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    • 2. 发明授权
    • Transmissive liquid crystal cell with trench capacitor
    • 带沟槽电容器的透射式液晶单元
    • US6014189A
    • 2000-01-11
    • US749746
    • 1996-11-15
    • Russell Alan BuddGeorge Liang-Tai ChiuDale Jonathan Pearson
    • Russell Alan BuddGeorge Liang-Tai ChiuDale Jonathan Pearson
    • G02F1/1362G02F1/1343
    • G02F1/136213G02F1/136286
    • An apparatus and method for providing a display cell structure based on the transmissive liquid crystal technology with a useful aperture ratio even as the cell size shrinks to less than 20 microns. The invention overcomes a problem of the prior art wherein the fractional area transmitting the light of the conventional designs becomes unacceptably low due to the aperture reducing opaque storage capacitor. This reduction in aperture ratio is removed in this invention by hiding the trench capacitor below the row and column x,y lines. The cell storage capacitor is formed using a vertical trench capacitor in SOI. Although useful even in standard display sizes and configurations, the invention is particularly useful for head-mounted displays and/or optical projection displays at the UXGA form factor for both monochromatic and color displays. Alternate capacitor configurations are described.
    • 一种用于提供基于透射型液晶技术的显示单元结构的装置和方法,其具有有用孔径比,即使单元尺寸缩小到小于20微米。 本发明克服了现有技术的问题,其中透射传统设计的光的分数区域由于减小不透明存储电容器的孔径而变得不可接受地低。 在本发明中通过将沟槽电容器隐藏在行和列x,y线下方来消除开口率的减小。 在SOI中使用垂直沟槽电容器形成电池存储电容器。 尽管在标准显示器尺寸和配置中也是有用的,但本发明对于单色和彩色显示器的UXGA外形尺寸下的头戴式显示器和/或光学投影显示器特别有用。 描述备用电容器配置。
    • 4. 发明授权
    • Transmissive cell for ultra small pixel applications
    • 用于超小像素应用的透射单元
    • US5999234A
    • 1999-12-07
    • US834183
    • 1997-04-15
    • Russell Alan BuddGeorge Liang-Tai ChiuDale Jonathan Pearson
    • Russell Alan BuddGeorge Liang-Tai ChiuDale Jonathan Pearson
    • G02F1/1334G02F1/1343G02F1/1362
    • G02F1/134363G02F1/1334G02F1/136213G02F2001/13347
    • A method and structure is presented for a display with reduced size pixels while retaining the transmissive approach. This enables continued use the least expensive transmission optics available. In an embodiment, it employs back-end-of-the-line vertical cells built on top of the row and column x, y lines of the pixels. In a PDLC type display embodiment each vertical cell is filled with PDLC which operates in a normally black mode known as the PDLC reverse mode. When the pixel control voltage is set ON, the liquid crystal is perpendicular to the light path resulting in a light pass through providing a bright state. When the control voltage is set OFF, the liquid crystals are randomly oriented, only the scattered light goes through the cell, so the pixel is in its OFF state. PDLC used here has two advantages. Firstly, the PDLC requires no rubbing. It is difficult to rub individual cell walls. Secondly, the use of both polarizations by the PDLC increases its luminous efficiency. Various embodiments are described for implementing vertical active electrodes and common ground electrodes. Advantages are described for employing the vertical electrodes with various implementations of a hidden storage capacitor.
    • 为保持透射方式的像素尺寸减小的显示器提供了一种方法和结构。 这使得可以继续使用可用的最便宜的传输光学器件。 在一个实施例中,它使用构建在像素的行和列x,y行的顶部上的后端行垂直单元。 在PDLC型显示实施例中,每个垂直单元填充有PDLC,PDLC以常规黑模式工作,称为PDLC反向模式。 当像素控制电压设置为ON时,液晶垂直于光路,导致光通过,提供亮状态。 当控制电压设定为OFF时,液晶随机取向,只有散射光通过电池,因此像素处于关闭状态。 这里使用的PDLC有两个优点。 首先,PDLC不需要摩擦。 难以擦拭单个细胞壁。 其次,通过PDLC的两极化的使用增加了发光效率。 描述了用于实现垂直有源电极和公共接地电极的各种实施例。 描述了采用具有隐藏存储电容器的各种实施方式的垂直电极的优点。
    • 6. 发明申请
    • Multipath Soldered Thermal Interface Between a Chip and its Heat Sink
    • 芯片与散热片之间的多路焊接热接口
    • US20080274349A1
    • 2008-11-06
    • US12172778
    • 2008-07-14
    • George Liang-Tai ChiuSung-Kwon Kang
    • George Liang-Tai ChiuSung-Kwon Kang
    • B32B5/16B23K1/20H05K7/20
    • H01L23/3737H01L24/29H01L24/83H01L2224/2929H01L2224/29347H01L2224/294H01L2224/32245H01L2224/8385H01L2924/14Y10T428/254H01L2924/00014H01L2924/014H01L2924/00
    • The invention comprises a process for joining a first surface and a second surface where the first surface comprises an initially non-solderable surface which comprises coating the first surface with a solder-adhesion layer to produce a solder-adhesion layer on the first surface and providing a Thermal Interface Material (“TIM”) composition comprising solderable heat-conducting particles in a bondable resin matrix where at least some of the solderable heat-conducting particles comprise a solder surface. The TIM composition is placed between the first surface and the second surface to extend between and be contiguous with both the second surface and the solder-adhesion layer on the first surface. Sufficiently heating the TIM composition results in (a) soldering at least some of the solderable heat-conducting particles to one another; and (b) soldering at least some of the solderable heat-conducting particles to the solder-adhesion layer on the first surface. When the second surface comprises a solderable surface, the particles will also bond to it. When the second surface is not solderable, a solder adhesion layer can be placed on it. The process also includes adhesively bonding the resin matrix to the first surface and the second surface. The first surface can comprise an electronic device such as a semiconductor device and the second surface can comprise a heat sink, such as a solderable heat sink. The invention also comprises a process for improving the heat conductivity of a TIM, an article of manufacture made by the process, and a composition of matter comprising the TIM.
    • 本发明包括用于接合第一表面和第二表面的方法,其中第一表面包括最初不可焊接的表面,其包括用焊料粘附层涂覆第一表面以在第一表面上产生焊料粘附层,并提供 一种热粘合材料(“TIM”)组合物,其包含可粘合的树脂基体中的可焊接导热颗粒,其中至少一些可焊接导热颗粒包含焊料表面。 TIM组合物被放置在第一表面和第二表面之间,以在第一表面上与第二表面和焊料粘附层两者之间延伸并与之邻接。 足够加热TIM组合物导致(a)将至少一些可焊接导热颗粒彼此焊接; 和(b)将至少一些可焊接导热颗粒焊接到第一表面上的焊料粘附层。 当第二表面包括可焊接表面时,颗粒也将结合到其上。 当第二表面不可焊接时,可以在其上放置焊料粘附层。 该方法还包括将树脂基体粘合到第一表面和第二表面上。 第一表面可以包括诸如半导体器件的电子器件,并且第二表面可以包括诸如可焊接散热器的散热器。 本发明还包括用于改善TIM的导热性,由该方法制造的制品以及包含该TIM的物质组成的方法。
    • 10. 发明授权
    • Method and apparatus for integrating microlens array into a liquid
crystal display device using a sacrificial substrate
    • 使用牺牲基板将微透镜阵列集成到液晶显示装置中的方法和装置
    • US5929962A
    • 1999-07-27
    • US17867
    • 1998-02-03
    • George Liang-Tai ChiuFuad Elias DoanyRama Nand Singh
    • George Liang-Tai ChiuFuad Elias DoanyRama Nand Singh
    • G02F1/1335G02F1/13G02F1/1333
    • G02F1/133526
    • A method and apparatus is presented for transmissive liquid crystal display devices with increased apparent aperture ratios. The aperture ratio is increased by focusing light into the transparent area using a microlens array on a per pixel basis. The method includes the steps of forming a top substrate having a sacrificial substrate adhered to a first transmissive substrate, a transmissive electrode layer adhered to the first transmissive substrate in which a plurality of color filters are disposed, the top substrate further having a rubbing layer formed proximate to the transmissive electrode layer. Forming a bottom substrate comprising a second transmissive substrate and a thin film transistor array disposed within the second transmissive substrate. Disposing a sealing material on one of the top or bottom substrates so as to form an outline of display. Aligning and assembling the top and bottom substrates together such that the sealing material is sandwiched between the top and bottom substrates which are maintained at a constant separation of a few microns uniformly across the display with the help of spacer balls or posts and the rubbing layer is proximate to the thin film transistor array. Releasing the sacrificial substrate from the first transmissive substrate and adhering a microlens array to the first transmissive substrate. Lastly, filling the outline of sealing material with liquid crystal material and sealing the liquid crystal material. Also provided is an apparatus for carrying out the method of the present invention.
    • 本发明提供了一种具有增加的视在孔径比的透射型液晶显示装置的方法和装置。 通过在每像素的基础上使用微透镜阵列将光聚焦到透明区域来增加孔径比。 该方法包括以下步骤:形成具有粘附到第一透射基板的牺牲基板的顶部基板,附着到其上设置有多个滤色器的第一透射基板的透射电极层,顶部基板还具有形成的摩擦层 靠近透射电极层。 形成底部衬底,其包括第二透射衬底和设置在第二透射衬底内的薄膜晶体管阵列。 在一个顶部或底部基板上设置密封材料,以形成显示器的轮廓。 将顶部和底部基底对准和组装在一起,使得密封材料夹在顶部和底部基底之间,借助于间隔球或支柱将它们保持在跨越显示器的几微米的恒定分离,并且摩擦层是 靠近薄膜晶体管阵列。 从第一透射衬底上释放牺牲衬底并将微透镜阵列粘附到第一透射衬底上。 最后,用液晶材料填充密封材料的轮廓并密封液晶材料。 还提供了一种用于实施本发明的方法的装置。