JPH0352721U - - Google Patents
Info
- Publication number
- JPH0352721U JPH0352721U JP11360489U JP11360489U JPH0352721U JP H0352721 U JPH0352721 U JP H0352721U JP 11360489 U JP11360489 U JP 11360489U JP 11360489 U JP11360489 U JP 11360489U JP H0352721 U JPH0352721 U JP H0352721U
- Authority
- JP
- Japan
- Prior art keywords
- liquid crystal
- display element
- stn type
- crystal display
- type liquid
- 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.)
- Pending
Links
- 239000004973 liquid crystal related substance Substances 0.000 claims description 9
- 238000010521 absorption reaction Methods 0.000 claims 1
- 239000000758 substrate Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
Landscapes
- Liquid Crystal (AREA)
Description
第１図〜第３図は本考案の一実施例を示したも
ので、第１図はＳＴＮ型液晶表示素子の断面図、
第２図は液晶分子配向方向と偏光板の偏光軸の方
向を示す平面図、第３図は二色性染料の添加量と
背景色および表示色との関係を示した色度図であ
る。
１……下基板、２……上基板、Ａ……液晶、Ｂ
……二色性染料、４……下偏光板、５……上偏光
板。
1 to 3 show an embodiment of the present invention, and FIG. 1 is a cross-sectional view of an STN type liquid crystal display element;
FIG. 2 is a plan view showing the alignment direction of liquid crystal molecules and the direction of the polarization axis of the polarizing plate, and FIG. 3 is a chromaticity diagram showing the relationship between the amount of dichroic dye added and the background color and display color. 1...Lower substrate, 2...Upper substrate, A...Liquid crystal, B
...Dichroic dye, 4...Lower polarizing plate, 5...Upper polarizing plate.
Claims (1)
ツイスト配列させたＳＴＮ型液晶表示素子におい
て、液晶の屈折率異方性Δｎと液晶層の層厚ｄと
の積Δｎ・ｄの値を０．８０以下にし、かつ液晶
中に、４５０ｎｍ〜５００ｎｍの範囲に吸収極大
波長をもつ二色性染料を添加したことを特徴とす
るＳＴＮ型液晶表示素子。 In an STN type liquid crystal display element in which liquid crystal molecules are arranged in a twisted manner at a twist angle of 180° to 270°, the value of the product Δn·d of the refractive index anisotropy Δn of the liquid crystal and the layer thickness d of the liquid crystal layer is 0.80. An STN type liquid crystal display element having the following properties and characterized in that a dichroic dye having a maximum absorption wavelength in the range of 450 nm to 500 nm is added to the liquid crystal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11360489U JPH0352721U (en) | 1989-09-29 | 1989-09-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11360489U JPH0352721U (en) | 1989-09-29 | 1989-09-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0352721U true JPH0352721U (en) | 1991-05-22 |
Family
ID=31662013
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11360489U Pending JPH0352721U (en) | 1989-09-29 | 1989-09-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0352721U (en) |
-
1989
- 1989-09-29 JP JP11360489U patent/JPH0352721U/ja active Pending
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