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Demultiplexer and display panel with demultiplexer

A demultiplexer and multi-distribution technology, applied in the direction of instruments, static indicators, etc., can solve the problems of large size of Demux, low utilization rate of Demux space, unfavorable realization of narrow frame of LTPS display panel, etc., and improve space utilization rate. , the effect of reducing the size

Active Publication Date: 2020-11-24
WUHAN CHINA STAR OPTOELECTRONICS TECH CO LTD
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AI Technical Summary

Problems solved by technology

[0004] but figure 1 The layout of the TFT in the shown Demux structure makes the space utilization of the Demux low, resulting in an excessively large size of the Demux, which is not conducive to the realization of a narrow frame of the LTPS display panel

Method used

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  • Demultiplexer and display panel with demultiplexer
  • Demultiplexer and display panel with demultiplexer
  • Demultiplexer and display panel with demultiplexer

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Embodiment Construction

[0021] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the drawings in the embodiments of the present invention. Apparently, the described embodiments are only some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative efforts fall within the protection scope of the present invention.

[0022] In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " Orientation indicated by rear, left, right, vertical, horizontal, top, bottom, inside, outside, clockwise, counterclockwise, etc. The positional relationship is based on the orientation or positional relationship shown in the drawings, which are only for the convenience of describing the p...

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Abstract

The invention discloses a demultiplexer and a display panel with the demultiplexer. The demultiplexer comprises a plurality of demultiplexing units, each demultiplexing unit comprises two common-source first-type thin film transistors, and two second-type thin film transistors are further arranged between every two adjacent demultiplexing units. According to the invention, the two second type thinfilm transistors are arranged between every two adjacent multipath distribution units, so that the space utilization rate of the multipath distributor is improved, the size of the multipath distributor is reduced, and if the multipath distributor is applied to a LTPS display panel, the realization of a narrow frame of the LTPS display panel is facilitated.

Description

technical field [0001] The invention relates to the field of display technology, in particular to a demultiplexer and a display panel with the demultiplexer. Background technique [0002] Throughout the development of the small and medium-sized display panel market, it is an inevitable trend for display panels to achieve high resolution and narrow bezels. Among various small and medium-sized display panels, the Low Temperature Poly-silicon (LTPS) display panel has gradually become a mainstream product in the small and medium-sized display panel market due to its advantages of high resolution. [0003] In the LTPS display panel, a demux is often used to divide one data output from the driver chip into multiple data. The demux is mainly composed of thin film transistors (Thin Film Transistor, TFT). figure 1 A schematic diagram of the layout of thin film transistors in an existing demultiplexer, such as figure 1 As shown, the demultiplexer consists of 2 demultiplexing units, ...

Claims

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Application Information

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IPC IPC(8): G09G3/20
CPCG09G3/20G09G2310/0297G09G2300/0417G09G2300/0426G09G3/2092
Inventor 余文强
Owner WUHAN CHINA STAR OPTOELECTRONICS TECH CO LTD
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