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IC card,Apparatus for mixing light beams and backlight module having the same,Temperature-sensitive color-developing liquid crystal microcapsule and preparation method thereof

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3 results about "Cholesteric liquid crystal" patented technology

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A cholesteric liquid crystal display (ChLCD) is a display containing a liquid crystal with a helical structure and which is therefore chiral. Cholesteric liquid crystals are also known as chiral nematic liquid crystals. They organize in layers with no positional ordering within layers, but a director axis which varies with layers. The variation of the director axis tends to be periodic in nature. The period of this variation (the distance over which a full rotation of 360° is completed) is known as the pitch, p. This pitch determines the wavelength of light which is reflected (Bragg Reflection).

IC card

InactiveUS20060176410A1Increase awarenessStatic indicating devicesRecord carriers used with machinesBlue lightCholesteric liquid crystal

In an IC card, cholesteric liquid crystal layers reflecting red light and a cholesteric liquid crystal layer reflecting blue light, in a planar state, are laminated, and a voltage is respectively applied to the laminated cholesteric liquid crystal layers, to change the orientation of the cholesteric liquid crystals between the planar state and a focal conic state, so as to transmit or reflect light, thereby displaying predetermined information.

Owner:FUJITSU LTD +1

Apparatus for mixing light beams and backlight module having the same

InactiveUS20060285037A1Reduce the overall heightImprove performanceNon-linear opticsLight beamColor mixing

The present invention relates to an apparatus for mixing light beams, which has at least one cholesteric liquid crystal (CLC) layer disposed between a reflective plate and an upper plate so as to form two mixing areas. Because the cholesteric liquid crystal (CLC) layer has a property of reflecting narrow band-circular polarized light, the light beams emitted from a plurality of light source are mixed in the two mixing areas. As a result, the height of the mixing area is reduced, and the color-mixing performance is raised.

Owner:CHI LIN TECH CO LTD

Temperature-sensitive color-developing liquid crystal microcapsule and preparation method thereof

InactiveCN111560258ALiquid crystal compositionsMicroballoon preparationCholesteric liquid crystalMaterials science

The invention provides a temperature-sensitive color-developing liquid crystal microcapsule. The liquid crystal microcapsule comprises a core material and a wall material, the core material is cholesteric liquid crystal, and the wall material is formed by interfacial polymerization of a polyacyl chloride compound and a polyamine compound. The invention also discloses a preparation method of the temperature-sensitive color-developing liquid crystal microcapsule. According to the temperature-sensitive color-developing liquid crystal microcapsule, different colors can be displayed along with temperature changes in different temperature ranges according to different liquid crystal formulas used as core materials, and the solvent resistance can be greatly improved while the reflectivity is notinfluenced, so that the stability of the liquid crystal microcapsule is improved, and the application range of the liquid crystal microcapsule is expanded.

Temperature-sensitive color-developing liquid crystal microcapsule and preparation method thereof

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Owner:JIANGSU JICUI INTELLIGENT LCD TECH CO LTD

3 results about "Cholesteric liquid crystal" patented technology

IC card

Apparatus for mixing light beams and backlight module having the same

Temperature-sensitive color-developing liquid crystal microcapsule and preparation method thereof

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