CN110322785A - Display device and displaying device - Google Patents
Display device and displaying device Download PDFInfo
- Publication number
- CN110322785A CN110322785A CN201910112660.1A CN201910112660A CN110322785A CN 110322785 A CN110322785 A CN 110322785A CN 201910112660 A CN201910112660 A CN 201910112660A CN 110322785 A CN110322785 A CN 110322785A
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- CN
- China
- Prior art keywords
- light
- guide plate
- light guide
- pattern
- emitting component
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
- G02B6/0015—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it
- G02B6/0018—Redirecting means on the surface of the light guide
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
- G02B6/0055—Reflecting element, sheet or layer
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07F—COIN-FREED OR LIKE APPARATUS
- G07F9/00—Details other than those peculiar to special kinds or types of apparatus
- G07F9/02—Devices for alarm or indication, e.g. when empty; Advertising arrangements in coin-freed apparatus
- G07F9/023—Arrangements for display, data presentation or advertising
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
Abstract
The present invention provides display device and shows device, and the display device can suitably set the light-emitting component illuminated to the pattern according to pattern to be shown.Display device includes light guide plate, being capable of display pattern；And lighting device, light guide plate are installed on the lighting device.Lighting device includes a plurality of light-emitting elements, and multiple light-emitting component is configured to opposed with the plane of incidence of light guide plate in the state of being mounted with light guide plate；At least one switch, by installing light guide plate, at least one switch connection or disconnection；And control unit, the control unit to set the light-emitting component to be lighted or lights pattern according to the combination of the switch of the connection at least one switch, light guide plate is formed as, in the state that light guide plate is installed in lighting device according to the plane of incidence mode opposed with a plurality of light-emitting elements, the multiple prism connects the combination of switch corresponding with pattern.
Description
Technical field
The present invention relates to the display device for using light guide plate display pattern and the displaying with such display device fills
It sets.
Background technique
In automatic vending machine, the commodity managed are replaced sometimes.When commodity are replaced, it is preferred that with this
Replace the amount of money for accordingly also changing commodity or advertisement corresponding with commodity etc..On the other hand, if any letter will be shown
The liquid crystal display etc. of breath is equipped on automatic vending machine, then the increased costs of automatic vending machine itself.Therefore, it is proposed to a kind of gold
Volume display device, the amount of money display device have: the 1st display unit, with light guide plate and light-emitting component, wherein the leaded light
Plate is formed with the 1st injection pattern on the face of a side, and the light-emitting component is from the reflecting surface incident light of light guide plate and makes light from the 1st
Pattern is projected to be projected forwards to be shown；With the 2nd display unit, the back side in light guide plate is configured, it is aobvious via light guide plate
Show that the light for projecting pattern based on the 2nd, the 1st and the 2nd display unit are configured to, in front when observation, is formed with the area of the 1st injection pattern
Domain and the 2nd injection region of pattern are Chong Die (for example, referring to patent document 1).
Further it is proposed that a kind of display device, which has illumination region, and the illumination region includes light guide plate,
The front surface of the price display unit for the selling price configured in display of commodity；Light is incident on to the rear end face of the extension of light guide plate
Warm colour LED element and cool colour LED element；And reflecting part, at least part by light of reflection light plate make
It is projected from the front surface of light guide plate to external (for example, referring to patent document 2).
Citation
Patent document 1: Japanese Unexamined Patent Publication 2017-182205 bulletin
Patent document 2: Japanese Unexamined Patent Publication 2015-36949 bulletin
In the above-described techniques, the light-emitting component actually lighted in a plurality of light-emitting elements such as LED element is set by operator.
Therefore, when operator mistakenly sets the light-emitting component to be lighted, there is the pattern being not intended to and be shown or to be not intended to
Color display of commodity information the case where.
Therefore, the object of the present invention is to provide can suitably be set according to pattern to be shown to the pattern into
The display device of the light-emitting component of row illumination.
Summary of the invention
As one embodiment of the present invention, display device is provided.The display device includes light guide plate, and the light guide plate is by saturating
Bright component is formed as plate, and a side is formed as the 1st plane of incidence, and the light guide plate can show the 1st pattern；And illumination
Device, light guide plate are installed on the lighting device.Lighting device includes a plurality of light-emitting elements, and multiple light-emitting component is configured to
It is mounted with opposed with the arbitrary side of light guide plate in the state of light guide plate；At least one switch, by installing light guide plate, this is extremely
A few switch connection or disconnection；And control unit, the control unit according at least one switch in connection switch combination
Set the light-emitting component to be lighted in a plurality of light-emitting elements or pattern is lighted in setting, the pattern of lighting indicates and main points
The time change of the related illuminating state of bright light-emitting component, light guide plate have multiple prisms and are formed as opening at least one
The combination of the Central Shanxi Plain, corresponding with the 1st pattern switch is connected, wherein the multiple prism edge on the face of a side of light guide plate
The 1st pattern arrangement, be installed in lighting device according to the 1st plane of incidence mode opposed with a plurality of light-emitting elements in light guide plate
Under state, the multiple prism issues the light-emitting component lighted from a plurality of light-emitting elements and is incident on from the 1st plane of incidence
Light in light guide plate is reflected and is projected from the face of another party of light guide plate.
By with above structure, the display device can suitably be set according to pattern to be shown to the pattern into
The light-emitting component of row illumination.
In the display device, it is preferred that at least one switch is according to whether being pressed and connecing on and off respectively
The switch switched between opening, and be configured to, in the side that light guide plate is opposed with a plurality of light-emitting elements according to the 1st plane of incidence
Formula is installed in opposed with the 1st plane of incidence of light guide plate in the state of lighting device, and the 1st plane of incidence of light guide plate has and makes at least
The shape that the combination of switch in one switch, corresponding with the 1st pattern is connected.
The display device is only by being installed on lighting device for light guide plate as a result, it will be able to suitably set to showing
The light-emitting component that is illuminated of pattern.
In addition, in the display device, it is preferred that another side of light guide plate is formed as the 2nd plane of incidence, light guide plate
It can also show the 2nd pattern, also, the light guide plate is formed as, make the 2nd plane of incidence and a plurality of light-emitting elements pair in light guide plate
The mode set is installed in the state of lighting device, makes the combination of at least one switch, corresponding with the 2nd pattern switch
It connects.
The display device can be shown not by changing its direction for being installed on lighting device to a light guide plate as a result,
Same pattern, and the light-emitting component illuminated to the pattern can be suitably set for each pattern to be shown.
Moreover it is preferred that the display device also has the 2nd lighting device, light guide plate is installed on the 2nd lighting device,
The side opposed with the 1st plane of incidence in the side of light guide plate is formed as the 2nd plane of incidence, and light guide plate can also show the 2nd pattern,
2nd lighting device includes a plurality of light-emitting elements, and multiple light-emitting component is configured in the state of being mounted with light guide plate with the 2nd
The plane of incidence is opposed；At least one switch, by installing light guide plate, at least one switch connection or disconnection；And control unit, it should
Control unit according at least one switch in connection switch combination come set in a plurality of light-emitting elements to be lighted shine
Element or it is related with the light-emitting component that this to be lighted light pattern, light guide plate has multiple prisms and is formed as making the 2nd
The combination of switch at least one switch possessed by lighting device, corresponding with the 2nd pattern is connected, wherein the multiple
Prism arranges on the face of a side of light guide plate along the 2nd pattern, in light guide plate according to the 2nd plane of incidence and the 2nd lighting device institute
The opposed mode of a plurality of light-emitting elements having is installed in the state of the 2nd lighting device, and the multiple prism makes from the 2nd
The light-emitting component lighted in a plurality of light-emitting elements possessed by lighting device is issued and is incident in light guide plate from the 2nd plane of incidence
Light is reflected and is projected from the face of another party of light guide plate.
The display device can show two patterns simultaneously as a result, and can be appropriate for each pattern to be shown
Ground sets the light-emitting component illuminated to the pattern.
In which case it is preferable that light guide plate has bending section, the bending between the 1st plane of incidence and the 2nd plane of incidence
Portion bend to it is prominent to the surface side of another party, formed the 1st pattern multiple prisms be arranged in bending section than in bending section
The heart is by the position of the 1st incident surface side, also, the multiple prisms for forming the 2nd pattern are arranged in bending section than in bending section
Position of the heart by the 2nd incident surface side.
It is different that the direction that the display device is capable of light guide plate according to the observation as a result, allows to visual pattern.
As another way of the invention, displaying device is provided.The displaying device includes mounting portion, mounting portion mounting
Show target object；And display device, in the front surface for showing target object, display device includes to be led the display device configurations
Tabula rasa, the light guide plate are formed as plate by transparent component, and a side is formed as the 1st plane of incidence, and the light guide plate is configured
The face of Cheng Yifang is opposed with target object is shown, and the light guide plate can show the 1st pattern；And lighting device, light guide plate
It is installed on the lighting device, lighting device includes a plurality of light-emitting elements, and multiple light-emitting component is configured to be mounted with light guide plate
In the state of it is opposed with the arbitrary side of light guide plate；At least one switch, by installing light guide plate, which is connect
On-off is opened；And control unit, the control unit set multiple hairs according to the combination of the switch of the connection at least one switch
The light-emitting component to be lighted or setting in optical element light pattern, and the pattern of lighting indicates and the luminous member to be lighted
The time change of the related illuminating state of part, light guide plate have multiple prisms and being formed as make at least one switch in, with
The combination of the corresponding switch of 1st pattern is connected, wherein the multiple prism is on the face of a side of light guide plate along the 1st pattern
Arrangement, in the state that light guide plate is installed in lighting device according to the 1st plane of incidence mode opposed with a plurality of light-emitting elements, institute
Multiple prisms are stated to issue from the light-emitting component lighted in a plurality of light-emitting elements and be incident in light guide plate from the 1st plane of incidence
Light is reflected and is projected from the face of another party of light guide plate.
By the way that with above structure, which can be according to displaying target object and pattern to be shown come suitably
Set the light source illuminated to the pattern.
Detailed description of the invention
Fig. 1 is the approximate stereogram for being equipped with the automatic vending machine of display device of an embodiment of the invention.
Fig. 2 is the approximate stereogram of display device.
Fig. 3 is the cross-sectional view for the lighting device that light guide plate is installed in the state of lighting device.
(a) of Fig. 4 is the figure for showing an example referring to table.(b)~(d) is that the shape of the plane of incidence is shown respectively and to light
Light-emitting component combination between relationship an example figure.
Fig. 5 is the partial enlarged view for being observed from the front a part of light guide plate.
Fig. 6 is the diagrammatic, side cross-sectional view of the light guide plate of the line shown in the arrow AA' of Fig. 5.
Fig. 7 be according to variation, show the pattern being formed on light guide plate position and the light-emitting component to be lighted it
Between positional relationship an example figure.
Fig. 8 is the figure for showing an example of the reference table according to variation.
Fig. 9 is according to variation, shows another figure of the pattern being formed on light guide plate.
Figure 10 is the figure according to another variation, an example for showing reference table.
(a) and (b) of Figure 11 is the general principal view according to the light guide plate of another variation.
(a) of Figure 12 is according to the approximate stereogram of the display device of another variation, is (b) according to another variation
The general principal view of display device.
Label declaration
100: automatic vending machine；
110: shell；
111: store shelf；
112: select button；
113: currency input port；
114: commodity take-out port；
115: change returing mouth；
121,121a: display device；
131: commodity original；
11: light guide plate；
11a, 11d: the plane of incidence；
11b: scattering surface；
11c: outgoing plane；
11e: bending section；
12,12-1,12-2: lighting device；
13: shell；
13a: insert port；
14-1~14-n: light-emitting component；
15-1~15-m: tact switch；
16: control unit；
21,21-1,21-2: pattern；
22: prism；
22a: reflecting surface.
Specific embodiment
Hereinafter, being illustrated referring to display device of the attached drawing to embodiment according to the present invention.The display device is formed
For plate, there is light guide plate on the face of a side and the lighting device of light guide plate is installed, wherein the light guide plate will be in it
The light that portion propagates is reflected towards observer side and is provided with along pattern to be shown (being sometimes referred to simply as display pattern below)
Multiple prisms of arrangement.Insert port is formed on lighting device, one end of the incident surface side of light guide plate is inserted into this and inserts into the mouth,
A plurality of light-emitting elements and multiple tact switch (tactile switch) are equipped in the insert port, wherein the multiple luminous member
Part is configured to opposed with the plane of incidence of light guide plate, and the multiple tact switch is configured to opposed with the plane of incidence of light guide plate.
Moreover, one end of the incident surface side of light guide plate is formed as, and when light guide plate is inserted into the insert port of lighting device and is mounted, root
Any one in multiple tact switch is pressed according to the display pattern formed on light guide plate.Then, lighting device is according to multiple touchings
Feel that the combination for the tact switch being pressed in switch is lighted to set the light-emitting component to be lighted in a plurality of light-emitting elements and expression
The time change of state lights pattern.The display device can suitably be set according to pattern to be shown to this as a result,
The light-emitting component that pattern is illuminated.
In addition, in the following contents, for ease of description, if the side opposed with observer is front, opposite side
For the back side.
Fig. 1 is the approximate stereogram for being equipped with the automatic vending machine of display device of an embodiment of the invention.From
Dynamic vending machine 100 is an example for showing device, with shell 110 and multiple display devices 121, wherein the shell 110 has
There are three layers of store shelf 111 of the top half that front surface is set, the downside of each of store shelf 111 is set
Multiple select buttons 112, front surface is set currency input port 113, be arranged in front surface downside commodity take-out port
114 and change returing mouth 115, the multiple display device 121 front surface of each of store shelf 111 is set.
In addition, store shelf 111 is an example for loading the mounting portion for showing target object.In addition, in automatic vending machine 100
The preservation library of the commodity of 131 identical type of commodity original displayed on preservation and store shelf 111 is included inside shell 110
(not shown), conveying mechanism (not shown) and the control automatic vending that commodity are transported to commodity take-out port 114 from preservation library
The whole control circuit (not shown) of machine 100.The sensor for the currency that control circuit and identification are put into from currency input port 113 connects
Connect and control conveying mechanism so that if the amount of money of input currency be more than or equal to observed person in select button 112 (
It is the user of automatic vending machine 100 in the example) amount of money of the corresponding commodity of select button pressed, then by the commodity from preservation
Library is delivered to commodity take-out port 114.In addition, when the amount of money of input currency is greater than quotient corresponding to the select button being pressed
When the amount of money of product, the difference of the amount of money of input currency and the amount of money of the commodity is returned to change returing mouth by control circuit
115。
Multiple display devices 121 are able to show for the commodity original 131 being placed on store shelf 111 as follows
Pattern, the pattern are displayed on the front surface of commodity original 131, are respectively applied for the advertisement of commodity original 131.In addition, each aobvious
Showing device 121 can show identical pattern, can also show mutually different pattern.
Fig. 2 is the approximate stereogram of display device 121.In addition, Fig. 3 is that light guide plate is installed in the state of lighting device
The cross-sectional view of lighting device.Due to the structure all having the same of display device 121, a display device is carried out below
Explanation.
As shown in Figures 2 and 3, display device 121 has light guide plate 11 and lighting device 12.In addition, lighting device 12 has
Have: shell 13；A plurality of light-emitting elements 14-1~14-n (wherein, n be 2 or more integer)；At least one tact switch 15-1~
15-m (wherein, m is 1 or more integer, in the example shown in the series of figures, m=3)；And control unit 16.A plurality of light-emitting elements 14-1~
14-n, at least one tact switch 15-1~15-m and control unit 16, which are for example mounted on the substrate being set in shell 13, (does not scheme
Show) on.Also, the signal wire of each light-emitting component and each tact switch on substrate is connect with control unit 16.
Light guide plate 11 is created as the portion of the plate transparent relative to the light issued from a plurality of light-emitting elements 14-1~14-n
Part.For example, light guide plate 11 by polymethyl methacrylate (PMMA), polycarbonate, cyclic olefin polymer etc., relative to can
Light-exposed transparent resin forming and formed.In the present embodiment, light guide plate 11 is in the state of being installed on lighting device 12
Match substantially in parallel in the front-surface side for the commodity original 131 being set on store shelf 111 and the front surface of shell 110
It sets.As described above, being equipped with pattern 21 on light guide plate 11, the corresponding member that shines in light-emitting component 14-1~14-n can be utilized
Part is lighted to show the pattern 21.That is, being led during the corresponding light-emitting component in light-emitting component 14-1~14-n is lighted
Tabula rasa 11 propagate the light for the light-emitting component lighted from this inside it and formed using overleaf side, to form pattern
Multiple prisms (will be described in later) that 21 mode arranges reflect the light towards the observer for being located at face side, thus
The pattern 21 that observer can visually shine.Further, since light guide plate 11 is transparent component, therefore, for being located at automatic vending
The observer of the face side of machine 100, pattern 21 and the commodity original 131 for the back side for being located at light guide plate 11 are overlappingly shown.
In addition, will be described in light guide plate 11 later.
The shell 13 of lighting device 12 is formed as rectangular shape, is formed on a face for installing light guide plate wherein
11 insert port 13a.It will be led and one end of the side plane of incidence 11a of light guide plate 11 is inserted into the innermost portion of insert port 13a
Tabula rasa 11 is installed on lighting device 12.
Light-emitting component 14-1~14-n is to issue the element of visible light, such as can be light emitting diode respectively.In this reality
It applies in mode, in the state that light guide plate 11 is installed in lighting device 12, each light-emitting component is configured to along plane of incidence 11a
Length direction be arranged in a column so that the plane of incidence of the light-emitting surface of each light-emitting component and one of side wall as light guide plate 11
11a is opposed.The light that each of light-emitting component 14-1~14-n issues can be white light, or be also possible to red, blue,
Yellow etc. has the light of particular color.In the present embodiment, light-emitting component 14-1~14-n is classified into the rule being configured adjacently
Each group of fixed number amount, each group, the light that issues comprising each light-emitting component in this set mutually different color.For example,
In Fig. 3, each group from from left to right according to the light-emitting component, the light-emitting component for issuing red light, sending sodium yellow for issuing white light
Light-emitting component, issue green light light-emitting component, issue blue light light-emitting component sequence arrangement.In addition, each luminous member
The configuration of part is not limited to the example, and a plurality of light-emitting elements that also can be configured to issue the light of same color are adjacent to each other.
Light-emitting component 14-1~14-n is lighted or is extinguished according to the control signal from control unit 16.Also, control unit
16 during lighting any one light-emitting component in light-emitting component 14-1~14-n, the light warp issued from the light-emitting component
It is incident in light guide plate 11 by plane of incidence 11a, after propagating in light guide plate 11, is arranged on dissipating for the back side of light guide plate 11
It penetrates multiple prismatic reflections on face (Expansion dissipates face) 11b, forming pattern 21 and is projected from the outgoing plane 11c of face side.
Tact switch 15-1~15-m is configured in the insert port 13a of lighting device 12, is mounted in light guide plate 11
It is opposed with the plane of incidence 11a of light guide plate 11 in the state of lighting device 12.In the present embodiment, tact switch 15-1~
15-m is configured to be arranged in a column along the length direction of plane of incidence 11a around light-emitting component 14-1~14-n.Then,
In the state that light guide plate 11 is installed in lighting device 12, using in tact switch 15-1~15-m have and be formed in leaded light
The plane of incidence 11a of the corresponding shape of pattern on plate 11, presses tact switch corresponding with the pattern and is turned on (on).So
Afterwards, the tact switch having been turned on will indicate that the signal having been turned on is exported to control unit 16.For example, in the example depicted in fig. 3, benefit
Tact switch 15-1 and tact switch 15-2 are pressed with the plane of incidence 11a of light guide plate 11 and are turned on.On the other hand, tactile is opened
Close the state that 15-3 was not pressed and remained open (off).In addition, each tact switch also may be constructed are as follows: what is be not pressed
It connects under state, is disconnected and being pressed.
Control unit 16 has processor and nonvolatile semiconductor memory, for controlling the light-emitting component of lighting device 12
14-1~14-n's lights and extinguishes.In the present embodiment, control unit 16 is according to having connect in light-emitting component 14-1~14-n
Logical tact switch combines to determine the light-emitting component to be lighted and light pattern.
Thus, for example, the group for indicating the tact switch to be connected is stored in advance in the semiconductor memory of control unit 16
The combination for the light-emitting component for closing and being lighted and the reference table for lighting pattern.Control unit 16 referring to table referring to determining from each touching
Feel represented by the signal that receives of switch, the combination of light-emitting component corresponding with the combination of the tact switch to be connected and light
Pattern.Then, control unit 16 makes respectively to send out included in the combination for the light-emitting component determined according to the pattern of lighting determined
Optical element is lighted.
(a) of Fig. 4 is the figure for showing an example referring to table.Tact switch 15- is indicated referring to the leftmost column in table 400
The on/off of 1 (for convenience's sake, being expressed as switch A).Equally, tact switch is indicated referring to the column of left number the 2nd of table 400
The on/off of 15-2 (for convenience's sake, being expressed as switch B) indicates tact switch referring to left several third column of table 400
The on/off of 15-3 (for convenience's sake, being expressed as switch C).In addition, the column of right number the 2nd referring to table 400 indicate to light
Light-emitting component combination and light pattern.Also, to show on light guide plate 11 is set referring to the expression of the column of the right end of table 400
The pattern shown.In addition, the column of right end also can be omitted.As shown in reference table 400, in this example, the light-emitting component to be lighted
It is different according to the combination for the tact switch pressed to be configured to its illuminant colour.
For example, as shown in (b) of Fig. 4, when pattern 21 is " cool~(つ め~い) ", the plane of incidence of light guide plate 11
11a has the shape that tact switch 15-1 is connected and tact switch 15-2,15-3 are disconnected.Therefore, in referring to table 400, as above
Shown in the 2nd row of number, control unit 16 keeps making the light-emitting component of sending cool colour light in light-emitting component 14-1~14-n point always
State that is bright and making other light-emitting components extinguishings.In addition, as shown in (c) of Fig. 4, when pattern 21 is " replacement commodity (も う at once
The ぐ product replace え) " when, there is the plane of incidence 11a of light guide plate 11 tact switch 15-1 to disconnect and tact switch 15-2,15-3 are connected
Shape.Therefore, in referring to table 400, shown in the following column of number the 2nd, the holding of control unit 16 makes in light-emitting component 14-1~14-n
Sending green light light-emitting component flashing and the state that extinguishes other light-emitting components.In addition, working as figure as shown in (d) of Fig. 4
When case 21 is " new commodity (new commodity) ", the plane of incidence 11a of light guide plate 11 has the shape of whole tact switch connections.Therefore,
In referring to table 400, such as most following shown, control unit 16 can be such that whole light-emitting component 14-1~14-n light always.
Hereinafter, being illustrated to the details of light guide plate 11.
Fig. 5 is the partial enlarged view for being observed from the front a part of light guide plate 11.In addition, Fig. 6 is the arrow AA' institute of Fig. 5
The line shown, light guide plate 11 diagrammatic, side cross-sectional view.As shown in Figure 5 and Figure 6, a side of light guide plate 11 and the member that shines
Part 14-1~14-n is opposed and is formed as being incident on the light issued from light-emitting component 14-1~14-n in light guide plate 11
Plane of incidence 11a.
In addition, plane of incidence 11a and each tact switch are also right in the state that light guide plate 11 is installed in lighting device 12
It sets.Therefore, as shown in (d) of (b) of Fig. 4~Fig. 4, in the state that light guide plate 11 is installed in lighting device 12, the plane of incidence
11a is formed as, and presses the tact switch corresponding with the pattern 21 being formed on light guide plate 11 in tact switch 15-1~15-m.
In addition, plane of incidence 11a, opposed with the tact switch that do not press in tact switch 15-1~15-m part be formed as notch
Shape.Therefore, only right with pattern 21 in tact switch 15-1~15-m when light guide plate 11 is installed in lighting device 12
The tact switch answered is pressed.Therefore, only by the way that light guide plate 11 is installed on lighting device 12, lighting device 12 can be according to
With pattern 21 it is corresponding light pattern make it is in light-emitting component 14-1~14-n, corresponding with the pattern 21 that is formed on light guide plate 11
Light-emitting component light.
In addition, according to variation, plane of incidence 11a can also be formed as, so that with being pressed in tact switch 15-1~15-m
Under other parts of the opposed part of tact switch than plane of incidence 11a it is prominent more towards tact switch side.In this case, and
Only in tact switch 15-1~15-m, corresponding with pattern 21 tact switch is pressed.
The light of the light-emitting component lighted come in self-emission device 14-1~14-n is incident on light guide plate 11 from plane of incidence 11a
Inside.Then, after the inside of light guide plate 11 is propagated, the light from the light-emitting component lighted is formed on and is located at
After multiple prisms 22 on the scattering surface 11b of the back side of light guide plate 11 are totally reflected, simultaneously from the face side positioned at light guide plate 11
And the outgoing plane 11c opposed with scattering surface 11b is projected.Multiple prisms 22 are arranged along pattern 21 to form pattern 21.Therefore, exist
During light-emitting component corresponding with pattern 21 is lighted, observer can be visually in the luminous and visible pattern in the front of light guide plate 11
21.In addition, in fig. 5 and fig., in order to improve the legibility of attached drawing, it should be noted that the size and light guide plate 11 of each prism 22
Thickness be exaggerated.
Multiple prisms 22 in pattern 21 to be serrated, the configuration density of clathrate or prism is permanent in pattern 21
Fixed mode random arrangement.In addition, in the case that light and shade is set in pattern 21, it can also be for each position in pattern 21
The configuration density for adjusting prism 22, so that the configuration density of the prism 22 of the brighter part in pattern 21 is bigger.
Each of multiple prisms 22 is for example formed to have the roughly triangular shape of specific length on scattering surface 11b
Slot.Specific length is set so as to configure the length of the degree of multiple prisms for pattern 21, such as is set to tens μm
~several hundred μm or so.Also, each of multiple prisms 22 is with reflecting surface 22a, and reflecting surface 22a is relative to scattering surface 11b
In predetermined angular (hereinafter referred to as tilt angle), light in light guide plate 11, from corresponding light-emitting component will be incident on and be all-trans
It penetrates and projects it from outgoing plane 11c.
The inclination angle alpha for forming the reflecting surface 22a of each prism 22 of pattern 21 is set to such as 30 °~50 °, so that working as
The light that observer is reflected from the face side of automatic vending machine 100 when automatic vending machine 100, by each prism 22 is towards observer
A side.
In addition, each of multiple prisms 22 is configured to, and on the face parallel with scattering surface 11b, reflecting surface 22a face
Any one of light-emitting component corresponding with pattern 21 in light-emitting component 14-1~14-n.
The each of multiple prisms 22 is configured in this way, and each prism 22 can make from the light of plane of incidence 11a incidence, next
The light of corresponding light-emitting component in self-emission device 14-1~14-n occurs to reflect so that it is towards the front side of light guide plate 11
To.On the other hand, even if assuming from such as stray light of the light other than light-emitting component in the light of plane of incidence 11a incidence, corresponding
It is reflected by prism 22, is projected from outgoing plane 11c with forming biggish angle also relative to outgoing plane 11c, it is therefore, guide-lighting from being located at
The positive observer of plate 11 is difficult to observe by the light.Therefore, only during corresponding light-emitting component is lighted, display device
121 can be to observer's display pattern 21.
As being illustrated above, in the display device, the light guide plate of pattern shown on light guide plate is formed
The plane of incidence there is the shape by tact switch corresponding with the pattern in multiple tact switch possessed by lower lighting device.Cause
This, only by the way that light guide plate is installed on lighting device, tact switch corresponding with the pattern being formed on the light guide plate is pressed,
Lighting device lights light-emitting component corresponding to the tact switch being pressed.Therefore, which can be according to will show
Pattern suitably set the light-emitting component illuminated to the pattern.
In addition, according to variation, it can also be according to the shape of the plane of incidence of light guide plate, that is, opened according to the tactile pressed
The combination of pass only sets the combination of the light-emitting component to be lighted and lights the either side in pattern, and then pre- for another party
First it is set to unrelated with the combination for the tact switch pressed.
Alternatively, the position for the pattern being formed on light guide plate can also be different according to the difference of pattern.In this case, according to
Bright device can also be such that the light-emitting component of different location lights according to the position of pattern.
Fig. 7 is according to the variation, shows the position for the pattern being formed on light guide plate 11 and the luminous member to be lighted
The figure of an example of the positional relationship between part.In the variation, for each light guide plate 11, the figure being formed on light guide plate 11
The different location on the length direction (horizontal direction in figure) of plane of incidence 11a is arranged in the position of case 21.For example, such as figure institute
Show, on a light guide plate, pattern 21 is formed near the center on the length direction of plane of incidence 11a.In this case, only lighting
Light-emitting component included in group 141 in light-emitting component 14-1~14-n, near center.In addition, in another leaded light
On plate, pattern 21 is formed in the position that left side is leaned in the center on the length direction than plane of incidence 11a.In this case, only putting brighten the hair
It is in optical element 14-1~14-n, positioned at than center by left side group 142 included in light-emitting component.In the variation
In, also according to the tact switch pressed by the light guide plate 11 being inserted in lighting device 12 combination come set to be lighted shine
Element.
Fig. 8 is the figure for showing an example of the reference table according to the variation.In referring to table 800, in addition to the list of right end
It is identical as reference table 400 shown in Fig. 4 other than the combination of the position of diagram case and the light-emitting component to be lighted is different.In addition,
In referring to table 800, the column of right end also be can be omitted.
For example, when pattern 21 is formed in left side on light guide plate 11, as shown in the 2nd row of number on reference table 800, light guide plate
11 plane of incidence 11a is formed so that tact switch 15-1 is connected, and tact switch 15-2,15-3 are disconnected.Therefore, control unit 16
Keep make it is in light-emitting component 14-1~14-n, from left side successively issue specified quantity (being in this example 5) red
The state of other light-emitting components extinguishings is lighted always and made to the light-emitting component of light.In addition, when pattern 21 is formed on light guide plate 11
Near center and when right side, as referring to shown in the lower column of number the 2nd of table 800, the plane of incidence 11a of light guide plate 11 is formed so that tactile
Switch 15-1 is disconnected, and tact switch 15-2,15-3 are connected.Therefore, the holding of control unit 16 makes in light-emitting component 14-1~14-n
, the light-emitting component of red light for successively issuing from right side specified quantity (being in this example 9) lights always and makes it
The state that its light-emitting component extinguishes.In addition, when pattern 21 is formed on light guide plate 11 throughout entire surface, such as referring to table 800
Most following shown, the plane of incidence 11a of light guide plate 11 is formed so that whole tact switch are connected.Therefore, the holding of control unit 16 makes
Whole light-emitting components in light-emitting component 14-1~14-n, issuing red light are lighted always and extinguish other light-emitting components
State.
In addition, control unit 16 also can control each light-emitting component so that issue the light-emitting component of the light of different colours according to
The position of pattern and light.For example, it can be when the left side of light guide plate 11 forms pattern 21, control unit 16 makes setting exist
Light-emitting component on position identical with the position of the pattern on the length direction of plane of incidence 11a, issuing blue light is lighted,
On the other hand, when the right side of light guide plate 11 forms pattern 21, control unit 16 makes to be arranged on the length direction of plane of incidence 11a
Light-emitting component on position identical with the position of the pattern, issuing red light is lighted.
In addition, the pattern 21 being formed on light guide plate 11 also can have multiple sub-patterns according to another variation.So
Afterwards, each light-emitting component is also controlled according to the combination for the tact switch pressed lights pattern, to change in multiple sub-patterns
The sequence of glittering visible sub-pattern.
Fig. 9 is according to the variation, shows another figure of the pattern being formed on light guide plate 11.In the variation
In, the pattern 21 being formed on light guide plate 11 includes sub-pattern 211-1~211-s (s is 2 or more integer).In this case,
Identically as above embodiment, can be arranged for each sub-pattern along the subgraph on the scattering surface 11b of light guide plate 11
Multiple prisms 22 of case arrangement.And it is possible to each sub-pattern is directed to, according to the reflection of each prism arranged along the sub-pattern
The mode of corresponding light-emitting component in the face light-emitting component 14-1~14-n of face forms each prism.Therefore, control unit 16 is logical
Crossing successively changes the light-emitting component to be lighted, can successively show any one in sub-pattern 211-1~211-s.Therefore,
Display device 121 is able to carry out the such presentation of animation.
Figure 10 is the figure for showing an example of the reference table according to the variation.In referring to table 1000, in addition to from right end
Pattern is lighted in 2nd column expression, the column of right end indicate to light the content of pattern and light pattern to indicate lighting for each light-emitting component
It is identical as reference table 400 shown in Fig. 4 other than sequence.In addition, the column of right end also can be omitted in referring to table 1000.
In this example, as pattern is lighted, as long as showing the luminous member to be lighted in light-emitting component 14-1~14-n
The sequence of part.For example, as pattern is lighted, as long as showing the identification of each light-emitting component according to each sequence to be lighted
Number.Then, control unit 16 can according to this sequence, it is each periodically between successively light each light-emitting component.In addition, point
It also may include in bright pattern during each light-emitting component lights.In this case, control unit 16 can be only by lighting pattern
Light each light-emitting component in during showing.In addition, control unit 16 can also be inserted in lighting device 12 according to basis
The combination setting of the tact switch pressed of light guide plate 11 light pattern repeatedly and light each light-emitting component.
In addition, in another variation multiple patterns can also be formed on a light guide plate.Also, it can also be to every
The not ipsilateral of light guide plate is formed as the plane of incidence by a pattern.
(a) of Figure 11 and (b) of Figure 11 are the general principal views according to the light guide plate of the variation.In the variation,
Two patterns 21-1,21-2 are formed on light guide plate 11.Also, two in the side of light guide plate 11 are respectively formed as the plane of incidence
11a,11d.As shown in (a) of Figure 11, in display pattern 21-1, according to plane of incidence 11a and light-emitting component 14-1~14-n and
Light guide plate 11 is installed on lighting device 12 by tact switch 15-1~15-m opposed mode.On the other hand, such as (b) institute of Figure 11
Show, it is opposed with light-emitting component 14-1~14-n and tact switch 15-1~15-m according to plane of incidence 11d in display pattern 21-2
Mode light guide plate 11 is installed on lighting device 12.Also, identical as above embodiment, plane of incidence 11a is formed, and presses
The light-emitting component and tact switch corresponding with pattern is lighted to be lighted down so that in light-emitting component 14-1~14-n with figure
The corresponding light-emitting component of case 21-1 is lighted according to corresponding pattern of lighting.For example, plane of incidence 11a is formed, in light guide plate
In the state that 11 are installed in lighting device 12 according to the plane of incidence 11a mode opposed with each tact switch and each light-emitting component,
Plane of incidence 11a presses tact switch 15-1 and tact switch 15-3.In addition, plane of incidence 11d is formed, light guide plate 11 according to
In the state that mode plane of incidence 11d opposed with each tact switch and each light-emitting component is installed in lighting device 12, the plane of incidence
11d presses whole tact switch.
In addition, in the variation, can also distinguish on the scattering surface 11b of light guide plate 11 for pattern 21-1,21-2
Form the multiple prisms 22 arranged along the pattern.Also, its reflecting surface is configured to along each prism that pattern 21-1 is arranged
Towards plane of incidence 11a.The mode opposed with each tact switch and each light-emitting component according to plane of incidence 11a when light guide plate 11 as a result,
When being installed in lighting device 12, along each prism of pattern 21-1 arrangement by the light from corresponding light-emitting component towards just
Surface side reflection, therefore display pattern 21-1.
Equally, its reflecting surface is configured to towards plane of incidence 11d along each prism that pattern 21-2 is arranged.As a result, when leading
Tabula rasa 11 when being installed in lighting device 12 according to the plane of incidence 11d mode opposed with each tact switch and each light-emitting component,
Along each prism of pattern 21-2 arrangement by the light from corresponding light-emitting component towards front lateral reflection, therefore display pattern
21-2。
According to the variation, display device only passes through the direction that change is installed on the light guide plate of lighting device, it will be able to aobvious
Show different patterns, and can suitably set the light-emitting component to be lighted according to pattern to be shown.In addition, in the change
In shape example, the quantity of pattern to be shown is also possible to three or four.Also, can also be to each pattern to be shown, it will
The not ipsilateral of light guide plate is formed as the plane of incidence corresponding with the pattern.
In addition, display device can also there are two illuminations to have across the opposed mode of light guide plate according to another variation
Device.
(a) of Figure 12 is according to the approximate stereogram of the display device of the variation, and (b) of Figure 12 is according to the variation
Display device general principal view.In the variation, display device 121a has light guide plate 11 and two lighting device 12-
1,12-2.In addition, two lighting devices 12-1,12-2 be configured to it is identical with the lighting device 12 in above embodiment
Structure.
In the variation, pattern 21-1,21-2 there are two being formed on light guide plate 11.In addition, light guide plate 11 is each other
Two opposed sides are respectively formed as the plane of incidence 11a, 11d.Also, according to each hair of plane of incidence 11a and lighting device 12-1
Light guide plate 11 is installed on lighting device 12-1 by optical element and the opposed mode of each tact switch.In addition, according to plane of incidence 11d with
Light guide plate 11 is installed on lighting device 12-2 by the mode that each light-emitting component and each tact switch of lighting device 12-2 are opposed.
In addition, plane of incidence 11a is formed as so that light in each tact switch of lighting device 12-1 with 21-1 pairs of pattern
The combination of the tact switch for the light-emitting component answered is pressed.Equally, plane of incidence 11d is formed as, so that lighting lighting device 12-2
Each tact switch in the combination of tact switch of light-emitting component corresponding with pattern 21-2 be pressed.In addition, along pattern
Each prism of 21-1 arrangement is configured to its reflecting surface towards plane of incidence 11a.Equally, each prism quilt arranged along pattern 21-2
It is arranged to its reflecting surface towards plane of incidence 11d.
Therefore, the light issued from light-emitting component in each light-emitting component of lighting device 12-1, corresponding with pattern 21-1
Be incident in light guide plate 11 from plane of incidence 11a, each prismatic reflection that incident light is arranged along pattern 21-1 and from front
The outgoing plane 11c of side is projected.Therefore, observer being capable of visual pattern 21-1.Equally, from each light-emitting component of lighting device 12-2
In, light that corresponding with pattern 21-2 light-emitting component issues be incident in light guide plate 11 from plane of incidence 11d, incident light quilt
It is projected along each prismatic reflection of pattern 21-2 arrangement from the outgoing plane 11c of face side.Therefore, observer also being capable of eye diagram
Case 21-2.
In addition, in the variation, light guide plate 11 is bent between plane of incidence 11a and plane of incidence 11d towards face side
Protrusion, that is, prominent to the side outgoing plane 11c.Also, in bending section 11e, the side plane of incidence 11a is leaned at the center than bending section 11e
Each prism to form pattern 21-1 is arranged in the position of (downside in (b) of Figure 12), on the other hand, than bending section 11e's
Each prism to form pattern 21-2 is arranged by the position of the side plane of incidence 11d (upside in (b) of Figure 12) in center.Therefore, from entering
The face 11a of penetrating is incident on the light in light guide plate 11 and being patterned each prismatic reflection of 21-1 from front downward from light guide plate
11 outgoing plane 11c is projected.This is because being patterned each prismatic reflection of 21-1 and relative to light upward
The angle of outgoing plane 11c is smaller, which is emitted face 11c total reflection without projecting from light guide plate 11.Equally, from plane of incidence 11d
The light of each prismatic reflection of 21-2 is incident in light guide plate 11 and is patterned from front penetrating from light guide plate 11 upward
Appear 11c injection.Therefore, according to the variation, the direction that display device can observe light guide plate 11 according to the observation changes energy
Enough visual patterns.In addition, by being formed as being bent light guide plate 11 flexure of light guide plate 11 can be made to a certain degree, therefore
It is easy to for light guide plate 11 being installed on each of two lighting devices.
In above embodiment or each variation, lighting device also can be set it is other switch to replace tact switch,
Other switches are for determining the pattern being formed on the light guide plate by the insertion of light guide plate.For example, it is also possible to use
Photoelectric sensor is as such switch.In this case, each photoelectric sensor can also be for example with following light source and light member
Part, the light source and light receiving element are arranged to right each other across light guide plate 11 in the state that light guide plate 11 is installed on lighting device
It sets.Each photoelectric sensor is exported to control unit 16 indicates the disconnection when light receiving element can be received from the light of corresponding light source
Signal, and indicate the letter connected when light receiving element cannot be received from the light of corresponding light source to the output of control unit 16
Number.
About light guide plate 11, in the state that light guide plate 11 is installed in lighting device, in order to enable for be connected
Photoelectric sensor does not reach light receiving element from the light of light source, such as in the position of the photoelectric sensor, in scattering surface 11b or penetrates
At least any one party appeared in 11c is equipped with the mask (mask) of the light of light source of the masking from photoelectric sensor.As a result, with it is upper
It is identical to state embodiment, by the way that light guide plate is installed on lighting device, display device can be according to pattern to be shown come appropriate
Ground sets the light-emitting component illuminated to the pattern.In addition, in this example, independently making with the pattern formed on light guide plate
The shape of the plane of incidence is identical, replaces, and only upper in defined position that mask is arranged, therefore, the manufacture of light guide plate becomes
It is easy.
The display device of above embodiment or variation can also be installed on the dress of the various displayings other than automatic vending machine
It sets.
In this way, those skilled in the art can make various changes according to embodiment within the scope of the invention.
Claims (6)
1. a kind of display device, includes
Light guide plate, the light guide plate are formed as plate by transparent component, and a side is formed as the 1st plane of incidence, and the leaded light
Plate can show the 1st pattern；With
Lighting device, the light guide plate are installed on the lighting device,
The lighting device includes
A plurality of light-emitting elements, multiple light-emitting component be configured in the state of being mounted with the light guide plate with the light guide plate
Arbitrary side is opposed；
At least one switch, by installing the light guide plate, at least one switch connection or disconnection；And
Control unit, the control unit set the multiple shine according to the combination of the switch of the connection at least one described switch
The light-emitting component to be lighted or setting in element light pattern, and the pattern of lighting indicates and the light-emitting component to be lighted
The time change of related illuminating state,
The light guide plate has multiple prisms and is formed as making at least one described switch, corresponding with the 1st pattern
Switch combination connect, wherein the multiple prism on the face of a side of the light guide plate along the 1st pattern arrange
Column, are installed in the illumination according to the 1st plane of incidence mode opposed with the multiple light-emitting component in the light guide plate
In the state of device, the multiple prism issues the light-emitting component lighted from the multiple light-emitting component and from described the
1 plane of incidence is incident on the reflection of the light in the light guide plate and projects from the face of another party of the light guide plate.
2. display device according to claim 1, wherein
At least one described switch be respectively according to whether the switch for being pressed and being switched between switching on and off, and
It is configured to: being installed in institute according to the 1st plane of incidence mode opposed with the multiple light-emitting component in the light guide plate
It is opposed with the 1st plane of incidence of the light guide plate in the state of stating lighting device,
The 1st plane of incidence of the light guide plate, which has, making at least one described switch, corresponding with the 1st pattern to be opened
The shape that the combination of pass is connected.
3. display device according to claim 1 or 2, wherein
Another side of the light guide plate is formed as the 2nd plane of incidence, and the light guide plate can also show the 2nd pattern, and institute
It states light guide plate to be formed as, be pacified in the light guide plate according to the 2nd plane of incidence mode opposed with the multiple light-emitting component
In the state of the lighting device, the light guide plate makes at least one described switch, corresponding with the 2nd pattern
The combination of switch is connected.
4. display device according to claim 1, wherein
The display device also has the 2nd lighting device, and the light guide plate is installed on the 2nd lighting device,
The side opposed with the 1st plane of incidence in the side of the light guide plate is formed as the 2nd plane of incidence, and the light guide plate is also
It can show the 2nd pattern,
2nd lighting device includes
A plurality of light-emitting elements, multiple light-emitting component are configured to incident with the described 2nd in the state of being mounted with the light guide plate
Face is opposed；
At least one switch, by installing the light guide plate, at least one switch connection or disconnection；And
Control unit, the control unit set the multiple shine according to the combination of the switch of the connection at least one described switch
The light-emitting component to be lighted in element or it is related with the light-emitting component that this to be lighted it is described light pattern,
The light guide plate has multiple prisms and is formed as making at least one described switch possessed by the 2nd lighting device
In, the combination of corresponding with the 2nd pattern switch connects, wherein the multiple prism in the light guide plate described one
It is arranged on the face of side along the 2nd pattern, in the light guide plate according to the 2nd plane of incidence and the 2nd lighting device institute
The opposed mode of the multiple light-emitting component having is installed in the state of the 2nd lighting device, the multiple prism
So that the light-emitting component lighted from the multiple light-emitting component possessed by the 2nd lighting device issues and from the described 2
The plane of incidence is incident on the reflection of the light in the light guide plate and projects from the face of described another party of the light guide plate.
5. display device according to claim 4, wherein
The light guide plate has bending section between the 1st plane of incidence and the 2nd plane of incidence, which bends to institute
The surface side for stating another party is prominent, and the multiple prism for forming the 1st pattern is arranged in the bending section more curved than described
The center of pars convoluta forms the multiple prism of the 2nd pattern described curved by the position of the described 1st incident surface side
Position than the center of the bending section by the described 2nd incident surface side is set in pars convoluta.
6. a kind of displaying device, includes
Mounting portion, mounting portion mounting show target object；With
Display device, the display device configurations it is described show target object front surface,
The display device includes
Light guide plate, the light guide plate are formed as plate by transparent component, and a side is formed as the 1st plane of incidence, the light guide plate
The face for being configured to a side is opposed with the displaying target object, and the light guide plate can show the 1st pattern；With
Lighting device, the light guide plate are installed on the lighting device,
The lighting device includes
A plurality of light-emitting elements, multiple light-emitting component be configured in the state of being mounted with the light guide plate with the light guide plate
Arbitrary side is opposed；
At least one switch, by installing the light guide plate, at least one switch connection or disconnection；And
Control unit, the control unit set the multiple shine according to the combination of the switch of the connection at least one described switch
The light-emitting component to be lighted or setting in element light pattern, and the pattern of lighting indicates and the light-emitting component to be lighted
The time change of related illuminating state,
The light guide plate has multiple prisms and is formed as making at least one described switch, corresponding with the 1st pattern
Switch combination connect, wherein the multiple prism is on the face of the party of the light guide plate along the 1st pattern
Arrangement, is installed in the photograph according to the 1st plane of incidence mode opposed with the multiple light-emitting component in the light guide plate
In the state of bright device, the multiple prism issues the light-emitting component lighted from the multiple light-emitting component and from described
1st plane of incidence is incident on the reflection of the light in the light guide plate and projects from the face of another party of the light guide plate.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2018068549A JP6866868B2 (en) | 2018-03-30 | 2018-03-30 | Display device and exhibition device |
| JP2018-068549 | 2018-03-30 |
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| Publication Number | Publication Date |
|---|---|
| CN110322785A true CN110322785A (en) | 2019-10-11 |
| CN110322785B CN110322785B (en) | 2021-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910112660.1A Active CN110322785B (en) | 2018-03-30 | 2019-02-13 | Display device and display device |
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| Country | Link |
|---|---|
| JP (1) | JP6866868B2 (en) |
| CN (1) | CN110322785B (en) |
Cited By (1)
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|---|---|---|---|---|
| CN111123426A (en) * | 2020-01-22 | 2020-05-08 | 马鞍山晶智科技有限公司 | Transparent light source system for display device |
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| CN107429885A (en) * | 2015-03-10 | 2017-12-01 | 夏普株式会社 | Lighting device, display device and radiovisor |
| JP2017107048A (en) * | 2015-12-09 | 2017-06-15 | オムロン株式会社 | Display device and game machine |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111123426A (en) * | 2020-01-22 | 2020-05-08 | 马鞍山晶智科技有限公司 | Transparent light source system for display device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110322785B (en) | 2021-12-31 |
| JP2019179677A (en) | 2019-10-17 |
| JP6866868B2 (en) | 2021-04-28 |
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