KR970007422A - Double surface stabilized ferroelectric liquid crystal display and manufacturing method thereof - Google Patents

Abstract

The present invention relates to a method for manufacturing a double surface stabilized ferroelectric liquid crystal display, characterized by a structure of a double ferroelectric liquid crystal display in which two surface stabilized ferroelectric liquid crystal cells are placed between a polarizer and a spectrometer, and a display having better gray scale display than a conventional ferroelectric liquid crystal display. Can provide.

Description

Double surface stabilized ferroelectric liquid crystal display and manufacturing method thereof

Since this is an open matter, no full text was included.

FIG. 1 is a front view showing the structure of a double surface stabilized ferroelectric liquid crystal display according to the present invention, and FIG. 2 is a time according to the time applied to the first cell and the second cell to drive the double surface stabilized ferroelectric liquid crystal display according to the present invention. 3A to 3D are graphs showing the change in voltage, and the change in the ferroelectric liquid crystal array inside the cell and the transmitted light transmitted according to the voltage applied to the first and second cells of the dual surface stabilized ferroelectric liquid crystal display according to the present invention. Each perspective view shown.

Claims (7)

A ferroelectric liquid crystal is injected between the cells having the transparent electrodes and the two glass substrates coated with the alignment film at appropriate intervals to be oriented in a surface stabilized state, and another ferroelectric liquid crystal cell having the structure described above in part of the cell Installing a double structured ferroelectric liquid crystal cell between the polarizer and the spectrometer, and matching the direction of the polarizer with one of the two optical axis directions of the two ferroelectric liquid crystal cells, and installing the direction of the spectrometer perpendicularly thereto. And adhering the two cells to each other such that an arrangement change of the ferroelectric liquid crystal molecules occurs in the same direction when an electric field is applied to the above-described two ferroelectric liquid crystal cells. 2. The liquid crystal of claim 1, wherein the liquid crystals injected into the two cells are ferroelectric liquid crystals, and the liquid crystals are fixed in the direction in which the liquid crystals are first oriented. A method for producing a double surface stabilized ferroelectric liquid crystal display, characterized in that. A first cell comprising a glass substrate having a constant interval, a transparent electrode formed on each of the glass substrates, an alignment film formed on each of the transparent electrodes, a ferroelectric liquid crystal injected between the alignment films, and the first cell. A second cell having a structure similar to that of one cell, a joint surface bonded between the cells, a spectrometer provided on the first cell, and a lower part of the second cell bonded to the first cell, A dual surface stabilized ferroelectric liquid crystal display comprising polarizers. The method of claim 2, wherein the refractive index anisotropy of the liquid crystal injected into the two cells is about 0.08 ~ 0.12, the thickness of the two cells d ₁ and d ₂ conditions satisfy the surface stabilizing ferroelectric liquid crystal display conditions and at the same time d ₁ + A double surface stabilized ferroelectric liquid crystal display characterized by satisfying a condition of d ₂ = d = 1.8 to 2.3 µm. The method of claim 2, wherein when the thickness of the two cells is d ₁ = d ₂ = d / 2, the gray scale display in three states of the ratio of transmitted light to incident light is 0%, 50%, and 100%. Surface stabilized ferroelectric liquid crystal display. The method of claim 2, wherein when the thickness of the two cells is d ₁ = 2d ₂ = 2d / 3, four gray levels are displayed in which ratios of transmitted light to incident light are 0%, 25%, 75%, and 100%. Dual surface stabilized ferroelectric liquid crystal display. The dual surface stabilized ferroelectric liquid crystal display according to claim 2, wherein the gray scale display method uses a surface division method or a time division method. ※ Note: The disclosure is based on the initial application.