Backlight unit and display device having the same

    公开(公告)号:US11314013B2

    公开(公告)日:2022-04-26

    申请号:US16812523

    申请日:2020-03-09

    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

    公开(公告)号:US11614656B2

    公开(公告)日:2023-03-28

    申请号:US16814437

    申请日:2020-03-10

    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.

    Composite optical sheet and liquid crystal display device including the same

    公开(公告)号:US10890697B2

    公开(公告)日:2021-01-12

    申请号:US15791075

    申请日:2017-10-23

    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.

    Backlight unit and liquid crystal display comprising the same
    8.
    发明授权
    Backlight unit and liquid crystal display comprising the same 有权
    背光单元和包括其的液晶显示器

    公开(公告)号:US09341764B2

    公开(公告)日:2016-05-17

    申请号:US14478883

    申请日:2014-09-05

    Abstract: Provided are a backlight unit and a liquid crystal display including the backlight unit. The backlight unit includes a light emitting package, and a light guide plate disposed at one side of the light emitting package. The light emitting package includes a printed circuit board including first regions that are spaced an interval apart from each other and second regions defined between the first regions, light source units disposed on the first regions of the printed circuit board, dummy wiring patterns disposed on the second regions of the printed circuit board, and wiring patterns disposed on the printed circuit board and electrically connected to the light source units.

    Abstract translation: 提供背光单元和包括背光单元的液晶显示器。 背光单元包括发光封装和布置在发光封装的一侧的导光板。 发光封装包括印刷电路板,其包括彼此间隔开的间隔的第一区域和限定在第一区域之间的第二区域,布置在印刷电路板的第一区域上的光源单元,设置在印刷电路板上的虚设布线图案 印刷电路板的第二区域以及设置在印刷电路板上并电连接到光源单元的布线图案。

    Light guide plate, method of manufacturing the same, and liquid crystal display device including the same
    9.
    发明授权
    Light guide plate, method of manufacturing the same, and liquid crystal display device including the same 有权
    导光板及其制造方法以及包括该导光板的液晶显示装置

    公开(公告)号:US08684586B2

    公开(公告)日:2014-04-01

    申请号:US14022697

    申请日:2013-09-10

    Abstract: A light guide plate includes a light incident surface to which light is incident as incident light, an opposite surface formed opposite to the light incident surface, a light emitting surface through which the incident light is emitted, a rear surface formed opposite to the light emitting surface and including a prism pattern which reflects the incident light to the light emitting surface, and lateral surfaces, wherein a diffuse reflection pattern is formed on at least any one of the light emitting surface and the lateral surfaces to diffuse-reflect light incident to the lateral surfaces, thus rendering a brightness at both the opposite surface and the light incident surface substantially uniform.

    Abstract translation: 导光板包括作为入射光入射的光的入射面,与光入射面相反形成的相对面,入射光通过该发光面发射的发光面,与发光的相反侧的后表面 并且包括将入射光反射到发光表面的棱镜图案和侧表面,其中在发光表面和侧表面中的至少任一个上形成漫反射图案以漫反射入射到 从而使相对表面和光入射表面的亮度基本均匀。

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