Display Panel Peripheral Circuit Placement

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Solution Overview

Problem

The existing configuration of display panels, where peripheral circuits are typically located in the non-display region, restricts the minimization of the rim size, limiting the thinness and compactness of display panels in electronic devices.

Innovation Solution

Incorporating an insulating layer between the peripheral circuit and the pixel electrodes, allowing at least a portion of the peripheral circuit to be located on the display region without interfering with the pixel electrodes, thereby minimizing the rim size of the display panel.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If the peripheral circuit is disposed on the non-display region, then the pixel electrodes are not interfered with, but the rim of the display panel cannot be made thinner and smaller

Engineering Contradiction:

Improvepixel electrode interference preventionVSAvoidrim thickness

Core Design Contradiction:

ReliabilityVSLength of stationary object

Solution Approach 1:

The peripheral circuit is moved from the traditional non-display region (peripheral dimension) to the display region (central dimension), utilizing the vertical stacking space above the display region to resolve the spatial conflict between peripheral circuit placement and rim thickness reduction

Inventive Principle:

Principle #17Another dimension (Dimensionality change)

Solution Approach 2:

An insulating layer is introduced as an intermediary between the peripheral circuit and the pixel electrodes, allowing the peripheral circuit to be placed in the display region while preventing electrical interference with the pixel electrodes below

Inventive Principle:

Principle #24Intermediary (Mediator)

2Length of stationary object

If the peripheral circuit is disposed on the display region, then the rim can be made thinner, but the peripheral circuit may interfere with the pixel electrodes

Engineering Contradiction:

Improverim thicknessVSAvoidelectrical interference

Core Design Contradiction:

Length of stationary objectVSObject-affected harmful factors

Solution Approach 1:

Inventive Principle:

Principle #24Intermediary (Mediator)

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

This configuration enables the realization of a display panel with a thin rim by preventing interference between the peripheral circuit and pixel electrodes, enhancing the compactness and usability of display panels in various electronic devices.

Implementation Method 1

The insulating layer is located between the peripheral circuit and the pixel electrodes. The insulating layer is configured to prevent the peripheral circuit from interfering with the pixel electrodes.

Methodology Applied

Scientific EffectElectrical insulation: Dielectric

Data Source

PatentUS9542879B2Display panel

Publication Date: 2017.01.10 E INK HLDG INC

AI summary

A display panel and a manufacturing method thereof are disclosed herein. The display panel includes a substrate, a peripheral circuit, a plurality of pixel electrodes, a plurality of switches, and an insulating layer. The substrate has a display region and a non-display region. At least a portion of the peripheral circuit is located on the display region of the substrate. The pixel electrodes are located on the display region of the substrate. The switches are respectively and electrically connected to the pixel electrodes, configured to be respectively switched on according to a plurality of scan signals, so as to transmit a plurality of data signals to the pixel electrodes. The insulating layer is located between the peripheral circuit and the pixel electrodes, and is configured to prevent the peripheral circuit from interfering with the pixel electrodes.