CN204629365U - There is circular light guide plate and the wrist-watch thereof in uniformly light-emitting face - Google Patents
There is circular light guide plate and the wrist-watch thereof in uniformly light-emitting face Download PDFInfo
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- CN204629365U CN204629365U CN201520346900.1U CN201520346900U CN204629365U CN 204629365 U CN204629365 U CN 204629365U CN 201520346900 U CN201520346900 U CN 201520346900U CN 204629365 U CN204629365 U CN 204629365U
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Abstract
The utility model provides a kind of circular light guide plate and the wrist-watch thereof with uniformly light-emitting face, this circular light guide plate is provided with being mounted in a wrist-watch, it comprises: a body, it is a thin plate-shaped structure body, and there is an exiting surface and a ring side, and this ring side extends to form at least one installation region, be side direction type light source at least one LED light source this body relative is arranged; And a plurality of micro-structural, be located at this ring side, make the some light of this LED light source after the atomization of those micro-structurals, realize even bright dipping in this exiting surface by the guiding of this body.This wrist-watch comprises circular light guide plate as above.The utility model can improve light effectively by the outgoing light homogeneity after circular light guide plate guiding, and the anti-situation terminating in exiting surface formation local bright line or local bright, to provide better light-out effect.And the utility model can, in response to the characteristic of demand and light source, avoid circular light guide plate receive not enough light and affect emitting brightness and intensity.
Description
Technical field
The utility model relates to a kind of circular light guide plate and the wrist-watch thereof with uniformly light-emitting face.
Background technology
Light guide plate coordinates various types of light sources widely and is applied in various electronic product, as screen display, display floater, and general large and small type electronic building brick is as keyboard etc., and the purposes of light guide plate is the light of guiding light source projects, makes it to form the assembly that wish display is given in uniform bright dipping.
Existing light guide plate can be divided into side entering type or straight-down negative according to the relative light guide plate of light source for light direction, and the selection of light source kind, due to current LED technology and the lifting of usefulness, therefore many employing LED are as light source.For side entering type light source, the light of LED, after light guide plate incident sideways, produces total reflection phenomenon in light guide plate inside, makes light can from the exiting surface of light guide plate to external exposure.In order to make light can evenly and stably from light guide plate bright dipping, can arrange all kinds of microstructure to destroy light in the total reflection phenomenon of light guide plate at the reflecting surface of the exiting surface of light guide plate and relative exiting surface, the design of microstructure then must consider the every catadioptric angle etc. of every factor as the utilization rate of light and light.
Along with the expansion of range of application and the change of demand, light guide plate also gradually spreads out to stretch various shape.When light guide plate is discoideus structure, its profile can refer to Fig. 1, and the top side of described light guide plate 1 has an exiting surface 10, and bottom side has a reflecting surface 11, and microstructure can be set in described exiting surface 10 or described reflecting surface 11, at this to be provided with microstructure 12 in described exiting surface 10.After light to described light guide plate 1, several opticpath as illustrated in the drawing can be formed: the first is for scattering or refraction occurring and directly from the bright dipping of described exiting surface 10 after some light incidence, and the amount of light of described exiting surface 10 is controlled by described microstructure 12, another part is then reflected back described light guide plate 1 (L1); The second is for reflecting surface described in light contacts 11 and in described light guide plate 1 inside generation total reflection phenomenon, and when light is passed to described microstructure 12, then as the light of L1, part produces scattering or reflection and from the bright dipping of described exiting surface 10, some light is then in described light guide plate 1 internal delivery until its depleted of energy (L2); The third to be light directive property ground towards the side end face of described light guide plate 1 transmit and in distance light side and again catadioptric to described exiting surface 10 and/or described reflecting surface 11 (L3).But, as the light of L3 optical path, due to its be direct irradiation to described light guide plate 1 side end face and in proximate region catadioptric phenomenon again, light is easily caused to come together in described exiting surface 10 subregion and formed bright situation, and form a bright line or a clear zone 101 in described exiting surface 10, affect the outgoing light homogeneity of described light guide plate 1, and as shown in Figure 2.Moreover the light of L3 behind the side end face of the described light guide plate 1 of contact, need could form bright dipping through catadioptric phenomenon, and there is longer light path, also the energy of mass color line in described light guide plate 1 inside is maximum, but has minimum light extraction efficiency, causes light utilization efficiency to decline.
Utility model content
The technical problems to be solved in the utility model has to overcome existing circular light guide plate the defect that bright dipping is uneven and light utilization efficiency is low, provides a kind of circular light guide plate and wrist-watch thereof of tool uniformly light-emitting face.
Have the circular light guide plate in uniformly light-emitting face, be provided with being mounted in a wrist-watch, its feature is, this circular light guide plate comprises:
One body is a thin plate-shaped structure body, and has an exiting surface and a ring side, and this ring side extends to form at least one installation region, forms side direction type light source at least one LED light source this body relative is arranged; And
A plurality of micro-structural, is located at this ring side, makes the some light of this LED light source after the atomization of those micro-structurals, realize even bright dipping by the guiding of this body at this exiting surface.
Preferably, those micro-structurals are that plural curved arc continues the wavelike structure be connected to form.
Preferably, this installation region place is not provided with those micro-structurals.
Preferably, when this installation region is one, can be identical light direction relative to this installation region at least two these LED light sources and be set up in parallel.
Preferably, when this installation region is two, can be different bright dipping direction of illumination at least two these LED light sources difference these installation regions relative are arranged, and the light of aforementioned different bright dipping direction of illumination is mutual crossover.
Preferably, two these installation regions extend to form an angle, are provided with the utilization rate adjusting those LED light sources according to this corner dimension.
Preferably, this circular light guide plate also comprises a plurality of optics dots structure, is laid in this exiting surface.
Preferably, those optics point-like structure fabrics establishing density to be less than away from this LED light source region near those optics point-like structure fabrics in this LED light source region establish density.
Preferably, this circular light guide plate more comprises a plurality of optics dots structure, is laid in should the reflecting surface that is oppositely arranged of exiting surface.
Preferably, those optics point-like structure fabrics establishing density to be less than away from this LED light source region near those optics point-like structure fabrics in this LED light source region establish density.
The utility model is also carried and has been encircleed a kind of smart watch, and its feature is, it comprises:
One wrist-watch body; And
One backlight module, establishes with this wrist-watch body group, and is provided with the circular light guide plate as above with uniformly light-emitting face.
The utility model propose another there is the circular light guide plate in uniformly light-emitting face, comprise an oblate bright dipping body and a light inlet guidance part be connected with this oblate bright dipping body, this light inlet guidance part, in order to arrange at least one light source correspondence, is characterized in that:
This light inlet guidance part is positioned at a first ring side of this oblate bright dipping body; And
A plurality of micro-structural, is located at one second ring side of this oblate bright dipping body, and the diameter two ends that this first ring side and this second ring side are positioned at this oblate bright dipping body stand opposite each other at a distance.
Preferably, those micro-structurals are that plural curved arc continues the wavelike structure be connected to form.
Preferably, this light inlet guidance part can be identical light direction at least two these light sources and be set up in parallel.
Preferably, this light inlet guidance part can be different bright dipping direction of illuminations at least two these light sources, and the light of aforementioned different bright dipping direction of illumination is mutual crossover.
Preferably, the exiting surface normal of two these light sources extends to form an angle, is provided with the utilization rate adjusting those light sources according to this corner dimension.
Preferably, this circular light guide plate more comprises a plurality of optics dots structure, is laid in an exiting surface of this oblate bright dipping body.
Preferably, those optics point-like structure fabrics establishing density to be less than away from this light inlet guidance part near those optics point-like structure fabrics of this light inlet guidance part establish density.
Preferably, this circular light guide plate more comprises a plurality of optics dots structure, is laid in this oblate bright dipping body to should a reflecting surface of exiting surface.
Preferably, those optics point-like structure fabrics establishing density to be less than away from this light inlet guidance part near those optics point-like structure fabrics of this light inlet guidance part establish density.
Positive progressive effect of the present utility model is: in sum, circular light guide plate of the present utility model is by being located at the micro-structural of plate body side, effectively improve light by the outgoing light homogeneity after circular light guide plate guiding, the anti-situation terminating in exiting surface formation local bright line or local bright, to provide better light-out effect.And the utility model in response to the characteristic of demand and light source, can make circular light guide plate can have best light utilization rate, avoids circular light guide plate receive not enough light and affect emitting brightness and intensity.Moreover, coordinate the distribution design of optics dots structure, further the light-out effect of the circular light guide plate of homogenize.
Accompanying drawing explanation
Fig. 1 is the side view of existing circular light guide plate and light source.
Fig. 2 is the using state schematic diagram of existing circular light guide plate.
Fig. 3 is the schematic perspective view of the circular light guide plate of the utility model embodiment 1.
Fig. 4 is the side view of the circular light guide plate of the utility model embodiment 1.
Fig. 5 is the floor map of the circular light guide plate of the utility model embodiment 1.
Fig. 6 is the floor map of the circular light guide plate of the utility model embodiment 2.
Fig. 7 is the side view of the smart watch of the utility model embodiment 3.
Fig. 8 is the schematic perspective view of the circular light guide plate of the utility model embodiment 4.
Fig. 9 is the floor map of the circular light guide plate of the utility model embodiment 4.
Figure 10 is the floor map of the circular light guide plate of the utility model embodiment 5.
Description of reference numerals:
10: exiting surface
101: clear zone
11: reflecting surface
12: microstructure
L1: optical path
L2: optical path
L3: optical path
2: circular light guide plate
20: body
201: exiting surface
202: ring side
2021: installation region
203: reflecting surface
21: micro-structural
22: optics dots structure
3:LED light source
4: smart watch
40: wrist-watch body
41: backlight module
θ
1: angle
5: circular light guide plate
50: oblate bright dipping body
501: first ring side
502: the second ring sides
503: exiting surface
504: reflecting surface
51: light inlet guidance part
52: micro-structural
53: optics dots structure
6: light source
θ
2: angle
R: diameter
Detailed description of the invention
Intactly illustrate the utility model work is clearer by reference to the accompanying drawings below by way of embodiment of the present utility model.
Embodiment 1
Please refer to Fig. 3,4 and 5, it is the schematic perspective view of the utility model embodiment 1, side view and floor map.The circular light guide plate 2 in a kind of tool uniformly light-emitting face of the present utility model, in order to be arranged in a wrist-watch, it comprises a body 20 and a plurality of micro-structural 21.
Described body 20 is a thin plate-shaped structure body and is made up of transparent light-transmitting materials, and there is exiting surface 201 and a ring side 202, and described ring side 202 extends to form at least one installation region 2021, arrange for the relatively described body 20 of at least one LED light source 3 and form side direction type light source.Wherein, described installation region 2021 can be the form of single setting or multiple setting, to adjust quantity and the irradiating angle of described LED light source 3 according to demand.
Described micro-structural 21 is located at described ring side 202, forms even bright dipping after the some light of described LED light source 3 is guided by described body 20 after described micro-structural 21 is atomized in described exiting surface 201.Through the radiation direction of LED light source 3 described in described micro-structural 21 adjustable, make it produce the phenomenon of scatter reflections in described body 20, cross bright phenomenon to avoid forming local in described exiting surface 201.Described micro-structural 21 preferably, for the wavelike structure be connected to form that continues in plural curved arc, and be not provided with described micro-structural 21 in described installation region 2021 place, the light original projection affecting described LED light source 3 is avoided to affect to being subject to described micro-structural 21 during described body 20, and stable side direction type light cannot be formed, and cause the walking path of light in described body 20 disorderly.In addition, the curved arc shape of described micro-structural 21 can be the geometry such as U-shaped or semicircle, but the utility model is not limited in the shape, in the present embodiment, illustrates for semicircular curved arc for described micro-structural 21.During practical application, the size of described micro-structural 21 can according to the curvature of described body 20, size and the factor such as described wrist-watch size or luminous demand applied that matches with curved arc shape, radian etc., to carry out adjusting to it and to change, make described circular light guide plate 2 can present better light guide effect.
In the present embodiment, be one for described installation region 2021 and the form being provided with two described LED light sources 3 illustrates.When described installation region 2021 is one, can be set up in parallel in identical light direction for the relatively described installation region 2021 of LED light source 3 described at least two.Described installation region 2021 stretches out from the described ring side 202 of described body 20, LED light source 3 described in two is juxtaposed on side, described installation region 2021 makes the light of LED light source 3 described in two be projected to described body 20 with equidirectional from described installation region 2021, when light is advanced in described body 20, except producing except catadioptric by described body 20, when light transmission is to described micro-structural 21 setting area, more can produce the phenomenon of scatter reflections by on-plane surface further, and make light can equably from the bright dipping of described exiting surface 201.
Embodiment 2
Please continue to refer to Fig. 6, it is the floor map of the utility model embodiment 2.In this example, it has a body 20 and a plurality of micro-structural 21 equally, described installation region 2021 stretches out from the described ring side 202 of described body 20 setting, described installation region 2021 is two, LED light source 3 described at least two is supplied to arrange and be different bright dipping direction of illumination in relatively described installation region 2021 respectively, and the light of aforementioned different bright dipping direction of illumination is mutual crossover, that is described in two, the primary optical axis of LED light source 3 is cross-modality.Wherein, the extension of installation region 2021 described in two is to form an angle theta
1, be provided with according to described angle theta
1size adjusts the utilization rate of described LED light source 3.As shown in Figure 6, the extended surface of installation region 2021 described in two or extension line can form described angle theta
1, in described in design two during installation region 2021, described angle theta can be adjusted according to the size etc. of the rising angle of LED light source described in two 3 or described body 20
1size, to reach best light utilization, avoids causing ray waste outside too much ray cast to described body 20.
The utility model also more comprises a plurality of optics dots structure 22, and it is laid in described exiting surface 201, to finely tune for amount of light.And due to the light at contiguous described LED light source 3 place comparatively strong, and along with light constantly transmission and cause energy attenuation in described body 20 in, and then make light more lower away from described its brightness of LED light source 3.Therefore, the utility model makes the layout density of the described optics dots structure 22 near described LED light source 3 region be less than away from optics dots structure 22 described in described LED light source 3 region, for light in apart from described LED light source 3 remotely optics dots structure 22 described in mat capture more light, simultaneously and avoid the described optics dots structure 22 in contiguous described LED light source 3 place to tackle too much light, the uniform light degree penetrated from described exiting surface 201 is promoted by this.In addition, except being provided with except described optics dots structure 22 in described exiting surface 201, one reflecting surface 203 that also can arrange in relatively described exiting surface 201 is laid with described optics dots structure 22, and equally also for being less than the form of the described optics dots structure 22 away from described LED light source 3 region near the layout density of described optics dots structure 22 in described LED light source 3 region, in the present embodiment, be then laid in the explanation of described reflecting surface 203 for described optics dots structure 22.Because described circular light guide plate 2 is made up of transparent light-permeable material, therefore by being still located at the described optics dots structure 22 of described reflecting surface 203 in Fig. 6 as seen.
Embodiment 3
Please continue to refer to the 7th figure, it is the side view of the utility model embodiment 3, to disclose a kind of smart watch 4 applying described circular light guide plate 2.Described smart watch 4 comprises wrist-watch body 40 and a backlight module 41.Described backlight module 41 is established with described wrist-watch body 40 groups, and is provided with described circular light guide plate 2.Wherein, described backlight module 41 be projected to a display floater of described wrist-watch body 40 with can pass through the uniform light that described LED light source 3 provides by described circular light guide plate 2, to show all kinds of pattern or word.
Embodiment 4
Please refer to Fig. 8 and 9, above-mentioned accompanying drawing is schematic perspective view and the floor map of embodiment 4 of the present utility model.In the present embodiment, the utility model discloses a kind of circular light guide plate 5 of tool uniformly light-emitting face, it comprises oblate bright dipping body 50 and a light inlet guidance part 51, described light inlet guidance part 51 to be also connected with described oblate bright dipping body 50 and in order to arrange at least one light source 6 is corresponding, wherein said light source 6 is LED, and described in preferably, light inlet guidance part 51 and described oblate bright dipping body 50 are formed in one.
The feature of described circular light guide plate 5 is, described light inlet guidance part 51 is positioned at a first ring side 501 of described oblate bright dipping body 50, and the utility model has more a plurality of micro-structural 52, described micro-structural 52 is located at one second ring side 502 of described oblate bright dipping body 50.The diameter R two ends that described first ring side 501 and described second ring side 502 are positioned at described oblate bright dipping body 50 stand opposite each other at a distance, with in being oppositely arranged.In other words, because the existing LED that adopts does as backlight more, LED has height directional property again.Therefore in the vibrational power flow of described circular light guide plate 5, in this diameter R two ends of described oblate bright dipping body 50, described light source 6 must be oppositely arranged with described micro-structural 52, in order to do the follow-up preferably light utilization efficiency of profit and bright dipping adjustment.
Wherein, described micro-structural 52 continues in plural curved arc the wavelike structure be connected to form, the category that the shape of right described micro-structural 52 or size etc. can be applied according to described circular light guide plate 5 or change for the illumination effect reached.Described light inlet guidance part 51 also can be set up in parallel in identical light direction for light source described at least two 6, or makes light source 6 described in two in different bright dipping direction of illumination, and the form of the mutual crossover of light of aforementioned different bright dipping direction of illumination.In the present embodiment, the form be set up in parallel in identical light direction for light source described in two 6 for described light inlet guidance part 51 illustrates.
In addition, in order to promote the outgoing light homogeneity of described circular light guide plate 5 further, the utility model more comprises a plurality of optics dots structure 53, and it can be laid in an exiting surface 503 of described oblate bright dipping body 50, or be laid in a reflecting surface 504 of the corresponding described exiting surface 503 of described oblate bright dipping body 50, in the present embodiment, the explanation of described exiting surface 503 is laid in for described optics dots structure 53.Wherein, in order to effectively make be set forth in oblate bright dipping body 50 according to the distance with described light source 6, differentially light is captured through described optics dots structure 53, therefore, the layout density of described optics dots structure 53 is made to be the form being less than described optics dots structure 53 layout density away from described light inlet guidance part 51 near described optics dots structure 53 layout density of described light inlet guidance part 51.By this with the light intensity projected according to the relatively described oblate bright dipping body 50 of described light source 6, effectively adjust the outgoing light homogeneity of light.In the present embodiment, described optics dots structure 53 is located at described reflecting surface 504, and the layout density of described optics dots structure 53 is also for being less than described optics dots structure 53 layout density away from described light inlet guidance part 51 near described optics dots structure 53 layout density of described light guidance part 51.Wherein, more clear for making Fig. 8 feature illustrate, therefore in this figure, do not show described optics dots structure 53.
Embodiment 5
Please also refer to Figure 10, it is the floor map of the utility model embodiment 5.In the present embodiment, be same as embodiment 4, also have oblate bright dipping body 50, light inlet guidance part 51 and an a plurality of micro-structural 52, it arranges relation and is same as embodiment 3 part and is then no longer repeated.In the present embodiment, described light inlet guidance part 51 is for light source described in two 6 in different bright dipping direction of illumination, and makes the mutual crossover of light of aforementioned different bright dipping direction of illumination, and described in two, the exiting surface normal of light source 6 extends to form an angle theta
2, be provided with according to described angle theta
2size adjusts the utilization rate of described light source.Described angle theta
2large I adjust in response to the rising angle of described light source 6 and the size etc. of described oblate bright dipping body 50, the light of described light source 6 is avoided too much to present the form not exposing to described oblate bright dipping body 50, cause light utilization to decline, and then make described oblate bright dipping body 50 cannot guide and provide the light of sufficient intensity.
The circular light guide plate in the tool uniformly light-emitting face that the utility model proposes, utilizes and is located at the micro-structural of circular light guide plate side, effectively improve light and cross bright phenomenon in the local that exiting surface manifests, and makes circular light guide plate can the outgoing light homogeneity of Da Gengjia.And the category that can apply in response to circular light guide plate of the radian etc. of the size of micro-structural and curved arc and the adjustment of light-out effect or demand are changed, to provide best light-out effect.In addition, when light source is more than two and the light of its direction of illumination is the form of mutual crossover, can pass through the extended surface of installation region or the corner dimension of extension line institute sandwiched that adjustment is plural number setting, or the corner dimension that the light-emitting directions face normal of adjustment light source extends to form, to make circular light guide plate can have best light source utilization rate, prevent outside too much ray cast to circular light guide plate and cause waste.
Although the foregoing describe detailed description of the invention of the present utility model, it will be understood by those of skill in the art that this only illustrates, protection domain of the present utility model is defined by the appended claims.Those skilled in the art, under the prerequisite not deviating from principle of the present utility model and essence, can make various changes or modifications to these embodiments, but these change and amendment all falls into protection domain of the present utility model.
Claims (20)
1. have the circular light guide plate in uniformly light-emitting face, be provided with being mounted in a wrist-watch, it is characterized in that, this circular light guide plate comprises:
One body is a thin plate-shaped structure body, and has an exiting surface and a ring side, and this ring side extends to form at least one installation region, forms side direction type light source at least one LED light source this body relative is arranged; And
A plurality of micro-structural, is located at this ring side, makes the some light of this LED light source after the atomization of those micro-structurals, realize even bright dipping by the guiding of this body at this exiting surface.
2. have the circular light guide plate in uniformly light-emitting face as claimed in claim 1, it is characterized in that, those micro-structurals are that plural curved arc continues the wavelike structure be connected to form.
3. have the circular light guide plate in uniformly light-emitting face as claimed in claim 2, it is characterized in that, this installation region place is not provided with those micro-structurals.
4. there is the circular light guide plate in uniformly light-emitting face as claimed in claim 3, it is characterized in that, when this installation region is one, can is identical light direction relative to this installation region at least two these LED light sources and is set up in parallel.
5. there is the circular light guide plate in uniformly light-emitting face as claimed in claim 3, it is characterized in that, when this installation region is two, can be different bright dipping direction of illumination at least two these LED light sources difference these installation regions relative are arranged, and the light of aforementioned different bright dipping direction of illumination is mutual crossover.
6. have the circular light guide plate in uniformly light-emitting face as claimed in claim 5, it is characterized in that, two these installation regions extend to form an angle, are provided with the utilization rate adjusting those LED light sources according to this corner dimension.
7. the circular light guide plate with uniformly light-emitting face as described in claim 5 or 6, is characterized in that, this circular light guide plate also comprises a plurality of optics dots structure, is laid in this exiting surface.
8. have the circular light guide plate in uniformly light-emitting face as claimed in claim 7, it is characterized in that, those optics point-like structure fabrics that those optics point-like structure fabrics near this LED light source region establish density to be less than away from this LED light source region establish density.
9. the circular light guide plate with uniformly light-emitting face as described in claim 5 or 6, is characterized in that, this circular light guide plate more comprises a plurality of optics dots structure, is laid in should the reflecting surface that is oppositely arranged of exiting surface.
10. have the circular light guide plate in uniformly light-emitting face as claimed in claim 9, it is characterized in that, those optics point-like structure fabrics that those optics point-like structure fabrics near this LED light source region establish density to be less than away from this LED light source region establish density.
11. 1 kinds of smart watchs, it is characterized in that, it comprises:
One wrist-watch body; And
One backlight module, establishes with this wrist-watch body group, and is provided with as the circular light guide plate with uniformly light-emitting face of claim 1 to 10 according to any one of it.
12. 1 kinds of circular light guide plates with uniformly light-emitting face, comprise an oblate bright dipping body and a light inlet guidance part be connected with this oblate bright dipping body, and this light inlet guidance part, in order to arrange at least one light source correspondence, is characterized in that:
This light inlet guidance part is positioned at a first ring side of this oblate bright dipping body; And
A plurality of micro-structural, is located at one second ring side of this oblate bright dipping body, and the diameter two ends that this first ring side and this second ring side are positioned at this oblate bright dipping body stand opposite each other at a distance.
The 13. circular light guide plates as claimed in claim 12 with uniformly light-emitting face, is characterized in that, those micro-structurals are that plural curved arc continues the wavelike structure be connected to form.
The 14. circular light guide plates as claimed in claim 13 with uniformly light-emitting face, is characterized in that, this light inlet guidance part can be identical light direction at least two these light sources and be set up in parallel.
The 15. circular light guide plates as claimed in claim 13 with uniformly light-emitting face, is characterized in that, this light inlet guidance part can be different bright dipping direction of illuminations at least two these light sources, and the light of aforementioned different bright dipping direction of illumination is mutual crossover.
The 16. circular light guide plates as claimed in claim 15 with uniformly light-emitting face, it is characterized in that, the exiting surface normal of two these light sources extends to form an angle, is provided with the utilization rate adjusting those light sources according to this corner dimension.
17. circular light guide plates with uniformly light-emitting face as described in claims 14 or 15, it is characterized in that, this circular light guide plate more comprises a plurality of optics dots structure, is laid in an exiting surface of this oblate bright dipping body.
The 18. circular light guide plates as claimed in claim 17 with uniformly light-emitting face, is characterized in that, those optics point-like structure fabrics that those optics point-like structure fabrics near this light inlet guidance part establish density to be less than away from this light inlet guidance part establish density.
19. circular light guide plates with uniformly light-emitting face as described in claims 14 or 15, it is characterized in that, this circular light guide plate more comprises a plurality of optics dots structure, is laid in this oblate bright dipping body to should a reflecting surface of exiting surface.
The 20. circular light guide plates as claimed in claim 19 with uniformly light-emitting face, is characterized in that, those optics point-like structure fabrics that those optics point-like structure fabrics near this light inlet guidance part establish density to be less than away from this light inlet guidance part establish density.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520346900.1U CN204629365U (en) | 2015-05-26 | 2015-05-26 | There is circular light guide plate and the wrist-watch thereof in uniformly light-emitting face |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520346900.1U CN204629365U (en) | 2015-05-26 | 2015-05-26 | There is circular light guide plate and the wrist-watch thereof in uniformly light-emitting face |
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| CN204629365U true CN204629365U (en) | 2015-09-09 |
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| CN201520346900.1U Active CN204629365U (en) | 2015-05-26 | 2015-05-26 | There is circular light guide plate and the wrist-watch thereof in uniformly light-emitting face |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106980150A (en) * | 2016-01-18 | 2017-07-25 | 元太科技工业股份有限公司 | Light-emitting device and its light guide plate |
| CN107842760A (en) * | 2017-10-30 | 2018-03-27 | Tcl通力电子（惠州）有限公司 | Lamp assembly and sound box |
| TWI622733B (en) * | 2016-01-18 | 2018-05-01 | 元太科技工業股份有限公司 | Light emitting device and light guide plate thereof |
| TWI726829B (en) * | 2020-11-17 | 2021-05-01 | 坦德科技股份有限公司 | Light guide structure |
-
2015
- 2015-05-26 CN CN201520346900.1U patent/CN204629365U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106980150A (en) * | 2016-01-18 | 2017-07-25 | 元太科技工业股份有限公司 | Light-emitting device and its light guide plate |
| TWI622733B (en) * | 2016-01-18 | 2018-05-01 | 元太科技工業股份有限公司 | Light emitting device and light guide plate thereof |
| US10203443B2 (en) | 2016-01-18 | 2019-02-12 | E Ink Holding Inc. | Light emitting device and light guide plate thereof |
| CN107842760A (en) * | 2017-10-30 | 2018-03-27 | Tcl通力电子（惠州）有限公司 | Lamp assembly and sound box |
| CN107842760B (en) * | 2017-10-30 | 2020-12-08 | Tcl通力电子（惠州）有限公司 | Lamp assembly and sound box |
| TWI726829B (en) * | 2020-11-17 | 2021-05-01 | 坦德科技股份有限公司 | Light guide structure |
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