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Display and electronic unit

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20140133113 patent thumbnailZoom

Display and electronic unit


A display capable of inhibiting deformation of a component during transport or the like and an electronic unit including the display are provided. A display includes: a main section; and a board-mounting plate disposed on one surface of the main section, and having a board-mounting region on a main surface on a side opposite to a side facing the main section, in which the board-mounting plate includes, at corners at both ends of a side of the mounting region, hook sections allowing corners of a board to be hooked thereto, and the hook sections each are fixed to the main surface on two sides of the corner of the mounting region.


Browse recent Sony Corporation patents - Tokyo, JP
USPTO Applicaton #: #20140133113 - Class: 361759 (USPTO) -


Inventors: Koji Masaki

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The Patent Description & Claims data below is from USPTO Patent Application 20140133113, Display and electronic unit.

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CROSS-REFERENCE TO RELATED APPLICATION

The present application is a continuation of U.S. patent application Ser. No. 13/346,928, filed Jan. 10, 2012, which claims priority from Japanese Patent Application No. JP 2011-010407 filed in the Japanese Patent Office on Jan. 21, 2011, the entire contents of which are incorporated herein by reference.

BACKGROUND

The present technology relates to a display such as a television, and an electronic unit.

A board including a drive circuit is mounted in a display such as a television or an electronic unit. In related art, such a board is fixed by tightening screws at four corners or more, and the cost of screws and working time for tightening screws are necessary. For example, in Japanese Unexamined Patent Application Publication No. 2009-295738, while a mountain-shaped projection is provided in a downward direction on an L-shaped bracket, a metal through-hole is provided at a corner of a board, and the mountain-shaped projection is inserted into the metal through-hole to fix the board without screws.

SUMMARY

However, in Japanese Unexamined Patent Application Publication No. 2009-295738, the strength of the L-shaped bracket is not sufficient, and the L-shaped bracket may be easily deformed and defective during transport or the like.

It is desirable to provide a display capable of inhibiting deformation of a component during transport or the like, and an electronic unit including the display.

According to an embodiment of the technology, there is provided a display including: a main section; and a board-mounting plate disposed on one surface of the main section, and having a board-mounting region on a main surface on a side opposite to a side facing the main section, in which the board-mounting plate includes, at corners at both ends of a side of the mounting region, hook sections allowing corners of a board to be hooked thereto, and the hook sections each are fixed to the main surface on two sides of the corner of the mounting region.

According to an embodiment of the technology, there is provided an electronic unit including: a main section; and a board-mounting plate disposed on one surface of the main section, and having a board-mounting region on a main surface on a side opposite to a side facing the main section, in which the board-mounting plate includes, at corners at both ends of a side of the mounting region, hook sections allowing corners of a board to be hooked thereto, and the hook sections each are fixed to the main surface on two sides of the corner of the mounting region.

In the display according to the embodiment of the technology, or the electronic unit according to the embodiment of the technology, while the board is inclined with respect to the main surface, the corners at both ends of a side of the board are slid into the hook sections. Next, the board is rotated around ends of the hook sections as rotation axes toward the main surface. Thus, the corners of a board are hooked to the hook sections, and the board is positioned in the mounting region.

In the display according to the embodiment of the technology, or the electronic unit according to the embodiment of the technology, the hook sections allowing the corners of a board to be hooked thereto are disposed at corners at both ends of a side of the mounting region, and the hook sections are fixed to the main surface on two sides of the corner of the mounting region; therefore, the strength of the hook sections is enhanced, and deformation of the hook sections during transport or the like is allowed to be inhibited.

It is to be understood that both the foregoing general description and the following detailed description are exemplary, and are intended to provide further explanation of the technology as claimed.

BRIEF DESCRIPTION OF THE DRAWINGS

The accompanying drawings are included to provide a further understanding of the disclosure, and are incorporated in and constitute a part of this specification. The drawings illustrate embodiments and, together with the specification, serve to explain the principles of the technology.

FIG. 1 is a perspective view illustrating an appearance of a display according to an embodiment of the technology.

FIG. 2 is an exploded perspective view of the display illustrated in FIG. 1.

FIG. 3 is an enlarged plan view of one mounting region illustrated in FIG. 2.

FIG. 4 is a plan view illustrating a state where a board is removed from the mounting region illustrated in FIG. 3.

FIG. 5 is a sectional view illustrating a configuration of a hook section in FIG. 3.

FIG. 6 is a sectional view illustrating a configuration taken along a line VI-VI of FIG. 3.

FIG. 7 is a perspective view illustrating a method of mounting a board on the mounting region illustrated in FIG. 2 in order of steps.

FIG. 8 is a sectional view for describing a function of a guide projection illustrated in FIG. 5.

FIG. 9 is a perspective view illustrating a step following FIG. 7.

FIG. 10 is a perspective view illustrating a step following FIG. 9.

FIG. 11 is a sectional view taken along a line XI-XI of FIG. 10.

FIGS. 12A and 12B are perspective views illustrating an appearance of Application Example 1 when viewed from a front side and a back side thereof, respectively.

FIG. 13 is a perspective view illustrating an appearance of Application Example 2.

FIG. 14 is a perspective view illustrating an appearance of Application Example 3.

FIGS. 15A to 15G illustrate Application Example 4, where FIGS. 15A and 15B are a front view and a side view in a state in which Application Example 4 is opened, respectively, and FIGS. 15C, 15D, 15E, 15F and 15G are a front view, a left side view, a right side view, a top view, and a bottom view in a state in which Application Example 4 is closed, respectively.

DETAILED DESCRIPTION

OF THE PREFERRED EMBODIMENTS

A preferred embodiment of the technology will be described in detail below referring to the accompanying drawings.

FIG. 1 illustrates an appearance of a display (a television) according to an embodiment of the technology, and FIG. 2 illustrates an exploded view of the display. A display 1 has, for example, a configuration in which a display section 10 is supported by a stand 11. A frame-shaped exterior member (a so-called bezel) is disposed on a front surface of the display section 10. A board-mounting plate 20 for mounting a board 30 with a drive circuit is disposed on a rear surface of the display section 10. The whole rear surface of the display section 10 and the whole board-mounting plate 20 are covered with a rear cover 13. It is to be noted that the display section 10 corresponds to a specific example of “a main section” in the technology.

The display section 10 includes, for example, a backlight unit (not illustrated) on a rear surface of a liquid crystal panel (not illustrated).

The board-mounting plate 20 is configured of, for example, a metal plate made of aluminum (Al), iron (Fe), or the like. It is to be noted that the board-mounting plate 20 may be provided separately from the display section 10, or may also serve as an enclosure (a so-called back chassis) of the backlight unit (not illustrated) of the display section 10.

A mounting region 40 for the board 30 is disposed in a main surface 20A, on a side opposite to a side facing the display section 10, of the board-mounting plate 20. The mounting region 40 is appropriately provided according to the number of boards 30 mounted on the board-mounting plate 20, the dimensions and shape of each board 30.

FIG. 3 illustrates an enlarged view of one mounting region 40 illustrated in FIG. 2. FIG. 4 illustrates a state where the board 30 is removed from the mounting region 40 illustrated in FIG. 3. It is to be noted that in FIGS. 3 to 11, and later drawings, a horizontal direction, a vertical direction, and a direction orthogonal to the main surface 20A (a height direction) are represented by x, y, and z, respectively.

The board 30 is configured of, for example, a printed circuit board, and has a horizontally-oriented rectangular shape with four corners 30A, 30B, 30C, and 30D, and four sides 30AB, 30BC, 30CD, and 30AD. A chip 31 is mounted on the board 30.

The mounting region 40 has a horizontally-oriented rectangular shape with four corners 40A, 40B, 40C, and 40D and four sides 40AB, 40BC, 40CD, and 40AD. It is to be noted that to reduce differences in surface height in the case where the board 30 is mounted on the mounting region 40, the mounting region 40 is a recessed section which is lower in height than a peripheral region of the main surface 20A.

Hook sections 41A and 41D are disposed at both of the corners 40A and 40D on the side 40AD of the mounting region 40. Base sections 42A and 42D are disposed in proximity to the hook sections 41A and 41D, respectively. A first upstanding section 43A and a second upstanding section 43B are disposed between the hook sections 41A and 41D on the side 40AD. On the other hand, screw holes 44B and 44C are disposed on the side 40BC facing the side 40AD. It is to be noted that to prevent deformation during transport, differences in surface height between the hook sections 41A and 41D, the first upstanding section 43A and the second upstanding section 43B, and four surrounding sides 40AB, 40BC, 40CD, and 40AD are preferably as small as possible.

The hook sections 41A and 41D allow the corners 30A and 30D of the board 30 to be hooked thereto, and are rectangular bump sections formed by embossing on the board-mounting plate 20. The hook section 41A is fixed to the main surface 20A on two sides 40AB and 40AD of the corner 40A of the mounting region 40. The hook section 41D is fixed to the main surface 20A on two sides 40AD and 40CD of the corner 40D of the mounting region 40. Therefore, in the display, deformation of the hook sections 41A and 41D during transport or the like is allowed to be inhibited.

The hook sections 41A and 41D are preferably provided on the long side 40AD of the mounting region 40, because when the board 30 is mounted, rotation on an xy plane of the board 30 is allowed to be inhibited.

The base sections 42A and 42D abut against rear surfaces of the corners 30A and 30D of the board 30, respectively, and confine a z-direction position of the board 30 with the hook sections 41A and 41D. The base sections 42A and 42D are truncated-cone-shaped bump sections formed by embossing on the board-mounting plate 20.

The first upstanding section 43A and the second upstanding section 43B confine a y-direction position of the board 30, and controls rotation on the xy plane of the board 30, and are disposed on a side with the hook sections 41A and 41D disposed thereon of the mounting region 40, and are orthogonal to the main surface 20A, and abut against a side surface on the side 30AD of the board 30. The first upstanding section 43A and the second upstanding section 43B are formed by a cutting-bending process on the board-mounting plate 20.

The second upstanding section 43B is disposed on a more inner side than the first upstanding section 43A. In other words, the second upstanding section 43B is disposed in a position shifted from the first upstanding section 43A in a direction toward the side 40BC facing the side 40AD with the hook sections 41A and 41D disposed thereon of the mounting region 40. On the other hand, the board 30 includes, on the side 30AD, a notch 33B allowing the second upstanding section 43B to be inserted thereinto. Therefore, an x-direction position of the board 30 is allowed to be confined.

The screw holes 44B and 44C fix the corners 30B and 30C of the board 30 by screws 60, and are disposed on the side 40BC facing the side 40AD with the hook sections 41A and 41D disposed thereon of the mounting region 40. The screw holes 44B and 44C are preferably disposed on top surfaces of bump sections 45B and 45C disposed at the corners 40B and 40C of the mounting region 40, respectively, to prevent the screws 60 from causing damage to the display section 10. The bump sections 45B and 45C are formed by embossing on the board-mounting plate 20. Dowels 46B and 46C for positioning of the board 30 may be disposed on the top surfaces of the bump sections 45B and 45C.

FIG. 5 illustrates a sectional configuration of the hook section 41A. Two sides 40AB and 40AD of the hook section 41A are closed by a side wall section 47 fixed to the main surface 20A as described above. Thus, the hook section 41A is fixed to the main surface 20A on the two sides 40AB and 40AD; therefore, compared to an L-shaped bracket in related art, mechanical strength is enhanced, and defective components caused by deformation during transport or the like are reduced. On the other hand, the other two sides of the hook section 41A are open ends, and the corner 30A of the board 30 is allowed to be contained in a gap G between the hook section 41A and the main surface 20A. It is to be noted that the hook section 41D has the same configuration as that of the hook section 41A.

A guide projection 48A projected toward a side opposite to the main surface 20A is disposed at an end of the hook section 41A. When the guide projection 48A is provided, the corner 30A of the board 30 is allowed to be guided to the hook section 41A, and workability is allowed to be improved. It is to be noted that as in the case of the hook section 41A, a guide projection 48D (not illustrated) is disposed at an end of the hook section 41D.

Moreover, the hook section 41A includes a projected section 49A on a surface facing the main surface 20A, and the projected section 49A abuts against a surface of the corner 30A of the board 30. A recessed section 39A (not illustrated in FIG. 5, refer to FIG. 11) allowing the projected section 49A to be inserted thereinto is disposed on the surface of the corner 30A of the board 30. Therefore, positioning of the board 30 is performed more easily. It is to be noted that as in the case of the hook section 41A, the hook section 41D includes a projected section 49D (not illustrated).

FIG. 6 illustrates a sectional configuration taken along a line VI-VI of FIG. 3. A heat dissipation pad (thermal pad) 50 is disposed between the main surface 20A of the board-mounting plate 20 and the rear surface of the board 30. The heat dissipation pad 50 is disposed directly below the chip 31 mounted on the board 30, and releases heat generated in the chip 31 to the board-mounting plate 20. The heat dissipation pad 50 is made of a material with electrical insulation and high thermal conductivity, for example, a urethane-based material. It is to be noted that instead of the heat dissipation pad 50, a heat dissipation sheet may be provided.



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stats Patent Info
Application #
US 20140133113 A1
Publish Date
05/15/2014
Document #
14161190
File Date
01/22/2014
USPTO Class
361759
Other USPTO Classes
International Class
05K7/12
Drawings
14




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