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Electronic paper, preparation method thereof and electronic device

A technology of electronic paper and array substrate, which is applied in the direction of circuits, electrical components, electric solid devices, etc., can solve the problems of complex color electronic paper manufacturing process and high cost, and achieve the effect of reducing metal yellowing process

Pending Publication Date: 2022-05-06
SHENZHEN CHINA STAR OPTOELECTRONICS TECH CO LTD
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  • Abstract
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  • Claims
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Problems solved by technology

[0004] The purpose of the present application is to provide an electronic paper and its preparation method, and an electronic device, which can solve the technical problems of complicated and high-cost color electronic paper in the prior art

Method used

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  • Electronic paper, preparation method thereof and electronic device

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Embodiment Construction

[0023] The following will clearly and completely describe the technical solutions in the embodiments of the application with reference to the drawings in the embodiments of the application. Apparently, the described embodiments are only some of the embodiments of the application, not all of them. Based on the embodiments in this application, all other embodiments obtained by those skilled in the art without making creative efforts belong to the scope of protection of this application. In addition, it should be understood that the specific implementations described here are only used to illustrate and explain the present application, and are not intended to limit the present application. In this application, unless stated to the contrary, the used orientation words such as "up" and "down" usually refer to up and down in the actual use or working state of the device, specifically the direction of the drawing in the drawings ; while "inside" and "outside" refer to the outline of ...

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Abstract

The invention discloses electronic paper, a preparation method thereof and an electronic device. The electronic paper comprises an array substrate and a color film substrate which are oppositely arranged, wherein a thin film transistor is arranged on the array substrate; a black matrix is arranged on the color film substrate and is opposite to the thin film transistor, and the orthographic projection of the black matrix on the array substrate covers the thin film transistor. The technical effects of the invention are that the manufacturing procedures are reduced, and the production cost is saved.

Description

technical field [0001] The present application relates to the display field, in particular to an electronic paper, a preparation method thereof, and an electronic device. Background technique [0002] Electronic paper has the advantages of energy saving and eye protection, and is widely used in electronic readers, electronic tags, electronic billboards, retail promotional cards, etc. At present, the market is no longer satisfied with black and white electronic paper, and has begun to develop color electronic paper technology. Generally, black and white electronic ink film materials can be combined with color filter glass (color filter) to achieve color effects. [0003] In the existing color filter substrate, the RGB needs to be made with a black matrix BM in the alignment process to ensure that the RGB can be aligned with the light-emitting unit. However, the shading of the TFT device is still achieved through the upper metal layer, which will lead to complex production pr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02F1/1677G02F1/167G02F1/1675H01L21/77H01L29/786
CPCG02F1/1677G02F1/167G02F1/1675H01L29/78633H01L27/1288
Inventor 罗平王旭
Owner SHENZHEN CHINA STAR OPTOELECTRONICS TECH CO LTD
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