Display Panel Lamination for Accurate Corner Bending
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Solution Overview
Problem
Existing methods of manufacturing display apparatuses result in the display unit being bent in a direction other than the preset direction at the corner, affecting the quality of image display.
Innovation Solution
A method involving the use of a case with a first surface shaped to correspond to an indented portion of a cap, where the display panel is attached with a first adhesive layer, and pressed by the cap, followed by detachment using ultraviolet rays to lower adhesiveness, allowing for precise bending in the preset direction.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Shape
If a guide film is used to bend the display unit during manufacturing, then the display unit can be bent, but the display unit is bent in a direction other than the preset direction at the corner
Solution Approach 1:
The case is pre-formed with a first surface that has a shape corresponding to the indented portion of the cap, creating a predetermined bending path. This preliminary structural preparation ensures that when the cap presses the display panel, the bending occurs in the preset direction rather than an arbitrary direction
Solution Approach 2:
The cap with the indented portion acts as an intermediary tool between the pressing force and the display panel. The indented portion's shape, which corresponds to the first surface of the case, mediates the bending process to ensure it follows the preset direction defined by the case geometry
2Strength
If the display panel is attached to the case with adhesive layer, then the display panel is firmly fixed, but the adhesive layer prevents easy detachment for rework or adjustment
Solution Approach 1:
The adhesive layer's properties are changed by applying ultraviolet rays, which alter its adhesiveness. This parameter change allows the adhesive to transition from a strong bonding state during assembly to a detachable state during rework, resolving the contradiction between firm fixation and ease of detachment
Solution Approach 2:
The adhesive layer undergoes periodic action through ultraviolet irradiation that temporarily or permanently reduces its adhesiveness. This periodic modification of adhesive properties enables the display panel to be firmly attached during manufacturing but easily detached when needed for adjustments or repairs
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
Enables high-quality image display by ensuring the display unit is bent accurately in the preset direction, enhancing aesthetic appeal and increasing the display area, including corners.
Implementation Method 1
the case may include a material having elasticity
Implementation Method 2
the detaching the display panel may include detaching the display panel from the case by irradiating an ultraviolet ray to the display panel in a direction of a second surface of the case opposite to the first surface of the case, and lowering adhesiveness of the first adhesive layer
Data Source
AI summary
A method of manufacturing a display apparatus which displays high-quality images includes disposing a case on a lamination mold, disposing a display panel such that a first surface of the display panel faces a first surface of the case, and attaching the display panel on the case with a first adhesive layer between the first surface of the case and the first surface of the display panel, and pressing the display panel by a cap including an indented portion in a surface of the cap.