JP2009171519A - Thin display device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a thin display device capable of reducing transportation costs by further reducing a packaging size when removing a stand from a case for packaging. <P>SOLUTION: A thin display device (liquid crystal television set 10) includes a case 12, housing therein a liquid crystal module 11, consisting of a front cabinet 12a and a rear cabinet 12b. The thin display device further includes: a circuit mount substrate 14 which is provided eccentrically to the left side when watched from a back side of the case 12, so as to be housed in the case 12 while being disposed to provide a predetermined space 15 on the right side when watched from the back side of the case 12; a stand 13, for supporting the case 12, removably mounted onto the case 12 via a support post part 13b protruding perpendicularly from a base part 13a; and a recess 16 provided at a position, corresponding to the predetermined space 15, in the rear cabinet 12b so as to insert partially the support post part 13b of the stand 13 removed from the case 12 in packaging. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a thin display device including a housing that houses a thin display panel and a stand that supports the housing.

2. Description of the Related Art A thin display device including a casing that stores a thin display panel and a stand that supports the casing is well known. FIG. 7 is a perspective view illustrating a conventional liquid crystal television device which is an example of a thin display device.
In FIG. 7, the liquid crystal television apparatus 1 includes a housing 5 that includes a front cabinet 2 and a rear cabinet 3 and houses a liquid crystal panel 4, and a column portion 7 that protrudes vertically from a base portion 6. And a stand 8 attached to the body 5 and supporting the casing 5. In the liquid crystal television device 1 configured as described above, the length in the front-rear direction of the stand 8 (base portion 6) is set in the thickness direction (front-rear direction) of the housing 5 in consideration of, for example, a countermeasure for a fall test in the installed state. It is designed to be about 2 to 3 times the net length.
Then, when the liquid crystal television apparatus 1 is transported and packed as an integrated unit with the stand 8 attached to the housing 5, it is necessary to have a corresponding thickness to cover only the outer shape of the stand 8, There was a possibility that a lot of useless space would increase the packing size.

For example, Patent Document 1 discloses a thin display device that can reduce a packing space by separating a stand at the time of packing in response to an increase in packing size as described above.
Further, Patent Document 2 discloses an electronic device with a stand that can reduce the packing size and increase the transportation efficiency by packing only the stand separately when transporting a plasma television or a liquid crystal television.
Patent Document 3 discloses a thin display device that can be bent at the time of factory shipment to reduce the packing volume and reduce the transportation cost.
Patent Document 4 discloses a display device in which a stand is detachable, and Patent Document 5 discloses a liquid crystal television in which the stand is detachable.
JP 2007-192920 A JP 2007-74569 A JP 2005-140807 A JP 2006-91713 A Utility Model Registration No. 3116087

  However, the packing size can be reduced in the thickness direction by packing the stand separately from the case as compared with packing as an integrated type, but a packing space for disposing the stand is required or separate packing Therefore, further downsizing of the packaging size is desired.

  The present invention has been made in view of the above problems, and the object is to realize further downsizing of the packing size when the stand is detached from the casing and packed to reduce the transportation cost. An object of the present invention is to provide a thin display device capable of achieving the above.

  In order to achieve the above object, a first aspect of the present invention provides a thin display device comprising a front cabinet and a rear cabinet and including a housing for storing a thin display panel. Removably attached to the housing via a circuit mounting board that is arranged to provide a predetermined space in any one of the directions and is housed in the housing, and a support column that protrudes vertically from the base portion. The stand is provided at a position corresponding to the predetermined space in the rear cabinet so that a part of the stand supporting the casing and a part of the column of the stand removed from the casing at the time of packing can be inserted. A recess is provided.

  In the thin display device of the present invention configured as described above, the stand is removed from the housing at the time of packing, and a part of the column portion of the removed stand corresponds to the predetermined space in the rear cabinet. Since it is inserted into the recessed portion provided at the position, even if the stand is separated from the housing, the packing size is further reduced compared to the conventional removable packing that requires a packing space for arranging the separated stand. The

  Preferably, the recess is provided in a recess in which the external terminal is disposed.

  Preferably, at the time of packing, the casing is held by two rectangular foam-like foam members each having a recess for inserting the casing on one surface facing each other on both ends in the longitudinal direction of the recess. And the stand is provided in the recesses provided on the other surface of the two foamed polystyrene members on the same side perpendicular to the one surface provided with the recess for inserting the housing, and the base along the longitudinal direction of the support column. It is good also as a structure mounted in this polystyrene member, without contacting the said housing | casing by inserting the both ends side of a part. With this configuration, it is possible to pack the casing and the stand within a packing size that is approximately the same as the packing size originally required for packing only the casing.

  Preferably, the predetermined space is provided on the other side in the width direction of the casing by providing the circuit mounting board so as to be closer to one side in the width direction of the casing. The recess is provided in a recess in which an external terminal is disposed so that the longitudinal direction is parallel to the height direction of the casing. At the time of packing, the casing is disposed at both ends in the height direction. The two sides of the foamed polystyrene member each having a recess for inserting the housing on one surface facing each other, and the stand is provided with a recess for inserting the housing in the two foamed polystyrene members. The both ends of the base portion along the longitudinal direction of the support column are inserted into the recesses respectively provided on the other side of the same side orthogonal to the base, and placed on the foamed polystyrene member without contacting the housing. In the packed state That the length of the thickness direction of the housing, including the stand may be shorter configuration than the length in the thickness direction of the casing, including the foam member in the case of packing only the housing. With this configuration, it is possible to pack the casing and the stand within a packing size that is approximately the same as the packing size originally required for packing only the casing.

  As described above, according to the first aspect of the present invention, when the stand is detached from the housing and packed, the packaging size can be further reduced as compared with the conventional removable packing, and A thin display device capable of reducing the cost is provided.

  Further, according to the present invention, the recess is provided in the recess in which the external terminal is disposed, so that the recess is provided with a simple configuration.

  In addition, according to the present invention, the casing and the stand can be packed within a packing size that is approximately the same as the packing size originally required for packing only the casing. It increases about 70% compared to packing as a body shape. In addition, the number of containers is increased by about 1.5 times compared with the conventional removable packing. In addition, since the stand is placed on the foamed polystyrene member without contacting the casing at the time of packing, damage due to the contact between the casing and the stand can be avoided during transportation.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.
(1) Schematic configuration of thin display device (2) Packing method of thin display device (3) Modification (4) Summary

(1) Schematic Configuration of Thin Display Device Hereinafter, a schematic configuration of a liquid crystal television device 10 as a thin display device to which the present invention is applied will be described with reference to FIGS. 1, 2, and 3. FIG. 1 is a perspective view of the liquid crystal television device 10 from the back side, FIG. 2 is an exploded perspective view of the liquid crystal television device 10, and FIG. 3 is a block configuration diagram of the liquid crystal television device 10.
In the present embodiment, a liquid crystal television device is exemplified as a thin display device to which the present invention is applied. However, the present invention is not limited to this embodiment. Various modifications can be made without departing from the gist of the present invention if it is a thin television device such as a television or an organic EL television, or a thin display such as a liquid crystal display or a plasma display that does not have a television function.

  1, 2, and 3, the liquid crystal television device 10 is mainly composed of a liquid crystal module 11, a casing 12, and a stand 13, and includes a tuner 21, a front end 22, a decoder 23, and an OSD circuit 24. An audio output unit 25, an image display unit 26, a remote control receiving unit 27, a microcomputer 28, a power supply circuit 29, an external input terminal 30, an external input signal processing unit 31, a switch circuit 32, and an antenna terminal. 33.

  The liquid crystal module 11 accommodates the liquid crystal panel 26b, and has a thin structure in which the back surface opposite to the display surface of the liquid crystal panel 26b and the upper, lower, left, and right side surfaces are covered with sheet metal. A circuit mounting board 14 on which circuits such as the power supply circuit 29 are mounted is fixed to the back surface of the liquid crystal module 11.

  The housing 12 includes a front cabinet 12a and a rear cabinet 12b. The front cabinet 12a has an opening for displaying an image on the front surface. After the liquid crystal module 11 is screwed to the front cabinet 12a, the rear cabinet 12b is assembled to the front cabinet 12a. The components of the liquid crystal television device 10 excluding 13 are accommodated.

  The tuner 21 is connected to the antenna 34 via an antenna terminal 33 that is one of the external terminals, for example, and 1 out of the television broadcast signals received by the antenna 34 in accordance with a control signal input from the microcomputer 28. Television broadcast signals corresponding to one channel (for example, a channel selected by the user) are acquired and output to the front end 22.

  The front end 22 converts the television broadcast signal output from the tuner 21 into an intermediate frequency signal according to a control signal input from the microcomputer 28, for example, and outputs the intermediate frequency signal to the decoder 23.

  The decoder 23 performs a process according to a predetermined file format (for example, a well-known MPEG-2 format) on the intermediate frequency signal output from the front end 22 according to a control signal input from the microcomputer 28, for example. Thus, the intermediate frequency signal is separated into an audio signal and a video signal and decoded. Then, the decoded audio signal is output to the audio output unit 25 via the switch circuit 32 and the video signal is output to the image display unit 26.

  The external input terminal 30 is one of external terminals for inputting, for example, an analog video signal and an analog audio signal output from the external device 35. Terminals for inputting analog video signals are, for example, composite terminals, S terminals, component terminals, and the like. The external device 35 is, for example, a DVD player or a video tape player that can output a composite video signal, an S video signal, and a component video signal.

  The external input signal processing unit 31 performs predetermined processing on the analog video signal and analog audio signal output from the external device 35 and converts them into digital signals. Then, the converted audio signal is output to the audio output unit 25 via the switch circuit 32 and the video signal is output to the image display unit 26.

  For example, according to a control signal from the microcomputer 28, the switch circuit 32 sends the audio signal and video signal from the decoder 23 or the audio signal and video signal from the external input signal processing unit 31 to the audio output unit 25 and the image display unit 26, respectively. Output.

  The OSD circuit 24 outputs, from the switch circuit 32 to the image display unit 26, an OSD display signal for causing the image display unit 26 to perform a predetermined OSD display (on-screen display display) in accordance with, for example, a control signal input from the microcomputer 28. Is synthesized with the video signal to be recorded.

  The audio output unit 25 includes, for example, an audio output amplifier IC (D-AMP) 25a, a speaker 25b, and the like, and performs predetermined processing such as power amplification on the audio signal input from the switch circuit 32 by the audio output amplifier IC 25a. The sound corresponding to the sound data based on the sound signal is output from the speaker 25b.

  The image display unit 26 includes, for example, a panel drive circuit 26a, a liquid crystal panel 26b, and the like. An image corresponding to image data based on the video signal output from the switch circuit 32, or an image output from the switch circuit 32 and output from the OSD circuit 24. An image corresponding to the image data based on the video signal combined with the OSD display signal is displayed.

The remote control receiving unit 27 receives, for example, various infrared signals (control commands) transmitted from the remote control 36 and outputs various data based on these various signals to the microcomputer 28.
The remote controller 36 is operated by a user, for example, and transmits an infrared signal corresponding to the operation to the remote control receiver 27.

The microcomputer 28 includes, for example, a CPU 28a, a RAM 28b, a ROM 28c, and the like, and controls the operation of the liquid crystal television device 10. For example, the microcomputer 28 controls channel switching, volume up / down, and the like based on the control command received by the remote control receiver 27.
The CPU 28a performs various control operations in accordance with various processing programs for the liquid crystal television device 10 stored in the ROM 28c.
The RAM 28b includes a program storage area for expanding a processing program executed by the CPU 28a, a data storage area for storing input data, a processing result generated when the processing program is executed, and the like.
The ROM 28c is a system program that can be executed by the liquid crystal television device 10, various processing programs that can be executed by the system program, data that is used when these various processing programs are executed, and various results that are arithmetically processed by the CPU 28a. Memorize etc. The program is stored in the ROM 28c in the form of a program code that can be read by a computer.

  The power supply circuit 29 is, for example, a partial resonance power supply circuit, converts commercial AC power into a plurality of types of predetermined voltages, and outputs an operating power supply voltage to each part of the liquid crystal television device 10.

  Here, in the liquid crystal television device 10 of the present embodiment, the rear cabinet 12b, the stand 13, and the circuit mounting board 14 are configured so that the packing size at the time of packing is further reduced.

Specifically, the stand 13 is detachably attached to the housing 12 via a support column 13b protruding in the vertical direction from the base portion 13a. For example, the stand 13 is attached to the housing 12 by a well-known method such as screwing or insertion.
The circuit mounting board 14 is accommodated in the housing 12 while being arranged so as to provide a predetermined space 15 in any one of four directions on the back side of the liquid crystal module 11. For example, the predetermined space 15 is provided so that the circuit mounting board 14 is located on one side in the width direction of the casing 12 (left side when viewed from the back side in the present embodiment). It is provided on the other side in the width direction (right side when viewed from the back side in this embodiment).
A recess 16 is provided at a position corresponding to the predetermined space 15 in the rear cabinet 12b so that a part of the column 13b of the stand 13 removed from the housing 12 during packing can be inserted. For example, the recess 16 has a longitudinal direction parallel to the height direction (vertical direction) of the housing 12, that is, when the column part 13b is partially inserted, the longitudinal direction of the column part 13b is The external terminal 17 such as the external input terminal 30 or the antenna terminal 33 is provided in a recess where the external input terminal 30 and the antenna terminal 33 are disposed so as to be parallel to the height direction of the body 12. As a result, the stand 13 is removed from the housing 12 at the time of packing, and a part of the support column 13b of the removed stand 13 is inserted into the recess 16 provided at a position corresponding to the predetermined space 15 in the rear cabinet 12b. Therefore, even if the stand 13 is separated from the housing 12, the packing size is further reduced as compared with the conventional detachable packing which requires a packing space for arranging the separated stand 13.

(2) Packing Method for Thin Display Device FIG. 4 is a diagram showing the relative positions of the housing 12 and the stand 13 during packing, (a) is a schematic view seen from the back side, (b) It is the schematic of the AA cross section in (a). FIG. 5 is a schematic view showing a state immediately before being stored in a packing box.
4 and 5, at the time of packing, the housing 12 is disposed on one surface 40a facing each other on both ends in the longitudinal direction of the recess 16 (both ends in the height direction of the housing 12 in this embodiment). It is held by two (a pair of) foamed polystyrene members 40 having a rectangular parallelepiped shape provided with a recess 40b for inserting the. Similarly, at the time of packing, the stand 13 has the column portions 13b in the recesses 40d respectively provided on the other surface 40c on the same side orthogonal to the one surface 40a provided with the recesses for inserting the housing 12 in the two foamed polystyrene members 40. By inserting both end sides 13 a 1 and 2 of the base portion 13 a along the longitudinal direction, the base portion 13 a is placed on the foamed polystyrene member 40 without contacting the housing 12.
The shape of the recess 40d is formed substantially equal to the shape of both end sides 13a1, 2 of the base portion 13a. Thereby, the stand 13 is stably held without shaking by the foamed polystyrene member 40, and the contact with the housing 12 during transportation is avoided.
The length in the thickness direction of the casing 12 including the stand 13 in the packed state is preferably shorter than the length in the thickness direction of the casing 12 including the foamed polystyrene member 40 when only the casing 12 is packed. . Therefore, the length of the column portion 13b protruding from the base portion 13a in the stand 13 is designed to be so. As a result, the casing 12 and the stand 13 can be packed within a packing size that is approximately the same as the packing size originally required for packing only the casing 12.

(3) Modifications Various modifications can be made to the position where the recess 16 is provided depending on the size and shape of the circuit mounting board 14 and the position where the external terminal 17 is provided. FIG. 6 is a schematic diagram showing a modification of the position where the recess 16 is provided.
FIG. 6A shows a case where the AV input / output terminal such as the external input terminal 30 is provided in a recess different from the recess 16, and the antenna input / output terminal such as the antenna terminal 33 is provided in the recess 16. FIG. That is, in this modification, the recess 16 is provided in a recess in which the antenna input / output terminal is disposed.
FIG. 6B is a schematic diagram showing a case where the recess 16 is provided on the left side when viewed from the back side of the housing 12 (rear cabinet 12b). That is, in this modified example, the circuit mounting board 14 is provided so as to be closer to the right side when viewed from the back side of the casing 12, so that the predetermined space 15 is provided on the left side when viewed from the rear side of the casing 12, A recess 16 is provided at the position of the rear cabinet 12 b corresponding to the predetermined space 15.
FIG. 6C is a schematic view showing a case where the recess 16 is provided on the lower side of the housing 12 (rear cabinet 12b). In other words, in this modified example, the circuit mounting board 14 is provided so as to be closer to the upper side of the casing 12, whereby the predetermined space 15 is provided on the lower side of the casing 12, and the rear cabinet corresponding to the predetermined space 15 is provided. A recess 16 is provided at a position 12b. The concave portion 16 has a longitudinal direction parallel to the width direction (left-right direction) of the housing 12, that is, when the column portion 13 b is partially inserted, the longitudinal direction of the column portion 13 b is that of the housing 12. It is provided in a recess where the external terminals 17 such as the external input terminal 30 and the antenna terminal 33 are disposed so as to be parallel to the width direction.
Needless to say, the expanded polystyrene member 40 is formed corresponding to the position where the recess 16 is provided.

(4) Summary As described above, according to the present embodiment, when the stand 13 is detached from the housing 12 and packed, the packaging size can be further reduced as compared with the conventional removable packing, Transportation costs can be reduced.

  In addition, according to the present embodiment, since the recess 16 is provided in the recess in which the external terminal 17 is disposed, the recess 16 is provided with a simple configuration.

  Further, according to the present embodiment, the casing 12 and the stand 13 can be packed within a packing size that is substantially the same as the packing size originally required for packing only the casing 12, so that, for example, a container The number of entrances increases by about 70% compared to packing as an integrated type. In addition, the number of containers is increased by about 1.5 times compared with the conventional removable packing. Further, since the stand 13 is placed on the foamed polystyrene member 40 without contacting the housing 12 during packing, damage due to contact between the housing 12 and the stand 13 during transportation can be avoided.

  As mentioned above, although the Example of this invention was described in detail based on drawing, what was mentioned above is one embodiment to the last, and this invention is implemented in the aspect which added various change and improvement based on the knowledge of those skilled in the art. can do.

It is a perspective view from the back side which illustrates a liquid crystal television device which is an example of a thin display device to which the present invention is applied. It is an example of the disassembled perspective view of a liquid crystal television apparatus. It is a block diagram which illustrates the composition of a liquid crystal television device. It is a figure which illustrates the relative position of the housing | casing and a stand at the time of packing, Comprising: (a) is the schematic seen from the back side, (b) is the schematic of the AA cross section in (a). . It is the schematic which illustrates the state just before accommodating in the box for packing. It is the schematic which shows the modification of the position which provides a recessed part. It is a perspective view which illustrates the conventional liquid crystal television apparatus which is an example of a thin display apparatus.

Explanation of symbols

10: Liquid crystal television device (thin display device)
12: Housing 12a: Front cabinet 12b: Rear cabinet 13: Stand 13a: Base part 13a1, 2: Both ends 13b of the base part: Supporting part 14: Circuit mounting board 15: Predetermined space 16: Recess 17: External terminal 26b : LCD panel (thin display panel)
40: Styrofoam member 40a: One surface 40b facing each other: A recess 40c for inserting the housing 40c: The other surface 40d on the same side orthogonal to the one surface: A recess provided on each other surface

Claims (4)

In a thin display device comprising a front cabinet and a rear cabinet and having a housing for storing a thin display panel,
A circuit mounting board housed in the housing while being arranged to provide a predetermined space in any one of four directions on the back side of the thin display panel;
A stand that is detachably attached to the housing via a support column projecting vertically from the base portion and supports the housing;
A recess provided at a position corresponding to the predetermined space in the rear cabinet so that a part of the column of the stand removed from the housing can be inserted when packing. Display device.   The thin display device according to claim 1, wherein the recess is provided in a recess in which an external terminal is disposed. When packing,
The casing is held by two styrene foam members having a rectangular parallelepiped shape provided with recesses for inserting the casing on opposite surfaces on both ends in the longitudinal direction of the recess,
The stand is provided on the base portion along the longitudinal direction of the support column in a recess provided on the other surface on the same side orthogonal to the surface on which the recess is inserted in the two foamed polystyrene members. The thin display device according to claim 1 or 2, wherein both ends are inserted and placed on the foamed polystyrene member without contacting the casing. The predetermined space is provided on the other side in the width direction of the casing by providing the circuit mounting board so as to be closer to one side in the width direction of the casing.
The recess is provided in the recess in which the external terminal is disposed so that the longitudinal direction is parallel to the height direction of the housing.
When packing,
The casing is held by two styrene foam members having a rectangular parallelepiped shape provided with recesses for inserting the casing on opposite surfaces on both ends in the height direction.
The stand is provided on the base portion along the longitudinal direction of the support column in a recess provided on the other surface on the same side orthogonal to the surface on which the recess is inserted in the two foamed polystyrene members. By inserting both end sides, it is placed on the foamed polystyrene member without contacting the casing,
The length in the thickness direction of the casing including the stand in the packed state is shorter than the length in the thickness direction of the casing including the foamed polystyrene member in the case of packing only the casing. The thin display device according to claim 1.

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