The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 21, 2025
Filed:
Apr. 29, 2021
Lg Innotek Co., Ltd., Seoul, KR;
Mun Yeong Son, Seoul, KR;
Byung Sook Kim, Seoul, KR;
LG INNOTEK CO., LTD., Seoul, KR;
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 under the second substrate; an optical conversion unit arranged between the first electrode and the second electrode; and an adhesive layer between the optical conversion unit and the second electrode, wherein the optical conversion unit comprises a partitioning part and an accommodation part that are alternately arranged, a dispersion liquid for changing the transmittance of light is arranged inside the accommodation part, the dispersion liquid is arranged to be in direct contact with the bottom surface and the inner side surfaces of the accommodation part and the lower surface of the adhesive layer, a first contact angle between the dispersion liquid and the bottom surface and the inner side surfaces of the accommodation part is 20° or lower, a second contact angle between the dispersion liquid and the lower surface of the adhesive layer is 20° or lower, and the difference between the first contact angle and the second contact angle is 1° to 5°.