Panel Module Unit Narrow Frame Design
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Solution Overview
Problem
Small-sized measuring apparatuses face challenges in maximizing display unit size while maintaining protection against water, oil, and dust, as narrowing the frame to improve visibility and touch panel operation is difficult due to the need for a secure space for fixing means.
Innovation Solution
A panel module unit design featuring a housing with an annular side wall, a front opening, and a frame, utilizing a biasing means such as a flat spring on the second panel part to indirectly fix the display panel and electronic printed circuit board, ensuring they are pressed against the front side without directly fixing them, thus allowing a narrow frame for larger display visibility while preventing dust and water ingress.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of moving object
If the frame width is narrowed to increase display area, then the display visibility is improved, but the space for fixing means becomes insufficient
Solution Approach 1:
The fixing means are relocated from the front frame area to the rear inner peripheral surface of the housing, utilizing the depth dimension (front-to-rear direction) to resolve the space conflict. This allows the frame to be narrowed for larger display area while maintaining adequate fixing capability in the rear space.
2Area of moving object
If the frame is narrowed to improve visibility, then the display unit size increases, but protection against water, oil, and dust becomes compromised
Solution Approach 1:
The housing structure is segmented into multiple functional zones: the narrow front frame for aesthetic and display purposes, and the rear inner peripheral surface for sealing and fixing functions. This segmentation allows the frame to be narrow while maintaining protection through the rear sealing structure.
3Reliability
If fixing means are placed on the front frame, then the display panel can be secured, but the frame width must be increased reducing display area
Solution Approach 1:
Instead of placing fixing means on the conventional front frame location, the invention inverts the approach by positioning the fixing means on the rear inner peripheral surface of the housing. This inversion allows the front frame to be narrowed for larger display area while the rear structure provides the necessary fixation.
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 achieves a larger display area with a narrow frame, ensuring the display panel is securely pressed against the front wall to prevent dust and water entry, enhancing visibility and operational functionality in harsh environments.
Implementation Method 1
the second panel part is provided with a biasing means for biasing the first panel part from the rear side toward the front side
Data Source
AI summary
There is provided a display panel module unit having a narrow frame suitable for a display unit of a small-sized measuring apparatus. A panel module unit includes a first panel part, a second panel part, and an intermediate cover housed in a housing part in order from a front side to a rear side. The housing part includes an annular side wall and at least one fixing means attached on an inner peripheral surface of the side wall, and the fixing means is a means for fixing a position of the intermediate cover in the housing part. The second panel part is housed between the first panel part and the intermediate cover, and a position of the second panel part is indirectly fixed by the intermediate cover. The second panel part is provided with a biasing means for biasing the first panel part from the rear side toward the front side.