Title:
OPTICAL PATH CONTROL MEMBER AND DISPLAY DEVICE COMPRISING SAME
Document Type and Number:
WIPO Patent Application WO/2021/210834
Kind Code:
A1
Abstract:
An optical path control member according to an embodiment comprises: a first substrate; a first electrode arranged on the first substrate; a second substrate arranged on the first substrate; a second electrode arranged beneath the second substrate; and a light conversion unit arranged between the first electrode and the second electrode, wherein the light conversion unit comprises a partition part and an accommodation part alternately arranged, the accommodation part includes a dispersion liquid and light conversion particles dispersed in the dispersion liquid, the accommodation part operates in a public mode or a privacy mode according to whether a voltage is applied, a first voltage is applied when changing from the privacy mode to the public mode, a second voltage and a third voltage are applied when changing from the public mode to the privacy mode, and the second voltage and/or the third voltage include a pulse voltage.
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Inventors:
LEE IN HAE (KR)
JU CHAN MI (KR)
KIM BYUNG SOOK (KR)
JU CHAN MI (KR)
KIM BYUNG SOOK (KR)
Application Number:
PCT/KR2021/004249
Publication Date:
October 21, 2021
Filing Date:
April 06, 2021
Export Citation:
Assignee:
LG INNOTEK CO LTD (KR)
International Classes:
G02B26/08; G02F1/1335; G02F1/167; G02F1/1675
Domestic Patent References:
| WO2014142589A1 | 2014-09-18 |
Foreign References:
| KR20090054278A | 2009-05-29 | |||
| KR20190050370A | 2019-05-13 | |||
| US20140139501A1 | 2014-05-22 | |||
| KR20190078831A | 2019-07-05 |
Attorney, Agent or Firm:
HAW, Yong Noke (KR)
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