Display Panel Copy Pixel Layout for Uniform Transmissive Regions

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Solution Overview

Problem

Existing electronic devices with display panels face challenges in achieving uniform display quality and performance due to variations in transmittance and light emission across different regions, leading to inconsistencies in image rendering and user experience.

Innovation Solution

The electronic device incorporates a display panel design with distinct regions, including an element region, a transmissive region, a copy element region, and a bridge region, where light emitting elements and a copy light emitting element operate in synchronization, with specific curvature and connectivity features to enhance display quality and transmittance uniformity.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Illumination intensity

If a transmissive region is introduced to improve light transmission, then transmittance is improved, but display quality becomes non-uniform across regions

Engineering Contradiction:
ImprovetransmittanceVSAvoiddisplay quality uniformity
Core Design Contradiction:
Illumination intensityVSManufacturing precision

Solution Approach 1:

The patent applies local quality by introducing a copy light emitting element specifically in the copy element region adjacent to the transmissive region. This localized addition compensates for the reduced light emission in the transmissive region without affecting other areas, thereby maintaining display quality uniformity while preserving the high transmittance characteristic of the transmissive region.

Inventive Principle:
Principle #3Local quality

Solution Approach 2:

The patent uses the copying principle by creating a copy element region with a copy light emitting element that replicates the function of the main light emitting element. This copy element is positioned to overlap with the transmissive region, providing compensatory light emission that balances the display quality across different regions while maintaining the overall transmissive property.

Inventive Principle:
Principle #26Copying

2Manufacturing precision

If display quality is improved by adding light emitting elements, then image rendering is enhanced, but transmittance decreases

Engineering Contradiction:
Improvedisplay qualityVSAvoidtransmittance
Core Design Contradiction:
Manufacturing precisionVSIllumination intensity

Solution Approach 1:

The copy light emitting element is localized specifically in the copy element region that overlaps with the transmissive region, rather than uniformly distributing light emitting elements across the entire display panel. This localized approach provides display quality compensation only where needed, preserving the high transmittance property of the main transmissive region.

Inventive Principle:
Principle #3Local quality

Solution Approach 2:

Instead of adding multiple light emitting elements that would collectively reduce transmittance, the patent uses a single copy light emitting element that replicates the function of the main light emitting element. This copying approach provides sufficient compensation for display quality while minimizing the impact on overall transmittance.

Inventive Principle:
Principle #26Copying

3Stability of the object's composition

If the bridge region connects element region and copy element region, then structural integrity is improved, but manufacturing complexity increases

Engineering Contradiction:
Improvestructural integrityVSAvoidmanufacturing complexity
Core Design Contradiction:
Stability of the object's compositionVSEase of manufacture

Solution Approach 1:

The bridge region is designed with a curved shape that extends from the element region to the copy element region, following the circular arrangement of light emitting elements. This curved bridge structure provides structural connectivity and electrical connection while being compatible with standard circular patterning processes, thus managing manufacturing complexity.

Inventive Principle:
Principle #14Spheroidality (Curvature)

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 design improves display quality by ensuring consistent light emission and transmittance across regions, resulting in enhanced image rendering and user experience by compensating for variations in the first region without significant decreases in transmittance.

Implementation Method 1

a plurality of light emitting elements disposed in the element region and a copy light emitting element that operates in synchronization with one of the plurality of light emitting elements

Methodology Applied
Scientific EffectLight emission: Light Emitting Diode

Data Source

PatentUS20250097328A1Electronic device
Publication Date: 2025.03.20 SAMSUNG DISPLAY CO LTD
  • US20250097328A1 patent drawing
  • US20250097328A1 patent drawing
  • US20250097328A1 patent drawing

AI summary

An electronic device includes a display panel including a first region and a second region spaced apart from the first region, in which the first region includes an element region, a transmissive region disposed adjacent to the element region, a copy element region spaced apart from the element region and partially surrounded by the transmissive region, and a bridge region connected to the copy element region and the element region. The display panel includes a plurality of light emitting elements disposed in the element region and a copy light emitting element that operates in synchronization with one of the plurality of light emitting elements and that is disposed in the copy element region, where the copy element region overlaps a center of a transmissive edge that defines the transmissive region.