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Molecular arrangement for twisted nematic liquid crystal displays having liquid crystalline materials with opposite chiral structures (reverse twisted nematic liquid crystal displays)
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10.1063/1.3211297
/content/aip/journal/jap/106/6/10.1063/1.3211297
http://aip.metastore.ingenta.com/content/aip/journal/jap/106/6/10.1063/1.3211297
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Relationship between the proportion of PIA-768-01X in the polyimide mixture and the pretilt angle of the alignment layer produced using the mixture.

Image of FIG. 2.
FIG. 2.

Applied voltage dependences of the transmittances of RTN-LCD and TN-LCD. LC materials RDP94808E062 with a pitch length of and RDP94808 without a chiral reagent were used. The pretilt angle of the cells was 13°.

Image of FIG. 3.
FIG. 3.

curves for RTN-LCD (LC material: ZLI4792, pitch length: , pretilt angle: 20°), TN-LCD (LC material: ZLI4792, pitch length: , pretilt angle: 20°) and TN-LCD (LC material: ZLI4792, no chiral reagent, pretilt angle: 1°).

Image of FIG. 4.
FIG. 4.

Viewing angle dependences of the transmittances for RTN-LCD and TN-LCD with pretilt angles of 20° with no applied voltage. For both RTN-LCD and TN-LCD, ZLI4792 (UR019) (Merck Co.) with a right-handed pitch (pitch length: ) was used.

Image of FIG. 5.
FIG. 5.

Calculation results for RTN-LCD polar angle distributions for various pitch lengths with no applied voltage. The horizontal axis shows the position in the cell width. The vertical axis shows the polar angle . For each line, the pitch length of the LC material is different from each other.

Image of FIG. 6.
FIG. 6.

Simulation result for the dependence of the transmittance on the applied voltage. Data for ZLI2293 (Merck Ltd.) were used. Pitch length and pretilt angle were set to and 17°, respectively.

Image of FIG. 7.
FIG. 7.

Calculated azimuth angle distribution of RTN-LCD for applied voltages from 0 to 3.0 V.

Image of FIG. 8.
FIG. 8.

Responses of RTN-LCD and TN-LCD to an applied voltage corresponding to a transmittance of 10%. The signal voltage was applied at 50 ms and was turned off at 150 ms.

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/content/aip/journal/jap/106/6/10.1063/1.3211297
2009-09-29
2014-04-23
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Molecular arrangement for twisted nematic liquid crystal displays having liquid crystalline materials with opposite chiral structures (reverse twisted nematic liquid crystal displays)
http://aip.metastore.ingenta.com/content/aip/journal/jap/106/6/10.1063/1.3211297
10.1063/1.3211297
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