Borderless Display Panel Structure Without a Protruding Middle Frame

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Solution Overview

Problem

Existing visually borderless displays face high manufacturing costs due to complex wiring and processes required when the display panel is inverted, and the middle frame protrudes beyond the display panel surface, preventing a seamless design.

Innovation Solution

A display device design featuring a display panel with inwardly retracted side surfaces and a decorative strip comprising a planar and bending component that encapsulates the bottom frame, eliminating the need for an additional middle frame and simplifying manufacturing processes.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Shape

If the display panel is inverted to achieve a visually borderless design, then the middle frame can be removed, but the wiring and manufacturing processes become more complex

Engineering Contradiction:
Improvevisually borderless designVSAvoidwiring and manufacturing processes
Core Design Contradiction:
ShapeVSDevice complexity

Solution Approach 1:

The patent applies inversion by flipping the display panel structure so that the array substrate is positioned on the light-emitting side instead of the conventional configuration. This allows the middle frame to be completely removed while maintaining manageable wiring and manufacturing processes, achieving a visually borderless design without the complexity that would normally accompany such an approach

Inventive Principle:
Principle #13The other way round (Inversion)

2Shape

If the middle frame structure is removed to achieve a borderless display, then the visual appearance improves, but the manufacturing cost increases

Engineering Contradiction:
Improveborderless display appearanceVSAvoidmanufacturing cost
Core Design Contradiction:
ShapeVSEase of manufacture

Solution Approach 1:

By inverting the display panel configuration with the array substrate on the light-emitting side, the patent enables middle frame removal while avoiding the need for complex additional wiring and manufacturing processes, thereby achieving borderless appearance without proportionally increasing manufacturing costs

Inventive Principle:
Principle #13The other way round (Inversion)

3Stability of the object's composition

If a traditional middle frame is used to fix the display panel, then the structure is stable, but the frame protrudes beyond the display panel surface

Engineering Contradiction:
Improvedisplay panel fixationVSAvoidframe protrusion
Core Design Contradiction:
Stability of the object's compositionVSShape

Solution Approach 1:

The patent extracts and removes the middle frame structure entirely from the display assembly. By positioning the array substrate on the light-emitting side and using appropriate bonding and support structures, the display panel achieves both stability and a flush appearance without any protruding frame elements

Inventive Principle:
Principle #2Taking out (Extraction)

Data Source

PatentUS20260110930A1Display device
Publication Date: 2026.04.23 GUANGZHOU CHINA STAR OPTOELECTRONICS SEMICON DISPLAY TECH CO LTD
  • US20260110930A1 patent drawing
  • US20260110930A1 patent drawing
  • US20260110930A1 patent drawing

AI summary

The present application provides a display device. The display device includes a display panel, a backlight module and a decorative strip. An array substrate of the display panel includes a first side surface, a color film substrate of the display panel includes a second side surface, and the second side surface is inwardly retracted relative to the first side surface. The backlight module includes a third side surface, and the first side surface is inwardly retracted relative to the third side surface. The decorative strip includes a planar component and a bending component, a first end of the planar component is lapped over a surface of the color film substrate away from the array substrate, and a second end of the planar component is connected to the bending component. The bending component extends towards the array substrate and is fixedly connected to the first side surface of the array substrate.