Lg Innotek Co., Ltd.

Mun Yeong Son

Byung Sook Kim

Jin Gyeong Park

Jin Mi Noh

Hyeon Ji Hong

Jun Taek Lee

Won Jin Kim

Jong Sik Lee

Ju Yeon Won

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.

Light route control member and display device comprising same

An optical path control member, according to one embodiment, comprises: a first substrate; a first electrode disposed on the first substrate; a second substrate disposed on the first substrate; a second electrode disposed under the second substrate; and a light conversion unit disposed between the first electrode and the second electrode, wherein the light conversion unit comprises a resin composition, the resin composition comprising an oligomer, a monomer, a photoinitiator and an additive, wherein the molecular weight of the monomer is at most 600 g/mol.

Optical path control member and display device comprising same

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°.

A light path control member according to an embodiment comprises: a first substrate; a first electrode disposed on the first substrate; a second substrate disposed on the first substrate; a second electrode disposed under the second substrate; and a light conversion part disposed between the first electrode and the second electrode, wherein: the light conversion part includes a plurality of partition wall portions and a plurality of receiving portions which are alternately arranged; a light conversion material comprising a dispersion and multiple light conversion particles dispersed in the dispersion is disposed in the receiving portions; and the dispersion comprises a material having a carbon number of 2 to 13.

Light path control member and display device comprising same

An optical path control member according to an embodiment comprises: a first substrate; a first electrode disposed on the first substrate; a second substrate disposed on the first substrate; a second electrode disposed below the second substrate; and a light conversion unit disposed between the first electrode and the second electrode, wherein: the light conversion unit includes a partition wall portion, an accommodation portion, and a base portion; a light converting material including a dispersion liquid, light converting particles, and a dispersing agent is arranged in the accommodation portion; and the dispersing agent includes a nonionic dispersing agent.

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Seoul, South Korea

Mun Yeong Son