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    Backlight unit and display device having the same
    1.
    发明授权
    Backlight unit and display device having the same 有权

    公开(公告)号：US11314013B2

    公开(公告)日：2022-04-26

    申请号：US16812523

    申请日：2020-03-09

    Applicant: SAMSUNG DISPLAY CO., LTD.

    Inventor： Tae Yong Ryu ,  Do Hun Kim ,  Taek Sun Shin ,  Jae Sul An ,  Byung Seo Yoon

    IPC: F21V8/00

    Abstract: A backlight unit includes a light source array including at least one light source which emits light and a circuit board on which the light source is disposed, and a first optical layer disposed on the light source array. The first optical layer includes a first layer which defines at least one concave portion in a bottom of the first layer, where the at least one concave portion is coupled to the light source, a second layer disposed on the first layer, the second layer guiding light incident from the first layer in one direction, a plurality of optical patterns disposed on one surface of the second layer, the plurality of optical patterns selectively emitting light passing through the one surface, and a reflective layer disposed on the bottom of the first layer.

    Backlight unit and display device including the same
    2.
    发明授权
    Backlight unit and display device including the same 有权

    公开(公告)号：US11231617B2

    公开(公告)日：2022-01-25

    申请号：US17105319

    申请日：2020-11-25

    Applicant: Samsung Display Co., LTD.

    Inventor： Ji Eun Nam ,  Do Hun Kim ,  Ju Youn Son ,  Young Keun Lee

    IPC: G02F1/00 ,  G02F1/13357

    Abstract: A backlight unit includes a central area and a peripheral area disposed outside the central area, the backlight unit includes a bottom chassis, a plurality of light sources disposed on a surface of the bottom chassis, a reflective layer disposed on the surface of the bottom chassis, where a plurality of light source insertion holes and a plurality of opening patterns are defined through the reflective layer, and a light correction material layer disposed between the bottom chassis and the reflective layer in the peripheral area, where the light source insertion holes expose the light sources, respectively, and the opening patterns are disposed in the peripheral area to expose at least a portion of the light correction material layer in a thickness direction.

    Optical pattern sheet, backlight unit, and liquid crystal display having the same
    3.
    发明授权
    Optical pattern sheet, backlight unit, and liquid crystal display having the same 有权
    光学图案片，背光单元和具有该光学图案片的液晶显示器

    公开(公告)号：US09588273B2

    公开(公告)日：2017-03-07

    申请号：US14257745

    申请日：2014-04-21

    Applicant: Samsung Display Co., Ltd.

    Inventor： Hyun Hwa Song ,  Do Hun Kim ,  Dong Hoon Kim ,  Joong Hyun Kim ,  Sang Hoon Lee ,  Ji Won Lee ,  Seong Yong Hwang

    IPC: F21V8/00 ,  G02B5/02 ,  G02F1/1333 ,  G02F1/1335

    CPC classification number: G02B6/0025 ,  G02B5/0215 ,  G02B5/0242 ,  G02F1/133504 ,  G02F1/133512 ,  G02F2001/133317

    Abstract: A backlight unit including an optical pattern sheet and a liquid crystal display are provided. The backlight unit includes a light guide plate, a light source portion arranged adjacent to a side surface of the light guide plate to emit light, a mold frame having an extension portion that covers an upper portion of the light source portion and a part of an upper portion of the light guide plate, and an optical pattern sheet arranged on a lower portion of the extension portion to shade or diffuse incident light, wherein the optical pattern sheet includes a base film and an optical pattern portion positioned on the base film.

    Abstract translation: 提供了包括光学图案片和液晶显示器的背光单元。 背光单元包括导光板，邻近导光板的侧表面布置以发光的光源部，具有覆盖光源部的上部的延伸部的模框， 导光板的上部和布置在延伸部分的下部上以遮蔽或漫射入射光的光学图案片，其中光学图案片包括基膜和位于基膜上的光学图案部分。

    Optical structure and backlight unit
    4.
    发明授权
    Optical structure and backlight unit 有权
    光学结构和背光单元

    公开(公告)号：US09128215B2

    公开(公告)日：2015-09-08

    申请号：US14060851

    申请日：2013-10-23

    Applicant: Samsung Display Co., Ltd.

    Inventor： Sung-Kyu Shim ,  Kang-Woo Lee ,  In Sun Hwang ,  Do Hun Kim ,  Hyoung-Joo Kim ,  Tae Yong Ryu

    IPC: F21V3/00 ,  F21V5/00 ,  G02B3/00 ,  G02F1/1335

    CPC classification number: G02B3/00 ,  G02B3/08 ,  G02B19/0023 ,  G02B19/0061 ,  G02F1/133603 ,  G02F1/133606 ,  G02F2001/133607

    Abstract: An optical structure includes a body facing a light emitting surface of a light emitting diode package and including a portion protruding toward the light emitting surface of the light emitting diode package, where a surface of the protruding portion faces the light emitting surface and forms a reflective surface of the optical structure; and a leg elongated from a periphery of the body toward the point light source, where the leg supports the body to be spaced apart from the light emitting diode package.

    Abstract translation: 光学结构包括面向发光二极管封装的发光表面的主体，包括朝向发光二极管封装的发光表面突出的部分，其中突出部分的表面面向发光表面并形成反射 光学结构表面; 以及从身体的周边朝向点光源伸长的腿，其中腿部支撑主体与发光二极管封装物间隔开。

    Backlight unit and display device including the same
    5.
    发明授权
    Backlight unit and display device including the same 有权

    公开(公告)号：US11614656B2

    公开(公告)日：2023-03-28

    申请号：US16814437

    申请日：2020-03-10

    Applicant: Samsung Display Co., LTD.

    Inventor： Jae Sul An ,  Do Hun Kim ,  Tae Yong Ryu ,  Taek Sun Shin ,  Byung Seo Yoon ,  Ju Young Yoon

    IPC: G02F1/13357 ,  G02B5/28 ,  G02F1/1335

    Abstract: A backlight unit and a display device including the backlight unit are provided. A backlight unit includes a substrate, light sources disposed on one surface of the substrate, a first reflective film disposed on one surface of the substrate and including first openings, each of the first openings of the first reflective film exposing each of the light sources, and wavelength filter layers disposed above the first reflective film and disposed to correspond to the first openings, the wavelength filter layers are spaced apart from each other, and each of the wavelength filter layers covers at least one of the first openings.

    SHEET DISPOSED BELOW PANEL, AND DISPLAY DEVICE INCLUDING THE SAME
    6.
    发明申请
    SHEET DISPOSED BELOW PANEL, AND DISPLAY DEVICE INCLUDING THE SAME 有权

    公开(公告)号：US20230061014A1

    公开(公告)日：2023-03-02

    申请号：US17732598

    申请日：2022-04-29

    Applicant: SAMSUNG DISPLAY CO., LTD.

    Inventor： Jae-Hwan JEON ,  Byung-Gon Kum ,  Da Woon Kim ,  Do Hun Kim ,  Hyun Su Park ,  Ji Sang Seo

    IPC: H01L33/64 ,  H01L51/52 ,  B32B27/36 ,  B32B27/08 ,  B32B7/12

    Abstract: A lower sheet disposed below a display panel includes a heat radiation layer having a first side and a second side facing the first side. A first film layer is disposed on the first side of the heat radiation layer. A second film layer is disposed on the second side of the heat radiation layer. A first resin layer is disposed between the heat radiation layer and the first film layer.
    A second resin layer is disposed between the heat radiation layer and the second film layer. A sealing layer is disposed on lateral sides of the heat radiation layer. The sealing layer directly contacts an entirety of the lateral sides of the heat radiation layer, and directly contacts at least a portion of lateral sides of the first resin layer and the second resin layer.

    Composite optical sheet and liquid crystal display device including the same
    7.
    发明授权
    Composite optical sheet and liquid crystal display device including the same 有权

    公开(公告)号：US10890697B2

    公开(公告)日：2021-01-12

    申请号：US15791075

    申请日：2017-10-23

    Applicant: Samsung Display Co., Ltd.

    Inventor： Young Min Park ,  Do Hun Kim ,  Hyun Hyang Kim ,  Ji Eun Nam ,  Taek Sun Shin

    IPC: G02B5/02 ,  G02F1/1335 ,  G02B1/04 ,  G02F1/13357 ,  G02B5/30

    Abstract: Provided are a composite optical sheet and a liquid crystal display device including the same. The composite optical sheet includes: a first optical functional layer having a first surface and a second surface, the first surface including a reference plane and a pattern of recesses dented from the reference plane; a first support layer disposed on the first surface of the first optical functional layer; a first adhesive layer disposed between the first optical functional layer and the first support layer, wherein the first optical functional layer is coupled with the first adhesive layer by penetrating into the first adhesive layer at least partially; a second optical functional layer disposed on the first support layer and including a pattern of prisms extended in a first direction; a polarizing layer disposed on the second optical functional layer; and a second adhesive layer disposed between the second optical functional layer and the polarizing layer, wherein the second optical functional layer is coupled with the second adhesive layer by penetrating into the second adhesive layer at least partially.

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