CN204593251U - A kind of light guide plate, backlight arrangement and display unit - Google Patents
A kind of light guide plate, backlight arrangement and display unit Download PDFInfo
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- CN204593251U CN204593251U CN201520271695.7U CN201520271695U CN204593251U CN 204593251 U CN204593251 U CN 204593251U CN 201520271695 U CN201520271695 U CN 201520271695U CN 204593251 U CN204593251 U CN 204593251U
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Abstract
Embodiment of the present utility model provides a kind of light guide plate, backlight arrangement and display unit, relates to electronic technology field, can reduce the volume of backlight arrangement, and then the thickness of panel of LCD is reduced.The program comprises: described light guide plate comprise light guide base plate, with all vertically disposed first substrate of described light guide base plate and second substrate, wherein, described light guide base plate is connected with described first substrate by the first border, be connected with described second substrate by the second boundary, and described first border is parallel to described the second boundary, form groove to make described light guide base plate, described first substrate and second substrate; Described groove is for being fixedly mounted on blooming piece, anti-dazzling screen and the diffusion sheet in described light guide base plate.The program can be applicable to backlight arrangement.
Description
Technical field
The utility model relates to electronic technology field, particularly relates to a kind of light guide plate, backlight arrangement and display unit.
Background technology
Backlight is one of key part and component of panel of LCD, for being the well-off brightness of panel of LCD and the light source be evenly distributed, makes the normal show image of panel of LCD energy.The illumination effect of backlight will directly have influence on LCD MODULE (LCM) visual effect.
At present, as shown in Figure 1, most of backlight is assembled by fixed frame 06 primarily of light source 01 (such as LED module), light guide plate 02, blooming piece 03, anti-dazzling screen 04 and reflector plate 05.Frame due to fixed frame 06 additionally occupies the volume of backlight, causes the thickness of panel of LCD to increase.
Utility model content
Embodiment of the present utility model provides a kind of light guide plate, backlight arrangement and display unit, can reduce the volume of backlight arrangement, and then the thickness of display unit is reduced.
For achieving the above object, embodiment of the present utility model adopts following technical scheme:
On the one hand, embodiment of the present utility model provides a kind of light guide plate, described light guide plate comprise light guide base plate, with all vertically disposed first substrate of described light guide base plate and second substrate, wherein,
Described light guide base plate is connected with described first substrate by the first border, be connected, and described first border is parallel to described the second boundary by the second boundary with described second substrate, forms groove to make described light guide base plate, described first substrate and second substrate;
Described groove is for being fixedly mounted on blooming piece, anti-dazzling screen and the diffusion sheet in described light guide base plate.
Further, described first substrate and/or described second substrate are also connected with fixture, and described fixture is used for the fixing illuminating module arranged with layer with described light guide base plate.
Further, it is identical and be the first baffle plate and the second baffle of L-type that described fixture comprises size, wherein,
One end of described first baffle plate is connected with described first substrate, and the other end of described first baffle plate is towards described second substrate;
Described second baffle and described first plate washer each other mirror image are arranged, and one end of described second baffle is connected with described second substrate.
Wherein, described first substrate is that described light guide base plate is formed after described first border bending; And/or described second substrate is that described light guide base plate is formed after described the second boundary bending.
Wherein, described light guide base plate, described first substrate and described second substrate are made by optical material.
On the other hand, embodiment of the present utility model provides a kind of backlight arrangement, and described backlight arrangement comprises above-mentioned light guide plate, the illuminating module arranged with layer with the light guide base plate of described light guide plate and the bottom reflection sheet of all fitting with described light guide plate and described illuminating module; Wherein,
The groove of described light guide plate is for installing blooming piece, anti-dazzling screen and diffusion sheet.
Further, described bottom reflection sheet comprises: first reflector plate of all fitting with the lower surface of described light guide plate and the lower surface of described illuminating module, and at least one second reflector plate be connected with the Arbitrary Boundaries line of described first reflector plate;
Wherein, described second reflector plate, by glue-line, is fitted with the first substrate of described light guide plate or the outside of second substrate, for reflecting the light source of described first substrate or the loss of described second substrate.
Wherein, described second reflector plate is that described first reflector plate is formed after described 3rd border bending.
On the other hand, embodiment of the present utility model provides a kind of display unit, and described display unit comprises any one backlight arrangement above-mentioned.
Embodiment of the present utility model provides a kind of light guide plate, backlight arrangement and display unit, described light guide plate comprise light guide base plate, with all vertically disposed first substrate of light guide base plate and second substrate, wherein, described light guide base plate is connected with described first substrate by the first border, be connected with described second substrate by the second boundary, and described first border is parallel to described the second boundary, form groove to make described light guide base plate, described first substrate and second substrate; Described groove is for being fixedly mounted on blooming piece, anti-dazzling screen and the diffusion sheet in described light guide base plate.So, due to, the directly assembly such as fixed optics diaphragm and anti-dazzling screen on light guide plate, can to a certain degree avoid increasing the problem of backlight arrangement thickness owing to using fixed frame to assemble light guide plate, blooming piece and anti-dazzling screen etc. in prior art.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of backlight in prior art;
The schematic diagram one of the light guide plate that Fig. 2 provides for the utility model embodiment;
The schematic diagram two of the light guide plate that Fig. 3 provides for the utility model embodiment;
The schematic diagram three of the light guide plate that Fig. 4 provides for the utility model embodiment;
The schematic diagram one of the backlight arrangement that Fig. 5 provides for the utility model embodiment;
The schematic diagram two of the backlight arrangement that Fig. 6 provides for the utility model embodiment;
The connection diagram one of the first reflector plate and the second reflector plate in the backlight arrangement that Fig. 7 provides for the utility model embodiment;
The connection diagram two of the first reflector plate and the second reflector plate in the backlight arrangement that Fig. 8 provides for the utility model embodiment.
Detailed description of the invention
Below in conjunction with accompanying drawing, a kind of light guide plate of the utility model embodiment and backlight arrangement are described in detail.
In description of the present utility model, it will be appreciated that, term " " center ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", orientation or the position relationship of the instruction such as " outward " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.
Term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise one or more these features.In description of the present utility model, except as otherwise noted, the implication of " multiple " is two or more.
As shown in Figure 2, be a specific embodiment of light guide plate 11 in embodiment of the present utility model, in the present embodiment light guide plate comprise light guide base plate 101, with all vertically disposed first substrate 102 of light guide base plate 101 and second substrate 103.
Wherein, light guide base plate 101 is connected with first substrate 102 by the first border 21, be connected with second substrate 103 by the second boundary 22, and the first border 21 is parallel to the second boundary 22, forms groove 12 to make light guide base plate 101, first substrate 102 and second substrate 103.
Concrete, this groove 12 is for being fixedly mounted on blooming piece, anti-dazzling screen and the diffusion sheet in light guide base plate 101.So, because backlight arrangement is formed by assembling components such as light guide plate, blooming piece, anti-dazzling screen and diffusion sheets, when light guide plate is designed to the structure shown in Fig. 2, because this light guide base plate 101, first substrate 102 and second substrate 103 form groove 12, therefore, groove 12 can be used for the assemblies such as fixed optics diaphragm and anti-dazzling screen, like this, just without the need to additionally using fixed frame to assemble assemblies such as light guide plate, blooming piece, anti-dazzling screen and diffusion sheets, and then save the thickness of the backlight arrangement additionally increased because of fixed frame.
Optionally, described light guide base plate 101, described first substrate 102 and described second substrate 103 are optical material and make, concrete, this optical material can utilize the acryl plates of optical grade, then with having high reflectivity and the hitech materials of not extinction, stamps light guiding points in the acryl plates bottom surface of optical grade, when light is mapped to each light guiding points, reverberation toward all angles diffusion, then can destroy conditioned reflex and is penetrated by the front of light guide plate, make light guide plate luminous uniformly.
Can find out, when the light guide plate 11 that light guide base plate 101, described first substrate 102 and described second substrate 103 form is made by above-mentioned optical material, can while the thickness of the backlight arrangement avoiding fixed frame additionally to increase, the guide-lighting area of light guide plate can also be increased, and then improve the backlight efficiency of whole backlight arrangement.
Further, first substrate 102 and/or second substrate 103 are also connected with fixture 104, and described fixture 104 is for the fixing illuminating module arranged with layer with light guide base plate 104.
Exemplary, as shown in Figure 3, based on the light guide plate 11 shown in above-mentioned Fig. 2, extended surface parallel with the first border 21 in light guide base plate 101 is provided with fixture 104, concrete, it is identical and be the first baffle plate 31 and the second baffle 32 of L-type that fixture 104 specifically comprises size, wherein, one end of first baffle plate 31 is connected with first substrate 102, and the other end of the first baffle plate 31 is towards second substrate 103; And second baffle 32 and the first plate washer 31 each other mirror image arrange, and one end of second baffle 32 is connected with second substrate 103.
Like this, a not closed draw-in groove is defined between second baffle 32 and the first plate washer 31, and the size of this draw-in groove can adapt with the size of the illuminating module in backlight arrangement, so this draw-in groove just can be used for the illuminating module in backlight arrangement carry out card and.
In addition, this illuminating module can be specially the illuminating module such as LED lamplight group or small-sized cold-cathode fluorescence lamp (CCFL, Cold Cathode Fluorescent Lamp), and the utility model does not impose any restrictions this.
Can find out, light guide plate 11 as shown in Figure 3 fixes blooming piece, anti-dazzling screen and diffusion sheet etc. in backlight arrangement by the first groove 12, simultaneously, the illuminating module in backlight arrangement is fixed by fixture 104, like this, can save in existing backlight arrangement, the thickness produced because using the assemblies such as fixed frame assembling light guide plate, illuminating module, blooming piece, anti-dazzling screen and diffusion sheet, makes the thickness of whole backlight arrangement reduce.
Or, as shown in Figure 4, fixture 104 can also be U-shaped third gear plate 33, wherein, one end of third gear plate 33 is connected with first substrate 102, and the other end of third gear plate 33 is connected with second substrate 103, can find out, the design of fixture 104 can have multiple, and the utility model is not restricted this.
It should be noted that, first substrate 102 in light guide plate 11 as shown in Fig. 2, Fig. 3 or Fig. 4 or second substrate 103 can be that light guide base plate 101 bends rear integration formation along the first border 21 or the second boundary 22, also can be realize the connection with light guide base plate 101 by techniques such as stickup, welding, the utility model impose any restrictions secondary.
Further, embodiment of the present utility model also provides a kind of backlight arrangement, the bottom reflection sheet at least comprising the light guide plate 11 provided in above-described embodiment, the illuminating module arranged with layer with the light guide base plate 101 of light guide plate 11 in this backlight arrangement and all fit with light guide plate 11 and illuminating module; Wherein, the groove of light guide plate 11 is for installing blooming piece, anti-dazzling screen and diffusion sheet.
Exemplary, as shown in Figure 5, based on the light guide plate 11 provided in above-mentioned Fig. 3, the utility model also provides a kind of backlight arrangement 100, described backlight arrangement 100 comprises light guide plate 11, and the diffusion sheet 41 of fitting with light guide base plate 101 in the groove 12 being fixed on light guide plate 11, the anti-dazzling screen 61 that is positioned at the blooming piece 51 on diffusion sheet 41 and is positioned on blooming piece 51, wherein, described diffusion sheet 41, blooming piece 51 and anti-dazzling screen 61 are all fixed in groove 12.
In addition, described backlight arrangement 100 also comprises illuminating module (not shown), and this illuminating module is fixed between the draw-in groove of the first plate washer 31 and second baffle 32 formation.
Like this, diffusion sheet 41, blooming piece 51, anti-dazzling screen 61 and illuminating module can directly be assembled by light guide plate 11, without the need to additionally increasing fixed frame, above-mentioned light guide plate 11, diffusion sheet 41, blooming piece 51, anti-dazzling screen 61 and illuminating module are assembled, reduce the volume of backlight arrangement 100, for using the backlight arrangement of fixed frame, backlight arrangement 100 thickness that the present embodiment provides reduces, and improves the ratio of guide-lighting area.
Further, as shown in Figure 6, based on the backlight arrangement 100 provided in above-mentioned Fig. 5, this backlight arrangement 100 may further include the bottom reflection sheet of all fitting with light guide plate 11 and illuminating module, concrete, this bottom reflection sheet comprises first reflector plate 201 of all fitting with the lower surface of light guide plate 11 and the lower surface of illuminating module, and at least one second reflector plate 202 be connected by Arbitrary Boundaries line 81 with the first reflector plate 201.This second reflector plate 202 is fitted with the outside of first substrate 102 or second substrate 103, for the light source that reflection light plate 11 runs off, improves the utilization rate of light.
Certainly, for light guide plate 11 as shown in Figure 2, light guide plate 11 and illuminating module can be arranged at the upper surface of the first reflector plate 201 with layer equally, and, second reflector plate 202 is fitted with the outside of first substrate 102 or second substrate 103, while the light source that reflection light plate 11 runs off, light guide plate 11 and illuminating module can also be fixed by the first reflector plate 201 and the second reflector plate 202, avoid the backlight arrangement using fixed frame to increase the thickness of backlight arrangement 100.
Exemplary, Fig. 7 is that backlight arrangement 100 is when comprising two the second reflector plates (i.e. the second reflector plate 202a and the second reflector plate 202b), second reflector plate 202a, the connection diagram of the second reflector plate 202b and the first reflector plate 201, wherein, second reflector plate 202a is connected with the first reflector plate 201 by the first boundary line 81a, second reflector plate 202b is connected with the first reflector plate 201 by the Second Edge boundary line 81b parallel with the first boundary line 81a, second reflector plate 202a and the second reflector plate 202b all scribbles glue-line, so, second reflector plate 202a can be fitted by the outside of glue-line and first substrate 101, for reflecting the light source that first substrate 101 runs off, second reflector plate 202b can be fitted by the outside of glue-line and second substrate 102, for reflecting the light source that second substrate 102 runs off.
Certainly, as shown in Figure 8, based on the connection diagram including two the second reflector plates provided in above-mentioned Fig. 7, the second reflector plate 202c and the second reflector plate 202d can also be comprised in backlight arrangement 100, wherein, this second reflector plate 202c with by being connected with the first reflector plate 201 with the 3rd boundary line 81c, 3rd boundary line 81c is the boundary line near illuminating module on the first reflector plate 201, this second reflector plate 202c is fitted by the outside of glue-line and illuminating module, for reflecting the light source that backlight arrangement 100 side corresponding with connecting line 81c runs off; This second reflector plate 202d with by being connected with the first reflector plate 201 with the 4th boundary line 81d, 4th boundary line 81d is parallel with the 3rd boundary line 81c, this second reflector plate 202d is fitted, for reflecting the light source that backlight arrangement 100 side corresponding with connecting line 81d runs off by the outside of the glue-line backlight arrangement 100 corresponding with connecting line 81d.
So far, backlight arrangement 100 is by light guide plate 11 directly fixing diffusion sheet 41, blooming piece 51, anti-dazzling screen 61 and illuminating module, reduce backlight arrangement 100 thickness, simultaneously, the light source using at least one second reflector plate 202 reflection light plate 11 to run off, effectively can improve the utilization rate of light in backlight arrangement 100.
Further, embodiment of the present utility model also provides a kind of display unit, and it comprises any one backlight arrangement above-mentioned.Wherein, described display unit can be: any product or parts with Presentation Function such as liquid crystal panel, Electronic Paper, oled panel, mobile phone, panel computer, television set, display, notebook computer, DPF, navigator.
Embodiment of the present utility model provides a kind of light guide plate, backlight arrangement and display unit, described light guide plate comprise light guide base plate, with all vertically disposed first substrate of light guide base plate and second substrate, wherein, described light guide base plate is connected with described first substrate by the first border, be connected with described second substrate by the second boundary, and described first border is parallel to described the second boundary, form groove to make described light guide base plate, described first substrate and second substrate; Described groove is for being fixedly mounted on blooming piece, anti-dazzling screen and the diffusion sheet in described light guide base plate.So, due to, the directly assembly such as fixed optics diaphragm and anti-dazzling screen on light guide plate, can to a certain degree avoid increasing the problem of backlight arrangement thickness owing to using fixed frame to assemble light guide plate, blooming piece and anti-dazzling screen etc. in prior art.
In the description of this description, specific features, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
The above; be only detailed description of the invention of the present utility model; but protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; change can be expected easily or replace, all should be encompassed within protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of described claim.
Claims (9)
1. a light guide plate, is characterized in that, comprise light guide base plate, with all vertically disposed first substrate of described light guide base plate and second substrate, wherein,
Described light guide base plate is connected with described first substrate by the first border, be connected, and described first border is parallel to described the second boundary by the second boundary with described second substrate, forms groove to make described light guide base plate, described first substrate and second substrate;
Described groove is for being fixedly mounted on blooming piece, anti-dazzling screen and the diffusion sheet in described light guide base plate.
2. light guide plate according to claim 1, is characterized in that, described first substrate and/or described second substrate are also connected with fixture, and described fixture is used for the fixing illuminating module arranged with layer with described light guide base plate.
3. light guide plate according to claim 2, is characterized in that, it is identical and be the first baffle plate and the second baffle of L-type that described fixture comprises size, wherein,
One end of described first baffle plate is connected with described first substrate, and the other end of described first baffle plate is towards described second substrate;
Described second baffle and described first baffle plate each other mirror image are arranged, and one end of described second baffle is connected with described second substrate.
4. the light guide plate according to any one in claims 1 to 3, is characterized in that,
Described first substrate is that described light guide base plate is formed after described first border bending; And/or,
Described second substrate is that described light guide base plate is formed after described the second boundary bending.
5. light guide plate according to claim 1, is characterized in that, described light guide base plate, described first substrate and described second substrate are made by optical material.
6. a backlight arrangement, it is characterized in that, comprise the light guide plate according to any one of claim 1 to 5, with as described in the illuminating module that arranges with layer of the light guide base plate of light guide plate and with as described in light guide plate and as described in the illuminating module bottom reflection sheet of all fitting; Wherein,
The groove of described light guide plate is for installing blooming piece, anti-dazzling screen and diffusion sheet.
7. backlight arrangement according to claim 6, it is characterized in that, described bottom reflection sheet comprises: first reflector plate of all fitting with the lower surface of described light guide plate and the lower surface of described illuminating module, and at least one second reflector plate be connected with the Arbitrary Boundaries line of described first reflector plate;
Wherein, described second reflector plate, by glue-line, is fitted with the first substrate of described light guide plate or the outside of second substrate, for reflecting the light source of described first substrate or the loss of described second substrate.
8. backlight arrangement according to claim 7, is characterized in that, described second reflector plate is that described first reflector plate is formed after described Arbitrary Boundaries line bending.
9. a display unit, is characterized in that, comprises the backlight arrangement according to any one of claim 6 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520271695.7U CN204593251U (en) | 2015-04-29 | 2015-04-29 | A kind of light guide plate, backlight arrangement and display unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520271695.7U CN204593251U (en) | 2015-04-29 | 2015-04-29 | A kind of light guide plate, backlight arrangement and display unit |
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| CN204593251U true CN204593251U (en) | 2015-08-26 |
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| CN201520271695.7U Active CN204593251U (en) | 2015-04-29 | 2015-04-29 | A kind of light guide plate, backlight arrangement and display unit |
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