CN110242936A - Leaded light component and the lighting device for using the leaded light component - Google Patents
Leaded light component and the lighting device for using the leaded light component Download PDFInfo
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- CN110242936A CN110242936A CN201810192604.9A CN201810192604A CN110242936A CN 110242936 A CN110242936 A CN 110242936A CN 201810192604 A CN201810192604 A CN 201810192604A CN 110242936 A CN110242936 A CN 110242936A
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- light
- led chip
- emitting surface
- guide plate
- aperture
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- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V2200/00—Use of light guides, e.g. fibre optic devices, in lighting devices or systems
- F21V2200/20—Use of light guides, e.g. fibre optic devices, in lighting devices or systems of light guides of a generally planar shape
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Planar Illumination Modules (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The present invention relates to field of lamp illumination, disclose a kind of leaded light component and the lighting device using the leaded light component, including light guide plate, have incidence surface and light-emitting surface；Multiple LED chips along the edge of light guide plate, and correspond to incidence surface, to provide that spacing arrangement is arranged；Aperture, it is arranged along light guide plate the same side corresponding with multiple LED chips edge, and penetrates through light guide plate, wherein light-emitting surface includes the first light-emitting surface and the second light-emitting surface parallel to each other, first light-emitting surface is perpendiculared to one another with incidence surface, and the second light-emitting surface is perpendiculared to one another with incidence surface；First light-emitting surface includes luminous zone and light mixing area；In the luminous zone of the first light-emitting surface, equipped with LED chip is incident to the optical point that the light portion inside light guide plate reflexes to the first light-emitting surface and the second light-emitting surface；Light mixing area has smooth surface, is arranged along the edge of light guide plate；Aperture corresponds to the opening of the first light-emitting surface, is arranged in light mixing area.The present invention can effectively eliminate the shade that aperture generates on light guide plate, keep uniform in light emission comfortable.
Description
Technical field
The present invention relates to field of lamp illumination, in particular to a kind of leaded light component and the illumination dress using the leaded light component
It sets.
Background technique
The effect of light guide plate be by script by LED particle point light source groups at linear light source be converted into area source, be backlight
Significant components in tool, side incident type light guide plate gradually becomes mainstream at present, its biggest advantage is that thickness it is thin, it is light-weight,
It is at low cost.But side incident type light guide plate, can be solid because of the installation of lamps and lanterns since its light is to enter light guide plate from edge
Determine component and other function corollary apparatus generates shade, affects beauty and out light comfort level.
To solve this problem, one CN201010003969.6 of patent document disclose a kind of light guide plate, backlight module with
And the method for conduction light.Its light guide plate include: " bottom surface, a light-emitting surface opposite with the bottom surface and connect the bottom surface with should
One incidence surface of light-emitting surface, and a light enters the incidence surface and carries out conducting the light guide plate in the light guide plate further include: one
With at least transparent substrates of a perforation and a first groove；The first groove is set on the transparent substrates and position
Around the perforation ", i.e., groove is set around light guide plate perforation, make light into the light guide plate perforation and groove it
Between reflected, and then the up and down direction around the perforation is made to go out light.Although the light conducting plate structure can partially solve shadow problem,
But it increases process, increases difficulty of processing, and the structure affects the intensity around perforation, lacks production and application
Practicability.
Two CN200810306481.3 of patent document discloses a kind of method and its dress for eliminating cast shadow of light guide component
It sets.Its scheme be include " a leaded light component, with an incidence surface and the light-emitting surface that intersects with the incidence surface；An at least light
Source body faces the side position between incidence surface and the light-emitting surface set on the leaded light component, makes caused by the light source body at least office
Portion's light can be projeced into the light-emitting surface table side.", i.e., by changing the relative positional relationship of light source and leaded light component, make part light
Line is directly projeced on light-emitting surface, to make the light that can roll at the light-emitting surface of rear periphery that hole location original can generate shade
It injects in leaded light component, the shade for originating in and being born in the hole location rear periphery can be effectively eliminated whereby.The device is to a certain degree
On can solve shadow problem, but its relative positional relationship for being limited by light source and leaded light component, so as to cause leaded light component volume
The a variety of Land use systems for becoming larger, and limiting light guide plate itself.
Summary of the invention
In view of the deficiencies of the prior art, the present invention provides a kind of leaded light component, comprising: light guide plate has incidence surface and goes out
Smooth surface；LED chip mounting portion is arranged in such a way that the multiple LED chips installed thereon are towards incidence surface；Aperture, along light guide plate
The setting of the same side corresponding with multiple LED chips edge, and penetrate through light guide plate.Light-emitting surface includes the first light-emitting surface parallel to each other
With the second light-emitting surface, the first light-emitting surface is perpendiculared to one another with incidence surface, and the second light-emitting surface is perpendiculared to one another with incidence surface；First goes out light
Face includes luminous zone and light mixing area；In the luminous zone of the first light-emitting surface, equipped with the light being incident to LED chip inside light guide plate
Part reflexes to the optical point of the first light-emitting surface and the second light-emitting surface；Light mixing area has smooth surface, and the edge along light guide plate is set
It sets；Aperture corresponds to the opening of the first light-emitting surface, is arranged in light mixing area.
In the present invention, the light that LED chip issues enters the inside of the light guide plate by the incidence surface of light guide plate,
In, a part of light is incident to the optical point of first light-emitting surface perpendicular with light guide plate incidence surface, and light is incident to the optics
When point, light will change its reflection angle, the i.e. total reflection phenomenon of destruction light transmitting, and reflection and scattering will occur for light, and
It being irradiated to each different directions, part of light with the first light-emitting surface the second light-emitting surface disposed in parallel by projecting, certainly,
It has after some light from LED chip is first incident to second light-emitting surface of light guide plate and reflexes to the light guide plate first light out again
The optical point in face, and above-mentioned change reflection angle is completed, so that some light is projected by the second light-emitting surface of light guide plate.
In the present invention, in the light mixing area for being not provided with optical point, total reflection phenomenon, light mixing are destroyed due to not having optical point
The corresponding portion in area does not have light injection.In the case that aperture is arranged in light mixing area, entering from light guide plate side can be made
Smooth surface enters the light of light guide plate, and when covering generation shade by aperture, which falls in the light mixing area that no light projects, institute
Will not be observed visually by user, to improve the aesthetics of leaded light component.
Preferably, the first LED chip group being arranged corresponding to aperture, Yi Jifei are provided on LED chip mounting portion
The second LED chip group being arranged corresponding to aperture, wherein the unit area LED arranging density of the first LED chip group, greatly
In the unit area LED arranging density of the second LED chip group.
The light-emitting area that LED chip arranges more intense light sources is bigger, so that the light that LED chip issues is closer to linear light
Source, the penumbra that the light and irradiation aperture that can use the mutual sending of LED chip generate eliminates umbra, so that light shines
The shade umbra for penetrating aperture generation reduces, and degree weakens, and so that it will not be observed by user, improves the beauty of leaded light component
Degree.
Preferably, in the first LED chip group, along light guide plate edge between arranged in parallel and adjacent LED chip between
Away from less than the spacing in the second LED chip group, along light guide plate edge between arranged in parallel and adjacent LED chip.
Spacing between point light source is smaller, then density is bigger, linear light source more easy to form, to be easy to utilize LED chip
The light and penumbra of mutual generation weaken the umbra that aperture is formed.Arrangement uniformly makes to show that light is more equal in LED chip group simultaneously
It is even comfortable.
Preferably, the distance between the LED chip in the first LED chip group and the light guide plate are different from the second LED core
The distance between LED chip and the light guide plate in piece group.
By adjusting partial LED chip at a distance from light guide plate, so that corresponding in the first LED chip group of aperture
LED chip, farther away from incidence surface, can be such that aperture shade degree weakens compared with the LED chip in the second LED chip group
To make aperture shade be not easy to be observed, the aesthetics of leaded light component is further improved.
Preferably, the pattern that the optical point of light mixing area and luminous zone interface edge is formed is defined pattern, and LED chip
The aperture umbra that irradiation aperture generates is fallen in the light mixing area side of above-mentioned defined pattern.
It is set as predetermined pattern by the pattern for forming the optical point in light mixing area and luminous zone interface edge, so that LED core
The aperture umbra that piece irradiation aperture generates falls in predetermined pattern and is formed by light mixing area, and aperture umbra will not be by not projecting light
The light mixing area of line and be observed visually by user, so shade can be effectively eliminated.Simultaneously, it is specified that pattern can also be appropriate
Reduce the area ratio that light mixing area accounts for light guiding surface entirety, it is ensured that luminous luminous zone area, to enhance going out for leaded light component
Brightness.
Preferably, the pattern that the optical point of light mixing area and luminous zone interface edge is formed includes petal-shaped, semicircle shape, tree
Shape, regular geometric figure, auspicious cloud shape, at least one of stereo 3D graphics.
Aperture shade is agreed with using pattern defined above, aperture shade is made to fall in non-luminous light mixing area to make shade not
As it can be seen that while increasing emitting brightness, also increasing beauty function by pattern ensuring luminous zone area ratio.
Preferably, in luminous zone, close to the optics dot density of the opening adjacent portion of opening, greater than the optical point of other parts
Density.
Part increases optics dot density, especially increases the optics dot density of the opening adjacent portion close to opening, can make
Light enhances the emitting brightness in region at this in opening adjacent portion multiple reflections, to achieve the purpose that weaken aperture shade.
Preferably, close to the opening adjacent parts of opening in the side opposite with the LED chip that be open.
The adjacent portion that will be open is set to the side opposite with LED chip that be open, the i.e. side of shade generation, locally increases the area
Domain is particularly corresponding to the optics dot density for the opening adjacent portion that aperture shade is fallen in, being capable of more targeted enhancement region
Domain brightness, to eliminate aperture shade while use light more evenly.
Preferably, LED chip mounting portion is PCB.
PCB can facilitate the multiple LED chips of permutation and combination, by determining the positional relationship of PCB and light guide plate, can determine
Multiple LED chips and light guide plate relative position and angle, it is ensured that leaded light component can be provided in a manner of realizing and eliminating aperture shade
Area source.
Preferably, light guide plate is made of PMMA (polymethyl methacrylate) or PC (polycarbonate).
The light that light source issues enters inside light guide plate from the plane of incidence, and transmission loss is since light guide panel material itself is to light
Degree of absorption determined, therefore the medium such as PMMA (polymethyl methacrylate) or PC (poly- carbon high using light transmittance
Acid esters) loss of the light in transmission process can be reduced, sufficiently improve the emitting brightness of leaded light component.
Preferably, the optical point on light guide plate is to be formed using laser dotting, formation is formed or be molded by inkjet printing.
LED chip issues the light entered inside light guide plate and is converted direction by optical point, is reflected into the second light-emitting surface,
Area source is formed, to guarantee that area source goes out the uniform and beautiful of light, the formation of optical point needs special technique, uses with top
Required optical point design can be precisely formed in formula, and the optical point density size formed is controllable, and leaded light component can be made uniform
It shines.
The present invention also provides a kind of lighting devices, use leaded light component provided by the invention as side incident frontlighting
Component.
Leaded light component provided by the invention effectively eliminates aperture shade, is not present using the lighting device of the leaded light component
The fixed shade generated with accessory of installation, keeps lamps and lanterns uniform in light emission comfortable.
Detailed description of the invention
Fig. 1 is the leaded light component stereoscopic schematic diagram of first embodiment of the invention；
Fig. 2 is the leaded light component partial top view of second embodiment of the invention；
Fig. 3 is the leaded light component light source partial structural diagram of second embodiment of the invention；
Fig. 4 is the leaded light component local overlooking schematic diagram of third embodiment of the invention；
Fig. 5 is the leaded light component local overlooking schematic diagram of fourth embodiment of the invention；
Fig. 6 is the leaded light component local overlooking schematic diagram of fifth embodiment of the invention.
Description of symbols
A. leaded light component；1. light guide plate；11. incidence surface；12. light-emitting surface；The first light-emitting surface of 12a.；12b. second goes out light
Face；The luminous zone 12a1.；12a2. light mixing area；3.LED chip mounting portion；3a.LED chip；4. aperture；40. opening；41. aperture
Adjacent portion；5. optical point
Specific embodiment
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
Embodiment one
First embodiment of the invention provides a kind of leaded light component, and Fig. 1 is guide-lighting group of first embodiment of the invention
The stereoscopic schematic diagram of part.Shown in Figure 1, leaded light component A includes light guide plate 1 and the LED chip for being equipped with multiple LED chip 3a
Mounting portion 3, wherein light guide plate 1 is made of the good material of translucency, has incidence surface 11 and light-emitting surface 12, and light-emitting surface 12 wraps
The first light-emitting surface 12a and the second light-emitting surface 12b parallel to each other are included, wherein the first light-emitting surface 12a is Bi Cichuizhied with incidence surface 11
And second light-emitting surface 12b Bi Cichuizhi with incidence surface 11.First light-emitting surface 12a includes luminous zone 12a1 and light mixing area 12a2,
In in luminous zone 12a1 be equipped with multiple optical points 5, optical point 5 can be through laser irradiation in smooth luminous zone 12a1 originally
Part and get ready to be formed；Light mixing area 12a2 has smooth surface, sets along the edge corresponding with incidence surface 11 the first light-emitting surface 12a
It sets.
LED chip mounting portion 3, the edge along 1 side of light guide plate is arranged, and the multiple LED chip 3a directions installed thereon
Incidence surface 11, to provide spacing arrangement.
Leaded light component A further includes aperture 4, and the aperture 4 is along the same side edge corresponding with multiple LED chip 3a of light guide plate 1
Setting, and the first light-emitting surface 12a and the second light-emitting surface 12b of light guide plate 1 are penetrated through, when installing fixed leaded light component A, will fix
The insertion aperture 4 (not shown) of part such as fixed pin, for example illuminates so that leaded light component A be enable to be fixed on by the fixing piece
On device basket.Aperture 4 penetrates through the first light-emitting surface 12a and the second light-emitting surface 12b of the light guide plate 1, in the first light-emitting surface
12a there are opening 40, be arranged in light mixing area 12a2, then aperture 4 is located in the corresponding light guide plate 1 of light mixing area 12a2.
After the light that multiple LED chip 3a are issued is from incidence surface 11 into 1 inside of light guide plate, some light can be because of first
The optical point 5 of light-emitting surface 12a destroys its total reflection condition, it is made to project or reflex to the second light-emitting surface from the first light-emitting surface 12a
It is projected after 12b and forms area source, also had some light and be first incident to after the second light-emitting surface 12b of light guide plate 1 to reflex to again and lead
The optical point 5 of first light-emitting surface 12a of tabula rasa 1, and above-mentioned change reflection angle is completed, to be gone out by the first of light guide plate 1
Smooth surface 12a and the second light guiding surface 12b is projected, and so that leaded light component is shone and is formed area source.Meanwhile because multiple LED chip 3a are sent out
Light out is entered inside light guide plate 1 from the incidence surface 11 of 1 side of light guide plate, in the aperture 4 by perforation light guide plate 1
When, some light, which enters inside aperture 4, to be occurred reflection and interferes with ambient light and generate shade at rear, or is being met
When playing the role of the fixing piece such as fixed pin (not shown) of stationary positioned in insertion aperture 4, yin is generated at the rear of aperture 4
Shadow influences the aesthetics of leaded light component A so that user can observe from light-emitting surface 12, such as the second light-emitting surface 12b.
And in the present embodiment, because being not provided with optical point 5 in light mixing area 12a2, therefore light is led light mixing area 12a2 is corresponding
Total reflection occurs inside tabula rasa 1 without projecting through light-emitting surface 12a or 12b, so opening 40 is set to light mixing area 12a2, energy
The shade for enough generating aperture 4 is also incident upon at the corresponding light guide plate 1 of light mixing area 12a2 that no light projects, without penetrating
Second light-emitting surface 12b is observed by user, and the shade of aperture 4 or fixed pin generation is eliminated with this, is improved beautiful and is gone out
Light comfort level.
In the present embodiment, although being introduced by taking single-sided illumination formula as an example, in the actual implementation present invention,
It can be the side incident type LED leaded light component A of for example opposite bilateral incident type or two sides or more.
In addition, being only described with regard to the first light-emitting surface 12a and the second light-emitting surface 12b, art technology in the present embodiment
Personnel are appreciated that the present invention is not limited thereto, and other each planes in addition to incidence surface 11 of leaded light component A can be made
Implement the present invention for light-emitting surface.
In addition, in the present embodiment, only illustrate in the side corresponding to LED chip mounting portion 3 of light guide plate 1,
It is provided with light mixing area 12a1 and aperture 4 is located at light mixing area 12a1, but the present invention and be limited to this, pacify in non-corresponding in LED chip
The light mixing area of corresponding not optical point can be set, also to improve leaded light in other edge sides of the light guide plate 1 of 3 side of dress portion
The aesthetics of component A.
Embodiment two
Second embodiment of the present invention provides a kind of leaded light component.Fig. 2 is guide-lighting group of second embodiment of the invention
Part partial top view, Fig. 3 are the leaded light component light source partial structural diagrams of second embodiment of the invention.Second embodiment is
Further improvement to first embodiment, mainly thes improvement is that, in second embodiment of the present invention, referring to fig. 2-
Shown in Fig. 3, Fig. 2 is guide-lighting group amplified to 4 place light guide plate region of aperture in Fig. 1 and its corresponding LED chip mounting portion 3
Part partial top view, as shown in Fig. 2, multiple LED chip 3a points are arranged corresponding to aperture 4 according to the position of aperture 4
The first LED chip group 31, and the second LED core that adjacent but non-corresponding is arranged in aperture 4 with the first LED chip group 31
Piece group 32.
Wherein, the LED chip 3a in the first LED chip group 31 is arranged as a column, arranged in parallel along 1 edge of light guide plate
And the spacing between adjacent LED chip 3a, it is arranged in parallel along 1 edge of light guide plate less than in the second LED chip group 32
And the spacing between adjacent LED chip 3a, so being located at the arranging density of the LED chip of 31 part of the first LED chip group, greatly
In the arranging density for the LED chip for being located at 32 part of the second LED chip group.Fig. 3 is partial LED chip installation portion structure in Fig. 2
Schematic diagram, because multiple LED chip 3a are regularly arranged on PCB, therefore selected part is described, as shown in figure 3, the first LED
In chipset 31, the spacing of single led chip a ' adjacent to each other and single led chip b ' are less than in the second LED chip group 32
The spacing of single led chip a and single led chip b therefore, the unit area LED arranging density of the first LED chip group 31, greatly
In the unit area LED arranging density of the second LED chip group 32.LED chip arrangement is more intensive, makes the first LED chip group 31 more
Close to linear light source, light-emitting area is bigger, and light irradiation 4 shade of aperture issued using it reduces shade.Utilization pair simultaneously
The penumbra of each LED chip irradiation aperture 4 generation shade it should disappear each other in the first LED chip group 31 that aperture 4 is arranged
Except its umbra, so that it will not be observed through light-emitting surface 12b by user.It is smaller that LED chip arranges more intensive umbra, while partly
The degree of shadow is also weaker, and the effect of generation is more preferable.
In the present embodiment, pass through the spacing between the LED chip 3a in the first LED chip group 31 of reduction, Lai Tigao first
The arranging density of unit area LED chip in LED chip group 31, can also be it is further preferred that by the first LED chip group 31
Multiple LED chip 3a between spacing, to be directed away from the direction of aperture 4, incrementally increase until with the second LED chip group 32
In LED chip 3a spacing it is identical until mode, gradually gradual change arranges.Make in the first LED chip group 31 in this way
LED chip 3a is in the more crypto set at the aperture 4, and gradually smooth change, can be with to the arranging density of the second LED chip group 32
The shade that aperture 4 generates preferably is eliminated, so that the brightness of 1 part of light guide plate corresponding with the first LED chip group 31, more flat
It is transitioned into the brightness of 1 part of light guide plate corresponding with the second LED chip group 32 slidingly, so that leaded light component goes out light as area source
It is more uniform comfortable and beautiful.
In the present embodiment, the dense arrangement of the first LED chip group 31, be easy to bring unit area radiating requirements high is asked
Topic, therefore, in the present embodiment, for the first LED chip group 31, is provided with corresponding cooling mechanism at its back side to improve the portion
The heat dissipation performance divided.
Embodiment three
Third embodiment of the present invention provides a kind of leaded light component.Fig. 4 is to 4 place light guide plate area of aperture in Fig. 1
Domain and its amplified leaded light component partial top view of corresponding LED chip mounting portion 3.Third embodiment is implemented to second
The further improvement of mode, mainly thes improvement is that, in third embodiment of the present invention, in the first LED chip group 31
LED chip 3a and the distance between light guide plate, different between the LED chip 3a and light guide plate in the second LED chip group 32
Distance.
Further, shown in Figure 4, the first LED chip group 31 by correspond to 4 diameter of aperture point light source groups at,
Distance to aperture 4 is greater than the distance that the second LED chip group 32 that non-corresponding is arranged in aperture 4 arrives aperture 4.Pass through increase
First LED chip group 31 weakens the emitting brightness at aperture 4 at a distance from aperture 4, and shade degree also accordingly weakens, and at this time
The light that the LED chip 3a of neighbouring first LED chip group 31 is generated in two LED chip groups 32 is irradiated near aperture 4, is aperture
The region that emitting brightness weakens at 4 provides light, can play the role of light filling.
Further, unlike embodiment two, the unit area of the first LED chip group 31 in the present embodiment
LED arranging density is not necessarily greater to the unit area LED arranging density of the second LED chip group 32, and preferably the 2nd LED
The area arrangement density of neighbouring first LED chip group 31 is bigger in chipset 32, and the region that only 4 emitting brightness of aperture weakens mentions
For more light, it is more evenly comfortable also to use light.
Example IV
4th embodiment of the invention provides a kind of leaded light component.Fig. 5 is guide-lighting group of fourth embodiment of the invention
Part local overlooking schematic diagram.4th embodiment be to first embodiment into second embodiment any one embodiment
Improvement, mainly the improvement is that, shown in Figure 5 in the 4th embodiment of the invention, Fig. 5 is to aperture in Fig. 1
The formation of optical point 5 of the 4 amplified partial top views in place light guide plate region, light mixing area 12a2 and luminous zone 12a1 interface edge
Pattern be defined pattern, including petal-shaped, semicircle shape is tree-like, regular geometric figure, auspicious cloud shape, stereo 3D graphics etc., and
4 umbra of aperture that LED chip 3a irradiation aperture 4 generates is fallen in the light mixing area side 12a2 of above-mentioned defined pattern.
Shown in Figure 5, it is opposite with LED chip 3a that the aperture umbra that LED chip 3a irradiation aperture 4 generates is located at aperture 4
Side it is radial, near opening 4 at degree it is most strong.By the optics of light mixing area 12a2 and luminous zone 12a1 interface edge
The pattern that point 5 is formed is set as semicircle shape, and the position light mixing area 12a2 width where half circular top part is maximum, and makes 4 umbra position of aperture
At the semicircle inside center.Identical, any compulsory figure should all make its top light mixing area 12a2 the widest part and as far as possible
More makes 4 umbra of aperture fall within light mixing area 12a2.The corresponding portion of light mixing area 12a2 does not have light injection, falls 4 umbra of aperture
It can not then be observed through light-emitting surface by user in herein, achieve the purpose that eliminate shade.Simultaneously, it is specified that pattern can also
The appropriate area ratio for reducing light mixing area 12a2 and accounting for the first light-emitting surface 12a entirety, it is ensured that luminous luminous zone 12a1 area, thus
The emitting brightness of leaded light component A is enhanced, and beauty function is increased by pattern.
Embodiment five
5th embodiment of the invention provides a kind of leaded light component.Fig. 6 is guide-lighting group of fifth embodiment of the invention
Part local overlooking schematic diagram.5th embodiment be to first embodiment into second embodiment any one embodiment
Improvement, mainly the improvement is that, shown in Figure 6 in the 5th embodiment of the invention, the office on the 12a1 of luminous zone
Portion increases 5 density of optical point of the aperture adjacent portion 41 of aperture 4, makes 5 density of optical point of aperture adjacent portion 41, is greater than other
Partial 5 density of optical point, aperture adjacent portion 41 can be the region same or about with the shade of the generation of aperture 4,.Cause
For enter light guide plate 1 inside light be reflected by optical point 5 second light-emitting surface 12b formation area source, with aperture 4
The same or about aperture adjacent portion 41 of the shade of generation makes light in aperture in a manner of locally increasing 5 density of optical point
Adjacent portion 41 is reflected more times, more effectively eliminates aperture so as to reinforce the emitting brightness of shade position itself with this
4 shades generated, while using light more evenly.
In the present embodiment, by increasing 5 density of optical point of aperture adjacent portion 41, going out at light guide plate is corresponded to increase it
Brightness eliminates 4 shade of aperture with this, can also be it is further preferred that by 5 density of optical point of aperture adjacent portion 41 by close
Gradually successively decrease outward at aperture 4 setting, until it is identical as 5 density of optical point of luminous zone 12a1 rest part, opening light
The order of reflection of hole adjacent portion 41 successively decreases from inside to outside, and emitting brightness is also successively decreased, with this come eliminate from aperture 4 generate and gradually
4 shade of aperture of decrease is transitioned into light guide plate 1 so that the brightness in the region is more smooth in light guide plate 1 corresponding to luminous
The brightness in the area region 12a1 makes leaded light component A go out light more evenly comfortable.
Embodiment six
Sixth embodiment of the invention provides a kind of leaded light component.Sixth embodiment be to first embodiment extremely
The improvement of any one embodiment, mainly thes improvement is that in second embodiment, and LED chip mounting portion is PCB, PCB
Installation is combined with light guide plate 1 by fixation kit (not shown).Using PCB can permutation and combination be pre- buries multiple LED chip 3a,
It is conveniently adjusted the density of multiple LED chip 3a, and by the position of the Adjusting Shape PCB of fixation kit (not shown) and light guide plate 1
Relationship is set, can determine multiple LED chip 3a and 1 relative position of light guide plate and angle, it is ensured that leaded light component A can be eliminated with realizing
The mode of aperture shade provides area source.
Embodiment seven
7th embodiment of the invention provides a kind of leaded light component.7th embodiment be to first embodiment extremely
The improvement of any one embodiment, mainly thes improvement is that in second embodiment, the light guide plate 1 that leaded light component A includes
Material is the high resin object of the light transmittances such as PMMA (polymethyl methacrylate) or PC (polycarbonate), reduces light in transmission process
In loss, the light projected from LED chip 3a is sufficiently converted into area source, and effectively dissipate.
Embodiment eight
8th embodiment of the invention provides a kind of leaded light component.8th embodiment be to first embodiment extremely
The improvement of any one embodiment, mainly thes improvement is that in second embodiment, and the optical point 5 on light guide plate 1 is benefit
It is formed with laser dotting, formation is formed or be molded by inkjet printing, can accurately formed specific pattern as needed, such as implement
Pattern described in example six.And it can design to form density optics not of uniform size according to the different distance of LED chip 3a and optical point 5
Point 5, such as remoter apart from light source, fiber-loss is bigger, increases optics dot density and is sized so that uniform in light emission.
Embodiment ten
Tenth embodiment of the invention provides a kind of lighting device, has used first embodiment to the 8th embodiment party
Component of the leaded light component that any one embodiment provides in formula as side incident frontlighting.
First embodiment effectively eliminates aperture 4 to leaded light component A that the 8th embodiment provides and is inserted
The shade that fixing piece generates, and can make full use of light source, the illumination using leaded light component A as side incident frontlighting
Device uniform in light emission is comfortable.
The above is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalent structure or equivalent flow shift made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant skills
Art field, is included within the scope of the present invention.
Claims (12)
1. a kind of leaded light component, comprising:
Light guide plate has incidence surface and light-emitting surface；
LED chip mounting portion is arranged in such a way that the multiple LED chips installed thereon are towards the incidence surface；
Aperture is arranged along light guide plate the same side corresponding with multiple LED chips edge, and penetrates through the light guide plate,
It is characterized in that,
The light-emitting surface includes the first light-emitting surface and the second light-emitting surface parallel to each other,
First light-emitting surface is perpendiculared to one another with the incidence surface, and second light-emitting surface is perpendiculared to one another with the incidence surface；
First light-emitting surface includes luminous zone and light mixing area；
In the luminous zone of first light-emitting surface, reflected equipped with the LED chip is incident to the light portion inside light guide plate
To the optical point of first light-emitting surface and second light-emitting surface；
The light mixing area has smooth surface, is arranged along the edge of the light guide plate；
The aperture corresponds to the opening of the first light-emitting surface, is arranged in the light mixing area.
2. leaded light component according to claim 1, which is characterized in that be provided with and correspond on the LED chip mounting portion
The second LED chip group that the first LED chip group and non-corresponding that the aperture is arranged are arranged in the aperture,
The unit area LED arranging density of the first LED chip group, the unit area LED greater than the second LED chip group are arranged
Density.
3. leaded light component according to claim 2, which is characterized in that in the first LED chip group, along the leaded light
Spacing of the edges of boards between LED chip arranged in parallel and adjacent, less than in the second LED chip group, along the leaded light
Spacing of the edges of boards between LED chip arranged in parallel and adjacent.
4. leaded light component according to claim 2, which is characterized in that LED chip and institute in the first LED chip group
The distance between light guide plate is stated, different from the LED chip and the distance between the light guide plate in the second LED chip group.
5. leaded light component according to claim 1 or 2, which is characterized in that the light mixing area and luminous zone boundary side
The pattern that the optical point of edge is formed is defined pattern, and the LED chip is irradiated the aperture umbra that the aperture generates and fallen in
In the light mixing area side of pattern as defined in above-mentioned.
6. leaded light component according to claim 5, which is characterized in that the pattern includes petal-shaped, and semicircle shape is tree-like, rule
Then geometric figure, auspicious cloud shape, at least one of stereo 3D graphics.
7. leaded light component according to claim 1 or 2, which is characterized in that in the luminous zone, close to opening for the opening
The optics dot density of mouth adjacent portion, greater than the optics dot density of other parts.
8. leaded light component according to claim 7, which is characterized in that the opening adjacent parts in it is described opening with it is described
The opposite side of LED chip.
9. leaded light component according to claim 1 or 2, which is characterized in that the LED chip mounting portion is PCB.
10. leaded light component according to claim 1 or 2, which is characterized in that the light guide plate is by PMMA (polymethyl
Sour methyl esters) or PC (polycarbonate) be made.
11. leaded light component according to claim 1 or 2, which is characterized in that the optical point on light guide plate is to be beaten using laser
Point forms, formation is formed or be molded by inkjet printing.
12. a kind of lighting device, which is characterized in that use according to claim 1-11 described in any item leaded light components as side
Face enters the component of light frontlighting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810192604.9A CN110242936B (en) | 2018-03-09 | 2018-03-09 | Light guide assembly and lighting device using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810192604.9A CN110242936B (en) | 2018-03-09 | 2018-03-09 | Light guide assembly and lighting device using same |
Publications (2)
| Publication Number | Publication Date |
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| CN110242936A true CN110242936A (en) | 2019-09-17 |
| CN110242936B CN110242936B (en) | 2022-02-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810192604.9A Active CN110242936B (en) | 2018-03-09 | 2018-03-09 | Light guide assembly and lighting device using same |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113606561A (en) * | 2021-07-12 | 2021-11-05 | 宁波公牛光电科技有限公司 | Lamp structure |
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| CN113606561B (en) * | 2021-07-12 | 2024-01-23 | 宁波公牛光电科技有限公司 | Lamp structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110242936B (en) | 2022-02-25 |
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