CN202003048U - Compound light guide plate and device adopting same - Google Patents
Compound light guide plate and device adopting same Download PDFInfo
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- CN202003048U CN202003048U CN2011200389238U CN201120038923U CN202003048U CN 202003048 U CN202003048 U CN 202003048U CN 2011200389238 U CN2011200389238 U CN 2011200389238U CN 201120038923 U CN201120038923 U CN 201120038923U CN 202003048 U CN202003048 U CN 202003048U
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- guide plate
- light guide
- light
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- compound light
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Abstract
The utility model discloses a compound light guide plate, and aims at providing the compound light guide plate with lower cost and the diffusion function. The compound light guide plate comprises a light guide plate body, wherein the light guide plate body comprises the light guide surface positioned on the bottom surface and the light extraction surface positioned on the top surface, light guide mesh points are arranged on the light guide surface, and a diffusion layer for diffusing light is arranged on the light extraction surface. The utility model further discloses a device with the compound light guide plate. The utility model can be used in the various light guide plates and the devices with the light guide plates.
Description
Technical field
The utility model relates to light guide plate and has the device of this light guide plate, the device that especially relates to compound light guide plate and have this compound light guide plate.
Background technology
Existing light guide plate usually only its light guiding surface be provided with the leaded light site, change light that light source injects after exiting surface is derived by the leaded light site.These light guide plate are when being applied to device such as module backlight, usually need on the exiting surface of light guide plate, diffusion barrier be set, evenly spread the back again with the light that exiting surface is sent and evenly penetrate, the light that exiting surface is penetrated by diffusion barrier carries out the homogenising processing, to improve the outgoing uniformity of light.But,, therefore cause cost higher because diffusion barrier needs to make separately.
The utility model content
The utility model needs to make separately diffusion barrier in order to solve when the prior art light guide plate is applied to device such as module backlight, causes the cost technical problems of high, the device that a kind of compound light guide plate is provided and has had this compound light guide plate.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is a kind of compound light guide plate of design, comprise light conducting plate body, described light conducting plate body comprises light guiding surface that is positioned at the bottom surface and the exiting surface that is positioned at end face, described light guiding surface is provided with the leaded light site, and described exiting surface is provided with the diffusion layer that is used to spread light.
Described diffusion layer for the optics site that is made of one piece with light conducting plate body, be coated in the IR type leaded light coating on the exiting surface or be coated in UV type leaded light coating on the exiting surface.
The utility model also provides a kind of device with compound light guide plate, comprise compound light guide plate, described compound light guide plate comprises light conducting plate body, described light conducting plate body comprises light guiding surface that is positioned at the bottom surface and the exiting surface that is positioned at end face, described light guiding surface is provided with the leaded light site, and described exiting surface is provided with the diffusion layer that is used to spread light.
Described diffusion layer for the optics site that is made of one piece with light conducting plate body, be coated in the IR type leaded light coating on the exiting surface or be coated in UV type leaded light coating on the exiting surface.
Described compound light guide plate comprises at least two sub-light guide plate, and described at least two sub-light guide plate are in the same plane, and described device with compound light guide plate also comprises at least one light source, and described light source is between the two relative side of two adjacent sub-light guide plate.
Described light source top is provided with reflectance coating, and described reflectance coating connects two light guide plate.
Described device with compound light guide plate comprises that also one is arranged on the panel or the keyboard of described compound light guide plate top.
Described compound light guide plate is provided with the pressing touch point.
Described device with compound light guide plate comprises that also one is arranged on the metal clips module of described compound light guide plate bottom, and described metal clips module is provided with an outstanding metal clips, described pressing touch point be arranged on described metal clips directly over.
Described device with compound light guide plate is a module backlight, described module backlight also comprises at least one light source, described light source is arranged on the bottom of described compound light guide plate, described module backlight also comprises at least one reflectance coating, described reflectance coating is corresponding one by one with described light source, and described reflectance coating respectively around its corresponding light source to its corresponding light source and described compound light guide plate adjacent surface.
The utility model is by being provided with diffusion layer on the exiting surface of light conducting plate body, thereby makes compound light guide plate with the light diffusion function, no longer needs to make diffusion barrier separately when using, and provides cost savings.
Description of drawings
Below in conjunction with embodiment and accompanying drawing the utility model is elaborated, wherein:
Fig. 1 is the structural representation of the compound light guide plate embodiment one of the utility model;
Fig. 2 is the structural representation of the compound light guide plate embodiment two of the utility model;
Fig. 3 is the structural representation of the compound light guide plate Application Example one of the utility model;
Fig. 4 is the structural representation of the compound light guide plate Application Example two of the utility model;
Fig. 5 is the structural representation of the compound light guide plate Application Example three of the utility model;
Fig. 6 is the structural representation of the compound light guide plate Application Example four of the utility model;
Fig. 7 is the structural representation of the compound light guide plate Application Example five of the utility model;
Fig. 8 is the structural representation of the compound light guide plate Application Example six of the utility model.
Embodiment
Compound light guide plate embodiment one
See also Fig. 1, compound light guide plate comprises light conducting plate body 1, described light conducting plate body comprises light guiding surface 11 that is positioned at the bottom surface and the exiting surface 12 that is positioned at end face, and described light guiding surface is provided with leaded light site 111, and described exiting surface is provided with the diffusion layer 121 that is used to spread light.In this specific embodiment, leaded light site 111 is the site on the recessed described light guiding surface, and certainly, it also can be the site on the outstanding described light guiding surface shown in Fig. 2.Light conducting plate body 1 is for to be made by polycarbonate/polymethyl methacrylate or other transparent light guide materials.Leaded light site 111 goes out by regular site or the groove of optical principle design at the light conducting plate body surface forming for the mode of utilizing die forming, printing, machining or spraying.Diffusion layer 121 goes out by the regular optics site of optical principle design, as various sites or groove etc. at the light conducting plate body surface forming for the mode of utilizing die forming, printing, machining or spraying.Described leaded light site and optics site can be circle, rhombus, triangle, V-arrangement, corrugated and other any graphic forms.
Compound light guide plate embodiment two
See also Fig. 2, the difference of present embodiment and embodiment one is that the leaded light site 211 on the light guiding surface 21 of light conducting plate body 2 is the site on the outstanding described light guiding surface, and the diffusion layer 221 on the exiting surface 22 is for being coated in the IR type leaded light coating on the exiting surface or being coated in UV type leaded light coating on the exiting surface.Certainly, the site on the recessed described light guiding surface as shown in Figure 1 also can be arranged in described leaded light site 211.
Compound light guide plate Application Example one
See also Fig. 3, present embodiment has disclosed a kind of structure with device of compound light guide plate, the light source 33 that it comprises a compound light guide plate 31, is arranged on the reflectance coating 32 on the compound light guide plate and is arranged on compound light guide plate side.In light is directly gone into from the side-irradiation of compound light guide plate, derive by compound light guide plate is positive again, compound light guide plate bottom, side and other face except that end face increase the light reflection that reflectance coating increases compound light guide plate simultaneously, promote brightness, reduce light losing.This device can be module backlight etc., and present embodiment can be done various distortion, as the bottom that light source is arranged on compound light guide plate and reflectance coating is not set, light source is arranged on the side of compound light guide plate and reflectance coating etc. is not set.
Compound light guide plate Application Example two
See also Fig. 4, present embodiment has disclosed a kind of structure with device of compound light guide plate, and it comprises compound light guide plate 41, light source 42 and reflectance coating 43.Compound light guide plate 41 comprises two sub-light guide plate 411 and 412, and described two sub-light guide plate are in the same plane, described light source is between the two relative side of two sub-light guide plate, reflectance coating 43 is arranged on the top of light source 42, and connect described two sub-light guide plate, reflect into light guide plate with light, prevent light leak light source 42 emissions.Certainly, present embodiment also can be done various distortion, as reflectance coating etc. is not set.Certainly, also one or more sub-light guide plate can only be set, as three sub-light guide plate are set, and two light sources are separately positioned between the two relative side of two adjacent sub-light guide plate.
Compound light guide plate Application Example three
See also Fig. 5, present embodiment has disclosed a kind of structure with device of compound light guide plate, be a keyboard or panel module backlight in the present embodiment, it comprises compound light guide plate 51, light source 52 and keyboard or panel 53, compound light guide plate 51 comprises two sub-light guide plate 511 and 512, and described two sub-light guide plate are in the same plane, and described light source is between the two relative side of two sub-light guide plate, and keyboard or panel 53 are arranged on described compound light guide plate top.The light that light source sends provides light source through giving keyboard or panel behind the compound light guide plate leaded light, forms the combination module of a kind of keyboard or panel and compound light guide plate.Certainly, present embodiment also can be done various distortion, as a light guide plate will only be set, and light source is arranged on the bottom of compound light guide plate or side etc.
Compound light guide plate Application Example four
See also Fig. 6, present embodiment has disclosed a kind of structure with device of compound light guide plate, is a kind of contact light guide plate module in the present embodiment, and it comprises compound light guide plate 61, pressing touch point 62 and metal clips module 63.The metal clips module is arranged on the bottom of compound light guide plate, metal clips module 63 is provided with an outstanding metal clips 631, described pressing touch point 62 be arranged on the light guiding surface of described compound light guide plate 61 and be positioned at described metal clips 631 directly over.Certainly, present embodiment also can be done various distortion, as metal clips module etc. is not set.
Compound light guide plate Application Example five
See also Fig. 7, present embodiment has disclosed a kind of structure with device of compound light guide plate, and present embodiment is a LCD module backlight, and it comprises compound light guide plate 71, light source 72, reflectance coating 73 and brightness enhancement film 74.Light source 72 is positioned at the side of compound light guide plate 71, and reflectance coating 73 and brightness enhancement film 74 lay respectively at the bottom and the top of described compound light guide plate 71.Certainly, present embodiment also can be done various distortion, as reflectance coating or brightness enhancement film etc. are not set.
Compound light guide plate Application Example six
See also Fig. 8, present embodiment has disclosed a kind of structure with device of compound light guide plate, and present embodiment is a LCD module backlight, and it comprises compound light guide plate 81, light source 82, reflectance coating 83 and brightness enhancement film 84.Light source at least one, and be arranged on the bottom of compound light guide plate 81.Reflectance coating 83 is provided with one at least, and corresponding one by one with light source 82.Reflectance coating 83 respectively around its corresponding light source to its corresponding light source and described compound light guide plate adjacent surface.Brightness enhancement film 84 is arranged at the top of compound light guide plate.
The above only is preferred embodiment of the present utility model; not in order to restriction the utility model; all any modifications of within spirit of the present utility model and principle, being done, be equal to and replace and improvement etc., all should be included within the protection domain of the present utility model.
Claims (10)
1. compound light guide plate, comprise light conducting plate body, described light conducting plate body comprises light guiding surface that is positioned at the bottom surface and the exiting surface that is positioned at end face, and described light guiding surface is provided with the leaded light site, it is characterized in that: described exiting surface is provided with the diffusion layer that is used to spread light.
2. compound light guide plate according to claim 1 is characterized in that: described diffusion layer for the optics site that is made of one piece with light conducting plate body, be coated in the IR type leaded light coating on the exiting surface or be coated in UV type leaded light coating on the exiting surface.
3. device with compound light guide plate, comprise compound light guide plate, described compound light guide plate comprises light conducting plate body, described light conducting plate body comprises light guiding surface that is positioned at the bottom surface and the exiting surface that is positioned at end face, described light guiding surface is provided with the leaded light site, it is characterized in that: described exiting surface is provided with the diffusion layer that is used to spread light.
4. the device with compound light guide plate according to claim 3 is characterized in that: described diffusion layer for the optics site that is made of one piece with light conducting plate body, be coated in the IR type leaded light coating on the exiting surface or be coated in UV type leaded light coating on the exiting surface.
5. according to claim 3 or 4 described devices with compound light guide plate, it is characterized in that: described compound light guide plate comprises at least two sub-light guide plate, described at least two sub-light guide plate are in the same plane, described device with compound light guide plate also comprises at least one light source, and described light source is between the two relative side of two adjacent sub-light guide plate.
6. the device with compound light guide plate according to claim 5 is characterized in that: described light source top is provided with reflectance coating, and described reflectance coating connects two light guide plate.
7. the device with compound light guide plate according to claim 5 is characterized in that: described device with compound light guide plate comprises that also one is arranged on the panel or the keyboard of described compound light guide plate top.
8. according to claim 3 or 4 described devices with compound light guide plate, it is characterized in that: described compound light guide plate is provided with the pressing touch point.
9. the device with compound light guide plate according to claim 8, it is characterized in that: described device with compound light guide plate comprises that also one is arranged on the metal clips module of described compound light guide plate bottom, described metal clips module is provided with an outstanding metal clips, described pressing touch point be arranged on described metal clips directly over.
10. according to claim 3 or 4 described devices with compound light guide plate, it is characterized in that: described device with compound light guide plate is a module backlight, described module backlight also comprises at least one light source, described light source is arranged on the bottom of described compound light guide plate, described module backlight also comprises at least one reflectance coating, described reflectance coating is corresponding one by one with described light source, and described reflectance coating respectively around its corresponding light source to its corresponding light source and described compound light guide plate adjacent surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200389238U CN202003048U (en) | 2011-02-15 | 2011-02-15 | Compound light guide plate and device adopting same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200389238U CN202003048U (en) | 2011-02-15 | 2011-02-15 | Compound light guide plate and device adopting same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202003048U true CN202003048U (en) | 2011-10-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200389238U Expired - Lifetime CN202003048U (en) | 2011-02-15 | 2011-02-15 | Compound light guide plate and device adopting same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202003048U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106405726A (en) * | 2016-12-13 | 2017-02-15 | 四川长虹电器股份有限公司 | Micro/nano-imprinting TV display module light guide plate and manufacturing method thereof |
| CN109270623A (en) * | 2018-11-14 | 2019-01-25 | 东莞市银泰丰光学科技有限公司 | A kind of glass light guide plate with diffusion function |
-
2011
- 2011-02-15 CN CN2011200389238U patent/CN202003048U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106405726A (en) * | 2016-12-13 | 2017-02-15 | 四川长虹电器股份有限公司 | Micro/nano-imprinting TV display module light guide plate and manufacturing method thereof |
| CN109270623A (en) * | 2018-11-14 | 2019-01-25 | 东莞市银泰丰光学科技有限公司 | A kind of glass light guide plate with diffusion function |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20111005 |