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    • 7. 发明公开
    • 액정표시장치
    • 液晶显示装置
    • KR1020130122896A
    • 2013-11-11
    • KR1020120113803
    • 2012-10-12
    • 엘지디스플레이 주식회사
    • 김은주황용익조은애박상대김양환
    • G02F1/1333
    • G02F1/133308G02F2001/133314G02F2201/46
    • A liquid crystal display device of the present invention prevents a twist phenomenon due to the difference of a thermal expansion coefficient by minimizing the expansion interference of an LED housing with regard to a cover bottom by moving the LED housing in a thermal expansion by additionally comprising a material whose physical properties become soft when heat is applied between a coupling unit and the LED housing and includes: a liquid crystal panel which outputs an image by forming a liquid crystal layer between a color filter substrate and an array substrate; a plurality of LED arrays which are installed on the lower side of one side of the liquid crystal panel and supplies light to the liquid crystal panel; a light guide plate which is installed in the light output direction of the LED array; the LED housing to which the LED arrays and an LED printed circuit board which drives the LED arrays are attached; a cover bottom which is arranged on the lower side of the light guide plate and is coupled to the LED housing by a plurality of first coupling units; and a material which is formed between the first coupling unit and the LED housing and moves the LED housing in the thermal expansion by the softness of the physical properties when the heat is applied. The liquid crystal display device according to the present invention stably couples the coupling unit by mechanically maintaining a vertical gap in the thickness direction of the LED housing by applying the coupling unit of a two-step structure or a vertical gap maintaining structure.
    • 本发明的液晶显示装置通过使LED壳体在热膨胀中移动来最小化LED壳体相对于盖底部的膨胀干涉来防止由于热膨胀系数的差异引起的扭曲现象,另外包括 在耦合单元和LED壳体之间施加热量时物理性质变软的材料包括:通过在滤色器基板和阵列基板之间形成液晶层来输出图像的液晶面板; 多个LED阵列,其安装在液晶面板的一侧的下侧,并向液晶面板供给光; 导光板,其安装在LED阵列的光输出方向上; 连接LED阵列的LED外壳和驱动LED阵列的LED印刷电路板; 盖底板,布置在导光板的下侧,并通过多个第一联接单元联接到LED外壳; 以及形成在第一耦合单元和LED壳体之间的材料,并且当施加热量时通过物理性质的柔软性在热膨胀中移动LED壳体。 根据本发明的液晶显示装置通过施加两步结构或垂直间隙保持结构的耦合单元,通过机械地保持LED壳体的厚度方向上的垂直间隙来稳定地耦合耦合单元。
    • 10. 发明公开
    • 액정표시장치
    • 液晶显示装置
    • KR1020130122882A
    • 2013-11-11
    • KR1020120046009
    • 2012-05-01
    • 엘지디스플레이 주식회사
    • 김양환김은주황용익조은애박상대
    • G02F1/1333
    • G02F1/133308G02F2001/133314G02F2001/133322G02F2001/133328
    • A liquid crystal display device according to the present invention prevents the thermal deformation of a backlight unit by preventing a twist phenomenon due to the difference of a thermal expansion coefficient by minimizing the expansion interference of an LED housing with regard to a cover bottom by dividing the LED housing and changing a coupling hole which is located on the outside of each divided LED housing part into a slot. The liquid crystal display device includes: a liquid crystal panel which outputs an image by forming a liquid crystal layer between a color filter substrate and an array substrate; a plurality of LED arrays which are installed on the lower side of one side of the liquid crystal panel and supply light to the liquid crystal panel; a light guide plate which is installed in the light output direction of the LED array; the LED housing to which the LED array and an LED printed circuit board for driving the LED array are attached; and the cover bottom which is arranged on the lower side of the light guide plate and is coupled to the LED housing by a plurality of coupling units. The LED housing is divided into at least two LED housing parts and the coupling hole which is located on the outside of each divided LED housing part has a slot shape.
    • 根据本发明的液晶显示装置通过防止由于热膨胀系数的差异引起的扭转现象来防止背光单元的热变形,通过将LED壳体相对于盖底部的膨胀干涉最小化, LED壳体,并将位于每个分开的LED壳体部分的外侧上的耦合孔改变成槽。 液晶显示装置包括:液晶面板,其通过在滤色器基板和阵列基板之间形成液晶层来输出图像; 多个LED阵列,其安装在液晶面板的一侧的下侧,并向液晶面板供给光; 导光板,其安装在LED阵列的光输出方向上; 连接LED阵列的LED外壳和用于驱动LED阵列的LED印刷电路板; 以及布置在导光板的下侧上的盖底部,并且通过多个联接单元联接到LED壳体。 LED壳体被分成至少两个LED壳体部分,并且位于每个分开的LED壳体部分的外侧上的耦合孔具有槽形状。