Cholesteric liquid crystal display module and driving method thereof

By designing the AC common-layer partitioning of the cholesteric liquid crystal display module and alternating partition writing timing, the source drive line reuse is achieved, solving the problem of a large number of driver ICs in the prior art, reducing costs and improving display quality and reliability.

CN122043828BActive Publication Date: 2026-06-23ANHUI YUTU TECH CO LTD
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Patent Information

Application Number
CN202610518067.7
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2026-04-20
Publication Date
2026-06-23
Estimated Expiration
2046-04-20

AI Technical Summary

Technical Problem

Existing cholesteric liquid crystal display modules require multi-layer structures and multiple driver ICs, resulting in high costs, especially in large-size or high-resolution displays.

Method used

The common-pole layer is partitioned into isolated regions, and the source drive lines are reused by alternating partition writing timing, reducing the number of driver ICs.

Benefits of technology

Without increasing the driving timing complexity, the number of source driver chips required for a single-layer cholesteric display module is reduced by half, which reduces the module manufacturing cost and power consumption, and enables a thinner and lighter design.

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Abstract

The application discloses a cholesteric liquid crystal display module and a driving method thereof, and belongs to the technical field of electronic paper display. The display module comprises a first substrate, a plurality of source driving lines and arrayed pixel electrodes driven by the plurality of source driving lines are arranged on the first substrate; a second substrate is arranged opposite to the first substrate, an alternating common electrode layer is arranged on the second substrate, the alternating common electrode layer comprises a first alternating common electrode area and a second alternating common electrode area which are electrically isolated from each other; a cholesteric liquid crystal layer is sealed between the first substrate and the second substrate; and a conductive frame glue comprises a first conductive part corresponding to the first alternating common electrode area and a second conductive part corresponding to the second alternating common electrode area, and the first conductive part and the second conductive part are electrically isolated from each other. The cholesteric liquid crystal display module and the driving method thereof reduce the number of driving chips and the cost of the module by alternating common electrode partitioning and source line multiplexing.
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