JP2005223386A - Display apparatus and remote control transmitter employing the same - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a display apparatus which is used for remote control of various electronic apparatuses and is excellent in visibility and to provide a remote control transmitter employing the same. <P>SOLUTION: A notch 12B is provided in a bottom side in a support part 12 of almost a box shape of a case 11, an adhesive 7 applied onto a panel 16 adhered to the rear side of the case 11 is extended to the notch 12B, thus even when dust or lint 10 or the like is intruded into an open hole 12A of the support part 12 in mistake during use, the dust or lint is adhered to an exposed part 16C of the notch 12B to which the adhesive 7 is extended and since the dust or lint is not moved in the open hole every time of carrying or operations, visibility of a display element 3 passing through a transparent part 16A of the panel 16 is not disturbed and the display apparatus with excellent visibility and the remote control transmitter employing the same can be obtained. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to a display device used for remote control of various electronic devices such as a television, a video, and an air conditioner, and a remote control transmitter using the display device.

  In recent years, various types of electronic devices such as televisions, videos, and air conditioners have been diversified and enhanced in functionality, and even in display devices such as remote control transmitters that remotely operate these electronic devices, numbers and characters are displayed on the display elements. There are an increasing number of devices that can be used to perform various operations.

  Such a conventional display element and a remote control transmitter using the display element will be described with reference to FIGS.

  3 is a cross-sectional view of a conventional remote control transmitter, and FIG. 4 is an exploded perspective view. In FIG. 3, 1 is a substantially box-shaped case made of an insulating resin, and is a substantially box-shaped case having an opening 2A on the bottom surface. A holding portion 2 is provided, and a plurality of through holes 1A are formed on the inner bottom surface.

  Reference numeral 3 denotes a display element such as a liquid crystal, and a plurality of electrodes 3A are formed at predetermined intervals on the upper surface end portion, and the inside of the holding part 2 of the case 1 formed in a shape slightly larger than the outer shape of the display element 3 The lower display surface is mounted so as to be exposed from the opening hole 2A.

  Reference numeral 4 denotes a wiring board having a plurality of wiring patterns (not shown) formed on the upper and lower surfaces, and a plurality of conductive portions 4A connected to the wiring patterns are provided on the lower surface at predetermined intervals. The case 1 is mounted and fixed to the case 1 with screws or the like so as to cover the upper surface of the case 1.

  Reference numeral 5 denotes an elastic connection body, which is formed by laminating a conductive layer and an insulating layer at a predetermined interval in the horizontal direction, and the wiring board 4 and the display element with the elastic connection body 5 slightly bent in the vertical direction. 3, the upper and lower ends of the conductive layer are in elastic contact with the conductive portion 4A and the electrode 3A, so that the plurality of conductive portions 4A and the electrode 3A are electrically connected.

  Furthermore, 6 is a sheet-like panel made of an insulating resin. On the upper surface other than the transparent see-through portion 6A and the plurality of through holes 6B, characters and symbols are printed and an adhesive 7 is applied. The panel 6 is pasted to the back surface of the case 1 by the agent 7 so that the display surface of the lower surface of the display element 3 can be seen from the see-through portion 6A, thereby forming a display device.

  Reference numeral 8 denotes an operating body made of elastic resin or the like housed in the case 1, and a plurality of movable contacts 8A such as carbon are formed on the upper surface, and a plurality of dome-shaped pressing portions 8B are formed on the lower surface. The pressing portion 8B protrudes downward through the through hole 1A of the case 1 and the through hole 6B of the panel 6.

  A plurality of fixed contacts 4B facing the movable contact 8A of the operating body 8 with a predetermined gap are provided on the lower surface of the wiring board 4 to form a switch contact, and a light emitting diode 9A and a microcomputer (see FIG. (Not shown) is mounted, a control circuit 9 for transmitting a remote control signal is formed, and a remote control transmitter is configured.

  In the above configuration, when the remote control transmitter is directed to an electronic device and, for example, a predetermined pressing portion 8B for power supply or volume switching is pressed, the movable contact 8A of the pressing portion 8B comes into contact with the fixed contact 4B. The switch contacts are electrically connected and disconnected, and an infrared remote control signal corresponding to the switch contacts is transmitted from the control circuit 9 to the electronic device, and the electronic device is turned on / off and the volume is increased or decreased by remote control. It is.

  Further, when setting the start time and end time for driving and recording, etc., the predetermined pressing portion 8B is pressed to set the time by displaying the time on the display element 3, and thereafter, these times are set. By transmitting the remote control signal to the electronic device and storing it, the electronic device is configured to start or end when a predetermined time elapses.

As prior art document information related to the invention of this application, for example, Patent Document 1 is known.
Japanese Patent Laid-Open No. 3-173198

  However, in the conventional display device and the remote control transmitter using the same, as shown in FIG. 3, dust or lint 10 or the like mistakenly enters the remote control transmitter during use, and the opening of the holding unit 2 is opened. When entering the 2A, each time the remote control transmitter is carried or operated, it moves in the opening 2A, so that the display surface on the lower surface of the display element 3 through the see-through portion 6A of the panel 6 is difficult to see. There was a problem.

  The present invention solves such a conventional problem, and it is easy to visually recognize the display element 3 even when dust or lint 10 or the like invades, and a display device having good visibility, and a display device using the same. An object of the present invention is to provide a remote control transmitter.

  In order to achieve the above object, the present invention has the following configuration.

  According to the first aspect of the present invention, a cutout portion is provided on the bottom surface of the substantially box-shaped holding portion of the case, and the adhesive applied to the panel attached to the back surface of the case is extended to the cutout portion for display. Even if dust or lint is accidentally intruded into the opening hole of the holding part during use, it will adhere to the adhesive extending to the cutout, Since it does not move through the opening hole every time it is carried or operated, it does not hinder the visibility of the display element through the see-through part of the panel, and has an effect that a display device with good visibility can be obtained. .

  According to a second aspect of the present invention, a wiring board connected to the display element and formed with a plurality of switch contacts is mounted on the case of the display device according to the first aspect, and the electrical contact of the switch contacts is attached to the wiring board. A remote control transmitter is formed by forming a control circuit that transmits a remote control signal according to the separation, and has an effect that a remote control transmitter with good visibility can be realized.

  As described above, according to the present invention, it is possible to obtain an advantageous effect that it is possible to realize a display device with good visibility of a display element and a remote control transmitter using the display device.

  Hereinafter, embodiments of the present invention will be described with reference to FIGS. 1 and 2.

  In addition, the same code | symbol is attached | subjected to the part of the structure same as the structure demonstrated in the term of background art, and detailed description is simplified.

(Embodiment)
FIG. 1 is a cross-sectional view of a display device and a remote control transmitter using the display device according to an embodiment of the present invention, FIG. 2 is an exploded perspective view thereof, and 11 is a substantially box-like shape such as polystyrene or ABS. A case made of an insulating resin is provided with a substantially box-shaped holding portion 12 having an opening 12A on the bottom surface, and a plurality of notches 12B are provided on the bottom surface of the holding portion 12, and a plurality of notches 12B are provided on the bottom surface of the case 11. 11A of through holes are formed.

  Reference numeral 3 denotes a display element such as a liquid crystal, and a plurality of electrodes 3 </ b> A are formed at predetermined intervals on the upper end portion, and the inside of the holding part 12 of the case 11 formed in a shape slightly larger than the outer shape of the display element 3. The lower display surface is mounted so as to be exposed from the opening hole 12A.

  Reference numeral 4 is a wiring board such as paper phenol or glass-containing epoxy, and a plurality of wiring patterns (not shown) are formed on the upper and lower surfaces, and a plurality of conductive portions 4A connected to the wiring patterns are predetermined on the lower surface. The wiring board 4 is mounted and fixed to the case 11 with screws or the like so as to cover the upper surface of the case 11.

  Reference numeral 5 denotes an elastic connection body, which is formed by laminating a conductive layer in which carbon or the like is dispersed in silicon rubber or the like and an insulating layer such as silicon rubber in a horizontal direction at a predetermined interval. It is mounted between the wiring board 4 and the display element 3 in a slightly bent state, and the upper and lower ends of the conductive layer are in elastic contact with the conductive portions 4A and the electrodes 3A, so that the plurality of conductive portions 4A and the electrodes 3A are electrically connected. It is connected.

  Further, 16 is a sheet-like panel made of an insulating resin such as polycarbonate. On the upper surface other than the transparent see-through portion 16A and the plurality of through holes 16B, characters and symbols are printed and the adhesive 7 is applied. The panel 16 is pasted to the back surface of the case 11 with the adhesive 7 so that the display surface on the lower surface of the display element 3 can be seen from the see-through portion 16A, thereby forming a display device.

  Since a plurality of notches 12B are provided on the inner bottom surface of the holding portion 12 of the case 11, the adhesive 7 applied to the upper surface of the panel 16 extends from this portion, and a plurality of exposed portions 16C are formed. Yes.

  Reference numeral 8 denotes an operating body such as silicon rubber or elastomer housed in the case 11, and a plurality of movable contacts 8A such as carbon are formed on the upper surface, and a plurality of dome-shaped pressing portions 8B are formed on the lower surface. The pressing portion 8 </ b> B is formed and projects downward through the through hole 11 </ b> A of the case 11 and the through hole 16 </ b> B of the panel 16.

  A plurality of fixed contacts 4B facing the movable contact 8A of the operating body 8 with a predetermined gap are provided on the lower surface of the wiring board 4 to form a switch contact, and a light emitting diode 9A and a microcomputer (see FIG. (Not shown) is mounted, a control circuit 9 for transmitting a remote control signal is formed, and a remote control transmitter is configured.

  In the above configuration, when the remote control transmitter is directed to an electronic device and, for example, a predetermined pressing portion 8B for power supply or volume switching is pressed, the movable contact 8A of the pressing portion 8B comes into contact with the fixed contact 4B. The switch contacts are electrically connected and disconnected, and an infrared remote control signal corresponding to the switch contacts is transmitted from the control circuit 9 to the electronic device, and the electronic device is turned on / off and the volume is increased or decreased by remote control. It is.

  Further, when setting the start time and end time for driving and recording, etc., the predetermined pressing portion 8B is pressed to set the time by displaying the time on the display element 3, and thereafter, these times are set. By transmitting to the electronic device as a remote control signal and storing it, the electronic device is configured to start or end when a predetermined time elapses.

  When using the remote control transmitter in this way, as shown in FIG. 1, when dust or lint 10 or the like mistakenly enters the remote control transmitter and enters the opening hole 12A of the holding unit 12 as shown in FIG. Each time the remote control transmitter is carried or operated, they move through the opening 12A, making it difficult to visually recognize the display surface on the lower surface of the display element 3 through the fluoroscopic part 16A of the panel 16, but holding the case 11 A plurality of cutout portions 12B are provided on the inner bottom surface of the portion 12, and an exposed portion 16C to which dust, lint 10 or the like adheres is formed.

  That is, while the dust, lint 10 or the like entering the opening hole 12A is moving, the adhesive 7 applied to the upper surface of the panel 16 adheres to the exposed portion 16C of the cutout portion 12B, and thereafter Since the inside of the opening hole 12 </ b> A does not move, the visual recognition of the display element 3 is not hindered.

  As described above, according to the present embodiment, the notch portion 12B is provided on the inner bottom surface of the substantially box-shaped holding portion 12 of the case 11, and the adhesive applied to the panel 16 attached to the back surface of the case 11 in the notch portion 12B. 7 is extended to the exposed portion 16C of the notch 12B where the adhesive 7 extends even when dust or yarn waste 10 or the like mistakenly enters the opening hole 12A of the holding portion 12 during use. Since these are attached and do not move in the opening hole every time they are carried or operated, the display device 3 having good visibility without obstructing the visual recognition of the display element 3 through the fluoroscopic part 16A of the panel 16 and A remote control transmitter using this can be obtained.

  As shown in FIGS. 1 and 2, the holding portion 12 of the case 11 is provided with an opening window 12C leading to the opening hole 12A, and when repairing the remote control transmitter, by blowing air into the opening window 12C, While the display element 3 is mounted on the holding part 12, dust, lint 10 or the like can be removed or attached to the exposed part 16C of the notch part 12B.

  The display device according to the present invention can provide a display device with good visibility, and is useful for a remote control transmitter used for remote control of various electronic devices such as a television, a video, and an air conditioner.

Sectional drawing of the display apparatus and remote control transmitter by one embodiment of this invention Exploded perspective view Cross-sectional view of a conventional remote control transmitter Exploded perspective view

Explanation of symbols

DESCRIPTION OF SYMBOLS 3 Display element 3A Electrode 4 Wiring board 4A Conductive part 4B Fixed contact 5 Elastic connection body 7 Adhesive 8 Operation body 8A Movable contact 8B Press part 9 Control circuit 9A Light emitting diode 10 Lint 11 Case 11A Through-hole 12 Holding part 12A Opening hole 12B Notch 12C Open window 16 Panel 16A See-through part 16B Through-hole 16C Exposed part

Claims (2)

A case having a substantially box-shaped holding part having an opening hole on the bottom surface, a display element attached to the holding part of the case, and a panel attached to the back surface of the case. A display device in which a notch is provided and an adhesive applied to the panel is extended to the notch. A wiring board connected to the display element and formed with a plurality of switch contacts is mounted on the case of the display device according to claim 1, and a remote control signal is transmitted to the wiring board according to the electrical contact / separation of the switch contacts. Remote control transmitter with a control circuit to perform.

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