Using liquid crystal optical film to make optical compensated semi penetrating reflective type liquid crystal display

A liquid crystal display, semi-transmissive reflection technology, applied in optics, nonlinear optics, instruments, etc., can solve the problem that transmission and reflection cannot coexist

Inactive Publication Date: 2004-05-05
WINTEK CORP
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Problems solved by technology

[0006] The purpose of the present invention is to provide a semi-transmissive reflective active liquid crystal display (AMLCD) using a liquid crystal optical film (LC film) for optical compensation in a transmissive mode, which can adopt a mixed twisted nematic mode (MTNN mode ) as reflection mode, and use liquid crystal optical film (LCfilm) as penetration compensation to solve the problem that transmission and reflection cannot coexist in mixed twisted nematic mode (MTN mode) on thin film transistor liquid crystal display (TFT LCD), and can have the best reflective performance

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  • Using liquid crystal optical film to make optical compensated semi penetrating reflective type liquid crystal display
  • Using liquid crystal optical film to make optical compensated semi penetrating reflective type liquid crystal display
  • Using liquid crystal optical film to make optical compensated semi penetrating reflective type liquid crystal display

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Embodiment Construction

[0017] see figure 1 , a schematic diagram of the structural layer of a transflective active liquid crystal display (AM LCD) in a black matrix mode (normalliy black mode) using a liquid crystal optical film (LC film) for optical compensation in a transmissive mode provided by the present invention, in The structure 1 of normalliyblackmode mainly includes: upper and lower polarizers 11, 12, upper and lower glasses 13, 14, liquid crystal cell 15, semi-reflector 16, liquid crystal optical film (LC film) 17; the liquid crystal cell 15, is covered by the upper and lower glass 13, 14, contains a color filter (color filter), internal semi-reflective film and thin film transistor array (TFT array), the liquid crystal mode is a mixed twisted nematic mode (MTN mode), the twist angle (twist angle) is left-handed 60-90 degrees, the optical phase difference (delta nd) = 0.250.300 microns (μm), the angle between the direction of the surface liquid crystal guide axis and the transmission axis...

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Abstract

A semitransmission-reflection LCD using optical LC film for optical compensation features that a mixed torsional nematic mode is used as its reflection mode and the optical LC film is used for the compensation of transmissive mode. On the basis of existing technology for preparing the reflection-type film transistor, the orientation angle of orientation film is changed to make the included angle between upper and lower substrates be 60-90 deg and the spacer is used to make the gap between them be less than 4 mm to form its LC box in mixed torsional nematic mode. Then, the compensating LC film is stuck on the back of basic glass plate containing the film transistor array and reflecting plate.

Description

technical field [0001] The present invention relates to a transflective reflective active liquid crystal display (AM LCD) using a liquid crystal optical film (LC film) for optical compensation in a transmissive mode, in particular to a hybrid twisted nematic mode (MTN mode ) as reflection mode, and use liquid crystal optical film (LC film) as transmission compensation to solve the problem that transmission and reflection cannot coexist in hybrid twisted nematic mode (MTNN mode) on thin film transistor liquid crystal display (TFT LCD) Transflective Active Liquid Crystal Display (AM LCD). Background technique [0002] The existing transflective thin film transistor liquid crystal display (TFT LCD) has difficulties in choosing the liquid crystal mode. Therefore, so far, among the existing technologies, the better reflection mode is the mixed-mode twisted nematic mode (Mixed-mode TN, proposed by Professor Wu Shicong), but the optical phase of the liquid crystal cell required by...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02F1/13363G02F1/1337
Inventor 吴易骏林敬桓
Owner WINTEK CORP
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