JP2000214448A - Structure of back light type partially colored liquid crystal display device - Google Patents
Structure of back light type partially colored liquid crystal display deviceInfo
- Publication number
- JP2000214448A JP2000214448A JP11011826A JP1182699A JP2000214448A JP 2000214448 A JP2000214448 A JP 2000214448A JP 11011826 A JP11011826 A JP 11011826A JP 1182699 A JP1182699 A JP 1182699A JP 2000214448 A JP2000214448 A JP 2000214448A
- Authority
- JP
- Japan
- Prior art keywords
- filter film
- transparent
- liquid crystal
- colored
- transparent substrate
- 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.)
- Granted
Links
Landscapes
- Liquid Crystal (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、バックライト式の
液晶表示装置において、その表示画面の一部に、この表
示画面と異なる色に着色した着色表示部を設けて成る部
分着色液晶表示装置の構造に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a backlight-type liquid crystal display device, in which a part of the display screen is provided with a colored display portion colored differently from the display screen. It is about structure.
【０００２】[0002]
【従来の技術】バックライト式の液晶表示装置は、従来
から良く知られているように、片面に多数本の透明電極
パターンを形成したフロント透明基板と、片面に多数本
の透明電極パターンを形成したリア透明基板とを、その
各々における透明電極パターンが向かい合わせになるよ
うに重ね合わせ、その間の隙間に液晶を充填して液晶層
を形成する一方、前記リア透明基板の裏面側に、バック
ライト光源を、当該バックライト光源からの光が前記両
透明基板を透過するように配設すると言う構成にしてい
る。2. Description of the Related Art As is well known, a backlight type liquid crystal display device has a front transparent substrate having a large number of transparent electrode patterns formed on one surface and a large number of transparent electrode patterns formed on one surface. The transparent rear substrate is overlapped so that the transparent electrode patterns in each of them face each other, and a liquid crystal is filled in a gap therebetween to form a liquid crystal layer, while a backlight is provided on the back side of the rear transparent substrate. The light source is arranged so that light from the backlight light source is transmitted through the two transparent substrates.
【０００３】また、最近におけるバックライト式液晶表
示装置では、その表示画面の一部に、この表示画面と異
なる色に着色した着色表示部を設けることが行われてお
り、この場合、従来は、前記二枚の透明基板のうちリア
透明基板に一部に、着色フィルタ膜を、当該リア透明基
板における透明電極パターンに重ねて形成することによ
り、バックライト光源からの光を、この着色フィルタ膜
によって着色するように構成している。Further, in recent backlight type liquid crystal display devices, a colored display section colored in a different color from the display screen is provided on a part of the display screen. In this case, conventionally, By forming a colored filter film on a part of the rear transparent substrate of the two transparent substrates so as to overlap the transparent electrode pattern on the rear transparent substrate, light from a backlight light source is transmitted by the colored filter film. It is configured to be colored.
【０００４】[0004]
【発明が解決しようとする課題】しかし、この従来にお
ける部分着色の液晶表示装置は、両透明基板のうちリア
透明基板に、着色フィルタ膜を部分的に設けると言う構
成であり、着色フィルタ膜が両透明基板間における液晶
層内に突出していることにより、前記液晶層における厚
さは、前記着色フィルタ膜が設けられている部分では薄
く、前記着色フィルタ膜が設けられていない部分では厚
くなると言うように不揃いになるから、前記着色フィル
タ膜の部分とこの着色フィルタ膜以外の部分との間にお
いて、色相が相違し、色相の不均一が発生すると言う問
題があった。However, this conventional partially-colored liquid crystal display device has a structure in which a colored filter film is partially provided on a rear transparent substrate of both transparent substrates. By protruding into the liquid crystal layer between the two transparent substrates, the thickness of the liquid crystal layer is said to be small in the portion where the colored filter film is provided and thick in the portion where the colored filter film is not provided. As described above, there is a problem that the hue is different between the portion of the colored filter film and the portion other than the colored filter film, and the hue becomes non-uniform.
【０００５】しかも、前記従来における部分着色の液晶
表示装置では、バックライト光源からの光の透過率が、
前記着色フィルタ膜の部分と、前記着色フィルタ膜以外
の部分とで相違すると言う問題もあった。本発明は、こ
れらの問題を解消することを技術的課題とするものであ
る。Moreover, in the conventional partially colored liquid crystal display device, the transmittance of light from a backlight light source is
There is also a problem that the portion of the colored filter film is different from the portion other than the colored filter film. An object of the present invention is to solve these problems.
【０００６】[0006]
【課題を解決するための手段】この技術的課題を達成す
るため本発明は、「多数本の透明電極パターンを形成し
た一方の透明基板と、多数本の透明電極パターンを形成
した他方の透明基板とを、その各々における透明電極パ
ターンを形成した面が互い向かい合わせになるように重
ね合わせ、その間の隙間に液晶を充填し、前記一方の透
明基板の一部に、着色フィルタ膜を、当該一方の透明基
板における透明電極パターンに重ねて形成する一方、バ
ックライト光源を、当該バックライト光源からの光が両
透明基板を透過するように配設して成る部分着色液晶表
示装置において、前記一方の透明基板のうち前記着色フ
ィルタ膜が形成されていない部分に、無着色の透明フィ
ルタ膜を、当該一方の透明基板における透明電極パター
ンに重ねて形成する。」と言う構成にした。In order to achieve this technical object, the present invention relates to a method of forming a transparent substrate on which a plurality of transparent electrode patterns are formed and the other transparent substrate on which a plurality of transparent electrode patterns are formed. Are overlapped so that the surfaces on which the transparent electrode patterns are formed face each other, a liquid crystal is filled in a gap therebetween, and a colored filter film is formed on a part of the one transparent substrate. In a partially colored liquid crystal display device, which is formed so as to overlap with a transparent electrode pattern on a transparent substrate, and a backlight light source is arranged so that light from the backlight light source passes through both transparent substrates, An uncolored transparent filter film is formed on a portion of the transparent substrate where the colored filter film is not formed so as to overlap the transparent electrode pattern on the one transparent substrate. . I was in the configuration to say. "
【０００７】[0007]
【発明の作用・効果】このように、一方の透明基板のう
ち着色フィルタ膜が形成されていない部分に、無着色の
透明フィルタ膜を、当該一方の透明基板における透明電
極パターンに重ねて形成することにより、両透明基板の
間における液晶層のうち前記着色フィルタ膜以外の部分
における厚さを、その部分に設けた無着色の透明フィル
タ膜にて、前記着色フィルタ膜の部分における液晶層の
厚さに、この着色フィルタ膜以外の部分を着色すること
がない状態のもとで、近づけ又は等しくすることができ
ると共に、バックライト光源からの光の透過率に違いが
できることを、前記無着色の透明フィルタ膜にて低減で
きるのである。As described above, an uncolored transparent filter film is formed on a portion of one of the transparent substrates where the colored filter film is not formed so as to overlap the transparent electrode pattern on the one transparent substrate. Thus, the thickness of the liquid crystal layer between the two transparent substrates in the portion other than the colored filter film, the non-colored transparent filter film provided in that portion, the thickness of the liquid crystal layer in the portion of the colored filter film By the way, under the condition that the portion other than the colored filter film is not colored, the portions can be made close to or equal to each other, and that the transmittance of the light from the backlight light source can be different. It can be reduced by the transparent filter film.
【０００８】従って、本発明によると、バックライト式
の液晶表示装置において、その表示画面の一部に着色フ
ィルタによる着色表示部を設ける場合において、前記着
色フィルタ膜の部分とこの着色フィルタ膜以外の部分と
の間において色相が相違することを低減できて、色相の
均一化を図ることができると共に、バックライト光源か
らの光の透過率の均一化を図ることができる効果を有す
る。Therefore, according to the present invention, in a backlight type liquid crystal display device, in a case where a colored display portion is provided by a colored filter on a part of the display screen, a portion of the colored filter film and a portion other than the colored filter film are provided. It is possible to reduce the difference in hue between the portion and the portion, to achieve uniformity of the hue, and to achieve uniformity of transmittance of light from the backlight light source.
【０００９】[0009]
【発明の実施の形態】以下、本発明の実施の形態を、図
１及び図２に示す実施の形態について説明する。この実
施の形態におけるバックライト式の部分着色液晶表示装
置１は、図１に示すように、外側における符号Ａの領域
部分（ハッチングを施した部分）を無表示画面に、その
内側における符号Ｂの領域部分を無着色の表示画面に
し、この表示画面Ｂの中の一部に、例えばセブンセグメ
ント等のような着色表示の領域部分Ｃ（網目を施した部
分）を設けて、前記表示画面の領域部分Ｂに適宜の文字
等を表示する一方、着色表示の領域部分Ｃに数字を着色
して表示する場合である。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The embodiments of the present invention will be described below with reference to the embodiments shown in FIGS. As shown in FIG. 1, in the backlight-type partially colored liquid crystal display device 1 according to this embodiment, the area A (the hatched area) on the outside is displayed on a non-display screen, and the area B on the inside is displayed. The area portion is made to be a non-colored display screen, and a portion of the display screen B is provided with a color display area portion C (a meshed portion) such as a seven segment, for example. This is a case in which appropriate characters and the like are displayed in the portion B, while numbers are colored and displayed in the region C of the colored display.
【００１０】このバックライト式の部分着色液晶表示装
置１は、片面に多数本の透明電極パターン４を形成して
フロント側に位置する他方の透明基板２と、片面に多数
本の透明電極パターン５を形成してリア側に位置する一
方の透明基板３とを、その各々における透明電極パター
ン４，５を形成した面が互いに向かい合わせになるよう
に重ね合わせ、その間の隙間に液晶を充填し液晶層６を
形成する一方、前記一方の透明基板３の裏面側に、図示
しないバックライト光源を、当該バックライト光源から
の光が両透明基板２，３を透過するように配設したもの
に構成されている。This backlight type partially colored liquid crystal display device 1 has a large number of transparent electrode patterns 4 formed on one side and another transparent substrate 2 located on the front side, and a large number of transparent electrode patterns 5 on one side. And one of the transparent substrates 3 located on the rear side is overlapped with each other so that the surfaces on which the transparent electrode patterns 4 and 5 are formed face each other. While the layer 6 is formed, a backlight light source (not shown) is provided on the back side of the one transparent substrate 3 so that light from the backlight light source is transmitted through the transparent substrates 2 and 3. Have been.
【００１１】また、前記両透明基板２，３のうち一方の
透明基板３には、前記無表示画面の領域部分Ａに黒色等
の不透明膜７が、前記着色表示の領域部分Ｃに例えば赤
色又は青色等に着色した着色フィルタ膜８が、当該リア
透明基板３における透明電極パターン５に重ねるように
して形成されている。なお、符号９，１０は、ポリイミ
ド樹脂等の配向膜を示す。On one of the transparent substrates 2 and 3, an opaque film 7 of black or the like is formed in the area A of the non-display screen. A colored filter film 8 colored blue or the like is formed so as to overlap the transparent electrode pattern 5 on the rear transparent substrate 3. Reference numerals 9 and 10 indicate an alignment film such as a polyimide resin.
【００１２】そして、このままの構成であると、着色フ
ィルタ膜８が液晶層６内に突出していることにより、前
記液晶層６の厚さが、前記着色フィルタ膜８が設けられ
ている部分では薄く、前記着色フィルタ膜８がない部分
では厚くなると言うように不揃いになり、しかも、バッ
クライト光源からの光の透過率も、前記着色フィルタ膜
８の部分とこれ以外の部分とで違いができることにな
る。In this structure, since the colored filter film 8 protrudes into the liquid crystal layer 6, the thickness of the liquid crystal layer 6 is reduced at the portion where the colored filter film 8 is provided. That is, the color filter film 8 becomes uneven in a portion where the color filter film 8 is not provided, and the transmittance of light from a backlight light source can be different between the portion of the color filter film 8 and other portions. Become.
【００１３】そこで、本発明においては、前記一方の透
明基板３のうち前記無表示画面の領域部分Ａ及び前記着
色表示の領域部分Ｃ以外の部分、つまり、前記表示画面
の領域部分Ｂの部分に、適宜厚さの無着色の透明フィル
タ膜１１を、当該一方の透明基板３における透明電極パ
ターン５に重ねるようにして形成することにしたのであ
る。Therefore, in the present invention, a portion of the one transparent substrate 3 other than the non-display screen area A and the colored display area C, that is, the display screen area B is provided. The uncolored transparent filter film 11 having an appropriate thickness is formed so as to overlap the transparent electrode pattern 5 on the one transparent substrate 3.
【００１４】このように、表示画面の領域部分Ｂの部分
に適宜厚さの無着色の透明フィルタ膜１１を設けること
により、両透明基板２，３の間における液晶層６のうち
前記着色フィルタ膜８以外の部分、つまり、前記表示画
面の領域部分Ｂにおける厚さを、その部分に設けた無着
色の透明フィルタ膜１１にて、前記着色フィルタ膜８の
部分における液晶層６の厚さに、この着色フィルタ膜以
外の部分、つまり、前記表示画面の領域部分Ｂを着色す
ることがない状態のもとで、近づけ又は等しくすること
ができると共に、バックライト光源からの光の透過率に
違いができることを、前記無着色の透明フィルタ膜１１
にて低減できるのである。As described above, by providing the uncolored transparent filter film 11 having an appropriate thickness in the area B of the display screen, the colored filter film 11 of the liquid crystal layer 6 between the transparent substrates 2 and 3 is provided. 8, that is, the thickness of the liquid crystal layer 6 in the colored filter film 8 by the non-colored transparent filter film 11 provided in the region B of the display screen. The portions other than the color filter film, that is, the regions B of the display screen can be made close to or equal to each other in a state where they are not colored, and the difference in the transmittance of light from the backlight light source can be improved. What can be done is that the uncolored transparent filter film 11
Can be reduced.
【００１５】なお、前記実施の形態は、一つ色の着色フ
ィルタ膜８を使用した場合であったが、本発明は、これ
に限らず、別々の色に着色した複数の着色フィルタ膜す
る場合にも同様に適用できることは言うまでもない。ま
た、本発明は、図示したように、他方の透明基板２をフ
ロント側に、着色フイルタ膜８及び透明フィルタ膜１１
を形成した一方の透明基板３をリア側に各々位置して、
前記一方の透明基板３の裏面側にバックライト光源を配
設することに代えて、着色フイルタ膜８及び透明フィル
タ膜１１を形成した一方の透明基板３をフロント側に、
他方の透明基板２をリア側に各々位置して、他方の透明
基板２の裏面側にバックライト光源を配設すると言う構
成にして良いのである。In the above-described embodiment, the case where the color filter film 8 of one color is used is used. However, the present invention is not limited to this case. Needless to say, the same can be applied to. In addition, as shown in the figure, the present invention, as shown in FIG.
Are formed on the rear side, respectively.
Instead of disposing a backlight light source on the back side of the one transparent substrate 3, the one transparent substrate 3 on which the colored filter film 8 and the transparent filter film 11 are formed is placed on the front side,
The other transparent substrate 2 may be located on the rear side, and a backlight light source may be provided on the back side of the other transparent substrate 2.
【図１】本発明の実施の形態の液晶表示装置の表面図で
ある。FIG. 1 is a front view of a liquid crystal display device according to an embodiment of the present invention.
【図２】図１のII−II視拡大断面図である。FIG. 2 is an enlarged sectional view taken along line II-II of FIG.
１ 液晶表示装置 ２ 他方の透明基板 ３ 一方の透明基板 ４，５ 透明電極パターン ６ 液晶層 ７ 不透明膜 ８ 着色フィルタ膜 １１ 無着色の透明フィルタ膜 Ｂ 表示画面の領域部分 Ｃ 着色表示の領域部分 Reference Signs List 1 liquid crystal display device 2 other transparent substrate 3 one transparent substrate 4, 5 transparent electrode pattern 6 liquid crystal layer 7 opaque film 8 colored filter film 11 uncolored transparent filter film B area of display screen C area of colored display
Claims (1)
の透明基板と、多数本の透明電極パターンを形成した他
方の透明基板とを、その各々における透明電極パターン
を形成した面が互い向かい合わせになるように重ね合わ
せ、その間の隙間に液晶を充填し、前記一方の透明基板
の一部に、着色フィルタ膜を、当該一方の透明基板にお
ける透明電極パターンに重ねて形成する一方、バックラ
イト光源を、当該バックライト光源からの光が両透明基
板を透過するように配設して成る部分着色液晶表示装置
において、 前記一方の透明基板のうち前記着色フィルタ膜が形成さ
れていない部分に、無着色の透明フィルタ膜を、当該一
方のリア透明基板における透明電極パターンに重ねて形
成したことを特徴とするバックライト式部分着色液晶表
示装置の構造。1. A transparent substrate on which a plurality of transparent electrode patterns are formed, and a transparent substrate on which a plurality of transparent electrode patterns are formed, and the surfaces on which the transparent electrode patterns are formed face each other. A liquid crystal is filled in a gap therebetween, and a colored filter film is formed on a part of the one transparent substrate so as to overlap with the transparent electrode pattern on the one transparent substrate. Is provided so that light from the backlight light source is transmitted through both transparent substrates. In the partially colored liquid crystal display device, the non-colored filter film is not formed on a portion of the one transparent substrate on which the colored filter film is not formed. A backlight type partially colored liquid crystal display device characterized in that a colored transparent filter film is formed so as to overlap with the transparent electrode pattern on the one rear transparent substrate. Structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP01182699A JP3863310B2 (en) | 1999-01-20 | 1999-01-20 | Structure of backlight-type partially colored liquid crystal display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP01182699A JP3863310B2 (en) | 1999-01-20 | 1999-01-20 | Structure of backlight-type partially colored liquid crystal display device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2000214448A true JP2000214448A (en) | 2000-08-04 |
| JP3863310B2 JP3863310B2 (en) | 2006-12-27 |
Family
ID=11788584
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP01182699A Expired - Fee Related JP3863310B2 (en) | 1999-01-20 | 1999-01-20 | Structure of backlight-type partially colored liquid crystal display device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3863310B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5462949B2 (en) * | 2010-09-24 | 2014-04-02 | 積水化学工業株式会社 | Electrolyte, electrolytic solution, gel electrolyte, electrolyte membrane, method for producing gel electrolyte battery, and lithium ion secondary battery |
| CN106200109A (en) * | 2015-02-04 | 2016-12-07 | Lg电子株式会社 | Light conversion component, back light unit and include their display device |
-
1999
- 1999-01-20 JP JP01182699A patent/JP3863310B2/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5462949B2 (en) * | 2010-09-24 | 2014-04-02 | 積水化学工業株式会社 | Electrolyte, electrolytic solution, gel electrolyte, electrolyte membrane, method for producing gel electrolyte battery, and lithium ion secondary battery |
| US10256497B2 (en) | 2010-09-24 | 2019-04-09 | Sekisui Chemical Co., Ltd. | Electrolyte, electrolyte solution, gel electrolyte, electrolyte membrane, method for manufacturing gel electrolyte battery, and lithium ion secondary battery |
| CN106200109A (en) * | 2015-02-04 | 2016-12-07 | Lg电子株式会社 | Light conversion component, back light unit and include their display device |
| CN106200109B (en) * | 2015-02-04 | 2020-01-14 | Lg电子株式会社 | Light conversion member, backlight unit and display apparatus including the same |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3863310B2 (en) | 2006-12-27 |
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