JP6624367B2 - Display device and image forming device - Google Patents

Description

  The present invention relates to a display device and an image forming device.

  Patent Literature 1 discloses a system management unit that manages a state related to hardware of an apparatus, an acquisition unit that obtains application state information from each application and an apparatus state information from the system management unit, and checks a state of the entire apparatus. Input means for receiving a display request for a status confirmation screen for performing, and when there is the display request, the status display of the device and the status display of each application are made into one based on the status information acquired by the acquisition means. An image processing apparatus is described that includes a screen creation unit that creates the state confirmation screen performed on a screen, and a display unit that displays the state confirmation screen created by the screen creation unit.

JP 2013-102350 A

  The present invention provides a display device and an image forming apparatus capable of suppressing a difference in the amount of light emitted from an irradiation surface, which may be caused by using light emitting units having different distances to an irradiation surface of a light guide member. The purpose is to:

  The present invention according to claim 1 includes a first light emitting unit, a second light emitting unit, and light emitted from the first light emitting unit and incident from the first incident surface and the second incident surface. The incident light emitted from the second light emitting unit is refracted by using a reflecting surface, and the refracted light is intersected by the first incident surface and the second incident surface. A light guide member for irradiating from an irradiation surface formed in the second light emitting unit, the second light emitting unit is disposed at a position farther from the irradiation surface than the first light emitting unit, the second light emitting unit A display device, wherein the angle of the light incident surface of the light guide member formed by the light incident surface is smaller than the angle of the light incident surface of the first light incident surface formed by the first incident surface.

  According to a second aspect of the present invention, in the light guide member, a length of one end portion is longer than a length of the other end portion, and the first light emitting portion and the second light emitting portion include the light guide. The display device according to claim 1, wherein the display device is disposed on the one end side of a member.

  According to a third aspect of the present invention, a plurality of light-emitting portions and light incident from a plurality of incident surfaces into which light is respectively incident from one of the plurality of corresponding light-emitting portions are respectively reflected using a reflection surface. A light guide member for irradiating the refracted light and the refracted light from an irradiation surface formed in a direction intersecting with the plurality of incident surfaces, respectively, and the plurality of light emitting units are arranged from the irradiation surface. Are arranged so as to be different from each other, and an angle formed by one of the plurality of incident surfaces between the irradiation surface and the inside of the light guide member is one of the plurality of light emitting units having a long distance from the irradiation surface. A display device that is smaller as one of the plurality of incident surfaces.

  According to a fourth aspect of the present invention, in the light guide member, a length of one end portion is longer than a length of the other end portion, and the plurality of light emitting portions are respectively provided on the one end portion side of the light guide member. The display device according to claim 3, wherein the display device is disposed on a display device.

  The present invention according to claim 5, comprising: an image forming apparatus main body; and a display device mounted on the image forming apparatus main body, wherein the display device has a first light emitting unit and a second light emitting unit. And, using a reflection surface, light emitted from the first light emitting portion incident from the first incident surface and light emitted from the second light emitting portion incident from the second incident surface. A light guide member configured to irradiate each refracted light and each refracted light from an irradiation surface formed in a direction intersecting with the first incident surface and the second incident surface; and The light-emitting portion is disposed at a position farther from the irradiation surface than the first light-emitting portion, and the angle on the light guide member inside side where the second incident surface forms the irradiation surface is the third position. An image forming apparatus in which one incident surface is smaller than an angle on the light guide member inner side formed by the irradiation surface.

  The present invention according to claim 6, comprising: an image forming apparatus main body; and a display device mounted on the image forming apparatus main body, wherein the display device includes a plurality of light emitting units and a corresponding plurality of light emitting units. A direction in which light incident from a plurality of incident surfaces on each of which light is incident from one of the portions is respectively refracted using a reflective surface, and the refracted light is respectively crossed with the plurality of incident surfaces. And a light guide member for irradiating from an irradiation surface formed in the plurality of light-emitting portions, wherein the plurality of light-emitting portions are arranged so that distances from the irradiation surface are different from each other, and one of the plurality of incident surfaces is In the image forming apparatus, the angle formed between the irradiation surface and the inside of the light guide member may be as small as one of the plurality of incident surfaces corresponding to one of the plurality of light emitting units having a long distance from the irradiation surface.

  According to the first aspect of the present invention, a display device capable of suppressing a difference in the amount of light emitted from an irradiation surface, which may be caused by using light emitting units having different distances to the irradiation surface of the light guide member. Can be provided.

  According to the second aspect of the present invention, a space that is not formed when one end and the other end of the moving member use the same moving member can be formed in the display device.

  According to the third aspect of the present invention, a display device capable of suppressing a difference in the amount of light emitted from an irradiation surface, which may be caused by using light emitting units having different distances to the irradiation surface of the light guide member. Can be provided.

  According to the fourth aspect of the present invention, a space that is not formed when one end portion and the other end portion of the movement member use the same movement member can be formed in the display device.

  According to the fifth aspect of the present invention, it is possible to suppress the difference in the amount of light irradiated from the irradiation surface which may be caused by using the light emitting units having different distances to the irradiation surface of the light guide member. An apparatus can be provided.

  According to the sixth aspect of the present invention, it is possible to suppress the difference in the amount of light irradiated from the irradiation surface, which may be caused by using the light emitting units having different distances to the irradiation surface of the light guide member. An apparatus can be provided.

FIG. 1 is a diagram illustrating an image forming apparatus according to a first embodiment of the present invention. FIG. 2 is a front view illustrating a display device included in the image forming apparatus illustrated in FIG. 1. FIG. 3 is a diagram illustrating a cross section taken along line AA of FIG. 2 of the display device illustrated in FIG. 2. FIG. 3 is a diagram illustrating a light guide member and a light emitting unit included in the display device illustrated in FIG. 2. It is a figure showing a light guide member and a luminescence part which a display concerning a 2nd embodiment of the present invention has.

  Next, an embodiment for carrying out the present invention will be described with reference to the drawings. FIG. 1 shows an image forming apparatus 900 according to an embodiment of the present invention. The image forming apparatus 900 is an apparatus that forms an image by, for example, an electrophotographic method or an inkjet method, and includes an image forming apparatus main body 910 and a display device 10. In this embodiment, although the display device 10 is attached to the image forming device 900, the display device 10 can be attached to a device other than the image forming device, such as various communication devices and various appliances, for example. .

  The display device 10 has a display device main body 20, and the display device main body 20 is attached to the image forming apparatus main body 910 by using an attachment member 22.

  FIG. 2 shows the display device 10 from the front side. As shown in FIG. 2, a touch panel 40, a light emitting unit 42, a light emitting unit 44, an operation unit 46, and an operation unit 48 are attached to a front surface of the display device main body 20. Touch panel 40 has a function of displaying the state of image forming apparatus 900 and a function of operating image forming apparatus 900. In order to operate the image forming apparatus 900 using the touch panel 40, the operator touches a point or an area such as a picture or a pictogram displayed on the touch panel 40 with a hand, or a pen called a dedicated stylus (not shown) or the like. By applying pressure with a general pen or the like, information on the touched screen position is sensed and output as a signal to the image forming apparatus 900.

  The light emitting unit 42 and the light emitting unit 44 emit light in a predetermined color, for example, to indicate the state of the image forming apparatus 900. The operation unit 46 and the operation unit 48 are used to operate the image forming apparatus 900, and for example, a switch device of a pressing type can be used.

A light emitting unit 60 is further attached to the front surface of the display device body 20. The light emitting unit 60 emits, for example, light of a plurality of colors different from each other, for example, emits red light and blue light.

  FIG. 3 shows a cross section of the display device 10. The display device 10 has the display device main body 20 as described above, and the light transmissive member 26 that can transmit light is attached to the display device main body 20. The outer portion of the light transmissive member 26 in the display device main body 20 is used as the light emitting unit 60 (see also FIG. 2). As the light transmitting member 26, for example, plate-like glass, plate-like resin, or the like can be used.

  Further, in the display device main body 20, for example, a first light emitting element 62 and a second light emitting element 64 that emit light of different colors from each other, and a prism 100 used as a light guide member are arranged. As the first light emitting element 62, for example, an LED (light emitting diode) that emits blue light can be used, and as the second light emitting element 64, for example, an LED that emits red light can be used. The first light emitting element 62 and the second light emitting element 64 emit the same amount of light.

  The second light emitting element 64 is disposed at a position farther from an irradiation surface 120 described later than the first light emitting element 62.

  The prism 100 has a first incident surface 102, a second incident surface 104, a reflecting surface 110, and an irradiation surface 120. The first incident surface 102 is a surface on which light emitted from the first light emitting element 62 is incident, and the second incident surface 102 is a surface on which light emitted from the second light emitting element 64 is incident. is there. In addition, the reflection surface 110 is formed of light emitted from the first light emitting element 62 incident from the first incident surface 102 and light emitted from the second light emitting element 64 incident from the second incident surface 104. And the surface that reflects them. The irradiation surface 120 is a surface formed in a direction intersecting each of the first incident surface 102 and the second incident surface 104, and irradiates the light refracted by the reflection surface 110 toward the light transmitting member 26. .

  FIG. 4 shows the first light emitting element 62, the second light emitting element 64, and the prism 100. In the prism 100, the length L1 at one end in the longitudinal direction is longer than the length L2 at the other end in the longitudinal direction. The first light emitting element 62 and the second light emitting element 64 It is arranged on one end side. Therefore, a space S (calculation in FIG. 3) that is not formed when the length L1 and the length L2 are the same can be formed inside the display device main body 20.

  Further, the second angle θ2 on the inner side of the prism 100 formed by the second incident surface 104 and the irradiation surface 120 is smaller than the angle θ1 on the inner side of the prism 100 formed by the first incident surface 102 on the irradiation surface 120. The direction of one incident surface 102 and the direction of the second incident surface 104 are determined. The angle θ2 can be, for example, 82 °, and the angle θ1 can be, for example, 90 °.

  In the display device 10 configured as described above, the angle at which the light emitted from the second light emitting element 64 is refracted toward the irradiation surface 120 when passing through the second incident surface 104 is the first light emission. When the light emitted from the element 62 passes through the first incident surface 102, the light is refracted toward the irradiation surface 120 side. For this reason, although the second light emitting element 64 is arranged at a position farther from the irradiation surface 120 than the first light emitting element 62, the light emitted from the first light emitting element 62 and irradiated from the irradiation surface 120 is The difference between the amount of light and the amount of light emitted from the irradiation surface 120 and emitted from the second light emitting element 62 can be suppressed.

  FIG. 4 shows a prism 100 and a light emitting element of a display device 10 included in an image forming apparatus according to a second embodiment of the present invention. In the above-described first embodiment, the display device 10 has the first light emitting element 62 and the second light emitting element 64. On the other hand, in the second embodiment, the display device 10 has a third light emitting element 64 in addition to the first light emitting element 62 and the second light emitting element 64. The third light emitting element 64 emits light of a color different from the color of the light emitted by the first light emitting element and the color of the light emitted by the first light emitting element, for example, emits green light. As the third light emitting element 64, for example, an LED that emits green light can be used.

  In the second embodiment, the first light emitting element 62, the second light emitting element 64, and the third light emitting element 66 emit the same amount of light. Further, the second light emitting element 64 is disposed at a position farther from the irradiation surface 120 described later than the first light emitting element 62, and the third light emitting element 66 is described later than the second light emitting element 64. It is arranged at a position distant from the irradiation surface 120.

  In the second embodiment, the prism 100 has a third incident surface 106 in addition to the surfaces of the prism 100 according to the above-described first embodiment. The third incident surface 106 is a surface on which light emitted from the third light emitting element 66 is incident.

  Also in the second embodiment, in the prism 100, the length L1 at one end in the longitudinal direction is longer than the length L2 at the other end in the longitudinal direction. The first light emitting element 62, the second light emitting element 64, and the third light emitting element 66 are arranged on one end side of the prism 100 with respect to the prism 100.

  In the second embodiment, the angle θ2 on the inner side of the prism 100 where the second incident surface 104 forms the irradiation surface 120 is the angle θ1 on the inner side of the prism 100 where the first incident surface 102 forms the irradiation surface 120. And the direction of the first incident surface 102 and the direction of the second incident surface 104 such that the angle θ3 on the inner side of the prism 100 formed by the third incident surface 106 and the irradiation surface 120 becomes smaller than the angle θ2. And the direction of the third incident surface 106 is determined.

  In the display device 10 according to the second embodiment configured as described above, the light emitted from the second light emitting element 64 is refracted toward the irradiation surface 120 when passing through the second incident surface 104. The angle is larger than the angle at which the light emitted from the first light emitting element 62 is refracted toward the irradiation surface 120 when passing through the first incident surface 102, and the light emitted from the third light emitting element 66 The angle at which the light emitted from the second light emitting element 64 is refracted toward the irradiation surface 120 when the light emitted from the second light emitting element 64 passes through the second incident surface 104 is such that the angle at which the light is refracted toward the irradiation surface 120 when passing through the third incident surface 106 is used. Greater than the angle to do.

  For this reason, the second light emitting element 64 is disposed at a position farther from the irradiation surface 120 than the first light emitting element 62, and the third light emitting element 66 is closer to the irradiation surface 120 than the second light emitting element 64. Although located at a distance, the amount of light emitted from the first light emitting element 62 and emitted from the irradiation surface 120 and the amount of light emitted from the second light emitting element 62 and emitted from the irradiation surface 120 And the amount of light emitted from the third light emitting element 66 and emitted from the irradiation surface 120 can be suppressed.

  As described above, the present invention can be applied to, for example, image forming apparatuses such as a copying machine, a facsimile apparatus, and a printer, and a display device that can be used in these image forming apparatuses.

DESCRIPTION OF SYMBOLS 10 ... Display apparatus 10 ... Display apparatus 20 ... Display apparatus main body 60 ... Light emitting part 62 ... First light emitting element, 64 ... Second light emitting element, 66 ... First Three light emitting elements 100 Prism 102 First entrance surface 104 Second entrance surface 106 Third entrance surface 110 Reflection surface 120 Irradiation surface 900 .Image forming apparatus 910: Image forming apparatus main body

Claims (6)

A first light emitting unit,
A second light emitting unit,
The light emitted from the first light-emitting portion incident from the first incident surface and the light emitted from the second light-emitting portion incident from the second incident surface are respectively reflected using a reflective surface. A light guide member that refracts and irradiates the refracted light from an irradiation surface formed in a direction crossing the first incidence surface and the second incidence surface,
Has,
The second light emitting unit is disposed at a position farther from the irradiation surface than the first light emitting unit,
Wherein the light guide member inner side of the angle which the second plane of incidence formed between the irradiation surface, the rather smaller than the angle of the light guide member inner side of the first incident surface forms with the illuminated surface, and the second The angle at which the light emitted from the second light-emitting unit is refracted toward the irradiation surface when the light emitted from the second light-emitting unit passes through the second incident surface, the light emitted from the first light-emitting unit passes through the first incident surface. The display device is larger than the angle of refraction to the irradiation surface side when performing . The light guide member, the length of one end side is longer than the length of the other end side,
The display device according to claim 1, wherein the first light emitting unit and the second light emitting unit are arranged on the one end side of the light guide member. A plurality of light emitting units,
The light incident from a plurality of incident surfaces into each of which light is incident from one of the corresponding plurality of light emitting units is respectively refracted by using a reflection surface, and the refracted light is reflected by the plurality of incident surfaces. A light guide member for irradiating from an irradiation surface formed in a direction intersecting with the surface,
Has,
The plurality of light emitting units are arranged so that the distance from the irradiation surface is different from each other,
The angle formed by one of the plurality of incident surfaces between the irradiation surface and the inside of the light guide member is one of the plurality of incident surfaces corresponding to one of the plurality of light emitting units having a long distance from the irradiation surface. as rather small, and the angle of refraction in the irradiated surface side when the light emitted from one passing through the one of the incident surface of the plurality of light emitting portions, the distance from the irradiated surface is long plurality of A display device that is as large as one of the light emitting units. The light guide member, the length of one end side is longer than the length of the other end side,
4. The display device according to claim 3, wherein the plurality of light emitting units are arranged on the one end side of the light guide member, respectively. 5. An image forming apparatus main body;
A display device mounted on the image forming apparatus main body;
Has,
The display device,
A first light emitting unit,
A second light emitting unit,
The light emitted from the first light-emitting portion incident from the first incident surface and the light emitted from the second light-emitting portion incident from the second incident surface are respectively reflected using a reflective surface. A light guide member that refracts and irradiates the refracted light from an irradiation surface formed in a direction crossing the first incidence surface and the second incidence surface,
Has,
The second light emitting unit is disposed at a position farther from the irradiation surface than the first light emitting unit,
Wherein the light guide member inner side of the angle which the second plane of incidence formed between the irradiation surface, the rather smaller than the angle of the light guide member inner side of the first incident surface forms with the illuminated surface, and the second The angle at which the light emitted from the second light-emitting unit is refracted toward the irradiation surface when the light emitted from the second light-emitting unit passes through the second incident surface, the light emitted from the first light-emitting unit passes through the first incident surface. The image forming apparatus is larger than the angle at which the light is refracted toward the irradiation surface . An image forming apparatus main body;
A display device mounted on the image forming apparatus main body;
Has,
The display device,
A plurality of light emitting units,
Light incident from a plurality of incident surfaces into which light is incident from one of the corresponding plurality of light emitting units is respectively refracted by using a reflecting surface, and the refracted light is reflected by the plurality of incident surfaces. A light guide member for irradiating from an irradiation surface formed in a direction intersecting with the surface,
Has,
The plurality of light emitting units are arranged so that the distance from the irradiation surface is different from each other,
The angle formed by one of the plurality of incident surfaces between the irradiation surface and the inside of the light guide member is one of the plurality of incident surfaces corresponding to one of the plurality of light emitting units having a long distance from the irradiation surface. as rather small, and the angle of refraction in the irradiated surface side when the light emitted from one passing through the one of the incident surface of the plurality of light emitting portions, the distance from the irradiated surface is long plurality of An image forming apparatus that is as large as one of the light emitting units.

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