JP4085333B2 - Display device - Google Patents

Description

  The present invention relates to a display device that includes a light source disposed in a case body and notifies predetermined information by light emission of the light source.

  Conventionally, there is a display device 100 as shown in FIG. 8, for example, as a display device that notifies predetermined information by light emission display. The display device includes a rear case 101 that is a case body, and an LED (light emitting diode) 102 that emits white light as a light source accommodated in the rear case 101. Reference numeral 103 denotes a cylindrical front case, and a projecting portion 104 projecting inward is provided at the front opening end (left side in FIG. 8). On the other hand, a female screw 105 is formed on the rear opening side (right side in FIG. 8). The rear case 101 has a substantially cylindrical shape having a bottom portion 106, and a male screw 107 that is screwed into the female screw 105 of the front case 103 is formed on the opening side (front case 103 side) of the rear case 101. . The outer diameter of the peripheral wall 108 other than the portion where the male screw 107 is formed substantially coincides with the outer diameter of the front case 103.

  Reference numeral 109 denotes a display member made of a synthetic resin red translucent material. The display member 109 is sandwiched between the protruding portion 104 and the front end portion 110 of the rear case 101 when the female screw 105 of the front case 103 and the male screw 107 of the rear case 101 are screwed together. The LED 102 is soldered to a hard circuit board 112 with leads 111. The circuit board 112 is screwed to a mounting portion 113 provided on the bottom 106 of the rear case 101 with screws 114. A bottom hole 115 is provided in the bottom portion 106, and a connection cord 116 connected to the lead 111 of the LED 102 is drawn from the bottom hole 115.

  In addition, a metal attachment member 117 is attached to the rear case 101. The attachment in this example is performed by screwing the first mounting portion 118 of the attachment member 117 to the peripheral wall 108 of the rear case 101 with a screw 119. Moreover, the 2nd mounting part 120 which is a flat plate part is attached, for example on the dashboard of a vehicle. The attachment member 117 is attached to the rear case 101 by other means such as welding the first mounting portion 118 at the peripheral wall 108 without using the screw 119 (when the rear case 101 is made of metal). Anyway.

Such a display device 100 can be used, for example, for an instrument driving device proposed by the applicant of the present application in the cited document 1. Such a meter drive device has a multi-warning function that activates a notification means when any of a plurality of vehicle states such as the engine speed, supercharging pressure (intake pressure), and exhaust temperature of the vehicle is to be warned. It is what has. By using the above-described display device 100 as the notification means, the LED 102 is turned on or flashes, and the light from the LED 102 passes through the display member 109 to indicate red display light. Even if the instrument is installed at a position away from the user, it is possible to notify (warn) the user that any of the vehicle states should be warned. It has become.
JP 2003-97976 A

  However, in such a display device 100, since the display is always the same, there is room for improvement in that a plurality of pieces of information cannot be determined. For example, in the above-described multi-warning function, the timing at which the engine speed of the vehicle becomes a value greater than or equal to a predetermined set value or a value greater than the set value is determined by display on the display device 100, and the vehicle is shifted up accordingly. When the display device 100 is used for the purpose of performing the vehicle, when the display device 100 is displayed when another vehicle state is to be warned, the vehicle shift-up timing, which is information required by the user, is accurately determined. There was a problem that it was impossible to do.

  As a method for improving the above-mentioned points, a plurality of light sources that emit light of different emission colors are provided in the case body, and each of the light sources is switched to emit light, or a plurality of different colors are displayed on the display surface side of the plurality of light sources. It is possible to provide a color filter. However, when the light sources having different emission colors are disposed adjacent to each other, when the plurality of light sources emit light together, the light from the light sources partially overlaps and is recognized by the user. There is a problem in that there are places where the light emission colors are mixed and display is performed, and it becomes difficult for the user to recognize the display colors of the respective light sources. When a plurality of color filters having different colors are provided adjacent to each other, when one of the light sources emits light, the color that should not be displayed is partially displayed by transmitting the plurality of adjacent color filters, There was a problem that it was difficult for the user to recognize each display color.

  The present invention has been made in view of the above-described problems, and provides a display device that allows a user to properly discriminate a plurality of information in a display device that displays a plurality of information in a plurality of display colors. The purpose is to do.

  In order to solve the above problems, the display device of the present invention has a plurality of light sources that are arranged in the case and emits light of different emission colors, and a plurality of protrusions that are arranged in front of the light sources and face the light sources. And a lens member having a flat portion facing the protruding portion, and the lens member enters light from each of the light sources from the protruding portions facing each other and is directed from the flat portion toward the user's line of sight. Further, when the light is incident on each projecting portion that does not face each light source, the light exits from the flat portion in a direction deviating from the user's line of sight.

  In addition, the display device of the present invention includes a plurality of light sources disposed in the case body, a plurality of protrusions disposed in front of the light sources and opposed to the light sources, and a flat portion opposed to the protrusions. A lens member and a plurality of color filters of different colors disposed in front of the light source and facing the light sources, wherein the lens member is incident from each protrusion facing the light sources. The light is emitted from the flat portion toward the user's line of sight, and is emitted from the flat portion in a direction deviating from the user's line of sight when the light is incident on each protrusion not facing the light sources. It is characterized by that.

  In addition, a light shielding member is provided around the lens member and shields the light emitted in a direction deviating from the user's line of sight.

  In addition, the lens member includes a transmissive portion that transmits light from each light source and a diffusing portion that diffuses light from each light source in each protruding portion.

  In addition, the transmission part is formed in the approximate center of each protrusion, and the diffusion part is formed around the transmission part of each protrusion.

  Further, the diffusion portion is characterized in that a surface of the lens member is textured.

  Further, the present invention is characterized in that a diffusion plate is provided between the lens member and each of the light sources, and has an opening that faces the approximate center of each of the protrusions of the lens member.

  In addition, the mounting member includes a mounting member that is mounted on the case body and has a flat plate portion in which at least one or more first groove portions are formed, and the mounting member includes a part of the flat plate portion along the first groove portion. It is provided so that it can be separated.

  Further, the flat plate portion is characterized in that a plurality of second groove portions are formed on substantially concentric circles.

  The present invention relates to a display device that includes a light source disposed in a case body and notifies predetermined information by light emission of the light source. In a display device that displays a plurality of information in a plurality of display colors, a user Can distinguish a plurality of information well.

  Hereinafter, the first embodiment of the present invention is a state in which any one of a plurality of vehicle states such as an engine speed, a supercharging pressure (intake pressure), and an exhaust temperature should be warned as predetermined information. An example of a display device that applies the present invention to a display device that notifies the above will be described. FIG. 1 shows the front of the display device, and FIG. 2 is a cross section taken along the line AA in FIG. FIG. 3 is a cross section taken along the line BB in FIG.

  The display device 1 includes a cylindrical front case (light shielding member) 2, a rear case (case body) 3 that is disposed on the rear opening side (right side in FIG. 2) of the front case 2 and is attached to the front case 2, A lens member 4 disposed so as to be positioned in front of the rear case 3 (on the left side in FIG. 2) on the rear opening side of the front case 2, and first and second light sources stored in the rear case 3. LEDs 5 and 6, and a rear case 3, and an attachment member 7 for attaching the display device 1 on the dashboard of the vehicle. The first and second LEDs emit light in different colors. In the first embodiment, the first LED 5 emits red light, and the second LED 6 emits green light. And

  The front case 2 is made of, for example, a metal material such as aluminum, and a protrusion 2a is formed on the inner periphery on the rear opening side, and a female screw part 2b is formed on the rear side of the inner peripheral protrusion 2a on the rear opening side. Has been.

  The rear case 3 is made of, for example, a metal material such as aluminum and has a cylindrical shape having a bottom portion 3a. A male screw that is screwed into the female screw portion 2b of the front case 2 around the outer side of the opening side (front case 2 side) Part 3b is formed. Further, in order to make the male screw portion 3b coincide with the female screw portion 2b of the front case 2, a step portion 3c is formed in the rear case 3, and the rear case 3 is formed with the male screw portion 3b formed more than the other portions. It is formed to be thin. The rear case 3 is connected and fixed to the mounting member 7 by a method such as screwing. An arrangement portion 3d for arranging a circuit board 8 to be described later is formed on the bottom portion 3a of the rear case 3.

  The lens member 4 is made of, for example, a transparent material such as synthetic resin, and is formed on the facing surface side of the first and second LEDs 5 and 6 so as to face the first and second LEDs 5 and 6, respectively. , Second protrusions (protrusions) 4a and 4b, and a flat surface part 4c formed on the display surface side, and the two plano-convex lenses are connected so that the curved surfaces partially overlap each other. It has a shape. With this lens shape, as shown in FIG. 3, the light emitted from the first LED 5 which is a point light source facing the first protruding portion 4a is incident from the first protruding portion 4a and used from the flat portion 4c. The light is emitted at an angle toward the person's line of sight. In addition, light emitted from the second LED 6 that is a point light source facing the second protrusion 4a is incident from the second protrusion 4b and is emitted from the flat surface 4c at an angle toward the user's line of sight. . Moreover, when the light emitted from the first LED 5 is incident from the second protruding portion 4b that is not opposed to the first LED 5, the light is emitted from the plane portion 4c in a direction away from the user's line of sight. Moreover, when the light emitted from the second LED 6 is incident from the first protruding portion 4a that is not opposed to the second LED 6, the light is emitted from the plane portion 4c in a direction away from the user's line of sight. Note that the “direction away from the user's line of sight” is, for example, that light is emitted toward the side wall of the front case 2 disposed around the lens member 4 and is blocked by the front case 2 so that the light is emitted to the outside. Irradiation is suppressed. Therefore, even when both the first and second LEDs 5 and 6 are lit or blinked, the display device 1 is used by overlapping the red light and the green light emitted from the first and second LEDs 5 and 6. It is possible to display a red display and a green display well without causing a person to enter the line of sight and without causing color mixing.

  Further, as shown in FIG. 4, the first and second protrusions 4a and 4b are made of transparent first and second transmission parts (transmission parts) 4a1 and 4b1 having a smooth surface at the center, and The periphery of the first and second transmission parts 4a1 and 4b1 is composed of first and second diffusion parts (diffusion parts) 4a2 and 4b2 in which the surface is roughened by embossing and fine irregularities (textures) are formed. Is. Therefore, the light incident from the first and second transmission parts 4a1 and 4b1 exits from the flat part 4c in one direction (the direction of the user's line of sight) and enters from the first and second diffusion parts 4a2 and 4b2. The emitted light is diffused in multiple directions and emitted from the flat surface portion 4c. Therefore, the lens member 4 can make the user feel the display light brighter by emitting light in one direction at the portions corresponding to the first and second transmission portions 4a1 and 4b1 of the flat surface portion 4c. The visibility can be improved. In addition, the lens member 4 can widen the viewing angle of the display by emitting diffused light at locations corresponding to the first and second diffusing portions 4a2 and 4b2 of the flat surface portion 4c, thereby improving visibility. It becomes possible to improve. Moreover, the lens member 4 has the surrounding wall part 4c integrally formed around the 1st, 2nd protrusion part 4a, 4b. The lens member 4 has a peripheral wall portion 4c engaged with an opening side end portion of the rear case 3 and is sandwiched between the opening side end portion of the rear case 3 and the protruding portion 2a of the front case 2 so that the lens member 4 is disposed. Fixed.

  The first and second LEDs 5 and 6 emit light with different emission colors, and the leads 5a and 6a are respectively soldered to the hard circuit board 8 and disposed in the rear case 3. . In addition to the LED 5, a reverse current preventing diode (not shown), a power receiving connector 9, and the like are mounted on the circuit board 8. The circuit board 8 is housed on the bottom 3a side in the rear case 3, and is fixed to a mounting portion 3d formed on the bottom 3a by screwing. Although the LED 5 is soldered to the circuit board 8, the LED 5 may be housed in the rear case 3 without using the circuit board 8. Further, the light source is not limited to the first and second LEDs 5 and 6, and a bulb or the like may be used.

  The attachment member 7 is made of, for example, a metal material, and includes a first attachment portion 7a attached to the rear case 3, and a flat plate-like second attachment portion 7b attached on the dashboard or the like via an adhesive tape, for example. Is. The first attachment portion 7a includes a top plate portion 7a1 formed in a shape corresponding to the side surface of the rear case 3, two side plate portions 7a2, 7a3 extending from both ends of the top plate portion 7a1, and a side plate portion 7a2. , 7a3, and the side wall portions 7a2 and 7a3 are provided with holes through which the male screws 9 and 10 are inserted, respectively, and the cylindrical portion 7a4 screws the male screws 9 and 10 into screws. An internal thread part for fitting is provided at both ends. The second mounting portion 7b includes two support portions 7b1 and 7b2 that are vertically provided from the surface facing the first mounting portion 7a. The support portions 7b1 and 7b2 are male screws 9 and 10. Are respectively provided with holes. Accordingly, the male screws 9 and 10 are inserted into the hole portions of the side wall portions 7a2 and 7a3 and the support portions 7b1 and 7b2, and the male screws 9 and 10 are screwed into the female screw portions of the cylindrical portion 4a. The second mounting portions 7a and 7b are connected so as to be rotatable about the male screws 9 and 10. The male screws 9 and 10 can be fixed at a desired angle by tightening them firmly.

  Further, as shown in FIG. 5A, the second mounting portion 7b is substantially perpendicular to the longitudinal direction of the second mounting portion 7b, and a plurality of first slit portions (first One groove portion) 7b3 is formed. Therefore, as shown in FIG. 5B, the second mounting portion 7b is provided so that a part of the second mounting portion 7b can be manually separated by the user without using a tool along the first slit 7b3. The area of the second mounting portion 7b can be easily changed according to the shape and area of the mounting position. The second mounting portion 7b is formed with a hole 7b4 for mounting and fixing the second mounting portion 7b by screwing when the area of the second mounting portion 7b is reduced. The second mounting portion 7b is formed with a plurality of second slit portions (second groove portions) 7b5 so as to be positioned substantially concentrically. Therefore, the second attachment portion 7b is provided so that the user can bend the adjacent portion of the second slit portion 7b5 by hand without using a tool, and can easily be curved according to the surface shape of the attachment position. It is possible to deform it.

  The display device 1 having the above configuration is connected to, for example, an instrument driving device having a multi-warning function disclosed in Patent Document 1, and for example, a value in which the engine speed of the vehicle is a predetermined set value or more in advance or the set value The user seeks by setting the second LED 6 to emit green light when the value becomes larger and the first LED 5 to emit red light when another vehicle state should be warned. The user can be informed of two types of information, that is, the vehicle shift-up timing, which is a plurality of pieces of information, and that another vehicle state has entered a state to be warned.

  The display device 1 is disposed in the rear case 3 and emits light of different emission colors, and is disposed in front of the first and second LEDs 5 and 6. And a lens member 4 having first and second projecting portions 4a and 4b facing the second LEDs 5 and 6, respectively. Therefore, even when both the first and second LEDs 5 and 6 are lit or blinking, the red light and the green light emitted from the first and second LEDs may overlap and enter the line of sight to the user. Therefore, it is possible to display a plurality of colors satisfactorily without causing color mixing. Further, by disposing the front case 2 as a light shielding member around the lens member 4, it is possible to suppress the light emitted in the direction away from the user's line of sight from being irradiated to the outside.

  Further, in the display device 1, the first and second transmission parts 4 a 1 and 4 b 1 in which the lens member 4 transmits the light from the first and second LEDs 5 and 6 to the first and second protrusions 4 a and 4 b. And first and second diffusing portions 4a2 and 4b2 for diffusing light from the first and second LEDs 5 and 6. The first and second transmission parts 4a1 and 4b1 are formed at substantially the center of the first and second projecting parts 4a and 4b, and the first and second diffusion parts 4a1 and 4b2 are formed in the first and second parts. It is formed around the transmission parts 4a1 and 4b1. The first and second diffusing portions 4a2 and 4b2 are formed by applying a texture to the surface of the lens member 4. With the above configuration, the display device 1 emits light in one direction at locations corresponding to the first and second transmission portions 4a1 and 4b1 of the flat surface portion 4c of the lens member 4, thereby allowing display light to be transmitted to the user. The display viewing angle can be widened by emitting diffused light at locations corresponding to the first and second diffusion portions 4a2 and 4b2 of the flat surface portion 4c. Visibility can be improved.

  Further, the display device 1 includes an attachment member 7 that is attached to the rear case 3 and has a second attachment portion 7b in which at least one first slit portion 7b3 is formed. A part of the mounting portion 7b is provided so as to be detachable along the first slit portion 7b3. Therefore, the area of the second attachment portion 7b can be easily changed according to the shape and area of the attachment position, and the merchantability as a display device can be improved.

  In addition, the display device 1 is formed by forming a plurality of second slit portions 7b5 positioned substantially concentrically on the second attachment portion 7b, and can easily be curved according to the surface shape of the attachment position. Therefore, the merchantability as a display device can be improved.

  In the first embodiment of the present invention, the first and second LEDs 5 and 6 are provided as light sources. However, the number of light sources in the present invention may be three or more, and the lens member. The same number of protrusions as the number of the light sources is formed.

  Next, a second embodiment of the present invention will be described with reference to FIG. In addition, the same code | symbol is attached | subjected to the part same as the above-mentioned 1st embodiment, or an equivalent part, and the detailed description is abbreviate | omitted.

  The display device 11 is different from the display device 1 according to the first embodiment described above in that the first and second LEDs 5 and 6 and the lens member disposed in front of the first and second LEDs 5 and 6. 12 is provided with a diffusion plate 13 having an opening opposed to the approximate center of the first and second protrusions 12a, 12b formed on the lens member 12.

  The lens member 12 is made of, for example, a transparent material such as synthetic resin, and is formed on the facing surface side of the first and second LEDs 5 and 6 so as to face the first and second LEDs 5 and 6, respectively. , Second protrusions (protrusions) 12a and 12b and a flat surface part 12c formed on the display surface side, and the two plano-convex lenses are connected so that the curved surfaces partially overlap each other. It has a shape. With such a lens shape, light emitted from the first LED 5 that is a point light source facing the first protruding portion 12a is incident on the first protruding portion 12a and is an angle from the plane portion 12c toward the user's line of sight. Exit with Further, light emitted from the second LED 6 which is a point light source facing the second projecting portion 12a is incident from the second projecting portion 12b and emitted from the flat surface portion 12c at an angle toward the user's line of sight. . Moreover, when the light emitted from the first LED 5 is incident from the second protruding portion 12b that is not opposed to the first LED 5, the light is emitted from the plane portion 12c in a direction away from the user's line of sight. Moreover, when the light emitted from the second LED 6 is incident from the first protruding portion 12a that is not opposed to the second LED 6, the light is emitted from the plane portion 12c in a direction away from the user's line of sight. The “direction away from the user's line of sight” is, for example, that light is emitted toward the side wall of the front case 2 provided around the lens member 12, is shielded by the front case 2, and is irradiated with light to the outside. Is suppressed. Therefore, even when both the first and second LEDs 5 and 6 are lit or blinked, the red light and the green light emitted from the first and second LEDs 5 and 6 overlap and enter the line of sight to the user. Therefore, the red display and the green display can be satisfactorily displayed without causing color mixing.

  The diffusing plate 13 is made of, for example, a milky white transparent material, the surface is roughened by embossing, and fine unevenness (texture) is formed. Further, the diffusion plate 13 has first and second openings 13 a and 13 b that are opposed to substantially the center of the first and second protrusions 12 a and 12 b formed on the lens member 12. Therefore, the light that has passed through the first and second openings 13a and 13b and entered from the first and second protrusions 12a and 12b is emitted from the plane portion 12c in one direction (the line of sight of the user). The light transmitted through the diffusion plate 13 is diffused in multiple directions by the diffusion plate 12, enters the first and second projecting portions 12a and 12b, and exits from the plane portion 12c.

  Therefore, the display device 11 is provided with the diffusion plate 13 having the first and second openings 13a and 13b between the first and second LEDs 5 and 6 and the lens member 11, so that the plane portion 12c By emitting light in one direction at locations corresponding to the first and second openings 13a and 13b, it is possible to make the display light feel brighter to the user, and to the diffusion plate 13 of the flat surface portion 11c. By emitting diffused light at the corresponding location, the viewing angle of display can be widened, and visibility can be improved.

  Next, a third embodiment of the present invention will be described with reference to FIG. In addition, the same code | symbol is attached | subjected to the same or an equivalent part as the above-mentioned 1st, 2nd embodiment, and the detailed description is abbreviate | omitted.

  The display device 21 is different from the first and second embodiments described above in that third and fourth LEDs 22 and 23 that emit white light and are disposed in the rear case 3 as a light source, and third and fourth. And a red filter (color filter) 24 and a green filter (color filter) 25 disposed in front of the LEDs 22 and 23 and facing the third and fourth LEDs 22 and 23, respectively.

  The red filter 24 and the green filter 25 are each formed by, for example, dissolving or dispersing the color pigments in a transparent resin material. Further, the red filter 24 and the green filter 25 are arranged on the flat surface portion 4c of the lens member 4 through a translucent adhesive layer (not shown) made of, for example, a two-component curable resin material or a thermosetting resin material. Established.

  The light emitted from the third LED 22 which is a point light source facing the first protrusion 4a is incident from the first protrusion 4a, passes through the red filter 24 through the flat portion 4c, and is converted into red light. Light emitted from the fourth LED 23, which is a point light source that is emitted at an angle toward the user's line of sight and is opposed to the second protrusion 4a, enters the second protrusion 4b and enters the flat portion 4c. Is transmitted through the green filter 25 and emitted as an angle of green light toward the user's line of sight. In addition, when light emitted from the third LED 22 is incident from the second protrusion 4b that is not opposed to the third LED 22, the light is emitted from the green filter 25 in a direction away from the user's line of sight via the flat portion 4c. Exit. Further, when the light emitted from the fourth LED 25 is incident on the first protrusion 4a that is not opposed to the fourth LED 25, the light is emitted from the red filter 24 in a direction away from the user's line of sight via the flat portion 4c. Exit. The “direction away from the user's line of sight” is, for example, that light is emitted toward the side wall of the front case 2 provided around the lens member 4, is shielded by the front case 2, and light is irradiated to the outside. Is suppressed. Therefore, even when both the third and fourth LEDs 22 and 23 are lit or blinked, the display device 21 does not have the green filter 25 or the light emitted from the third and fourth LEDs 22 and 23 in an opposing relationship. The red filter 24 is not transmitted and enters the user's line of sight, and it is possible to suppress the partial display of colors that are not selected for display and to display a plurality of colors well.

  In the third embodiment, the display device 21 has a configuration in which the red filter 24 and the green filter 25 are disposed on the flat surface portion 4c of the lens member 4, but the color filter includes a light source and a lens member. Or a white LED as a light source and a cap colored with a predetermined color as a color filter may be attached as a color filter. And the color filter may be formed of one member.

The front view of the display apparatus which is 1st embodiment of this invention. AA sectional drawing of a display apparatus same as the above. BB sectional drawing of a display apparatus same as the above. The figure which shows the lens member of a display apparatus same as the above. The figure which shows the attachment member of a display apparatus same as the above. Sectional drawing of the display apparatus which is 2nd embodiment of this invention. Sectional drawing of the display apparatus which is 3rd embodiment of this invention. Sectional drawing which shows the display apparatus of a prior art example.

Explanation of symbols

1,11,21 Display device 2 Front case (light shielding member)
3 Rear case (case body)
4,12 Lens member 5 First LED (light source)
6 Second LED (light source)
7 Mounting member 7b Second mounting portion (flat plate portion)
7b3 First slit (first groove)
7b4 Second slit (second groove)
13 Diffuser 13a, 13b Opening 22 Third LED (light source)
23 Fourth LED (light source)
24 Red filter (color filter)
25 Green filter (color filter)

Claims (9)

A plurality of light sources that are disposed in the case body and emit light in different emission colors; a lens member that is disposed in front of the light sources and that has a plurality of projecting portions facing the light sources; and a planar portion facing the projecting portions; With
The lens member receives light from each of the light sources from each of the opposing protrusions and emits the light toward the user's line of sight from the flat surface, and the light to each of the protrusions not facing the light sources. A display device characterized by being emitted from the planar portion in a direction deviating from the line of sight of the user when incident. A plurality of light sources disposed in the case, a plurality of protrusions disposed in front of the light sources and facing the light sources, a lens member having a flat surface facing the protrusions, and in front of the light sources A plurality of different color filters arranged and facing each light source,
The lens member receives light from each of the light sources from each of the opposing protrusions and emits the light toward the user's line of sight from the flat surface, and the light to each of the protrusions not facing the light sources. A display device characterized by being emitted from the planar portion in a direction deviating from the line of sight of the user when incident. 3. The display according to claim 1, further comprising: a light shielding member that is disposed around the lens member and shields the light emitted in a direction deviating from the user's line of sight. apparatus. 2. The lens member according to claim 1, further comprising: a transmissive portion that transmits light from each of the light sources and a diffusing portion that diffuses light from each of the light sources. Item 3. The display device according to Item 2. The display device according to claim 4, wherein the transmissive portion is formed at a substantially center of each of the projecting portions, and the diffusing portion is formed around the transmissive portion of each of the projecting portions. The display device according to claim 4, wherein the diffusion unit is formed by applying a texture to the surface of the lens member. The diffusing plate is provided between the lens member and the light sources, and has a diffuser plate having an opening facing the substantial center of the protrusions of the lens member. 2. The display device according to 2. The mounting member includes a mounting member that is mounted on the case body and has a flat plate portion on which at least one first groove portion is formed. The mounting member separates a part of the flat plate portion along the first groove portion. The display device according to claim 1, wherein the display device is provided. The display device according to claim 8, wherein the flat plate portion has a plurality of second groove portions formed on substantially concentric circles.

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