-
1.发明授权公开(公告)号：US10146073B2
公开(公告)日：2018-12-04
申请号：US15113539
申请日：2016-05-10
发明人： Bo Hai
摘要： A measurement method for a liquid crystal azimuthal angle of a liquid crystal panel and a measurement device are disclosed. The liquid crystal panel includes an upper polarization film, a lower polarization film disposed oppositely and liquid crystal molecules disposed there between. The method includes: when absorption axes of the upper and the lower polarization films are disposed as 0 degree and 90 degrees with respect to a horizontal direction, and are perpendicular to each other, measuring a first transmittance; when absorption axes of the upper and the lower polarization films are disposed as 45 degrees and 135 degrees with respect to the horizontal direction, and are perpendicular to each other, measuring a second transmittance; calculating to obtain the liquid crystal azimuthal angle of the liquid crystal panel according to the first transmittance and second transmittance. The present invention can measure the liquid crystal azimuthal angle quickly, simply, and effectively.
-
公开(公告)号：US20160187727A1
公开(公告)日：2016-06-30
申请号：US14417521
申请日：2015-01-04
发明人： Bo Hai , Chihtsung Kang
IPC分类号： G02F1/13363
CPC分类号： G02F1/133634 , G02F2001/133637 , G02F2413/02
摘要： An LCD includes a first TAC film, a first optical uniaxial phase compensating film, an LC cell, a second optical uniaxial phase compensating film and a second TAC film from the incident surface to the emitting surface. The first optical uniaxial phase compensating film is used for providing a first compensating value and a second compensating value by adjusting thickness and by adjusting a first refractive index, a second refractive index, and a third refractive index. The second optical uniaxial phase compensating film is used for providing a third compensating value by adjusting thickness and by adjusting a fourth refractive index, a fifth refractive index, and a sixth refractive index. Leakage of light is controlled according to the first compensating value, the second compensating value, and the third compensating value in the LCD.
-
公开(公告)号：US20150177550A1
公开(公告)日：2015-06-25
申请号：US13704630
申请日：2012-09-06
发明人： Chihtsung Kang , Bo Hai
IPC分类号： G02F1/13363 , G02F1/1337 , G02F1/1335
CPC分类号： G02F1/13363 , G02F1/1336 , G02F1/133634 , G02F1/1337 , G02F1/1393 , G02F2001/133637 , G02F2001/133746 , G02F2413/02 , G02F2413/03 , G02F2413/05 , G02F2413/06 , G02F2413/11 , G02F2413/12
摘要： An LCD includes a TAC film, a PVA film, a biaxial compensation film, an LC cell, a second TAC film, a second PVA film, and a third TAC film from the incident surface to the emitting surface. The biaxial compensation film is used for providing a first retardation value and a second retardation value by adjusting thickness and by adjusting a first refractive index, a second refractive index, and a third refractive index. The second TAC film is used for providing a third retardation value by adjusting thickness and by adjusting a fourth refractive index, a fifth refractive index, and a sixth refractive index corresponding to the light in the first direction, the light in the second direction, and the light in the third direction, respectively. Leakage of light is controlled according to the first retardation value, the second retardation value, and the third retardation value in the LCD.
摘要翻译： LCD从入射表面到发射表面包括TAC膜，PVA膜，双轴补偿膜，LC单元，第二TAC膜，第二PVA膜和第三TAC膜。 双轴补偿膜用于通过调节厚度和通过调节第一折射率，第二折射率和第三折射率来提供第一延迟值和第二延迟值。 第二TAC膜用于通过调整厚度并通过调节与第一方向上的光对应的第四折射率，第五折射率和第六折射率来提供第三延迟值，第二方向上的光，以及 光分别在第三个方向。 根据LCD中的第一延迟值，第二延迟值和第三延迟值来控制光的泄漏。
-
公开(公告)号：US10527774B2
公开(公告)日：2020-01-07
申请号：US15558170
申请日：2017-07-17
发明人： Jianyu Chang , Yung-jui Lee , Yu-chun Hsiao , Sheng-Jer Chang Chien , Zanjia Su , Bo Hai
IPC分类号： G02F1/1335 , F21V8/00 , G02F1/13357
摘要： The invention provides an optical film assembly, a backlight module, and a display device. The backlight module includes a light source emitting at least a first light, a first optical film, and a second optical film laminated to the first optical film, wherein the first optical film includes a base film and a functional layer stacking up to the base film, the functional layer is a diffusion film, a brightness enhancement film, a reflection film, or a prism film, the second optical film is a light conversion layer, the light conversion layer receives the first light and converts the first light to a second light to emit, such that a light emission angle of the backlight module matches a requirement of wide viewing angle. The invention could broaden the light emitting angle of the backlight module to make the display device with the backlight module achieve wide viewing angle.
-
公开(公告)号：US09638958B2
公开(公告)日：2017-05-02
申请号：US14417538
申请日：2015-01-05
发明人： Bo Hai , Chihtsung Kang
IPC分类号： G02F1/13363 , G02F1/1335
CPC分类号： G02F1/13363 , G02F1/133528 , G02F1/133634 , G02F2001/133635 , G02F2413/04 , G02F2413/06
摘要： An LCD includes a first TAC film, a first optical uniaxial phase compensating film, an LC cell, a second optical uniaxial phase compensating film and a second TAC film from the incident surface to the emitting surface. The first optical uniaxial phase compensating film is used for providing a first compensating value and a second compensating value by adjusting thickness and by adjusting a first refractive index, a second refractive index, and a third refractive index. The second optical uniaxial phase compensating film is used for providing a third compensating value by adjusting thickness and by adjusting a fourth refractive index, a fifth refractive index, and a sixth refractive index. Leakage of light is controlled according to the first compensating value, the second compensating value, and the third compensating value in the LCD.
-
公开(公告)号：US09213200B2
公开(公告)日：2015-12-15
申请号：US13981100
申请日：2013-06-27
发明人： Chih-tsung Kang , Bo Hai
IPC分类号： G02F1/1335 , G02F1/13363
CPC分类号： G02F1/13363 , G02F1/133528 , G02F2001/133531 , G02F2001/133638 , G02F2413/02 , G02F2413/03 , G02F2413/05 , G02F2413/06 , G02F2413/12
摘要： A liquid crystal panel and a liquid crystal display are disclosed. The liquid crystal display includes a liquid crystal cell having a light incident side and a light emitting side, a first polarizer arranged on the light incident side of the liquid crystal panel, a second polarizer arranged on the light emitting side of the liquid crystal panel, and a half wave plate arranged between the first polarizer and the liquid crystal cell. An absorbing axis of the first polarizer is parallel to the absorbing axis of the second polarizer, and an angle between a slow axis of the half wave plate and the absorbing axis of the first polarizer is 45 or 135 degrees. In this way, the liquid crystal display with the two polarizers parallel to each other can be in all-black state when no voltage is applied. In addition, the contrast is greatly enhanced.
摘要翻译： 公开了液晶面板和液晶显示器。 液晶显示器包括具有光入射侧和发光侧的液晶单元，布置在液晶面板的光入射侧的第一偏振片，配置在液晶面板的发光侧的第二偏振片， 以及布置在第一偏振器和液晶单元之间的半波片。 第一偏振片的吸收轴平行于第二偏振片的吸收轴，半波片的慢轴与第一偏振片的吸收轴之间的角度为45度或135度。 以这种方式，当没有施加电压时，具有彼此平行的两个偏振器的液晶显示器可以处于全黑色状态。 此外，对比度大大提高。
-
7.发明授权公开(公告)号：US08970813B2
公开(公告)日：2015-03-03
申请号：US13697854
申请日：2012-09-28
发明人： Chih-Tsung Kang , Bo Hai
IPC分类号： G02F1/1335 , G02F1/1337 , G02F1/1333 , G02F1/13363
CPC分类号： G02F1/133362 , G02F1/133634 , G02F2001/133742 , G02F2413/04 , G02F2413/05 , G02F2413/06
摘要： The present invention provides an optical compensation film group and a method for reducing light leakage of a vertical alignment LCD using the same. For the vertical alignment LCD at a wavelength of 550 nm, an LCΔnd in the range of [305.8 nm, 324.3 nm], and a pretilt angle in the range of [85°, 90°), a compensation value Ro of an in-plane optical path difference of the biaxial compensation film is in the range of 48 nm≦Ro≦84 nm, and a compensation value Rth of an out-of-plane optical path difference of the biaxial compensation film is in the range of 160 nm≦Rth≦280 nm, and a TAC compensation film having a compensation value Rth is in the range of Y1≦Rth≦Y2. The present invention can effectively improve the serious light leakage caused by the conventional compensation structure with a single biaxial compensation film, the contrast and sharpness at the large viewing angles, and the costs.
摘要翻译： 本发明提供了一种光学补偿膜组和一种减少使用其的垂直取向LCD的漏光的方法。 对于波长为550nm的垂直取向LCD，在[305.8nm，324.3nm]的范围内的LC＆Dgr和nd以及[85°，90°]的范围内的预倾角， 双轴补偿膜的平面内的光程差在48nm＆nlE; Ro＆nlE; 84nm的范围内，双轴补偿膜的平面外的光程差的补偿值Rth在160的范围内 nm＆nlE; Rth＆nlE; 280nm，具有补偿值Rth的TAC补偿膜在Y1＆nlE; Rth＆nlE; Y2的范围内。 本发明可以有效地改善由单个双轴补偿膜传统的补偿结构引起的严重的漏光，大视角的对比度和锐度以及成本。
-
公开(公告)号：US10359559B2
公开(公告)日：2019-07-23
申请号：US15558182
申请日：2017-07-14
发明人： Jianyu Chang , Yung-jui Lee , Yu-chun Hsiao , Sheng-Jer Chang Chien , Zanjia Su , Bo Hai
IPC分类号： F21V8/00 , G02F1/13357 , G02B5/02
摘要： The invention provides an optical film assembly, a backlight module, and a display device. The backlight module includes a light source emitting at least a first light, a first optical film, and a second optical film laminated to the first optical film, wherein the first optical film includes a functional layer but does not include a base film, the functional layer is a diffusion film, a brightness enhancement film, a reflection film, or a prism film, and the second optical film is a light conversion layer, the light conversion layer receives the first light and converts the first light to at least a second light to emit, such that a light emission angle of the backlight module matches a requirement of wide viewing angle. The invention could broaden the light emitting angle of the backlight module to make the display device with the backlight module achieve wide viewing angle.
-
公开(公告)号：US10295860B2
公开(公告)日：2019-05-21
申请号：US15310705
申请日：2016-09-12
发明人： Bo Hai
IPC分类号： G02F1/1333 , G02F1/1335 , G02F1/13363 , G02B27/28 , G02B5/30
摘要： The present disclosure discloses a private display device, which comprises: a color film substrate and an array substrate provided to a box; a liquid crystal provided between the color film substrate and the array substrate; a first polarizing film provided on surface of the color film substrate facing away from the array substrate; a first quarter wave plate provided on the surface of the array substrate facing away from the color film substrate; wherein the direction of the absorption axis of the first polarizing film is different from the direction of the optical axis of the first quarter wave plate. The present disclosure also discloses a decrypted viewing device and a display system.
-
公开(公告)号：US20160187697A1
公开(公告)日：2016-06-30
申请号：US14417538
申请日：2015-01-05
发明人： Bo Hai , Chihtsung Kang
IPC分类号： G02F1/13363
CPC分类号： G02F1/13363 , G02F1/133528 , G02F1/133634 , G02F2001/133635 , G02F2413/04 , G02F2413/06
摘要： An LCD includes a first TAC film, a first optical uniaxial phase compensating film, an LC cell, a second optical uniaxial phase compensating film and a second TAC film from the incident surface to the emitting surface. The first optical uniaxial phase compensating film is used for providing a first compensating value and a second compensating value by adjusting thickness and by adjusting a first refractive index, a second refractive index, and a third refractive index. The second optical uniaxial phase compensating film is used for providing a third compensating value by adjusting thickness and by adjusting a fourth refractive index, a fifth refractive index, and a sixth refractive index. Leakage of light is controlled according to the first compensating value, the second compensating value, and the third compensating value in the LCD.
摘要翻译： LCD包括从入射表面到发射表面的第一TAC膜，第一光学单轴相位补偿膜，LC单元，第二光学单轴相位补偿膜和第二TAC膜。 第一光学单轴相位补偿膜用于通过调节厚度和通过调节第一折射率，第二折射率和第三折射率来提供第一补偿值和第二补偿值。 第二光学单轴相位补偿膜用于通过调节厚度和通过调节第四折射率，第五折射率和第六折射率来提供第三补偿值。 根据LCD中的第一补偿值，第二补偿值和第三补偿值来控制光的泄漏。
-
-
-
-
-
-
-
-
-
搜索结果
36 条记录 (耗时 0.02 秒)
