Display Panel Pixel Driver Segmentation for Bezel Reduction
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Solution Overview
Problem
Conventional display devices face challenges in reducing bezel width and manufacturing costs due to the incorporation of driver components within the display panel, which limits display area and manufacturing efficiency.
Innovation Solution
The display panel is designed with a pixel driver split into portions, where one portion is placed in the non-display area and another in the display area, allowing for a thinner bezel and reduced manufacturing costs by optimizing the placement of active and passive elements, such as TFTs, within the panel.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If the driver is fully incorporated into the display panel, then manufacturing cost is reduced, but the bezel width increases
Solution Approach 1:
The driver is divided into two separate portions: a first portion disposed in the non-display area and a second portion disposed in the display area. This segmentation allows the driver functionality to be distributed, reducing the bezel width occupied by the driver while maintaining full driver functionality, thus resolving the contradiction between manufacturing cost reduction and bezel width reduction.
2Ease of manufacture
If the driver is fully incorporated into the display panel, then manufacturing cost is reduced, but the display area is reduced
Solution Approach 1:
By segmenting the driver into two portions and placing the first portion in the non-display area, the display area is preserved for image display purposes. The second portion in the display area maintains necessary driver functionality. This segmentation resolves the contradiction by minimizing the impact on display area while achieving cost reduction through integration.
3Area of stationary object
If the bezel width is reduced, then the display area utilization is improved, but the driver placement becomes more difficult
Solution Approach 1:
The driver segmentation allows different portions to be strategically placed: the first portion in the non-display area where space is available, and the second portion in the display area where minimal space is needed. This resolves the contradiction by providing flexible placement options that accommodate reduced bezel width while maintaining driver functionality.
Solution Approach 2:
The driver portions are disposed at different locations within the display panel structure - one in the non-display area and one in the display area. This spatial distribution across different regions resolves the placement difficulty by utilizing available space in multiple zones rather than confining the entire driver to a single constrained area.
Data Source
Figure 1
Figure 2
Figure 3A~3B
AI summary
A display device includes a plurality of pixels disposed in an display area, and a pixel driver connected to at least two of the pixels, wherein the pixel driver drives the at least two pixels, where a portion of the pixel driver is disposed in the display area, and the display device includes the display area, on which an image is displayed, and a non-display area, on which no image is displayed.