• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a pixel array structure of a triangular structure that can exhibit oblique graphics and has redundancy for open defects in gate lines. The liquid crystal display of the present invention comprises: a plurality of data lines arranged at a predetermined interval from each other; A plurality of gate lines arranged at regular intervals to intersect the data lines, each of which is divided into a pair of gate lines; R, G, and B dots each divided into a plurality of subdots along the pair of gate lines, each subdot being arranged in a plurality of pixel division regions of a pixel region formed by the data line and the gate line, respectively. Wow; One pixel for each sub dot is arranged in the pixel division region, and R, G, and B dot driving switching elements are connected to the data line and the gate line.
    公开号:KR19990056714A
    申请号:KR1019970076725
    申请日:1997-12-29
    公开日:1999-07-15
    发明作者:신재학；최교운
    申请人:김영환；현대전자산업 주식회사；
    IPC主号:
    专利说明:

    LCD
    BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a liquid crystal display device, and more particularly, to a pixel array structure of a triangle structure, which can display a graphic in an oblique form and has redundancy for open defects in a gate line.
    The liquid crystal display device is composed of a color filter substrate expressing color by subtracting mixing of RGB, a TFT substrate for controlling each pixel, and a liquid crystal injected between the color filter substrate and the TFT substrate. The color filter substrate of the liquid crystal display device includes a plurality of pixels arranged in a matrix form of columns and rows. Each pixel consisted of a combination of red, green and blue dots.
    Representative pixel array methods for arranging the pixels include a triangular array, a stripe array, and a mosaic array. The vertical stripe arrangement method as shown in FIG. 1 is mainly used for O / A.
    Referring to FIG. 1, a plurality of gate lines G11, G12, G13,..., Arranged at a predetermined interval from each other in a vertical stripe array method are formed to extend in a column direction and are insulated from each other. The plurality of data lines D11, D12, D13, ... arranged at a predetermined interval from each other extend in a row direction to intersect the gate line, and are insulated from each other.
    Further, in the pixel areas PS11 to PS13 formed by the data lines D11, D12, ... and the gate lines G11, G12, ..., respectively, R, G, B dots RD, GD, BD Are arranged to constitute one pixel.
    In the pixel areas PS11 to PAS13, a dot in which a gate and a source or drain electrode are connected to a gate line and a data line at a portion where the data lines D11, D12,..., And the gate lines G11, G12,... The driving TFT switching elements T11, T12, and T13 are arranged respectively. Therefore, each R, G, B dot RD, GD, BD is arranged in one pixel area PS11, PS12, PS13, and each R, G, B dot is placed in each pixel area PS11-PS13. TFTs T11 to T13 for driving are arranged one by one, respectively.
    Referring to the pixel array structure of FIG. 1, the R, G, and B dots RD, GD, and BD constituting one pixel are arranged in a vertical direction, respectively. That is, each of the R dots RD, G dots GD, and B dots BD is arranged in a straight line along the data line in the row direction.
    The liquid crystal display device having the above vertical stripe array structure is a pixel array structure suitable for O / A, and its color implementation characteristics are not suitable for A / V as compared with the triangle array structure.
    The triangle array structure of FIG. 2 is used in the liquid crystal display device as a pixel array structure for improving color implementation characteristics. In the liquid crystal display of FIG. 2, a plurality of gate lines G21, G22, G23,... Which are arranged at a predetermined interval from each other are elongated in the column direction, and are insulated from each other. In addition, a plurality of data lines D21, D22, D23, ... arranged at predetermined intervals are insulated from each other so as to cross the gate line, and are twisted in a row direction, that is, in a zig-zag form. Are arranged.
    In addition, each of the pixel areas PS21 to PS23 formed by the data lines D21, D22, ..., and the gate lines G21, G22, ... has R, G, and B dots RD, GD, BD. ) Are arranged in triangle form.
    Dots in which gates and source or drain electrodes are connected to gate lines and data lines at portions where the data lines D21, D22,..., And gate lines G21, G22,... The driving TFT switching elements T21-T23 are arranged. Also in the liquid crystal display of FIG. 2, as in FIG. 1, each of the R, G, and B dots RD, GD, and BD are arranged in one pixel area PS21, PS22, PS23, and each pixel area PS21-. In PS23, TFTs T21-T23 for driving each of the R, G, and B dots are arranged one by one.
    The liquid crystal display device having the triangular pixel array structure of FIG. 2 has an advantage of superior color implementation characteristics as compared to the stripe pixel array structure of FIG. 1.
    However, in the liquid crystal display device having a triangular array structure as shown in FIG. 2, since the data lines are arranged in a twisted shape, that is, in a zigzag shape, the data lines are longer than the data lines of FIG. As a result, the resistance of the data line is increased and the incidence of open defects of the data line is increased.
    In addition, the conventional liquid crystal display device has a problem in that the yield is reduced since redundancy of the open defect of the gate line is not possible and is treated as a fail.
    SUMMARY OF THE INVENTION The present invention has been made in view of the above-described problems, and an object thereof is to provide a pixel array structure of a liquid crystal display device having a redundancy function for open defects in gate lines.
    Another object of the present invention is to provide a liquid crystal display device having a triangular pixel array structure which is excellent in color implementation characteristics and which is capable of graphic display of diagonal lines.
    Another object of the present invention is to provide a liquid crystal display device capable of reducing the RC delay of a data line than a conventional triangle pixel arrangement.
    1 is a planar structure diagram of a liquid crystal display device having a pixel array structure of a conventional stripes;
    2 is a planar structure diagram of a liquid crystal display device having a pixel array structure of a conventional triangle type;
    3 is a planar structure diagram of a liquid crystal display device having a pixel array structure having a triangle shape according to an embodiment of the present invention;
    (Explanation of symbols for the main parts of the drawing)
    G11-G17, G21-G27, G31-G35: Gate line
    D11-D16, D21-D26, D31-D40: Data Line
    PS11-PS13, PS21-PS23, PS31-PS36: Pixel Area
    T11-T13, T12-T23, T31-T36: TFT switching element
    RD: R dot R: R subdot
    GD: G dot G: G subdot
    BD: B dot B: B subdot
    In order to achieve the above object of the present invention, the present invention comprises a plurality of gate lines and data lines arranged to be spaced apart from each other; R, G, and B dots arranged in the pixel region formed by the data line and the gate line; A liquid crystal display device having R, G, and B dot driving switching elements arranged in a pixel area and connected to the data line and the gate line, wherein the gate line is divided into a pair of gate lines, and each pixel area Is divided into a plurality of pixel division regions along a pair of gate lines, and the R, G, and B dots are divided into sub dots, and each sub dot is arranged in the pixel division region. Characterized in that.
    According to an exemplary embodiment of the present invention, different R, G, and B subdots are arranged in the pixel division region of each pixel region. In two data lines adjacent to each other among the R, G, and B subdots arranged in the gate pairs, the same subdots are arranged side by side along the gate line to form R, G, and B dots.
    According to an embodiment of the present invention, the sub-dots connected in parallel to the odd-numbered data line and the even-numbered data line among the sub-dots arranged identically in the two adjacent data lines are the first gate of the pair of gate lines. The subdots connected to the line and connected to the even-numbered data line and the odd-numbered data line are connected to the second gate line of the pair of gate lines.
    According to an exemplary embodiment of the present invention, in the first gate line of each pair of data lines, R, G, and B dots are arranged in the order of neighboring data lines, and in the second gate line, B, R, It is characterized by being arranged in the order of G dots. The R, G, B dots arranged on the first gate line and the B, R, G dots arranged on the second gate line are shifted to one of the upper side or the lower side and to one of the left side or the right side by subdots. do.
    According to an embodiment of the present invention, the separated pair of gate lines are arranged in parallel with each other, and the same gate line driving signal is applied and driven simultaneously.
    According to an exemplary embodiment of the present invention, each pixel region is divided into two pixel division regions along a second gate line of a pair of gate lines, and the divided pixel division regions of each pixel region are divided among R, G, and B subdots. It is characterized in that different sub-dots are arranged. The switching elements are arranged one by one in the divided pixel division region where two switching elements are arranged in each pixel area, and the two switching elements are connected to a pair of gate lines, respectively, so that one servo dot is connected to one switching element. It is characterized in that the drive.
    According to the exemplary embodiment of the present invention, the switching elements arranged in two pixel areas are alternately arranged with respect to the gate line. The switching device connected to the first gate line of the two switching devices arranged in the pixel division region is connected to the even-numbered data line, and the switching device connected to the second gate line is connected to the odd-numbered data line. do.
    According to an exemplary embodiment of the present invention, switching elements for driving subdots arranged side by side in adjacent data lines among the switching elements arranged in each pixel division region are arranged side by side with respect to one of the neighboring data lines. Characterized in that arranged. The switching elements connected to the first gate line among the switching elements arranged side by side are arranged side by side with respect to the even-numbered data line, and the switching elements connected to the second gate line are arranged side by side with respect to the odd data line. It is characterized by.
    The present invention also provides a plurality of data lines arranged at regular intervals from each other; A plurality of gate lines arranged at regular intervals to intersect the data lines, each of which is divided into a pair of gate lines; R, G, and B dots each divided into a plurality of subdots along the pair of gate lines, each subdot being arranged in a plurality of pixel division regions of a pixel region formed by the data line and the gate line, respectively. Wow; According to an aspect of the present invention, there is provided a liquid crystal display device including an R, G, and B dot driving switching element arranged in each pixel in the pixel division area and connected to the data line and the gate line.
    Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.
    3 illustrates a liquid crystal display device having a pixel array structure having a triangle shape according to an embodiment of the present invention. Referring to FIG. 3, in the liquid crystal display according to the exemplary embodiment of the present invention, a plurality of gate lines G31, G32, G33,... Which are arranged at regular intervals are extended in the column direction and are insulated from each other. . The plurality of data lines D31, D32, D33, ... arranged at regular intervals from each other extend in a row direction to intersect the gate line and are insulated from each other.
    In the present invention, the data lines are twisted as in FIG. 2 so that the data lines are not arranged, but are arranged in parallel with each other as in FIG.
    In the present invention, the gate lines G31, G32, ... are each pair of gate lines G31a, G31b, G32a, G32b,. It is separated into a double gate line structure. 1 pair of gate lines G31a and G31b, G32a and G32b,... Each same gate line drive signal is applied to the pair of gate lines to be driven simultaneously.
    In the present invention, the gate lines are arranged in a double gate line structure so that each pixel region PS31 to PS36 is divided into two pixel division regions PS31a and PS31b to support the gate lines G31, G32, .... PS36b). In this case, each pixel area PS31 to PS36 is divided into two pixel division areas along the second gate line G31b, G32b, ... of the pair of gate lines G31, G32, ....
    Different subdots are arranged in each divided pixel division region, and these are arranged with regularity. Referring to FIG. 3, R, G, and B subdots are regularly arranged with six data lines, and the same subdots are arranged in neighboring data lines.
    For example, in the first data line and the second data lines D31 and D32, R subdots R are arranged side by side along the first gate lines G31a, G32a, ... of the pair of gate lines. In the two data lines and the third data lines D32 and D33, the B subdots B are arranged side by side along the second gate lines G31b, G32b, ... of the pair of gate lines.
    In the third and fourth data lines D33 and D34, the G sub-dots G are arranged side by side along the first gate lines G31a, G32a, ... of the pair of gate lines, and the fourth data line. In the line and the fifth data lines D34 and D35, the R subdots R are arranged side by side along the second gate lines G31b, G32b, ... of the pair of gate lines, and the fifth data line and the sixth data. In the lines D35 and D36, the B subdots B are arranged side by side along the first gate lines G31a, G32a, ... of the pair of gate lines.
    In the liquid crystal display element according to the embodiment of the present invention, two dot driving TFT switching elements are arranged per dot. That is, one switching element is arranged per sub dot.
    Therefore, in each pixel division region, the pair of gate lines G31a and G31b, G32a and G32b,... At the intersection of the data lines D1, D2, ..., the sub-dot driving TFT switching elements T31a, T31b, T32a, T32b, ..., whose gate and source or drain electrodes are connected to the gate line and the data line, respectively; Is arranged.
    At this time, in each pixel region PS31, P32, ..., the TFT switching elements T31a, T31b, T32a, T32b,... Which drive respective R, G, and B subdots. Are gate pairs of gate lines G31a and G31b, G32a and G32b, respectively. Source and / or drain electrodes are connected to two neighboring data lines, respectively. Therefore, in the pixel division region of one pixel region, the TFT switching elements for driving the subdots arranged in each pixel division region are arranged so as to be located in opposite directions along the gate line.
    Further, for the same subdots arranged side by side in the neighboring data lines, the TFT switching elements T31a, T32a, T32b, T33b, T33a, T34a,... These gates are connected to the same gate line, and the source / drain is also connected to the same data line, arranged side by side around one data line.
    That is, among the TFT switching elements arranged side by side with respect to one data line, the TFT switching elements T31a, T32a, T33a, T34a,... Are equally connected to the odd data lines D33, D35,... In both cases, the gate is connected to the first gate lines G31a, G32a, ... of the pair of gate lines. On the other hand, the TFT switching elements T32b, T33b, T34b, T35b,... Are connected to the even-numbered data lines D32, D32,... Are connected to the second gate lines G31b, G32b, ... of the pair of gate lines.
    That is, the odd-numbered data lines and the even-numbered data lines D31 and D32, (D33 and D34),... TFT switching elements T31a, T32a, T33a, T34a arranged next to each other; The silver gate is connected to the first gate line of the pair of gate lines. On the other hand, even-numbered data lines and odd-numbered data lines D32 and D33, (D34 and D35),... TFT switching elements T32b, T33b, T34b, T35b arranged next to each other; The gate is connected to the second gate line of the pair of gate lines.
    Also, in the present invention, two identical subdots are arranged side by side on two neighboring data lines, and the two subdots arranged side by side are shifted by subdots along the gate line, and different in the pixel division region in one pixel region. The R, G and B subdots of the color are arranged.
    For example, the R subdots arranged side by side with respect to the first gate line are shifted by one subdot from the B subdots arranged side by side with respect to the second gate line, and are arranged in the second gate lines arranged side by side. The related R subdots are arranged shifted by one subdot from the G subdots related to the first gate line.
    Accordingly, in the liquid crystal display of the present invention as described above, sub-dots arranged along each pair of gate lines are driven by two parallel switching elements each time the data lines are sequentially driven. Therefore, driving is performed for each of R, G, and B dots RD, GD, and BD.
    When the sub dots arranged along each gate pair are sequentially driven along the data line, the subdots connected to the first gate line and the second gate line are sequentially driven along the data line. That is, the sub-dots connected to the same gate line pair are driven in a triangle form because the sub dots are shifted up or down and left or right whenever the data lines are sequentially driven.
    For example, when the second data line D32 is driven, the switching elements T31a and T32a connected to the data line D32 and the first gate lines G31a, 32a, ... are driven and arranged side by side. When the subdot is driven to drive the R dot, and the third data line D33 is driven, the switching elements T32b and T33b connected to the data line D33 and the second gate lines G31b, G32b, ... Driven B subdots arranged side by side are driven to drive B dots. At this time, the R dot and the B dot are shifted by one subdot to the upper side and the right side.
    Subsequently, when the fourth data line D34 is driven, the G sub-dots arranged side by side by driving the switching elements T33a and T34a connected to the data line D34 and the first gate lines G31a, 32a,... Is driven to drive the G dot. At this time, the G dot is shifted by one subdot to the lower side and the right side than the B dot that was driven when the third data line D33 was driven.
    Subsequently, when the fifth data line D35 is driven, the R subs arranged in parallel with each other by driving the switching elements T34b and T35b connected to the data line D35 and the second gate lines G31b, G32b,... The dot is driven to drive the R dot. At this time, the B dot is shifted by one subdot to the upper side and the right side than the G dot driven during the fourth data line driving.
    As described above, in the present invention, each R, G, and B dot is driven by being shifted up or down and left, or right, by one subdot as the data lines are driven aberrationally, so that the R, G, and B subdots are in a triangle shape. Will be driven.
    In the liquid crystal display of the present invention, redundancy with respect to the open defect of the gate line is possible, but in the case of the liquid crystal display of FIGS. 1 and 2, redundancy is not possible when an open defect occurs in the gate line. For example, in the liquid crystal display of FIGS. 1 and 2, when an open defect occurs in the gate lines G12 and G22, the driving of the switching element connected to the second gate line in which the open occurs is impossible. As a result, R, G, and B dot driving in the open gate line was not possible, causing a failure.
    However, in the liquid crystal display of the present invention, for example, assuming that an open defect occurs in G31b of the pair of gate lines G31a and G31b constituting the first gate line G31, the second gate line ( The subdots connected to G31b are not driven, but the subdots connected to the first gate line 31a are driven to enable color expression in the first gate line G31. Thus, in the present invention, redundancy for open defects of the gate lines is possible by separating and arranging the gate lines into double gate lines.
    According to the present invention as described above, the data lines are sequentially arranged by separating the gate lines into a pair of gate lines, arranging one pixel region into two pixel division regions, and arranging the same subdots in two neighboring data lines. As the R, G, and B dots are driven by being shifted up, down, left, and right by one subdot, the pixels can be driven in a triangle.
    As a result, it is possible to display a graphic in an oblique form as well as to improve the color realization characteristics required in the A / V liquid crystal display device.
    In addition, in the liquid crystal display of the present invention, since the pixels are arranged in a triangle structure, the data lines are elongated in a straight line, and thus, the length of the data lines is shorter than in the conventional triangle structure, thereby reducing the RC delay.
    In addition, the liquid crystal display of the present invention can form a gate line in a double gate line structure so that even if an open defect occurs in one gate line and the pixel can be driven by another gate line, a redundancy function is added to improve the yield. There is an advantage that can be improved.
    In addition, this invention can be implemented in various changes within the range which does not deviate from the summary.
    权利要求:
    Claims (21)
    [1" claim-type="Currently amended] A plurality of gate lines and data lines arranged at regular intervals crossing each other; R, G, and B dots arranged in the pixel region formed by the data line and the gate line; A liquid crystal display device comprising: switching elements for R, G, and B dot driving arranged in a pixel area and connected to the data line and the gate line;
    The gate line is divided into a pair of gate lines, and each pixel region is divided into a plurality of pixel division regions along the pair of gate lines, and the R, G, and B dots are divided into subdots to divide each pixel. And two data lines adjacent to each other among the R, G, and B subdots, in which the same subdots are arranged side by side along the gate line.
    [2" claim-type="Currently amended] The liquid crystal display of claim 1, wherein different R, G, and B subdots are arranged in the pixel division region of each pixel region.
    [3" claim-type="Currently amended] The sub-dots of claim 1, wherein the sub-dots connected in parallel to the odd-numbered data line and the even-numbered data line among the sub-dots arranged identically in the two adjacent data lines are connected to the first gate line of the pair of gate lines. And sub-dots connected to the even-numbered data line and the odd-numbered data line in parallel to a second gate line of the pair of gate lines.
    [4" claim-type="Currently amended] 4. The method of claim 3, wherein the first gate line of each pair of data lines is arranged in order of R, G, and B dots in a neighboring data line, and in the second gate line, B, R, and G dots are arranged in a neighboring data line. Liquid crystal display device characterized in that arranged in order.
    [5" claim-type="Currently amended] 5. The method of claim 4, wherein one of the upper, lower, and sub-dots is shifted between the R, G, and B dots arranged on the first gate line and the B, R, and G dots arranged on the second gate line by one of the upper and lower sides. And arranged in a liquid crystal display.
    [6" claim-type="Currently amended] The liquid crystal display device according to claim 1, wherein the pair of separated gate lines are arranged in parallel to each other so that the same gate line driving signal is applied and driven simultaneously.
    [7" claim-type="Currently amended] 2. The pixel region of claim 1, wherein each pixel region is divided into two pixel division regions along a second gate line of a pair of gate lines, and the divided pixel division regions of each pixel region are different from each other among R, G, and B subdots. A liquid crystal display device, characterized in that the sub-dots are arranged.
    [8" claim-type="Currently amended] The method of claim 7, wherein two switching elements are arranged in each pixel area, and each of the switching elements is arranged in a divided pixel division area, and each of the two switching elements is connected to a pair of gate lines, thereby providing one servo. A liquid crystal display device characterized in that one switching device drives a dot.
    [9" claim-type="Currently amended] 10. The liquid crystal display device according to claim 9, wherein the two switching elements arranged in each pixel area are alternately arranged with respect to a gate line.
    [10" claim-type="Currently amended] 10. The switching device of claim 9, wherein the switching device connected to the first gate line of the two switching devices arranged in the pixel division region is connected to the even-numbered data line, and the switching device connected to the second gate line is connected to the odd data line. Liquid crystal display device characterized in that the connection.
    [11" claim-type="Currently amended] The switching device of claim 8, wherein the switching devices for driving the subdots arranged side by side in adjacent data lines among the switching elements arranged in each pixel division region are arranged side by side with respect to one of the neighboring data lines. Liquid crystal display device characterized in that.
    [12" claim-type="Currently amended] The switching device of claim 11, wherein the switching devices connected to the first gate line among the switching devices arranged side by side are arranged side by side with respect to the even-numbered data line, and the switching devices connected to the second gate line are centered on the odd data line. Liquid crystal display device characterized in that arranged side by side.
    [13" claim-type="Currently amended] A plurality of data lines arranged at regular intervals from each other;
    A plurality of gate lines arranged at regular intervals to intersect the data lines, each of which is divided into a pair of gate lines;
    The sub-dots are divided into a plurality of sub-dots along the pair of gate lines, respectively, and each sub-dot is arranged in a plurality of pixel division regions of the pixel region formed by the data line and the gate line, respectively, and the R, G, and B Two data lines neighboring each other among the subdots, R, G, and B dots in which the same subdots are arranged side by side along the gate line;
    And R, G, and B dot driving switching elements arranged in the pixel division area, one for each sub dot and connected to the data line and the gate line.
    [14" claim-type="Currently amended] 15. The pixel division region of claim 13, wherein each pixel region is divided into two pixel division regions along a second gate line of the pair of gate lines, and the divided pixel division regions of each pixel region are different from each other among R, G, and B subdots. A liquid crystal display device, characterized in that the sub-dots are arranged.
    [15" claim-type="Currently amended] The sub-dots of claim 13, wherein the sub-dots connected in parallel to the odd-numbered data line and the even-numbered data line among the sub-dots arranged in two adjacent data lines are connected to the first gate line of the pair of gate lines. And sub-dots connected to the even-numbered data line and the odd-numbered data line in parallel to a second gate line of the pair of gate lines.
    [16" claim-type="Currently amended] The method of claim 15, wherein the first gate line is arranged in the order of R, G, and B dots, and the second gate line is arranged in the order of B, R, and G dots, and the sub-dots are formed between the first gate line and the second gate line. And shifted by one of the upper side or the lower side and shifted to one of the left side and the right side.
    [17" claim-type="Currently amended] 15. The apparatus of claim 13, wherein two switching elements are arranged in each pixel area, and each of the switching elements is arranged in a divided pixel division area, and two switching elements are connected to a pair of gate lines, respectively. A liquid crystal display device characterized in that one switching device drives a dot.
    [18" claim-type="Currently amended] The switching device of claim 17, wherein the switching device connected to the first gate line of the two switching devices arranged in the pixel division region is connected to the even-numbered data line, and the switching device connected to the second gate line is connected to the odd-numbered data line. Liquid crystal display device characterized in that the connection.
    [19" claim-type="Currently amended] The switching device of claim 13, wherein the switching devices for driving the subdots arranged side by side in adjacent data lines among the switching elements arranged in each pixel division area are arranged side by side with respect to one of the neighboring data lines. Liquid crystal display device characterized in that.
    [20" claim-type="Currently amended] 20. The switching device of claim 19, wherein the switching devices connected to the first gate line among the switching devices arranged side by side are arranged side by side with respect to the even-numbered data line, and the switching devices connected to the second gate line are centered on the odd data line. Liquid crystal display device characterized in that arranged side by side.
    [21" claim-type="Currently amended] The liquid crystal display device according to claim 13, wherein the separated pair of gate lines are arranged in parallel to each other so that the same gate line driving signal is applied and driven at the same time.
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    同族专利:
    公开号 | 公开日
    KR100257485B1|2000-06-01|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    法律状态:
    1997-12-29|Application filed by 김영환, 현대전자산업 주식회사
    1997-12-29|Priority to KR1019970076725A
    1998-12-21|Priority claimed from US09/217,350
    1999-07-15|Publication of KR19990056714A
    2000-06-01|Application granted
    2000-06-01|Publication of KR100257485B1
    优先权:
    申请号 | 申请日 | 专利标题
    KR1019970076725A|KR100257485B1|1997-12-29|1997-12-29|Liquid crystal display device|
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