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    • 1. 发明申请
    • LIQUID CRYSTAL DISPLAY PANEL WITH IMPROVED IMAGE CONTRAST
    • 液晶显示面板与改进的图像对比度
    • WO2006092878A1
    • 2006-09-08
    • PCT/JP2005/017241
    • 2005-09-13
    • NITTO DENKO CORPORATIONLAZAREV, Pavel, I.PAUKSHTO, Michael, V.
    • LAZAREV, Pavel, I.PAUKSHTO, Michael, V.
    • G02F1/13357
    • G02F1/133536G02B6/0056G02F1/133514G02F1/13362G02F2001/133521G02F2201/17Y10T428/10
    • The present invention is directed to a liquid crystal display panel with improved image contrast. It comprises an array of pixel regions and a sequence of : a recycling backlight structure (2); a spatial intensity modulation structure; a spatial filtering structure (6). Said recycling backlight structure (2) comprises a broadband rear interference polar (RI-Polar 4). Said spatial intensity modulation structure comprises a broadband front interference polar (FI-Polar 7). The RI-Polar (4) and FI-Polar (7) are multilayer structures of stacked layers. At least one layer of each multilayer structure is optically anisotropic, and is made by means of Cascade Crystallization Process. Said layer is characterized by globally ordered biaxial crystalline structure with an intermolecular spacing of 3.4 ± 0.3 Å in the direction approximately parallel to transmission axis AB. This layer is transparent in the wavelength band of visible light, and is formed by rodlike supramolecules which represent at least on polycyclic organic compound with a conjugated π system and ionogenic groups.
    • 本发明涉及一种具有改善的图像对比度的液晶显示面板。 它包括像素区域阵列和一个循环背光结构(2)的序列; 空间强度调制结构; 空间滤波结构(6)。 所述回收背光结构(2)包括宽带后干扰极性(RI-Polar 4)。 所述空间强度调制结构包括宽带前干扰极化(FI-Polar 7)。 RI-Polar(4)和FI-Polar(7)是堆叠层的多层结构。 每个多层结构的至少一层是光学各向异性的,并且通过级联结晶法制备。 所述层的特征在于在大致平行于透射轴线AB的方向上的分子间间隔为3.4±0.3的全局有序的双轴晶体结构。 该层在可见光的波长带中是透明的,并且由棒状超分子形成,其至少表示具有共轭p系统和离子发生基团的多环有机化合物。
    • 8. 发明申请
    • NON-ABSORBING POLARIZATION COLOR FILTER AND LIQUID CRYSTAL DISPLAY INCORPORATING THE SAME
    • 不吸收偏光颜色过滤器和液晶显示器
    • WO2005106577A1
    • 2005-11-10
    • PCT/US2005/012453
    • 2005-04-12
    • OPTIVA, INC.LAZAREV, PavelPAUKSHTO, Michael, V.SILVERSTEIN, Louis, D.YEH, Pochi
    • LAZAREV, PavelPAUKSHTO, Michael, V.SILVERSTEIN, Louis, D.YEH, Pochi
    • G02F1/1347
    • G02F1/13473G02F1/133533G02F2001/133521
    • The present invention relates to the field of color filters, in particular, to a non-absorbing polarization color filters and to high-brightness color liquid crystal display panel with improved image contrast employing non-absorbing polarization color filters and light recycling among neighboring subpixels. The disclosed invention represents a non-absorbing polarization color filter comprising the following elements: a rear broadband multilayer lossless polarizer, a front broadband multilayer lossless polarizer, and a color polarization rotator. The rear broadband multilayer lossless polarizer has a predefined-oriented transmission axis AB. Said front broadband multilayer lossless polarizer is located approximately in parallel with the rear broadband multilayer lossless polarizer, and has a transmission axis approximately parallel or approximately orthogonal with respect to transmission axis AB. The color polarization rotator is located between the front broadband multilayer lossless polarizer and the rear broadband multilayer lossless polarizer. Said color polarization rotator comprises a stack of thin birefringent films with c-axes orientations alternated in sign according to a rocking angle a with respect to orientation of the transmission axis AB. A number, a rocking angle a, thicknesses and optical anisotropies of thin birefringent films are selected so, that the non-absorbing polarization color filter transmits a predetermined color light having the polarization state approximately parallel to transmission axis AB, reflects said predetermined color light having the polarization state orthogonal to the transmission axis AB, and reflects an unpolarized light of other predetermined color.
    • 本发明涉及彩色滤光片领域,特别涉及非吸收型偏振滤色镜和具有改善的图像对比度的高亮度彩色液晶显示面板,其中采用非吸收型偏振滤色器和相邻子像素之间的光循环。 所公开的发明表示一种非吸收偏振滤色镜,包括以下元件:后宽带多层无损偏振器,前宽带多层无损偏振器和彩色偏振旋转器。 后宽带多层无损偏振器具有预定义的透射轴线AB。 所述前宽带多层无损偏振器大致与后宽带多层无损偏振器平行,并且具有相对于透射轴线AB近似平行或大致正交的透射轴。 彩色偏振旋转器位于前宽带多层无损偏振片和后宽带多层无损偏振片之间。 所述彩色偏振旋转器包括一叠薄的双折射膜,其具有相对于透射轴线AB的取向的相对于摆动角度a的交替标记的c轴取向。 选择数量,摇摆角度α,薄双折射膜的厚度和光学各向异性,使得非吸收偏振滤色器透射具有大致平行于透射轴线AB的偏振态的预定色光,反射具有 与透射轴AB正交的偏振状态,并且反射其他预定颜色的非偏振光。
    • 9. 发明申请
    • NORMALLY WHITE, SUPERTWIST NEMATIC LIQUID CRYSTAL DISPLAY OF REFLECTIVE TYPE
    • 正品白色,超级反光类型的超声波液晶显示
    • WO2005017614A1
    • 2005-02-24
    • PCT/US2004/006170
    • 2004-03-01
    • OPTIVA INC.PAUKSHTO, Michael, V.PALTO, Serguei
    • PAUKSHTO, Michael, V.PALTO, Serguei
    • G02F1/139
    • G02F1/1397C09K19/0208G02F2203/02G02F2203/66
    • A normally white supertwist nematic liquid crystal display of reflective type (RSTN) is provided. This display comprises a reflector (12), a layer of chiral nematic liquid crystal (7) having a front aligning surface (6) facing a light source (1) and a rear aligning surface (8) facing the reflector, and a front polarizer (5, 19). The nematic liquid crystal has an optical retardation (Δnd) of the layer and a distribution of directors, wherein the chiral nematic liquid crystal has a twist angle (Φ) between an alignment direction (15) of the director (13) at the front aligning surface and an alignment direction (16) of the director at the rear aligning surface. The front polarizer is disposed between the layer of chiral nematic liquid crystal and the light source. The front polarizer has a transmission axis forming an angle (α) with the alignment direction of the director at the front aligning surface of the chiral nematic liquid crystal layer. The optical retardation (Δnd) and the angle (α) are defined by the following formulas: α(Φ) = sign(Φ )×(47.0 - 0.4936 |Φ| + 2.6786x10- 3 •Φ 2 ) ± 5, deg, and Δnd(Φ) = -11.674 + 0.1915×|Φ| - 9.8393x10 -4 •Φ 2 + 1.6667x10 -6 •|Φ| 3 ± 0.05, µm, for a value of the twist angle Φ in the range from 180° to 260°.
    • 提供反射型(RSTN)的通常白色超扭曲向列型液晶显示器。 该显示器包括反射器(12),具有面向光源(1)的前对准表面(6)和面向反射器的后对准表面(8)的手征向列型液晶层(7)和前偏振器 (5,19)。 向列型液晶具有该层的光学延迟(Deltand)和导向体的分布,其中手征向列型液晶在前方对准时具有在导向器(13)的取向方向(15)之间的扭转角(Phi) 表面和导向器在后对准表面处的对准方向(16)。 前偏光镜配置在手性向列型液晶层与光源之间。 前偏光镜具有与手性向列液晶层的前对准表面处的导向器的取向方向成角度(α)的透射轴。 光学延迟(Deltand)和角度(α)由下式定义:α(Phi)=符号(Phi)x(47.0-0.4936 || Phi || + 2.6786×10-3).Phi <2> )±5,deg和Deltand(Phi)= -11.674 + 0.1915x || Phi || 对于180°至260°范围内的扭转角度Phi的值, - 9.8393×10 -4 .Phi 2 + 1.6667×10 -6。|| Phi || <3>±0.05,μm 。