Flexible OLED Display Layout for Thin, High-Contrast Panels
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional display apparatuses are thick and heavy due to the inclusion of components such as liquid crystals, backlight units, and polarizing filters, which are necessary for color image display.
Innovation Solution
A flexible display apparatus utilizing a substrate with spaced-apart light emitting devices and a light shielding layer, eliminating the need for liquid crystals, backlight units, and polarizing filters, and featuring a mesh-structured common circuit for electrical coupling.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Illumination intensity
If liquid crystals, backlight units, and polarizing filters are used to display color images, then color display capability is achieved, but the display apparatus becomes thick and heavy
Solution Approach 1:
The patent extracts and eliminates the backlight unit, liquid crystals, and polarizing filters from the display apparatus. Instead of using these traditional components, the invention employs self-emissive OLED pixels that generate their own light, thereby removing the heavy and thick backlight assembly while maintaining color display capability through the organic light-emitting materials and color filters.
2Illumination intensity
If liquid crystals, backlight units, and polarizing filters are used to display color images, then color display capability is achieved, but the display apparatus thickness increases
Solution Approach 1:
The patent removes the thick backlight unit and liquid crystal layers from the display structure. The OLED technology enables direct light emission from the pixel layer itself, eliminating the need for a separate backlight assembly and reducing the overall thickness of the display apparatus while preserving color display functionality through the color filter layer.
3Illumination intensity
If light emitting devices are spaced apart with light shielding layer, then uniform light generation and increased contrast are achieved, but device structure complexity increases
Solution Approach 1:
The patent segments the display into discrete light-emitting devices (OLED pixels) spaced apart from each other. A light shielding layer is positioned between adjacent pixels to prevent light from one pixel from leaking into adjacent pixels. This segmentation approach enables uniform light generation across the display and increases contrast by reducing light interference between pixels, while the modular structure facilitates manufacturing.
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
The solution results in a thinner and lighter display apparatus capable of uniform light generation and increased contrast, with improved flexibility and durability.
Implementation Method 1
A display apparatus including a plurality of light emitting diodes constructed according to exemplary embodiments of the invention are capable of obviating the need of at least one or more components of a conventional display apparatus
Implementation Method 2
a plurality of light emitting devices spaced apart from one another and disposed on the flexible substrate
Data Source
AI summary
A light emitting device including a protection layer including a first area and a second area having a greater thickness than the first area, a light emitting stacked structure including a plurality of semiconductor layers sequentially disposed one over another along a first direction on the first area of the protection layer, a plurality of via patterns electrically connected to the light emitting stacked structure and having a length along the first direction, and a plurality of pads electrically connected to the light emitting stacked structure through the via patterns, respectively, in which the second area of the protection layer does not overlap the light emitting stacked structure, and at least portion of the pads overlaps the second area of the protection layer and one of the via patterns.