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公开(公告)号:US20230176406A1
公开(公告)日:2023-06-08
申请号:US17995256
申请日:2021-04-06
Applicant: LG INNOTEK CO., LTD.
Inventor: In Hae LEE , Chan Mi JU , Byung Sook KIM
IPC: G02F1/13 , G02F1/1339 , G02F1/137 , G02F1/1685 , G02F1/1679 , G02F1/167
CPC classification number: G02F1/1323 , G02F1/13394 , G02F1/137 , G02F1/1685 , G02F1/1679 , G02F1/167 , G02F2201/44
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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公开(公告)号:US20230161187A1
公开(公告)日:2023-05-25
申请号:US17921223
申请日:2021-04-15
Applicant: LG INNOTEK CO., LTD.
Inventor: In Hae LEE , Won Seok CHOI , Chan Mi JU
IPC: G02F1/13 , G02F1/1676 , G02F1/1679 , G02F1/1339 , G02F1/137 , G02F1/1685 , G02F1/167
CPC classification number: G02F1/1323 , G02F1/1676 , G02F1/1679 , G02F1/13394 , G02F1/137 , G02F1/1685 , G02F1/167 , G02F2201/07 , G02F2202/28 , G02F2201/44
Abstract: 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 under the second substrate; and a light conversion part disposed between the first electrode and the second electrode, wherein: each of the first substrate and the second substrate includes a first direction, a second direction different from the first direction, and a third direction defined as a thickness-direction of the first substrate and the second substrate; the light conversion part includes a partition wall part and a reception part alternately arranged; and the reception part has a light transmittance changing according to application of a voltage, extends in a fourth direction, and has a lower surface inclined at an acute angle with respect to one side surface of the first substrate.
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公开(公告)号:US20240094591A1
公开(公告)日:2024-03-21
申请号:US17754681
申请日:2020-09-21
Applicant: LG INNOTEK CO., LTD.
Inventor: Jong Sik LEE , Byung Sook KIM , Jin Gyeong PARK , In Hae LEE , Young Ju HAN
IPC: G02F1/167 , G02B5/20 , G02B26/08 , G02F1/1335
CPC classification number: G02F1/167 , G02B5/206 , G02B26/08 , G02F1/1335
Abstract: An optical path control member according to an embodiment comprises: a first substrate; a first electrode provided on the upper portion of the first substrate; a second substrate provided on the first substrate; a second electrode provided on the lower portion of the second substrate; and an optical conversion unit provided between the first electrode and the second electrode, wherein the optical conversion unit comprises partition wall parts and accommodation parts which are alternately arranged. The accommodation parts have a light transmission rate that varies according to the application of a voltage, and the accommodation parts comprise a plurality of unit accommodation cells spaced apart from each other, and comprises a dispersion and light-absorbing particles which are dispersed in the dispersion. The light-absorbing particles comprise first particles and second particles, wherein the diameter of the first particles is greater than that of the second particles, and the surfaces of the first particles and the surfaces of the second particles are charged with the same polarity.
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公开(公告)号:US20230341742A1
公开(公告)日:2023-10-26
申请号:US18043812
申请日:2021-09-03
Applicant: LG INNOTEK CO., LTD.
Inventor: In Hae LEE , Chan Mi JU , Hyeon Ji HONG , Jun LEE , Gyu Lin LEE , Beom Sun HONG
IPC: G02F1/167 , G02F1/1681 , G06F3/041 , G02F1/13
CPC classification number: G02F1/1681 , G02F1/1323 , G02F1/167 , G06F3/041
Abstract: 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 comprises a plurality of partition wall portions, a plurality of receiving portions, and a base portion; a light conversion material is disposed in the receiving portions; the light conversion part includes a first sealing portion which seals the light conversion material; the first sealing portion extends in a direction from one end to the other end thereof; and the other end of the first sealing portion is arranged to extend into the inner area of the receiving portions.
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公开(公告)号:US20250133943A1
公开(公告)日:2025-04-24
申请号:US18730525
申请日:2023-01-11
Applicant: LG INNOTEK CO., LTD.
Inventor: In Hae LEE , Seung Jin KIM , Byung Sook KIM
IPC: H10K59/80 , G02F1/1335 , G02F1/1343 , H10K102/10
Abstract: A light path control member according to an embodiment includes 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 and including a receiving part for receiving a light conversion material, and wherein the first electrode and the second electrode include different materials.
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公开(公告)号:US20230194917A1
公开(公告)日:2023-06-22
申请号:US17923484
申请日:2021-04-15
Applicant: LG INNOTEK CO., LTD.
Inventor: Hyeon Ji HONG , In Hae LEE
IPC: G02F1/1335 , G02F1/1334
CPC classification number: G02F1/133512 , G02F1/133519 , G02F1/1334
Abstract: An optical path control member according to an embodiment comprises an adhesive layer disposed between a second electrode and a light conversion part, wherein: the light conversion part includes a partition wall part and a reception part alternately arranged; the partition wall part includes a first area from the upper surface of the partition wall part up to 30 μm in a direction toward the first substrate, a third area from the lower surface of the partition wall part up to 30 μm in a direction toward the second substrate, and a second area provided between the first area and the third area; and Si measured by XPS in the first area corresponds to 2 at % or less.
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公开(公告)号:US20230044139A1
公开(公告)日:2023-02-09
申请号:US17758618
申请日:2021-01-08
Applicant: LG INNOTEK CO., LTD.
Inventor: In Hae LEE , Byung Sook KIM , Chan Mi JU , Young Ju HAN
IPC: G02F1/167 , G02F1/1676 , G02F1/1333 , C09J7/10 , C09J7/38
Abstract: 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; a light conversion part disposed between the first electrode and the second electrode; and an adhesive layer disposed between the second electrode and the light conversion part, wherein the light conversion part comprises alternately disposed partition wall portions and accommodating portions, the accommodating portions comprise a dispersion and a plurality of light absorbing particles disposed in the dispersion, and the log volume resistivity of the adhesive layer is 9 Ω·cm to 15 Ω·cm.
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公开(公告)号:US20240411201A1
公开(公告)日:2024-12-12
申请号:US18699119
申请日:2022-09-30
Applicant: LG INNOTEK CO., LTD.
Inventor: In Hae LEE , Mun Yeong SON
IPC: G02F1/29
Abstract: An optical path control member, according to one 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; a light conversion unit arranged between the first electrode and the second electrode; and a buffer layer arranged between the first electrode and the light conversion unit, wherein the buffer layer has a thickness of 0.1 μm or less.
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公开(公告)号:US20240085736A1
公开(公告)日:2024-03-14
申请号:US17754762
申请日:2020-09-22
Applicant: LG INNOTEK CO., LTD.
Inventor: In Hae LEE , Young Ju HAN , Byung Sook KIM , Kweon Jin LEE , Jun Sik SHIN
IPC: G02F1/1335 , G02F1/1681 , H10K59/80
CPC classification number: G02F1/133524 , G02F1/133512 , G02F1/133514 , G02F1/1681 , H10K59/8791
Abstract: An optical path control member according to an embodiment comprises: a first substrate; a first electrode arranged on the upper surface of the first substrate; a second substrate arranged on top of the first substrate; a second electrode arranged on the lower surface of the second substrate; and an optical conversion unit which is arranged between the first electrode and the second electrode and which defines a first direction and a second direction, wherein the optical conversion unit comprises a partition part and an accommodation part that are alternately arranged in the first direction, the accommodation part includes a plurality of cells arranged to be spaced in the second direction, at least one of the cells includes a first inner side surface and a second inner side surface that are connected to each other, and the first inner side surface and/or the second inner side surface extends in a direction other than the first and second directions.
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公开(公告)号:US20230045017A1
公开(公告)日:2023-02-09
申请号:US17758858
申请日:2021-01-12
Applicant: LG INNOTEK CO., LTD.
Inventor: Young Ju HAN , In Hae LEE , Byung Sook KIM
IPC: G02F1/137 , G02F1/1676
Abstract: 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 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 and an accommodation part that are arranged alternately, the accommodation part changes in light transmittance according to the application of voltage, the accommodation part includes a dispersion liquid and light conversion particles dispersed in the dispersion liquid, the contact surface between the partition wall and the accommodation part is inclined at an inclination angle with respect to a reference axis perpendicular to the upper surface of the first substrate, and the inclination angle is 1° to 10°.
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