JPH01136921U - - Google Patents
Info
- Publication number
- JPH01136921U JPH01136921U JP3168888U JP3168888U JPH01136921U JP H01136921 U JPH01136921 U JP H01136921U JP 3168888 U JP3168888 U JP 3168888U JP 3168888 U JP3168888 U JP 3168888U JP H01136921 U JPH01136921 U JP H01136921U
- Authority
- JP
- Japan
- Prior art keywords
- liquid crystal
- alignment
- pair
- substrates
- display element
- 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
- 239000004973 liquid crystal related substance Substances 0.000 claims description 13
- 230000010287 polarization Effects 0.000 claims description 7
- 239000000758 substrate Substances 0.000 claims 4
- 239000000463 material Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Description
第１図は本考案の液晶表示素子における配向膜
の配向処理方向と偏光板の偏光軸方向を示す平面
図、第２図は液晶表示素子の縦断側面図、第３図
は従来の液晶表示素子における配向膜の配向処理
方向と偏光板の偏光軸方向を示す平面図、第４図
は液晶表示素子の電気光学特性図である。
１０……液晶表示素子、５ａ……上配向膜の配
向処理方向、６ａ……下配向膜の配向処理方向、
８ａ……上偏光板の偏光軸方向、９ａ……下偏光
板の偏光軸方向、ψ……配向処理方向５ａ，６ａ
の交差角度（液晶分子配列のねじれ角）、Ｔ……
液晶分子配列のねじれ方向、α，β……配向処理
方向６ａに対する上下の偏光板の偏光軸方向８ａ
，９ａのずれ角。
Fig. 1 is a plan view showing the orientation processing direction of the alignment film and the polarization axis direction of the polarizing plate in the liquid crystal display element of the present invention, Fig. 2 is a longitudinal cross-sectional side view of the liquid crystal display element, and Fig. 3 is a conventional liquid crystal display element. FIG. 4 is a plan view showing the alignment treatment direction of the alignment film and the polarization axis direction of the polarizing plate, and FIG. 4 is an electro-optical characteristic diagram of the liquid crystal display element. 10...Liquid crystal display element, 5a...Direction of alignment treatment of upper alignment film, 6a...Direction of alignment treatment of lower alignment film,
8a...Polarization axis direction of the upper polarizing plate, 9a...Polarization axis direction of the lower polarizing plate, ψ...Orientation treatment direction 5a, 6a
intersection angle (twist angle of liquid crystal molecular alignment), T...
Twisting direction of liquid crystal molecule alignment, α, β...Polarization axis direction 8a of upper and lower polarizing plates with respect to alignment treatment direction 6a
, 9a deviation angle.
Claims (1)
対向面にそれぞれ形成した配向膜の配向処理方向
をほぼ直交させ、かつ前記一対の基板間に封入す
る液晶材料の屈折率異方性△ｎと液晶層の層厚ｄ
との積△ｎ・ｄの値をほぼ約１．３〜１．５の範
囲に選ぶとともに、前記一対の基板の外面側にそ
れぞれ配置する一対の偏光板のうち、一方の偏光
板の偏向軸方向を、前記一対の基板面の配向膜の
うちいずれか一方の配向膜の配向処理方向を基準
として液晶分子配列のねじれ方向に約２．５°ず
らし、他方の偏光板の偏光軸方向を、前記一方の
配向膜の配向処理方向を基準として前記液晶分子
配列のねじれ方向と逆方向に約２．５°ずらした
ことを特徴とする液晶表示素子。 In a TN-type liquid crystal display element, the alignment processing directions of alignment films formed on opposing surfaces of a pair of substrates are substantially orthogonal to each other, and the refractive index anisotropy Δn of a liquid crystal material sealed between the pair of substrates and the liquid crystal Layer thickness d
The value of the product △n・d is selected in the range of about 1.3 to 1.5, and the polarization axis of one of the pair of polarizing plates respectively arranged on the outer surface side of the pair of substrates is selected. The direction is shifted by about 2.5 degrees in the twisting direction of the liquid crystal molecule alignment based on the alignment treatment direction of one of the alignment films on the pair of substrate surfaces, and the polarization axis direction of the other polarizing plate is A liquid crystal display element, characterized in that the alignment treatment direction of the one alignment film is shifted by about 2.5 degrees in a direction opposite to the twisting direction of the liquid crystal molecule alignment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988031688U JP2520682Y2 (en) | 1988-03-11 | 1988-03-11 | Liquid crystal display element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988031688U JP2520682Y2 (en) | 1988-03-11 | 1988-03-11 | Liquid crystal display element |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01136921U true JPH01136921U (en) | 1989-09-19 |
| JP2520682Y2 JP2520682Y2 (en) | 1996-12-18 |
Family
ID=31257729
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988031688U Expired - Lifetime JP2520682Y2 (en) | 1988-03-11 | 1988-03-11 | Liquid crystal display element |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2520682Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013190717A (en) * | 2012-03-15 | 2013-09-26 | Stanley Electric Co Ltd | Liquid crystal display element |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2020052363A (en) * | 2018-09-28 | 2020-04-02 | 株式会社ジャパンディスプレイ | Display device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57125919A (en) * | 1981-01-30 | 1982-08-05 | Sharp Corp | Two layer type liquid crystal display device |
| JPS6126024A (en) * | 1984-07-17 | 1986-02-05 | Seiko Instr & Electronics Ltd | Liquid crystal multicolor display device |
| JPH01216318A (en) * | 1988-02-24 | 1989-08-30 | Alps Electric Co Ltd | Liquid crystal element |
-
1988
- 1988-03-11 JP JP1988031688U patent/JP2520682Y2/en not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57125919A (en) * | 1981-01-30 | 1982-08-05 | Sharp Corp | Two layer type liquid crystal display device |
| JPS6126024A (en) * | 1984-07-17 | 1986-02-05 | Seiko Instr & Electronics Ltd | Liquid crystal multicolor display device |
| JPH01216318A (en) * | 1988-02-24 | 1989-08-30 | Alps Electric Co Ltd | Liquid crystal element |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013190717A (en) * | 2012-03-15 | 2013-09-26 | Stanley Electric Co Ltd | Liquid crystal display element |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2520682Y2 (en) | 1996-12-18 |
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