Display Panel Blood Pressure Measurement Integration

Resolve Bottlenecks,
Find Innovative Solutions
Generate Solutions

Solution Overview

Problem

Conventional blood pressure measuring devices are cumbersome due to the need for separate light sources, sensors, and displays, making them inconvenient for portable use, especially in the healthcare industry's trend towards more portable biometric data acquisition.

Innovation Solution

A display device integrating a blood pressure measuring module with a pressure sensor and a pulse wave sensor, where the pressure sensor overlaps the display area and uses the display panel's light-emitting layer as a light source for optical sensing, allowing for simultaneous blood pressure measurement without additional complex components.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If a traditional blood pressure measuring device is used, then blood pressure measurement function is provided, but the device is cumbersome and requires separate light source, sensor, and display

Engineering Contradiction:
ImproveportabilityVSAvoidnumber of components
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The patent combines the light source, optical sensor, pressure sensor, and display into a single integrated display device. The display panel serves multiple functions: as the display interface, as the light source (using its backlight or self-emission), and as the interface for optical measurement. This merging eliminates the need for separate blood pressure measuring equipment while maintaining measurement functionality.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The display device is designed to perform multiple functions simultaneously. The display panel acts as both the visual output interface and the light source for optical sensing. The touch interface serves both user interaction and blood pressure measurement purposes. This multi-functionality reduces the overall system complexity and improves portability.

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

2Measurement precision

If separate blood pressure measuring equipment is used, then accurate blood pressure measurement is achieved, but it is inconvenient to carry separately

Engineering Contradiction:
Improveblood pressure measurement accuracyVSAvoidportability
Core Design Contradiction:
Measurement precisionVSWeight of moving object

Solution Approach 1:

The patent integrates the blood pressure measurement module into the display device by combining the optical sensor and pressure sensor with the display panel. This integration eliminates the need for separate blood pressure measuring equipment, making it convenient to carry while maintaining measurement accuracy through the coordinated use of optical and pressure sensing.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The display device serves as both a general-purpose display device and a specialized blood pressure measuring device. The touch interface and display panel are utilized for both normal interaction and health monitoring functions, eliminating the need for additional dedicated equipment and improving portability without sacrificing measurement precision.

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

3Adaptability or versatility

If additional light source and sensor components are added, then blood pressure measurement function is enabled, but device complexity increases

Engineering Contradiction:
Improveblood pressure measurement capabilityVSAvoidstructural complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent merges the light source function with the display panel itself. The display panel's backlight or self-emission is utilized as the light source for optical sensing, eliminating the need for separate light source components. The optical sensor and pressure sensor are integrated with the display structure, reducing overall device complexity while enabling blood pressure measurement capability.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The display panel is designed to serve multiple functions: visual display, light source for optical sensing, and interface for pressure sensing. This multi-functionality reduces the number of separate components needed, simplifying the overall device structure while maintaining the adaptability to perform blood pressure measurements.

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

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

Enables convenient, portable blood pressure measurement by integrating necessary sensors within a display device, eliminating the need for separate equipment and simplifying the measurement process.

Implementation Method 1

an optical sensor OPS that receives light reflected or scattered from the object OBJ

Methodology Applied
Scientific EffectLight reflection: Reflection

Implementation Method 2

an optical sensor OPS that receives light reflected or scattered from the object OBJ

Methodology Applied
Scientific EffectLight scattering: Scattering

Implementation Method 3

a pressure sensor PRS that measures pressure that is applied by an object OBJ

Methodology Applied
Scientific EffectPressure sensing:

Data Source

PatentEP3788950B1Display device
Publication Date: 2023.05.10 SAMSUNG DISPLAY CO LTD
  • EP3788950B1 patent drawingFigure 1
  • EP3788950B1 patent drawingFigure 2
  • EP3788950B1 patent drawingFigure 3

AI summary

A display device includes a display panel to display an image, and a blood pressure measuring module including a pressure sensor and a pulse wave sensor, wherein the pressure sensor is configured to sense a pressure that is applied to the display panel, the pulse wave sensor includes an optical sensor, and the pulse wave sensor is configured to generate a pulse wave signal using light that is emitted from a pixel of the display panel.