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公开(公告)号：US20230229015A1
公开(公告)日：2023-07-20
申请号：US18155693
申请日：2023-01-17
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Hyun Jin Cho , Jae Ho You , Jong Ho Hong
IPC: G02B30/25 , G02B27/00 , G02F1/1335 , G02F1/1343
CPC classification number: G02B30/25 , G02B27/0093 , G02F1/133504 , G02F1/134327
Abstract: A stereoscopic image display device includes an eye detection sensor that includes a camera that captures an image of a user's eyes, a display panel disposed on the eye detection sensor and that includes pixels, and a light modulator disposed on the display panel and that controls the path of light output from the display panel. The light modulator includes a first electrode layer, a second electrode layer that faces the first electrode layer and includes a first sub-electrode that overlaps a first area of the eye detection sensor and a second sub-electrode that does not overlap the first area but overlaps a second area of the eye detection sensor that overlaps the camera, and a liquid crystal layer disposed between the first electrode layer and the second electrode layer and that includes liquid crystal molecules.
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公开(公告)号：US11385466B2
公开(公告)日：2022-07-12
申请号：US17173819
申请日：2021-02-11
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Cheon Myeong Lee , Young Chan Kim , Jae Ho You , Min Gyeong Jo , Joo Woan Cho
IPC: G02B27/01
Abstract: A head mounted display device includes a lens assembly which changes a path of light; a main display module which outputs a main image and is positioned in front of the lens assembly; a main optical block which shields at least a portion of a light representing the main image such that the light representing the main image faces the lens assembly; a sub-display module disposed on a side of the main optical block and which outputs a sub-image; a sub-optical block positioned on the side of the main optical block and which shields at least a portion of a light representing the sub-image; and a light path converter positioned in the sub-optical block and which changes a path of the light representing the sub-image such that the light representing the sub-image faces the lens assembly.
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公开(公告)号：US09512982B2
公开(公告)日：2016-12-06
申请号：US13684732
申请日：2012-11-26
Applicant: Samsung Display Co., Ltd.
Inventor： Jae Ho You , Hyun Deok Im , Byoung Ho Cheong
IPC: G02B6/122 , F21V8/00 , F21V13/00 , G02F1/1335
CPC classification number: F21V13/00 , G02B6/0046 , G02B6/0051 , G02B6/0053 , G02B6/0065 , G02F1/133608
Abstract: A backlight assembly includes a light source unit configured to supply light, a light guide plate configured to guide light incident from the light source unit to an upper surface thereof, a reverse prism sheet disposed on the light guide plate and having a prism-shaped lower surface and an auxiliary film disposed between the light guide plate and the reverse prism sheet, in which the light guide plate includes a light-incident portion on which light is incident from the light source unit and a light-facing portion facing the light-incident portion.
Abstract translation: 背光组件包括被配置为提供光的光源单元，被配置为将从光源单元入射的光导向其上表面的导光板，布置在导光板上并具有棱镜形下部的反棱镜片 表面和配置在导光板和反向棱镜片之间的辅助膜，其中导光板包括光入射部分，光入射部分从光源单元入射到该光入射部分和面向光入射部分的面向光的部分 一部分。
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公开(公告)号：US10711972B2
公开(公告)日：2020-07-14
申请号：US15604247
申请日：2017-05-24
Applicant: Samsung Display Co., Ltd.
Inventor： Hye Sog Lee , Jae Ho You
IPC: G02B5/32 , F21V5/00 , G03H1/22 , G03H1/04 , G02F1/13357
Abstract: A backlight unit includes: a light source unit which outputs coherent light; a first reflection unit including a parabolic mirror; a second reflection unit facing the first reflection unit and including a flat mirror; and a holographic optical element which changes a path of incident light, where a reflection surface of the second reflection unit forms an acute angle with an light incident surface of the holographic optical element, and the coherent light output from the light source unit sequentially passes the first reflection unit, the second reflection unit, and the holographic optical element.
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公开(公告)号：US12044864B2
公开(公告)日：2024-07-23
申请号：US18155693
申请日：2023-01-17
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Hyun Jin Cho , Jae Ho You , Jong Ho Hong
IPC: G02B30/25 , G02B27/00 , G02F1/1335 , G02F1/1343
CPC classification number: G02B30/25 , G02B27/0093 , G02F1/133504 , G02F1/134327
Abstract: A stereoscopic image display device includes an eye detection sensor that includes a camera that captures an image of a user's eyes, a display panel disposed on the eye detection sensor and that includes pixels, and a light modulator disposed on the display panel and that controls the path of light output from the display panel. The light modulator includes a first electrode layer, a second electrode layer that faces the first electrode layer and includes a first sub-electrode that overlaps a first area of the eye detection sensor and a second sub-electrode that does not overlap the first area but overlaps a second area of the eye detection sensor that overlaps the camera, and a liquid crystal layer disposed between the first electrode layer and the second electrode layer and that includes liquid crystal molecules.
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Patent Agency Ranking
公开(公告)号：US11740462B2
公开(公告)日：2023-08-29
申请号：US16986219
申请日：2020-08-05
Applicant: Samsung Display Co., Ltd.
Inventor： Hye Sog Lee , Byung Choon Yang , Jae Ho You
CPC classification number: G02B27/0172 , G02B27/0101 , G02B27/0103 , G02B27/0916 , G02B27/0977 , G03H1/10 , G03H1/2205 , G03H1/2294 , G02B2027/0174 , G03H2001/221 , G03H2001/2207 , G03H2001/2284 , G03H2223/54 , G03H2223/55
Abstract: A holographic head-up display device includes: a light source portion that emits coherent light; an optical modulation portion that modulates the coherent light; a relay optical system that focuses the modulated light; a filter mirror that includes a reflection area disposed at a focal position of the relay optical system and reflecting light incident through the relay optical system and an absorption area disposed at the periphery of the reflection area and absorbing light incident through the relay optical system; and a transflective mirror that partially transmits and partially reflects light reflected by the filter mirror.
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公开(公告)号：US10459149B2
公开(公告)日：2019-10-29
申请号：US15984069
申请日：2018-05-18
Applicant: Samsung Display Co. Ltd.
Inventor： Hye Sog Lee , Byung Choon Yang , Jae Ho You
Abstract: A backlight unit includes: a light source unit including a point light source; and a light guide plate disposed on a path of light emitted from the light source unit, where a plurality of split patterns is defined in the light guide plate. The plurality of split patterns transmits a part of the light emitted from the light source unit and reflects a remaining part thereof, and the plurality of split patterns is concentrically arranged on the light guide plate and around the light source unit.
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公开(公告)号：US11899400B2
公开(公告)日：2024-02-13
申请号：US17308713
申请日：2021-05-05
Applicant: Samsung Display Co., LTD.
Inventor： Ji Won Lee , Jae Joong Kwon , Young Chan Kim , Jae Ho You
CPC classification number: G03H1/268 , G02B6/003 , G02B6/0036 , G02B27/0093 , G03H2222/34 , G03H2223/16 , G03H2226/05
Abstract: A display device includes a light source part including a first light source and a second light source, a collimation lens that collimates light incident from the light source part, a wave guide that guides and diffracts the light incident from the collimation lens, a spatial light modulator that modulates the light passing through the wave guide so as to form a holographic pattern for reproducing a holographic image, a focusing optical system that focuses the holographic image on a space, and a light separating plate disposed between the light source part and the collimation lens, the light separating plate separating light of the first light source and light of the second light source from each other.
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公开(公告)号：US11579476B2
公开(公告)日：2023-02-14
申请号：US17463987
申请日：2021-09-01
Applicant: Samsung Display Co., LTD.
Inventor： Jae Ho You , Jae Joong Kwon , Beom Shik Kim , Young Chan Kim , Hyun Jin Cho
IPC: G02F1/13 , G02F1/1334 , G02F1/1335
Abstract: A display device includes a display panel including a display surface having a Lambertian light emission distribution, and a viewing angle modulator disposed on the display panel. The viewing angle modulator includes a first refractive layer including a diffraction structure on a surface, a refractive index conversion layer disposed on the first refractive layer and including an electro-optical material having a refractive index that changes when a voltage is applied to the electro-optical material, and a second refractive layer disposed on the refractive index conversion layer. The refractive index conversion layer includes a base layer, and an optical structure disposed on the base layer that changes a path of light incident on a surface facing the second refractive layer.
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公开(公告)号：US10768424B2
公开(公告)日：2020-09-08
申请号：US15861525
申请日：2018-01-03
Applicant: Samsung Display Co., Ltd.
Inventor： Hye Sog Lee , Byung Choon Yang , Jae Ho You
Abstract: A holographic head-up display device has a light source portion that emits coherent light; an optical modulation portion that modulates the coherent light; a relay optical system that focuses the modulated light; a filter minor that has a reflection area at a focal position of the relay optical system and reflecting light incident through the relay optical system and an absorption area at the periphery of the reflection area and absorbing light incident through the relay optical system; and a transflective mirror that partially transmits and partially reflects light reflected by the filter minor.
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