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refrigerator

A refrigerator and transparent technology, applied in the field of the structure of the operation display part, can solve the problems of increasing the number of parts, poor productivity, unstable quality, etc., and achieve the effects of reducing costs, reducing components, and stabilizing quality

Active Publication Date: 2017-09-15
MITSUBISHI ELECTRIC CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] When using a plurality of light guide plates for surface emission, light guide plates are required in one-to-one correspondence with each touch operation part, icon, and character display part (for example, if there are 30 lighting elements, 30 light guide plates are required) , there are issues such as increased number of parts, poor productivity, high cost, and unstable quality

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment approach 1

[0039] figure 1 It is a front view of the refrigerator concerning Embodiment 1 of this invention.

[0040] Such as figure 1 As shown, refrigerator 1 includes refrigerator compartment 100 , switch compartment 200 , ice making compartment 300 , freezer compartment 400 , and vegetable compartment 500 . Refrigerating room 100 is equipped with an opening and closing door, and is arrange|positioned at the uppermost part. The switching room 200 has a sliding door and is arranged below the refrigerating room 100, and can be switched from freezing (-18°C) to refrigerated (3°C), chilled (0°C), and soft-frozen (-7°C). and other temperature zones. Ice making room 300 has a sliding door, and is arranged in parallel with switching room 200 . The freezer compartment 400 has a sliding door, and is arranged below the switching compartment 200 and the ice making compartment 300 . Vegetable compartment 500 is provided with a sliding door, and is arranged at the lowermost part.

[0041] Ope...

Embodiment approach 2

[0058] Figure 8 It is an external view of the transparent electrode sheet 12 according to Embodiment 2 of the present invention.

[0059] Each wiring pattern of the patterned wiring layer 19 has many wiring patterns, for example, the wiring pattern of the start button 16 will be described. If the wiring of the start button 16 is routed in a pattern like the individual wiring 27 , the start button 16 may react when a finger comes into contact with this wiring portion, which may cause a malfunction. If it is made into a single wiring, the parasitic capacitance becomes small, and not only the transparent conductive ink layer 20 but also the wiring portion becomes highly sensitive, and as a result, the start button 16 responds.

[0060] In this embodiment, if Figure 8 As in the composite wiring 28 of the composite wiring 28, the pattern wiring is collectively collected on one side together with another pattern wiring group 29 in which a plurality of wirings are collected in pa...

Embodiment approach 3

[0066] Next, an example in which visibility is further improved in surface emission will be described as Embodiment 3. FIG.

[0067] Figure 11 It is a sectional view of the operation display panel 6 according to Embodiment 3 of the present invention.

[0068] Such as Figure 11 As shown, a light shielding wall 13 a for shielding light from an adjacent light emitting source 25 is formed on the support member 13 , and a tapered surface 32 is provided on the light shielding wall 13 a. By providing the light-shielding wall 13a in this way, a tapered surface is formed in the light guide portion formed between the adjacent light-shielding wall 13a and the light-shielding wall 13a, so that the light emitted from the light emitting source 25 is not blocked, and the light can reach the transparent electrode sheet. 12 icon print layers 22 .

[0069] The angle of the tapered surface 32 is preferably larger than the irradiation range 33 of the light source 25 , but since there are also ...

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PUM

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Abstract

Provided is a refrigerator capable of reducing the number of parts of the operation display portion, improving productivity, reducing cost, and stabilizing quality even when the operation display portion surface is made to emit light. The refrigerator has an operation display panel. The operation display panel (6) has: a transparent member (11); a transparent electrode sheet (12) provided on the back side of the transparent member (11); a supporting member (13) supporting the transparent electrode sheet (12); and an electronic The substrate (14) is equipped with a plurality of light emitting sources (25) and a microcomputer. The transparent electrode sheet (12) has: a transparent base material (18); a transparent conductive ink layer (20), which is arranged on the transparent member (11) side of the transparent base material (18); an icon printing layer (22), whose It is arranged on the electronic substrate (14) side of the transparent base material (18); and a pattern wiring layer (19), which connects the transparent conductive ink layer (20) to the electronic substrate (14).

Description

technical field [0001] The present invention relates to a refrigerator, and more particularly to a structure of an operation display portion of the refrigerator. Background technique [0002] In recent years, as an operation display unit (operation display panel) of a refrigerator, a touch-sensing method has gradually become the mainstream. There are many products that improve visibility by turning on a light emitting source when displaying a touch-operated part, an icon, or a character on an operation display unit. [0003] In addition, the touch operation portion of the operation display unit also has a power saving function that turns off when it is not normally operated and lights up only when it is operated. [0004] However, in consideration of elderly users, a certain size of light emitting area is required in the touch operation part, icon and character display part, and there are many cases where a plurality of light guide plates are used for surface light emission...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F25D29/00
CPCF25D23/00G09F13/04H01H36/00
Inventor 横尾广明前田刚铃木和贵笕仁志大和康成
Owner MITSUBISHI ELECTRIC CORP