【０００１】[0001]
【発明の属する技術分野】本発明は、互いに平行な２枚
の基板の一方に突起パターンを配設し、その突起パター
ンにより２枚の基板間にギャップを形成して、液晶を充
填してなる液晶表示装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method in which a projection pattern is provided on one of two substrates parallel to each other, a gap is formed between the two substrates by the projection pattern, and liquid crystal is filled. The present invention relates to a liquid crystal display device.
【０００２】[0002]
【従来の技術】図３および図４は、この種の従来の液晶
表示装置を示したもので、図３は遮光層の拡大図、図４
は図３のＢ−Ｂにおける液晶表示装置の断面図である。
図３および図４に示すように、ガラス基板１上にアレイ
チップ２と配向層３とが配設されて薄膜トランジスタ基
板４（以下、薄膜トランジスタをＴＦＴと称す）が形成
される。ガラス基板５には遮光層６、着色層７、対向電
極８、配向層９の順序で積層され、さらに、複数の特定
画素の遮光層６には突起パターン１１が配設されて対向
電極基板１０が形成される。2. Description of the Related Art FIGS. 3 and 4 show a conventional liquid crystal display device of this kind. FIG. 3 is an enlarged view of a light shielding layer.
FIG. 4 is a sectional view of the liquid crystal display device taken along the line BB in FIG.
As shown in FIGS. 3 and 4, an array chip 2 and an alignment layer 3 are disposed on a glass substrate 1 to form a thin film transistor substrate 4 (hereinafter, a thin film transistor is referred to as a TFT). A light-shielding layer 6, a colored layer 7, a counter electrode 8, and an alignment layer 9 are laminated on the glass substrate 5 in this order, and a projection pattern 11 is provided on the light-shielding layer 6 of a plurality of specific pixels. Is formed.
【０００３】ＴＦＴ基板４と対向電極基板１０とを貼り
合わせ、突起パターン１１によりＴＦＴ基板４と対向電
極基板１０の間に形成されたギャップに液晶１２を注入
して、液晶セルを構成する。液晶セルのセル厚は、突起
パターン１１により保たれる。A liquid crystal cell is formed by bonding a TFT substrate 4 and a counter electrode substrate 10 and injecting a liquid crystal 12 into a gap formed between the TFT substrate 4 and the counter electrode substrate 10 by a projection pattern 11. The cell thickness of the liquid crystal cell is maintained by the projection pattern 11.
【０００４】[0004]
【発明が解決しようとする課題】しかしながら、上記構
成の従来の液晶表示装置においては、対向電極基板に突
起パターンが配設されることによるラビングの不均一部
分が発生し、突起パターン１１が形成された遮光層６
も、図５に示したような開口部６ｄを持つ遮光層６ａに
すると、画面を表示する際に光り抜けが発生する等、画
質が著しく劣っていた。そこで、その光り抜けを遮光し
ようと、図３のように、開口部６ｄに遮光部６ｃを延設
した遮光層６ｂにすると、すべての画素の開口部が小さ
くなり、液晶表示装置として画面を表示する際に十分な
輝度を確保できなかった。However, in the conventional liquid crystal display device having the above-mentioned structure, the rubbing becomes uneven due to the provision of the projection pattern on the counter electrode substrate, and the projection pattern 11 is formed. Light shielding layer 6
However, when the light-shielding layer 6a has the opening 6d as shown in FIG. 5, the image quality is remarkably inferior, such as light leakage when displaying a screen. In order to shield the light leakage, as shown in FIG. 3, when the light-shielding layer 6b is formed by extending the light-shielding portion 6c in the opening 6d, the openings of all the pixels are reduced, and the screen is displayed as a liquid crystal display device. In this case, sufficient luminance could not be secured.
【０００５】本発明は、このような従来の課題を解決す
るものであり、高画質、かつ、高輝度の液晶表示装置を
提供することを目的とする。An object of the present invention is to solve such a conventional problem and to provide a liquid crystal display device having high image quality and high luminance.
【０００６】[0006]
【課題を解決するための手段】上記課題を解決するため
の本発明の手段は、突起パターンが配設された画素にお
ける遮光層のみの開口部に遮光部を延設し、突起パター
ンが配設されていない画素の遮光層は、延設遮光部のな
い開口部の形状とすることを特徴とする。According to the present invention, there is provided a light-emitting device, comprising: a light-shielding portion extending in an opening of only a light-shielding layer in a pixel provided with a protrusion pattern; The light-shielding layer of the pixel that is not formed has a shape of an opening without an extended light-shielding portion.
【０００７】この本発明によると、突起パターンのある
遮光層の開口部のみを小さくすることにより、突起パタ
ーンが配設されることによって発生したラビングの不均
一部分を延設された遮光部で覆うことが可能であり、ラ
ビングの不均一による画質の劣化を防止することができ
る。また、突起パターンが配設されていない遮光層にお
いては、延設遮光部を設けないので、従来のすべての画
素の遮光層部分を大きくしている液晶表示装置と比較し
て、輝度を向上することができる。このようにして、高
画質、かつ、高輝度の液晶表示装置を提供することが実
現できる。According to the present invention, by reducing only the opening of the light-shielding layer having the projection pattern, the uneven portion of the rubbing caused by the provision of the projection pattern is covered with the extended light-shielding portion. It is possible to prevent image quality deterioration due to uneven rubbing. Further, in the light-shielding layer in which the projection pattern is not provided, since no extended light-shielding portion is provided, the brightness is improved as compared with the conventional liquid crystal display device in which the light-shielding layer portions of all the pixels are enlarged. be able to. Thus, it is possible to provide a liquid crystal display device with high image quality and high luminance.
【０００８】[0008]
【発明の実施の形態】請求項１に記載の発明は、互いに
平行な２枚の基板を備え、一方の基板には開口部を有す
る遮光層が画素ごとに設けられ、複数の特定画素の前記
遮光層の一部に突起パターンが配設されており、前記突
起パターンにより他方の基板との間に形成されたギャッ
プに液晶が充填されてなる液晶表示装置において、前記
突起パターンが形成された遮光層のみの前記開口部に遮
光部が延設され、突起パターンが形成されていない遮光
層の開口部とは異なる形状の開口部を有することを特徴
とするものである。According to the first aspect of the present invention, there are provided two substrates which are parallel to each other, and one substrate is provided with a light-shielding layer having an opening for each pixel, and a plurality of specific pixels are provided. In a liquid crystal display device in which a projection pattern is provided on a part of the light shielding layer and a liquid crystal is filled in a gap formed between the projection pattern and the other substrate, the light shielding layer on which the projection pattern is formed is provided. A light-shielding portion extends from the opening of only the layer, and has an opening having a different shape from the opening of the light-shielding layer on which no projection pattern is formed.
【０００９】したがって、突起パターンが配設されるこ
とによって発生するラビングの不均一部分を遮光層部分
で覆うことが可能となり、ラビングの不均一部分による
画質の劣化を防止することができる。また、その他の画
素の遮光層については、延設遮光部を設けない開口部の
形状としたので、すべての画素の遮光層に延設遮光部を
設けた従来の液晶表示装置と比較して輝度を向上するこ
とができる。Therefore, it is possible to cover the uneven portion of the rubbing caused by the provision of the projection pattern with the light-shielding layer portion, thereby preventing the deterioration of the image quality due to the uneven portion of the rubbing. In addition, since the light-shielding layers of the other pixels are formed in the shape of the openings without the extended light-shielding portions, the brightness is higher than that of the conventional liquid crystal display device in which the light-shielding layers of all the pixels are provided with the extended light-shielding portions. Can be improved.
【００１０】また、請求項２に記載の発明は、請求項１
に記載の液晶表示装置において、突起パターンが形成さ
れた遮光層は、開口部における前記突起パターンのラビ
ング方向下手部分に遮光部が延設されていることを特徴
とするものである。[0010] The invention described in claim 2 is the same as the claim 1.
In the liquid crystal display device described in the above, the light-shielding layer on which the projection pattern is formed has a light-shielding portion extending in a portion of the opening below the projection pattern in the rubbing direction.
【００１１】この構成によれば、突起パターンによるラ
ビングの不均一部分のみを延設遮光部で覆うようにする
ことができるので、突起パターンが配設されて発生した
ラビングの不均一部分による画質の劣化を防止すること
ができる。According to this structure, only the uneven portion of the rubbing due to the projection pattern can be covered with the extended light shielding portion. Therefore, the image quality due to the uneven portion of the rubbing caused by the provision of the projection pattern is reduced. Deterioration can be prevented.
【００１２】以下、本発明の実施の形態について添付図
面を参照しつつ説明する。図１および図２は、本発明の
一実施の形態における液晶表示装置を示したもので、図
１は遮光層の拡大図、図２は図１のＡ−Ａにおける液晶
表示装置の断面図である。Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings. 1 and 2 show a liquid crystal display device according to an embodiment of the present invention. FIG. 1 is an enlarged view of a light-shielding layer, and FIG. 2 is a cross-sectional view of the liquid crystal display device along AA in FIG. is there.
【００１３】図２に示したように、ガラス基板１上にア
レイチップ２と配向層３とが配設されてＴＦＴ基板４が
形成される。ガラス基板５には遮光層６、着色層７、対
向電極８、配向層９の順序で積層され、さらに、複数の
特定画素における遮光層６の一部には突起パターン１１
を配設することにより対向電極基板１０が形成される。As shown in FIG. 2, a TFT substrate 4 is formed by disposing an array chip 2 and an alignment layer 3 on a glass substrate 1. A light-shielding layer 6, a colored layer 7, a counter electrode 8, and an alignment layer 9 are laminated on the glass substrate 5 in this order.
Is provided, the counter electrode substrate 10 is formed.
【００１４】ＴＦＴ基板４と対向電極基板１０とを貼り
合わせ、ＴＦＴ基板４と対向電極基板１０の間に液晶１
２を注入して液晶セルを形成する。両基板間は、対向電
極基板１０の突起パターン１１によりそのセル厚が保た
れる。The TFT substrate 4 and the counter electrode substrate 10 are bonded together, and the liquid crystal 1 is placed between the TFT substrate 4 and the counter electrode substrate 10.
2 is injected to form a liquid crystal cell. The cell thickness between the two substrates is maintained by the projection pattern 11 of the counter electrode substrate 10.
【００１５】図１の遮光層６のうち、突起パターン１１
が配設された特定の画素の遮光層６ｂには、その突起パ
ターン１１のラビング方向（矢印方向）下手部分の開口
部６ｄに遮光部６ｃが延設されている。このように、延
設された遮光部６ｃを設けることにより、突起パターン
１１によるラビングの不均一部分を遮光層で覆うことが
できるので、突起パターン１１を形成することによる液
晶表示装置の画質の劣化を防止することができる。In the light shielding layer 6 shown in FIG.
In the light-shielding layer 6b of a specific pixel provided with a light-shielding portion 6c, the light-shielding portion 6c extends in an opening 6d below the rubbing direction (the direction of the arrow) of the projection pattern 11 thereof. By providing the extended light-shielding portion 6c, the uneven portion of the rubbing caused by the projection pattern 11 can be covered with the light-shielding layer, so that the image quality of the liquid crystal display device is deteriorated by forming the projection pattern 11. Can be prevented.
【００１６】また、突起パターンの配設されていない画
素の遮光層は、図５に示したような延設遮光部を持たな
い遮光層６ａからなるので、開口部６ｄが大きく、した
がって、すべての画素の遮光層６が図３のような遮光層
６ｂから構成された従来のものに比べて、高輝度のパネ
ルが得られる。The light-shielding layer of the pixel having no projection pattern is formed of the light-shielding layer 6a having no extended light-shielding portion as shown in FIG. 5, so that the opening 6d is large. A panel with higher luminance can be obtained as compared with the conventional one in which the light-shielding layer 6 of the pixel is constituted by the light-shielding layer 6b as shown in FIG.
【００１７】次に、本発明の具体例を説明する。図１、
図２において、突起パターン１１は直径１０μｍ、高さ
５μｍの円柱形で、３画素ごとに形成される。画素のピ
ッチは横１００×縦３００μｍ、遮光層６ａでは画素の
端面から２０μｍ内側まで形成されている。Next, a specific example of the present invention will be described. Figure 1,
In FIG. 2, the projection pattern 11 is a column having a diameter of 10 μm and a height of 5 μm, and is formed for every three pixels. The pixel pitch is 100 μm × 300 μm in height, and the light-shielding layer 6 a is formed 20 μm inside from the end face of the pixel.
【００１８】突起パターン１１は画素上辺の遮光層部分
の中央に配設されている。突起パターン１１が配設され
ている画素の遮光層６ｂは上辺の中央より左側のみ５０
μｍ、上辺中央より右側の部分は２０μｍ、その他の辺
も２０μｍとする。突起パターン１１が形成されている
対向電極基板１０のラビング方向は図１の矢印の方向
（画素の右上から左下の方向）とする。The projection pattern 11 is provided at the center of the light shielding layer on the upper side of the pixel. The light-shielding layer 6b of the pixel on which the projection pattern 11 is provided is only 50 left from the center of the upper side.
μm, the portion on the right side of the center of the upper side is 20 μm, and the other sides are also 20 μm. The rubbing direction of the counter electrode substrate 10 on which the projection pattern 11 is formed is the direction of the arrow in FIG. 1 (from the upper right to the lower left of the pixel).
【００１９】この具体例の場合、画素の遮光部分の上辺
を通常より３０μｍ大きくすることにより、ラビングの
不均一部分を覆うことが可能になった。また、すべての
画素に遮光層６ｂを用いる従来の構成と比較すると、開
口率は、従来構成の４７．０％に対して、５０．３％ま
で向上できた。In the case of this specific example, by making the upper side of the light-shielding portion of the pixel 30 μm larger than usual, it is possible to cover the uneven portion of rubbing. Further, compared with the conventional configuration using the light-shielding layer 6b for all pixels, the aperture ratio could be improved to 50.3% from 47.0% of the conventional configuration.
【００２０】[0020]
【発明の効果】以上説明したように、本発明によれば、
突起パターンが配設された画素の遮光層のみの開口部に
遮光部が延設され、他の画素の遮光層とは異なる開口部
を持たせたことにより、突起パターンが配設されること
によって発生するラビングの不均一部分を遮光層で覆う
ことが可能となり、ラビングの不均一部分による画質の
劣化を防止することができるとともに、その他の画素の
遮光層については延設遮光部を有しない広い開口部の形
状とすることで、従来の液晶表示装置と比較して、輝度
を向上することができるという効果を奏する。As described above, according to the present invention,
The light-shielding portion is extended to the opening of only the light-shielding layer of the pixel in which the projection pattern is provided, and has a different opening from the light-shielding layer of the other pixels, so that the projection pattern is provided. The uneven portion of the rubbing that occurs can be covered with a light-shielding layer, so that the deterioration of the image quality due to the uneven portion of the rubbing can be prevented, and the light-shielding layer of the other pixels has no extended light-shielding portion. With the shape of the opening, there is an effect that luminance can be improved as compared with a conventional liquid crystal display device.
【図１】本発明の一実施の形態における液晶表示装置の
遮光層の拡大図FIG. 1 is an enlarged view of a light-shielding layer of a liquid crystal display device according to an embodiment of the present invention.
【図２】図1のＡ−Ａにおける液晶表示装置の断面図FIG. 2 is a cross-sectional view of the liquid crystal display device taken along line AA in FIG.
【図３】従来の液晶表示装置の遮光層の拡大図FIG. 3 is an enlarged view of a light shielding layer of a conventional liquid crystal display device.
【図４】図３のＢ−Ｂにおける液晶表示装置の断面図FIG. 4 is a sectional view of the liquid crystal display device taken along line BB in FIG. 3;
【図５】延設遮光部を有しない遮光層の拡大図FIG. 5 is an enlarged view of a light shielding layer having no extended light shielding portion.
１ ガラス基板 ２ アレイチップ ３，９ 配向層 ４ ＴＦＴ基板 ５ ガラス基板 ６，６ａ，６ｂ 遮光層 ６ｃ 遮光部 ６ｄ 開口部 ７ 着色層 ８ 対向電極 １０ 対向電極基板 １１ 突起パターン １２ 液晶 DESCRIPTION OF SYMBOLS 1 Glass substrate 2 Array chip 3, 9 Alignment layer 4 TFT substrate 5 Glass substrate 6, 6a, 6b Light shielding layer 6c Light shielding part 6d Opening 7 Colored layer 8 Counter electrode 10 Counter electrode substrate 11 Projection pattern 12 Liquid crystal
フロントページの続き Ｆターム(参考） 2H048 BB01 BB08 2H089 LA09 LA14 LA16 LA19 LA20 NA12 NA24 PA05 PA08 QA05 QA14 QA15 TA09 TA13 2H091 FA35Y FD04 FD16 FD22 GA06 GA08 HA07 5C094 AA10 BA03 BA43 CA19 DA14 EA04 EA05 EA07 EB02 ED15Continued on front page F-term (reference) 2H048 BB01 BB08 2H089 LA09 LA14 LA16 LA19 LA20 NA12 NA24 PA05 PA08 QA05 QA14 QA15 TA09 TA13 2H091 FA35Y FD04 FD16 FD22 GA06 GA08 HA07 5C094 AA10 BA03 BA43 CA19 DA14 EA04 EA04 EA04 EA04 EA04 EA04
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001150953AJP2002341329A (en) | 2001-05-21 | 2001-05-21 | Liquid crystal display |
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001150953AJP2002341329A (en) | 2001-05-21 | 2001-05-21 | Liquid crystal display |
| Publication Number | Publication Date |
|---|---|
| JP2002341329Atrue JP2002341329A (en) | 2002-11-27 |
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2001150953APendingJP2002341329A (en) | 2001-05-21 | 2001-05-21 | Liquid crystal display |
| Country | Link |
|---|---|
| JP (1) | JP2002341329A (en) |
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| Date | Code | Title | Description |
|---|---|---|---|
| A711 | Notification of change in applicant | Free format text:JAPANESE INTERMEDIATE CODE: A711 Effective date:20061127 |