CN-119291967-B - Electrochromic device and electronic equipment

CN119291967BCN 119291967 BCN119291967 BCN 119291967BCN-119291967-B

Abstract

The application discloses an electrochromic device and electronic equipment, wherein the electrochromic device comprises two parallel opposite electrode layers, an electrochromic functional layer arranged between the electrode layers, at least two main dividing gaps arranged in the electrode layers and used for dividing the electrode layers into a plurality of independent electrode blocks, the main dividing gaps in the two electrode layers are in mirror symmetry, a plurality of parallel auxiliary dividing gaps arranged in the electrode blocks and used for dividing the electrode blocks into a plurality of sub-electrodes, one end of each auxiliary dividing gap is cut off at a main dividing gap adjacent to the electrode block, the other end of each auxiliary dividing gap is cut off at the edge of the electrode layer included in the electrode block, the direction perpendicular to the plane of the electrode layers is a first direction, and for vertically opposite two electrode blocks in the first direction, the auxiliary dividing gaps in the two electrode blocks are intersected in different planes so as to divide the electrochromic device into a plurality of pixels. The application can realize the dynamic display of real-time conversion and improve the uniformity and response speed of electrochromic.

Inventors

QIAN JIANGHUA
LI XIAOXIONG
HONG YIPING

Assignees

北京鲜猿电子设备制造有限公司

Dates

Publication Date: 20260508
Application Date: 20230710

Claims (9)

1. An electrochromic device is provided, which comprises a substrate, characterized by comprising the following steps: Two parallel opposite electrode layers; An electrochromic functional layer located between the electrode layers; the electrode layer is internally provided with at least two main dividing gaps, and the main dividing gaps divide the electrode layer into a plurality of independent electrode blocks; The electrode block is internally provided with a plurality of parallel sub-dividing gaps, and the sub-dividing gaps divide the electrode block into a plurality of sub-electrodes; one end of the auxiliary dividing gap is cut off at one main dividing gap adjacent to the electrode block, and the other end of the auxiliary dividing gap is cut off at the edge of an electrode layer included in the electrode block; For two electrode blocks vertically opposite in the first direction, the minor dividing gaps in the two electrode blocks are intersected in different planes so as to divide the electrochromic device into a plurality of pixels; The electrode layer is in a positive N-side shape, N is a positive integer larger than 2, N main dividing gaps are arranged in the electrode layer, one ends of the main dividing gaps are cut off from the center of the positive N-side shape, the other ends of the main dividing gaps are cut off from one vertex of the positive N-side shape, or the electrode layer is in a round shape, one ends of the main dividing gaps are cut off from the center of the round shape, and the other ends of the main dividing gaps are cut off from the round edges of the round shape, so that a fan-shaped electrode block is formed.
2. The electrochromic device according to claim 1, characterized in that for two of the electrode blocks vertically opposite in the first direction, the electrode lines to which the sub-electrodes are connected lead out from the electrode layer edges comprised by the electrode blocks.
3. Electrochromic device according to claim 1, characterized in that the electrode blocks are each connected to a separate control unit.
4. The electrochromic device according to claim 1, characterized in that for two of said electrode blocks vertically opposite in said first direction, the angle at which the minor dividing gap minor faces meet in both of said electrode blocks ranges from any angle between 0 ° -180 °.
5. The electrochromic device according to claim 1, wherein the width of the main division gap is 0.05 μm-5000 μm; and/or the width of the sub-dividing gap is 0.05 μm to 5000 μm.
6. The electrochromic device according to claim 5, wherein the width of the main division gap is 20-200 μm; The width of the sub-dividing gap is 20 μm to 200 μm.
7. The electrochromic device according to claim 1, characterized in that for two of said electrode blocks vertically opposite in said first direction the sub-electrodes in one of said electrode blocks are the same width as the sub-electrodes in the other of said electrode blocks.
8. The electrochromic device according to claim 1, wherein the fan-shaped electrode blocks are identical in shape.
9. An electronic device comprising an electrochromic device according to any one of claims 1-8.

Description

Electrochromic device and electronic equipment Technical Field The application relates to the technical field of electrochromic, in particular to an electrochromic device and electronic equipment. Background Electrochromic (Electrochromism, abbreviated as EC) refers to a phenomenon that optical properties (transmittance, reflectance, absorptivity, etc.) of a material are changed stably and reversibly under an applied voltage or current stimulus, and is expressed as a reversible change in color and transparency in appearance. The display made of electrochromic device has large visual angle, clear and clear display, better than that of liquid crystal display, and has memory property, and can keep display state after power-off. The existing electrochromic display device has monotonous display area and display pattern, and can not change dynamic display in real time according to the requirement, thus greatly restricting the development of electrochromic technology in the display field. Disclosure of Invention In view of the above, the present application provides an electrochromic device and an electronic apparatus, and the scheme is as follows: an electrochromic device comprising: Two parallel opposite electrode layers; an electrochromic functional layer located between the electrode layers; The electrode layer is internally provided with at least two main dividing gaps which divide the electrode layer into a plurality of independent electrode blocks; The electrode block is internally provided with a plurality of parallel auxiliary dividing gaps, and the auxiliary dividing gaps divide the electrode block into a plurality of sub-electrodes; For the electrode blocks vertically opposite to each other in the first direction, the opposite sub-division gaps in the two electrode blocks are intersected to divide the electrochromic device into a plurality of pixels. Preferably, in the above electrochromic device, for two electrode blocks vertically opposed in the first direction, electrode lines to which the sub-electrodes are connected are led out from edges of electrode layers included in the electrode blocks. Preferably, in the electrochromic device, the electrode blocks are connected to separate control units, respectively. Preferably, in the electrochromic device, for two electrode blocks vertically opposite in the first direction, an included angle range where the minor dividing gap different faces in the two electrode blocks meet is any angle between 0 ° and 180 °. Preferably, in the electrochromic device described above, the width of the main division gap is 0.05 μm to 5000 μm; And/or the width of the sub-dividing gap is 0.05 μm to 5000 μm. Preferably, in the above electrochromic device, the width of the main division gap is 20 μm to 200 μm; The width of the sub-dividing gap is 20 μm to 200 μm. Preferably, in the above electrochromic device, for two electrode blocks vertically opposed in the first direction, the sub-electrodes in one electrode block are the same in width as the sub-electrodes in the other electrode block. Preferably, in the electrochromic device, the electrode layer is in a positive N-shape, wherein N is a positive integer greater than 2; n main dividing gaps are arranged in the electrode layer, one end of each main dividing gap is cut off at the center of the positive N-shaped polygon, and the other end of each main dividing gap is cut off at one vertex of the positive N-shaped polygon. Preferably, in the electrochromic device, the electrode layer is circular; One end of the main dividing gap is cut off at the circle center of the circle, and the other end is cut off at the round edge of the circle, so that a fan-shaped electrode block is formed. Preferably, in the electrochromic device, the fan-shaped electrode blocks have the same shape. The application also provides electronic equipment comprising the electrochromic device of any one of the above. As can be seen from the above description, in the electrochromic device and the electronic apparatus provided by the technical solution of the present application, the electrode layer of the electrochromic device is divided into a plurality of independent electrode blocks based on the main dividing gap, and the electrode block is divided into a plurality of sub-electrodes based on the auxiliary dividing gap, so that the electrochromic state of each pixel can be controlled based on the sub-electrodes, thereby realizing the dynamic display of real-time conversion. Secondly, based on the layout design of the auxiliary segmentation gaps in the electrode blocks, electrode wires of two opposite electrode blocks in the first direction can be led out from the same side, and the packaging difficulty of the device is greatly reduced. In addition, since the electrode layer is divided into a plurality of independent electrode blocks based on the main division gap at first and then divided into a plurality of sub-electrodes based on the sub-division gap, the l