Sealed organic optoelectronic structures
First Claim
1. An organic optoelectronic device structure comprising:
- an organic optoelectronic device selected from an organic light emitting diode, an organic electrochromic display, an organic photovoltaic device and an organic thin film transistor;
first and second barrier layers, at least one of said first and second barrier layers permitting transmission of light between an outer environment and said organic optoelectronic device;
a sealing region disposed between said first and second baffler layers, said sealing region cooperating with said first and second barrier layers to enclose said optoelectronic device and restrict transmission of water and oxygen from an outer environment to said optoelectronic device, said sealing region comprising an associated material that is harmful to said optoelectronic device, and said sealing region being formed of a material that undergoes a fluid-to-solid phase transformation; and
a blocking region disposed between said first and second barrier layers and disposed between said sealing region and said optoelectronic device, said blocking region restricting transmission of said associated material from said sealing region to said optoelectronic device.
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Abstract
An organic optoelectronic device structure is provided. The structure comprises the following: (a) an organic optoelectronic device selected from an organic light emitting diode, an organic electrochromic display, an organic photovoltaic device and an organic thin film transistor; (b) first and second barrier layers, at least one of the first and second barrier layers permitting transmission of light between the an outer environment and the organic optoelectronic device; (c) a sealing region disposed between the first and second barrier layers, the sealing region cooperating with the first and second barrier layers to enclose the optoelectronic device and restrict transmission of water and oxygen from an outer environment to the optoelectronic device, the sealing region also having at least one associated material that is harmful to the optoelectronic device; and (d) a blocking region disposed between the first and second barrier layers and disposed between the sealing region and the optoelectronic device, the blocking region restricting transmission of the at least one associated material from the sealing region to the optoelectronic device.
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Citations
28 Claims
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1. An organic optoelectronic device structure comprising:
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an organic optoelectronic device selected from an organic light emitting diode, an organic electrochromic display, an organic photovoltaic device and an organic thin film transistor;
first and second barrier layers, at least one of said first and second barrier layers permitting transmission of light between an outer environment and said organic optoelectronic device;
a sealing region disposed between said first and second baffler layers, said sealing region cooperating with said first and second barrier layers to enclose said optoelectronic device and restrict transmission of water and oxygen from an outer environment to said optoelectronic device, said sealing region comprising an associated material that is harmful to said optoelectronic device, and said sealing region being formed of a material that undergoes a fluid-to-solid phase transformation; and
a blocking region disposed between said first and second barrier layers and disposed between said sealing region and said optoelectronic device, said blocking region restricting transmission of said associated material from said sealing region to said optoelectronic device. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 27)
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10. An OLED device structure comprising:
- an OLED;
first and second barrier layers, at least one of said first and second barrier layers permitting transmission of light between an outer environment and said OLED;
a sealing region disposed between said first and second barrier layers, said sealing region cooperating with said first and second barrier layers to enclose said OLED and restrict transmission of water and oxygen from an outer environment to said OLED, said sealing region comprising an associated material that is harmful to said OLED, and said sealing region being formed of a material that undergoes a fluid-to-solid phase transformation; and
a blocking region disposed between said first and second barrier layers and disposed between said sealing region and said OLED, said blocking region restricting transmission of said associated material from said sealing region to said OLED. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 28)
- an OLED;
Specification