Heterogeneous Active-Area Display Layout for Reduced Bezels

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Solution Overview

Problem

Display apparatuses in vehicles face challenges in minimizing bezel areas while ensuring uninterrupted operation and safe information display for drivers.

Innovation Solution

A display apparatus with a heterogeneous structure that includes a substrate with a recessed side and a notch area, featuring a gate driver and compensation patterns to compensate for signal outputs, reducing bezel area.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Manufacturing precision

If the gate driver and compensation patterns are disposed in the non-active area, then the signal output compensation is achieved, but the bezel area increases

Engineering Contradiction:
Improvesignal output compensationVSAvoidbezel area
Core Design Contradiction:
Manufacturing precisionVSArea of stationary object

Solution Approach 1:

The gate driver and compensation patterns are moved from the non-active area (2D plane outside active region) into the active area (2D plane within active region), utilizing the third dimension of spatial arrangement by repositioning components within the existing active area boundaries rather than expanding into the non-active area, thereby maintaining compact bezel dimensions while achieving signal compensation

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

Solution Approach 2:

The active area is designed to serve dual functions: displaying image content and housing the gate driver circuitry and compensation patterns. This multi-functional utilization of the active area eliminates the need for separate non-active area allocation, thereby reducing bezel size while maintaining signal output compensation capability

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

2Area of stationary object

If the heterogeneous structure is implemented in the active area, then the bezel area is reduced, but the signal output uniformity becomes challenging

Engineering Contradiction:
Improvebezel areaVSAvoidsignal output uniformity
Core Design Contradiction:
Area of stationary objectVSManufacturing precision

Solution Approach 1:

The active area is designed with heterogeneous local structures where different regions serve different functions: some areas are optimized for signal generation with specific transistor arrangements and compensation patterns, while other areas focus on display functionality. This localized optimization allows signal uniformity to be maintained in the gate driver region while minimizing bezel area overall

Inventive Principle:
Principle #3Local quality

Solution Approach 2:

Compensation patterns are implemented within the active area that provide feedback mechanisms to detect and correct signal output variations. These compensation circuits monitor the actual signal output and adjust accordingly to maintain uniformity across the display, enabling the heterogeneous structure to achieve both reduced bezel area and consistent signal performance

Inventive Principle:
Principle #23Feedback

Data Source

PatentUS20250280680A1Display apparatus
Publication Date: 2025.09.04 LG DISPLAY CO LTD
  • US20250280680A1 patent drawing
  • US20250280680A1 patent drawing
  • US20250280680A1 patent drawing

AI summary

A display apparatus according to an exemplary embodiment of the present disclosure includes a substrate which includes an active area having a heterogeneous side and a non-active area which encloses the active area, including a notch area defined by a shape of the heterogeneous side of the active area, a gate driver including a plurality of gate blocks disposed to be distributed in the active area and outputs a gate signal, a plurality of gate lines connected to the plurality of gate blocks to transmit the gate signal and a first compensation pattern disposed in at least one of the plurality of gate blocks and overlaps the plurality of gate lines.