Display Panel Antenna Integration in Electrode Layer

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Solution Overview

Problem

The manufacturing of display apparatuses using Laser-Direct-Structuring (LDS) technology is time-consuming, resulting in low manufacturing efficiency due to the lengthy process of forming antennas.

Innovation Solution

Integrating an antenna pattern into the same electro-conductive layer as the electrode pattern during the manufacturing of display panels, allowing for a patterning process that eliminates the need for LDS technology, thereby reducing manufacturing time and improving efficiency.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If Laser-Direct-Structuring (LDS) technology is used to form an antenna on the shell, then the antenna can be created with three-dimensional plastic bracket decomposition, but the manufacturing process becomes time-consuming and manufacturing efficiency decreases

Engineering Contradiction:
Improveantenna formationVSAvoidmanufacturing efficiency
Core Design Contradiction:
ReliabilityVSProductivity

Solution Approach 1:

The patent merges the antenna pattern formation with the electrode layer patterning process. The antenna pattern is formed within the electrode layer during the same photolithography and etching steps used to create the display electrode patterns, eliminating the need for separate LDS processing of the shell. This integration directly resolves the technical contradiction by maintaining reliable antenna formation while dramatically improving manufacturing efficiency.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The patent performs preliminary action by pre-forming the antenna pattern within the electrode layer during the display panel manufacturing process, before the display apparatus is assembled. The antenna conductive pattern is created as part of the electrode structure, so that when the back cover is attached, the antenna is already in position and requires no additional formation steps, thus improving productivity.

Inventive Principle:
Principle #10Preliminary action

2Productivity

If antenna pattern is integrated into the electro-conductive layer during manufacturing, then manufacturing time is shortened and efficiency is improved, but the antenna pattern must be insulated from the electrode layer

Engineering Contradiction:
Improvemanufacturing efficiencyVSAvoidinsulation requirement
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

The patent applies local quality by creating different functional zones within the electrode layer. The antenna pattern regions are selectively insulated from adjacent electrode patterns at specific locations where electrical isolation is required, while other regions maintain their conductive connectivity. This is achieved through localized insulation layers or patterning that provides electrical isolation only where needed, rather than insulating the entire antenna pattern, thus managing device complexity while maintaining high manufacturing efficiency.

Inventive Principle:
Principle #3Local quality

3Ease of manufacture

If the antenna pattern is located within the display area, then the manufacturing process is simplified, but it may interfere with the display function

Engineering Contradiction:
Improvepatterning processVSAvoiddisplay function
Core Design Contradiction:
Ease of manufactureVSReliability

Solution Approach 1:

The patent resolves this contradiction by utilizing the thickness dimension of the display panel. The antenna pattern is formed within the electrode layer at a specific depth within the panel structure, below the display surface. This dimensional placement allows the antenna to coexist with the display function, as it operates at a different spatial level and does not visually interfere with the display area, while still being integrated into the manufacturing process.

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

Data Source

PatentUS11580903B2Display panel, and display apparatus and control method thereof
Publication Date: 2023.02.14 BEIJING BOE DISPLAY TECH CO LTD
  • US11580903B2 patent drawing
  • US11580903B2 patent drawing
  • US11580903B2 patent drawing

AI summary

The present application provides a display panel, belonging to the field of display technology. The display panel includes a base substrate, and a first electro-conductive pattern and a second electro-conductive pattern which are arranged on the base substrate, wherein the first electro-conductive pattern includes a first electrode layer, the second electro-conductive pattern includes a second electrode layer, at least one of the first electro-conductive pattern and the second electro-conductive pattern further includes an antenna pattern, and the antenna pattern is insulated from the electrode layer in the electro-conductive pattern where the antenna pattern is located.