Reducing Display Bezel Size via Adhesive Bonding and Extraction
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Display devices with thick bezels negatively impact their aesthetic appearance and reduce the screen display area, as the bezel size and thickness obstruct the view and enhance the overall thickness of the device.
Innovation Solution
A display device design featuring a reduced bezel size and thickness, achieved by using a liquid crystal panel with a backlight unit, a rear chassis, a front chassis, and a middle mold that minimizes the bezel size by not covering the front of the liquid crystal panel and using adhesives with high light transmittance to couple optical members without extra structures, thereby enhancing the aesthetic appearance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of stationary object
If a bezel is provided on edges of the display panel, then the display panel is supported and protected, but the bezel size increases and the screen display area is reduced
Solution Approach 1:
The patent removes the traditional bezel structure from the display device. The front chassis is designed to directly cover the liquid crystal panel without forming a bezel, extracting the unnecessary intermediate structure that was previously used for support and protection. This extraction allows the screen display area to extend to the edges of the device.
Solution Approach 2:
The patent merges the functions of the bezel and frame into a single integrated structure. The front chassis serves both as the protective frame and as the bezel replacement, combining structural support and aesthetic functions into one component. This merging eliminates the need for separate bezel structures while maintaining support and protection functions.
2Strength
If a bezel is provided on edges of the display panel, then structural support is provided, but the overall thickness from front to back increases
Solution Approach 1:
The patent employs thin-film structures and lightweight materials to provide structural support. The front chassis and middle mold are designed as thin structural components that offer sufficient support without adding significant thickness. This allows the display device to maintain structural integrity while achieving a slim profile.
Solution Approach 2:
The patent redistributes structural support functions across different spatial dimensions. Instead of relying on a thick bezel in the horizontal dimension, the structure uses vertical and depth-dimensional components (rear chassis, middle mold, and front chassis) to provide support. This dimensional redistribution reduces the front-to-back thickness while maintaining structural strength.
3Illumination intensity
If adhesives with high light transmittance are used to couple optical members, then the aesthetic appearance is enhanced, but the adhesive bonding strength must be maintained
Solution Approach 1:
The patent optimizes the parameters of the adhesive material to achieve a balance between light transmittance and bonding strength. By selecting adhesives with specific optical properties (high light transmittance) and mechanical properties (adequate bonding strength), the design achieves both aesthetic appearance and structural integrity. This parameter optimization allows the adhesive to fulfill dual functions without compromise.
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 design enhances the aesthetic appeal by enlarging the screen display area and reducing the overall thickness of the display device, resulting in a more visually appealing and slim profile.
Implementation Method 1
a light-penetrated adhesive member to couple the light guide plate to the rear chassis
Implementation Method 2
an optical film assembly, and a light-penetrated adhesive member
Data Source
Figure 1
Figure 2
Figure 3~4
AI summary
A display device including a rear chassis; a light source module installed on the rear chassis, the light source module being configured to emit light; a diffuser plate provided in front of the light source module, the diffuser plate being configured to diffuse the light emitted by the light source module; a liquid crystal panel provided in front of the diffuser plate, the liquid crystal panel being configured to display an image; a front chassis covering a side surface of the liquid crystal panel and a side surface of the diffuser plate; a middle mold provided between the front chassis and the rear chassis, the middle mold being coupled to the rear chassis and the diffuser plate; and a first adhesive provided between the diffuser plate and the middle mold, the first adhesive bonding the diffuser plate being to the middle mold.