Liquid Lens Display Panel Groove Light Absorbing Layer

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Solution Overview

Problem

Current light modulation type display panels are easily affected by reflected light, leading to a poorer display effect.

Innovation Solution

A display panel comprising liquid lenses with a light absorbing layer and a reflective layer, where the liquid lenses converge light to focal points within grooves in the light absorbing layer, and the reflective layer is positioned to control the intensity of reflected light, improving the display effect by reducing its impact.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Illumination intensity

If a light modulation type display panel is used, then the display panel can modulate light effectively, but the display effect is poor due to reflected light interference

Engineering Contradiction:

Improvedisplay brightnessVSAvoidreflected light interference

Core Design Contradiction:

Illumination intensityVSObject-affected harmful factors

Solution Approach 1:

The patent converts the harmful reflected light into a beneficial effect by using liquid crystal lenses to focus ambient light onto a reflective layer, which then provides controlled reflected light to enhance display brightness and visibility in outdoor environments

Inventive Principle:

Principle #22Blessing in disguise (Convert harm into benefit)

Solution Approach 2:

The patent changes the optical parameters by using liquid crystal lenses that can dynamically adjust their focal length and light convergence properties, thereby controlling the intensity and distribution of reflected light to optimize display effect under different lighting conditions

Inventive Principle:

Principle #35Parameter changes

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 synergistic effect of liquid lenses and grooves adjusts light intensity per unit area, effectively minimizing the influence of reflected light on the display, thereby enhancing the display effect and enabling improved brightness and color representation.

Implementation Method 1

liquid lenses having a light exiting side; a light absorbing layer disposed on the light exiting side of the liquid lenses, wherein the light absorbing layer is provided with a plurality of grooves corresponding to the liquid lenses, and focal points of the liquid lenses are located in the corresponding grooves

Methodology Applied

Scientific EffectLight convergence: Lens

Implementation Method 2

a reflective layer covering bottoms of the grooves, wherein the bottoms of the grooves are away from the liquid lenses

Methodology Applied

Scientific EffectLight reflection: Reflection

Implementation Method 3

a light absorbing layer disposed on the light exiting side of the liquid lenses

Methodology Applied

Scientific EffectLight absorption: Absorption (EM radiation)

Data Source

PatentUS10928669B1Display panel and display device

Publication Date: 2021.02.23 SHENZHEN CHINA STAR OPTOELECTRONICS SEMICON DISPLAY TECH CO LTD

AI summary

A display panel and a display device are provided. The display panel includes a plurality of liquid lenses having a light exiting side; a light absorbing layer disposed on the light exiting side of the liquid lenses, wherein the light absorbing layer is provided with a plurality of grooves corresponding to the liquid lenses, and focal points of the liquid lenses are located in the corresponding grooves; and a reflective layer covering bottoms of the grooves, wherein the bottoms of the grooves are away from the liquid lenses.