摘要:
A vertically aligned liquid crystal display (VA-LCD) according to one embodiment has liquid crystal cells in which liquid crystals with a negative dielectric anisotropy are filled and which is provided between a first polarizer and a second polarizer, whose absorption axes are perpendicular to each other. The VA-LCD includes a sheet of +A plate and a sheet of −C plate, disposed between the first polarizer and the liquid crystal cells, and a sheet of +A plate disposed between the second polarizer and the liquid crystal cells, where an optical axis of the +A plate near the first polarizer is perpendicular to the absorption axis of the first polarizer, and an optical axis of the +A plate near the second polarizer is parallel with the absorption axis of the second polarizer, and where a thickness retardation value of the −C plate is in the range of −500 nm to −30 nm for a wavelength of 550 nm.
摘要:
Disclosed is an in-plane switching liquid crystal display. The in-plane switching liquid crystal display uses at least one A-plate and adjusts the optical axis direction and the retardation value of the A-plate, thereby improving the contrast characteristic at a front and at a predetermined inclination angle of the in-plane switching liquid crystal display while minimizing a color shift according to viewing angles in the black state.
摘要:
This invention provides a vertically aligned liquid crystal display, including a first polarizing plate and a second polarizing plate having absorption axes perpendicular to each other and a vertically aligned panel provided therebetween and including vertically aligned liquid crystals having negative dielectric anisotropy, in which a +A-film and a +C-film are provided between the first polarizing plate and the vertically aligned panel, the +C-film is positioned between the first polarizing plate and the +A-film, and the optic axis of the +A-film is parallel to or perpendicular to the absorption axis of the first polarizing plate. According to this invention, the contrast of the vertically aligned liquid crystal display can be improved at surface-facing angle and tilt angle thereof and the color shift depending on the viewing angle in a dark state can be minimized, thus greatly increasing the viewing angle range of the vertically aligned liquid crystal display.
摘要翻译:本发明提供了一种垂直排列的液晶显示器,包括第一偏振板和具有彼此垂直的吸收轴的第二偏振片和设置在其间的垂直排列的面板,并且包括具有负介电各向异性的垂直取向的液晶,其中+ A 薄膜和+ C薄膜设置在第一偏振片和垂直取向的面板之间,+ C薄膜位于第一偏振片和+ A膜之间,并且+ A膜的光轴 平行于或垂直于第一偏振板的吸收轴。 根据本发明,可以提高垂直取向的液晶显示器的面对角度和倾斜角度的对比度,并且可以将根据暗态的视角的颜色偏移最小化,从而大大增加视角范围 的垂直取向的液晶显示器。
摘要:
The present invention relates to a vertically aligned LCD (VA-LCD) comprising a positive compensation film including one or more of a first retardation film (+A-plate) satisfying the condition of nx>ny=nz and a second retardation film (−C-plate) satisfying the condition of nx=ny>nz, wherein the first retardation film is arranged such that its optical axis is perpendicular to an optical absorption axis of a neighboring polarizing plate, and a total thickness retardation (R−C+RVA) including the thickness retardation of the second retardation film and the thickness retardation of a VA-panel has a positive value in then range of 50-150 nm. The VA-LCD in accordance with the present invention improves contrast characteristics on a front surface and at a tilt angle and minimizes coloring in a black state according to the tilt angle.
摘要翻译:本发明涉及一种垂直排列的液晶显示器(VA-LCD),它包括一个正补偿膜,该正补偿膜包括一个或多个第一延迟膜(+ A板),满足条件为n 以及满足条件为n×n×n×n的第二相位差片(-C板) 其中所述第一延迟膜被布置为使得其光轴垂直于相邻偏振片的光吸收轴,并且总厚度延迟(R SUB -C < 包括第二延迟膜的厚度延迟和VA面板的厚度延迟的厚度的平均值在50-150nm的范围内具有正值。 根据本发明的VA-LCD改善了前表面和倾斜角的对比度特性,并根据倾斜角使黑色状态下的着色最小化。
摘要:
Provided are a vertically aligned liquid crystal display (VA-LCD) with good viewing angle characteristics, which has liquid crystals with negative dielectric anisotropy (Δε
摘要:
An optical film, a circular polarizing plate, and a display device are provided. The optical film may exhibit a desired phase retardation property in a wide wavelength range even when it is relatively thin. The optical film may exhibit the ¼ wavelength phase retardation property. The optical film may be manufactured by a simple process. The optical film may be used in LCDs such as a reflective LCD, or OLEDs.
摘要:
Provided is an optical filter and a display device. The illustrative optical filter may be applied to a stereoscopic image display device so that the stereoscopic image display device can display a 3D image at a wide viewing angle without loss of brightness.
摘要:
Provided are a display device, a film for controlling a viewing angle and an optical filter. An illustrative display device may include a display element, the film for controlling the viewing angle and a polarization control element. The display device may be a three-dimensional (3D) display device. When the illustrative display device, film for controlling a viewing angle or optical filter is used, a 3D image may be observed at a wide viewing angle without loss of brightness.
摘要:
An optical film, a polarizing plate and a display device are provided. The optical film can have desired phase retardation at a wide wavelength range, and also show no light leakage at an inclination angle. Also, the optical film can have ¼-wavelength phase retardation, and can be used for reflective or semi-transmissive/reflective liquid crystal display devices or organic light-emitting devices.
摘要:
A stereoscopic image display device (hereinafter, referred to as a “3D device”) and polarizing glasses are provided. According to the 3D device and polarizing glasses, a three-dimensional image having excellent crosstalk ratio and color characteristics can be observed.