CN106920486B - Light guide and lighting display device - Google Patents
Light guide and lighting display device Download PDFInfo
- Publication number
- CN106920486B CN106920486B CN201610729706.0A CN201610729706A CN106920486B CN 106920486 B CN106920486 B CN 106920486B CN 201610729706 A CN201610729706 A CN 201610729706A CN 106920486 B CN106920486 B CN 106920486B
- Authority
- CN
- China
- Prior art keywords
- illumination region
- light
- light guide
- guide sheet
- shape
- 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.)
- Active
Links
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
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/0058—Means for improving the coupling-out of light from the light guide varying in density, size, shape or depth along the light guide
- G02B6/0061—Means for improving the coupling-out of light from the light guide varying in density, size, shape or depth along the light guide to provide homogeneous light output intensity
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F13/00—Illuminated signs; Luminous advertising
- G09F13/18—Edge-illuminated signs
-
- 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
-
- 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
- G02B6/0051—Diffusing sheet or layer
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F13/00—Illuminated signs; Luminous advertising
- G09F13/04—Signs, boards or panels, illuminated from behind the insignia
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F13/00—Illuminated signs; Luminous advertising
- G09F13/04—Signs, boards or panels, illuminated from behind the insignia
- G09F13/08—Signs, boards or panels, illuminated from behind the insignia using both translucent and non-translucent layers
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Planar Illumination Modules (AREA)
- Illuminated Signs And Luminous Advertising (AREA)
Abstract
The present invention provides the light guide and lighting display device that the opposite side peripheral part opposed with light in part of light guide sheet can be also served as to illumination region.Light guide (1) has the light guide sheet (20) for being formed as sheet that can make that the light from light source (60) penetrates and the side (20a) becomes illumination region (10a) on one side, and reflection is in the reflecting layer (40) of the light of the another side side (20b) of light guide sheet leakage, illumination region can be illuminated by the light that the light in part (20c) propagated from the side for being set to light guide sheet enters, when from one side (20a) side overlook view, illumination region includes the first illumination region (10b), it has the multiple lighting patterns (21) for making to propagate the light outgoing come in light guide sheet；And second illumination region (10c), formed along the opposite side peripheral part (20d) opposed with light in part band-like, the second illumination region has the brightness correction portion (22) of adjustment with the difference of the brightness of the first illumination region.
Description
Technical field
The present invention relates to can the display unit to electronic instrument etc. carry out illumination display light guide and lighting display device.
Background technique
In various electronic instruments, vehicle-mounted input unit, the display unit equipped with performance symbol, figure etc., and configure
There are the light guide and lighting display device that can be given the light issued from light sources such as light emitting diodes to display unit and illuminate.
For example, in patent document 1, disclosing the lighting display device for being able to carry out the switching of display body.Fig. 8 is patent
The cross-sectional view for the display body of lighting display device 900 documented by document 1 constituted by 3 layers.
Lighting display device 900 is laminated with the first display body 903, the second display body 904, third display body 905.First is aobvious
Show body 903, the second display body 904, in third display body 905, end have light source 931,941,951 light guide plate 932,
942,952 back side is equipped with diffusion printing 933,943,953, the hyaline layer of covering diffusion printing 933 and the back side of light guide plate 932
934 and covering diffusion printing 943 and the back side of light guide plate 942 hyaline layer 944.Moreover, double faced adhesive tape 973a, 973b,
974a, 974b, 975a, 975b, 976a, 976b are configured in the first display body 903, the second display body 904, third display body 905
And the peripheral part between cigarette film 906.
Citation
Patent document 1: Japanese Unexamined Patent Publication 2014-032265 bulletin
Summary of the invention
Subject to be solved by the invention
However, there are the following problems in previous lighting display device: that is, since the light with confession from light source is incident
The opposed opposed portion side in end (light in part) the influence etc. of light reflected of end face, generate along light guide plate (light guide sheet)
Opposite side peripheral part and the region of brightness irregularities.In order to avoid the situation, covered using the light shield layer for being additional to light guide sheet
The opposite side peripheral part of brightness irregularities, or the opposite side peripheries of the brightness irregularities is hidden using the framework of installation side
Portion exists and necessarily is formed project as the not region by visual confirmation.
The present invention is for solving above-mentioned project, it is intended that providing can be by the opposed with light in part of light guide sheet
Opposite side peripheral part also serves as the light guide and lighting display device of illumination region.
Means for solving the problems
Light guide of the invention includes the light guide sheet for being formed as sheet, the light from light source can be made to penetrate, and a surface side
As illumination region；And reflecting layer, the light that another surface side in the light guide sheet leaks is reflected, by propagating from set on institute
It states the light of the light in part entrance of the side of light guide sheet and the illumination region can be illuminated, the feature of the light guide exists
In when from the surface side overlook view, the illumination region includes the first illumination region, and having makes in the leaded light
Multiple lighting patterns of the light outgoing come are propagated in piece；And second illumination region, along pair opposed with the light in part
It sets side peripheral part and is formed band-like, second illumination region has adjustment and the difference of the brightness of first illumination region
Brightness correction portion.
According to this structure, the second band-like illumination is formed along the opposite side peripheral part opposed with light in part of light guide sheet
Region has brightness correction portion, and the difference of the brightness of the first illumination region and the second illumination region is adjusted using brightness correction portion
It is different.Light guide sheet can be used as illumination region without hiding near the opposite side peripheral part opposed with light in part as a result,.Pass through
Illumination region will be set as until near the opposite side peripheral part opposed with light in part of light guide sheet, can optimize space efficiency and
Realize miniaturization.
In addition, light guide of the invention is characterized in that, the lighting pattern of first illumination region have with from
The shape that the light in part side is gradually increased towards second illumination region side, the brightness of second illumination region
Correction portion is made of the multiple amendment patterns for being set as shape similar with the lighting pattern, and the amendment pattern has than being located at
The small shape of the maximum shape of the lighting pattern near second illumination region.
According to this structure, by the way that brightness correction portion is set as smaller than the shape of the lighting pattern of the first illumination region similar
Thus the amendment pattern of shape reduces the light being emitted in the second illumination region, therefore can be adjusted to that the second illumination will not be made
The brightness in region is become too strong.In addition, since brightness correction portion can be formed together with the lighting pattern of the first illumination region,
Therefore the second illumination region of setting can be easy.
In addition, light guide of the invention is characterized in that, the amendment pattern is in second illumination region and described first
The near border of illumination region has gradually to be become with from first illumination region side towards opposite side peripheral part side
Small shape.
According to this structure, since the shape of amendment pattern gradually changes, become to be not easy first described in visual confirmation
The boundary of illumination region and second illumination region.
In addition, light guide of the invention is characterized in that, the lighting pattern is configured in a surface side for the light guide sheet,
And there is the concave shape being recessed towards another surface side.
According to this structure, the light propagated in light guide sheet can be made effectively to be emitted.In addition, being capable of light easy to form
It leads.
In addition, light guide of the invention is characterized in that, have in another surface side of the light guide sheet for fixing
State the supporting course of light guide sheet, the supporting course is configured at least along the opposite side peripheral part, and under overlook view with institute
State the overlapping of the second illumination region.
According to this structure, with Chong Die with the supporting course one of due to becoming brightness irregularities under overlook view
The second illumination region is arranged in mode, therefore can be adjusted using brightness correction portion because configuring supporting course along opposite side peripheral part
Caused by difference with the brightness of the first illumination region.
In addition, light guide of the invention is characterized in that, the supporting course is according to the color illuminated to the illumination region
It adjusts and is coloured.
According to this structure, it by changing the color of supporting course with the color of luminous light with being consistent, can reduce and first
The difference of the tone of illumination region.
In addition, light guide of the invention is characterized in that, the reflecting layer is that described lead is fixed on across the supporting course
The reflector plate of mating plate.
According to this structure, brightness can be improved by using reflector plate.In addition, by the color for changing reflector plate, it can
For adjusting tone.
In addition, lighting display device of the invention is characterized in that, has above-mentioned light guide and be configured to institute
State the light source of light in part incident light.
According to this structure, by using the first illumination region of adjustment and the second illumination region along opposite side peripheral part
The difference of brightness and the light guide that illumination region will be all set as until opposite side peripheral part, can optimize space efficiency and realization
Miniaturization.
Invention effect
According to the present invention, the second band-like illumination is formed along the opposite side peripheral part opposed with light in part of light guide sheet
Region has brightness correction portion, and the difference of the brightness of the first illumination region and the second illumination region is adjusted using brightness correction portion
It is different.Light guide sheet can be used as illumination region without hiding near the opposite side peripheral part opposed with light in part as a result,.Cause
This, light guide of the invention can optimize space efficiency and reality by will all be set as illumination region until opposite side peripheral part
Now minimize.In addition, in accordance with the invention it is possible to provide it is a kind of can be by the opposite side peripheral part opposed with light in part of light guide sheet
Also serve as the lighting display device of illumination region.
Detailed description of the invention
Fig. 1 is the outside drawing for indicating the lighting display device and light guide of first embodiment of the invention, (a) of Fig. 1
It is top view, (b) of Fig. 1 is main view.
Fig. 2 is the exploded perspective view for indicating the lighting display device and light guide of first embodiment of the invention.
Fig. 3 is the diagrammatic top view for indicating the light guide of first embodiment of the invention.
Fig. 4 is the schematic sectional view cut off along the IV-IV line of Fig. 3.
Fig. 5 is the exploded perspective view for indicating the lighting display device and light guide of comparative example.
Fig. 6 is the exploded perspective view for indicating the lighting display device and light guide of second embodiment of the present invention.
Fig. 7 is the exploded perspective view for indicating the lighting display device and light guide of comparative example.
Fig. 8 is the cross-sectional view for the display body of previous lighting display device constituted by 3 layers.
Description of symbols
1 light guide
2 light guides
10a illumination region
The first illumination region of 10b
The second illumination region of 10c
20 light guide sheets
20a one side
20b another side
20c light in part
20d opposite side peripheral part
21 lighting patterns
22 brightness correction portions
23 amendment patterns
30 supporting courses
The opening portion 30a
40 reflecting layer
41 reflector plates
60 light sources
61 illumination regions
70 base stations
100 lighting display devices
200 lighting display devices
Specific embodiment
Hereinafter, using attached drawing, detailed description of embodiments of the present invention.It should be noted that in order to be easy to manage
Solution, suitably changes size in the accompanying drawings.
[first embodiment]
Fig. 1 is the outside drawing for indicating the lighting display device 100 and light guide 1 of first embodiment of the invention, Fig. 1's
It (a) is top view, (b) of Fig. 1 is main view.Fig. 2 is the exploded perspective view for indicating lighting display device 100 and light guide 1.Figure
3 be the diagrammatic top view for indicating the light guide 1 of first embodiment of the invention.Fig. 4 is the signal cut off along the IV-IV line of Fig. 3
Cross-sectional view.It should be noted that expanding the size in the direction Z1-Z2 and being shown with being easy to understand.
As shown in Figure 1 and Figure 2, the lighting display device 100 of present embodiment has light guide 1, light source 60, base station 70.
The light guide 1 of present embodiment, which has, is formed as the light guide sheet 20 of sheet, the supporting course 30 for fixing light guide sheet 20 and reflection
Piece 41.
Light guide sheet 20 is the synthetic resin sheet of transparent or translucent translucency, is set as generally rectangular tabular.
Light guide sheet 20 such as can the synthetic resin material as polycarbonate, acrylic acid formed.In light guide sheet 20, shape as described later
At having multiple lighting patterns 21 and multiple amendment patterns 23, but concrete shape is omitted in Fig. 1 and Fig. 2.
As shown in Fig. 2, supporting course 30 has the shape roughly the same with the shape of light guide sheet 20, it is set as having in center portion
There is the frame-shaped of opening portion 30a.Supporting course 30 passes through in the base being made of the synthetic resin sheet of transparent or translucent translucency
The both-sided adhesive that the two sides of counterdie has binding material brings composition.It should be noted that in order to become specific tone, it can also
To be coloured to supporting course 30.In order to be coloured to supporting course 30, using the methods of silk-screen printing to transparent or semi-transparent
The ink of pigment of the synthetic resin sheet printing for example including coloring of bright translucency, solidifies the ink, basilar memebrane is consequently formed.
Reflector plate 41 is played as the reflecting layer 40 reflected the light leaked in the side another side 20b of light guide sheet 20
Function.Reflector plate 41 is made of synthetic resin sheet (for example, PET etc.).As reflector plate 41, such as it is able to use the conjunction of white
At resin sheet.Alternatively, it is also possible to by using the methods of silk-screen printing transparent or translucent translucency synthetic resin
On piece prints such as powder containing titanium dioxide and has light scattering ink (white ink), solidifies the ink, is consequently formed
Reflector plate 41.It should be noted that the color of reflector plate 41 can also be changed and colouring in the same manner as supporting course 30, thus
Adjust tone.
Light source 60 is made of LED (light emitting diode), projects light from illumination region 61.Light source 60 exposes connection electricity (not shown)
Pole portion is able to carry out the connection based on scolding tin etc..
Base station 70 is made of printed wiring board.It is formed with wiring (not shown) on base station 70, passes through scolding tin etc. and light
The connection electrode portion in source 60 is attached.In addition, it is equipped with connector portion (not shown), it can be electric from external power supply via wiring
Road direction light source 60 supplies electric power.It should be noted that light guide 1 is installed by fixing component (not shown) on base station 70, and
It is fixed as positional shift will not occurring with light source 60.
As explained in detail below, in the lighting display device 100 and light guide 1 of present embodiment, can make to come
The side one side 20a of the side Z1 of the light guide sheet 20 penetrated from the light of light source 60 is illumination region 10a.In FIG. 1 to FIG. 4, in leaded light
The side of the side X1 of piece 20 is equipped with light in part 20c, the light entered from the light in part 20c opposed with light source 60 by one side 20a with
And propagated in light guide sheet 20 while another side 20b reflection, thus, it is possible to illuminate to illumination region 10a.Here, illumination
Region 10a can be divided into along the opposite side peripheral part 20d opposed with light in part 20c and form the second band-like illumination region
10c and the first illumination region 10b formed from the boundary position of the second illumination region 10c towards the side light in part 20c.It is shining
In the 10a of area pellucida domain, multiple lighting patterns are formed in a manner of dividing the first illumination region 10b and the second illumination region 10c
21 and multiple amendment patterns 23.It should be noted that about the multiple lighting patterns 21 omitted in Fig. 1 and Fig. 2 and
The concrete shape of multiple amendment patterns 23, in Fig. 3, schematically amplification shows part of it.In addition, in Fig. 4, in order to more
It is readily appreciated that the feature of amendment pattern 23, it is schematically shown the shape under section view observation.
It is emitted to make to propagate the light come in light guide sheet 20 to the side one side 20a, the configuration of multiple lighting patterns 21 is being led
The side one side 20a of mating plate 20.Lighting pattern 21 is respectively provided with the concave shape being recessed towards the side another side 20b, and is set to illumination
The first illumination region 10b of region 10a.The lighting pattern 21 of first illumination region 10b has to be entered with from by light in part 20c
The side X1 come of light propagation towards the side X2 the shape (similar shape that depth and area increase) that is gradually increased.It needs to illustrate
It is that lighting pattern 21 is not limited to Fig. 3 and shape shown in Fig. 4, as long as the light for propagating to come in light guide sheet 20 can be made high
The shape of effect ground outgoing.
Multiple amendment patterns 23 are set to the second illumination region 10c of illumination region 10a, in order to make to propagate in light guide sheet 20
Light to the side one side 20a be emitted, the one side configured in the same manner as the lighting pattern 21 of the first illumination region 10b in light guide sheet 20
The side 20a.Amendment pattern 23 is set as shape similar with lighting pattern 21, and has than being located near the second illumination region 10c
Lighting pattern 21 the small shape of maximum shape.Pattern 23 is corrected also in the second illumination region 10c and the first illumination region 10b
Near border, have with from the first side illumination region 10b towards the opposite side peripheral part side 20d and gradually smaller shape
(similar shape that depth becomes smaller with area).
Next, as comparative example, to the structure of the lighting display device 100 and light guide 1 that do not have present embodiment
The case where be illustrated.Fig. 7 is the exploded perspective view for indicating the lighting display device and light guide of comparative example.
As shown in fig. 7, the lighting display device 800 and light guide 801 of comparative example under overlook view with supporting course 830
The mode of overlapping is equipped with photomask 811.Photomask 811, which for example prints light guide sheet 820 by using the methods of silk-screen printing, to be had
There is the ink (black ink etc.) of light-proofness and makes ink solidification to be formed.It should be noted that supporting course 830, reflector plate 841, light
Source 860, base station 870 are identical as the supporting course 30 of lighting display device 100 and light guide 1, reflector plate 41, light source 60, base station 70.
Pattern same as the lighting pattern 21 of lighting display device 100 and light guide 1 is formed in illumination region by light guide sheet 820
810a。
Illumination region 810a due to being equipped with photomask 811, light guide 801 is defined as in not Chong Die with photomask 811
Side region (region Chong Die with the opening portion 830a of supporting course 830 under overlook view).Therefore, in order to make illumination region 810a
It is electronic instrument etc. as from the position that the opposite side peripheral part 820d opposed with light in part 820c is separated, such as in attached portion
Edge in the case where, can not illuminate to the front of the edge.
It on the other hand,, will be with photograph in the case where being not provided with photomask 811 in the lighting display device of comparative example 800
The same pattern of lighting pattern 21 of obvious showing device 100 and light guide 1 is formed continuously to opposite side peripheral part 820d.The feelings
Under condition, in light guide sheet 820 by a part of the opposite side peripheral part 820d light reflected near the 820d of opposite side peripheral part
Outgoing.Therefore, the region along opposite side peripheral part 820d relatively bright burn is generated.It should be noted that if reduction pair
The reflection (that is, losing if increasing penetrating for light) at the 820d of side peripheral part is set, uneven illumination, but illumination region can be also reduced
The luminance reduction of 810a.In addition, the region in region and its inside under overlook view configured with supporting course 830, in light guide sheet
The reflection for the light propagated in 820 is different, therefore sometimes along plan-position corresponding with the edge of opening portion 830a, brightness is in item
Line shape it is different.
In the lighting display device 100 of present embodiment and the structure of light guide 1, as described below, adjustment along with
The brightness of the second illumination region 10c of light in part 20c opposed opposite side peripheral part 20d.The first illumination region is adjusted as a result,
The difference of the brightness of 10b and the second illumination region 10c does not need to hide near the 20d of opposite side peripheral part and can be used
Make illumination region 10a.
Specifically, supporting course 30 under overlook view at least with configured along opposite side peripheral part 20d, illumination region
The second illumination region 10c of 10a is overlapped.Be formed as set on multiple amendment patterns 23 of the second illumination region 10c than being located at second
The small shape of the maximum shape of lighting pattern 21 near illumination region 10c.Due to being changed by the shape for correcting pattern 23
Become the efficiency of outgoing, therefore adjusts the amount (brightness) of outgoing according to its size.In addition, amendment pattern 23 is in the second lighting area
The near border of domain 10c and the first illumination region 10b have with from the first side illumination region 10b towards opposite side peripheral part
The side 20d and gradually smaller shape.As a result, so that in the second illumination region 10c amount (brightness) being emitted and the first lighting area
The domain side 10b becomes identical mode and is adjusted, along opening portion 30a edge boundary close to identical brightness around,
The boundary of first illumination region 10b and the second illumination region 10c become unobtrusively.
It should be noted that the face of supporting course 30 can also be changed according to the tone illuminated to illumination region 10a
Color.In addition, in width (interval between opposite side peripheral part 20d and the edge of opening portion 30a) wider situation of supporting course 30
Under, amendment pattern 23 is in the near border of the second illumination region 10c and the first illumination region 10b with from the first illumination region
The side 10b becomes smaller towards the opposite side peripheral part side 20d, then becomes nearly constant size in the opposite side peripheral part side 20d, by
This, which is realized, optimizes.In addition, making to correct pattern 23 in opposite side peripheral part 20d in the broader situation of width of supporting course 30
After side becomes nearly constant size, slightly increase near the 20d of opposite side peripheral part, the amendment pattern 23 is ideal.
In this way, multiple amendment patterns 23 set on the second illumination region 10c are bright with the first illumination region 10b with adjusting
The function of the difference of degree.In other words, the second illumination region 10c has adjustment and the difference of the brightness of the first illumination region 10b
Brightness correction portion 22.
Brightness correction portion 22 is not limited to be set as multiple amendments of shape similar with lighting pattern 21 as described above
Pattern 23 can also be set as the shape different from lighting pattern 21.
Hereinafter, effect brought by lighting display device 100 and light guide 1 to first embodiment is illustrated.
The light guide 1 of first embodiment, which has, can make the light transmission from light source 60 and the side one side 20a becomes lighting area
The reflecting layer for the light that the light guide sheet 20 for being formed as sheet of domain 10a and reflection are revealed in the side another side 20b of light guide sheet 20
40.Illumination region 10a can be shone by the light that the light in part 20c propagated from the side for being set to light guide sheet 20 enters
It is bright.Moreover, illumination region 10a has when from one side 20a side overlook view: the first illumination region 10b, having makes leading
Multiple lighting patterns 21 of the light outgoing come are propagated in mating plate 20；And the second illumination region 10c, along with light in part 20c
Opposed opposite side peripheral part 20d and formed band-like, the second illumination region 10c has the bright of adjustment and the first illumination region 10b
The brightness correction portion 22 of the difference of degree.
According to this structure, band-like is formed along the opposite side peripheral part 20d opposed with light in part 20c of light guide sheet 20
Two illumination region 10c have brightness correction portion 22, and the illumination of the first illumination region 10b and second is adjusted using brightness correction portion 22
The difference of the brightness of region 10c.Light guide sheet 20 can be without hiding the opposite side peripheral part 20d opposed with light in part 20c as a result,
Near and be used as illumination region 10a.By by the opposite side peripheral part 20d opposed with light in part 20c of light guide sheet 20
Near until be set as illumination region 10a, can optimize space efficiency and realize miniaturization.
In addition, the lighting pattern 21 of the first illumination region 10b has with from the side light in part 20c towards the second illumination region
The side 10c and the shape being gradually increased, the brightness correction portion 22 of the second illumination region 10c is by being set as shape similar with lighting pattern 21
Multiple amendment patterns 23 of shape are constituted.Moreover, amendment pattern 23 has than being located at the illumination figure near the second illumination region 10c
The small shape of the maximum shape of case 21.
According to this structure, by the way that brightness correction portion 22 to be set as to the shape of the lighting pattern 21 than the first illumination region 10b
The amendment pattern 23 of small similar shape reduces the light being emitted in the second illumination region 10c, therefore can be adjusted to not make
The brightness of second illumination region 10c is become too strong.In addition, due to can be with the lighting pattern 21 of the first illumination region 10b together
Ground forms brightness correction portion 22, therefore can be easy the second illumination region 10c of setting.
In addition, amendment pattern 23 the near border of the second illumination region 10c and the first illumination region 10b have with from
First side illumination region 10b towards the opposite side peripheral part side 20d and gradually smaller shape.
According to this structure, since the shape of amendment pattern 23 gradually changes, become to be not easy the photograph of visual confirmation first
The boundary of area pellucida domain 10b and the second illumination region 10c.
In addition, lighting pattern 21 is configured in the side one side 20a of light guide sheet 20, it is recessed with being recessed towards the side another side 20b
Shape.
According to this structure, the light propagated in light guide sheet 20 can be made effectively to be emitted.In addition, being able to easily form
Light guide sheet 20.
In addition, the light guide 1 of present embodiment is characterized in that, have in the side another side 20b of light guide sheet 20 for fixing
The supporting course 30 of light guide sheet 20, supporting course 30 are configured at least along opposite side peripheral part 20d, and under overlook view with
Second illumination region 10c overlapping.
According to this structure, using under overlook view with as brightness irregularities the Chong Die side of the supporting course 30 of one of the reason of
Formula is equipped with the second illumination region 10c, therefore can be adjusted using brightness correction portion 22 because configuring along opposite side peripheral part 20d
Caused by supporting course 30 with the difference of the brightness of the first illumination region 10b.
In addition, the light guide 1 of first embodiment can also make to support according to the tone for illuminating illumination region 10a
Layer 30 colours.
According to this structure, it by changing the color of supporting course 30 with the color of luminous light with being consistent, can reduce and the
The difference of the tone of one illumination region 10b.
In addition, the light guide 1 of first embodiment is characterized in that, reflecting layer 40 is to be fixed on light guide sheet across supporting course 30
20 reflector plate 41.
According to this structure, by using reflector plate 41, it can be improved brightness.In addition, by the color for changing reflector plate 41,
It can be used for adjusting tone.
In addition, the lighting display device 100 of first embodiment has light guide 1 and is configured to light in part 20c
The light source 60 of incident light.
According to this structure, it is illuminated by using the first illumination region 10b of adjustment with along the second of opposite side peripheral part 20d
The difference of the brightness of region 10c and the light guide 1 that illumination region 10a is all set as until the 20d of opposite side peripheral part, can optimize
Space efficiency and realization miniaturization.
[second embodiment]
Fig. 5 is the outside drawing for indicating the lighting display device 200 and light guide 2 of second embodiment of the present invention, Fig. 5's
It (a) is top view, (b) of Fig. 5 is main view.Fig. 6 is the exploded perspective view for indicating lighting display device 200 and light guide 2.
The lighting display device 200 and light guide 2 of second embodiment are real in this point of no configuration reflector plate 41 and first
Lighting display device 100 and the light guide 1 for applying mode are different.Other components and the lighting display device of first embodiment 100
And light guide 1 is identical, is omitted the description using identical appended drawing reference.
Reflecting layer in the light guide 2 of present embodiment, as the light that reflection is leaked in the side another side 20b of light guide sheet 20
40, the surface of base station 70 is utilized.It should be noted that base station 70 is preferably provided with the resist layer of protection.It can be against corrosion by this
Layer is set as reflecting layer 40, the material of the high white color system of reflectivity can also will be laminated on resist layer and be set as reflecting layer 40.
The lighting display device 200 and light guide 2 of present embodiment are equipped with light in part in the side of the side X1 of light guide sheet 20
20c, the light entered from the light in part 20c opposed with light source 60 by one side 20a and another side 20b while being reflected in leaded light
It is propagated in piece 20, thus, it is possible to illuminate to illumination region 10a.Here, illumination region 10a can be divided into along with enter light
Portion 20c opposed opposite side peripheral part 20d forms band-like the second illumination region 10c and from the side of the second illumination region 10c
Boundary is positioned against the first illumination region 10b of the side light in part 20c formation.In illumination region 10a, to divide the first illumination region
The mode of 10b and the second illumination region 10c are formed with multiple lighting patterns 21 and multiple amendment patterns 23.Correct pattern 23
It is set as shape similar with lighting pattern 21.
The lighting display device 200 and light guide 2 of second embodiment and the lighting display device 100 of first embodiment
And light guide 1 is compared, the characteristic in reflecting layer 40 is different.According to the characteristic in reflecting layer 40, by changing the size of amendment pattern 23,
To adjust the brightness of the second illumination region 10c along the opposite side peripheral part 20d opposed with light in part 20c.Is adjusted as a result,
The difference of the brightness of one illumination region 10b and the second illumination region 10c, do not need hide opposite side peripheral part 20d near and
It can be used as illumination region 10a.There is adjustment and the first illumination set on multiple amendment patterns 23 of the second illumination region 10c
The function of the difference of the brightness of region 10b.In other words, it is bright with the first illumination region 10b to have adjustment by the second illumination region 10c
The brightness correction portion 22 of the difference of degree.Brightness correction portion 22 is not limited to be set as similar with lighting pattern 21 as described above
Multiple amendment patterns 23 of shape, can also be set as the shape different from lighting pattern 21.
Hereinafter, effect brought by lighting display device 200 and light guide 2 to second embodiment is illustrated.
The light guide 2 of second embodiment, which has, can make the light transmission from light source 60 and the side one side 20a becomes lighting area
The reflecting layer for the light that the light guide sheet 20 for being formed as sheet of domain 10a and reflection are leaked in the side another side 20b of light guide sheet 20
40.Illumination region 10a can be shone by the light that the light in part 20c propagated from the side for being set to light guide sheet 20 enters
It is bright.Moreover, illumination region 10a has when from one side 20a side overlook view: the first illumination region 10b, having makes leading
Multiple lighting patterns 21 of the light outgoing come are propagated in mating plate 20；And the second illumination region 10c, along with light in part 20c
Opposed opposite side peripheral part 20d and formed band-like, the second illumination region 10c has the bright of adjustment and the first illumination region 10b
The brightness correction portion 22 of the difference of degree.
According to this structure, band-like is formed along the opposite side peripheral part 20d opposed with light in part 20c of light guide sheet 20
Two illumination region 10c have brightness correction portion 22, and the illumination of the first illumination region 10b and second is adjusted using brightness correction portion 22
The difference of the brightness of region 10c.Light guide sheet 20 can be without hiding the opposite side peripheral part 20d opposed with light in part 20c as a result,
Near and be used as illumination region 10a.By by the opposite side peripheral part 20d opposed with light in part 20c of light guide sheet 20
Near until be set as illumination region 10a, can optimize space efficiency and realize miniaturization.
In addition, the lighting pattern 21 of the first illumination region 10b has with from the side light in part 20c towards the second illumination region
The side 10c and the shape being gradually increased, the brightness correction portion 22 of the second illumination region 10c is by being set as shape similar with lighting pattern 21
Multiple amendment patterns 23 of shape are constituted.Moreover, amendment pattern 23 has than being located at the illumination figure near the second illumination region 10c
The small shape of the maximum shape of case 21.
According to this structure, by the way that brightness correction portion 22 to be set as to the shape of the lighting pattern 21 than the first illumination region 10b
The amendment pattern 23 of small similar shape reduces the light being emitted in the second illumination region 10c, therefore can be adjusted to not make
The brightness of second illumination region 10c is become too strong.In addition, due to can be with the lighting pattern 21 of the first illumination region 10b together
Ground forms brightness correction portion 22, therefore can be easy the second illumination region 10c of setting.
In addition, amendment pattern 23 the second illumination region 10c and the first illumination region 10b near border, have with
From the first side illumination region 10b towards the opposite side peripheral part side 20d and gradually smaller shape.
According to this structure, since the shape of amendment pattern 23 gradually changes, become to be not easy the photograph of visual confirmation first
The boundary of area pellucida domain 10b and the second illumination region 10c.
In addition, lighting pattern 21 is configured in the side one side 20a of light guide sheet 20, it is recessed with being recessed towards the side another side 20b
Shape.
According to this structure, the light propagated in light guide sheet 20 can be made effectively to be emitted.In addition, being able to easily form
Light guide sheet 20.
In addition, the light guide 2 of second embodiment is characterized in that, have in the side another side 20b of light guide sheet 20 for solid
Determine the supporting course 30 of light guide sheet 20, supporting course 30 is configured at least along opposite side peripheral part 20d, and with the under overlook view
Two illumination region 10c overlapping.
According to this structure, using under overlook view with as brightness irregularities the Chong Die side of the supporting course 30 of one of the reason of
Formula is equipped with the second illumination region 10c, therefore can be adjusted using brightness correction portion 22 because configuring along opposite side peripheral part 20d
Caused by supporting course 30 with the difference of the brightness of the first illumination region 10b.
In addition, the light guide 2 of second embodiment can also make to support according to the tone for illuminating illumination region 10a
Layer 30 colours.
According to this structure, it by changing the color of supporting course 30 with the color of luminous light with being consistent, can reduce and the
The difference of the tone of one illumination region 10b.
In addition, the lighting display device 100 of second embodiment has light guide 2 and is configured to light in part 20c
The light source 60 of incident light.
According to this structure, it is illuminated by using the first illumination region 10b of adjustment with along the second of opposite side peripheral part 20d
The difference of the brightness of region 10c and the light guide 2, Neng Gouyou that illumination region 10a will be all set as until the 20d of opposite side peripheral part
Change space efficiency and realizes miniaturization.
The present invention is not limited to above-mentioned embodiment, it can make various changes and in the range of not departing from purport
Implement.Such as can deform as described below to implement, these situations also belong to technical scope of the invention.
(1) in the present embodiment, supporting course 30 is double-faced adhesive tape but it is also possible to be the paste by coatings such as printings
Material.
(2) in the present embodiment, lighting pattern 21 has the concave shape being recessed towards the side another side 20b, and is set to and shines
The first illumination region 10b of area pellucida domain 10a, but it is not limited to concave shape, it is possible to have convex form.Equally, brightness correction portion 22
It is also not necessarily limited to concave shape, it is possible to have convex form.
(3) in the present embodiment, multiple configurations of lighting pattern 21 are in the side one side 20a of light guide sheet 20, but can also become
More configuration is in the side another side 20b.
Claims (7)
1. a kind of light guide, includes
Be formed as the light guide sheet of sheet, the light from light source can be made to penetrate, and a surface side becomes illumination region；And
The light that another surface side in the light guide sheet leaks is reflected in reflecting layer,
The illumination region can be shone by the light that the light in part propagated from the side for being set to the light guide sheet enters
It is bright,
The light guide is characterized in that,
When from the surface side overlook view, the illumination region includes the first illumination region, and having makes in the leaded light
Multiple lighting patterns of the light outgoing come are propagated in piece；And second illumination region, along pair opposed with the light in part
Set side peripheral part and formed it is band-like,
Second illumination region has the brightness correction portion of adjustment with the difference of the brightness of first illumination region,
The lighting pattern of first illumination region has with from the light in part side towards second illumination region
Side and the shape being gradually increased,
The brightness correction portion of second illumination region is by being set as multiple amendments of shape similar with the lighting pattern
Pattern is constituted,
The amendment pattern has smaller than the maximum shape for being located at the lighting pattern near second illumination region
Shape.
2. light guide according to claim 1, which is characterized in that
The amendment pattern has in the near border of second illumination region and first illumination region with from described
First illumination region side towards opposite side peripheral part side and gradually smaller shape.
3. light guide according to claim 1 or 2, which is characterized in that
The lighting pattern configuration has the spill towards another surface side recess in a surface side for the light guide sheet
Shape.
4. light guide according to claim 3, which is characterized in that
There is the supporting course for fixing the light guide sheet in another surface side of the light guide sheet,
The supporting course is configured at least along the opposite side peripheral part, and under overlook view with second illumination region
Overlapping.
5. light guide according to claim 4, which is characterized in that
The supporting course is coloured according to the tone illuminated to the illumination region.
6. light guide according to claim 4 or 5, which is characterized in that
The reflecting layer is the reflector plate that the light guide sheet is fixed on across the supporting course.
7. a kind of lighting display device, which is characterized in that
The lighting display device has:
Light guide described in any one of claims 1 to 6；And
Light source is configured to the light in part incident light.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015-251857 | 2015-12-24 | ||
| JP2015251857A JP6521252B2 (en) | 2015-12-24 | 2015-12-24 | Light guide and illuminated display |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106920486A CN106920486A (en) | 2017-07-04 |
| CN106920486B true CN106920486B (en) | 2019-10-25 |
Family
ID=59234810
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610729706.0A Active CN106920486B (en) | 2015-12-24 | 2016-08-25 | Light guide and lighting display device |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP6521252B2 (en) |
| KR (1) | KR101915137B1 (en) |
| CN (1) | CN106920486B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111406179B (en) * | 2017-11-30 | 2022-02-08 | 阿尔卑斯阿尔派株式会社 | Illuminating device |
| CN113646485A (en) * | 2019-04-15 | 2021-11-12 | 福美化学工业株式会社 | Sight line induction mark with light guide rod and steel cable guardrail |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1504806A (en) * | 2002-11-28 | 2004-06-16 | 阿尔卑斯电气株式会社 | Illuminating device, light guide plate and liquid crystal display device |
| CN1894609A (en) * | 2003-12-15 | 2007-01-10 | 皇家飞利浦电子股份有限公司 | Backlight device |
| CN202012855U (en) * | 2011-03-04 | 2011-10-19 | 王勤文 | LED light guide structure |
| JP4907016B2 (en) * | 2001-08-09 | 2012-03-28 | 株式会社 日立ディスプレイズ | Liquid crystal display |
| JP3182109U (en) * | 2012-12-26 | 2013-03-07 | アルプス電気株式会社 | Illuminated display device |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000314812A (en) * | 1999-04-30 | 2000-11-14 | Enplas Corp | Side light type surface light source device and liquid crystal display device |
| JP2004302443A (en) | 2003-03-18 | 2004-10-28 | Hitachi Displays Ltd | Liquid crystal display device |
| JP2004286803A (en) * | 2003-03-19 | 2004-10-14 | Hitachi Displays Ltd | Liquid crystal display device |
| JP2005321586A (en) * | 2004-05-10 | 2005-11-17 | Sony Corp | Surface light source unit and liquid crystal display device |
| JP2006350338A (en) * | 2005-06-13 | 2006-12-28 | Samsung Electronics Co Ltd | Backlight assembly, and display device having the same,and a method for adjusting luminance of the same |
| TW201124778A (en) * | 2009-10-09 | 2011-07-16 | Mitsubishi Rayon Co | Image display device |
-
2015
- 2015-12-24 JP JP2015251857A patent/JP6521252B2/en active Active
-
2016
- 2016-08-25 CN CN201610729706.0A patent/CN106920486B/en active Active
- 2016-09-26 KR KR1020160123099A patent/KR101915137B1/en active IP Right Grant
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4907016B2 (en) * | 2001-08-09 | 2012-03-28 | 株式会社 日立ディスプレイズ | Liquid crystal display |
| CN1504806A (en) * | 2002-11-28 | 2004-06-16 | 阿尔卑斯电气株式会社 | Illuminating device, light guide plate and liquid crystal display device |
| CN1894609A (en) * | 2003-12-15 | 2007-01-10 | 皇家飞利浦电子股份有限公司 | Backlight device |
| CN202012855U (en) * | 2011-03-04 | 2011-10-19 | 王勤文 | LED light guide structure |
| JP3182109U (en) * | 2012-12-26 | 2013-03-07 | アルプス電気株式会社 | Illuminated display device |
Also Published As
| Publication number | Publication date |
|---|---|
| JP6521252B2 (en) | 2019-05-29 |
| JP2017117649A (en) | 2017-06-29 |
| KR20170076540A (en) | 2017-07-04 |
| CN106920486A (en) | 2017-07-04 |
| KR101915137B1 (en) | 2018-11-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8368842B2 (en) | Surface light source device and LCD unit | |
| US7223008B2 (en) | Backlighting device for an information display element of a portable object | |
| US20110167690A1 (en) | Light-Emitting Device | |
| US8997387B2 (en) | Light guide plate having diffused light printed dot pattern | |
| US20060274526A1 (en) | Integrated sign illumination system | |
| CN101382255A (en) | Blacklight unit and display device | |
| CN205227035U (en) | Backlight module group | |
| CN106920486B (en) | Light guide and lighting display device | |
| TWI413820B (en) | Lighting apparatus and light guide plate | |
| JP2009080982A (en) | Plane light emitting apparatus | |
| US20150253492A1 (en) | Lighting apparatus and display apparatus | |
| JP2006171253A (en) | Light guide plate of backlight assembly | |
| JP5696799B2 (en) | Surface light source device, liquid crystal display device, and mobile device | |
| TWI580893B (en) | Light emitting module and display device | |
| CN208970107U (en) | Shine LOGO component and the television set with the LOGO component that shines | |
| JP2006234974A (en) | Liquid crystal display device | |
| CN216079658U (en) | Stereoscopic vision flat lamp | |
| JP2004253306A (en) | Surface light source device and display device using this | |
| CN205541750U (en) | Novel information display screen | |
| CN209880072U (en) | Display device | |
| JP2005043833A (en) | Liquid crystal display device | |
| KR20140078378A (en) | Light unit for automobile | |
| KR102003743B1 (en) | Light guide plate manufacturing method with waterproof function for led-lamp | |
| JP4482876B2 (en) | Surface lighting device | |
| WO2023248543A1 (en) | Display panel |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: Tokyo, Japan, Japan Applicant after: Alpine Alpine Company Address before: Tokyo, Japan, Japan Applicant before: Alps Electric Co., Ltd. |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |