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1. 发明申请

WO2009102733A2 INTEGRATED FRONT LIGHT DIFFUSER FOR REFLECTIVE DISPLAYS 审中-公开
标题翻译：用于反射显示的集成前光扩散器
公开(公告)号：WO2009102733A2
公开(公告)日：2009-08-20
申请号：PCT/US2009/033701
申请日：2009-02-10
申请人： QUALCOMM MEMS TECHNOLOGIES, INC. , GALLY, Brian, J. , XU, Gang , BITA, Ion , MIENKO, Marek , GRUHLKE, Russell
发明人： GALLY, Brian, J. , XU, Gang , BITA, Ion , MIENKO, Marek , GRUHLKE, Russell
IPC分类号： G02B6/00
CPC分类号： G02B6/0041 , G02B6/0038 , G02B6/0051
摘要： A reflective electronic display (e.g., 1200) includes a front light assembly with a diffuser (e.g., 1230) for enlarging the viewing cone of the display. The front light may include a substrate (e.g., 1220), a plurality of optical turning features (e.g., 1240), and a diffuser (e.g., 1230) formed therebetween. The haze of the diffuser (e.g., 1230) may be spatially non-uniform and switchable between two or more levels.
摘要翻译：反射式电子显示器（例如，1200）包括具有扩散器（例如，1230）的前灯组件，用于放大显示器的观察锥。前灯可以包括基底（例如1220），多个光学旋转特征（例如1240）以及在它们之间形成的扩散器（例如，1230）。扩散器的雾度（例如，1230）可以在空间上不均匀并且可以在两个或更多个水平之间切换。

2. 发明申请

WO2009102672A2 INTEGRATED FRONT LIGHT SOLUTION 审中-公开
标题翻译：集成前灯解决方案
公开(公告)号：WO2009102672A2
公开(公告)日：2009-08-20
申请号：PCT/US2009/033597
申请日：2009-02-09
申请人： QUALCOMM MEMS TECHNOLOGIES, INC. , MIENKO, Marek , XU, Gang , BITA, Ion , WANG, Lai , GRUHLKE, Russell, W.
发明人： MIENKO, Marek , XU, Gang , BITA, Ion , WANG, Lai , GRUHLKE, Russell, W.
IPC分类号： G02B6/00
CPC分类号： G02B6/0018 , G02B6/0011 , G02B6/0016 , G02B6/002 , G02B6/0028 , G09G3/3466
摘要： An integrated illumination apparatus includes a light injection portion having a first end for receiving light from a light source. The light injection portion includes material that supports propagation of said light along the length of the light injection portion. Turning microstructure is disposed on a first side of the light injection. The turning microstructure is configured to turn at least a substantial portion of light incident on the first side and to direct the portion of the light out a second opposite side of the light injection portion. A slit is disposed along the length of the light injection portion. The slit forms an optical interface on the second opposite side of the light injection portion that provides total internal reflection for light propagating along the length of the light injection portion to be guided therein. The optical interface further transmits light turned by said turning microstructure. A light distribution portion is disposed with respect to the slit to receive the light turned by said turning microstructure and transmitted out of the second side of the light injection portion and through said slit. At least one bridge is disposed between light injection portion and the light distribution portion. The bridge mechanically connects the light injection portion to the light distribution portion.
摘要翻译：集成照明装置包括具有用于接收来自光源的光的第一端的光注入部。光注入部分包括支持沿着光注入部分的长度传播所述光的材料。转向微结构设置在光注入的第一侧上。转向微结构被配置成使入射在第一侧上的至少大部分光转向并将光的一部分引导出光注入部分的第二相对侧。沿着光注入部分的长度设置狭缝。狭缝在光注入部分的第二相对侧上形成光学界面，该光学界面为沿着光注入部分的长度传播的光提供全内反射，以在其中被引导。光学接口还透射由所述转动微结构转动的光。光分配部分相对于狭缝设置以接收由所述转动微结构转动的光并且透射出光注入部分的第二侧并穿过所述狭缝。在光注入部分和光分布部分之间设置至少一个桥。桥将光注入部分机械地连接到配光部分。

3. 发明申请

WO2008045363A2 LIGHT BAR WITH REFLECTOR 审中-公开
标题翻译：与反射器的光条
公开(公告)号：WO2008045363A2
公开(公告)日：2008-04-17
申请号：PCT/US2007/021459
申请日：2007-10-05
申请人： QUALCOMM MEMS TECHNOLOGIES, INC. , HOLMAN, Robert, L. , SAMPSELL, Matt , GRUHLKE, Russell, Wayne , MIENKO, Marek , XU, Gang , BITA, Ion
发明人： HOLMAN, Robert, L. , SAMPSELL, Matt , GRUHLKE, Russell, Wayne , MIENKO, Marek , XU, Gang , BITA, Ion
CPC分类号： G02B6/0028 , G02B6/003 , G02B6/0031 , G02B6/0038 , G02B6/0055 , G02B6/0061
摘要： An illumination apparatus includes a light bar having a first end for receiving light from a light source. The light bar includes material that supports propagation of said light along the length of the light bar. Turning microstructure is disposed on a first side of the light bar. The turning microstructure is configured to turn at least a substantial portion of light incident on the first side and to direct the portion of the light out a second opposite side of the light bar. A substantially reflective surface is disposed with respect to a second end opposite said first end of said light bar to reflect light transmitted through the second end. A light guide panel is disposed with respect to said second opposite side of the light bar to receive light turned by said turning microstructure and directed out of the second opposite side of the light bar.
摘要翻译：照明装置包括具有用于接收来自光源的光的第一端的灯条。灯条包括支持沿着灯条的长度传播所述光的材料。转向微结构设置在灯条的第一侧上。转向微结构被构造成转动入射到第一侧上的光的至少大部分并且将光的该部分引导出光杆的第二相对侧。基本反射表面相对于与所述灯条的所述第一端相对的第二端设置，以反射透过第二端的光。导光板相对于所述灯条的所述第二相对侧布置，以接收由所述转向微结构转向并且从所述灯条的第二相对侧导出的光。

4. 发明申请

WO2008045312A1 APPARATUS AND METHOD FOR REDUCING BACK REFLECTION FROM AN ILLUMINATION DEVICE 审中-公开
标题翻译：用于减少来自照明装置的反射反射的装置和方法
公开(公告)号：WO2008045312A1
公开(公告)日：2008-04-17
申请号：PCT/US2007/021378
申请日：2007-10-05
申请人： QUALCOMM MEMS TECHNOLOGIES, INC. , BITA, Ion , XU, Gang , MIENKO, Marek , GRUHLKE, Russell, Wayne
发明人： BITA, Ion , XU, Gang , MIENKO, Marek , GRUHLKE, Russell, Wayne
IPC分类号： G02B6/00
CPC分类号： G02B6/0036 , G02B6/0038 , G02B6/005 , G02B6/0061
摘要： Embodiments include display devices and devices for illuminating a display. One embodiment includes a display device comprising a plurality of light modulators. The device further includes a light guide panel configured to guide light therein disposed forward of said plurality of light modulators. The device further includes turning microstructure disposed on a surface of said light guide, said turning microstructure configured to direct said light out of said light guide panel onto said plurality of light modulators. The device further includes a plurality of nanostructures disposed on said surface of the light guide panel, said plurality of nanostructures having an effective thickness and effective refractive index so as to reduce reflection of light from said light guide panel. Other embodiments include methods of making such apparatuses.
摘要翻译：实施例包括用于照亮显示器的显示装置和装置。一个实施例包括包括多个光调制器的显示装置。该装置还包括导光板，其被配置为引导布置在所述多个光调制器之前的光。该装置还包括设置在所述导光体的表面上的转动微结构，所述转动微结构被配置成将所述光从所述导光板引导到所述多个光调制器上。该装置还包括设置在导光板的所述表面上的多个纳米结构，所述多个纳米结构具有有效的厚度和有效折射率，以便减少来自所述导光板的光的反射。其他实施例包括制造这种装置的方法。

5. 发明申请

WO2009154957A3 LIGHT GUIDE PANAL WITH LIGHT TURNING MICROSTRUCTURE, METHOD OF FABRICATION THEREOF, AND DISPLAY DEVICE 审中-公开
公开(公告)号：WO2009154957A3
公开(公告)日：2009-12-23
申请号：PCT/US2009/045186
申请日：2009-05-26
申请人： QUALCOMM MEMS TECHNOLOGIES, INC. , BITA, Ion , XU, Gang , NARAYANAN, Kollengode, S. , GRUHLKE, Russell, W. , MIENKO, Marek , WANG, Lai
发明人： BITA, Ion , XU, Gang , NARAYANAN, Kollengode, S. , GRUHLKE, Russell, W. , MIENKO, Marek , WANG, Lai
IPC分类号： G02B6/00
摘要： A illumination device comprises a light guide having a first end for receiving light and configured to support propagation of light along the length of the light guide. A turning microstructure is disposed on a first side of the light guide configured to turn light incident on the first side and to direct the light out a second opposite side of the light guide, wherein the turning microstructure comprises a plurality of indentations. A cover is physically coupled to the light guide and disposed over the turning microstructure. An interlayer is between the cover and the light guide, wherein the interlayer physically couples the cover to the light guide. In some embodimentss the interlayer is omitted and the cover makes direct contact with the light guide. A plurality of open regions is between the interlayer or the cover and the plurality of indentations. Various embodiments include methods of coupling the cover to the light guide with or without interlayer while preserving open regions between the cover and plurality of indentations.

6. 发明申请

WO2009073555A1 LIGHT ILLUMINATION OF DISPLAYS WITH FRONT LIGHT GUIDE AND COUPLING ELEMENTS 审中-公开
标题翻译：具有前导光板和耦合元件的显示器的光照射
公开(公告)号：WO2009073555A1
公开(公告)日：2009-06-11
申请号：PCT/US2008/085010
申请日：2008-11-26
申请人： QUALCOMM MEMS TECHNOLOGIES, INC. , MIENKO, Marek , XU, Gang , BITA, Ion , GRUHLKE, Russell, Wayne , BREWER, Emerico, Alberto
发明人： MIENKO, Marek , XU, Gang , BITA, Ion , GRUHLKE, Russell, Wayne , BREWER, Emerico, Alberto
IPC分类号： G02B6/00
CPC分类号： G02B6/0028 , G02B6/0031 , G02B6/0038 , G02B6/0076 , G02B17/023 , G02B26/001 , Y10T29/49002 , Y10T29/49826
摘要： In various embodiments described herein, a display device (90) includes a front illumination apparatus that comprises a first light guide (97) disposed forward of an array of display elements (96), such as an array of interferometric modulators, to distribute light across the array of display elements (96). The light guide panel is edge illuminated by a light source (92) positioned behind the array display elements (96). The light from such a light source (92) is coupled to a second light guide (98) disposed behind the array of display elements (96) and positioned laterally with respect to the light source (92). The light in the second light guide (98) is coupled into the first light guide (97) using a small optical coupling element (91) such as a turning mirror. In some embodiments the second light guide may comprise the backplate of the display device (90).
摘要翻译：在本文描述的各种实施例中，显示装置（90）包括前照明装置，其包括布置在诸如干涉式调制器阵列之类的显示元件阵列（96）之前的第一光导（97）显示元件阵列（96）。导光板被位于阵列显示元件（96）后面的光源（92）边缘照射。来自这种光源（92）的光耦合到布置在显示元件阵列（96）后面并相对于光源（92）横向定位的第二光导（98）。使用诸如转向镜的小型光耦合元件（91）将第二光导（98）中的光耦合到第一光导（97）中。在一些实施例中，第二光导可以包括显示装置（90）的背板。

7. 发明申请

WO2008045362A2 INCREASING COLLIMATION OF LIGHT FROM LIGHT BAR TO LIGHT PANEL USING TAPERING 审中-公开
标题翻译：利用TAPERING增加灯条到光板的光线
公开(公告)号：WO2008045362A2
公开(公告)日：2008-04-17
申请号：PCT/US2007/021458
申请日：2007-10-05
申请人： QUALCOMM MEMS TECHNOLOGIES, INC. , HOLMAN, Robert L. , SAMPSELL, Matt , GRUHLKE, Russell Wayne , MIENKO, Marek , XU, Gang , BITA, Ion
发明人： HOLMAN, Robert L. , SAMPSELL, Matt , GRUHLKE, Russell Wayne , MIENKO, Marek , XU, Gang , BITA, Ion
CPC分类号： G02B6/0028 , G02B6/003 , G02B6/0031 , G02B6/0038 , G02B6/0055 , G02B6/0061
摘要： An illumination apparatus includes a light bar having a first end for receiving light from a light source. The light bar includes material that supports propagation of the light along the length of the light bar. Turning microstructure is disposed on a first side of the light bar. The turning microstructure is configured to turn a substantial portion of light incident on the first side and to direct the portion of the light out a second opposite side of the light bar. A light guide panel is disposed with respect to a second opposite side of the light bar to receive the light turned by said turning microstructure and directed out of the second opposite side of the light bar. An optical coupler has an input surface and an output surface. The input surface is disposed to receive the light directed out of the second opposite side of the light bar. The output surface is disposed to couple light from the optical coupler into the light guide panel. The output surface of the optical coupler is tapered.
摘要翻译：照明装置包括具有用于接收来自光源的光的第一端的灯条。灯条包括支持沿灯条长度传播的材料。转向微结构设置在灯条的第一侧上。转向微结构被构造成转动入射在第一侧上的大部分光并将光的该部分引导出光杆的第二相对侧。导光板相对于灯条的第二相对侧布置，以接收由所述转向微结构转向并且从灯条的第二相对侧导出的光。光耦合器具有输入表面和输出表面。输入表面布置成接收从灯条的第二相对侧导出的光。输出表面设置成将来自光耦合器的光耦合到导光板中。光耦合器的输出表面呈锥形。

8. 发明申请

WO2008045200A3 OPTICAL LOSS STRUCTURE INTEGRATED IN AN ILLUMINATION APPARATUS OF A DISPLAY 审中-公开
公开(公告)号：WO2008045200A3
公开(公告)日：2008-04-17
申请号：PCT/US2007/020680
申请日：2007-09-24
申请人： QUALCOMM MEMS TECHNOLOGIES, INC. , BITA, Ion , XU, Gang , MIENKO, Marek , GRUHLKE, Russell W.
发明人： BITA, Ion , XU, Gang , MIENKO, Marek , GRUHLKE, Russell W.
IPC分类号： F21V8/00
摘要： Various embodiments of a display device described herein include an optical propagation region (97), at least one optical loss structure (93), an optical isolation layer (95), and a plurality of display elements (91). The propagation region includes a light guide in which light is guided via total internal reflection and turning features configured to redirect the light out of the propagation region. The loss structure would disrupt the total internal reflection of at least some of the light guided within the propagation region if disposed directly adjacent thereto. The optical isolation layer includes a non-gaseous material between the propagation region and the loss structure, and is configured to increase an amount of light that is totally internal reflected in the propagation region. The plurality of display elements are positioned to receive the light redirected out of the propagation region. The loss structure is positioned between the plurality of display elements and the propagation region.

9. 发明申请

WO2009076075A1 DECOUPLED HOLOGRAPHIC FILM AND DIFFUSER 审中-公开
标题翻译：解码的全息胶片和扩散器
公开(公告)号：WO2009076075A1
公开(公告)日：2009-06-18
申请号：PCT/US2008/085026
申请日：2008-11-26
申请人： QUALCOMM MEMS TECHNOLOGIES, INC. , BITA, Ion , XU, Gang , WANG, Lai , MIENKO, Marek , GRUHLKE, Russell, Wayne
发明人： BITA, Ion , XU, Gang , WANG, Lai , MIENKO, Marek , GRUHLKE, Russell, Wayne
IPC分类号： G02B6/00
CPC分类号： G02B6/10 , G02B5/32 , G02B6/0035 , G02B6/0051 , G02B26/001 , Y10T29/49826
摘要： In various embodiments described herein, a display device includes a front illumination device that comprises a light guide disposed forward of an array of display elements, such as an array of interferometric modulators, to distribute light across the array of display elements. The light guide may include a turning film to deliver uniform illumination from a light source to the array of display elements. For many portable display applications, the light guide comprises the substrate used in fabricating the display elements. The display device may include additional films as well The light guide, for example, may include a diffuser and/or an optical isolation layer to further enhance the optical characteristics of the display.
摘要翻译：在本文描述的各种实施例中，显示装置包括前照明装置，其包括布置在诸如干涉式调制器阵列之类的显示元件阵列之前的光导，以将光分布在显示元件阵列上。光导可以包括转向膜，以将来自光源的均匀照明传送到显示元件阵列。对于许多便携式显示器应用，光导包括用于制造显示元件的基板。显示装置也可以包括附加膜。例如，光导可以包括扩散器和/或光隔离层，以进一步增强显示器的光学特性。

10. 发明申请

WO2008045463A3 DISPLAY DEVICE WITH DIFFRACTIVE OPTICS 审中-公开
公开(公告)号：WO2008045463A3
公开(公告)日：2008-04-17
申请号：PCT/US2007/021623
申请日：2007-10-09
申请人： QUALCOMM MEMS TECHNOLOGIES, INC. , GRUHLKE, Russell, Wayne , BITA, Ion , MIENKO, Marek , XU, Gang
发明人： GRUHLKE, Russell, Wayne , BITA, Ion , MIENKO, Marek , XU, Gang
IPC分类号： G02B6/00 , F21V8/00
摘要： Light modulator displays may be illuminated using a light guide comprising diffractive optics that directs light onto the light modulators. The light guide may comprise, for example, a holographic light turning element that turns light propagating within the light guide onto the array of light modulators. In some embodiments, the holographic element has multiple holographic functions. For example, the holographic element may additionally collimate ambient light or diffuse light reflected form the light modulators.

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