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    • 2. 发明申请
    • Portable fluorescence detection unit adapted for eye protection
    • 适用于眼睛保护的便携式荧光检测单元
    • US20060202132A1
    • 2006-09-14
    • US11080965
    • 2005-03-14
    • Janet ChuaYue LauRene Helbing
    • Janet ChuaYue LauRene Helbing
    • G01J1/58
    • G01J1/58G01J1/02G01J1/0233G01J1/08G01J2001/0276G01N21/645G01N21/6456G01N2201/0221
    • A handheld fluorescence detector that includes a handheld data processing system and a UV light source connected to the data processing system is disclosed. The UV light source illuminates an object to be scanned with light having a UV illumination wavelength. A safety mechanism inhibits the light from the UV light source from reaching an eye of a person in the vicinity of the UV light source at an intensity that would damage the eye. A fluorescence detector senses fluorescent light generated by the object in response to the illumination. The fluorescence detection can utilize a photodetector or a human observer. The detector can be included in a cellular telephone or PDA. Safety mechanisms that utilize baffles or total internal reflection to protect the user are described. In addition, interlock mechanisms that prevent the UV light source from being activated when no object is present can be incorporated.
    • 公开了一种手持式荧光检测器,其包括连接到数据处理系统的手持式数据处理系统和UV光源。 UV光源用具有UV照明波长的光照射要扫描的物体。 安全机构抑制来自紫外光源的光以紫外光源附近的人的眼睛以会损伤眼睛的强度。 荧光检测器响应于照明而感测由物体产生的荧光。 荧光检测可以利用光电检测器或人类观察者。 检测器可以包括在蜂窝电话或PDA中。 描述利用挡板或全内反射来保护用户的安全机构。 此外,可以并入防止UV光源在没有物体存在时被激活的互锁机构。
    • 10. 发明申请
    • Light source for LCD back-lit displays
    • LCD背光显示屏的光源
    • US20070081329A1
    • 2007-04-12
    • US11195200
    • 2005-08-01
    • Janet ChuaYue Lau
    • Janet ChuaYue Lau
    • F21V9/00
    • G02B6/0043B82Y20/00G02B6/0031G02B6/005G02B6/0068G02F2202/36
    • An apparatus having a light source, light pipe, and light conversion layer is disclosed. The light source includes a plurality of LED dies arranged in an array, each LED emitting light having an excitation wavelength, the light source emitting light within a cone of angles. The light pipe is positioned to receive the light within the cone of angles through an edge surface such that the light within the predetermined cone of angles is totally reflected from the top surface. The light pipe has features that redirect some of the light at angles such that some of the redirected light exits through the top surface. The light conversion layer overlies the top surface and converts light of the excitation wavelength to light in an output spectrum having wavelengths different from the excitation wavelength. A display layer can be placed such that it is illuminated by light from the light pipe.
    • 公开了具有光源,光管和光转换层的装置。 光源包括以阵列布置的多个LED管芯,每个LED发射具有激发波长的光,所述光源发射在锥角内的光。 光管被定位成通过边缘表面接收角锥体内的光,使得预定锥角内的光从顶表面全反射。 光管具有以一定角度重定向一些光的特征,使得一些重定向的光通过顶表面离开。 光转换层覆盖在顶表面上,并将激发波长的光在具有不同于激发波长的波长的输出光谱中转换为光。 显示层可以被放置成使得它被来自光管的光照亮。