Display Panel Driver Layout for Narrow-Bezel Screens

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Solution Overview

Problem

The conventional driver circuit placement on the left and right frames of LED display panels hinders the achievement of a narrow frame design, contradicting the trend towards reduced bezel widths.

Innovation Solution

The driver circuit, including shift register circuits, is integrated within the display area by positioning them between adjacent light-emitting element rows, allowing for a more compact layout that reduces the frame width.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Length of moving object

If the driver circuit is located on the left frame and right frame, then the driver circuit can be easily accessed and connected, but the frame width increases which contradicts the narrow frame design trend

Engineering Contradiction:
Improveframe widthVSAvoiddriver circuit connection
Core Design Contradiction:
Length of moving objectVSEase of manufacture

Solution Approach 1:

The driver circuit is moved from the lateral frame areas (left and right) to the lower frame area, utilizing an underutilized spatial dimension. This dimensional relocation allows the driver circuit to be integrated without increasing the overall frame width, as the lower frame provides sufficient space for circuit placement and connection access.

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

Solution Approach 2:

The driver circuit is divided into multiple stages of shift register circuits that are cascaded together. These segmented circuit stages are strategically positioned between adjacent pixel circuit rows in the lower frame area, allowing for modular integration that maintains manufacturing ease while achieving narrow frame dimensions.

Inventive Principle:
Principle #1Segmentation

2Length of moving object

If the driver circuit is integrated within the display area, then the frame width is reduced, but the layout becomes more complex

Engineering Contradiction:
Improveframe widthVSAvoidlayout complexity
Core Design Contradiction:
Length of moving objectVSDevice complexity

Solution Approach 1:

The shift register circuits are positioned in specific localized regions between adjacent pixel circuit rows in the lower frame area. This localized placement strategy allows the driver circuit to be integrated within the display area while maintaining a relatively simple overall layout, as each circuit stage is confined to a specific spatial zone rather than being distributed throughout the entire display area.

Inventive Principle:
Principle #3Local quality

3Length of moving object

If the driver circuit is placed in the lower frame area, then the frame width is reduced, but the connection access becomes more difficult

Engineering Contradiction:
Improveframe widthVSAvoidconnection access
Core Design Contradiction:
Length of moving objectVSEase of operation

Solution Approach 1:

The lower frame area serves multiple functions: it accommodates the driver circuit integration, provides space for connection access, and maintains the narrow frame profile. By making the lower frame area a multi-functional zone, the design achieves narrow frame width while preserving ease of connection access through the same spatial region.

Inventive Principle:
Principle #6Universality (Multi-functionality)

Data Source

PatentUS12525176B2Display panel and display device
Publication Date: 2026.01.13 HUBEI YANGTZE IND INNOVAION CENT OF ADVANCED DISPLAY CO LTD
  • US12525176B2 patent drawing
  • US12525176B2 patent drawing
  • US12525176B2 patent drawing

AI summary

Disclosed are a display panel and a display device. The display panel includes a display area, a plurality of light-emitting elements located in the display area, and at least one driver circuit located in the display area; the plurality of light-emitting elements includes a plurality of light-emitting element rows extend in a first direction and arranged in a second direction, where the first direction and the second direction intersect; the at least one driver circuit includes a plurality of shift register circuits disposed in cascade and a shift register circuit of the plurality of shift register circuits is located between adjacent light-emitting element rows of the plurality of light-emitting element rows.