JP2001265247A - Display panel setting member and display panel setting method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a display panel setting member and a display panel setting method which are free from causing distortion in a display panel even when a substrate constituting the display panel is deformed by heat and variation by aging. SOLUTION: Conventionally, an LCD spacer 83 is locked to the substrate 82 by a plurality of setting members 85 formed to a peripheral part. When the substrate 82 is deformed, any one of fixed claws 84 is used as a supporting point, the LCD spacer 83 is deformed, and, furthermore, an LCD 41 is deformed. So, the setting members 45 serving as the locking point of the substrate 42 and the LCD spacer 43 are provided only in the two central places and the interval is set to about 20 mm or less. Then, about two pin members are provided in the peripheral part. The pin member only abuts to the substrate 42, has a structure which is not locked, and prevents the LCD spacer 43 from inclining.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an installation member for installing a display panel in an apparatus having a display unit such as an image forming apparatus, and a method for installing the display panel.

[0002]

2. Description of the Related Art Conventionally, operation sections of an image forming apparatus such as a copying machine, a printer, a facsimile, a scanner, and the like are provided with image forming conditions input from the operation section and progress of image forming processing.
A display panel is provided for presenting a result or the like to a user. In recent years, as such a display panel, a liquid crystal display (Liquid Cry
stal Display—hereinafter referred to as LCD. ) Is often used.

FIG. 6 is a perspective view showing the appearance of a copying machine as an image forming apparatus. As shown in FIG. 6, the copying machine 1
The image forming apparatus includes a scanner unit 2, an image forming unit 3, and a paper supply / discharge unit 4. Also, an operation unit 37 is provided on the upper surface on the front side of the scanner unit 2.
Is provided. The operation unit 37 includes an input unit 39 for receiving an input instruction from a user, and a display panel unit 38 for displaying image forming conditions, copy process progress / results, and the like input from the operation unit 37.

The display panel section 38 has a function as an interface between the copying machine 1 and a user. The display panel section 38 is configured to fix the LCD unit 80 at a predetermined position from the inside of the frame of the image forming apparatus.

FIG. 7 is a developed view showing an example of the configuration of a conventional LCD unit 80. FIG. 8A shows LC
FIG. 3B is a side perspective view of the LCD unit 80 showing a state where the substrate is deformed, and FIG. 3C is a perspective view showing a spot of the LCD where bleeding occurs. is there. FIG. 9 is a perspective view showing a state where the substrate in the LCD unit 80 is deformed.

L using an LCD 41 as a display panel
The CD unit 80 has the following configuration. That is,
An adhesive 47 such as a double-sided tape is attached between the back surface of the LCD 41 and the front surface 83a of the LCD spacer 83 as a display panel installation member.
To be fixed. Then, an LCD spacer 83 is locked to a dedicated board 82 on which electronic components (not shown) such as an LCD driver are mounted.

The LCD spacer 83 includes a mounting member 85 which is a locking member for locking itself to the substrate 82,
Usually, about 3 to 8 spacers are provided at the periphery of the spacer 83. The LCD spacer 83 shown in FIG. 7 includes three installation members 85a to 85c. Installation member 85a
85c are L at the periphery of the LCD spacer 83.
In a direction perpendicular to the surface 83a of the CD spacer 83 and L
The extension piece extends in a direction opposite to the surface 83a of the CD spacer 83. Further, fixing claws 84a to 84c for locking the LCD spacer 83 to the substrate are provided at the distal ends of the installation members 85a to 85c. Further, the fixed claw 84
Notches 88a to 88c are provided at the base sides of the fixing claws 84a to 84c.
84c can be easily bent in the direction perpendicular to the installation members 85a to 85c.

The substrate 82 has insertion holes 82a to 82c at positions where the tips of the installation members 85a to 85c provided on the LCD spacer 83 face each other.

When fixing the LCD spacer 83 to the substrate 82, the mounting members 8 are inserted into the insertion holes 82a to 82c of the substrate 82.
5a to 85c are inserted respectively. Here, the installation member 8
5 is a T-shape, and when the installation members 85a to 85c are inserted into the insertion holes 82a to 82c,
A predetermined gap is formed between the spacer and the D spacer 83.

The installation members 85a to 85c are inserted into the insertion holes 82a to 82c.
After being inserted into 82c, fixed claws 84a to 84c are bent at a predetermined angle. Thus, the LCD spacer 83 and the LCD 41 can be firmly locked to the substrate 82 with a predetermined gap between the LCD spacer 83 and the substrate 82.

[0011]

In an image forming apparatus, L
The substrate 82 may be deformed to be convex with respect to the surface on which the LCD spacer 83 is mounted due to heat generation or changes over time from the CD unit 80 or the inside of the apparatus. In this case, as shown in FIGS. 8 and 9, in the LCD unit 80 attached to the image forming apparatus, when the substrate 82 is deformed,
The distance between the locking points, which is the distance between 4a to 84c, changes. Therefore, the deformation is transmitted to the LCD spacer 83 via the installation member 85. Further, the LCD 41 is distorted.

In the LCD 41, even if it is slightly distorted, bleeding occurs in the display area. Therefore, as shown in FIG. 8C, a blurred portion is generated at the center of the display section of the LCD 41 due to the distortion as described above.

As described above, in the conventional image forming apparatus, there is a problem that the display quality of the LCD 41 deteriorates due to the deformation of the substrate 82.

The present invention has been made to solve the above problems. An object of the present invention is to provide a display panel installation member and a display panel installation method that do not cause distortion in the display panel even when a substrate forming the display panel is deformed due to heat or aging.

[0015]

The present invention has the following arrangement as means for solving the above-mentioned problems.

(1) A display panel installation member provided with a locking member for mounting a display panel on a substrate, wherein the locking member is provided at a substantially central portion in the longitudinal direction.

In this configuration, in order to install the display panel on the substrate, a locking member is provided at a substantially central portion in the longitudinal direction of the display panel installation member. Therefore, conventionally, three or more locking members are provided on each peripheral portion of the display panel mounting member, and the display panel mounting member and the display panel are fixed to the substrate by these locking members. As a result, the distance between the locking points, which is the distance between the locking members, greatly fluctuates, particularly in the longitudinal direction of the display panel installation member, so that the display panel installation member and the display panel are distorted. However, since the locking member is provided in the vicinity of the central portion in the longitudinal direction, even if the distance between the locking points fluctuates due to deformation of the substrate, the display panel installation member and the display panel are not distorted in the longitudinal direction. In addition, it is possible to suppress the display quality of the display panel from deteriorating.

(2) A plurality of locking members are provided at intervals equal to or less than the length of the display panel in the lateral direction.

In this configuration, the plurality of locking members are spaced apart from each other by a distance equal to or less than the length of the display panel in the lateral direction.
It is provided on the display panel installation member. Therefore, since the distance between the locking points is set to be small in advance, even if the substrate is deformed, the amount of change in the distance between the locking points is small, so that the deformation of the substrate is transmitted to the display panel and the display panel is distorted. To keep them from doing so.

(3) The present invention is characterized in that two locking members are provided.

In this configuration, two locking members are provided substantially at the center of the display panel installation member. Therefore, in order not to transmit the deformation of the substrate to the display panel,
It is preferable to set the number of locking members provided on the display panel installation member as small as possible. Since the display panel installation member and the substrate are connected by the two locking members, a display when the substrate is deformed is provided. The effect on the panel can be reduced.

(4) The present invention is characterized in that one of the locking members is provided.

In this configuration, one locking member is provided substantially at the center of the display panel installation member. Therefore, even if the substrate is deformed, there is no distance between the locking points, which changes, so that no distortion occurs in the display panel installation member and the display panel.

(5) A foot for preventing the display panel from tilting is provided near an end in the longitudinal direction.

In this configuration, a foot member for preventing the display panel from inclining is provided near the longitudinal end of the display panel installation member. Therefore,
If the locking member is provided only at the approximate center of the display panel installation member, the display panel installation member may rattle and tilt on the substrate. It is possible to suppress rattling of the display panel installation member without increasing the number of points.

(6) The foot member has a projection at the tip, and the projection is inserted into an insertion hole provided in the substrate.

In this configuration, the display panel installation member is provided with a projection near the longitudinal end of the display panel installation member at the tip of a foot member provided to prevent the display panel from tilting. This projection is inserted into an insertion hole provided in the substrate to be installed. Therefore, it is possible to suppress rattling of the display panel installation member without increasing the number of locking points, and when the substrate is deformed, the locking between the substrate and the protruding portion is released, and the display panel is attached to the display panel. No deformation is transmitted.

(7) In the configuration of (5), the foot member is
It can be in contact with the substrate.

In this configuration, a foot member provided near the longitudinal end of the display panel installation member to prevent the display panel from tilting abuts on a substrate on which the display panel installation member is installed. Therefore, it is possible to suppress rattling of the display panel installation member without increasing the number of locking points, and when the substrate is deformed, the substrate is separated from the foot member, and the deformation is transmitted to the display panel. There is no.

(8) In the configuration of (5), the foot member is
It can be an elastic body. In this configuration, the foot member provided near the longitudinal end of the display panel installation member to prevent the display panel from tilting is an elastic body. Therefore, without increasing the number of locking points, it is possible to suppress rattling of the display panel installation member, and when the substrate is deformed, the foot member is deformed, so that the deformation is not transmitted to the display panel, In addition, even if the substrate is deformed, it is possible to suppress rattling of the display panel installation member.

(9) The display panel is a liquid crystal panel.

In this configuration, a liquid crystal panel is used as a display panel. Therefore, in the liquid crystal panel,
Even if it is slightly distorted, display bleeding occurs due to poor contact.However, by installing the liquid crystal panel on the substrate using the display panel installation member of the present invention, the display quality of the liquid crystal panel can be significantly improved. Becomes

(10) In the configuration of (1), the display panel may be installed on an operation unit of the image forming apparatus.

In this configuration, the display panel is installed on the operation unit of the image forming apparatus using the display panel installation member. Therefore, it is possible to suppress the occurrence of distortion in the display panel of the image forming apparatus.

(11) In a display panel installation method for installing a display panel on a substrate, the display panel is fixed to a display panel installation member, and a plurality of members provided at a substantially central portion in a longitudinal direction of the display panel installation member. The display panel mounting member is locked to the substrate together with the display panel by a stop member.

In this configuration, the display panel is fixed to the display panel installation member, and the display panel and the display panel installation member are fixed by a plurality of locking members provided at a substantially central portion in the longitudinal direction of the display panel installation member. Lock to the board.
Therefore, even if the substrate is deformed due to heat or aging change generated from a device for installing the display panel and the distance between the locking points fluctuates, the display panel installation member and the display panel are not distorted in the longitudinal direction. In addition, it is possible to suppress the display quality of the display panel from deteriorating.

[0037]

DESCRIPTION OF THE PREFERRED EMBODIMENTS A display panel installation member according to a first embodiment of the present invention will be described with reference to FIGS.
FIG. 1 is a perspective view showing a configuration of an LCD unit 40 according to the present invention. FIG. 2A shows an LCD according to the present invention.
FIG. 2 is a side perspective view showing a configuration of a unit 40. FIG. 3B shows the LC in the present invention when the substrate 42 is deformed.
FIG. 3 is a side perspective view showing a state of a D unit 40. Also,
FIG. 3A is a cross-sectional view of the LCD unit 40, and FIG. 3B is a side view showing a state of each part when the substrate 42 is deformed. In the LCD unit 40, the same components as those of the conventional configuration shown in FIG. 7 are denoted by the same reference numerals, and detailed description will be omitted.

As shown in FIG. 1, the LCD unit 40
Is an LCD 4 as a display panel as in the conventional configuration.
1. An adhesive 47 such as a double-sided tape, an LCD spacer 43 serving as a display panel installation member, and a dedicated substrate 42. The LCD unit 40 is mounted on the display panel 38 of the copying machine 1 shown in FIG.

In the first embodiment, the configuration of the substrate 42 and the LCD spacer 43 is different from the conventional configuration. That is,
The LCD spacer 43 of the present embodiment is
At the substantially central portion in the longitudinal direction of the LCD 3, the installation members 45 d and 45 e
It has. In the present embodiment, a cut is made in the approximate center of the surface 43a of the LCD
The distance between d and the installation member 45e was about 20 mm.

The shapes of the installation members 45d and 45e are the same as those of the prior art. The installation members 45d and 45e are provided with fixed claws 44d and 44e at the tip end, and the cutouts 48d and 48e are provided at the base side of the installation members of the fixed claws 44d and 44e. . Also, the LCD spacer 4
The foot members 46a and 46b are provided at substantially the center of the two peripheral edges 43b, which are sides in the short side direction of No. 3. The foot members 46a and 46b extend in a direction substantially perpendicular to the surface 43a of the LCD spacer 43, and further include protruding portions 49a and 49b near the distal end thereof. Further, the substrate 42 according to the first embodiment includes an installation member 45d
45e, insertion holes 42d to 42g are provided at positions where the tips of the foot members 46a and 46b face each other.

When fixing the LCD spacer 43 to the substrate 42, the mounting member 4 is inserted into the insertion holes 42d to 42g of the substrate 42.
5d and 45e, and the projections 49a of the foot members 46a and 46b
・ Insert 49b respectively. And the fixed claw 44d
44e is bent at a predetermined angle. With this, LCD
With a predetermined gap between the spacer 43 and the substrate 42,
The LCD spacer and the LCD 41 can be firmly locked to the substrate 42. The installation members 45d and 45e and the foot members 46a and 46b are T-shaped, and when each of the installation members and the foot members is inserted into the insertion holes 42d to 42g, the space between the substrate 42 and the LCD spacer 43 is formed. , A predetermined gap is formed.

As shown in FIG. 2A, the foot members 46a
The projections 49a and 49b of the 46b are inserted into the insertion holes 42 of the substrate 42.
f · 42g, LC on the substrate 42
The rattling of the D spacer 43 is suppressed, and the inclination of the LCD spacer 43 can be prevented without increasing the number of locking points with the substrate 42.

Further, it is assumed that the number of the installation members 45 is only two,
Further, by setting the distance between the installation members 45d and 45e to be equal to or less than the length in the short direction of the LCD 41, as shown in FIG. Does not fluctuate. Further, the projections 49a and 49b of the foot members 46a and 46b are merely inserted into the insertion holes 42f and 42g. Therefore, when the substrate 42 is deformed, the projections 49a and 49b are inserted through the insertion holes 42f and 42g.
Comes out. Therefore, the deformation of the substrate 42 is L
Since it is not transmitted to the LCD 41 via the CD spacer 43, it is possible to prevent the occurrence of blurring failure due to the distortion of the LCD 41.

Next, another embodiment of the LCD spacer as the display panel installation member according to the first embodiment will be described with reference to FIG. FIG. 3A is an expanded view of an LCD unit 40 showing another embodiment of the display panel installation member.
FIG. 2B is a side perspective view of the LCD unit 40.

In the LCD spacer 53 shown in FIG. 3, the foot members 46a of the LCD spacer 43 shown in FIG.
Instead of 46 b, foot members 56 c and 56 d are provided such that when the LCD spacer 53 is locked to the substrate 52 without the protrusion, the distal end portions contact the surface of the substrate 52. This foot member 56
c · 56d is a foot member 56c substantially at the center of two peripheral edges 53b which are sides in the lateral direction of the LCD spacer 53.
・ Provide 56d. In addition, the substrate 52 includes an installation member 55.
The insertion holes 52d / 5
Only 2e is provided.

As shown in FIG. 3B, when the LCD spacer 53 is locked on the substrate 52, the foot members 56c and 56d come into contact with the surface of the substrate 52 as described above.
The rattling of the LCD spacer 53 on the substrate 52 is suppressed,
The LCD spacer 53 can be prevented from tilting without increasing the number of locking points with the substrate 52.

The foot members 56c and 56d are
It just touches the Therefore, when the substrate 52 is deformed, the leg members 56c and 56d are separated from the substrate 52. Therefore, the deformation of the substrate 52
Since it is not transmitted to the LCD 41 via the spacer 53,
The occurrence of bleeding failure due to the distortion of the LCD 41 can be prevented.

Next, still another embodiment of the LCD spacer as the display panel installation member according to the first embodiment will be described with reference to FIG. FIG. 4A is a development view of an LCD unit 60 showing another embodiment of the display panel installation member, and FIG. 4B is a side perspective view of the LCD unit 60.

In the LCD spacer 63 shown in FIG. 4, like the LCD spacer 53 shown in FIG.
The elastic foot members 60a and 60b such as a sponge or rubber made of urethane or silicon are used without providing 6c and 56d at substantially the center of the two peripheral edges 53b which are sides in the lateral direction of the LCD spacer 53. To the LCD spacer 6
3 is fixed to the vicinity of two peripheral portions 63b on a surface 63d opposite to the surface 63a.

When the LCD spacer 63 is locked to the substrate 52, the mounting member 6 is inserted into the insertion holes 52d to 52g of the substrate 52.
5d and 65e are inserted respectively. And the fixed claw 64
d · 64e is bent at a predetermined angle. Thus, L
The CD spacer 63 and the LCD 41 can be firmly locked to the substrate 52.

At this time, the foot members 60a and 60b
Are sandwiched between the substrate 52 and the LCD spacer 63. As a result, as shown in FIG.
60b prevents rattling of the LCD spacer 63 on the substrate 52 and prevents the LCD spacer 63 from tilting without increasing the number of locking points with the substrate 52.

The foot members 60a and 60b may be sandwiched between the substrate 52 and the LCD spacer 63 after being deformed by applying a predetermined pressing force. Thereby, the substrate 52
Is deformed, the foot members 60a and 60b expand,
The LCD spacer 63 does not tilt.

However, the foot members 60a and 60b are
When sandwiched between the LCD 5 and the LCD spacer 63, the substrate 5
2 and the LCD spacer 63 must have an elastic force and a thickness that do not deform the LCD spacer 63.

FIG. 5 shows an LCD provided with only one installation member.
FIG. 4 is a diagram illustrating a shape of a spacer. In the present embodiment, L
The number of installation members provided on the CD spacers 43, 53, 63 is two. However, the number of installation members is not limited to two. For example, as shown in FIG. 5, only one installation member 75 may be provided on the LCD spacer 73 to constitute an LCD unit as in the other embodiments.

In this configuration, since the LCD spacer 73 is locked to the substrate by one fixing claw 74, there is no distance between the locking points. In addition, the foot members 76a and 76b provided near the longitudinal end of the LCD spacer 73 cause the L
The inclination of the CD spacer 73 can be prevented. Therefore, even if the substrate (not shown) to which the LCD spacer 73 is attached is deformed, the LCD spacer 73 and the LCD 4
No distortion occurs in 1. Accordingly, in this configuration, the LCD spacer 73 and the LCD 41 accompanying the deformation of the substrate (not shown)
Can be eliminated. Therefore, LCD4
1 can suppress deterioration of display quality.

The board constituting the LCD unit shown in this embodiment may be integrated with the board of the operation unit 37 shown in FIG.

In this embodiment, the LCD 41 is used as the display panel of the copying machine 1. However, the display panel of the copying machine 1 is not limited thereto, and a display other than a liquid crystal display, such as a plasma display, may be used. The present invention can be applied to a configuration using.

In this embodiment, the case where the display panel using the display panel installation member is applied to the copying machine 1 which is the image forming apparatus shown in FIG. 6 has been described. The LCD spacer as the display panel installation member of the present invention is applicable not only to an image forming apparatus such as a facsimile or a printer but also to an apparatus using a display panel such as a display unit of a portable terminal or a washing machine.

[0059]

According to the present invention, the following effects can be obtained.

(1) To install a display panel on a substrate,
Since the locking member is provided at a substantially central portion in the longitudinal direction of the display panel installation member, conventionally, three or more locking members are provided on each peripheral edge of the display panel installation member, and the display panel is provided by these locking members. The mounting member and the display panel are fixed to the substrate, and the distance between the locking points, which is the distance between the locking members, is greatly changed due to deformation of the substrate, particularly in the longitudinal direction of the display panel mounting member. Although the display panel installation member and the display panel were distorted, the locking member was provided near the center in the longitudinal direction, so that even if the distance between the locking points fluctuated due to deformation of the substrate, the display was performed. The panel installation member and the display panel are not distorted in the longitudinal direction, and can suppress the display quality of the display panel from deteriorating.

(2) Since the plurality of locking members are provided on the display panel installation member at intervals equal to or less than the length in the short direction of the display panel, the distance between the locking points is set to be small in advance. Therefore, even if the substrate is deformed, the amount of change in the distance between the locking points is small, so that it is possible to prevent the deformation of the substrate from being transmitted to the display panel and causing distortion in the display panel.

(3) By providing two locking members substantially at the center of the display panel installation member, the display panel installation member and the substrate are connected by the two locking members. The effect on the display panel when deformed can be further reduced.

(4) Since one locking member is provided substantially at the center of the display panel installation member, even if the substrate is deformed, there is no distance between the locking points, which changes. Good display can be achieved without distortion of the members and the display panel.

(5) Since a foot member for preventing the display panel from being inclined is provided near the end of the display panel installation member in the longitudinal direction, the locking member is provided at a substantially central portion of the display panel installation member. If it is provided only on the display panel installation member, the display panel installation member may rattle and tilt on the substrate, but by providing the foot member on the display panel installation member, without increasing the locking point, the display panel installation member Rattle can be suppressed.

(6) The display panel installation member is installed near the end in the longitudinal direction of the display panel installation member at the tip of a foot member provided to prevent the display panel from tilting. Since this projection is inserted into the insertion hole provided in the substrate, it is possible to suppress rattling of the display panel installation member without increasing the number of locking points. The lock with the part is released,
The deformation of the display panel can be suppressed.

(8) When a liquid crystal panel is used as a display panel, display bleeding occurs due to poor contact even if the liquid crystal panel is slightly distorted, but the liquid crystal panel can be formed using the display panel installation member of the present invention. The display quality of the liquid crystal panel can be remarkably improved by being provided on the substrate.

(9) The display panel is fixed to the display panel installation member, and a plurality of locking members provided at a substantially central portion in the longitudinal direction of the display panel installation member. Since the locking is performed, the display panel mounting member and the display panel are distorted in the longitudinal direction even if the substrate is deformed due to heat or aging change generated from a device for mounting the display panel and the distance between the locking points fluctuates. Therefore, it is possible to prevent the display quality of the display panel from deteriorating.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a configuration of an LCD unit according to the present invention.

FIG. 2A is a side perspective view showing a configuration of an LCD unit according to the present invention, and FIG. 2B is a side perspective view showing a state of the LCD unit according to the present invention when a substrate is deformed.

FIG. 3A is a cross-sectional view of an LCD unit, and FIG.
FIG. 4 is a side view showing a state of each part when the substrate is deformed.

FIG. 4A is a development view of an LCD unit showing another embodiment of a display panel installation member, and FIG. 4B is a side perspective view of the LCD unit.

FIG. 5 is an external view showing a shape of an LCD spacer having one installation member.

FIG. 6 is a perspective view illustrating an appearance of a copying machine which is an image forming apparatus.

FIG. 7 is a development view showing an example of a configuration of a conventional LCD unit.

FIG. 8A is a side perspective view of an LCD unit,
FIG. 3B is a side perspective view of the LCD unit showing a state when the substrate is deformed, and FIG. 3C is a perspective view showing a portion of the LCD where bleeding occurs.

FIG. 9 is a perspective view showing a state where a substrate is deformed in the LCD unit.

[Explanation of symbols]

 41-LCD 42, 82-substrate 43, 83-LCD spacer 44, 84-fixing claw 45, 85-installation member

 ──────────────────────────────────────────────────続 き Continued on the front page F term (reference) 2H027 GA03 GA23 ZA10 2H089 HA40 QA04 5G435 AA09 BB12 EE04 EE05 EE07 EE13 9A001 BB06 HH23 KK42

Claims (8)

[Claims] 1. A display panel installation member provided with an engagement member for installing a display panel on a substrate, wherein the engagement member is provided at a substantially central portion in a longitudinal direction. 2. The display panel installation member according to claim 1, wherein a plurality of locking members are provided at intervals equal to or less than the length of the display panel in the lateral direction. 3. The display panel installation member according to claim 1, wherein two of the locking members are provided. 4. The display panel installation member according to claim 1, further comprising one locking member. 5. The display panel installation member according to claim 1, wherein a foot for preventing the display panel from tilting is provided near an end in a longitudinal direction. 6. The display panel installation member according to claim 5, wherein the foot member has a protrusion at a tip, and the protrusion is inserted into an insertion hole provided in the substrate. 7. The display panel installation member according to claim 1, wherein the display panel is a liquid crystal panel. 8. A display panel installation method for installing a display panel on a substrate, wherein the display panel is fixed to a display panel installation member, and a plurality of locking members provided at a substantially central portion in a longitudinal direction of the display panel installation member. A display panel installation method, wherein the display panel installation member is locked to the substrate together with the display panel.