JP6205583B2 - Display device - Google Patents

Description

  The present invention relates to a display device having a display window.

  Conventionally, a display device having this type of display window has an operation display unit that displays the setting of a driving course and set contents at the front of the main body, and the light of the light emitting LED used for the display unit A configuration for preventing leakage from other than a part has been proposed (see, for example, Patent Document 1).

  FIG. 4 is a partially enlarged cross-sectional view of a conventional washing machine display device described in Patent Document 1.

  In FIG. 4, a plurality of light emitting LEDs 72 are mounted on the surface of a printed circuit board 71. A display window 74 is formed at a position corresponding to each light emitting LED 72 in the case 73 that accommodates the printed circuit board 71, and the case 73 has a space between the display window 74 and the adjacent display window 74. A light shielding rib 75 is formed at the position toward the printed circuit board 71 side.

  The light shielding rib 75 is set to such a height that the other light emitting LED 72 adjacent from the one display window 74 cannot be seen. A panel 76 made of a transparent or translucent material provided on the front side is bonded to the case 73 via a double-sided adhesive tape 77. A light transmitting slit 78 is provided at a position of the printed circuit board 71 corresponding to the lower end portion of the light shielding rib 75, has a width similar to the thickness of the light shielding rib 75, and is long in the longitudinal direction of the light shielding rib 75. Are formed in a rectangular shape having the same length.

  With the above configuration, when the user operates the switch, a specific light emitting LED 72 related to the switch emits light, and the light is visually recognized through the display window 74, and a specific function in the device is executed. Can be notified to the user.

  Further, the light of the light emitting LED 72 is blocked by the light shielding rib 75 so that the light does not leak into the display window 74 adjacent to the light emitting display window 74, but a part of the light from the LED 72 is Reflected on the back surface of 73 and heads toward the printed circuit board 71. At this time, since the light transmitting slit 78 is formed at the destination of the light, the light transmitting slit 78 prevents the diffusion on the printed circuit board 71.

JP-A-11-153970

  However, in the conventional configuration, when the number of light emitting LEDs is small, even if the diffusion of light on the printed circuit board can be prevented, if the display unit is dense and there are many light emitting LEDs, Refraction or diffusion of light occurs through the transparent panel, and the boundary of the light emitting end that the user sees looks blurry, or the end of the adjacent light emitting part appears blurred. There was a problem that it could be dropped, and when a large number or a large number of translucent slits were provided, there was a problem that the strength was significantly reduced.

The present invention solves the above-described conventional problems, and even when the display windows are dense, the light from the light-emitting elements is prevented from leaking to the adjacent display window due to irregular reflection, and the visibility is improved. The object is to provide a display device.

In order to solve the conventional problems, the display device of the present invention includes an operation display unit that performs various input settings and displays setting contents, and the operation display unit is a display case provided on the upper surface side. A controller cover provided on the lower surface side, a control device located between the display case and the controller cover and housed in the controller cover, and a panel cover made of a transparent material located on the surface of the display case If transparent or translucent contents related courses and the operation display or the like made of a material that is printed panels sheet sticking to the surface of the panel cover, made from the control device, a plurality of scan for inputting settings and switch, settings and a plurality of light emitting elements such as a light emitting diode for displaying the progress of such plurality of switches and said plurality of light emitting elements Comprising a printed circuit board mounted with electronic component, wherein the display case, thereby forming a plurality of display windows corresponding to the respective positions of the plurality of light emitting elements, extending from an outer peripheral portion of the plurality of display windows by forming a plurality of light emitting elements, respectively it surrounds unnecessarily shielding ribs, wherein the surface of the display case, before Symbol dark black print portion having low lightness is printed a plurality of display windows with a grid pattern so as to surround each It is set as the structure made.

  As a result, even when the display windows are dense and have many light emitting elements, the edge of light from the light emitting elements can be clearly displayed, and visibility can be improved.

  The display device of the present invention is configured such that printing is performed in a dark color with low brightness around the display window through which light from the light emitting element passes, and a panel cover made of a transparent material is disposed on the upper surface thereof. Even if it is densely packed, the light emitting portion end can be clearly displayed and the visibility can be improved.

1 is a longitudinal sectional view of a washing machine according to Embodiment 1 of the present invention. Longitudinal sectional view of the operation display unit including the control device of the washing machine Partial plan view of the operation display unit including the control device of the washing machine Partial enlarged sectional view of a display device of a conventional washing machine

1st invention has an operation display part which performs various input settings and displays a setting content, The said operation display part has a display case provided in the upper surface side, and a controller cover provided in the lower surface side. A control device located between the display case and the controller cover and housed in the controller cover; a panel cover located on the surface of the display case and made of a transparent material; a panel sheet whose contents are affixed to printed to the surface of the panel cover on the operation display or the like, made, the controller displays a plurality of switches for inputting setting, and setting and progress Bei a plurality of light emitting elements consisting of light emitting diodes, and a printed circuit board mounted with electronic components such as the plurality of switches and said plurality of light emitting elements, a to The display case, each to form a plurality of display windows corresponding to the positions, the plurality of display windows outer periphery extending the plurality of light emitting elements, respectively Then part circumference of the plurality of light emitting elements forming a unnecessarily shielding ribs, the surface of the display case, by which the previous SL plurality of display windows configured to dark black print portion having low brightness in a lattice shape so as to surround each is printed, the display window Even when the light-emitting elements are densely arranged, the edge portion of light from the light-emitting elements can be clearly displayed, and visibility can be improved.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. Further, the present invention is not limited by this embodiment.

(Embodiment 1)
1 is a longitudinal sectional view of a washing machine according to Embodiment 1 of the present invention.

  In FIG. 1, the casing 41 supports the outer tank 43 by a plurality of suspensions 42 in a suspended and vibration-proof manner. The washing / dehydrating shaft 44 is hollow and has a biaxial structure. The washing and dewatering tank 45 has a number of dewatering holes (not shown) on the side wall, a fluid balancer 46 for vibration reduction at the upper part of the inner periphery, and a pulsator 47 for clothes agitation at the center bottom. Has been.

  An upper frame 40 is provided in the upper part of the housing 41, and an operation display unit 51 for performing various input settings and displaying the setting contents is provided in the front part of the upper frame 40. A control device 12 having control means (not shown) for controlling the motor 49 and the like and sequentially controlling a series of steps of washing, rinsing and dewatering is housed inside the operation display unit 51. .

  The transmission mechanism 48 incorporates a reduction gear (not shown) during washing. A motor 49 driven by an inverter by the control device 12 is attached to the outer bottom of the outer tub 43 and rotates the pulsator 47 and the washing / dehydrating tub 45 via the transmission mechanism 48.

  FIG. 2 is a longitudinal sectional view of an operation display unit including the washing machine control device according to Embodiment 1 of the present invention, and FIG. 3 is a partial plan view of the operation display unit including the washing machine control device.

  2 and 3, the control device 12 provided inside the operation display unit 51 is fixed to the display case 3 and accommodated in the controller cover 8.

The printed circuit board 1 of the control unit 12, are mounted electronic components such as a plurality of light emitting elements 2 consisting of light emitting diodes for displaying a plurality of switches 11 and settings and progress for inputting settings Yes. The operation unit 10 in the plurality of switches 11 constitute a display unit 9 by a plurality of light-emitting elements 2.

  A plurality of display windows 4 formed corresponding to the plurality of light emitting elements 2 are formed on the upper surface portion of the display case 3 so that lighting and blinking of the light emitting elements 2 can be visually recognized from above. At the same time, light shielding ribs 5 are formed on the printed circuit board 1 side of the display case 3 so as to extend from the outer periphery of the display window 4 so as to surround each of the light emitting elements 2 from above.

  On the surface of the display case 3, a black printing portion 13, which is a dark color with low brightness, is printed in a lattice shape so as to surround each display window 4.

  Moreover, the panel cover 6 provided in the upper part of the display case 3 is formed of a transparent material, and is attached to the back side of the panel sheet 14 on which the contents relating to the course and operation display are printed.

  About the washing machine comprised as mentioned above, the operation | movement and an effect | action are demonstrated below.

  When the user performs a switch operation such as operation course selection or water level setting from the operation display unit 51, a specific light-emitting element 2 associated with the switch emits light, so that the light is a direct light and a light shielding rib of the display case 3. The reflected light reflected on 5 overlaps and is visually recognized by the user through the display window 4 to inform the user that a specific function in the washing machine is being performed.

At this time, the panel cover 6 causes light refraction and diffusion, but the black print portion 13 printed on the surface of the display case 3 has a dark contrast around the light, so the contrast between light and dark is clear. Visibility can be improved.

  As described above, in the first embodiment, the display case 3 has a plurality of display windows 4 corresponding to each of the plurality of light emitting elements 2 on the upper surface side, and an outer peripheral portion of the display window 4 on the lower surface side. A light shielding rib 5 is formed so as to surround each light emitting element 2 from above, and a dark black printing portion 13 having a low brightness is printed on the surface so as to surround each display window 4. Since the panel cover 6 made of a transparent material is provided between the display case 3 and the uppermost panel sheet 14, even if the display window 4 is dense and has many light-emitting elements 2, light emission is possible. The edge of light from the element 2 can be clearly displayed, and visibility can be improved.

  In the present embodiment, the washing machine has been described as an example. However, the same configuration can be applied to other drum-type washing machines and electrical appliances.

  As described above, the display device according to the present invention is configured such that printing is performed in a dark color with low brightness around the display window through which light from the light emitting element passes, and a panel cover made of a transparent material is disposed on the upper surface thereof. Therefore, even if the display windows are densely packed, the edge of light can be clearly displayed and visibility can be improved, so it can be applied to other drum-type washing machines and electrical appliances. .

1 PCB 2 light-emitting element 3 display case 4 the display window 5 shielding rib 6 panel cover 8 controller cover 11 switch <br/> 12 controller 13 black printing unit 14 panel sheet 40 upper frame 41 housing 43 the outer tank 45 Washing Cumulative dehydration tank 47 Pulsator 49 Motor 51 Operation display section

Claims (1)

It has an operation display unit that displays various settings while performing various input settings.
The operation display unit includes a display case provided on the upper surface side, a controller cover provided on the lower surface side, a control device located between the display case and the controller cover and housed in the controller cover, said to a panel cover made of transparent material located on the surface of the display case, a transparent or translucent material contents on the course or the operation display or the like consists is printed panel sheet affixed to the surface of the panel cover, consisting,
The control device includes a plurality of switches for inputting settings, settings and a plurality of light emitting elements such as a light emitting diode for displaying the progress of such plurality of switches and said plurality of light emitting elements comprising a printed circuit board mounted with electronic components, and
The display case is to form a plurality of display windows corresponding to the positions of the plurality of light emitting elements, a plurality of display windows extending from the outer peripheral portion of the plurality of light emitting elements that respectively enclose unnecessarily Forming shading ribs,
Wherein the surface of the display case, before Symbol plurality of display windows of the display device dark black print portion having low lightness is printed in a lattice shape so as to surround each.

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