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    • 3. 发明授权
    • Transparent type liquid crystal display with plurality of light transmissive portions on reflective portions formed on both substrates
    • 透明型液晶显示器,在两个基板上形成的反射部分上具有多个透光部分
    • US06292240B1
    • 2001-09-18
    • US09520452
    • 2000-03-08
    • Hiroyuki KamiyaYukito Saitoh
    • Hiroyuki KamiyaYukito Saitoh
    • G02F11333
    • G02F1/133553
    • The present invention is to provide a novel transparent type liquid crystal display having a high contrast and transmittance that does not depend on an open area ratio without reducing a response speed. More specifically, the transparent type liquid crystal display of the present invention comprises at least a pair of first and second substrates 1 and 2 and a liquid crystal layer 3 interposed between the first and second substrates 1 and 2. A plurality of first light transmission portions 4 are formed on the first substrate 1, and a plurality of second light transmission portions 5 are formed on the second substrate 2. First reflective components 6 and second reflective components 7 are disposed on the respective main surfaces 1A and 2A of the first and second substrates 1 and 2 so that an external light entering into a transparent type liquid crystal display 20 through a plurality of first light transmission portions 4 is reflected by the first and second reflective components 6 and 7 and thereby passes through the liquid crystal layer 3 a plurality of times and then the external light exits through the second light transmission portions 5.
    • 本发明提供一种新颖的透明型液晶显示器,其具有高的对比度和透光率,其不依赖于开放面积比而不降低响应速度。 更具体地,本发明的透明型液晶显示器至少包括一对第一和第二基板1和2以及介于第一和第二基板1和2之间的液晶层3.多个第一光透射部分 4形成在第一基板1上,多个第二透光部分5形成在第二基板2上。第一反射部件6和第二反射部件7设置在第一和第二基板1的主表面1A和2A上 基板1和2,使得通过多个第一透光部分4进入透明型液晶显示器20的外部光被第一和第二反射部件6和7反射,从而通过液晶层3多个 的时间,然后外部光通过第二光透射部分5出射。
    • 5. 发明授权
    • Liquid crystal display device
    • 液晶显示装置
    • US08059240B2
    • 2011-11-15
    • US11663270
    • 2005-09-22
    • Yukito Saitoh
    • Yukito Saitoh
    • G02F1/1335
    • G02F1/13363G02F1/1393G02F2202/40G02F2413/02
    • A novel liquid crystal display device is disclosed. the device comprises a liquid crystal cell comprising a pair of substrates disposed facing each other, at least one of said pair of substrates having an electrode thereon, and a liquid crystal layer held between said pair of substrates, comprising a nematic liquid crystal material, molecules of which being oriented nearly normal to the surfaces of said pair of substrates in a black state, a first and a second polarizing films disposed while placing said liquid crystal cell in between; and at least two optically anisotropic films, each of them disposed respectively between said liquid crystal layer and each of said first and said second polarizing films, wherein, assuming thickness of said liquid crystal layer as d (nm), refractive index anisotropy of said liquid crystal layer at wavelength λ (nm) as Δn (λ), and in-plane retardation of said optical compensation film at wavelength λ as Re(λ), relations (I) to (IV) below are satisfied at least at two different wavelengths in a wavelength range from 380 nm to 780 nm: 200≦Δn(λ)×d≦1000   (I) Rth(λ)/λ=A×Δn(λ)×d/λ+B;   (II) Re(λ)/λ=C×λ/{Δn(λ)×d}+D; and   (III) 0.488≦A≦0.56, B=−0.0567, −0.041≦C≦0.016; and D=0.0939.   (IV)
    • 公开了一种新颖的液晶显示装置。 该装置包括一个液晶单元,该液晶单元包括彼此相对布置的一对基板,所述一对基板中的至少一个具有电极,以及保持在所述一对基板之间的液晶层,包括向列型液晶材料,分子 其以黑色状态定向成几乎垂直于所述一对基板的表面;第一和第二偏振膜,同时将所述液晶单元放置在其间; 和至少两个光学各向异性膜,它们分别设置在所述液晶层和所述第一和所述第二偏振膜中的每一个之间,其中,假设所述液晶层的厚度为d(nm),所述液体的折射率各向异性 在波长λ(nm)下的晶体层为&Dgr; n(λ),并且所述光学补偿膜在波长λ下的面内延迟为Re(λ),以下关系式(I)至(IV)至少满足两个 在380nm至780nm的波长范围内的不同波长:200≦̸&Dgr; n(λ)×d≦̸ 1000(I)Rth(λ)/λ= A×&Dgr; n(λ)×d /λ+ (II)Re(λ)/λ= C×λ/ {&Dgr; n(λ)×d} + D; 和(III)0.488& NlE; A& NlE; 0.56,B = -0.0567,0.041& NlE; C< D = 0.0939。 (四)
    • 7. 发明授权
    • Optical compensation film and liquid crystal display having the same
    • 光学补偿膜和具有相同的液晶显示器
    • US07755730B2
    • 2010-07-13
    • US11053442
    • 2005-02-09
    • Yukito SaitohJunichi Hirakata
    • Yukito SaitohJunichi Hirakata
    • G02F1/13363
    • G02F1/133634G02B5/3083G02F1/1393G02F2001/133637
    • A novel optical compensation film is disclosed. The optical compensation film has Re/Rth(450 nm), a ratio of Re to Rth measured at 450 nm, 0.4 to 0.95 times as large as Re/Rth(550 nm) at 550 nm, and having Re/Rth(650 nm) at 650 nm 1.05 to 1.9 times as large as Re/Rth(550 nm) at 550 nm. In the formulae, Re is in-plane retardation defined as Re={(nx−ny)×d1}; Rth is depth retardation defined as Rth=[{(nx+ny)/2−nz}×d1]; d1(nm) is a thickness of the film, nx, ny and nz are respectively mean refractive indices in the directions of x-axis, y-axis and z-axis orthogonal to each other; nx and ny are in-plane main mean refractive indices in parallel with the surface of said optical compensation film (where, ny
    • 公开了一种新颖的光学补偿膜。 光学补偿膜具有Re / Rth(450nm),在450nm处测量的Re与Rth的比值,在550nm处为Re / Rth(550nm)的0.4至0.95倍,并且具有Re / Rth(650nm) )在550nm处的Re / Rth(550nm)的1.05〜1.9倍的550nm处。 在公式中,Re是定义为Re = {(nx-ny)×d1}的面内延迟; Rth是定义为Rth = [{(nx + ny)/ 2-nz}×d1]的深度延迟; d1(nm)是薄膜的厚度,nx,ny和nz分别是彼此正交的x轴,y轴和z轴方向的平均折射率。 nx和ny是与所述光学补偿膜的表面平行的面内主要平均折射率(其中,ny