IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0907446
(2010-10-19)
|
등록번호 |
US-8558975
(2013-10-15)
|
우선권정보 |
KR-10-2009-0103748 (2009-10-29) |
발명자
/ 주소 |
- Park, Se-Young
- Kim, Jeong-Hyeon
- Yi, Sung-Chol
- Lee, Chang-Gu
|
출원인 / 주소 |
|
대리인 / 주소 |
Morgan, Lewis & Bockius LLP
|
인용정보 |
피인용 횟수 :
2 인용 특허 :
18 |
초록
▼
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
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.
대표청구항
▼
1. 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 electr
1. 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; andbonding the first and second substrates to each other. 2. The method of claim 1, wherein the color filter is formed of at least one of aluminum, molybdenum, copper, gold, silver, and chromium. 3. The method of claim 1, wherein a cross-sectional view of the holes of the transmissive pattern includes at least one of circle, oval, triangle, square, and rectangle. 4. The method of claim 3, wherein a cross-sectional view of the holes of the transmissive pattern includes a plurality of circles with a diameter in the range of 100 to 300 nm and a period in the range of 300 to 700 nm. 5. The method of claim 1, wherein the thin film transistor is formed on an inner surface of the first substrate and the sealant is formed between the inner surface of the first substrate and the metal layer of the color filter. 6. 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; andbonding the first and second substrates to each other. 7. The method of claim 6, further comprising a common electrode formed on the second substrate. 8. The method of claim 6, further comprising a common electrode formed parallel to the pixel electrode wherein the pixel electrode and the common electrode have at least one bent portion. 9. The method of claim 6, wherein the color filter is formed of at least one of aluminum, molybdenum, copper, gold, silver, and chromium. 10. The method of claim 6, wherein a cross-sectional view of the holes of the transmissive pattern includes at least one of circle, oval, triangle, square, and rectangle. 11. The method of claim 10, wherein a cross-sectional view of the holes of the transmissive pattern includes a plurality of circles with a diameter in the range of 100 to 300 nm and a period in the range of 300 to 700 nm. 12. 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; anda sealant formed between a surface of the first substrate and the metal layer of the color filter. 13. The liquid crystal display device of claim 12, wherein the color filter is formed of at least one of aluminum, molybdenum, copper, gold, silver, and chromium. 14. The liquid crystal display device of claim 12, wherein a cross-sectional view of the holes of the transmissive pattern includes at least one of circle, oval, triangle, square, and rectangle. 15. The liquid crystal display device of claim 14, wherein a cross-sectional view of the holes of the transmissive pattern includes a plurality of circles with a diameter in the range of 100 to 300 nm and a period in the range of 300 to 700 nm. 16. The liquid crystal display device of claim 12, wherein the thin film transistor is formed on an inner surface of the first substrate and the sealant is formed between the inner surface of the first substrate and the metal layer of the color filter. 17. 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; anda sealant formed between a surface of the insulating layer and the second substrate. 18. The liquid crystal display device of claim 17, further comprising a common electrode formed on the second substrate. 19. The liquid crystal display device of claim 17, further comprising a common electrode formed parallel to the pixel electrode wherein the pixel electrode and the common electrode have at least one bent portion. 20. The liquid crystal display device of claim 17, wherein the color filter is formed of at least one of aluminum, molybdenum, copper, gold, silver, and chromium. 21. The liquid crystal display device of claim 17, wherein a cross-sectional view of the holes of the transmissive pattern includes at least one of circle, oval, triangle, square, and rectangle. 22. The liquid crystal display device of claim 21, wherein a cross-sectional view of the holes of the transmissive pattern includes a plurality of circles with a diameter in the range of 100 to 300 nm and a period in the range of 300 to 700 nm.
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