Organic thin film transistor array substrate and liquid crystal display including the same
AssigneeIndustrial Technology Research Institute
InventorsYih-Jun Wong, Horng-Long Cheng, Yu-Wu Wang
Life of this patent
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Abstract
An organic thin film transistor array substrate including a substrate divided into an LCD region and an OTFT region; a first dielectric layer formed on the substrate in the LCD region and having a first uneven portion; an organic semiconducting layer formed on the substrate in the OTFT region; a gate, source, and drain formed in the OTFT region, wherein the source and drain are in contact with the organic semiconducting layer to form a channel between the source and drain; and a pixel electrode formed on the first uneven portion of the first dielectric layer in the LCD region.
Claims21
An organic thin film transistor array substrate comprising:
- a substrate divided into a liquid crystal display (LCD) region and an organic thin film transistor (OTFT) region;
- a first dielectric layer formed on the substrate in the LCD region and having a first uneven portion;
- a second dielectric layer and an organic semiconducting layer formed on the substrate in the OTFT region;
- a gate, source, and drain formed in the OTFT region, wherein the source and drain are in contact with the organic semiconducting layer to form a channel between the source and drain;
- an alignment film between the second dielectric layer and the organic semiconducting layer, such that the organic semiconducting layer aligns according to the alignment of the alignment film, wherein the organic semiconducting layer is formed directly above and in physical contact with the alignment film;
- and
- a pixel electrode formed on the first uneven portion of the first dielectric layer in the LCD region.
A liquid crystal display including an organic thin film transistor array substrate, comprising an organic thin film transistor array substrate, a color filter substrate, and liquid crystal interposed between the organic thin film transistor array substrate and the color filter substrate, wherein the organic thin film transistor array substrate comprises:
- a substrate divided into an LCD region and an OTFT region;
- a first dielectric layer formed on the substrate in the LCD region and having a first uneven portion;
- a second dielectric layer and an organic semiconducting layer formed on the substrate in the OTFT region;
- a gate, source, and drain formed in the QTFT region, wherein the source and drain are in contact with the organic semiconducting layer to form a channel between the source and drain;
- an alignment film between the second dielectric layer and the organic semiconducting layer, such that the organic semiconducting layer aligns according to the alignment of the alignment film, wherein the organic semicoducting layer is formed directly above and in physical contact with the alignment film;
- and
- a pixel electrode formed on the first uneven portion of the first dielectric layer in the LCD region.
An organic thin film transistor array substrate, comprising:
- a substrate divided into an LCD region and an OTFT region;
- a first dielectric layer formed in the LCD region and having a first uneven portion;
- a gate formed in the OTFT region;
- a second dielectric layer formed in the OTFT region to cover the gate;
- an alignment film formed on the second dielectric layer;
- an organic semiconducting layer formed directly on and in physical contact with the alignment film, such that the organic semiconducting layer aligns according to the alignment of the alignment film;
- a source and a drain both formed on the semiconducting layer, wherein the source and drain are in contact with the organic semiconducting layer to form a channel between the source and drain;
- and
- a pixel electrode formed on the first uneven portion of the first dielectric layer in the LCD region.
Dependencies are inferred from the claim text.