Title:
OPTICAL PATH CONTROL MEMBER AND DISPLAY DEVICE COMPRISING SAME
Document Type and Number:
WIPO Patent Application WO/2021/054656
Kind Code:
A1
Abstract:
An optical path control member, according to an embodiment, comprises: a first substrate; a first electrode disposed on an upper surface of the first substrate; a second substrate disposed on the first substrate; a second electrode disposed on a lower surface of the second substrate; and an optical conversion unit disposed between the first electrode and the second electrode, wherein the optical conversion unit includes partition wall parts and accommodation parts which are alternately disposed, the accommodation parts have a light transmission rate that varies according to the application of voltage, and comprise dispersion liquids and optical conversion particles dispersed in the dispersion liquids, the optical conversion particles include first particles and second particles, each of the second particles has a hollow formed therein, and each surface of the first particles and each surface of the second particles are charged with the same polarity.
Inventors:
SON MUN YEONG (KR)
KIM BYUNG SOOK (KR)
PARK JIN GYEONG (KR)
LEE JONG SIK (KR)
KIM BYUNG SOOK (KR)
PARK JIN GYEONG (KR)
LEE JONG SIK (KR)
Application Number:
PCT/KR2020/011848
Publication Date:
March 25, 2021
Filing Date:
September 03, 2020
Export Citation:
Assignee:
LG INNOTEK CO LTD (KR)
International Classes:
G02B26/08; G02B5/30; G02F1/1335; G02F1/167; G02F1/1675; H01L27/32
Foreign References:
| KR20130078426A | 2013-07-10 | |||
| KR20130078440A | 2013-07-10 | |||
| KR20130063972A | 2013-06-17 | |||
| KR20130002257A | 2013-01-07 | |||
| EP1662305A2 | 2006-05-31 |
Attorney, Agent or Firm:
HAW, Yong Noke (KR)
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