Backlight Module Support Portion Eliminates Rubber Frame
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Solution Overview
Problem
Existing liquid crystal displays face increased manufacturing costs and weight due to the use of rubber frames in backlight modules, which also prolong assembly time.
Innovation Solution
A lightweight and cost-effective backlight module design featuring a reflective sheet, light guide plate with a support portion, optical assembly, and light source assembly that eliminates the need for a rubber frame by using a support portion made of opaque material and integrated two-component injection molding, along with baffles and embossments for precise LED placement and light management.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If a rubber frame is used to support the display module and fix the backlight module, then the structural stability is improved, but the weight and manufacturing cost increase
Solution Approach 1:
The support portion is integrated with the light guide plate to form a unified structure, eliminating the need for a separate rubber frame. This merging of functions reduces component count, weight, and cost while maintaining structural stability through the integrated design.
Solution Approach 2:
The support portion serves multiple functions simultaneously: it provides structural support for the display module, fixes the backlight module components, and replaces the traditional rubber frame function. This multi-functionality reduces the need for additional components.
2Stability of the object's composition
If a rubber frame is used to support the display module and fix the backlight module, then the structural stability is improved, but the manufacturing cost increases
Solution Approach 1:
The support portion is integrated with the light guide plate to form a unified structure, eliminating the need for a separate rubber frame. This merging of functions reduces component count, weight, and cost while maintaining structural stability through the integrated design.
Solution Approach 2:
The support portion serves multiple functions simultaneously: it provides structural support for the display module, fixes the backlight module components, and replaces the traditional rubber frame function. This multi-functionality reduces the need for additional components.
3Stability of the object's composition
If a rubber frame is used to support the display module and fix the backlight module, then the structural stability is improved, but the assembling time increases
Solution Approach 1:
The support portion is integrated with the light guide plate to form a unified structure, eliminating the need for a separate rubber frame. This merging of functions reduces component count, weight, and cost while maintaining structural stability through the integrated design.
Solution Approach 2:
The support portion serves multiple functions simultaneously: it provides structural support for the display module, fixes the backlight module components, and replaces the traditional rubber frame function. This multi-functionality reduces the need for additional components.
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 design reduces the weight and cost of the backlight module while shortening assembly time by integrating the support and light guide portions and using a flexible substrate to manage light and heat effectively, preventing light leakage and improving heat diffusion.
Implementation Method 1
a reflective sheet; a light guide plate disposed on the reflective sheet
Implementation Method 2
a light guide plate disposed on the reflective sheet, and comprising a light guide portion and a support portion
Implementation Method 3
a light source assembly comprising a plurality of LEDs
Data Source
AI summary
The present disclosure provides a liquid crystal display and a backlight module which includes a reflective sheet, a light guide plate disposed on the reflective sheet, an optical assembly and a light source assembly, the light guide plate including a light guide portion and a support portion disposed to surround the light guide portion, and the optical assembly being located on a top of the light guide portion; and the light source assembly including a plurality of LEDs which are disposed between the support portion and the light guide portion and disposed to be opposite to an incident surface of the light guide portion. The light guide plate according to the present disclosure includes a light guide portion and a support portion disposed to surround the light guide portion, wherein the support portion is used to support the display module and fix the backlight module, thereby omitting a rubber frame.