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Thermotropic display element and thermotropic display device

A technology of display elements and heating elements, applied in nonlinear optics, instruments, optics, etc., can solve the problem that electronic paper cannot realize color display, etc., and achieve the effect of rich colors

Active Publication Date: 2010-12-22
TSINGHUA UNIV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] However, since the above-mentioned electronic paper using electrophoretic display technology needs to use charged particles, the charged particles are generally only white and black, resulting in the electronic paper not being able to achieve color display.

Method used

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  • Thermotropic display element and thermotropic display device
  • Thermotropic display element and thermotropic display device
  • Thermotropic display element and thermotropic display device

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Embodiment Construction

[0044] The thermal display element and the thermal display device of the present invention will be further described below in conjunction with the accompanying drawings.

[0045] Detailed description.

[0046] see figure 1 and figure 2 , the first embodiment of the present invention provides a thermotropic display element 100, the thermotropic display element 100 includes a closed case 102, the closed case 102 includes an upper substrate 1022 and a lower substrate 1024; the closed case 102 includes A space 120, the space 120 is located between the upper substrate 1022 and the lower substrate 1024; a colored material layer 110, the colored material layer 110 is arranged in the space 120, and is in contact with the lower substrate 1024, the colored material layer 110 is solid A colored material, which undergoes a phase change at a certain temperature and becomes a gaseous state; a first heating element 106, which is arranged on the upper substrate; a second heating element 10...

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Abstract

The invention provides a thermotropic display element, which comprises a sealed shell, a first heating element and a second heating element, wherein the sealed shell comprises an upper substrate and a lower substrate which are oppositely arranged; the first heating element is arranged on the upper substrate; and the second heating element is arranged on the lower substrate. The upper substrate has a semitransparent structure and comprises a first surface and a second surface opposite to the first surface. The thermotropic display element also comprises a color material layer, wherein the color material layer is arranged inside the sealed shell and is converted through phase change between the upper substrate and the lower substrate under alternative heating action of the first heating element and the second heating element. The invention also provides a thermotropic display device which applies the thermotropic display element.

Description

technical field [0001] The invention relates to a thermotropic display element and a thermotropic display device using the thermotropic display element. Background technique [0002] Currently, electronic paper is a commonly used display device that does not require a backlight source. Electronic paper is a new type of information carrier. Since it can replace traditional paper, it has broad application prospects and great commercial value in various fields such as advertisements, newspapers, and books. The electronic papers currently on the market mainly use electrophoretic display technology. Electrophoretic display technology includes microcapsule electrophoresis technology, microcup electrophoresis technology and electronic powder fluid technology. [0003] Microcapsule electrophoresis technology is to encapsulate black and white charged particles and electrophoretic medium in a microencapsulated droplet structure to form microcapsules, and then set a conductive backpl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02F1/01
Inventor 柳鹏范守善
Owner TSINGHUA UNIV
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