JP4198968B2 - Luminescent display - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a light emitting display that guides light from a light source provided inside a housing and emits light from a plurality of outer surfaces including at least an edge portion of the outer surface of the housing, and in particular, changes an emission direction on the outer surface of the housing. The present invention relates to a light emitting display that can be adjusted and displayed externally.
[0002]
[Prior art]
Various light-emitting displays that emit light from a light source by guiding light from a light source for light-emitting illumination such as a pilot lamp or an indicator that displays an instrument state to the outside have been proposed and developed (for example, , See Patent Document 1).
[0003]
For example, as shown in FIG. 12, the light-emitting display device 100 described in Patent Document 1 enters and introduces light from the light source 102 from one end 101 </ b> A inside a light guide plate 101 having a substantially L-shaped cross section. The introduced light is reflected by a corner portion 101B provided at an intermediate portion in the light guide plate 101, then guided to the other end portion 101C, and emitted and emitted from the other end portion 101C to the outside.
[0004]
By the way, in such a light emitting display, usually, one end portion of the light guide plate is fixed in position with respect to a housing in which the light guide plate, the light source, and the like are housed. In other words, this is the manufacturer, and it is assumed that the user is most easily able to confirm the assumed layout state of the casing that is normally expected to be installed when the user uses it. The installation position of the light guide plate is determined and fixed in advance so as to determine a part and emit light therefrom.
[0005]
[Patent Document 1]
Japanese Unexamined Patent Publication No. 10-49066 (first page, FIG. 1)
[0006]
[Problems to be solved by the invention]
However, in recent years, diversification of user preferences, diversification of applications, changes in living styles, etc. have become remarkable, and various types of electrical equipment have been unilaterally assumed and set by manufacturers. An arrangement that is uniquely fixed tends to become ineffective and tends to be less preferred.
[0007]
For example, in the case of various telephone devices, communication devices, photographing devices with electrical means, etc., the installation location is also like a table, wall or ceiling according to the circumstances of each user's preference and installation location. The installation mode is expected to be different.
[0008]
For these reasons, even in light emitting displays such as pilot lamps and indicators provided in electrical equipment, it is strongly desired to have a configuration that can set the light emitting part in an optimal and easy-to-see direction according to the installation mode. ing.
[0009]
Therefore, in view of the above-described circumstances, the present invention aims to provide a light-emitting display device that can easily change or adjust the light emission direction according to the user's preference at a low cost.
[0010]
[Means for Solving the Problems]
The light emitting display of the present invention is for emitting a light source arranged inside a housing having a slit and an outgoing light taken from the vicinity of the light source and emitted from an emission surface to the outside of the housing through the slit. A light emitting display comprising a light guide plate disposed inside the housing,
The light guide plate has a plurality of engaged portions,
Inside the housing, a pressing member having an engaging portion that selectively engages with any of the plurality of engaged portions, and a holding member that holds the light guide plate,
The light guide plate is sandwiched between the pressing member and the sandwiching member to change the posture of the light guide plate.
[0011]
Thereby, the emission direction can be easily changed or adjusted by changing the posture of the light guide plate according to the user's preference.
[0012]
In the light-emitting display device according to the present invention, the light-guiding member is formed of a pair of members for sandwiching the light guide plate, and the light guide member is disposed on at least a part of the sandwiching surface facing the light guide plate. It is characterized by having a clamping part that clamps while partially contacting or pressing.
[0013]
Thereby, since the clamping member partially clamps the light guide plate, the posture can be changed with a relatively light force without applying a large force when the light guide plate changes the posture.
[0014]
In the light-emitting display device according to the present invention, the sandwiching portion of the sandwiching member has a tapered surface with a tapered cross section that narrows in a direction in which light from the light source travels.
[0015]
As a result, it becomes easy to insert the light guide plate from the outside, and it is possible to prevent the light guide plate from falling outside with a simple structure.
[0016]
In the light-emitting display device of the present invention, the light guide plate may be in a state of being in partial contact with or in contact with the clamping surface or the clamping portion of the clamping member on a part of the clamping surface that is clamped by the clamping member. In order to change the posture while maintaining the state, it is characterized in that it has a sandwiched portion that bulges or is recessed from the sandwiched surface.
[0017]
Accordingly, since the light guide plate is also partially sandwiched with respect to the sandwiching member, the posture can be changed with a lighter force when the light guide plate changes the posture.
In addition, since the contact area with which the clamping member is clamped is small, in the case of a configuration in which light that guides the inside of the light guide plate partially leaks from the contact portion toward the inside of the clamping member, the ratio is reduced. It will be possible to suppress.
[0018]
Further, in the light emitting display of the present invention, the sandwiched portion of the light guide plate is configured by a bulging portion that bulges from the sandwiched surface of the light guide plate,
The bulging portion has a unique cross-section in the thickness direction so that one side or a part of the surface abuts or presses against the clamping surface side of the clamping member according to the clamping posture of the light guide plate. It is characterized by having.
[0019]
Thereby, the sandwiching part of the sandwiching member sandwiches the sandwiched part in the thickness direction of the light guide plate, and the sandwiched part of the light guide plate sandwiches the sandwiching member in the same direction in the plane direction perpendicular to the thickness direction of the light guide plate. On the other hand, the one end of the light guide plate is pressed by the pressing member while being sandwiched at two locations.
[0020]
Therefore, when changing the posture of the light guide plate, the thickness direction and the surface direction are constrained by the sandwiching member and the pressing member without providing a rotation shaft serving as a rotation center point on the light guide plate. In other words, in a state where a certain degree of freedom is secured, the light guide plate can change the emission direction by changing its position, that is, the posture.
[0021]
The light-emitting display device according to the present invention may be a fulcrum when the posture of the light guide plate is changed while rotating around the edge of the slit while the light guide plate is locked to the edge of the slit. While having a stop point at a part of the outer edge,
The outer edge portion of the light guide plate adjacent to the light exit surface from which the light guided through the light guide plate emits has a unique shape so that no gap is generated between the light guide plate and the slit. .
[0022]
As a result, even if the light guide plate is rotated around the edge of the slit to change its posture, there is no gap between the light guide plate and the slit formed in the housing, and dust from the outside In addition, it is possible to prevent troubles such as breakdown of internal equipment due to the ingress of moisture.
[0023]
The light-emitting display device of the present invention is characterized in that the slit is formed so as to include an edge portion where the outer surfaces intersect with each other over a plurality of outer surfaces.
[0024]
Thereby, about the some outer surface among housing | casing outer surface parts, the output direction in the output surface of a light-guide plate can be adjusted or changed. In addition, since light can be emitted from the edge portion of the light guide plate, a light emission state with high luminance is also possible.
[0025]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments according to the present invention will be described in detail with reference to the accompanying drawings.
FIG. 1 shows a slave unit 1 of a wireless video transmission apparatus for security to which a light emitting display according to an embodiment of the present invention is applied. The slave unit 1 is imaged by a surveillance camera 5. A moving image is wirelessly transmitted to a base unit (not shown), and a light emitting display 2 shown in FIG.
[0026]
In this embodiment, handset 1 is fixed to the ceiling surface via bracket 6 (see FIG. 9), and includes a transmitter (both not shown), light-emitting display 2 and the like inside housing 10. In addition, an antenna 13 is provided outside the housing 10, and the slave unit 1 and the monitoring camera 5 are connected by a cable (not shown).
[0027]
The casing 10 is formed in a substantially thin box shape, and has a top surface 10A (located at the bottom in FIG. 1) and a side surface 10B (located in the front in FIG. 1. This is hereinafter referred to as “front”). Slits 10D exposing the emission surfaces (light emission surfaces) 4B and 4C (see FIG. 2) of the light emitting display 2 in two directions across the ridge line 10C (hereinafter referred to as “edge portion”) intersecting each other. 10E is drilled in two places adjacent to each other, and constitutes an indicator for displaying an operation state of a predetermined function (for example, an energization state of a power source and a communication state), respectively.
[0028]
In the slit 10D, a step-shaped receiving portion 10G is formed on the two adjacent surfaces of the housing 10 in FIG. 8 that is recessed by one step along the edge of the opening portion that is opened in a substantially rectangular shape. ing.
[0029]
In particular, in this embodiment, among the step-shaped receiving portions 10G formed over the two surfaces described above, the length in the length direction (direction perpendicular to the width direction of the slit 10D) is long. The corner portion β, which is a locking point (fulcrum) of the light guide plate 4 to be described later, when the receiving portion α provided at the opening edge of the other surface is rotated to change the posture of the light guide plate 4. It functions as a support means for supporting the. The other slit 10E has the same configuration, and a similar receiving portion α is formed although not shown.
[0030]
Further, in FIG. 2, the housing 10 includes a pressing member 11 that elastically engages a light guide plate 4 to be described later, and a holding member 12 that holds the light guide plate 4. Among them, the pressing member 11 is provided with an engaging portion 11A whose tip protrudes in a semicircular shape in cross section, and the engaging portion 11A corresponds to a change in the posture of the light guide plate 4 (FIG. 2 or FIG. 3). It is adapted to engage with any part of each of the engaged portions 4D and 4E described later.
[0031]
On the other hand, the clamping member 12 is formed in a substantially bar shape projecting from the inner wall surface of the housing 10, and as shown in FIG.
Further, as shown in FIG. 4, the clamping member 12 faces a direction in which light from the light source 3 (see FIG. 2) travels on a part of the clamping surface 12 </ b> A that opposes each other and clamps the light guide plate 4. It has a tapered surface 12B having a tapered cross section, and is easy to insert when the light guide plate 4 is inserted and mounted inside the housing 10 as shown in FIG.
[0032]
Further, as shown in FIGS. 4 and 5, the clamping member 12 has step portions 12 </ b> C and 12 </ b> D having step surfaces 12 </ b> C and 12 </ b> A on the opposite surface to the tapered surface 12 </ b> B in each of the opposing clamping surfaces 12 </ b> A. The step surface 12C is engaged with one end portion of a bulging portion 41 of the light guide plate 4 (which constitutes the sandwiched portion of the present invention) described later.
[0033]
The light emitting display 2 has a light source 3 provided inside the housing 10, and one end surface (incident surface) faces the light source 3 and the other end surface (outgoing surface) is visible from the outside through the slits 10 </ b> D and 10 </ b> E of the housing 10. The light guide plate 4 is provided inside the housing 10, and light from each light source 3 enters from one end of each light guide plate 4 and exits from the other end surface to the outside of the housing 10. Are configured to emit light.
[0034]
In the present embodiment, a pair of the light emitting displays 2 are provided adjacent to each other, and respectively constitute an indicator for confirming the power supply state and an indicator for confirming the communication state. The light emitting display 2 is not limited to a pair (two) as in the present embodiment, and may be one or three or more.
[0035]
A light emitting diode (LED) that is a point light source is used as the light source 3, and light for light emission is incident / introduced from a part of one end surface (incident surface) of the light guide plate 4. The light emitted from the light source 3 has a specific wavelength in the visible light range. For example, in the present embodiment, light having different wavelengths is emitted so as to emit light with a specific color according to each indicator. Is configured to emit light. The light emitted from the light source 3 is configured to emit light in a state close to a normal distribution (Gaussian distribution) in which the central portion has the maximum light intensity.
[0036]
In addition to this embodiment, for example, two light sources that emit the same wavelength may be used for each light source 3, and the light guide plate 4 may be composed of translucent members having different colors. In addition, on the incident surface on which the light from the light source 3 is incident on each light guide plate 4, an appropriate dividing unit that divides the light from the light source 3 into a plurality of pieces and guides the light to each light guide plate 4, and selectively selects the divided light. It is also possible to share a single light source 3 for the plurality of light guide plates 4 by providing a shutter for blocking the light.
[0037]
The light guide plate 4 is configured by a substantially plate-like transparent member (for example, highly transparent PMMA (poly-methyl-meta-acrylate), etc.) having a high light transmittance provided in the housing 10 or a translucent member. A part of one end surface (incident surface) (for example, 4A (sub-incident part) in the case of “inclined posture” as shown in FIG. 2) and 4D (sub-incident portion) in the case of “standard posture” as shown in FIG. The main incident portion)) is disposed close to the light source 3, and the two surfaces 4B and 4C (outgoing surfaces) on the other end side are arranged in a state that is visible from the outside through the slit 10D or the slit 10E of the housing 10. It is installed.
[0038]
The light guide plate 4 can change the light emission direction from the housing 10 to the outside by changing the posture while being held by the holding member 12 ("standard direction" in FIG. B) can be changed to one of two directions of “inclination direction”. In particular, the light guide plate 4 is not provided with a pivot shaft serving as a pivot center when the posture is changed, but the receiving portion α (see FIG. 8) provided at the opening edge of the slit is the light guide plate 4. The light guide plate 4 can be rotated without falling off from the receiving portion α when operating as a rotation fulcrum when changing the posture of the light guide plate 4.
[0039]
That is, as shown in FIG. 6, the light guide plate 4 is formed with a concave corner portion β formed in a substantially bowl shape. In other words, the corner portion β is always locked to the receiving portion α. In this case, the corner portion β is used as a locking point (fulcrum), and the posture is changed while rotating.
[0040]
In FIG. 2, the light guide plate 4 is sandwiched between the engaging portion 11A of the pressing member 11 and the stepped surface 12C of the sandwiching member 12 in the surface (X) direction, and in the thickness (Z) direction. The posture can be changed reliably while being held between the holding surfaces 12A of both the holding members 12, that is, in a state where the two holding members 12 are held at three convenient places in two directions.
[0041]
Further, in this light guide plate 4, two engaged portions 4D and 4E having curved shapes that engage with the engaging portions 11A (see FIGS. 2 and 3) of the pressing member 11 in FIG. By this, the posture can be changed into two kinds of states ("inclined posture" shown in FIG. 2 and "standard posture" shown in FIG. 3). In this embodiment, the two engaged portions 4D and 4E are provided on the light guide plate 4. However, the light guide plate 4 is not particularly limited to these two locations. In order to perform finer fine adjustment, 3 More than one portion to be engaged may be provided.
[0042]
In addition, the light guide plate 4 has a bulging portion whose outer shape is substantially rectangular so as to be engaged with a step surface 12C provided adjacent to the holding surface 12A of the holding member 12 that holds the light guide plate 4. 41 (this constitutes the sandwiched portion of the present invention) is provided in a state of bulging from the sandwiched surface 40.
[0043]
Depending on the clamping posture of the light guide member 4, the bulging portion 41 has a part of the surface in contact with or pressed against the step surface 12 </ b> C (state shown in FIG. 2), As shown in FIG. 3, the deformed quadrangular shape having a unique shape and the cross section in the thickness (Z) direction have a unique shape.
[0044]
That is, in the bulging portion 41, in FIG. 5, one side 41B opposite to the emission surfaces 4B and 4C has an inherently curved surface curved in a substantially arcuate shape. In particular, the curved surface is rotated by the light guide plate 4. A convex curved surface projecting with a large radius of curvature (small curvature) toward the step surface 12C of the clamping member 12 so that the step surface 12C of the clamping member 12 can be always smoothly contacted when the posture is changed while moving. It is formed into a shape.
[0045]
Moreover, the bulging portion 41 is thicker on the side 41A near the exit surface 4B as viewed from the A direction (see FIG. 4) and thicker on the side 41B viewed from the direction B than the exit surface 4C. It has a unique bulge (thickness) shape.
In addition, as the to-be-clamped part of this invention, it is not made to bulge from the to-be-clamped surface 40 like the bulging part 41 shown to this Embodiment, The thing of the structure dented from the to-be-clamped surface 40 may be used.
[0046]
Further, in FIG. 2, the light guide plate 4 has a second end portion that emits light after being guided and transmitted through the light source 3 even when the posture is changed while being held by the holding member 12. The outer edge surface 4F portion (see FIG. 6) adjacent to the emission surface 4C has a unique curved surface shape that does not generate a gap with the slit 10D opened in the housing 10.
[0047]
That is, as shown in FIG. 6, the outer edge surface 4F is an arc having a constant turning radius R when the light guide plate 4 is rotated around a concave corner β having a substantially bowl shape in the light guide plate 4. And formed into a shape having an arc length L (that is, an arc length corresponding to the center angle θ in a circle with a radius R) when rotating around the corner portion β by at least the rotation angle θ of the light guide plate 4. Has been.
[0048]
In addition, the light guide plate 4 is subjected to a textured (or embossed) process having fine irregularities on the emission surfaces 4B and 4C which are the other end portions of the light guide plate 4 from which light from the light source 3 is emitted. Light emitted from the emission surface can be diffused and substantially uniformed. In addition, the light guide plate 4 of the present embodiment is composed of two sheets. However, the number of the light guide plates 4 is not particularly limited, and may be one or a plurality of two or more, and the number of the installed light guide plates is arbitrary.
[0049]
Next, the operation of the light emitting display 2 according to the present embodiment will be described.
When the handset 1 of the wireless moving image transmission apparatus is operated, the light exiting surfaces 4B and 4C of the light guide plate 4 constituting the light emitting portion of each indicator in the light emitting display 2 respectively correspond to the operating state of the handset 1. Emit light with a unique color.
[0050]
However, the light emission direction of the indicator is slightly different depending on the installation mode of the slave unit 1. For example, when the slave unit 1 is installed on the ceiling surface as shown in FIG. 1, the light guide plate 4 is shown in FIG. When the “standard posture” is set, the emission surfaces 4B and 4C are in a state as shown in FIG. 7A, and are arranged in parallel or perpendicular to the ceiling surface.
[0051]
Accordingly, the light emission intensity is maximum in the direction parallel to the ceiling surface or perpendicular to the ceiling surface. Therefore, when the light emission operation of the indicator is confirmed by visual recognition, the line of sight is close to the ceiling or the handset 1 It is most certain to check directly under However, it is practically difficult for anyone to check easily at a height near the ceiling. On the other hand, it is troublesome to bother to check back to the place immediately below the place where the handset 1 is installed, and it is painful to bend the face straight up.
[0052]
Therefore, when the light guide plate 4 is rotated and the posture of the light guide plate 4 is changed / adjusted to the “inclined posture” state as shown in FIG. 2, the emission surfaces 4B and 4C are in a state as shown in FIG. Since the emission intensity is maximum obliquely below the ceiling surface, it is located at a certain distance from the installation position of the slave unit 1 or at a low height where the line of sight is away from the ceiling (that is, standing on the floor surface). However, the light emission operation of the indicator can be confirmed with certainty.
[0053]
For example, as shown in FIG. 10, when the handset 1 is installed on various mounting tables 7 or the floor surface, when the light guide plate 4 is set to the “standard posture” as shown in FIG. 4B and 4C are in a state as shown in FIG. For this reason, it is possible to confirm the light emission operation of the indicator in an easy posture even when standing in the vicinity of the child device 1 and without bending the face to the top.
[0054]
By the way, in this subunit | mobile_unit 1, the cable which connects this subunit | mobile_unit 1 and an external commercial power source etc. from 10F of surfaces (henceforth a "back surface") opposite the front surface 10B in the housing | casing 10 is demonstrated. In this case, the back surface 10F is faced down to prevent troubles such as dust adhering to and accumulating on the connector that is connected to the connection cable. It is important to place it in the direction of the floor.
[0055]
Therefore, for example, as shown in FIG. 11, when the handset 1 is attached to the wall surface 8 or the like, the front surface 10B of the housing 1 is directed upward to prevent mischief or an electric shock accident. There is a situation that it must be placed at a high place on the wall. When the handset 1 is installed in such an arrangement, when the light guide plate 4 is set to the “standard posture”, the emission surfaces 4B and 4C are in a state as shown in FIG.
[0056]
For this reason, as in the case where the projector is installed on the ceiling surface, the emission intensity is highest at a high position parallel to the ceiling surface or in the direction directly above the handset 1. Therefore, when the light emission operation of the indicator is to be confirmed by visual recognition, it is most sure to confirm whether the line of sight is always near the ceiling or near the ceiling directly above the handset 1. However, it is practically difficult to take a line of sight near the ceiling and check it easily.
[0057]
On the other hand, when the posture of the light guide plate 4 is set to the “inclined posture”, the emission surface 4B is oriented obliquely downward, so that an observer with a lower eye-gaze position is standing on this wall surface. Even if it is away to some extent without bothering it, it is possible to visually and easily observe the light emission state of the indicator.
[0058]
Thus, according to this Embodiment, according to the various installation aspects of the subunit | mobile_unit 1, a user himself adjusts the indicator in the direction which is easy to visually recognize by changing the attitude | position of the light-guide plate 4 suitably. Is possible. In addition, in the present embodiment, each of the slits 10D and 10E is formed so as to include an edge portion where the outer surfaces intersect with each other over the plurality of outer surfaces 10A and 10B, and thus corresponds to the edge portion of the light guide plate 4. Therefore, it is possible to emit light from a portion where the light is emitted, and a light emission state with high luminance can be realized.
[0059]
Note that the light emitting display of the present invention is not particularly limited to the wireless video transmission system for security as in the present embodiment. For example, the light emitting display is various for disaster prevention, education, remote medical diagnosis, etc. The present invention can be widely applied to wireless video transmission systems for various purposes. Further, as described above, the slave unit used in the wireless moving image transmission system can be attached not only to the ceiling surface but also to various places such as a wall surface and an appropriate mounting table. Furthermore, the present invention is not limited to such a wireless moving image transmission system, but can be applied as a light emitting display for various wide-ranging electrical and electronic devices.
[0060]
【The invention's effect】
As described above, according to the present invention, by changing the orientation of the light guide plate, the light emission direction can be easily changed or adjusted according to the user's preference, and the simple configuration. Therefore, it is possible to provide a light emitting display at low cost.
[Brief description of the drawings]
FIG. 1 is a schematic perspective view showing a slave unit of a security wireless moving image transmission apparatus to which a light emitting display according to an embodiment of the present invention is applied.
FIG. 2 is a cross-sectional view of a main part showing a light emitting display provided in a slave unit of the wireless moving image transmission apparatus shown in FIG. 1;
3 is a cross-sectional view of the main part showing the posture of the light guide plate when the slave unit of the wireless moving image transmission apparatus is installed on the mounting table shown in FIG. 10;
4 is a cross-sectional view taken along line IV-IV in FIG.
5 is a cross-sectional view taken along line VV in FIG.
6 is a plan view showing a light emitting display provided in a slave unit of the wireless moving image transmission apparatus shown in FIG. 1;
7A and 7B are explanatory diagrams showing a light emission direction by the light emitting display of the present invention, in which FIG. 7A shows a light emission state in a standard posture, and FIG. 7B shows a light emission state in a tilt posture.
8 is a perspective view of a main part showing a method of attaching a light guide plate in a light emitting display provided in a slave unit of the wireless moving image transmission apparatus shown in FIG. 1. FIG.
FIG. 9 is an explanatory diagram showing a state when the slave unit of the wireless moving image transmission apparatus shown in FIG. 1 is attached to the ceiling.
FIG. 10 is a perspective view showing another installation mode of the slave unit of the wireless moving image transmission apparatus to which the issue indicator of the present invention is attached.
FIG. 11 is an explanatory diagram showing a state when the slave unit of the wireless moving image transmission apparatus shown in FIG. 1 is attached to a high place on a wall surface.
FIG. 12 is a schematic cross-sectional view showing a conventional light emitting display.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 The subunit | mobile_unit 10 of a radio | wireless moving image transmission apparatus Case 10A Top surface 10B Side surface (front)
10C Ridge line (edge part)
10D slit (indicator)
10E Slit (Indicator)
10F Back surface 11 Pressing member 11A Engaging portion 12 Holding member 12A Holding surface 12B Tapered surface 12C Stepped surface 12D Stepped surface 13 Antenna 2 Light emitting display 3 Light source (LED)
4 Light guide plate 4A Sub incident part 4B Outgoing surface (light emitting surface) (indicator)
4C Outgoing surface (light emitting surface) (indicator)
4D engaged part (main incident part)
4E engaged portion 4F outer edge surface 40 sandwiched surface 41 bulge portion (clamped portion)
41A One side 41B One side 41C One side 5 Surveillance camera 6 Bracket 7 Mounting base α Receiving part β Corner part

Claims (7)

A light source arranged inside a housing having a slit, and an inside of the housing for emitting outgoing light taken from the vicinity of the light source and emitted from an emission surface to the outside of the housing through the slit A light emitting display comprising a light guide plate,
The light guide plate has a plurality of engaged portions,
Inside the housing, a pressing member having an engaging portion that selectively engages with any of the plurality of engaged portions, and a holding member that holds the light guide plate,
A light-emitting display device, wherein the light guide plate is sandwiched between the pressing member and the sandwiching member to change the posture of the light guide plate. The sandwiching member is composed of a pair of members sandwiching the light guide plate, and is sandwiched while being in partial contact or pressure contact with at least a part of the sandwiching surface side facing the light guide plate. The light-emitting display device according to claim 1, further comprising a sandwiching portion. The sandwiching portion of the clamping member, the light emitting display device according to claim 2, characterized in that have a tapered cross section of the tapered surface light is narrowed toward the traveling direction from the light source. The light guide plate has a part of a sandwiched surface sandwiched by the sandwiching member to change a posture while holding the sandwiching surface or the sandwiching part of the sandwiching member partially in a contact state or a pressure contact state. The light-emitting display device according to claim 1, further comprising: a sandwiched portion that is bulged or recessed from the sandwiched surface. The sandwiched portion of the light guide plate includes a bulging portion that bulges from the sandwiched surface of the light guide plate, and
5. The bulging portion has a unique shape in which one side portion or a part of a surface abuts or is pressed against a clamping surface side of the clamping member according to a clamping posture of the light guide plate. A light-emitting display device as described in 1. The light guide plate has a locking point as a fulcrum when changing the posture while rotating around the edge of the slit in a state of being locked to the edge of the slit as a part of the outer edge. With
The outer edge portion of the light guide plate adjacent to the light exit surface from which the light guided through the light guide plate emits has a unique shape so as not to generate a gap between the slit and the slit. The light-emitting display device according to claim 1. The light emitting display according to any one of claims 1 to 6, wherein the slit is perforated so as to include an edge portion where the outer surfaces intersect each other over a plurality of outer surfaces.

Images