IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0916319
(2010-10-29)
|
등록번호 |
US-8379171
(2013-02-19)
|
우선권정보 |
KR-10-2009-0103749 (2009-10-29) |
발명자
/ 주소 |
- Lee, Cheol-Hwan
- Kim, Jeong-Hyun
- Yi, Sung-Chol
- Lee, Chang-Gu
- Park, Se-Young
|
출원인 / 주소 |
|
인용정보 |
피인용 횟수 :
1 인용 특허 :
18 |
초록
▼
Discussed are an FFS mode LCD device capable of enhancing a transmittance ratio by including a color filter of a three-dimensional pattern structure having a transmissive pattern for selectively transmitting light of a specific wavelength by using a surface plasmon phenomenon, and a method for fabri
Discussed are an FFS mode LCD device capable of enhancing a transmittance ratio by including a color filter of a three-dimensional pattern structure having a transmissive pattern for selectively transmitting light of a specific wavelength by using a surface plasmon phenomenon, and a method for fabricating the same. The metal layer using a surface plasmon is utilized as a common electrode of the array substrate, and the pixel electrode having slits is formed on the metal film, thereby generating a fringe field. This may simplify the entire processes, and remove color filter processing lines, thereby reducing the installation costs.
대표청구항
▼
1. A method for fabricating a Fringe Field Switching (FFS) mode Liquid Crystal Display (LCD) device, the method comprising: providing a first substrate and a second substrate;forming a color filter on the first substrate, the color filter serving as a common electrode as a common voltage is applied
1. A method for fabricating a Fringe Field Switching (FFS) mode Liquid Crystal Display (LCD) device, the method comprising: providing a first substrate and a second substrate;forming a color filter on the first substrate, the color filter serving as a common electrode as a common voltage is applied to a metal layer, and implementing colors as a sub-wavelength transmissive pattern having a predetermined period is formed at the metal layer;forming a gate line and a gate electrode on the first substrate having the color filter formed thereon;forming a first insulating layer on the first substrate having the gate electrode and the gate line formed thereon;forming an active pattern on the first substrate having the first insulating layer formed thereon;forming source/drain electrodes on the first substrate having the active pattern formed thereon, and forming a data line crossing the gate line to define a pixel region;forming a second insulating layer formed on the first substrate having the source/drain electrodes and the data line formed thereon;forming a pixel electrode on the first substrate having the second insulating layer formed thereon, the pixel electrode for generating a fringe field together with the metal layer of the color filter; andbonding the first and second substrates to each other. 2. The method of claim 1, further comprising forming, on the color filter, an insulating layer formed of a material of the first substrate. 3. The method of claim 1, further comprising forming a back electrode on the second substrate. 4. The method of claim 1, wherein the color filter is formed in a three-dimensional pattern structure having transmissive patterns of different sizes, the transmissive patterns for selectively transmitting light of red, green, and blue wavelengths. 5. The method of claim 1, wherein the metal layer is formed of one of aluminum, molybdenum, copper, gold, silver, and chrome. 6. The method of claim 1, wherein the transmissive pattern is formed of one of transparent polymer, Spin On Glass (SOG), organic material, and inorganic material. 7. The method of claim 1, wherein the transmissive pattern has one of a circular shape, a hole shape, an oval shape, a quadrangular shape, a triangular shape, and a slit shape. 8. The method of claim 1, wherein the pixel electrode has a plurality of slits in the pixel region. 9. The method of claim 1, wherein the metal layer of the color filter is formed in a single pattern on an entire pixel unit for displaying an image by a plurality of pixel regions. 10. A Fringe Field Switching (FFS) mode Liquid Crystal Display (LCD) device, comprising: a first substrate;a color filter formed on the first substrate and serving as a common electrode as a common voltage is applied to a metal layer, for implementing colors as a sub-wavelength transmissive pattern having a predetermined period is formed at the metal layer;a gate electrode and a gate line formed on the first substrate having the color filter formed thereon;a first insulating layer formed on the first substrate having the gate electrode and the gate line formed thereon;an active pattern formed on the first substrate having the first insulating layer formed thereon;source/drain electrodes formed on the first substrate having the active pattern formed thereon, and a data line crossing the gate line to define a pixel region;a second insulating layer formed on the first substrate having the source/drain electrodes and the data line formed thereon;a pixel electrode formed on the first substrate having the second insulating layer formed thereon, for generating a fringe field together with the metal layer of the color filter; anda second substrate bonded to the first substrate with facing each other, and having thereon no color filter, black matrix and common electrode. 11. The FFS mode LCD device of claim 10, further comprising a back electrode formed on the second substrate. 12. The FFS mode LCD device of claim 10, wherein the color filter is formed in a three-dimensional pattern structure having transmissive patterns of different sizes, the transmissive patterns for selectively transmitting light of red, green, and blue wavelengths. 13. The FFS mode LCD device of claim 10, wherein the metal layer is formed of one of aluminum, molybdenum, copper, gold, silver, and chrome. 14. The FFS mode LCD device of claim 10, wherein the transmissive pattern is formed of one of transparent polymer, Spin On Glass (SOG), organic material, and inorganic material. 15. The FFS mode LCD device of claim 10, wherein the transmissive pattern has one of a circular shape, a hole shape, an oval shape, a quadrangular shape, a triangular shape, and a slit shape. 16. The FFS mode LCD device of claim 10, further comprising, on the color filter, an insulating layer formed of a material of the first substrate. 17. The FFS mode LCD device of claim 10, wherein the pixel electrode has a plurality of slits in the pixel region. 18. The FFS mode LCD device of claim 10, wherein the metal layer of the color filter is formed in a single pattern on an entire pixel unit for displaying an image by a plurality of pixel regions.
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