电子纸显示装置及电子设备

Abstract

本申请提供一种电子纸显示装置及电子设备，涉及显示领域。电子纸显示装置包括阵列基板、底部基板和流动介质层；阵列基板包括有像素单元，每个像素单元内包括顶部基板和像素电极，顶部基板背离像素电极的一面形成电子纸显示装置的显示面；底部基板包括底部电极；流动介质层设置于阵列基板和底部基板之间，流动介质层包括有填充液，填充液内包括呈不同电性的黑色粒子和白色粒子，且黑色粒子位于流动介质层的顶部，白色粒子位于流动介质层的底部；当电子纸显示装置进行显示时，阵列基板用于驱动黑色粒子从像素电极向底部电极的方向移动，并驱动白色粒子从底部电极向像素电极的方向移动。本申请能够提高电子纸显示装置的刷新速率以及观看体验。

Claims

1. An electronic paper display device, characterized by comprising: include: An array substrate includes multiple pixel units, each pixel unit including a top substrate and a pixel electrode disposed opposite to each other, and the side of the top substrate facing away from the pixel electrode forms the display surface of the electronic paper display device; A bottom substrate, the bottom substrate including a bottom electrode; A flow dielectric layer is disposed between the array substrate and the bottom substrate. The flow dielectric layer includes a filling liquid containing black particles and white particles with different electrical properties. The black particles are located at the top of the flow dielectric layer, and the white particles are located at the bottom of the flow dielectric layer. When the electronic paper display device is displaying, the array substrate is used to drive the black particles to move from the pixel electrode to the bottom electrode, and to drive the white particles to move from the bottom electrode to the pixel electrode. 2.The electronic paper display device of claim 1, wherein, The pixel unit is provided with a light-transmitting part, which is used to transmit reflected light from particles located on top of the flow medium layer; Wherein, the ratio of the area of ​​the light-transmitting portion to the area of ​​the pixel unit is at least greater than 50%. 3.The electronic paper display device of claim 2, wherein, The array substrate further includes a color filter layer, which is disposed at least in the light-transmitting portion. 4.The electronic paper display device of claim 1, wherein, The pixel unit further includes a thin-film transistor. An insulating layer is disposed between the pixel electrode and the thin-film transistor. The insulating layer has a through hole, and the pixel electrode is electrically connected to the thin-film transistor at the through hole. 5.The electronic paper display device of claim 4, wherein, The top substrate is provided with touch electrodes to form a touch area on the display surface. 6.The electronic paper display device of claim 5, wherein, The gate of the thin-film transistor and the touch electrode are both disposed on the top substrate. 7.The electronic paper display device of claim 1, wherein, The electronic paper display device further includes a barrier wall disposed at the edge of the flow medium layer. The two ends of the barrier wall are respectively connected to the bottom electrode and the pixel electrode, and are used to support the array substrate. 8.The electronic paper display device of claim 1, wherein, The electronic paper display device further includes a protective cover or a touch screen, wherein the protective cover or the touch screen is disposed on the side of the top substrate opposite to the pixel electrode. 9.The electronic paper display device of claim 1, wherein, The bottom electrode is a light-transmitting conductive layer, and the side of the bottom substrate away from the bottom electrode also serves as the display surface.

10. An electronic device, comprising: Includes the electronic paper display device according to any one of claims 1-9.

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