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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
    • Corrosion Resistance Improved Steel Sheet for Autmotive Muffler and Method of Producing the Steel Sheet
    • 用于自动消声器的改进的耐腐蚀钢板和生产钢板的方法
    • US20080257461A1
    • 2008-10-23
    • US12089757
    • 2006-10-25
    • Won-Ho SonJai-Ik KimSeung-Hee LeeJeong-Bong YoonHee-Man Son
    • Won-Ho SonJai-Ik KimSeung-Hee LeeJeong-Bong YoonHee-Man Son
    • C21D9/00C22C38/40
    • C22C38/02C22C38/04C22C38/06C22C38/16C22C38/42C22C38/44C22C38/48
    • Provided are a steel sheet for an automotive muffler and a method for producing the steel sheet. The steel sheet includes 0.01% by weight or less of C, 0.1 to 0.3% by weight of Si, 0.3 to 0.5% by weight of Mn, 0.015% by weight or less of P, 0.015% or less by weight of S, 0.02 to 0.05% by weight of Al, 0.004% or less of N, 0.2 to 0.6% by weight of Cu, 0.01 to 0.04% by weight of Co, and a remainder of Fe and unavoidable impurities. The method includes 0.01% by weight or less of C, 0.1 to 0.3% by weight of Si, 0.3 to 0.5% by weight of Mn, 0.015% by weight or less of P, 0.015% or less by weight of S, 0.02 to 0.05% by weight of Al, 0.004% or less of N, 0.2 to 0.6% by weight of Cu, 0.01 to 0.04% by weight of Co, and a remainder of Fe and unavoidable impurities, preparing a hot rolled steel sheet by re-heating the steel slab and by, during a finish rolling process, hot-rolling the steel slab at a temperature that is an Ar3 transformation temperature or more, preparing a cold rolled steel sheet by cold-rolling the hot rolled steel sheet with a cold reduction ratio of 50 to 90%, and performing a continuous annealing for the cold rolled steel sheet at a temperature of 500 to 900° C.
    • 本发明提供一种汽车消声器用钢板及其制造方法。 钢板包含0.01重量%以下的C,0.1〜0.3重量%的Si,0.3〜0.5重量%的Mn,0.015重量%以下的P,0.015重量%以下的S,0.02 至0.05重量%的Al,0.004重量%以下的N,0.2〜0.6重量%的Cu,0.01〜0.04重量%的Co,剩余的Fe和不可避免的杂质。 该方法包括0.01重量%以下的C,0.1〜0.3重量%的Si,0.3〜0.5重量%的Mn,0.015重量%以下的P,0.015重量%以下的S,0.02〜 0.05重量%的Al,0.004重量%以下的N,0.2〜0.6重量%的Cu,0.01〜0.04重量%的Co,剩余的Fe和不可避免的杂质,通过重新制备热轧钢板, 加热钢板,并且在精轧过程中,在Ar 3相变温度以上的温度下对钢坯进行热轧,通过冷轧来冷轧热轧钢板来制备冷轧钢板 比例为50〜90%,在500〜900℃的温度下对冷轧钢板进行连续退火。