Integrated Backlight Frame Reducing Display Device Thickness
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Solution Overview
Problem
Conventional liquid crystal display devices face challenges in reducing overall size and manufacturing cost due to the complexity of assembling multiple components, including a backlight module and liquid crystal panel, which hinders the implementation of a slim bezel design.
Innovation Solution
A display device with a backlight module that integrates a frame, a light guide element, and a light source, where the light guide element serves as both an appearance surface and a component of the frame, eliminating the need for additional components like a back cover and plastic frames, and allowing the display panel to be directly connected to the frame.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If conventional assembling process with multiple components (backlight module, liquid crystal panel, back cover, plastic frame) is used, then the display device can be assembled with standard components, but the overall size becomes larger and manufacturing cost increases
Solution Approach 1:
The patent merges the back cover and plastic frame into a single integrated back plate structure. The back plate includes a receiving space that accommodates the liquid crystal panel and a light guide plate, eliminating the need for separate back cover and frame components. This integration reduces the number of parts while maintaining structural integrity and support functions.
Solution Approach 2:
The back plate serves multiple functions simultaneously: it acts as the appearance member (back cover), provides structural support (frame), and creates the mounting space for internal components (receiving space). This multi-functionality reduces the need for separate dedicated components for each function.
2Device complexity
If conventional assembling process with multiple components is used, then the display device can be assembled with standard components, but the manufacturing cost becomes higher
Solution Approach 1:
The back cover and plastic frame are merged into a single back plate component, reducing the number of parts that need to be manufactured, inventoried, and assembled. This integration simplifies the supply chain and reduces assembly operations, leading to lower manufacturing costs.
Solution Approach 2:
The invention extracts and eliminates unnecessary intermediate components (separate back cover and plastic frame) from the assembly process, retaining only the essential functional structure in the integrated back plate design.
3Strength
If conventional assembling process with back cover and plastic frame is used, then the display device can be assembled with proper support structures, but the overall size becomes larger and slim bezel design becomes difficult
Solution Approach 1:
The back cover and plastic frame are combined into a single back plate that provides all necessary structural support functions. The integrated structure maintains the required strength and support for the liquid crystal panel while eliminating the additional volume that would result from stacking separate components.
Solution Approach 2:
The back plate is designed as a thin, integrated structure that provides sufficient support while minimizing thickness. This enables the display device to achieve a slim profile and facilitates bezel design without compromising structural integrity.
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
This configuration reduces the number of components, lowers manufacturing costs, and enables a smaller, lighter, and thinner display device design suitable for a slim bezel format.
Implementation Method 1
a light guide element (114), and a light source (116)... The light guide element is connected to the frame (112) and has a light incident surface (S11), a light emitting surface (S12), and a back surface (S13)
Data Source
AI summary
A display device including a backlight module and a display panel is provided. The backlight module includes a frame, a light guide element, and a light source. The light guide element is connected to the frame and has a light incident surface, a light emitting surface, and a back surface. The back surface is opposite to the light emitting surface and serves as an appearance surface of the display device. The light source is disposed in the frame and aligned with the light incident surface. The display panel is connected to the frame, and the light emitting surface faces the display panel. A backlight module is also provided. The display device and the backlight module provided in the invention are thinner and lighter, and have a desirable appearance.