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US 8,558,975 B2Granted
Liquid crystal display device and method of fabricating the same
AssigneeLG Display Co., Ltd.
InventorsSe-Young Park, Jeong-Hyeon Kim, Sung-Chol Yi, Chang-Gu Lee
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Abstract
A method of fabricating a liquid crystal display device includes preparing a first substrate and a second substrate, forming a thin film transistor including a gate electrode, semiconductor layer, source electrode, and a drain electrode on the first substrate, forming a pixel electrode connected to the drain electrode on the first substrate, forming a color filter having a transmissive pattern with a plurality of periodic holes, forming a sealant between the first substrate and the second substrate, and bonding the first and second substrates to each other.
Claims22
A method of fabricating a liquid crystal display device, the method comprising:
- preparing a first substrate and a second substrate comprising red, green, and blue color regions;
- forming a thin film transistor including a gate electrode, a semiconductor layer, a source electrode, and a drain electrode on the first substrate;
- forming a pixel electrode connected to the drain electrode on the first substrate;
- forming a color filter comprising red, green, and blue color transmissive patterns with a plurality of periodic holes on the second substrate, the transmissive pattern with a plurality of periodic holes comprising a metal layer, a thick red color transmissive pattern being formed in the red color region, the green color transmissive pattern being thinner than the red color transmissive pattern, and the blue color transmissive pattern, being a thinnest color transmissive pattern, being formed in the blue color region;
- forming an insulating layer on the color filter, including an inside of the holes, the insulating layer being formed of a same dielectric material as that of the second substrate;
- forming a sealant between a surface of the first substrate and the metal layer of the color filter;
- forming a liquid crystal layer between the first and second substrates;
- and
- bonding the first and second substrates to each other.
6 more elements
A method of fabricating a liquid crystal display device, the method comprising:
- preparing a first substrate, comprising red, green, and blue color regions, and a second substrate;
- forming a color filter comprising red, green, and blue color transmissive patterns with a plurality of periodic holes on the first substrate, the transmissive pattern with a plurality of periodic holes comprising a metal layer, a thick red color transmissive pattern being formed in the red color region, the green color transmissive pattern being thinner than the red color transmissive pattern, and the blue color transmissive pattern, being a thinnest color transmissive pattern, being formed in the blue color region;
- forming an insulating layer on the color filter, including an inside of the holes, the insulating layer being formed of a same dielectric material as that of the first substrate;
- forming a thin film transistor including a gate electrode, a semiconductor layer, a source electrode, and a drain electrode on the insulating layer;
- forming a pixel electrode connected to the drain electrode on the first substrate;
- forming a sealant between a surface of the insulating layer and the second substrate;
- forming a liquid crystal layer between the first and second substrates;
- and
- bonding the first and second substrates to each other.
6 more elements
A liquid crystal display device, comprising:
- a first substrate;
- a thin film transistor including a gate electrode, a semiconductor layer, a source electrode, and a drain electrode formed on the first substrate;
- a pixel electrode connected to the drain electrode formed on the first substrate;
- a second substrate, comprising red, green, and blue color regions, and bonded to the first substrate;
- a color filter comprising red, green, and blue color transmissive patterns with a plurality of periodic holes on the second substrate, the transmissive pattern with a plurality of periodic holes comprising a metal layer, a thick red color transmissive pattern being formed in the red color region, the green color transmissive pattern being thinner than the red color transmissive pattern, and the blue color transmissive pattern, being a thinnest color transmissive pattern, being formed in the blue color region;
- an insulating layer on the color filter, including an inside of the holes, the insulating layer being formed of a same dielectric material as that of the second substrate;
- and
- a sealant formed between a surface of the first substrate and the metal layer of the color filter.
5 more elements
A liquid crystal display device, comprising:
- a first substrate, comprising red, green, and blue color regions;
- a color filter comprising red, green, and blue color transmissive patterns with a plurality of periodic holes on the first substrate, the transmissive pattern with a plurality of periodic holes comprising a metal layer, a thick red color transmissive pattern being formed in the red color region, the green color transmissive pattern being thinner than the red color transmissive pattern, and the blue color transmissive pattern, being a thinnest color transmissive pattern, being formed in the blue color region;
- an insulating layer on the color filter, including an inside of the holes, the insulating layer being formed of a same dielectric material as that of the first substrate;
- a thin film transistor including a gate electrode, a semiconductor layer, a source electrode, and a drain electrode formed on the insulating layer;
- a pixel electrode connected to the drain electrode formed on the first substrate;
- a second substrate bonded to the first substrate;
- and
- a sealant formed between a surface of the insulating layer and the second substrate.
5 more elements
Dependencies are inferred from the claim text.