavelength, LIQUID CRYSTALS, vol.43 No.8 pp.1038~1046, 2016
[View Original]
- Measurement of the lens accommodation in viewing stereoscopic displays, JOURNAL OF THE SOCIETY FOR INFORMATION DISPLAY, vol.23 No.1 pp.19~26, 2015
[View Original]
- Hidden image display which required the special eyeglass for the viewer to observe the hidden image, JOURNAL OF THE SOCIETY FOR INFORMATION DISPLAY, vol.23 No.2 pp.84~89, 2015
[View Original]
- Measurement of minimum angle of resolution (MAR) for the spatial grating consisting of lines of two colors, DISPLAYS, vol.38 pp.44~49, 2015
[View Original]
- 양안융합의 분리 시간에 따른 사위량 비교에 관한 연구, J.Korean Ophtalmic Opt.Soc, vol.19 No.3 pp.331~338, 2014
[View Original]
- 자동 굴절력계의 굴절력값과 포롭터를 이용한처방값의 차이에 관한 연구, J.Korean Ophtalmic Opt.Soc, vol.19 No.2 pp.231~238, 2014
[View Original]
- Design of autostereoscopic two-view 3D that uses the spherical concave surface and the parallax barrier, JOURNAL OF THE SOCIETY FOR INFORMATION DISPLAY, vol.22 No.3 pp.144~152, 2014
[View Original]
- Analysis of the reflected image by the cylindrical concave surface of the mobile display, JOURNAL OF THE SOCIETY FOR INFORMATION DISPLAY, vol.22 No.3 pp.163~169, 2014
[View Original]
- Measurement of Minimum Angle of Resolution (MAR) in the Stereoscopic Display using the Optotype of Stereoscopic Stimuli, JOURNAL OF THE SOCIETY FOR INFORMATION DISPLAY, vol.22 No.2 pp.122~128, 2014
[View Original]
- A Study on the Process that Materializes the Stereoscopic Image Observed through a Slitlamp on 3D TV, 대한시과학회지, vol.15 No.3 pp.227~234, 2013
[View Original]
- A Comparative Study on Quantity of Phoria between New Phoria Measurement with 3D Display and Existing Methods, 한국안광학회지, vol.18 No.3 pp.313~320, 2013
[View Original]
- Experimental determination of the range of binocular disparity for which stereoscopic fusion occurs at a viewing distance of 2.5 m for a stereoscopic TV, Journal of SID, vol.21 pp.317~323, 2013
[View Original]
- Analysis of focal length of blue-phase liquid crystal (BPLC) cylindrical lens for the light of the various incident angles and polarisations, Liquid crystals, vol.40 No.4 pp.450~457, 2013
[View Original]
- Analysis of the performance of the electric-field-driven liquid crystal lens (ELC Lens) for light of various incident angles, LIQUID CRYSTALS, vol.39 No.9 pp.1055~1061, 2012
[View Original]
- Reduction of spatially non-uniform 3D crosstalk for stereoscopic display using shutter glasses, DISPLAYS, vol.33 No.3 pp.136~141, 2012
[View Original]
- Change of the observed binocular disparity of the moving 3D object in 3D technology based, DISPLAYS, vol.33 No.2 pp.98~102, 2012
[View Original]
- Analysis of the rotation of the polarisation direction in a cylindrical liquid crystal lens where the direction of the incident linear polarisation is not parallel to the axis of the cylindrical lens, LIQUID CRYSTALS, vol.39 No.2 pp.157~164, 2012
[View Original]
- Simple method of characterizing the spatial luminance distribution at the user position for autostereoscopic 3-D display, JOURNAL OF THE SOCIETY FOR INFORMATION DISPLAY, vol.20 No.2 pp.118~122, 2012
[View Original]
- In Watching 3D Stereoscopic Display Using the Binocular Disparity, the Effect of Pupillary Distance of Adults and Children on the Perception of 3D Image, 한국안광학회지, vol.16 No.3 pp.299~305, 2011
- Analysis of the generation of multi-domain in vertical alignment (VA) mode caused by the fringe field on the side of the lower substrate, LIQUID CRYSTALS, vol.38 No.8 pp.1007~1015, 2011
[View Original]
- Analysis of polarisation change in an electric field-driven liquid crystal lens of cylindrical type where LC are aligned twisted, LIQUID CRYSTALS, vol.38 No.6 pp.689~696, 2011
[View Original]
- Motion artifacts observed in 3-D LCDs that use shutter glasses (SG 3D), JOURNAL OF THE SOCIETY FOR INFORMATION DISPLAY, vol.19 No.3 , 2011
[View Original]
- Angular dependence of the performance of stereoscopic liquid-crystal-display (LCD) television using shutter glasses, JOURNAL OF THE SOCIETY FOR INFORMATION Display, vol.19 No.3 pp.287~294, 2011
[View Original]
- Temporal characteristics of the optical shutter of a vertical alignment liquid crystal cell designed for obliquely incident light, LIQUID CRYSTALS, vol.38 No.1 pp.87~92, 2011
[View Original]
- Evaluation method of electro-optical transfer function for display devices, JOURNAL OF THE SOCIETY FOR INFORMATION DISPLAY, vol.18 pp.913~921, 2010
- Determination of luminance distribution of autostereoscopic 3-D displays through calculation of angular profile, JOURNAL OF THE SOCIETY FOR INFORMATION DISPLAY, vol.18 No.5 pp.327~335, 2010
- Analysis of angular dependence of 3-D technology using polarized eyeglasses, JOURNAL OF THE SOCIETY FOR INFORMATION DISPLAY, vol.18 No.1 pp.8~12, 2010
- Moving-picture response time (MPRT) of LCDs for the oblique viewing direction, JOURNAL OF THE SOCIETY FOR INFORMATION DISPLAY, vol.17 pp.567~572, 2009
- Electric-field-driven LC lens for 3-D/2-D autostereoscopic display, Journal of the Society for Information Display, vol.17 No.5 pp.399~406, 2009
Conference Papers
- 홍형기, Techincal seminar 6 Topic: Image quality, 2021 International Conference on Display Technology, Beijing Online, 2021
- 홍형기, Virtual reality and Ophthalmics, The Korean Ophthalmic Optical Society and The Korean Society of Vision Science Conference abstract, 온라인, 2020
- Hyungki Hong, (Invited) Central, Peripheral and Binocular Vision, IMID 2018 ( International Meeting on Information Display), 부산 Bexco, 2018
- 강현구 홍형기, Accommodation Measurement in VR(Virtual Reality) Device of Google Cardboard Type, IDW ( International Display Workshop ) 2016, Fukuoka, 2016
- 강현구 이준혁 유인왕 홍형기, 구글카드보드 타입 가상현실기기(VR)에서 어플리케이션 종류에 따라 시기능 및 피로도에 미치는 영향, 2016년 동계 학술대회, 동신대학교, 나주, 2016
- 홍형기, (Invited, F70-3) Accommodation in 3D, IMID 2016 ( International Meeting on Information Display ), 제주, 대한민국, 2016
- 강현구,오수진,김연정,홍형, 근거리 2D 및 3D 영상 시청 전, 후의 피로도 및 시기능 변화에 대한 연구, 2016년 하계 학술대회, 대전보건대학교, 2016
- 강현구,함은규,박현범,홍형기, 스마트폰의 청광 차단 어플리케이션 및 필름의 청광 차단 효과 평가, 2016년 하계 학술대회, 대전보건대학교, 2016
- 강현구,김화종,송정빈,홍형기, 각막굴절교정수술 후 정상안과의 최대조절력, 조절용이성, 눈물막 파괴시간 비교, 2015 한국 안광학회 동계 학술대회, 서울시 안경사회 회관, 2015
- 강현구, 홍형기, 입체 시력과 파눔영역간의 연관, 한국안광학회 창립20주년 기면 학술대회, 대전 KT 인재개발연수원, 2015
- 홍형, Display where the viewer wearing the special eyeglass can see the different image that viewer of the naked eye cannot see, International Meeting on Information Display 2014, Excim Daegu, Korea, 2014
- 홍형기, 3D 영상표시장치의 평가, 한국광학회 2014년동 하계 학술발표, 제주 국제 컨벤션 센, 2014
- 홍형기, Rotation of polarization direction of linearly polarized light, irrespective of the initial polarization direction, using two layers of twisted nematic LC, 25th International Liquid Crystal Conference, University of Dublin, Ireland, 2014
Patents
- 편광 회전자 및 광학 소자, 특허 등록, 대한민국, 2016
- 특수 안경을 착용한 관찰자만 정보를 볼 수 있는 디스플레이 시스템, 특허 등록, 대한민국, 2015
- 특수 안경을 착용한 관찰자만 정보를 볼 수 있는 디스플레이 시스템, 특허 등록, 대한민국, 2015
- 3차원 입체 영상의 크로스토크 감?, 특허 등록, 대한민국, 2014
- 무안경 3차원 영상 디스플레이 평?, 특허 등록, 대한민국, 2014
Projects
- Novel method for the fast measurement of the threedimensionalrange of the eyebox of a VR device, 산학협력단, 2019.03.~2020.02.
- Effect of Outside View on Attentiveness in Using See-through type Augmented Reality Device, 산학협력단, 2018.08.~2019.07.
- 실감형 디스플레이 표준화 기반 조성, 한국산업기술평가관리원, 2018.04.~2020.12.
- Effect of 3D depth on the resolution and the observed image for auto-stereoscopicmulti-view 3D display, 산학협력단, 2018.03.~2019.02.
- 무안경 3D 시청시 최적 시청 위치, 산학협력단, 2017.11.~2018.09.
- Influence of depth and 3D crosstalk on blur in multi-view 3D displays, 산학협력단, 2017.07.~2018.06.
- 무안경 3D 측정법 개발, 엘지디스플레이 주식회사, 2016.03.~2017.03.
- 곡면형 3D의 곡면 반지름과 시청위치 분석( Analysis of the dependence of the viewing zones on the display radius in autostereoscopic 2 view displays of horizontally concave surface), 산학협력단, 2015.10.~2016.11.
- 입체 시력이 양호한 사람과 불량인 사람간의 입체시 융합 가능 영역 비교, 산학협력단, 2015.07.~2016.11.
- 영상 표시 장치 핸드북, 산학협력단, 2015.07.~2016.12.
- 3차원 디스플레이의 측정평가 기반구축, 한국산업기술평가관리원, 2014.05.~2015.04.
- 사위 검사에서 분리순간사위량과 분리안정사위량의 비교, 산학협력단, 2014.04.~2015.02.
- 자동 굴절력계의 굴절력 값과 포롭터를 이용한 처방값의 차이에 관한 연구, 산학협력단, 2014.04.~2015.02.
- 무안경 3D에 적용되는 가변 GRIN 렌즈의 수차 분석 및 감소 방안 연구, 한국연구재단, 2013.06.~2015.05.
- Active lens용 Simulation Model 개발, 엘지디스플레이 주식회사, 2013.05.~2013.11.
- 입체 영상 장비를 이용한 양안 시차 경계값 연구, 산학협력단, 2012.05.~2014.02.
- 세극등을 이용한 눈의 입체 영상 촬영 및 시청, 산학협력단, 2012.05.~2014.02.
수상
- 구글카드보드 타입 가상현실기기(VR)에서 어플리케이션 종류에 따라 시기능 및 피로도에 미치는 영향, 2016 동계 학술 대회 구연발표 경연대회 최우수상, 한국안광학회, 2016
- 스마트폰의 청광 차단 어플리케이션 및 필름의 청광 차단 효과 평가, 2016 하계 학술 대회 구연 발표 경연 대회 최우수상, 한국안광학회, 2016
Miscellaneous
Member of Korean Ophthalmic Optics Society

Member of Korean Information Display Scoiety

Member of SID ( Society for the Information Display )

IEC( International Electrotechnical Commission) TC 110/ WG6( 3D Display Device), WG12(Eyewear display) Expert
1)Co-Project leader of "IEC62629-12-1:3D Display devices-Part12-1:Measuring methods for stereoscopic displays using glasses - optical" (2009~2010)
2)Proj. leader of "IEC62629-13-1:3D DISPLAY DEVICES–Part 13-1: Visual inspection methods for stereoscopic displays using glasses"(2014~2017)
3)Proj.leader of "IEC63145-21-20 ED1 Eyewear display - Part 21-20: Measurement methods for VR type - Image quality" (2018~ )
4)Co-Convenor of WG12 (2018.10~ )