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    • 4. 发明授权
    • Polarizing plate and display apparatus having the same
    • 具有相同的偏光板和显示装置
    • US08508696B2
    • 2013-08-13
    • US12845637
    • 2010-07-28
    • Kwang-Hyun KimKi-Chul ShinSeung-Hee LeeJi-Hoon KimSang-Jae Kim
    • Kwang-Hyun KimKi-Chul ShinSeung-Hee LeeJi-Hoon KimSang-Jae Kim
    • G02F1/1335
    • G02F1/133502G02B5/3083G02F2001/133541G02F2001/133638G02F2413/02
    • A display apparatus comprises a display panel, a first polarizing plate and a second polarizing plate. The display panel comprises a first substrate including a pixel electrode, a second substrate opposite to the first substrate, and a liquid crystal layer disposed between a first surface of the first substrate and a first surface of the second substrate. The first polarizing plate comprises a first polarizer having a first polarizing axis, and a first λ/4 phase difference plate having a refractive index between about 1.35 and about 2.05 in a thickness direction. The second polarizing plate comprises a second polarizer having a second polarizing axis crossing the first polarizing axis, and a second λ/4 phase difference plate having a refractive index between about 1.35 and about 2.05 in a thickness direction. Accordingly, light leakage in a side view may be reduced and viewing angle may be improved.
    • 显示装置包括显示面板,第一偏振片和第二偏振片。 显示面板包括:第一基板,包括像素电极,与第一基板相对的第二基板;以及液晶层,设置在第一基板的第一表面和第二基板的第一表面之间。 第一偏振板包括具有第一偏振轴的第一偏振片和厚度方向上折射率约为1.35至约2.05的第一λ/ 4相位差板。 第二偏振板包括具有与第一偏振轴交叉的第二偏振轴的第二偏振片和在厚度方向上的折射率在约1.35和约2.05之间的第二λ/ 4相位差板。 因此,可以减小侧视图中的漏光,并且可以提高视角。
    • 6. 发明申请
    • DISPLAY APPARATUS PROVIDING SIDE VIEW LUMINANCE ENHANCEMENT
    • 显示设备提供侧视图亮度增强
    • US20110043730A1
    • 2011-02-24
    • US12726056
    • 2010-03-17
    • Hee-Wook DOKi-Chul ShinKwang-Hyun KimJi-Hoon Kim
    • Hee-Wook DOKi-Chul ShinKwang-Hyun KimJi-Hoon Kim
    • G02F1/1335G02F1/13363
    • G02F1/13362G02F1/13363G02F1/1393
    • A flat panel display device is provided with an increased viewing angle having good dark versus light imaging contrast. The display device includes a display panel, a first optical unit, and a second optical unit. The display panel includes a liquid crystal layer that is driven in a vertical alignment mode. The first optical unit includes a negative C-plate and a first polarizer having a first absorption axis. The second optical unit includes a biaxial compensation plate having a refractive indices coefficient, (nx−nz)/(nx−ny) of more than 0.45 and less than 0.55, and a second polarizer having a second absorption axis crossing the first absorption axis. The biaxial compensation plate has a refractive indices relationship of nx>nz>ny such that dispersion of polarization states of colored light rays passed through the C-plate and the liquid crystal layer may be minimized and gathered about an extinction point, thereby improving contrast at side viewing angles.
    • 平板显示装置具有增强的视角,具有良好的暗对比光成像对比度。 显示装置包括显示面板,第一光学单元和第二光学单元。 显示面板包括以垂直对准模式驱动的液晶层。 第一光学单元包括负C板和具有第一吸收轴的第一偏振器。 第二光学单元包括折射率系数(nx-nz)/(nx-ny)大于0.45且小于0.55的双轴补偿板,以及具有与第一吸收轴交叉的第二吸收轴的第二偏振器。 双轴补偿板的折射率关系为nx> nz> ny,使得通过C板和液晶层的有色光的偏振态的分散可以最小化并聚集在消光点附近,从而改善了对比度 侧视角。
    • 7. 发明授权
    • Display apparatus providing side view luminance enhancement
    • 提供侧视亮度增强的显示装置
    • US08330912B2
    • 2012-12-11
    • US12726056
    • 2010-03-17
    • Hee-Wook DoKi-Chul ShinKwang-Hyun KimJi-Hoon Kim
    • Hee-Wook DoKi-Chul ShinKwang-Hyun KimJi-Hoon Kim
    • G02F1/1335
    • G02F1/13362G02F1/13363G02F1/1393
    • A flat panel display device is provided with an increased viewing angle having good dark versus light imaging contrast. The display device includes a display panel, a first optical unit, and a second optical unit. The display panel includes a liquid crystal layer that is driven in a vertical alignment mode. The first optical unit includes a negative C-plate and a first polarizer having a first absorption axis. The second optical unit includes a biaxial compensation plate having a refractive indices coefficient, (nx−nz)/(nx−ny) of more than 0.45 and less than 0.55, and a second polarizer having a second absorption axis crossing the first absorption axis. The biaxial compensation plate has a refractive indices relationship of nx>nz>ny such that dispersion of polarization states of colored light rays passed through the C-plate and the liquid crystal layer may be minimized and gathered about an extinction point, thereby improving contrast at side viewing angles.
    • 平板显示装置具有增强的视角,具有良好的暗对比光成像对比度。 显示装置包括显示面板,第一光学单元和第二光学单元。 显示面板包括以垂直对准模式驱动的液晶层。 第一光学单元包括负C板和具有第一吸收轴的第一偏振器。 第二光学单元包括折射率系数(nx-nz)/(nx-ny)大于0.45且小于0.55的双轴补偿板,以及具有与第一吸收轴交叉的第二吸收轴的第二偏振器。 双轴补偿板的折射率关系为nx> nz> ny,使得通过C板和液晶层的有色光的偏振态的分散可以最小化并聚集在消光点附近,从而改善了对比度 侧视角。
    • 8. 发明授权
    • Liquid crystal display
    • 液晶显示器
    • US08027003B2
    • 2011-09-27
    • US12368172
    • 2009-02-09
    • Hee-Wook DoKi-Chul ShinSung-Min Kang
    • Hee-Wook DoKi-Chul ShinSung-Min Kang
    • G02F1/1335
    • G02F1/1393G02F1/133371G02F1/133514G02F1/13363G02F1/133634G02F2413/02G02F2413/09G02F2413/13
    • A liquid crystal display includes a lower panel, an upper panel facing the lower panel and including a plurality of red color filters, green color filters, and blue color filters, and a liquid crystal layer interposed between the lower and upper panels. The liquid crystal layer has first, second and third cell-gap portions corresponding to the red, green and blue filters, respectively, and the first second and third cell-gap portions have cell gaps Dr, Dg and Db, respectively. A first compensation film is disposed on an outer surface of one of the lower panel or the upper panel. A lower polarizer is on the outer surface of the lower panel and an upper polarizer is on the outer surface of the upper panel. The cell gaps Dr, Dg and Db may satisfy the equation 0 μm≦Dg−Db and Dr−Dg≦0.5 μm.
    • 液晶显示器包括下面板,面对下面板的上面板,并且包括多个红色滤色器,绿色滤色器和蓝色滤色器,以及插入在下面板和上面板之间的液晶层。 液晶层具有分别对应于红色,绿色和蓝色滤色器的第一,第二和第三单元格间隙部分,并且第一第二和第三单元间隙部分分别具有单元间隙Dr,Dg和Db。 第一补偿膜设置在下面板或上面板之一的外表面上。 下偏振器在下面板的外表面上,上偏振器位于上面板的外表面上。 电池间隙Dr,Dg和Db可以满足方程式0μm≦̸ Dg-Db和Dr-Dg≦̸ 0.5μm。
    • 9. 发明申请
    • LIQUID CRYSTAL DISPLAY
    • 液晶显示器
    • US20090310069A1
    • 2009-12-17
    • US12368172
    • 2009-02-09
    • Hee-Wook DoKi-Chul ShinSung-Min Kang
    • Hee-Wook DoKi-Chul ShinSung-Min Kang
    • G02F1/1335
    • G02F1/1393G02F1/133371G02F1/133514G02F1/13363G02F1/133634G02F2413/02G02F2413/09G02F2413/13
    • A liquid crystal display includes a lower panel, an upper panel facing the lower panel and including a plurality of red color filters, green color filters, and blue color filters, and a liquid crystal layer interposed between the lower and upper panels. The liquid crystal layer has first, second and third cell-gap portions corresponding to the red, green and blue filters, respectively, and the first second and third cell-gap portions have cell gaps Dr, Dg and Db, respectively. A first compensation film is disposed on an outer surface of one of the lower panel or the upper panel. A lower polarizer is on the outer surface of the lower panel and an upper polarizer is on the outer surface of the upper panel. The cell gaps Dr, Dg and Db may satisfy the equation 0 μm≦Dg−Db and Dr−Dg≦0.5 μm.
    • 液晶显示器包括下面板,面对下面板的上面板,并且包括多个红色滤色器,绿色滤色器和蓝色滤色器,以及插入在下面板和上面板之间的液晶层。 液晶层具有分别对应于红色,绿色和蓝色滤色器的第一,第二和第三单元格间隙部分,并且第一第二和第三单元间隙部分分别具有单元间隙Dr,Dg和Db。 第一补偿膜设置在下面板或上面板之一的外表面上。 下偏振器在下面板的外表面上,上偏振器位于上面板的外表面上。 细胞间隙Dr,Dg和Db可以满足方程式0mum <= Dg-Db和Dr-Dg <= 0.5mum。