Active matrix display and forming method thereof
First Claim
1. An active matrix display comprising:
- a pixel region formed on a substrate;
a driver circuit region formed in periphery of said pixel region to drive said pixel region, said driver circuit region being formed on said substrate;
a sealing material applied to an outer frame of said substrate; and
a liquid crystal material provided inside said sealing material;
wherein said pixel region and said driver circuit region are positioned inside said sealing material.
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Abstract
An active matrix liquid crystal display having improved reliability. Pixel regions and a peripheral driver circuit are integrally packed on the display. TFTs forming the peripheral driver circuit are located inside a sealing material layer on the side of a liquid crystal material, thus protecting the peripheral driver circuit from external moisture and contaminants. This enhances the long-term reliability of the peripheral driver circuit. Pixel TFTs are arranged in pixel regions. The leads going from the TFTs forming the peripheral driver circuit to the pixel TFTs are shortened. This results in a reduction in the resistance. As a result, the display characteristics are improved.
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Citations
29 Claims
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1. An active matrix display comprising:
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a pixel region formed on a substrate;
a driver circuit region formed in periphery of said pixel region to drive said pixel region, said driver circuit region being formed on said substrate;
a sealing material applied to an outer frame of said substrate; and
a liquid crystal material provided inside said sealing material;
wherein said pixel region and said driver circuit region are positioned inside said sealing material. - View Dependent Claims (2, 3, 4, 5, 6)
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7. An active matrix display comprising:
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a pixel region formed on a substrate;
a driver circuit region for driving said pixel region, said driver circuit region being formed on said substrate;
a sealing material applied to said substrate;
wherein said driver circuit is incorporated in said sealing material. - View Dependent Claims (8, 9)
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10. An active matrix display comprising:
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a pixel region formed on a substrate;
a driver circuit region for driving said pixel region, said driver circuit region being formed on said substrate;
a sealing material applied to an outer frame of said substrate;
at least one integrated circuit connected to said driver circuit;
wherein said integrated circuit is incorporated in said sealing material. - View Dependent Claims (11, 12, 13)
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14. An active matrix display comprising:
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a first substrate on which a pixel region and a driver circuit region are formed, said driver circuit region driving said pixel region;
a second substrate opposed to said first substrate a sealing material applied to an outer frame of said first or second substrate;
a liquid crystal material injected between said first and second substrates and inside said sealing material;
an integrated circuit connected to said driver circuit region, said integrated circuit being incorporated in said sealing material;
wherein a space for disposing said integrated circuit is formed between said first and second substrates and said sealing material is applied in said space. - View Dependent Claims (15, 16, 17, 18, 19)
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20. An active matrix display comprising:
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a pixel region formed on a substrate;
a driver circuit formed in periphery of said pixel region to drive said pixel region, said driver circuit being formed on said substrate;
a control circuit formed in periphery of said pixel region to drive said driver circuit, said control circuit being formed on said substrate;
a sealing material applied to an outer frame of said substrate; and
a liquid crystal material provided inside said sealing material;
wherein said pixel region, said driver circuit and said control circuit are positioned inside said sealing material, respectively.
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21. The method for forming an active matrix display on a substrate comprising the steps of:
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partitioning said substrate into a plurality of panel regions by a sealing material;
forming a pixel region and a driver circuit region inside each of said partitioned panel regions, said driver circuit region driving said pixel region;
dividing said substrate into a plurality of liquid crystal panels by cutting said substrate along said sealing material; and
injecting a liquid crystal material inside each of said liquid crystal panels in order to form a plurality of liquid crystal display devices, said liquid crystal material contacting with said pixel region and driver circuit region. - View Dependent Claims (22, 23)
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24. The method for forming an active matrix display on a substrate comprising the steps of:
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partitioning said substrate into a plurality of panel regions by a sealing material;
forming a pixel region inside each of said partitioned panel regions;
incorporating a driver circuit region in said sealing material, said driver circuit region driving said pixel region;
dividing said substrate into a plurality of liquid crystal panels by cutting said substrate along said sealing material; and
injecting a liquid crystal material inside each of said liquid crystal panels in order to form a plurality of liquid crystal display devices. - View Dependent Claims (25, 26)
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27. The method for forming an active matrix display comprising the steps of:
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applying a sealing material to a first substrate, said first substrate being partitioned into a plurality of panel regions by said sealing material;
forming a pixel region and a driver circuit region inside each of said partitioned panel regions;
sticking said first substrate to a second substrate via said sealing material, said first and second substrates being opposed each other;
dividing said first and second substrates into a plurality of liquid crystal panels by cutting said first and second substrates along said sealing material; and
injecting a liquid crystal material inside each of said partitioned panel regions and between said first and second substrates in order to form a plurality of liquid crystal display devices, said liquid crystal material contacting with said pixel region and driver circuit region. - View Dependent Claims (28, 29)
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Specification