JP2008083223A - Semiconductor device for liquid crystal driving - Google Patents

Semiconductor device for liquid crystal driving Download PDF

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JP2008083223A
JP2008083223A JP2006261152A JP2006261152A JP2008083223A JP 2008083223 A JP2008083223 A JP 2008083223A JP 2006261152 A JP2006261152 A JP 2006261152A JP 2006261152 A JP2006261152 A JP 2006261152A JP 2008083223 A JP2008083223 A JP 2008083223A
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liquid crystal
semiconductor device
crystal display
bumps
display device
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Hiroshi Kiya
洋 木屋
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Seiko Epson Corp
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a semiconductor device for liquid crystal driving which can be provided with a wiring corresponding to a plurality of second bumps without making the distance between a liquid crystal display device and a semiconductor device for liquid crystal driving long. <P>SOLUTION: In a liquid crystal display system including a substrate, the liquid crystal display device, the semiconductor device for liquid crystal driving, and a plurality of wirings, a plurality of first bumps which should be disposed relatively inside on a surface of the semiconductor device for liquid crystal driving are at positions closest to one side of the liquid crystal display device and disposed nearby a side shorter than the one side along the side, and the plurality of second bumps which should be disposed relatively outside on the surface of the semiconductor device for liquid crystal driving are disposed at positions not nearby sides of the semiconductor device for liquid crystal driving. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

本発明は、液晶表示システムにおける、液晶表示装置を駆動するためのゲート電圧及びソース電圧を出力するためのバンプを有する液晶駆動用半導体装置に関する。   The present invention relates to a semiconductor device for driving a liquid crystal having bumps for outputting a gate voltage and a source voltage for driving the liquid crystal display device in a liquid crystal display system.

図２に示されるように、従来の液晶表示システムｐは、基板ＳＢと、当該基板ＳＢ上に設けられた液晶表示装置ＬＤと、前記基板ＳＢ上に設けられ前記液晶表示装置ＬＤを駆動するためのゲート線及びソース線を出力する液晶駆動用半導体装置ｄｉｃとを含む。加えて、液晶表示装置ＬＤが、３２０×２４０の画素（各画素は３色（ＲＧＢ）で表現される。）からなるＱＶＧＡ（Ｑｕａｒｔｅｒ Ｖｉｄｅｏ Ｇｒａｐｈｉｃｓ Ａｒｒａｙ）タイプであることを想定すると、液晶表示装置ＬＤが、３２０本のゲート線ＧＬ１、ＧＬ２、．．．、ＧＬ３２０、及び、７２０本（＝３色×２４０本）のソース線ＳＬ１、ＳＬ２、．．．ＳＬ７２０を有することから、液晶表示システムｐは、前記液晶表示装置ＬＤと前記液晶駆動用半導体装置ｄｉｃとを接続すべく、更に、３２０本のゲート線用配線ｇｗ１〜ｇｗ１６０、ｇｗ１６１〜ｇｗ３２０と、７２０本のソース線用配線ＳＷ１〜ＳＷ７２０とを含む。   As shown in FIG. 2, the conventional liquid crystal display system p is for driving the substrate SB, the liquid crystal display device LD provided on the substrate SB, and the liquid crystal display device LD provided on the substrate SB. And a liquid crystal driving semiconductor device dic for outputting the gate line and the source line. In addition, assuming that the liquid crystal display device LD is a QVGA (Quarter Video Graphics Array) type composed of 320 × 240 pixels (each pixel is expressed in three colors (RGB)), the liquid crystal display device LD. Are the 320 gate lines GL1, GL2,. . . , GL320 and 720 (= 3 colors × 240) source lines SL1, SL2,. . . Since the liquid crystal display system p includes the SL 720, the liquid crystal display system p further includes 320 gate line wirings gw1 to gw160, gw161 to gw320, and 720 to connect the liquid crystal display device LD and the liquid crystal driving semiconductor device dic. Source line wirings SW1 to SW720.

上記したような構成を有する液晶表示システムｐでは、液晶駆動用半導体装置ｄｉｃにおける、液晶表示装置ＬＤに最も近い辺ＳＤ１に沿って３２０個のゲート線用バンプｇｂ１〜ｇｂ１６０、ｇｂ１６１〜ｇｂ３２０、及び、７２０個のソース線用バンプＳＢ１〜ＳＢ７２０が設けられている。   In the liquid crystal display system p having the above-described configuration, 320 gate line bumps gb1 to gb160, gb161 to gb320 along the side SD1 closest to the liquid crystal display device LD in the liquid crystal driving semiconductor device dic, and 720 source line bumps SB1 to SB720 are provided.

前記液晶駆動用半導体装置ｄｉｃにおける、前記３２０個のゲート線用バンプｇｂ１〜１６０、ｇｂ１６１〜ｇｂ３２０、及び、７２０個のソース線用バンプＳＢ１〜ＳＢ７２０と、前記液晶表示装置ＬＤにおける３２０本のゲート線ＧＬ１〜ＧＬ３２０、及び、７２０本のソース線ＳＬ１〜ＳＬ７２０とが、３２０本のゲート線用配線ｇｗ１〜ｇｗ１６０、ｇｗ１６１〜ｇｗ３２０、及び、７２０本のソース線用配線ＳＷ１〜ＳＷ７２０により接続されている。上記したように、液晶駆動用半導体装置ｄｉｃにおける辺ＳＤ１は、液晶表示装置ＬＤに最も近いことから、これらの配線の長さは、最も短くなっている。   The 320 gate line bumps gb1 to 160, gb161 to gb320, and 720 source line bumps SB1 to SB720 in the liquid crystal driving semiconductor device dic, and 320 gate lines in the liquid crystal display device LD. GL1 to GL320 and 720 source lines SL1 to SL720 are connected by 320 gate line wirings gw1 to gw160, gw161 to gw320, and 720 source line wirings SW1 to SW720. As described above, since the side SD1 in the liquid crystal driving semiconductor device dic is closest to the liquid crystal display device LD, the lengths of these wirings are the shortest.

しかしながら、従来の液晶表示システムｐでは、前記液晶駆動用半導体装置ｄｉｃの辺ＳＤ１に対向する、液晶表示装置ＬＤの辺ＳＤ１１（ゲート線ＧＬ１〜ＧＬ３２０、ソース線ＳＬ１〜ＳＬ７２０の端部が設けられている辺）が、前記液晶駆動用半導体装置ｄｉｃの辺ＳＤ１に比較して長く、他方で、両辺ＳＤ１、ＳＤ１１間が比較的狭い。これにより、前記辺ＳＤ１とゲート線用配線ｇｗ１〜ｇｗ１６０、ｇｗ１６１〜ｇｗ３２０とのなす角θが、極めて鋭角になり、また、ゲート線用バンプｇｂ１〜ｇｂ１６０、ｇｂ１６１〜ｇｂ３２０により規定される線分を「一方の底辺」として、ゲート線ＧＬ１〜ＧＬ３２０の前記端部により規定される線分を「他方の底辺」とし、両辺ＳＤ１、ＳＤ１１間の距離を「高さ」とする「台形」の面積が極めて小さくなる。この結果、ゲート線用配線ｇｗ１〜ｇｗ１６０、ｇｗ１６１〜ｇｗ３２０が相互に接触する恐れが高くなる。その結果、前記液晶表示装置ＬＤ及び前記液晶駆動用半導体装置ｄｉｃ間の距離を長くしなければ、ゲート線用配線ｇｗ１〜ｇｗ１６０、ｇｗ１６１〜ｇｗ３２０を設けることができないという問題があった。   However, in the conventional liquid crystal display system p, the side SD11 (the ends of the gate lines GL1 to GL320 and the source lines SL1 to SL720) of the liquid crystal display device LD facing the side SD1 of the liquid crystal driving semiconductor device dic is provided. Is longer than the side SD1 of the liquid crystal driving semiconductor device dic, and on the other hand, the distance between both sides SD1 and SD11 is relatively narrow. As a result, the angle θ formed by the side SD1 and the gate line wirings gw1 to gw160, gw161 to gw320 becomes extremely acute, and the line segments defined by the gate line bumps gb1 to gb160 and gb161 to gb320 are changed. An area of “trapezoid” in which the line segment defined by the end portions of the gate lines GL1 to GL320 is “the other base” and the distance between both sides SD1 and SD11 is “height” as “one base” Extremely small. As a result, there is a high possibility that the gate line wirings gw1 to gw160 and gw161 to gw320 are in contact with each other. As a result, there is a problem that the gate line wirings gw1 to gw160 and gw161 to gw320 cannot be provided unless the distance between the liquid crystal display device LD and the liquid crystal driving semiconductor device dic is increased.

本発明に係る液晶駆動用半導体装置では、上記した課題を解決すべく、
基板と、
前記基板上に設けられ、複数のゲート線と、複数のソース線と、前記複数のゲート線と前記複数のソース線とが交差する位置に設けられた複数の液晶とを有する液晶表示装置であって、前記複数のゲート線及び前記複数のソース線の端部が、当該液晶表示装置の一の辺に設けられている前記液晶表示装置と、
前記複数の液晶を駆動すべく、前記複数のゲート線及び前記複数のソース線を介して前記複数の液晶に印加するゲート電圧及びソース電圧を出力するための複数のバンプを有する液晶駆動用半導体装置と、
前記液晶表示装置の前記ゲート線及び前記ソース線と、前記液晶駆動用半導体装置の前記複数のバンプとを接続するための複数の配線と、を含む液晶表示システムにおいて、
前記複数のバンプのうち、前記液晶駆動用半導体装置の表面において相対的に内側に配置されるべき第１の複数のバンプが、当該液晶駆動用半導体装置における、前記液晶表示装置の前記一の辺に最も近い位置にあり、当該一の辺より短い辺の近傍で当該辺に沿って配置され、
前記複数のバンプのうち、前記液晶駆動用半導体装置の表面において相対的に外側に配置されるべき第２の複数のバンプが、当該液晶駆動用半導体装置における、前記辺の近傍以外の位置に配置されている。 In the semiconductor device for driving a liquid crystal according to the present invention, in order to solve the above problems,
A substrate,
A liquid crystal display device provided on the substrate and having a plurality of gate lines, a plurality of source lines, and a plurality of liquid crystals provided at positions where the plurality of gate lines and the plurality of source lines intersect. The liquid crystal display device in which ends of the plurality of gate lines and the plurality of source lines are provided on one side of the liquid crystal display device;
A liquid crystal driving semiconductor device having a plurality of bumps for outputting a gate voltage and a source voltage applied to the plurality of liquid crystals via the plurality of gate lines and the plurality of source lines in order to drive the plurality of liquid crystals. When,
In a liquid crystal display system including the gate line and the source line of the liquid crystal display device, and a plurality of wirings for connecting the plurality of bumps of the liquid crystal driving semiconductor device,
Among the plurality of bumps, the first plurality of bumps to be disposed relatively inside the surface of the liquid crystal driving semiconductor device is the one side of the liquid crystal display device in the liquid crystal driving semiconductor device. Is located along the side in the vicinity of the side shorter than the one side,
Among the plurality of bumps, the second plurality of bumps to be disposed relatively outside on the surface of the liquid crystal driving semiconductor device are disposed at positions other than the vicinity of the side in the liquid crystal driving semiconductor device. Has been.

本発明に係る液晶駆動用半導体装置では、前記第２の複数のバンプが、当該液晶駆動用半導体装置における、前記辺の近傍以外の位置に配置されていることにより、前記第２の複数のバンプと、前記複数のゲート線及び前記複数のソース線のうち前記第２の複数のバンプに対応する線の端部と、前記液晶表示装置の前記一の辺及び前記液晶駆動用半導体装置の前記辺間の距離とにより特定される面積、及び、前記複数の配線のうち前記第２の複数のバンプに対応する配線と前記辺との成す角が、従来に比して大きくなることから、前記液晶表示装置及び前記液晶駆動用半導体装置間の距離を長くすることなく、当該第２の複数のバンプに対応する配線を設けることができる。   In the semiconductor device for driving a liquid crystal according to the present invention, the second plurality of bumps are arranged at positions other than the vicinity of the side in the semiconductor device for driving a liquid crystal. An end of a line corresponding to the second plurality of bumps among the plurality of gate lines and the plurality of source lines, the one side of the liquid crystal display device, and the side of the liquid crystal driving semiconductor device. The area defined by the distance between them, and the angle formed between the side corresponding to the second plurality of bumps and the side among the plurality of wirings are larger than in the past, so that the liquid crystal Wiring corresponding to the second plurality of bumps can be provided without increasing the distance between the display device and the liquid crystal driving semiconductor device.

上記した本発明に係る液晶駆動用半導体装置では、
前記液晶駆動用半導体装置の前記辺と、前記複数の配線のうち前記第２の複数のバンプに対応する２以上の配線とが規定する面積及び角度が、当該２以上の配線が占める面積、及び、前記第１の複数のバンプの位置により特定される要件を満足する。 In the above-described semiconductor device for driving a liquid crystal according to the present invention,
An area and an angle defined by the side of the semiconductor device for driving a liquid crystal and two or more wirings corresponding to the second plurality of bumps among the plurality of wirings, and an area occupied by the two or more wirings; and Satisfy the requirements specified by the position of the first plurality of bumps.

本発明に係る液晶駆動用半導体装置を含む液晶表示システムの実施例について図面を参照して説明する。   Embodiments of a liquid crystal display system including a semiconductor device for driving a liquid crystal according to the present invention will be described with reference to the drawings.

図１は、実施例の液晶表示システムの構成を示す。実施例の液晶表示システムＰは、図１に示されるように、基板ＳＢと、液晶表示装置ＬＤと、ゲート線用配線ＧＷ１〜ＧＷ１６０、ＧＷ１６１〜ＧＷ３２０と、ソース線用配線ＳＷ１〜ＳＷ７２０と、液晶駆動用半導体装置ＤＩＣと、を含む。   FIG. 1 shows a configuration of a liquid crystal display system of an embodiment. As shown in FIG. 1, the liquid crystal display system P of the embodiment includes a substrate SB, a liquid crystal display device LD, gate line wirings GW1 to GW160, GW161 to GW320, source line wirings SW1 to SW720, and liquid crystal. A driving semiconductor device DIC.

基板ＳＢは、例えば、ガラスからなり、矩形の薄板状である。   The substrate SB is made of glass, for example, and has a rectangular thin plate shape.

液晶表示装置ＬＤは、薄膜トランジスタ（ＴＦＴ）型であり、ＱＶＧＡであることを想定すると、３２０本のゲート線ＧＬ１、ＧＬ２、．．．、ＧＬ３２０、及び、７２０本のソース線ＳＬ１、ＳＬ２、、．．．ＳＬ７２０が配線されている。より詳しくは、ゲート線ＧＬ１〜ＧＬ３２０は、液晶表示装置ＬＤの輪郭の近傍（外側）で当該輪郭に沿って、即ち、Ｌ字状に配線されており、他方で、ソース線ＳＬ１〜ＳＬ７２０は、液晶表示装置ＬＤの中央近傍（内側）で、直線状に配線されている。ゲート線ＧＬ１〜ＧＬ３２０、及び、ソース線ＳＬ１〜ＳＬ７２０が交差する各位置には、従来知られたように、ＴＦＴ及び液晶（図示せず。）が配置されている。当該各液晶は、液晶駆動用半導体装置ＤＩＣから出力され、ゲート線ＧＬ１〜ＧＬ３２０、ソース線ＳＬ１〜ＳＬ７２０、及び、ＴＦＴを介して印加されるゲート電圧及びソース電圧により駆動される。   Assuming that the liquid crystal display device LD is a thin film transistor (TFT) type and is a QVGA, 320 gate lines GL1, GL2,. . . , GL320 and 720 source lines SL1, SL2,. . . SL720 is wired. More specifically, the gate lines GL1 to GL320 are wired in the vicinity (outside) of the contour of the liquid crystal display device LD along the contour, that is, in an L shape. On the other hand, the source lines SL1 to SL720 are Wiring is linearly performed near the center (inside) of the liquid crystal display device LD. As is known in the art, TFTs and liquid crystals (not shown) are arranged at positions where the gate lines GL1 to GL320 and the source lines SL1 to SL720 intersect. Each liquid crystal is output from the liquid crystal driving semiconductor device DIC, and is driven by the gate voltage and the source voltage applied via the gate lines GL1 to GL320, the source lines SL1 to SL720, and the TFTs.

ゲート線用配線ＧＷ１〜ＧＷ１６０、ＧＷ１６１〜ＧＷ３２０、及び、ソース線用配線ＳＷ１〜ＳＷ７２０は、例えば、アルミニウムや銅からなり、液晶駆動用半導体装置ＤＩＣが、液晶表示装置ＬＤにゲート電圧及びソース電圧を印加することができるように、液晶表示装置ＬＤの辺ＳＤ１１上における、ゲート線ＧＬ１〜ＧＬ３２０の端部ＧＥ１〜ＧＥ３２０、及び、ソース線ＳＬ１〜ＳＬ７２０の端部ＳＥ１〜ＳＥ７２０と、液晶駆動用半導体装置ＤＩＣのゲート線用バンプＧＢ１〜ＧＢ３２０、ソース線用バンプＳＢ１〜ＳＢ７２０（詳細は後述。）とを接続している。   The gate line wirings GW1 to GW160, GW161 to GW320, and the source line wirings SW1 to SW720 are made of, for example, aluminum or copper, and the liquid crystal driving semiconductor device DIC supplies the gate voltage and the source voltage to the liquid crystal display device LD. The edge portions GE1 to GE320 of the gate lines GL1 to GL320, the edge portions SE1 to SE720 of the source lines SL1 to SL720 on the side SD11 of the liquid crystal display device LD, and the liquid crystal driving semiconductor device DIC gate line bumps GB1 to GB320 and source line bumps SB1 to SB720 (details will be described later) are connected.

液晶駆動用半導体装置ＤＩＣは、ゲート線用配線ＧＷ１〜ＧＷ３２０、及び、ソース線用配線ＳＷ１〜ＳＷ７２０を固定するためのゲート線用バンプＧＢ１〜ＧＢ１６０、ＧＢ１６１〜ＧＢ３２０、及び、ソース線用バンプＳＢ１〜ＳＢ７２０を備える。液晶表示装置ＬＤの中央寄り（側辺ＳＤ２、ＳＤ３から相対的に遠い領域）に位置すべきソース用配線ＳＷ１〜ＳＷ７２０については、ソース線用バンプＳＢ１〜ＳＢ７２０は、従来と同様に、液晶駆動用半導体装置ＤＩＣにおける、液晶表示装置ＬＤの辺ＳＤ１１に最も近く、辺ＳＤ１１に平行であり、辺ＳＤ１１より短い辺ＳＤ１の近傍で当該辺ＳＤ１に沿って配置されている。   The liquid crystal driving semiconductor device DIC includes gate line wirings GW1 to GW320 and gate line bumps GB1 to GB160, GB161 to GB320 for fixing the source line wirings SW1 to SW720, and source line bumps SB1 to SB1. SB720 is provided. As for the source wirings SW1 to SW720 that should be located near the center of the liquid crystal display device LD (region far from the sides SD2 and SD3), the source line bumps SB1 to SB720 are used for driving the liquid crystal as in the prior art. The semiconductor device DIC is disposed along the side SD1 in the vicinity of the side SD1 that is closest to the side SD11 of the liquid crystal display device LD, is parallel to the side SD11, and is shorter than the side SD11.

他方で、液晶表示装置ＬＤの外側寄り（側辺ＳＤ２、ＳＤ３に相対的に近い領域）に位置すべきゲート線用配線ＧＷ１〜ＧＷ１６０、ＧＷ１６１〜ＧＷ３２０については、ゲート線用バンプＧＢ１〜ＧＢ１６０、ＧＢ１６１〜ＧＢ３２０は、液晶表示装置ＬＤの辺ＳＤ１の近傍ではなく、液晶表示装置ＬＤの表面における中央寄り（辺ＳＤ１から離れた位置）に配置されている。   On the other hand, for the gate line wirings GW1 to GW160 and GW161 to GW320 that should be positioned closer to the outside of the liquid crystal display device LD (regions relatively close to the sides SD2 and SD3), the gate line bumps GB1 to GB160 and GB161 are provided. ... To GB320 are not located near the side SD1 of the liquid crystal display device LD, but closer to the center (position away from the side SD1) on the surface of the liquid crystal display device LD.

上記した実施例の液晶表示システムＰによれば、液晶表示装置ＬＤの外側近傍に配線すべきゲート線ＧＬ１〜ＧＬ１６０、ＧＬ１６１〜ＧＬ３２０と接続すべきゲート線用配線ＧＷ１〜ＧＷ１６０、ＧＷ１６１〜ＧＷ３２０のためのゲート線用バンプＧＢ１〜ＧＢ１６０、ＧＢ１６１〜ＧＢ３２０が、液晶表示装置ＬＤの中央近傍に配置されている。これにより、液晶表示装置ＬＤ及び液晶駆動用半導体装置ＤＩＣ間で、ゲート線用配線ＧＷ１〜ＧＷ１６０、ＧＷ１６１〜ＧＷ３２０を設けるための面積Ｍ、即ち、ゲート線ＧＬ１〜ＧＬ１６０の端部ＧＥ１〜ＧＥ１６０（台形の一方の底辺に相当。）と、ゲート線用バンプＧＢ１〜ＧＢ１６０（前記台形の他方の底辺に相当。）と、辺ＳＤ１及び辺ＳＤ１１間の距離（前記台形の高さに相当。）により定める台形の面積Ｍ、並びに、ゲート線ＧＬ１６１〜ＧＬ３２０の端部ＧＥ１６１〜ＧＥ３２０（台形の一方の底辺に相当。）と、ゲート線用バンプＧＢ１６１〜ＧＢ３２０（前記台形の他方の底辺に相当。）と、辺ＳＤ１及び辺ＳＤ１１間の距離（前記台形の高さに相当。）により定める他の台形の面積Ｍが従来に比して大きくなり、また、辺ＳＤ１及びゲート線用配線ＧＷ１〜ＧＷ１６０、ＧＷ１６１〜ＧＷ３２０の各々とにより定まる角度θが従来に比して大きくなる。この結果、液晶表示装置ＬＤの辺ＳＤ１１及び液晶駆動用半導体装置ＤＩＣの辺ＳＤ１間に、ゲート線用配線ＧＷ１〜ＧＷ１６０、ＧＷ１６１〜ＧＷ３２０を相互に接触することなく配線することが可能となる。   According to the liquid crystal display system P of the above-described embodiment, because of the gate line wirings GW1 to GW160 and GW161 to GW320 to be connected to the gate lines GL1 to GL160 and GL161 to GL320 to be wired near the outside of the liquid crystal display device LD. The gate line bumps GB1 to GB160 and GB161 to GB320 are arranged in the vicinity of the center of the liquid crystal display device LD. Accordingly, the area M for providing the gate line wirings GW1 to GW160 and GW161 to GW320 between the liquid crystal display device LD and the liquid crystal driving semiconductor device DIC, that is, the end portions GE1 to GE160 (trapezoids) of the gate lines GL1 to GL160. ), The gate line bumps GB1 to GB160 (corresponding to the other bottom of the trapezoid), and the distance between the sides SD1 and SD11 (corresponding to the height of the trapezoid). Trapezoid area M, end portions GE161 to GE320 of gate lines GL161 to GL320 (corresponding to one bottom side of the trapezoid), gate line bumps GB161 to GB320 (corresponding to the other bottom side of the trapezoid), and The area M of another trapezoid determined by the distance between the side SD1 and the side SD11 (corresponding to the height of the trapezoid) is larger than the conventional one. , Side SD1 and the gate line wiring GW1～GW160, the angle θ defined by the respective GW161~GW320 becomes larger than the conventional. As a result, the gate line wirings GW1 to GW160 and GW161 to GW320 can be wired between the side SD11 of the liquid crystal display device LD and the side SD1 of the liquid crystal driving semiconductor device DIC without contacting each other.

《変形例》
上記したような、ゲート線用バンプＧＢ１〜ＧＢ１６０、ＧＢ１６１〜ＧＢ３２０を、液晶駆動用半導体ＤＩＣの表面の中央近傍に設けることに代えて、辺ＳＤ２、ＳＤ３、ＳＤ４に設けることも可能であり、更には、上記した台形の面積Ｍが、ゲート線用配線ＧＷ１〜ＧＷ１６０、ＧＷ１６１〜ＧＷ３２０が占める面積（配線自身の面積と配線間の面積とからなる。）より大きく、かつ、上記した角度θが、例えば、ゲート線用配線ＧＷ１６０とソース線用バンプＳＢ１とが接触せず、同様に、ゲート線用配線ＧＷ１６１と、ソース線用バンプＳＢ７２０とが接触しないような大きさであれば、他の位置に設けることによっても、上記したと同様な効果を得ることができる。 <Modification>
Instead of providing the gate line bumps GB1 to GB160 and GB161 to GB320 in the vicinity of the center of the surface of the liquid crystal driving semiconductor DIC as described above, it is also possible to provide them on the sides SD2, SD3, and SD4. Is larger than the area occupied by the gate line wirings GW1 to GW160 and GW161 to GW320 (consisting of the area of the wiring itself and the area between the wirings), and the angle θ described above is For example, the gate line wiring GW160 and the source line bump SB1 are not in contact with each other, and similarly, the gate line wiring GW161 and the source line bump SB720 are not in contact with each other at another position. By providing, the same effect as described above can be obtained.

実施例の液晶表示システムの構成を示す図。The figure which shows the structure of the liquid crystal display system of an Example. 従来の液晶表示システムの構成を示す図。The figure which shows the structure of the conventional liquid crystal display system.

符号の説明Explanation of symbols

Ｐ…液晶表示システム、ＬＤ…液晶表示装置、ＤＩＣ…液晶駆動用半導体装置、ＳＢ…基板、ＧＢ１〜ＧＢ１６０、ＧＢ１６１〜ＧＢ３２０…ゲート線用バンプ。   P ... Liquid crystal display system, LD ... Liquid crystal display device, DIC ... Liquid crystal driving semiconductor device, SB ... Substrate, GB1-GB160, GB161-GB320 ... Bump for gate line.

Claims (2)

基板と、
前記基板上に設けられ、複数のゲート線と、複数のソース線と、前記複数のゲート線と前記複数のソース線とが交差する位置に設けられた複数の液晶とを有する液晶表示装置であって、前記複数のゲート線及び前記複数のソース線の端部が、当該液晶表示装置の一の辺に設けられている前記液晶表示装置と、
前記複数の液晶を駆動すべく、前記複数のゲート線及び前記複数のソース線を介して前記複数の液晶に印加するゲート電圧及びソース電圧を出力するための複数のバンプを有する液晶駆動用半導体装置と、
前記液晶表示装置の前記ゲート線及び前記ソース線と、前記液晶駆動用半導体装置の前記複数のバンプとを接続するための複数の配線と、を含む液晶表示システムにおいて、
前記複数のバンプのうち、前記液晶駆動用半導体装置の表面において相対的に内側に配置されるべき第１の複数のバンプが、当該液晶駆動用半導体装置における、前記液晶表示装置の前記一の辺に最も近い位置にあり、当該一の辺より短い辺の近傍で当該辺に沿って配置され、
前記複数のバンプのうち、前記液晶駆動用半導体装置の表面において相対的に外側に配置されるべき第２の複数のバンプが、当該液晶駆動用半導体装置における、前記辺の近傍以外の位置に配置されていることを特徴とする液晶駆動用半導体装置。 A substrate,
A liquid crystal display device provided on the substrate and having a plurality of gate lines, a plurality of source lines, and a plurality of liquid crystals provided at positions where the plurality of gate lines and the plurality of source lines intersect. The liquid crystal display device in which ends of the plurality of gate lines and the plurality of source lines are provided on one side of the liquid crystal display device;
A liquid crystal driving semiconductor device having a plurality of bumps for outputting a gate voltage and a source voltage applied to the plurality of liquid crystals via the plurality of gate lines and the plurality of source lines in order to drive the plurality of liquid crystals. When,
In a liquid crystal display system including the gate line and the source line of the liquid crystal display device, and a plurality of wirings for connecting the plurality of bumps of the liquid crystal driving semiconductor device,
Among the plurality of bumps, the first plurality of bumps to be disposed relatively inside the surface of the liquid crystal driving semiconductor device is the one side of the liquid crystal display device in the liquid crystal driving semiconductor device. Is located along the side in the vicinity of the side shorter than the one side,
Among the plurality of bumps, the second plurality of bumps to be disposed relatively outside on the surface of the liquid crystal driving semiconductor device are disposed at positions other than the vicinity of the side in the liquid crystal driving semiconductor device. A semiconductor device for driving a liquid crystal, wherein 前記液晶駆動用半導体装置の前記辺と、前記複数の配線のうち前記第２の複数のバンプに対応する２以上の配線とが規定する面積及び角度が、当該２以上の配線が占める面積、及び、前記第１の複数のバンプの位置により特定される要件を満足することを特徴とする請求項１記載の液晶駆動用半導体装置。   An area and an angle defined by the side of the semiconductor device for driving a liquid crystal and two or more wirings corresponding to the second plurality of bumps among the plurality of wirings, and an area occupied by the two or more wirings; and 2. The semiconductor device for driving a liquid crystal according to claim 1, wherein a requirement specified by positions of the first plurality of bumps is satisfied.
JP2006261152A 2006-09-26 2006-09-26 Semiconductor device for liquid crystal driving Withdrawn JP2008083223A (en)

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