Display Device Slim Bezel Vertical LED Module Integration
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Solution Overview
Problem
There is a demand for thinner and lighter display devices with reduced bezel size and improved picture quality, as well as the need to integrate sensor units without increasing the overall thickness, while maintaining low power consumption and minimizing bezel size.
Innovation Solution
The display device achieves a slim bezel by forming a through hole in the cover and altering the connection structure of the sub-flexible printed circuit board to extend through the cover, and by changing the installation direction of the LED module to reduce thickness and enhance picture quality, with sensor units mounted on the LED module to minimize space and add functions like skin care and sterilization.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Length of stationary object
If the LED module installation direction is changed to reduce thickness, then the overall thickness is reduced and picture quality is enhanced, but the connection structure complexity increases
Solution Approach 1:
The LED module is rotated from a conventional planar installation to a vertical installation direction, changing the spatial dimension of light emission. This dimensional change allows the light to pass through the cover glass from below, reducing the overall thickness of the display device while maintaining picture quality through optimized light path design.
Solution Approach 2:
A light guide plate is introduced as an intermediary component between the vertically installed LED module and the liquid crystal panel. This light guide plate optimizes the light distribution path, ensuring uniform illumination while accommodating the changed installation direction, thereby resolving the complexity introduced by the vertical orientation.
2Area of stationary object
If the bezel size is reduced through cover modification, then the display area ratio increases, but the structural strength may be compromised
Solution Approach 1:
The cover structure is segmented into multiple components: a main cover body, a separate light guide plate, and a reinforcement frame. This segmentation allows the bezel area to be minimized while the reinforcement frame provides structural support, maintaining strength where needed without compromising the display area.
Solution Approach 2:
The cover structure employs composite material design combining transparent materials for the cover glass with reinforcing materials for the frame. This composite approach allows thin bezel design for maximum display area while the reinforcing materials compensate for potential strength losses, achieving both area maximization and structural integrity.
3Adaptability or versatility
If sensor units are mounted on the LED module to add functionality, then the device versatility increases, but the manufacturing complexity increases
Solution Approach 1:
The sensor units are merged with the LED module assembly, combining multiple functions (lighting and sensing) into a single integrated component. This merging approach allows the sensor to utilize the existing LED module mounting structure, reducing the need for separate sensor mounting mechanisms and thereby limiting the increase in manufacturing complexity while achieving enhanced versatility.
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 approach results in a display device with a reduced bezel size, enhanced picture quality, minimized thickness, and integrated sensor functionality, addressing consumer demands for thinness and functionality while maintaining low power consumption.
Implementation Method 1
a light emitting diode (LED) module
Implementation Method 2
an LCD, which expresses an image using an optical anisotropic property of liquid crystals
Implementation Method 3
control of alignment of the liquid crystals by application of an electric field to the liquid crystals
Data Source
AI summary
Disclosed is a display device. The display device achieves a slim bezel by forming a through hole at a bottom portion of a cover, and changing a connection structure of a sub-FPCB to be connected to a main FPCB such that the connection structure extends through the cover without extending along the outside of the cover. The display device achieves a reduction in the thickness of the display device and an enhancement in picture quality through change of an installation direction of an LED module constituted by a main FPCB and LED elements disposed at one surface of the main FPCB. The display device can reduce a space where a sensor unit is disposed in conventional cases by mounting the sensor unit on the LED module, and can realize an additional function such as skin care or sterilization in accordance with the kind of the sensor unit.