CN106920486A - Light guide and lighting display device - Google Patents
Light guide and lighting display device Download PDFInfo
- Publication number
- CN106920486A CN106920486A CN201610729706.0A CN201610729706A CN106920486A CN 106920486 A CN106920486 A CN 106920486A CN 201610729706 A CN201610729706 A CN 201610729706A CN 106920486 A CN106920486 A CN 106920486A
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- China
- Prior art keywords
- illumination region
- light guide
- light
- guide sheet
- lighting
- Prior art date
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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
- G02B6/0033—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
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 illumination region.The reflecting layer (40) of the light of the light guide sheet (20) that is formed as sheet and another side (20b) side leakage that is reflected in light guide sheet of the light guide (1) with the light transmission that can make from light source (60) and one side (20a) side as illumination region (10a), illumination region can be illuminated by propagating the light entered from the light in part (20c) located at the side of light guide sheet, when from one side (20a) side top view, illumination region has：First illumination region (10b), it possesses the multiple lighting patterns (21) for making that the light outgoing for coming is propagated in light guide sheet；And second illumination region (10c), it forms banding along the opposite side peripheral part (20d) opposed with light in part, and the second illumination region possesses the brightness correction portion (22) of adjustment and the difference of the brightness of the first illumination region.
Description
Technical field
Light guide and lighting display device the present invention relates to display can be illuminated to the display part of electronic instrument etc..
Background technology
In various electronic instruments, vehicle-mounted input unit, the display part of performance symbol, figure etc. is provided with, and configure
There are the light guide and lighting display device that the light sent from light sources such as light emitting diodes can be given display part and is illuminated.
For example, in patent document 1, disclosing the lighting display device of the switching that can carry out display body.Fig. 8 is patent
Lighting display device 900 described in document 1 by 3 layers of sectional view of the display body for constituting.
Lighting display device 900 is laminated with the first display body 903, the second display body 904, the 3rd display body 905.First shows
In showing body 903, the second display body 904, the 3rd display body 905, end possess light source 931,941,951 light guide plate 932,
942nd, 952 back side is provided with the hyaline layer that printing 933 and the back side of light guide plate 932 are spread in diffusion printing 933,943,953, covering
934 and the hyaline layer 944 at covering diffusion printing 943 and the back side of light guide plate 942.And, two-sided tape 973a, 973b,
974a, 974b, 975a, 975b, 976a, 976b are configured in the first display body 903, the second display body 904, the 3rd display body 905
And the peripheral part between cigarette film 906.
Citation
Patent document 1：Japanese Unexamined Patent Publication 2014-032265 publications
The content of the invention
The invention problem to be solved
However, in conventional lighting display device, there are the following problems：That is, due to incident with for the light from light source
The influence of light reflected of end face of the opposed opposed portion side in end (light in part) etc., produce 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 periphery of the brightness irregularities is hidden using the framework of installation side
Portion, exists and necessarily be formed the not problem as the region of visual confirmation.
The present invention is used to solve above-mentioned problem, its object is to, there is provided can be opposed with light in part by 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 has：Be formed as the light guide sheet of sheet, it can pass through the light from light source, and a surface side
As illumination region；And reflecting layer, the light of another surface side leakage that it is reflected in the light guide sheet, by propagating from located at institute
State 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 top view, the illumination region has：First illumination region, it possesses makes in the leaded light
Multiple lighting patterns of the light outgoing for coming are propagated in piece；And second illumination region, it is along opposed with the light in part right
Put side peripheral part and form banding, second illumination region possesses adjustment and the difference of the brightness of first illumination region
Brightness correction portion.
According to the structure, the second illumination of banding is formed along the opposite side peripheral part opposed with light in part of light guide sheet
Region possesses brightness correction portion, and the difference of the first illumination region and the brightness of the second illumination region is adjusted using brightness correction portion
It is different.Thus, light guide sheet can act as illumination region without hiding the vicinity of the opposite side peripheral part opposed with light in part.Pass through
Illumination region will be set to untill the vicinity of 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 characterised by, the lighting pattern of first illumination region possess with from
The shape that the light in part side gradually increases towards the second illumination region side, the brightness of second illumination region
Correction portion is made up of the multiple amendment patterns for being set to the shape similar to the lighting pattern, and the amendment pattern possesses than being located at
The small shape of the maximum shape of the lighting pattern of the vicinity of second illumination region.
It is smaller than the shape of the lighting pattern of the first illumination region similar by the way that brightness correction portion is set to according to the structure
The amendment pattern of shape, thus reduces the light of the outgoing in the second illumination region, therefore, it is possible to be adjusted to that the second illumination will not be made
The brightness in region become too strong.Further, since brightness correction portion can be together formed with the lighting pattern of the first illumination region,
Therefore, it is possible to easily set the second illumination region.
In addition, light guide of the invention is characterised by, the amendment pattern is in second illumination region and described first
Possess near the border of illumination region and gradually become towards opposite side peripheral part side with from the first illumination region side
Small shape.
According to the structure, because the shape for correcting pattern is gradually changed, therefore become to be not easy first described in visual confirmation
The border of illumination region and second illumination region.
In addition, light guide of the invention is characterised by, the lighting pattern is configured in a surface side of the light guide sheet,
And with the concave shape towards another surface side depression.
According to the structure, can make to propagate the light effectively outgoing for coming in light guide sheet.In addition, light can be formed easily
Lead.
In addition, light guide of the invention is characterised by, have for fixing institute in described another surface side of the light guide sheet
State the supporting course of light guide sheet, the supporting course is configured at least along the opposite side peripheral part, and under top view with institute
State the second illumination region overlap.
According to the structure, with top view with as brightness irregularities due to one of supporting course it is Chong Die
Mode sets the second illumination region, therefore, it is possible to be adjusted using brightness correction portion because configuring supporting course along opposite side peripheral part
And the difference with the brightness of the first illumination region for causing.
In addition, light guide of the invention is characterised by, the supporting course is according to the color being illuminated to the illumination region
Adjust and be colored.
According to the structure, the color of supporting course is changed by the color with luminous light with being consistent, can reduced and first
The difference of the tone of illumination region.
In addition, light guide of the invention is characterised by, the reflecting layer is to be fixed on described leading across the supporting course
The reflector plate of mating plate.
According to the structure, brightness can be improved by using reflector plate.In addition, the color by changing reflector plate, can
For adjustment tone.
In addition, lighting display device of the invention is characterised by, possesses above-mentioned light guide and be configured to institute
State the light source of light in part incident light.
According to the structure, by using the first illumination region of adjustment and the second illumination region along opposite side peripheral part
The difference of brightness simultaneously will all be set to the light guide of illumination region untill opposite side peripheral part, can optimize space efficiency and realization
Miniaturization.
Invention effect
According to the present invention, the second illumination of banding is formed along the opposite side peripheral part opposed with light in part of light guide sheet
Region possesses brightness correction portion, and the difference of the first illumination region and the brightness of the second illumination region is adjusted using brightness correction portion
It is different.Thus, light guide sheet can act as illumination region without hiding the vicinity of the opposite side peripheral part opposed with light in part.Cause
This, light guide of the invention can optimize space efficiency and reality by will all be set to illumination region untill 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.
Brief description of the drawings
Fig. 1 is the outside drawing of the lighting display device and light guide for representing first embodiment of the invention, (a) of Fig. 1
It is top view, (b) of Fig. 1 is front view.
Fig. 2 is the exploded perspective view of the lighting display device and light guide for representing first embodiment of the invention.
Fig. 3 is the diagrammatic top view of the light guide for representing first embodiment of the invention.
Fig. 4 is the schematic sectional view cut off along the IV-IV lines of Fig. 3.
Fig. 5 is the exploded perspective view of the lighting display device and light guide for representing comparative example.
Fig. 6 is the exploded perspective view of the lighting display device and light guide for representing second embodiment of the present invention.
Fig. 7 is the exploded perspective view of the lighting display device and light guide for representing comparative example.
Fig. 8 is conventional lighting display device by 3 layers of sectional view of the display body for constituting.
Description of reference numerals
1 light guide
2 light guides
10a illumination regions
The illumination regions of 10b first
The illumination regions of 10c second
20 light guide sheets
20a is simultaneously
20b another sides
20c light in part
20d opposite sides peripheral part
21 lighting patterns
22 brightness correction portions
23 amendment patterns
30 supporting courses
30a opening portions
40 reflecting layer
41 reflector plates
60 light sources
61 illuminating parts
70 base stations
100 lighting display devices
200 lighting display devices
Specific embodiment
Hereinafter, embodiments of the present invention are described in detail using accompanying drawing.It should be noted that in order to easily manage
Solution is appropriate in the accompanying drawings to change size.
[first embodiment]
Fig. 1 is the outside drawing of the lighting display device 100 and light guide 1 for representing first embodiment of the invention, Fig. 1's
A () is top view, (b) of Fig. 1 is front view.Fig. 2 is the exploded perspective view for representing lighting display device 100 and light guide 1.Figure
3 is the diagrammatic top view of the light guide 1 for representing first embodiment of the invention.Fig. 4 is the signal cut off along the IV-IV lines of Fig. 3
Sectional view.It should be noted that expanding the size in Z1-Z2 directions and being shown with readily appreciating.
As shown in Figure 1 and Figure 2, the lighting display device 100 of present embodiment possesses light guide 1, light source 60, base station 70.
The light guide 1 of present embodiment possess be 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 to generally rectangular tabular.
Light guide sheet 20 can for example be formed by synthetic resin materials such as makrolon, acrylic acid.In light guide sheet 20, shape as described later
Into having multiple lighting patterns 21 and multiple amendment pattern 23, but concrete shape is eliminated in Fig. 1 and Fig. 2.
As shown in Fig. 2 supporting course 30 has the profile roughly the same with the profile of light guide sheet 20, it is set in middle body tool
There is the frame-shaped of opening portion 30a.Supporting course 30 is by the base being made up of the synthetic resin sheet of transparent or translucent translucency
The both-sided adhesive that the two sides of counterdie possesses binding material brings composition.It should be noted that in order to turn into specific tone, also may be used
Coloured with to supporting course 30.In order to be coloured to supporting course 30, using methods such as silk-screen printings to transparent or semi-transparent
The synthetic resin sheet of bright translucency prints the ink of such as pigment including coloring, solidifies the ink, is consequently formed basilar memebrane.
Reflecting layer 40 that reflector plate 41 is reflected as the light to being leaked in the another side 20b sides of light guide sheet 20 and play
Function.Reflector plate 41 is made up of synthetic resin sheet (for example, PET etc.).As reflector plate 41, for example, can use the conjunction of white
Resin piece.Alternatively, it is also possible to by using the methods such as silk-screen printing transparent or translucent translucency synthetic resin
Printed on piece for example has light scattering ink (white ink) containing the powder of titanium dioxide, solidifies the ink, is consequently formed
Reflector plate 41.It should be noted that the color of reflector plate 41 can also be changed by being coloured in the same manner as supporting course 30, so that
Adjustment tone.
Light source 60 is made up of LED (light emitting diode), and light is projected from illuminating part 61.Light source 60 exposes connection electricity (not shown)
Pole portion, can carry out the connection based on scolding tin etc..
Base station 70 is made up of printed wiring board.Distribution (not shown) is formed with base station 70, by scolding tin etc. and light
The connection electrode portion in source 60 is attached.In addition, connector portion (not shown) is provided with, can be via distribution from outside power supply electricity
The supply electric power of road direction light source 60.It should be noted that on base station 70, light guide 1 is installed by fixing component (not shown), and
It is fixed as position skew 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 one side 20a sides of the Z1 sides of the light guide sheet 20 passed through from the light of light source 60 are illumination region 10a.In Fig. 1~Fig. 4, in leaded light
The side of the X1 sides of piece 20 is provided 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 reflections, thus, it is possible to be illuminated to illumination region 10a.Here, illumination
Region 10a can be divided into the second illumination region that banding is formed along the opposite side peripheral part 20d opposed with light in part 20c
10c and the first illumination region 10b formed towards light in part 20c sides from the boundary position of the second illumination region 10c.Shining
In the 10a of area pellucida domain, to divide the first illumination region 10b and the second illumination region 10c in the way of be formed with multiple lighting patterns
21 and multiple amendment pattern 23.It should be noted that in Fig. 1 and Fig. 2 omit multiple lighting patterns 21 and
The concrete shape of multiple amendment pattern 23, in figure 3, schematically amplifies and shows one part.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.
In order that propagating the light for coming in light guide sheet 20 to one side 20a side outgoing, multiple lighting patterns 21 are configured and is being led
The one side 20a sides of mating plate 20.Lighting pattern 21 has the concave shape towards another side 20b sides depression respectively, and is arranged at illumination
The first illumination region 10b of region 10a.The lighting pattern 21 of the first illumination region 10b possesses and enters with from by light in part 20c
Light propagate the shape (similar shape of depth and area increase) that the X1 sides come gradually increase towards X2 sides.Need explanation
It is that lighting pattern 21 is not limited to the shape shown in Fig. 3 and Fig. 4, as long as the light propagated in light guide sheet 20 can be made high
The shape of effect ground outgoing.
Multiple amendment pattern 23 is located at the second illumination region 10c of illumination region 10a, in order that being propagated in light guide sheet 20
Light to one side 20a side outgoing, the one side in light guide sheet 20 is configured in the same manner as the lighting pattern 21 of the first illumination region 10b
20a sides.Amendment pattern 23 is set to the shape similar to lighting pattern 21, and possesses than positioned at the vicinity of the second illumination region 10c
Lighting pattern 21 the small shape of maximum shape.Amendment pattern 23 is also in the second illumination region 10c and the first illumination region 10b
Border near, possess with the shape tapered into towards opposite side peripheral part 20d sides from the first illumination region 10b sides
(similar shape that depth diminishes with area).
Next, as comparative example, to the lighting display device 100 and the structure of light guide 1 that do not possess present embodiment
Situation illustrate.Fig. 7 is the exploded perspective view of the lighting display device and light guide for representing comparative example.
As shown in fig. 7, the lighting display device 800 and light guide 801 of comparative example with top view with supporting course 830
The mode of overlap is provided with photomask 811.Photomask 811 is for example printed to light guide sheet 820 by using methods such as silk-screen printings and had
There is the ink (black ink etc.) of light-proofness and make the ink solidify to be formed.It should be noted that supporting course 830, reflector plate 841, light
Source 860, the supporting course 30 of base station 870 and lighting display device 100 and light guide 1, reflector plate 41, light source 60, base station 70 are identical.
The pattern same with the lighting pattern 21 of lighting display device 100 and light guide 1 is formed at illumination region by light guide sheet 820
810a。
Due to being provided with photomask 811, the illumination region 810a of 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 top view).Therefore, in order that illumination region 810a
As the position for from the opposite side peripheral part 820d opposed with light in part 820c separate, such as it is electronic instrument etc. in attached portion
Edge in the case of, it is impossible to illumination is to the front of the edge.
On the other hand, in the lighting display device 800 of comparative example, in the case where photomask 811 is not provided with, will be with photograph
The pattern that the lighting pattern 21 of obvious showing device 100 and light guide 1 is same is formed continuously to opposite side peripheral part 820d.The feelings
Under condition, a part for the light reflected by opposite side peripheral part 820d in light guide sheet 820 is in the vicinity of opposite side peripheral part 820d
Outgoing.Therefore, the region along opposite side peripheral part 820d relatively bright burns is produced.If it should be noted that reduction is right
The reflection (if, increase passing through for light losing) at the 820d of side peripheral part is put, uneven illumination, but illumination region can be also reduced
The luminance reduction of 810a.In addition, the region of supporting course 830 and its region of inner side are configured with top view, in light guide sheet
The reflection of the light propagated in 820 is different, therefore sometimes along plan-position corresponding with the edge of opening portion 830a, lightness is in bar
Line shape ground 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.Thus, the first illumination region is adjusted
The difference of the brightness of 10b and the second illumination region 10c, it is not necessary to hide the vicinity of opposite side peripheral part 20d and can be used
Make illumination region 10a.
Specifically, supporting course 30 under top view at least with configured along opposite side peripheral part 20d, illumination region
The second illumination region 10c of 10a is overlapped.Multiple amendment patterns 23 located at the second illumination region 10c are formed as than positioned at second
The small shape of the maximum shape of the lighting pattern 21 of the vicinity of illumination region 10c.Due to being changed by correcting the shape of pattern 23
Become the efficiency of outgoing, therefore the amount (lightness) of outgoing is adjusted according to its size.In addition, amendment pattern 23 is in the second lighting area
Near the border of domain 10c and the first illumination region 10b, possess with from the first illumination region 10b sides towards opposite side peripheral part
20d sides and the shape that tapers into.Thus, so that in the amount (lightness) and the first lighting area of the second illumination region 10c outgoing
Domain 10b sides become identical mode and are adjusted, along opening portion 30a edge border close to identical lightness around,
The border of the first illumination region 10b and the second illumination region 10c becomes unobtrusively.
It should be noted that can also be according to the face for changing supporting course 30 to the illumination region 10a tones being illuminated
Color.In addition, in the width (interval between the edge of opposite side peripheral part 20d and opening portion 30a) of supporting course 30 situation wider
Under, amendment pattern 23 is near the border of the second illumination region 10c and the first illumination region 10b with from the first illumination region
10b sides diminish towards opposite side peripheral part 20d sides, then turn into nearly constant size in opposite side peripheral part 20d sides, by
This realizes optimizing.In addition, in the case of the width of supporting course 30 is broader, making amendment pattern 23 in opposite side peripheral part 20d
Side turns into after nearly constant size, somewhat increases near the 20d of opposite side peripheral part, and the amendment pattern 23 is ideal.
So, the multiple amendment patterns 23 located at the second illumination region 10c have adjustment bright with the first illumination region 10b
The function of the difference of degree.In other words, the second illumination region 10c possesses adjustment with 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 to as described above multiple amendments of the shape similar to lighting pattern 21
Pattern 23, it is also possible to be set to the shapes different from lighting pattern 21.
Hereinafter, the effect that the lighting display device 100 and light guide 1 of first embodiment are brought is illustrated.
The light guide 1 of first embodiment has can pass through the light from light source 60 and one side 20a sides turn into lighting area
The reflecting layer of the light guide sheet 20 for being formed as sheet of domain 10a and the light of the another side 20b sides leakage for being reflected in light guide sheet 20
40.Illumination region 10a can be shone by propagating the light entered from the light in part 20c located at the side of light guide sheet 20
It is bright.And, when from one side 20a side top view, illumination region 10a possesses：First illumination region 10b, it possesses makes leading
Multiple lighting patterns 21 of the light outgoing for coming are propagated in mating plate 20；And the second illumination region 10c, its along with light in part 20c
Opposed opposite side peripheral part 20d and form banding, it is bright with the first illumination region 10b that the second illumination region 10c possesses adjustment
The brightness correction portion 22 of the difference of degree.
According to the structure, the of banding is formed along the opposite side peripheral part 20d opposed with light in part 20c of light guide sheet 20
Two illumination region 10c possess brightness correction portion 22, and the illuminations of the first illumination region 10b and second are adjusted using brightness correction portion 22
The difference of the brightness of region 10c.Thus, light guide sheet 20 can be without hiding the opposite side peripheral part 20d opposed with light in part 20c
Vicinity 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
Vicinity untill be set to illumination region 10a, can optimize space efficiency and realize miniaturization.
In addition, the lighting pattern 21 of the first illumination region 10b possesses with from light in part 20c sides towards the second illumination region
10c sides and the shape that gradually increases, the brightness correction portion 22 of the second illumination region 10c is by being set to the shape similar to lighting pattern 21
Multiple amendment patterns 23 of shape are constituted.And, amendment pattern 23 possesses than the illumination figure positioned at the vicinity of the second illumination region 10c
The small shape of the maximum shape of case 21.
According to the structure, by the shape that brightness correction portion 22 is set to the lighting pattern 21 than the first illumination region 10b
The amendment pattern 23 of small similar shape, reduces the light of the outgoing in the second illumination region 10c, therefore, it is possible to be adjusted to not make
The brightness of the second illumination region 10c become too strong.Further, since can be with the lighting pattern 21 of the first illumination region 10b in the lump
Ground forms brightness correction portion 22, therefore, it is possible to easily set the second illumination region 10c.
In addition, amendment pattern 23 possess near the border of the second illumination region 10c and the first illumination region 10b with from
The shape that first illumination region 10b sides taper into towards opposite side peripheral part 20d sides.
According to the structure, because the shape for correcting pattern 23 is gradually changed, therefore become to be not easy visual confirmation first to shine
The border of area pellucida domain 10b and the second illumination region 10c.
In addition, lighting pattern 21 is configured in the one side 20a sides of light guide sheet 20, it is recessed with what is be recessed towards another side 20b sides
Shape.
According to the structure, can make to propagate the light effectively outgoing for coming in light guide sheet 20.In addition, being able to easily form
Light guide sheet 20.
In addition, the light guide 1 of present embodiment is characterised by, have for fixing in the another side 20b sides of light guide sheet 20
The supporting course 30 of light guide sheet 20, supporting course 30 is configured at least along opposite side peripheral part 20d, and under top view with
Second illumination region 10c is overlapped.
According to the structure, using under top view with as the Chong Die side of the supporting course 30 one of the reason for brightness irregularities
Formula is provided with the second illumination region 10c, therefore, it is possible to be adjusted using brightness correction portion 22 because being configured along opposite side peripheral part 20d
Supporting course 30 and the difference with the brightness of the first illumination region 10b that causes.
In addition, the light guide 1 of first embodiment can also make supporting according to the tone being illuminated to illumination region 10a
Layer 30 is coloured.
According to the structure, the color of supporting course 30 is changed by the color with luminous light with being consistent, can reduced and
The difference of the tone of one illumination region 10b.
In addition, the light guide 1 of first embodiment is characterised by, reflecting layer 40 is to be fixed on light guide sheet across supporting course 30
20 reflector plate 41.
According to the structure, by using reflector plate 41, it is possible to increase brightness.In addition, the color by changing reflector plate 41,
Can be used for adjusting tone.
In addition, the lighting display device 100 of first embodiment possesses light guide 1 and is configured to light in part 20c
The light source 60 of incident light.
According to the structure, by using the first illumination region 10b of adjustment and the second illumination along opposite side peripheral part 20d
The difference of the brightness of region 10c is simultaneously all set to the light guide 1 of illumination region 10a untill the 20d of opposite side peripheral part, can optimize
Space efficiency and realization miniaturization.
[second embodiment]
Fig. 5 is the outside drawing of the lighting display device 200 and light guide 2 for representing second embodiment of the present invention, Fig. 5's
A () is top view, (b) of Fig. 5 is front view.Fig. 6 is the exploded perspective view for representing lighting display device 200 and light guide 2.
The lighting display device 200 and light guide 2 of second embodiment are being configured without this point of reflector plate 41 and first in fact
The lighting display device 100 and light guide 1 for applying mode are different.The lighting display device 100 of other components and first embodiment
And light guide 1 is identical, omitted the description using identical reference.
In the light guide 2 of present embodiment, the reflecting layer of the light leaked as the another side 20b sides for being reflected in light guide sheet 20
40, make use of the surface of base station 70.It should be noted that base station 70 is preferably provided with the resist layer of protection.Can be against corrosion by this
Layer is set to reflecting layer 40, it is also possible to which the material that reflectivity white color system high is laminated on resist layer is set into reflecting layer 40.
The lighting display device 200 and light guide 2 of present embodiment are provided with light in part in the side of the X1 sides of light guide sheet 20
20c, from the light that the light in part 20c opposed with light source 60 enters while being reflected by one side 20a and another side 20b in leaded light
Propagated in piece 20, thus, it is possible to be illuminated 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 the second illumination region 10c of banding and the side from the second illumination region 10c
Boundary is positioned against the first illumination region 10b of light in part 20c sides formation.In illumination region 10a, to divide the first illumination region
The mode of 10b and the second illumination region 10c is formed with multiple lighting patterns 21 and multiple amendment patterns 23.Amendment pattern 23
It is set to the shape similar to 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.Thus, adjustment the
The difference of the brightness of one illumination region 10b and the second illumination region 10c, it is not necessary to hide opposite side peripheral part 20d vicinity and
Illumination region 10a can be used as.Multiple amendment patterns 23 located at the second illumination region 10c have adjustment with the first illumination
The function of the difference of the brightness of region 10b.In other words, the second illumination region 10c possess adjustment it is bright with the first illumination region 10b
The brightness correction portion 22 of the difference of degree.Brightness correction portion 22 is not limited to be set to as described above similar to lighting pattern 21
Multiple amendment patterns 23 of shape, it is also possible to be set to the shapes different from lighting pattern 21.
Hereinafter, the effect that the lighting display device 200 and light guide 2 of second embodiment are brought is illustrated.
The light guide 2 of second embodiment has can pass through the light from light source 60 and one side 20a sides turn into lighting area
The reflecting layer of the light guide sheet 20 for being formed as sheet of domain 10a and the light of the another side 20b sides leakage for being reflected in light guide sheet 20
40.Illumination region 10a can be shone by propagating the light entered from the light in part 20c located at the side of light guide sheet 20
It is bright.And, when from one side 20a side top view, illumination region 10a possesses：First illumination region 10b, it possesses makes leading
Multiple lighting patterns 21 of the light outgoing for coming are propagated in mating plate 20；And the second illumination region 10c, its along with light in part 20c
Opposed opposite side peripheral part 20d and form banding, it is bright with the first illumination region 10b that the second illumination region 10c possesses adjustment
The brightness correction portion 22 of the difference of degree.
According to the structure, the of banding is formed along the opposite side peripheral part 20d opposed with light in part 20c of light guide sheet 20
Two illumination region 10c possess brightness correction portion 22, and the illuminations of the first illumination region 10b and second are adjusted using brightness correction portion 22
The difference of the brightness of region 10c.Thus, light guide sheet 20 can be without hiding the opposite side peripheral part 20d opposed with light in part 20c
Vicinity 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
Vicinity untill be set to illumination region 10a, can optimize space efficiency and realize miniaturization.
In addition, the lighting pattern 21 of the first illumination region 10b possesses with from light in part 20c sides towards the second illumination region
10c sides and the shape that gradually increases, the brightness correction portion 22 of the second illumination region 10c is by being set to the shape similar to lighting pattern 21
Multiple amendment patterns 23 of shape are constituted.And, amendment pattern 23 possesses than the illumination figure positioned at the vicinity of the second illumination region 10c
The small shape of the maximum shape of case 21.
According to the structure, by the shape that brightness correction portion 22 is set to the lighting pattern 21 than the first illumination region 10b
The amendment pattern 23 of small similar shape, reduces the light of the outgoing in the second illumination region 10c, therefore, it is possible to be adjusted to not make
The brightness of the second illumination region 10c become too strong.Further, since can be with the lighting pattern 21 of the first illumination region 10b in the lump
Ground forms brightness correction portion 22, therefore, it is possible to easily set the second illumination region 10c.
In addition, amendment pattern 23 near the border of the second illumination region 10c and the first illumination region 10b, possess with
From the shape that the first illumination region 10b sides taper into towards opposite side peripheral part 20d sides.
According to the structure, because the shape for correcting pattern 23 is gradually changed, therefore become to be not easy visual confirmation first to shine
The border of area pellucida domain 10b and the second illumination region 10c.
In addition, lighting pattern 21 is configured in the one side 20a sides of light guide sheet 20, it is recessed with what is be recessed towards another side 20b sides
Shape.
According to the structure, can make to propagate the light effectively outgoing for coming in light guide sheet 20.In addition, being able to easily form
Light guide sheet 20.
In addition, the light guide 2 of second embodiment is characterised by, have for solid in the another side 20b sides of light guide sheet 20
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 top view
Two illumination region 10c are overlapped.
According to the structure, using under top view with as the Chong Die side of the supporting course 30 one of the reason for brightness irregularities
Formula is provided with the second illumination region 10c, therefore, it is possible to be adjusted using brightness correction portion 22 because being configured along opposite side peripheral part 20d
Supporting course 30 and the difference with the brightness of the first illumination region 10b that causes.
In addition, the light guide 2 of second embodiment can also make supporting according to the tone being illuminated to illumination region 10a
Layer 30 is coloured.
According to the structure, the color of supporting course 30 is changed by the color with luminous light with being consistent, can reduced and
The difference of the tone of one illumination region 10b.
In addition, the lighting display device 100 of second embodiment possesses light guide 2 and is configured to light in part 20c
The light source 60 of incident light.
According to the structure, by using the first illumination region 10b of adjustment and the second illumination along opposite side peripheral part 20d
The difference of the brightness of region 10c simultaneously will all be set to the light guide 2, Neng Gouyou of illumination region 10a untill the 20d of opposite side peripheral part
Change space efficiency and realize miniaturization.
The present invention is not limited to above-mentioned implementation method, carried out in the range of purport various changes that can not depart from
Implement.For example can deform to implement as described below, these situations fall within 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 pasty state by coatings such as printings
Material.
(2) in the present embodiment, lighting pattern 21 has the concave shape towards another side 20b sides depression, and located at photograph
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 lighting patterns 21 are configured in the one side 20a sides of light guide sheet 20, but it is also possible to become
More configure in another side 20b sides.
Claims (8)
1. a kind of light guide, it has：
Be formed as the light guide sheet of sheet, it can pass through the light from light source, and a surface side turns into illumination region；And
Reflecting layer, the light of another surface side leakage that it is reflected in the light guide sheet,
The illumination region can be shone by propagating the light entered from the light in part located at the side of the light guide sheet
It is bright,
The light guide is characterised by,
When from the surface side top view, the illumination region has：First illumination region, it possesses makes in the leaded light
Multiple lighting patterns of the light outgoing for coming are propagated in piece；And second illumination region, it is along opposed with the light in part right
Put side peripheral part and form banding,
Second illumination region possesses the brightness correction portion of adjustment and the difference of the brightness of first illumination region.
2. light guide according to claim 1, it is characterised in that
The lighting pattern of first illumination region possesses with from the light in part side towards second illumination region
Side and the shape that gradually increases,
Corrected by being set to the multiple of the shape similar to the lighting pattern in the brightness correction portion of second illumination region
Pattern is constituted,
The amendment pattern possesses smaller than the maximum shape of the lighting pattern positioned at the vicinity of second illumination region
Shape.
3. light guide according to claim 2, it is characterised in that
The amendment pattern possesses with from described near border of second illumination region with first illumination region
The shape that first illumination region side tapers into towards opposite side peripheral part side.
4. light guide according to any one of claim 1 to 3, it is characterised in that
The lighting pattern is configured in a surface side of the light guide sheet, and with the spill towards another surface side depression
Shape.
5. light guide according to claim 4, it is characterised in that
There is the supporting course for fixing the light guide sheet in described another surface side of the light guide sheet,
The supporting course is configured at least along the opposite side peripheral part, and under top view with second illumination region
Overlap.
6. light guide according to claim 5, it is characterised in that
The supporting course is colored according to the tone being illuminated to the illumination region.
7. the light guide according to claim 5 or 6, it is characterised in that
The reflecting layer is the reflector plate that the light guide sheet is fixed on across the supporting course.
8. a kind of lighting display device, it is characterised in that
The lighting display device possesses：
Light guide any one of claim 1 to 7；And
Light source, it is configured to the light in part incident light.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015251857A JP6521252B2 (en) | 2015-12-24 | 2015-12-24 | Light guide and illuminated display |
| JP2015-251857 | 2015-12-24 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106920486A true CN106920486A (en) | 2017-07-04 |
| CN106920486B CN106920486B (en) | 2019-10-25 |
Family
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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) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3719392B1 (en) * | 2017-11-30 | 2023-01-04 | Alps Alpine Co., Ltd. | Illumination device |
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| 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 |
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- 2016-09-26 KR KR1020160123099A patent/KR101915137B1/en active IP Right Grant
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
| JP2011100724A (en) * | 2009-10-09 | 2011-05-19 | Mitsubishi Rayon Co Ltd | Image display device |
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| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| KR101915137B1 (en) | 2018-11-05 |
| KR20170076540A (en) | 2017-07-04 |
| CN106920486B (en) | 2019-10-25 |
| JP2017117649A (en) | 2017-06-29 |
| JP6521252B2 (en) | 2019-05-29 |
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