JPH068987B2 - Color liquid crystal display - Google Patents
Color liquid crystal displayInfo
- Publication number
- JPH068987B2 JPH068987B2 JP63229665A JP22966588A JPH068987B2 JP H068987 B2 JPH068987 B2 JP H068987B2 JP 63229665 A JP63229665 A JP 63229665A JP 22966588 A JP22966588 A JP 22966588A JP H068987 B2 JPH068987 B2 JP H068987B2
- Authority
- JP
- Japan
- Prior art keywords
- picture element
- red
- green
- liquid crystal
- crystal display
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Landscapes
- Liquid Crystal (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Description
【発明の詳細な説明】 ＜産業上の利用分野＞ 本発明は、カラー液晶ディスプレイにおける絵素配列構
造に関し、更に詳しくは薄膜トランジスタ（ＴＦＴ）ア
クティブマトリクス駆動用の液晶カラーテレビに使用さ
れるカラーフィルタの絵素配列構造に関するものであ
る。Description: TECHNICAL FIELD The present invention relates to a pixel array structure in a color liquid crystal display, and more specifically, to a color filter used in a liquid crystal color television for driving a thin film transistor (TFT) active matrix. The present invention relates to a pixel array structure.
＜従来の技術＞ カラー液晶ディスプレイに用いられる従来の代表的なカ
ラーフィルタのデルタ配列構造を第３図に示す。このデ
ルタ方式配列とは三原色である赤・緑・青がデルタ状に
配列されて、それぞれの絵素の混色及び階調表示によ
り、フルカラーを表示できるとともに、三原色をデルタ
状に配列しているため自然な画面を形成することができ
る。<Prior Art> FIG. 3 shows a delta arrangement structure of a typical conventional color filter used for a color liquid crystal display. With this delta arrangement, the three primary colors red, green, and blue are arranged in a delta shape, and full color can be displayed by the color mixture and gradation display of each pixel, and the three primary colors are arranged in a delta shape. Can form a natural screen.
一般に、ＴＦＴアクティブマトリクス駆動カラー液晶デ
ィスプレイにおいては、ドライバーＩＣにより絵素の１
つ１つに設けられたＴＦＴを駆動することにより絵素の
点灯・消灯を選択するわけであるが、画面の水平方向の
絵素数は、基本的に赤・緑・青の三原色の整数倍で構成
される。すなわち第３図に示すように左端が青で始ま
り、続いて水平方向に緑そして赤という順序で配列すれ
ば、最右端の絵素色は赤で終わることになり、画面全体
として最左端が青、最右端が赤という配列になる。Generally, in a TFT active matrix drive color liquid crystal display, one pixel
Each pixel is turned on or off by driving the TFT provided for each pixel, but the number of pixels in the horizontal direction of the screen is basically an integer multiple of the three primary colors of red, green and blue. Composed. That is, as shown in FIG. 3, if the left end starts with blue, then the green and red are arranged in the horizontal direction, the picture element color at the right end ends in red, and the left end of the entire screen is blue. , The rightmost edge is red.
一方、カラーフィルタの絵素のような透過光の明るさを
表わす尺度としてＹ視感度という明るさの基準がある。
第２図は三原色の赤・緑・青のＹ視感度を示し、Ｙ視感
度が大きい程人間の目には明るく感じ、小さい程暗く感
じるものである。すなわち、三原色の中では緑が最も明
るく目立ちやすく、逆に青が最も暗く目立ち難い。On the other hand, there is a brightness standard called Y visibility as a scale for expressing the brightness of transmitted light such as a picture element of a color filter.
FIG. 2 shows the Y luminosity of the three primary colors, red, green, and blue. The higher the Y luminosity, the brighter the human eye feels it, and the smaller the Y luminosity, the darker it feels. That is, among the three primary colors, green is the brightest and most conspicuous, and conversely, blue is the darkest and less noticeable.
＜発明が解決しようとする問題点＞ しかし、前述したように水平方向の絵素配列が青・緑・
赤の順序で、絵素数がこの整数倍で構成されるカラーフ
ィルタを使用したカラー液晶ディスプレイにおいては、
画面表示が灰色等の中間表示の場合、画面最右端の赤い
絵素は、混色する絵素が存在せず、しかもＹ視感度が高
いため、右辺が赤の絵素列として目立ち、画面表示が不
自然となる。<Problems to be solved by the invention> However, as described above, the horizontal pixel arrangement is blue, green,
In a color liquid crystal display that uses a color filter in which the number of picture elements is an integer multiple of this in the order of red,
When the screen display is an intermediate display such as gray, the red pixel at the far right of the screen has no pixels to mix colors and the Y visibility is high. It becomes unnatural.
又、水平方向の絵素配列が青・赤・緑の順序で絵素数が
この整数倍で構成されるカラーフィルタの場合も、最右
端の緑のＹ視感度が高いため緑の絵素列として目立つお
それがある。さらに、水平方向の絵素配列が赤・青・緑
の順序の場合も同様に最左端の赤及び最右端の緑が目立
ち易い。Also, in the case of a color filter in which the horizontal pixel array is blue, red, and green, and the number of pixel elements is an integral multiple of this, the rightmost green Y has a high Y visibility, so it is treated as a green pixel array. May be noticeable. Further, when the horizontal pixel arrangement is in the order of red, blue, and green, the leftmost red and the rightmost green are also conspicuous.
本発明は画面表示が表示ムラの認識しやすい灰色表示等
の中間調表示の場合においても、画面の最外辺の絵素の
色が目立たない自然な表示のＴＦＴアクティブマトリク
ス駆動カラー液晶ディスプレイモジュールにおけるカラ
ーフィルタの絵素配列構造を提供することを目的の一つ
とするものである。The present invention relates to a TFT active matrix driving color liquid crystal display module for a natural display in which the color of the picture element on the outermost side of the screen is inconspicuous even when the screen display is a halftone display such as gray display in which display unevenness is easily recognized. One of the purposes is to provide a pixel array structure of a color filter.
＜問題点を解決するための手段＞ 本発明は、赤・青・緑の三原色に対応する絵素とこれに
対応する着色手段とを上記三原色を一定周期として水平
に直線配列してなる絵素行を上下に平行にかつ三原色を
デルタ状に隣接させるように配置し、それぞれの絵素の
混色および階調表示によりフルカラーを画面表示するカ
ラー液晶ディスプレイにおいて、上記各絵素行の絵素の
うち最左端部の絵素赤色および最右端部の絵素緑色の一
部を黒色または金属膜にて被覆してなるカラー液晶ディ
スプレイである。<Means for Solving Problems> According to the present invention, a picture element row is formed by horizontally arranging picture elements corresponding to the three primary colors of red, blue and green and coloring means corresponding to the picture elements in the horizontal direction with the three primary colors as a constant cycle. In the color liquid crystal display that arranges the three primary colors in parallel vertically and adjoins them in a delta shape, and displays the full color screen by the color mixture and gradation display of the respective picture elements, the leftmost end of the picture elements in each picture element row. This is a color liquid crystal display in which a part of the red picture element of the part and a part of the green picture element of the rightmost part are covered with black or a metal film.
すなわち、本発明は各絵素行の最左端または最右端の絵
素の色が赤または緑の場合に、黒色または金属膜にて被
うことにより絵素面積を青より小さくし、人間の目に感
じる明るさの基準であるＹ視感度を小さく構成したもの
である。That is, the present invention makes the pixel area smaller than blue by covering it with black or a metal film when the color of the leftmost or rightmost picture element of each picture element row is red or green, and the human eye The Y luminosity, which is a reference for the brightness to be perceived, is configured to be small.
＜作用＞ 赤・青・緑の三原色に対応する絵素とこれに対応する着
色手段からなる各絵素行の最左端および最右端の絵素が
赤または緑になる場合に部分的に黒色または金属膜にて
被うことから最も表示ムラの認識し易い灰色表示等の中
間調表示においても、画面全体として最外辺の絵素列だ
けが目立つといった色付き現象を防止できる。<Action> Partial black or metal when the leftmost and rightmost picture elements of each picture element row consisting of picture elements corresponding to the three primary colors of red, blue and green and corresponding coloring means are red or green It is possible to prevent a coloring phenomenon in which only the outermost picture element row is conspicuous in the entire screen even in a halftone display such as a gray display in which display unevenness is most likely to be recognized because of covering with a film.
＜実施例＞ 以下図面に示す実施例に基いて本発明を詳述する。な
お、これによってこの発明は限定を受けるものではな
い。<Example> The present invention will be described in detail below based on an example shown in the drawings. The present invention is not limited to this.
第１図は本発明の一実施例を示すＴＦＴアクティブマト
リクス駆動カラー液晶ディスプレイにおけるカラーフィ
ルタの絵素配列を示す。FIG. 1 shows a pixel array of color filters in a TFT active matrix driving color liquid crystal display showing an embodiment of the present invention.
第１図において、画面には三原色である赤・青・緑が配
列され、かつ三原色をデルタ状に配置している。すなわ
ち、画面は第１絵素行１ａないし第（ｍ−１）絵素行１
ｂおよび第ｍ絵素行１ｃからなり、これら各絵素行を構
成する絵素はマトリクス状に配列されるとともに、各絵
素に対応してカラーフィルタ（着色手段）が配置されて
いる。このカラーフィルタはゼラチン材料からなり、カ
ラーフィルタ基板２の外面あるいは内面に設けられた
り、信号電極、走査電極、絵素電極または共通電極の上
あるいは下に設けられている。In FIG. 1, three primary colors red, blue, and green are arranged on the screen, and the three primary colors are arranged in a delta shape. That is, the screens are the first picture element row 1a to the (m-1) th picture element row 1
The b-th and m-th picture element rows 1c are formed. The picture elements forming each picture element row are arranged in a matrix, and a color filter (coloring means) is arranged corresponding to each picture element. This color filter is made of a gelatin material and is provided on the outer or inner surface of the color filter substrate 2, or is provided on or under the signal electrode, the scanning electrode, the pixel electrode or the common electrode.
そして、デルタ配列のカラーフィルタにおいて、各絵素
行を構成する絵素のうち最左端部の絵素は赤色、最右端
部の絵素は緑色が配置される。この第ｍ絵素行１ｃの最
左端部３、最右端部４を３ａおよび４ａとし、３ｂおよ
び４ａには黒色または金属膜が被われている。Then, in the color filter of the delta array, among the picture elements forming each picture element row, the leftmost picture element is arranged in red and the rightmost picture element is arranged in green. The leftmost end portion 3 and the rightmost end portion 4 of the mth picture element row 1c are defined as 3a and 4a, and 3b and 4a are covered with a black or metal film.
＜発明の効果＞ 本発明によれば、カラー液晶ディスプレイの絵素配列構
造において、画面最左端部または最右端に配置された赤
色または緑色の絵素に黒色または金属膜を被うことによ
り、従来の三原色の整数倍の水平方向絵素数の配列時に
は、問題となっていた最外辺の色付き現象が、最も表示
ムラの認識し易い灰色表示等の中間調表示においても最
外辺のみ目立つことなく、自然で良好な表示品位を得る
ことが可能となる。<Advantages of the Invention> According to the present invention, in the pixel arrangement structure of the color liquid crystal display, by covering the red or green picture element arranged at the leftmost end or the rightmost end of the screen with a black or metal film, When arranging the number of horizontal picture elements that is an integer multiple of the three primary colors, the coloring phenomenon on the outermost side, which was a problem, was not noticeable even on the outermost side even in halftone display such as gray display, where display unevenness is most recognizable. Therefore, it is possible to obtain natural and good display quality.
第１図はこの発明の一実施例を示す構成説明図、第２図
は三原色のＹ視感度特性図、第３図は従来例を示す絵素
配列構造の構成説明図である。 １ａ、１ｂ、１ｃ…絵素行、２…カラーフィルタ基板、
３…最左端部の絵素、３ａ…本発明構成絵素、４…最右
端部の絵素、４ａ…本発明構成絵素。FIG. 1 is a structural explanatory view showing an embodiment of the present invention, FIG. 2 is a Y luminosity characteristic diagram of three primary colors, and FIG. 3 is a structural explanatory diagram of a pixel array structure showing a conventional example. 1a, 1b, 1c ... Picture element lines, 2 ... Color filter substrate,
3 ... Picture element at the left end, 3a ... Picture element according to the present invention, 4 ... Picture element at the right end, 4a ... Picture element according to the present invention.
Claims (1)
に対応する着色手段とも前記三原色を一定周期として水
平に直線配列してなる絵素行を平行にかつ三原色をデル
タ状に隣接させるように配置し、前記各絵素の混色およ
び階調表示によりフルカラーを画面表示するカラー液晶
ディスプレイにおいて、前記各絵素行のうち最左端部の
絵素または最右端部の絵素が赤又は緑である場合には、
赤又は緑絵素が部分的に黒色または金属膜にて被覆され
ていることを特徴とするカラー液晶ディスプレイ。1. A pair of picture elements corresponding to the three primary colors of red, green, and blue and corresponding coloring means are arranged in parallel with each other in parallel with picture element rows formed by horizontally arranging the three primary colors in a constant cycle and the three primary colors are adjacent in a delta shape. In the color liquid crystal display which is arranged so as to display a full color by color mixing and gradation display of each of the picture elements, the picture element at the leftmost end or the picture element at the rightmost end of each picture element row is red or green. If
A color liquid crystal display characterized in that red or green picture elements are partially covered with a black or metal film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63229665A JPH068987B2 (en) | 1988-09-13 | 1988-09-13 | Color liquid crystal display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63229665A JPH068987B2 (en) | 1988-09-13 | 1988-09-13 | Color liquid crystal display |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0277785A JPH0277785A (en) | 1990-03-16 |
| JPH068987B2 true JPH068987B2 (en) | 1994-02-02 |
Family
ID=16895759
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63229665A Expired - Lifetime JPH068987B2 (en) | 1988-09-13 | 1988-09-13 | Color liquid crystal display |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH068987B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4615244B2 (en) * | 2004-04-27 | 2011-01-19 | オプトレックス株式会社 | Color image display device |
| JP4615245B2 (en) * | 2004-04-28 | 2011-01-19 | オプトレックス株式会社 | Color image display device |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6218917B2 (en) | 2013-03-15 | 2017-10-25 | ウエスト バージニア ユニバーシティ リサーチ コーポレーション | Pure carbon production method, composition and method thereof |
-
1988
- 1988-09-13 JP JP63229665A patent/JPH068987B2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6218917B2 (en) | 2013-03-15 | 2017-10-25 | ウエスト バージニア ユニバーシティ リサーチ コーポレーション | Pure carbon production method, composition and method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0277785A (en) | 1990-03-16 |
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