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Display panels and spliced ​​display panels

A display panel and panel technology, applied in the direction of static indicators, identification devices, instruments, etc., can solve the problems of poor charging of pixels in the display area, large difference in GOA signal waveform delay, etc., to reduce the impact of charging and the difference in GOA signal Reduce, reduce the effect of signal difference

Active Publication Date: 2022-01-25
TCL CHINA STAR OPTOELECTRONICS TECH CO LTD
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  • Abstract
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Problems solved by technology

like figure 1 As shown, in the existing GOA in source technology, both sides of the entire chip-on-chip region 12 have connection lines connected to the GOA signal bus 11, and the large-area crossing arrangement of the GOA signal bus 11 and the data lines of the GOA circuit region 13 will The delay (RC Loading) on ​​the GOA signal bus 11 is caused, and there is a non-negligible difference between the access point of the GOA signal bus 11, the near-end A and the far-end B (for specific waveform differences, refer to figure 2 As shown), the delay of the GOA signal waveform received by the GOA circuit in different regions is greatly different, which in turn leads to poor charging of the pixels in the display area

Method used

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  • Display panels and spliced ​​display panels
  • Display panels and spliced ​​display panels
  • Display panels and spliced ​​display panels

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Embodiment Construction

[0034] 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.

[0035] In the description of the present invention, it should be noted that unless otherwise specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. Connected, or integrally connected; it can be mechanically connected, or electrically connected, or can communicate with each other; it can be directly connected, or indirectly connected through...

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Abstract

The present invention provides a display panel and a spliced ​​display panel. The display panel includes: a GOA circuit, a GOA signal bus and a chip-on-chip film area. In the present invention, the chip-on-chip film area is output from the traditional two sides, and the signal output is performed by each film chip, so as to reduce the signal difference of the GOA bus line, so that the GOA circuit received by each level of GOA circuit The signal difference is reduced as much as possible, thereby reducing the output signal difference of the GOA circuit and reducing the impact on the charging of the pixels in the display area.

Description

technical field [0001] The invention relates to the field of display technology, in particular to a display panel with an ultra-narrow frame and a spliced ​​display panel. Background technique [0002] In response to market demand, large-size and high-resolution displays and ultra-narrow borders (UNB: Ultra Narrow Border) have become market trends. In recent years, splicing screens, which have attracted wide attention from the market, have raised the bar for display products with extreme narrow border technology. Demand, seams are extremely reduced, and the distance between adjacent splicing panels needs to be less than 1mm has become a future trend. The GOA circuit is located on one side of the panel (GOA in Source), which has three narrow and one wide products, because it can be used for three-sided splicing, and has a non-negligible price advantage compared with existing products, which has attracted widespread attention in the industry in recent years. . Such as figur...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G09G3/20G09F9/30G09F9/302
CPCG09F9/30G09F9/302G09G3/20
Inventor 王添鸿钟云肖金一坤
Owner TCL CHINA STAR OPTOELECTRONICS TECH CO LTD
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