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    • 5. 发明申请
    • COLOR TUNABLE ILLUMINATION SOURCE AND METHOD FOR CONTROLLED ILLUMINATION
    • 颜色可控的照明源和控制照明的方法
    • US20080136337A1
    • 2008-06-12
    • US11567478
    • 2006-12-06
    • Svetlana RogojevicMichael Scott HerzogAnil Raj DuggalJacob Charles BortschellerTami Janene Faircloth
    • Svetlana RogojevicMichael Scott HerzogAnil Raj DuggalJacob Charles BortschellerTami Janene Faircloth
    • H01J1/62H05B33/02
    • H01L25/048H01L27/3204H01L27/3209H01L27/3223H01L51/5262H01L51/5281H01L2251/5338H01L2251/5361H01L2924/0002H01L2924/00
    • An illumination source including a first OLED layer capable of emitting light of a first color, a second OLED layer capable of emitting light of a second color and disposed on the first OLED layer, each of said first, second OLED layers including alternating active light-emitting areas and inactive non-light emitting areas; said first OLED layer comprising a first substrate, a first transparent electrode layer disposed on the substrate, a first electroluminescent layer capable of emitting light of the first color disposed on the first transparent electrode layer, and a first patterned metallized electrode layer forming the alternating active light-emitting areas and inactive non-light emitting areas; and said second OLED layer comprising a second substrate, a second transparent electrode layer disposed on the substrate, a second electroluminescent layer capable of emitting light of the second color disposed on the second transparent electrode layer, and a second patterned metallized electrode layer forming the alternating active light-emitting areas and inactive non-light emitting areas; wherein light emitted by the active light-emitting areas of the first OLED layer is transmitted through the inactive non-light emitting areas of the second OLED layer. A method for tuning color and/or intensity of the light output of an illumination source is also disclosed.
    • 一种照明源,包括能够发射第一颜色的光的第一OLED层,能够发射第二颜色的光并设置在第一OLED层上的第二OLED层,所述第一,第二OLED层中的每一个包括交替的主动发光层, 发光区域和非发光区域; 所述第一OLED层包括第一衬底,设置在衬底上的第一透明电极层,能够发射设置在第一透明电极层上的第一颜色的光的第一电致发光层和形成交替活性的第一图案化金属化电极层 发光区域和非发光区域; 并且所述第二OLED层包括第二衬底,设置在衬底上的第二透明电极层,能够发射设置在第二透明电极层上的第二颜色的光的第二电致发光层和形成交替的第二图案化金属化电极层 主动发光区域和非发光区域; 其中由所述第一OLED层的有源发光区域发射的光透射通过所述第二OLED层的非活性非发光区域。 还公开了一种用于调节照明源的光输出的颜色和/或强度的方法。
    • 8. 发明授权
    • Light source with organic layer and photoluminescent layer
    • 光源与有机层和光致发光层
    • US06700322B1
    • 2004-03-02
    • US09592045
    • 2000-06-12
    • Anil Raj DuggalAlok Mani Srivastava
    • Anil Raj DuggalAlok Mani Srivastava
    • H05B3300
    • H01L51/5268C09K11/7774H01L27/322H01L2221/68359H01L2251/5361H01L2933/0091Y10S428/917
    • A light source comprises an organic light emitting device which emits radiation having a first spectrum and a phosphor layer which absorbs a portion of the light emitted by the organic light emitting layer and which emits light having a second spectrum. The phosphor layer typically absorbs less than all of the light emitted by the organic light emitting layer and typically covers the entire organic light emitting device. The light emitted by the organic light emitting layer is mixed with the light emitted by the phosphor layer to produce light having a third spectrum. Exemplary embodiments of the invention provide advantages over known devices. For example, because a phosphor layer is provided, the light emitted from the organic light emitting device is scattered, which provides improved uniformity in light output over the area of the light source. Also, because most phosphors are relatively stable over time, the light source has good color stability over time.
    • 光源包括发射具有第一光谱的辐射的有机发光器件和吸收由有机发光层发射的光的一部分并且发射具有第二光谱的光的荧光体层的荧光体层。 荧光体层通常吸收少于由有机发光层发射的全部光,并且通常覆盖整个有机发光器件。 由有机发光层发射的光与由磷光体层发射的光混合以产生具有第三光谱的光。 本发明的示例性实施例提供了超过已知设备的优点。 例如,由于提供了荧光体层,所以从有机发光器件发射的光被散射,这提供了在光源的区域上的光输出的均匀性。 另外,由于大多数磷光体随着时间的推移相对稳定,所以随着时间的推移,光源具有良好的颜色稳定性。
    • 9. 发明授权
    • Luminescent display and method of making
    • 发光显示及制作方法
    • US06566808B1
    • 2003-05-20
    • US09469702
    • 1999-12-22
    • Anil Raj DuggalAlok Mani Srivastava
    • Anil Raj DuggalAlok Mani Srivastava
    • H05B3300
    • H01L51/56C09D11/328G09F13/22H01L27/3204H01L27/3211H01L27/322H01L27/3239H01L51/0005H01L51/0037H01L51/0042H01L51/0059H01L51/0062H01L51/007H01L51/0081H01L51/5203H01L51/5253H01L2221/68359H01L2251/5361H01L2251/564H05B33/12H05B33/14H05B33/22
    • The invention relates to a luminescent display comprising a first electrode, a second electrode, an organic light emitting layer disposed between the first and second electrodes, and a luminescent material which receives light from the organic light emitting layer and converts the light to a different wavelength, wherein the first and second electrodes together define an overlap region in which the organic light emitting layer is activated to emit light, and the luminescent material is disposed in a portion of the overlap region. The invention also relates to a method comprising the steps of creating an image and printing the image on a light emitting device comprising an organic light emitting layer after the light emitting device has been formed. The image may be created, for example on a personal computer, and printed with an inkjet printer. The image may be printed in phosphors which emit light of one wavelength upon absorbing light of a different wavelength from the organic light emitting layer. Various embodiments of the invention allow customized luminescent displays to be easily fabricated by end users by applying a phosphor pattern to a preformed, encapsulated light emitting device.
    • 本发明涉及一种发光显示器,包括第一电极,第二电极,设置在第一和第二电极之间的有机发光层以及从有机发光层接收光并将光转换成不同波长的发光材料 其中所述第一和第二电极一起限定重叠区域,其中所述有机发光层被激活以发光,并且所述发光材料设置在所述重叠区域的一部分中。 本发明还涉及一种方法,包括以下步骤:在形成发光器件之后,在包括有机发光层的发光器件上产生图像并打印图像。 图像可以被创建,例如在个人计算机上,并且用喷墨打印机打印。 在从有机发光层吸收不同波长的光时,图像可以印刷在发射一种波长的光的荧光体中。 本发明的各种实施例允许通过将磷光体图案施加到预先形成的封装的发光器件来容易地由终端用户制造定制的发光显示器。