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    • 34. 发明公开
    • Filter substrate for a display device
    • Filtersubstratfüreine Anzeigevorrichtung
    • EP1925952A1
    • 2008-05-28
    • EP08003267.5
    • 2001-06-01
    • MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
    • The designation of the inventor has not yet been filed
    • G02B5/22H04N5/72C03C17/38
    • H01J29/868C03C17/007C03C17/04C03C2217/445C03C2217/452C03C2217/485C03C2218/119C03C2218/34G02B5/226H01J2229/8913H01J2329/869H01J2329/892
    • The invention provides a filter substrate for a display device having a predetermined strength without degradation in the display quality and a display device using the filter substrate. The filter substrate comprises a glass substrate and has at least one function of electromagnetic-wave shielding function, near infrared ray blocking function, and anti-reflection function, wherein the glass substrate has a thickness between 1.8 mm and 3.2 mm, an average surface compressive stress between 20 MPa and 70 MPa, and a warp ratio of 1.0% or less, wherein the surface compressive stress is produced by heating the glass substrate and then cooling it rapidly, wherein said filter substrate is provided with a masking layer for shielding visible light formed partially or entirely around the periphery thereof, and wherein said masking layer has a thickness of 35 µm or less and an optical absorbance of 3.0 or more in the visible wavelength range. The display filter substrate is arranged along the display face of the display device.
    • 本发明提供了一种具有预定强度的显示装置的过滤器基板,而不会使显示质量下降,以及使用该过滤基板的显示装置。 过滤器基板包括玻璃基板,具有电磁波屏蔽功能,近红外线阻挡功能和防反射功能的至少一个功能,其中玻璃基板的厚度为1.8mm至3.2mm,平均表面压缩 应力为20MPa〜70MPa,翘曲率为1.0%以下,其中表面压应力通过加热玻璃基板然后迅速冷却而产生,其中所述过滤器基板设置有用于屏蔽可见光的掩模层 其周边部分或全部地形成,其中所述掩模层的厚度为35μm以下,可见光波长范围的光吸收为3.0以上。 显示器过滤器基板沿着显示装置的显示面布置。