Display device and timepiece
A display device and display technology, which can be used in clocks, watches, visual time indicating devices, electromechanical clocks, etc., and can solve the problems of poor display visibility of display components and the like
Active Publication Date: 2021-09-10
CASIO COMPUTER CO LTD
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- Abstract
- Description
- Claims
- Application Information
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Problems solved by technology
However, if an air layer is provided in a region overlapping with the display area of a display component such as a liquid crystal panel, the visibility of the display of the display component will deteriorate due to reflection of light at the boundary with the air layer.
Method used
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Embodiment Construction
[0027] refer to Figure 1 to Figure 7 , one embodiment of the display device of the present invention and a timepiece to which the display device is applied will be described.
[0028] In addition, in the embodiment described below, various limitations technically preferable for carrying out the present invention are added, but the scope of the present invention is not limited to the following embodiment and illustrated examples.
[0029] figure 1 It is a front view showing the timepiece in this embodiment.
[0030] like figure 1 As shown, the timepiece 100 in this embodiment includes a case member (hereinafter referred to as "watch case 1" in the embodiment). The watch case 1 is formed of, for example, hard synthetic resins such as engineering plastics and super engineering plastics, metals such as titanium and stainless steel (SUS), or hard materials such as ceramics. In addition, the material forming the watch case 1 is not limited to the materials exemplified here.
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The invention provides a display device and a timepiece which can confirm waterproofness in a waterproofness test in a region corresponding to a display region and can realize high visibility. A windproof member (31), a solar cell panel (32), a liquid crystal display (33), an air layer (34) disposed between the solar cell panel and the liquid crystal display (33), and a light reflection prevention layer (35) are laminated in a viewing direction in which the liquid crystal display is viewed via the windproof member (31) and the solar cell panel, the solar cell panel is disposed on the lower portion of the windproof member so as to be in contact with the windproof member, and the liquid crystal display is disposed below the solar cell panel and has a display area which can be visually recognized from the outside. The light reflection prevention layer is provided on at least one of a surface of the solar panel in contact with the air layer and a surface of the liquid crystal display in contact with the air layer, and a region of the windproof member overlapping a display region of the liquid crystal display is a window capable of waterproof inspection.
Description
technical field [0001] The present invention relates to a display device and a timepiece. Background technique [0002] Conventionally, there are known devices provided with display devices such as waterproof clocks and watches. [0003] In such a display device (or a device including the display device), a waterproof test is performed to test whether waterproofness is ensured before shipment or the like. [0004] In this waterproof test, after temporarily immersing the device in water, the air inside the casing is caused to undergo a drastic temperature change to condense it, and it is observed whether the protective part (windproof part in a watch) made of glass or the like is condensed. Fogging caused by condensation. If fogging occurs on the protective part due to condensation, it is judged that moisture has flowed into the case due to immersion in water, and thus the water resistance is not sufficient. to waterproof reliability. [0005] In order to conduct such a w...
Claims
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IPC IPC(8): G04G17/02G04G9/00
CPCG04G17/02G04G9/00G04G17/045G04C10/02Y02E10/52H02S40/22G04B37/08G04G17/04
Inventor 山川英司
Owner CASIO COMPUTER CO LTD