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    • 2. 发明授权
    • Distributed aperture head-up display
    • 分布式孔径平视显示
    • US08228358B2
    • 2012-07-24
    • US11303290
    • 2005-12-16
    • Brent D. LarsonElias S. HaimMatthew B. Dubin
    • Brent D. LarsonElias S. HaimMatthew B. Dubin
    • G09G5/02
    • G02B27/0025G02B27/01G02B27/0101G02B2027/012G02B2027/0123G02F1/133512G02F1/134336G02F2001/134345G02F2201/122G02F2201/15G02F2201/52G09G3/36G09G2300/0452
    • Method and apparatus are provided for displaying an image to a viewer with reduced visual artifacts. The apparatus comprises a display panel for forming the image using an array of pixels with distributed active regions, and a viewing arrangement optically situated between the display panel and the viewer for transferring the image formed on the display panel to the viewer with limited angular pixel subtense. The distributed active regions of the pixels are desirably divided into at least two simultaneously switched portions at least partly separated by or surrounding a significant portion of the non-switchable region. First order spatial harmonics and associated artifacts are reduced by the distributed apertures and second order and higher harmonics are reduced by limiting the pixel subtense angle seen by the viewer. A significant reduction in visual artifacts arising from the periodic structure of the display panel is obtained.
    • 提供了一种方法和装置,用于以减少的视觉瑕疵向观看者显示图像。 该装置包括用于使用具有分布式有源区域的像素阵列形成图像的显示面板,以及光学地位于显示面板和观看者之间的观看布置器,用于将形成在显示面板上的图像以有限的角度像素折射 。 像素的分布式有源区域希望被分成至少两个同时切换的部分,至少部分地与不可切换区域的显着部分分开或围绕。 第一阶空间谐波和相关的伪影通过分布式孔径和二阶降低,并且通过限制观察者所看到的像素底角来减小高次谐波。 获得由显示面板的周期性结构引起的视觉伪影的显着减少。
    • 5. 发明授权
    • Backlight systems for liquid crystal displays
    • 用于液晶显示器的背光系统
    • US07791683B2
    • 2010-09-07
    • US11942398
    • 2007-11-19
    • Brent D. LarsonDennis M. DaveyElias S. Haim
    • Brent D. LarsonDennis M. DaveyElias S. Haim
    • G02F1/1335
    • G02B6/0021G02B6/0018G02B6/003G02B6/0038G02B6/0068G02F1/133603
    • A backlight system for a liquid crystal display includes a substantially planar, refractive waveguide having a first major face and a second major face opposite the first major face. The waveguide includes a viewable region corresponding to a viewable area of the liquid crystal display. The system further includes a light source positioned proximate to the second major face and within the viewing region for producing light. An injection feature is proximate to one or more of the second major face and the first major face and within the viewing region to optically couple the light into the waveguide such that the light becomes waveguided light. A plurality of extraction features is proximate to one or more of the second major face and the first major face and within the viewing region to optically couple the waveguided light out of the waveguide.
    • 用于液晶显示器的背光系统包括具有第一主面和与第一主面相对的第二主面的基本上平面的折射波导。 波导包括对应于液晶显示器的可视区域的可视区域。 该系统还包括靠近第二主要面并位于观察区域内用于产生光的光源。 注射特征靠近第二主面和第一主面中的一个或多个并且在观察区域内,以将光光学地耦合到波导中,使得光成为波导的光。 多个提取特征靠近第二主面和第一主面中的一个或多个并且在观察区域内,以将波导光光学耦合到波导外。
    • 6. 发明申请
    • BACKLIGHT SYSTEMS FOR LIQUID CRYSTAL DISPLAYS
    • 液晶显示器背光系统
    • US20090128735A1
    • 2009-05-21
    • US11942398
    • 2007-11-19
    • Brent D. LarsonDennis M. DaveyElias S. Haim
    • Brent D. LarsonDennis M. DaveyElias S. Haim
    • G02F1/1335F21V5/00
    • G02B6/0021G02B6/0018G02B6/003G02B6/0038G02B6/0068G02F1/133603
    • A backlight system for a liquid crystal display includes a substantially planar, refractive waveguide having a first major face and a second major face opposite the first major face. The waveguide includes a viewable region corresponding to a viewable area of the liquid crystal display. The system further includes a light source positioned proximate to the second major face and within the viewing region for producing light. An injection feature is proximate to one or more of the second major face and the first major face and within the viewing region to optically couple the light into the waveguide such that the light becomes waveguided light. A plurality of extraction features is proximate to one or more of the second major face and the first major face and within the viewing region to optically couple the waveguided light out of the waveguide.
    • 用于液晶显示器的背光系统包括具有第一主面和与第一主面相对的第二主面的基本上平面的折射波导。 波导包括对应于液晶显示器的可视区域的可视区域。 该系统还包括靠近第二主要面并位于观察区域内用于产生光的光源。 注射特征靠近第二主面和第一主面中的一个或多个并且在观察区域内,以将光光学地耦合到波导中,使得光成为波导的光。 多个提取特征靠近第二主面和第一主面中的一个或多个并且在观察区域内,以将波导光光学耦合到波导外。
    • 7. 发明申请
    • SYSTEM AND METHOD FOR OPTIMIZING HEAD-UP DISPLAY UNIFORMITY
    • 优化显示均匀性的系统和方法
    • US20080204360A1
    • 2008-08-28
    • US11680216
    • 2007-02-28
    • John F. L. SchmidtBrent D. LarsonVictoria P. HaimElias S. Haim
    • John F. L. SchmidtBrent D. LarsonVictoria P. HaimElias S. Haim
    • G09G5/00
    • G02B27/01G02B27/0025G02B2027/0118G02B2027/014
    • A system and method for optimizing image uniformity in a head-up display (HUD) are provided. An imaging subsystem is characterized in that if light of a first uniformity is propagated therethrough, an uncompensated image would be displayed to a user via uncompensated image light. The uncompensated image light has first and second portions with respective first and second values of a radiant property. A difference between the first and second values is a first amount. The light source is configured to emit source light of a second, predetermined uniformity through the imaging system such that a compensated image is displayed to the user via compensated image light. The first portion of the compensated image light has a third value of the radiant property, and the second portion of the compensated image light has a fourth value of the radiant property. A difference between the third and fourth values is less than the first amount.
    • 提供了一种用于优化平视显示(HUD)中的图像均匀性的系统和方法。 成像子系统的特征在于,如果第一均匀性的光在其中传播,则通过未补偿的图像光将向用户显示未补偿的图像。 未补偿的图像光具有第一和第二部分,具有辐射特性的相应的第一和第二值。 第一和第二值之间的差值是第一个量。 光源被配置为通过成像系统发射具有第二预定均匀度的源光,使得经补偿的图像光向用户显示经补偿的图像。 补偿图像光的第一部分具有辐射特性的第三值,并且补偿图像光的第二部分具有辐射特性的第四值。 第三和第四值之间的差值小于第一个数值。
    • 9. 发明授权
    • Backlight systems for liquid crystal displays
    • 用于液晶显示器的背光系统
    • US08248556B2
    • 2012-08-21
    • US12847784
    • 2010-07-30
    • Brent D. LarsonDennis M. DaveyElias S. Haim
    • Brent D. LarsonDennis M. DaveyElias S. Haim
    • G02F1/1335
    • G02B6/0021G02B6/0018G02B6/003G02B6/0038G02B6/0068G02F1/133603
    • A backlight system for a liquid crystal display includes a substantially planar, refractive waveguide having a first major face and a second major face opposite the first major face. The waveguide includes a viewable region corresponding to a viewable area of the liquid crystal display. The system further includes a light source positioned proximate to the second major face and within the viewing region for producing light. An injection feature is proximate to one or more of the second major face and the first major face and within the viewing region to optically couple the light into the waveguide such that the light becomes waveguided light. A plurality of extraction features is proximate to one or more of the second major face and the first major face and within the viewing region to optically couple the waveguided light out of the waveguide.
    • 用于液晶显示器的背光系统包括具有第一主面和与第一主面相对的第二主面的基本上平面的折射波导。 波导包括对应于液晶显示器的可视区域的可视区域。 该系统还包括靠近第二主要面并位于观察区域内用于产生光的光源。 注射特征靠近第二主面和第一主面中的一个或多个并且在观察区域内,以将光光学地耦合到波导中,使得光成为波导的光。 多个提取特征靠近第二主面和第一主面中的一个或多个并且在观察区域内,以将波导光光学耦合到波导外。
    • 10. 发明授权
    • System and method for optimizing head-up display uniformity
    • 用于优化平视显示均匀性的系统和方法
    • US09395539B2
    • 2016-07-19
    • US11680216
    • 2007-02-28
    • John F. L. SchmidtBrent D. LarsonVictoria P. HaimElias S. Haim
    • John F. L. SchmidtBrent D. LarsonVictoria P. HaimElias S. Haim
    • G02B27/01G02B27/00
    • G02B27/01G02B27/0025G02B2027/0118G02B2027/014
    • A system and method for optimizing image uniformity in a head-up display (HUD) are provided. An imaging subsystem is characterized in that if light of a first uniformity is propagated therethrough, an uncompensated image would be displayed to a user via uncompensated image light. The uncompensated image light has first and second portions with respective first and second values of a radiant property. A difference between the first and second values is a first amount. The light source is configured to emit source light of a second, predetermined uniformity through the imaging system such that a compensated image is displayed to the user via compensated image light. The first portion of the compensated image light has a third value of the radiant property, and the second portion of the compensated image light has a fourth value of the radiant property. A difference between the third and fourth values is less than the first amount.
    • 提供了一种用于优化平视显示(HUD)中的图像均匀性的系统和方法。 成像子系统的特征在于,如果第一均匀性的光在其中传播,则通过未补偿的图像光将向用户显示未补偿的图像。 未补偿的图像光具有第一和第二部分,具有辐射特性的相应的第一和第二值。 第一和第二值之间的差值是第一个量。 光源被配置为通过成像系统发射具有第二预定均匀度的源光,使得经补偿的图像光向用户显示经补偿的图像。 补偿图像光的第一部分具有辐射特性的第三值,并且补偿图像光的第二部分具有辐射特性的第四值。 第三和第四值之间的差值小于第一个数值。